| 单词 | halogen |
| 例句 | This was a modern room with a curving steel desk near the center, carefully positioned halogen lights, and a spiral staircase leading down from a perfect circle cut in the ceiling about fifteen feet high. Stormbreaker 2000-09-04T00:00:00Z As the broiling sun set, a different kind of American landscape lit up: The halogen floodlights from the truck stop could be seen for miles. Geeks: How Two Lost Boys Rode the Internet Out of Idaho 2000-01-01T00:00:00Z The halogen bulbs were still installed, but the wires had come loose during Artemis’s investigations. Artemis Fowl 2001-04-26T00:00:00Z Luke held the door, and they both squinted into the bright halogen of the store. We'll Fly Away 2018-05-08T00:00:00Z The danger bathed the world in a halogen glow that caused everything—the sweep of the rock, the orange and yellow lichens, the texture of the clouds—to stand out in brilliant relief. Into the Wild 1996-01-01T00:00:00Z Surest Ltd planned to use the website for an "innovative range of small halogen lights inspired by the form of flower buds". Bud Light wins dispute against UK company registering 'budlight' domain name for light bulb site 2018-10-02T04:00:00Z Santalla created the illusion of more space with ceilings that appear to hover in places through suspended “clouds” — sections of drywall incorporating halogen spotlights painted white in contrast to the dark surfaces above them. One couple’s purple house full of eBay finds and sleek condo full of almost nothing 2016-06-21T04:00:00Z This show, with its blinding halogen lights, glitchy music, and circuitous, sometimes incomprehensible narrative, does not want you to be too comfortable. Nora Chipaumire Makes Darkness Visible 2016-10-09T04:00:00Z “With some of the halogen lights directed into one area of the painting, it’s actually gradually burning away at the materials,” says Mishaan. Five Tips for Lighting Art 2015-02-23T05:00:00Z But then I have spent the past six months, since the premature release of the Dobbs decision, feeling rage emanate off women like heat from an halogen bulb. Perspective | It was a wave election. The wave was women defending abortion rights. 2022-11-09T05:00:00Z Quartz halogen lights are the most commonly used, but see Choosing the best video lighting kit for a short introduction to the topic. Wanted: a cheap compact camera for shooting slow-motion videos 2013-01-10T15:03:05Z At the Broad, the LED lighting cost three times as much as less efficient halogen lights. Art Museums Seek a Green Palette 2016-03-15T04:00:00Z The entire film, Escalante says, was shot against a green screen in a room about 200 square feet, lit by low-cost halogen lights. Polish Canadian piano prodigy is poised to rack up frequent-flier miles 2015-03-18T04:00:00Z On the menu are coffee-infused cocktails, and, from the “slow bar,” coffee brewed siphon-style in glass pots heated by glowing red halogen lights. With new options for food, wine and walks on the Columbia, the Vancouver waterfront is buzzing 2022-04-08T04:00:00Z The restaurant is an airy, indoor room beside a bar lighted by halogen bulbs hanging from ships’ rope. A Maine Inn With a Storied Past Gets a Modern Makeover 2016-05-06T04:00:00Z Stood among these are glowing halogen lights with colour-changing bulbs, between which the dancers move to Ian Andrews's "Libidinal Decay" with frantic but obscure purpose, occasionally giving vent to vocal squeaks and growls. Nederlands Dans Theater; Counterpoint; Slow Dancing 2010-07-10T23:05:00Z Experts suggest wrapping both incandescent and halogen bulbs in padding such as newspaper in case they shatter. Perspective | How to get rid of old batteries, bubble wrap, lightbulbs and other household clutter 2021-07-05T04:00:00Z The band’s experimental live performances were notoriously loud, physical “sonic assaults,” sometimes featuring halogen lamps or mirrors facing the audience. The Reinventions of Genesis Breyer P-Orridge 2016-06-29T04:00:00Z Once the sky turns pink and the sun sets, the street descends into shadow, save for the faintest glow from halogen lamp posts. In a Tokyo neighborhood's last sushi restaurant, a sense of loss 2018-12-21T05:00:00Z "Whistler's Mother," for example, is lighted by three quartz halogen bulbs that don't exceed an intensity of 200 lux and possess UV filters. At Norton Simon, a delicate 'Tete-a-Tete' with Whistler, other masters 2015-03-27T04:00:00Z But suppose you discard — or give away — your halogen and incandescent bulbs. Prepare to flick off your incandescent bulbs for good under new US rules that kicked in this week 2023-08-02T04:00:00Z But most if not all other incandescents will struggle to meet the new efficiency standards, and the same goes for a more recent generation of halogen lights. It’s Official: Stores Can No Longer Sell Most Incandescent Lights 2023-08-01T04:00:00Z Zeferino Garcia and a crew of eight men had been working under automobile high beams and halogen lights since 3 a.m. For this Oaxacan merchant, marigolds mean more than ever this Día de Muertos 2022-11-02T04:00:00Z The family recently replaced halogen