| 单词 | aromatic hydrocarbon |
| 例句 | Look at the longer wavelength version to examine the sculpted green clouds of gas that contain polycyclic aromatic hydrocarbons. James Webb telescope makes 'JuMBO' discovery of planet-like objects in Orion 2023-10-02T04:00:00Z Chemicals like benzene, lead, asbestos and polycyclic aromatic hydrocarbons, or PAHs, are common in ash, runoff and sometimes water systems after fires. After Maui fires, human health risks linger in the air, water and even surviving buildings 2023-08-14T04:00:00Z For example, some species of fungi can be used to break down diesel oil and polycyclic aromatic hydrocarbons. Concepts of Biology 2013-04-25T00:00:00Z And the cancer risk related to polycyclic aromatic hydrocarbons, found in fossil fuels is about two times what’s legally permitted, according to the report. Gas Works Park enters new phase of cleanup: Shoreline and lake bed to be dredged, capped 2022-11-12T05:00:00Z In some amines, the nitrogen atom replaces a carbon atom in an aromatic hydrocarbon. Chemistry 2019-02-14T00:00:00Z Another type of hydrocarbon, aromatic hydrocarbons, consists of closed rings of carbon atoms. Biology for AP Courses 2022-06-09T00:00:00Z The utility said in a news release it found “very low levels” of the chemical, polycyclic aromatic hydrocarbons. Honolulu utility finds chemical in Red Hill monitoring well 2022-08-04T04:00:00Z And in the mid-infrared, when space itself looks afire because of glowing molecules called polycyclic aromatic hydrocarbons that are produced by aging stars, colors again get wonky. The Lonely Work of Picking the Universe’s Best Astronomy Pictures 2022-07-12T04:00:00Z A view of the Southern Ring nebula, the remains of an exploded star, revealed hints of complex carbon molecules known as polycyclic aromatic hydrocarbons, or PAHs, floating in the midst. Webb Telescope Raises Curtain on a New, Ancient Universe 2022-07-12T04:00:00Z That's because wood smoke is generally composed of smaller particles that can worm their way into human cells, and it contains things like "polycyclic aromatic hydrocarbons" and "aldehydes," which trigger inflammation and damaging oxidation. Wildfire smoke claims more than 33,000 lives each year, new study finds 2021-09-14T04:00:00Z Another area on the site was used as a landfill for polycyclic aromatic hydrocarbons, sulfuric acid, soda ash, wool oil, plasticizers, and pesticides. Below aging U.S. dams, a potential toxic calamity 2021-06-12T04:00:00Z But some researchers fear scrubber water, which includes toxic metals such as copper and carcinogenic compounds called polycyclic aromatic hydrocarbons, poses a rapidly growing threat, and they want to see such systems outlawed. Shipping rule cleans the air but dirties the water 2021-05-13T04:00:00Z And even before nanowire bacteria were shown to be electric, they showed promise for decontaminating nuclear waste sites and aquifers contaminated with aromatic hydrocarbons such as benzene or naphthalene. ‘Electric mud’ teems with new, mysterious bacteria 2020-08-19T04:00:00Z Sealants containing polycyclic aromatic hydrocarbon levels higher than 0.1 percent are banned in the county, the first jurisdiction in Maryland to do so. Virginia’s new laws on LGBT rights, guns and abortion reflect state’s political makeover. 2020-06-29T04:00:00Z Scientists in Nanjing, China, are finding ways to degrade toxic chemicals known as polycyclic aromatic hydrocarbons from industrial sites, using plants in the clover and sunflower family and their respective bacterial pairings. Superfund, Meet Super Plants 2020-04-07T04:00:00Z Based on one result, my elevated polycyclic aromatic hydrocarbons, I decide to get a big fan and open the window when I cook over my stove. Is modern life poisoning me? I took the tests to find out 2019-05-22T04:00:00Z These compounds, called polycyclic aromatic hydrocarbons and heterocyclic amines, get generated when food, especially meat, is cooked on a grill. 10 Ways to Lower the Cancer Risk of Grilling 2019-06-27T04:00:00Z The sediment is contaminated with polycyclic aromatic hydrocarbons from coal tar and petroleum products. Meeting to focus on sediment cleanup from river channel 2018-03-27T04:00:00Z But researchers said many of the components of fine particulate matter, such as heavy metals and polycyclic aromatic hydrocarbons, have been linked to sperm damage in previous experimental studies. Air pollution linked to poor sperm quality 2017-11-22T05:00:00Z E-cigarettes are theoretically safer than cigarettes because they don’t burn tobacco, which produces a noxious mixture of toxic and cancer-causing substances, such as polycyclic aromatic hydrocarbons, aldehydes, and heavy metals like cadmium and arsenic. Vaping companies are using the same old tricks as Big Tobacco 2017-11-16T05:00:00Z The settlement follows a complaint that the three companies are liable for discharges of polycyclic aromatic hydrocarbons at the site during the first half of the 20th century, the statement said. Honeywell, Domtar in $8.2 million settlement over U.S. Superfund site 2017-06-29T04:00:00Z The goal of the cleanup is to rid the harbor of polycyclic aromatic hydrocarbons, volatile organic compounds, oil and tar. Project begins to clean pollution from Wisconsin harbor 2017-06-04T04:00:00Z He was fearless and careful, a good fit for his hazardous job fitting and repairing pipes carrying lethal chemicals such as ethylene