bulbs around the home with more energy-efficient LED ones. Turtlenecks, shared showers and wetsuits for indoor pools: Europe grapples with energy crisis 2022-10-31T04:00:00Z The clever design incorporated two counterweights and a swivel base, which allowed it to direct light in any direction, plus a halogen bulb whose previous application had mostly been limited to industrial use. In Brooklyn, a New Gathering Space for Tower Records 2022-10-27T04:00:00Z Experts say LEDs use up to 75 percent less energy than incandescent sources and last up to 25 times as long as incandescent and halogen light sources. Nick Holonyak Jr., who made an LED breakthrough, dies at 93 2022-09-21T04:00:00Z Trends in observed melting and boiling points for the halogens clearly demonstrate this effect, as seen in Table 10.1. Chemistry 2019-02-14T00:00:00Z Whether the heating element is a halogen bulb, solid chunk of metal or electric coil, radiant cooktops radiate — hence the name. Looking for a new stove? Step off the gas and go electric | Produced by Seattle Times Marketing 2022-08-16T04:00:00Z The halides are so named because the anions include the halogen elements chlorine, fluorine, bromine, etc. Physical Geology 2015-01-01T00:00:00Z They set up five HD cameras and halogen lights around the field, as well as added sound effects that mimicked the noise from a real crowd. Indian farmers streamed fake pro cricket matches to Russian bettors for two weeks 2022-07-11T04:00:00Z Supplies of kerosene are also being sent to Silchar and halogen torches and candles are being distributed to those without power. Large parts of northeastern India still underwater after record rains 2022-06-27T04:00:00Z The changes in state as one moves down the halogen family offer excellent examples of the increasing strength of intermolecular London forces with increasing molecular mass and increasing polarizability. Chemistry 2019-02-14T00:00:00Z Cooktops that use halogen bulbs create a well-defined red light that tells you if the burner is on — a nice, built-in safety feature. Looking for a new stove? Step off the gas and go electric | Produced by Seattle Times Marketing 2022-08-16T04:00:00Z This will eventually prohibit most incandescent and halogen lightbulbs and shift the country toward compact fluorescent and LED bulbs. Trump saved this old-fashioned lightbulb. Biden’s now phasing it out. 2022-04-26T04:00:00Z In 2020, about 30% of light bulbs sold in the United States were incandescent or halogen incandescent bulbs, according to industry groups. Light bulb rule ensures brighter future, energy chief says 2022-04-26T04:00:00Z She sits in her kitchen with a halogen heater and if she's feeling particularly cold, puts a hot water bottle at her back. Cost of living crisis: Older people hit by heating price increases 2022-04-26T04:00:00Z The halogens form diatomic molecules in which each atom is involved in only one bond. Chemistry 2019-02-14T00:00:00Z A second phase of the lighting efficiency rules was scheduled to go into effect in 2020, which would have eliminated virtually all incandescent bulbs, including the recent generation of halogens, from store shelves. Old-fashioned, inefficient light bulbs live on at the nation’s dollar stores 2022-01-23T05:00:00Z Although sales of LED bulbs have grown rapidly, the most recent sales data shows that incandescent or halogen bulbs still made up about 30 percent of the market in 2020. Trump saved this old-fashioned lightbulb. Biden’s now phasing it out. 2022-04-26T04:00:00Z After a while, "the fire service turned the machinery and a big halogen lamp off and started to walk away", she said. Mums win police apology from police over fatal crash scene response 2022-01-11T05:00:00Z Scuba divers collected samples of the microbial mats and in the lab, Klatt tracked the amount of oxygen they released under various day lengths simulated with halogen lamps. ‘Totally new’ idea suggests longer days on early Earth set stage for complex life 2021-08-02T04:00:00Z This provides the electron required necessary to complete the octet on the halogen atom. Chemistry 2019-02-14T00:00:00Z Sales of halogen lightbulbs are to be banned in the UK from September, with fluorescent lights to follow, under government climate change plans. Halogen lightbulb sales to be banned in UK under climate change plans 2021-06-08T04:00:00Z In many places, west-facing windows reflected afternoon sunlight with a fierce brilliance reminiscent of halogen headlights. There’s a full moon — the snow moon — but with clouds, it’s no moon 2021-02-27T05:00:00Z More than 2,000 members of the military, paramilitary groups and police were taking part in the search-and-rescue operation, including soldiers expert in mountaineering, working into the night under bright halogen lights, authorities said. Rescuers search for 170 missing after Indian glacier causes devastating flood 2021-02-07T05:00:00Z It wasn’t clear what caused the fire, although Lance said he used halogen workshop lights when he visited the garage earlier. Military collection up in flames, but it’s being rebuilt 2020-11-01T04:00:00Z Interhalogen molecules consist of one atom of the heavier halogen bonded by single bonds to an odd number of atoms of the lighter halogen. Chemistry 2019-02-14T00:00:00Z Now retailers will no longer be able to sell most remaining halogen bulbs, such as kitchen spotlights. Halogen lightbulb sales to be banned in UK under climate change plans 2021-06-08T04:00:00Z Chlorine was the first halogen discovered, and is still the most abundant and easiest to isolate. Halogen nightmares 2020-09-01T04:00:00Z The nightly lighting ceremony is powerful theater, as the large halogen lights warm and then illuminate the carved images of Washington, Jefferson, Lincoln and Roosevelt. Trump abuses our national parks, and he's doing it again at Mount Rushmore | Jonathan B Jarvis and Gary Machlis 2020-07-03T04:00:00Z Those devices include: cordless phones, baby monitors, halogen lamps, dimmer switches, stereos and computer speakers, TVs and monitors. 'Avoid using the microwave to get faster internet' 2020-03-24T04:00:00Z A 7+-oxidation state is the limit for the halogens. Chemistry 2019-02-14T00:00:00Z LED lights last five times longer than traditional halogen bulbs and produce the same amount of light, but use up to 80% less power. Halogen lightbulb sales to be banned in UK under climate change plans 2021-06-08T04:00:00Z Iodine is a solid, and is also the heaviest stable halogen. Halogen nightmares 2020-09-01T04:00:00Z Afterwards he takes a taxi to a local Screwfix shop to buy electrical cable, halogen bulbs and rolls of tape before returning to his flat at 8.04pm. Jury shown footage of Manchester Arena bomber visiting venue 2020-02-24T05:00:00Z It was a risky move, considering cheaper CFL and halogen bulbs were far more popular. Ikea 2.0: inside the furniture giant’s big bet on the smart home 2019-12-18T05:00:00Z Interhalogens form by the combination of two or more different halogens. Chemistry 2019-02-14T00:00:00Z Night exteriors used the same HMIs while night interiors, like the heightened dinner scenes or drunken escapades, were lit based on the lantern’s glow, which was outfitted with a 500-watt halogen bulb. Atmosphere infuses the 'particularly photographic' black-and-white 'Lighthouse' 2019-11-12T05:00:00Z And that led me to the question: which halogen is associated with which brand of horror? Halogen nightmares 2020-09-01T04:00:00Z This dining room is very similar to the old one: café chairs, marble tables, and ruddy leather banquettes; white subway tiles and tin ceilings; distressed mirrors glowing in the halogen light. At the Rebooted Pastis, Stick with the Classics 2019-09-13T04:00:00Z As part of that process, the oldest incandescent technology had already disappeared from standard pear-shaped bulbs by 2014 in favor of “halogen incandescents,” which look the same but use less power. White House to Relax Energy Efficiency Rules for Light Bulbs 2019-09-04T04:00:00Z These elements react with halogens to form a variety of halides ranging in oxidation state from 1+ to 6+. Chemistry 2019-02-14T00:00:00Z An inquest at Derby Coroner's Court heard the fire started when the heat from a halogen bulb set a lamp shade alight. How dangerous are halogen light bulbs? 2019-04-16T04:00:00Z Derby Coroners' Court was told the heat from a halogen bulb caused the lamp shade to catch fire on 26 October. Boy, 6, dies in bedside lamp house fire 2019-04-15T04:00:00Z That means all basic incandescent bulbs, including the recent generation of halogens, would be eliminated from store shelves on Jan. 1. America’s Light Bulb Revolution 2019-03-08T05:00:00Z In 2007, Congress passed legislation to phase out inefficient incandescent and halogen bulbs. White House to Relax Energy Efficiency Rules for Light Bulbs 2019-09-04T04:00:00Z The other halogens may not form analogous compounds. Chemistry 2019-02-14T00:00:00Z However, he expressed concerns halogen bulbs were still widely available to buy. How dangerous are halogen light bulbs? 2019-04-16T04:00:00Z Harsh halogen lights bathed Disneyland’s Main Street U.S.A. in the dark early-morning hours as the backup beeps of aerial lifts and heavy-metal cranes mixed with the thundering sound of their revving diesel engines. Turning Disneyland into a winter wonderland takes more than pixie dust - Los Angeles Times 2018-11-10T05:00:00Z Xenon lights are brighter and last longer than traditional halogen bulbs. What’s new _ and what’s missing _ in your next new car 2018-10-10T04:00:00Z Very few of us continue to scour our front step with a donkey stone; alarm clocks, paper maps, camcorders - and the recently-banned halogen bulb - could soon be just as irrelevant. Which household items should make a comeback? 2018-09-07T04:00:00Z In this section, we will examine the occurrence, preparation, and properties of halogens. Chemistry 2019-02-14T00:00:00Z The best place to check is the box but failing that, halogen bulbs are distinguished by their bulb-within-a-bulb appearance. How dangerous are halogen light bulbs? 2019-04-16T04:00:00Z After nearly 60 years of brightening our homes and streets, halogen lightbulbs will finally be banned across Europe on 1 September. Europe to ban halogen lightbulbs 2018-08-23T04:00:00Z CFCs are molecules made up of carbon atoms linked to chlorine and fluorine atoms, halogen elements that render the molecule volatile but particularly nonreactive, Ferry told Live Science. Earth's Ozone Layer is Under Attack--Again 2018-05-22T04:00:00Z But how do you choose when faced with a mind-bending array of standard incandescent bulbs, florescent tubes, compact florescent swirls, halogen pucks and LEDs that mimic them all? What to look for when buying light bulbs 2018-04-05T04:00:00Z Next, we will examine halogen compounds with the representative metals followed by an examination of the interhalogens. Chemistry 2019-02-14T00:00:00Z WHY: The halogen light bulbs can shatter while in use in a lamp or light fixture, posing laceration and fire hazards to consumers. Recalls this week: electric blankets, halogen light bulbs 2018-03-30T04:00:00Z LEDs consume five times less energy than halogen bulbs and their phase-out will prevent more than 15m tonnes of carbon emissions a year, an amount equal to Portugal’s annual electricity usage. Europe to ban halogen lightbulbs 2018-08-23T04:00:00Z Goles, G. G. & Greenland, P. L. Estimates of primordial halogen abundance ratios from studies of chondritic meteorites. Halogens in chondritic meteorites and terrestrial accretion 2017-11-28T05:00:00Z The Colombian surgeon told her the substance was “halogen,” but authorities believe that she misheard him and that the substance was probably hydrogel, a liquid silicone. A woman got 'lamb fat' injected into her buttocks; now she needs major reconstructive surgery 2017-06-28T04:00:00Z The easier it is to oxidize the halide ion, the more difficult it is for the halogen to act as an oxidizing agent. Chemistry 2019-02-14T00:00:00Z “It’s tens of thousands per leg, but there’s always the odd stuff, too: a tire, a net, a Styrofoam cooler, a halogen light. Everything you see on land seems to end up in there.” Round-the-World Boat Race Doubles as a Pulpit for Environmental Causes 2017-03-21T04:00:00Z Philips, the lighting manufacturer estimates consumer savings of up to £112 a year from the switchover because LEDs last much longer than halogens and use far less power. Europe to ban halogen lightbulbs 2018-08-23T04:00:00Z Burgess, R., Layzelle, E., Turner, G. & Harris, J. W. Constraints on the age and halogen composition of mantle fluids in Siberian coated diamonds. Halogens in chondritic meteorites and terrestrial accretion 2017-11-28T05:00:00Z Cup always shone brighter than everything else; now, it is lost amid the endless halogen glare. Changing Dynamics for England’s Elite Devalue ‘the Double’ 2017-03-13T04:00:00Z Fluorine generally oxidizes an element to its highest oxidation state, whereas the heavier halogens may not. Chemistry 2019-02-14T00:00:00Z Already, BMW stopped offering the poorly rated halogen lamps on its 3 Series sedans; as a result, the car was designated a Top Safety Pick Plus. Headlights Get New Attention as More Than a Car Design Flourish 2017-02-16T05:00:00Z At present, halogen bulbs are often individually cheaper than LEDs but extrapolating cost savings from that is “a false economy” according to Stewart Muir, a product manager at the Energy Savings Trust. Europe to ban halogen lightbulbs 2018-08-23T04:00:00Z Our results demonstrate that the halogen depletion of bulk silicate Earth relative to primitive meteorites is consistent with the depletion of lithophile elements of similar volatility. Halogens in chondritic meteorites and terrestrial accretion 2017-11-28T05:00:00Z I could see him standing silhouetted against the halogen cast. One Night in Gear Heaven - Golf Digest 2017-02-06T05:00:00Z Compared with the other halogens, iodine reacts only slightly with water. Chemistry 2019-02-14T00:00:00Z Dozens of presidential portraits hang in the bright halogen wattage of the National Portrait Gallery; 42 grace the White House. How presidents use their portraits to shape their legacy 2017-01-17T05:00:00Z “A halogen bulb may be cheaper to buy in the first place but the electricity costs will be much more expensive, whereas an LED bulb will pay for itself within a year.” Europe to ban halogen lightbulbs 2018-08-23T04:00:00Z Determination of halogen abundances in terrestrial and extraterrestrial samples by the analysis of noble gases produced by neutron irradiation. Halogens in chondritic meteorites and terrestrial accretion 2017-11-28T05:00:00Z For the features on the RTS add halogen fog lights, remote engine start, pockets on the seatbacks and a remote system. 2017 Honda Ridgeline is smooth, easy 2016-08-05T04:00:00Z The binary compounds of a metal with the halogens are the halides. Chemistry 2019-02-14T00:00:00Z A mineral in the halogen family, iodine is a relatively rare element and is found in few places around the world. Oklahoma’s hidden resource 2016-07-17T04:00:00Z But based on 2016 models, the best RAV4 headlights, which are halogens, are still only “marginal,” according to ratings published this week by the Insurance Institute for Highway Safety. Road Seems Dark to You? New Tests Blame Your Headlights 2016-07-14T04:00:00Z This indicates that the depletion of halogens relative to primitive meteorites is consistent with lithophile elements of similar volatility. Halogens in chondritic meteorites and terrestrial accretion 2017-11-28T05:00:00Z Philips Lighting, which produces LED, halogen and fluorescent lamps, as well as electronic components and customised lighting systems, accounts for about a third of Philips' sales. Philips to launch sale of shares in lighting division - BBC News 2016-05-16T04:00:00Z For example, they oxidize in air upon heating and react with elemental halogens to form halides. Chemistry 2019-02-14T00:00:00Z Both types of lightbulbs that were developed in response to the 2007 law — halogen incandescents and LEDs — look as good and perform as well or better than the old incandescent bulbs. The U.S. made the right call on lightbulbs 2016-04-08T04:00:00Z First indicative bids for the Lamps business - which consists of older technology such as incandescent, fluorescent and halogen lighting - were expected last month. Osram's CEO clashes with Siemens over LED strategy 2016-02-16T05:00:00Z They conclude that the observed terrestrial halogen inventories cannot be explained by late accretion alone, but also require the efficient extraction of halogen-rich fluids from the solid Earth during the earliest stages of its formation. Halogens in chondritic meteorites and terrestrial accretion 2017-11-28T05:00:00Z Other types, such as halogen and linear fluorescent bulbs, make up the rest. An Unloved Light Bulb Shows Signs of Burning Out The metals of group 13 all react directly with nonmetals such as sulfur, phosphorus, and the halogens, forming binary compounds. Chemistry 2019-02-14T00:00:00Z But GE will continue to sell its many other types of bulbs, like incandescent and halogen — the only technology it's phasing out is CFL. GE is phasing out CFL bulbs so that LED can take off 2016-02-01T05:00:00Z Mr. Sapper influenced not only form but also function with another design, his linear Tizio desk lamp, which helped introduce the halogen bulb in 1972. Richard Sapper, Designer of Sleek Housewares, Dies at 83 2016-01-05T05:00:00Z Peer through the ground-floor windows and you see halogen lights illuminating the bright white stones being worked by hand. Hard faces 2015-12-03T05:00:00Z Ace Hardware emphasizes LEDs over CFLs and halogen bulbs on its website. An Unloved Light Bulb Shows Signs of Burning Out For example, halogens add to the double bond in an alkene instead of replacing hydrogen, as occurs in an alkane: Chemistry 2019-02-14T00:00:00Z In Birnbaum’s apartment, soffits were extended from ceilings in the foyer and kitchen to hold small halogen lights. At 50, the iconic Watergate complex acquires some ‘Mad Men’ chic 2015-09-23T04:00:00Z The EU was expected to ban certain halogen bulbs from sale from September 2016 but earlier this year delayed the ban until 2018, saying LED technology would not be ready in time. Ikea to sell only energy-saving LED lightbulbs 2015-08-10T04:00:00Z The task force’s Polarises had been retrofitted with blue halogen lights and a dock for an iPad, which served up requests in a manner similar to Uber. Who Runs the Streets of New Orleans? 2015-07-30T04:00:00Z Blue knob lights on the control panel and halogen lights inside help illuminate grilling at night. High-End, Built-in Barbecues Get Hot 2015-07-22T04:00:00Z Iodine is the least reactive of the halogens. Chemistry 2019-02-14T00:00:00Z As darkness approached, halogen lights illuminated makeshift checkpoints. Manhunt for remaining New York prison escapee intensifies 2015-06-27T04:00:00Z A Dollar Store was opening, but its fluorescent and halogen lights would be intolerable. The town that banned Wi-Fi 2015-06-20T04:00:00Z Specifically, the organization found that halogen headlamps, which are currently included in over 80 percent of new vehicles, may fail to safely light the way on unlit roadways at speeds as sedate as 40 mph. Auto Headlamps Found To Be Dangerously Dim 2015-06-12T04:00:00Z It’s not often that scientists find any halogens in natural products made by terrestrial organisms, he says. Snow Fleas Pack a Chemical Weapon 2015-05-22T04:00:00Z The direct reaction of a metal and a halogen produce the halide of the metal. Chemistry 2019-02-14T00:00:00Z LEDs, or light-emitting diodes, produce more light than conventional halogen bulbs with a faction of the energy. Petite Sophisticate: The Baby Range Rover Evoque Gets More Upscale 2015-02-28T05:00:00Z Numbered were the days of traditional incandescent bulbs; in their stead came waves of electricity-sipping halogens, fluorescents and, most recently, LEDs. The Rise of the Smartbulb 2015-01-21T05:00:00Z LED headlights are part of the Platinum trim level, otherwise it’s halogen headlights with LED DRL and taillights. 2015 Nissan Murano Test Drive And Review: Empty Nester Social Lounge 2014-12-26T05:00:00Z When I started testing other types of LED bulbs in my house, the transition from halogen or incandescent was not as seamless as I expected. Picking the right bulb makes all the difference with LED options 2014-12-18T05:00:00Z Because smaller halogens are grouped about a larger one, the maximum number of smaller atoms possible increases as the radius of the larger atom increases. Chemistry 2019-02-14T00:00:00Z There are many forms of these these pollution busting enzymes, which collectively are called reductive dehalogenases and remove halogen atoms from pollutants. Deep Sea Bugs Inspire New Method Of Destroying Cancer-Causing Pollutants 2014-10-19T04:00:00Z Bromine is one of the halogens - the group of four elements that occupy the penultimate column of the periodic table. Who's afraid of bromine? 2014-09-26T04:00:00Z Moments later he returned with NYU’s list of recommended dorm items, advising us on where to find the extra-long twin sheets, but warning us that candles and halogen lamps are forbidden on NYU’s campus. Back-To-School Lessons From Bed, Bath & Beyond 2014-09-04T04:00:00Z The vaporizer heats up in seconds and uses a 32-megahertz processor, a 300-watt halogen bulb and a temperature sensor to release active compounds in the plant selectively, without creating smoke. Start-Ups Seize Marijuana Opportunities as Big Companies Hold Back 2014-08-06T04:00:00Z The interhalogens react like their component halides; halogen fluorides, for example, are stronger oxidizing agents than are halogen chlorides. Chemistry 2019-02-14T00:00:00Z If there’s not enough light in the apartment, well, “a halogen lamp would brighten the place up in a hurry”. Secrets of New York's realtors: 'All apartments are basically four walls' 2014-07-22T04:00:00Z Being a halogen, bromine atoms are one electron short of a complete outer shell, which makes them highly reactive, readily bonding with other atoms. Who's afraid of bromine? 2014-09-26T04:00:00Z Thompson said he’s also tracked down interference from traditional halogen lamps and even a neighbor’s camcorder. Pot growers’ lights interfering with ham radio 2014-06-14T04:00:00Z And another big improvement is the “Massively improved resistance to ambient infrared light—sunlight, powerful halogens, etc.” Leap Motion Hand Tracking Gets More Realistic To Solve Real World Problems 2014-05-29T04:00:00Z This allows each halogen atom to have a noble gas electron configuration. Chemistry 2019-02-14T00:00:00Z He bought a halogen headlamp at a bike shop and a green filter at a camera store. The MacGyver Cure for Cancer 2014-05-23T04:00:00Z Some fear the mercury in fluorescent bulbs while others aren’t satisfied with the quality of light from halogen. 5 Energy Saving Gadgets That Are Totally Worth It 2014-04-11T17:27:00Z Different types of light bulbs, including incandescent, fluorescent, halogen and LED. Last of incandescent light bulbs are banned 2014-01-02T02:42:00Z Early Claims for Element 85 The position of element 85 in the periodic table shows it to lie among the halogens. A Tale of 7 Elements: Element 85 Astatine [Excerpt] 2013-07-05T14:15:00.623Z The oxides of halogens, at least one of the noble gases, and metals with higher reduction potentials than copper do not form by the direct action of the elements with oxygen. Chemistry 2019-02-14T00:00:00Z Light intensity is changed by moving the beakers different distances from a halogen lamp. [Essay] IBI* Series Winner: Investigating Ecosystems as a Blended Learning Experience 2013-06-27T17:55:41.280Z The light spectrum of the full moon was measured and the temperature and amperage were translated and used in a specially adapted halogen bulb. In Pictures: Light Show 2013-01-30T12:56:51Z One look at the table, and chemists and middle school students alike grasp the way atoms arrange themselves in groups: alkali metals, noble gasses, halogens. Data Visualizations Are More Than Just Pictures 2012-02-22T18:16:56Z Not surprisingly, therefore, the early researchers believed that they would find the element in similar locations to other halogens such as bromine and iodine, namely in the oceans or in sands washed up by oceans. A Tale of 7 Elements: Element 85 Astatine [Excerpt] 2013-07-05T14:15:00.623Z Elemental sulfur oxidizes less electronegative nonmetals, and more electronegative nonmetals, such as oxygen and the halogens, will oxidize it. Chemistry 2019-02-14T00:00:00Z At 1 a.m., well after the writing and editing in The Citizen’s newsroom was done, four young men sat in the pale light of battery-powered halogen lamps inside the printing house next door. In South Sudan, a Rough Start to Press Freedom 2012-01-08T23:14:56Z They would be replaced by compact fluorescent, halogen and light-emitting diode models. Congress Spares Incandescent Bulbs in Victory for U.S. Tea Party 2011-12-17T16:31:22Z While C.F.L.’s use less energy and last longer, halogen lamps will create light that is closer to that from incandescent bulbs. Green Blog: Americans Waking Up to Light Bulb Changeover 2011-11-16T17:00:51Z Moreover, it was fully expected that the new element would behave like a typical halogen to form diatomic molecules and that it would have a low boiling point. A Tale of 7 Elements: Element 85 Astatine [Excerpt] 2013-07-05T14:15:00.623Z This section will conclude with some applications of halogens. Chemistry 2019-02-14T00:00:00Z The Cubs, as Dave van Dyck describes in The Chicago Tribune, are the impossible dream, which prospective conquerers are drawn to like moths to a halogen lamp — and end up similarly fried. Bats: Leading Off: Trading Curses 2011-10-13T14:32:49Z They replaced hanging light fixtures in the kitchen with the original recessed halogen lighting and removed extensive paneling. | Restoring a Vision 2011-08-05T18:10:33Z Prices range from about $1.50 for a halogen incandescent to $20 for light-emitting diode, or LED, bulbs, which are supposed to last 10 years. G.O.P. Bid to Void Light Bulb Law Fails 2011-07-13T01:53:02Z By next year, models such as frosted bulbs and high- energy halogen lights will also be erased. Siemens Plans for Osram IPO Tested by Weaker Growth Outlook 2011-06-29T16:41:56Z It is possible to oxidize the halide ions to free diatomic halogen molecules by various methods, depending on the ease of oxidation of the halide ion. Chemistry 2019-02-14T00:00:00Z With the phaseout, homeowners should initially move to hybrid halogen bulbs, a transitional product that only barely meets the new regulations, and compact fluorescents. Bulb in, Bulb Out 2011-06-03T12:00:41Z Mostly it refers to organohalogens—compounds like DDT that incorporate halogens such as chlorine or bromine into organic molecules—that are naturally nearly nonexistent in mammals. Foam Alone: Do Furniture Flame Retardants Save Enough Lives to Justify Their Environmental Damage? 2011-04-18T11:15:00.223Z The F.D.N.Y. has been a leader in development of new equipment around the nation; with air packs and hose lines and the halogen tool. Fire Department to Replace New Gloves After Six Suffer Hand Burns 2011-02-04T03:05:40Z The labels - which were set to appear in June but will probably be delayed six months at the request of the lighting industry - will apply to conventional incandescent, compact fluorescents, halogen and light-emitting diode bulbs. Lighting switch requires a change in mind-set 2011-01-30T23:29:01Z What is the oxidation state of the halogen in each of the following? Chemistry 2019-02-14T00:00:00Z Halogens, or halogen elements, are non-metal elements such as fluorine, chlorine, bromine and iodine. Air Above Dead Sea Contains Very High Levels of Oxidized Mercury 2010-12-29T15:23:00Z A halogen hob is technology to some people. Comet boss believes less-is-more philosophy will beat Best Buy 2010-11-19T06:59:00Z Think bulbs using light-emitting diodes, or the latest generation of halogen bulbs, or even so-called specialty compact fluorescents. The Charge of California's Light Brigade 2010-09-24T16:19:00Z New halogen bulbs look like the incandescent bulbs people are used to buying. Phasing out the incandescent light bulb 2010-09-08T10:20:00Z But it doesn't matter where you come from; like a halogen lamp on a mosquito farm, poker will attract anyone who wants a buzz. Devilfish: The Life and Times of a Poker Legend by Dave Ulliot 2010-08-27T23:04:00Z The mechanisms involved in the conversion of mercury above the Dead Sea appear similar, however, to those in polar regions: both start with halogens. Air Above Dead Sea Contains Very High Levels of Oxidized Mercury 2010-12-29T15:23:00Z In particular, it contains 4 halogen atoms - 3 fluorine atoms and one chlorine atom - covalently bonded to carbon. Widely Used Pesticides Found to Impair Bee Reproduction 2010-03-08T23:20:00Z They do not possess basic properties; the halogen in the chlorine compounds is readily replaced by oxygen, and the oxides produced behave like basic oxides. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" It is decomposed by the halogen elements and also by sulphuretted hydrogen. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Bismuth combines directly with the halogens, and the elements of the sulphur group. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Because of these double linkages, they are all able to take on oxygen, hydrogen, or the halogen elements, by direct addition. The Chemistry of Plant Life The lignone complex reacts, by its unsaturated groups, with the halogens. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" We may, in fact, consider that the descriptive study of the various halogen compounds dates from about this time. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" In its properties it shows some analogy to the halogen acids, since it forms difficultly soluble lead, silver and mercurous salts. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" The products in question have the characteristics of solid solutions of the halogen. Researches on Cellulose 1895-1900 Action of the halogen elements on potassium hydroxide. An Elementary Study of Chemistry Luckily sorlus is the most plentiful of the halogen groups; we have far more of it than of chlorine, bromine or iodine.” The Black Star Passes Of the halogen compounds of phosphorus, the trichloride was discovered by Gay Lussac and Th�nard, while the pentachloride was obtained by Davy. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" It is necessary in all such cases to deduct from the total an amount of oxygen equivalent to the halogen found, except, of course, where the base has been determined and recorded as metal. A Text-book of Assaying: For the Use of Those Connected with Mines. Then it was just a matter of stringing out the cables for the clip-on halogens whose beams he took care to scatter off the ceilings to keep the glare to a minimum. Someone Comes to Town, Someone Leaves Town The art of photography is based on the fact that the halogen compounds of silver are affected by the light, particularly in the presence of organic matter. An Elementary Study of Chemistry With substances containing halogens, it is advisable to place, after the copper oxide tube, a small washing flask containing potassium iodide solution. Scientific American Supplement, No. 794, March 21, 1891 The halogens may be estimated by ignition with quicklime, or by heating with nitric acid and silver nitrate in a sealed tube. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Compounds containing oxides and fluorides, &c., do not lend themselves to the method of determining the halogen by difference. A Text-book of Assaying: For the Use of Those Connected with Mines. Also the salts of the halogens, such as the chlorides, iodides, bromides, etc., of the metals. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations Compounds of silicon with hydrogen and the halogens. An Elementary Study of Chemistry The mixture is then distilled until the distillate is free from bromoform, halogen being tested for in the usual manner. Nitro-Explosives: A Practical Treatise The abnormal specific heats of the halogen elements may be due to a loosening of the atoms, a preliminary to the dissociation into monatomic molecules which occurs at high temperatures. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Inasmuch, however, as bromine and iodine combine with fluorine, as previously described, these halogens do not escape, but burn up to their respective fluorides. Scientific American Supplement, No. 832, December 12, 1891 The halogen compounds of mercury, we should have mentioned, also sublime, the red iodide giving a yellow sublimate. A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations It burns with dazzling brilliancy in oxygen, and combines directly with many other elements, especially with sulphur and the halogens. An Elementary Study of Chemistry Halogens do not act directly on water, hence we may not properly speak of halogen substitution products. Scientific American Supplement No. 822, October 3, 1891 The halogens may be sometimes detected by fusing with lime, and testing the solution for a bromide, chloride and iodide in the usual way. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" It conducts itself like a member of the halogen group of elements, and shows a tendency to form complex compounds. The Gutenberg Webster's Unabridged Dictionary Section C An important nucleus-synthetic reaction is the saponification of nitriles, which may be obtained by the interaction of potassium cyanide with a halogen substitution derivative or a sulphonic acid. The Project Gutenberg Encyclopedia Volume 1 of 28 Like ammonia it forms salts with the halogen acids. An Elementary Study of Chemistry In order to prepare the halogen substitution products, therefore, use is made of sulphonic chlorides. Synthetic Tannins The process is therefore adapted to the simultaneous estimation of carbon, hydrogen, the halogens and sulphur. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Cl, Br, I, are called halogens or haloids, and exist in compounds—salts—in sea water. An Introduction to Chemical Science The same absorbent quantitatively takes up any halogen and sulphur which may be present. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The compounds of the last three elements of the family are found extensively in sea water, and on this account the name halogens, signifying "producers of sea salt," is sometimes applied to the family. An Elementary Study of Chemistry The determination of the elementary composition of compounds of high molecular weight is greatly facilitated by employing their halogen derivatives; so, for instance, is p iodophenyl maltosazone very suitable. Synthetic Tannins F. Beilstein determines their presence by heating the substance with pure copper oxide on a platinum wire in the Bunsen flame; a green coloration is observed if halogens be present. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" Compounds.—The following are some of the oxides, acids, and salts of the halogens. An Introduction to Chemical Science When any one of the three halogen elements—chlorine, bromine, and iodine—is added to a solution of potassium hydroxide a reaction takes place, the nature of which depends upon the conditions of the experiment. An Elementary Study of Chemistry It combines very readily with the halogen elements, powdered bismuth burning readily in chlorine. An Elementary Study of Chemistry |
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