dichloride, mercury, lead, chromium, polycyclic aromatic hydrocarbons, and dioxins. How the ‘Great Paradox’ of American politics holds the secret to Trump’s success | Arlie Hochschild 2016-09-07T04:00:00Z People working around toxins called polycystic aromatic hydrocarbons were at heightened risk, the study found. Risk of Bladder Cancer Rising for Workers in Many Industries 2015-10-08T04:00:00Z City Utilities spokesman Joel Alexander said testing earlier this year detected petroleum hydrocarbons, polycyclic aromatic hydrocarbons, metals and volatile organic compounds. Utility to clean contaminated site in downtown Springfield 2015-08-31T04:00:00Z There is another risk from meat fat which is especially prevalent during barbecue season: dripping fat creates carcinogens called “heterocyclic amines” and “polycyclic aromatic hydrocarbons,” health experts warn. 7 lies about red meat the food industry wants you to believe 2015-06-19T04:00:00Z Researchers studied exposure to polycyclic aromatic hydrocarbons, or PAHs, a form of pollution caused by burning gasoline, diesel fuel, home heating oil and coal. Air Pollution Takes Early Toll on Children 2015-04-02T04:00:00Z The fish were sent to laboratories in Billings and Wisconsin, which tested the edible muscle tissue as well as internal organs for polycyclic aromatic hydrocarbons. Petroleum found in some fish near oil spill into Yellowstone 2015-02-21T05:00:00Z The researchers measured levels of a common pollutant called polycyclic aromatic hydrocarbons or PAHs in maternal and cord blood shortly after delivery and in the children's urine at age 3 or 5. Study: Children exposed to high levels of pollution five times more likely to have ADHD Polycyclic aromatic hydrocarbons are chemicals formed during the incomplete burning of coal, oil, gas, wood, garbage or other organic substances, according to the U.S. ADHD Linked to Expectant Moms' Smog Exposure 2014-11-05T05:00:00Z There is a bit of good news for reforming smokers, as E-Cigarettes contain virtually no detectable polycyclic aromatic hydrocarbons, which are known to cause cancer. The Health Claims Of E-Cigarettes Are Going Up In Smoke 2014-08-31T04:00:00Z A component of gasoline, benzene is an aromatic hydrocarbon – a carcinogen that readily enters the body. The U.S. Department of Defence Is One of the World's Biggest Polluters A component of gasoline, benzene is an aromatic hydrocarbon. Camp Lejeune and the U.S. Military's Polluted Legacy When it’s added to polycyclic aromatic hydrocarbons, it seems to enhance their carcinogenic power. Backyard barbecue: The chemistry of why your meat browns on the grill, or not. They include polycyclic aromatic hydrocarbons and other molecules found in biological material. Ancient life 'frozen' by space impact 2014-04-18T01:54:53Z After cooking, they analyzed the chops for polycyclic aromatic hydrocarbons, or PAHs, which are found in smoked and grilled meats, and may up your risk of cancer. Beer Marinade Cuts Grilling Carcinogens 2014-04-04T15:45:00Z Other research published last month in the journal Science concluded that the changes in heartbeats and development were linked to oil components called polycyclic aromatic hydrocarbons. Fish Embryos Exposed to Oil From BP Spill Develop Deformities, a Study Finds 2014-03-25T00:29:39Z Like other aromatic hydrocarbons, benzene is a carcinogen that readily enters the body. Camp Lejeune and the U.S. Military's Polluted Legacy Does the average motorist ever stop to consider the pollution they exhaust into the cyclists lungs, including carbon monoxide, sulphur oxides, and hydrocarbons, including carcinogenic polycyclic aromatic hydrocarbons? Is there any such thing as 'road tax'? 2013-08-15T00:45:30Z Consider the quintessential prototype aromatic hydrocarbon, benzene, drawn with its alternating double bonds. Truth and beauty in chemistry 2013-01-25T00:15:10.973Z At issue are so-called polycyclic aromatic hydrocarbons with names like benzene and xylenes, among others, many of which are known to cause cancer and other health effects in and people. Oil Sands Raise Levels of Cancer-Causing Compounds in Regional Waters 2013-01-08T17:45:00.213Z The higher the concentrations of polycyclic aromatic hydrocarbons, the more severe the deformities, it found. Fish Embryos Exposed to Oil From BP Spill Develop Deformities, a Study Finds 2014-03-25T00:29:39Z Layers of the sediment were tested for deposits of polycyclic aromatic hydrocarbons, or PAHs, groups of chemicals associated with oil that in many cases have been found to cause cancer in humans after long-term exposure. Oil Sand Industry in Canada Tied to Higher Carcinogen Level 2013-01-07T22:58:33Z “Dust, debris, and fumes from the WTC contained known and suspected carcinogens, including polycyclic aromatic hydrocarbons, asbestos, benzene, and dioxins,” the researchers write in their article published in the Journal of the American Medical Association. Study: Potential Increased Risk of Cancer Among 9/11 Rescue Workers 2012-12-30T05:05:23Z These aromatic hydrocarbons can then be blended to yield a fuel that can be used in high-performance cars, for instance, as these require a high percentage of toluene. Fuel options: The ideal biofuel 2011-06-22T21:50:40.910Z The oil itself sports an array of so-called polycyclic aromatic hydrocarbons—benzene, toluene and the like, which are known to cause cancer. How Did the BP Oil Spill Affect Gulf Coast Wildlife? [Slide Show] 2011-04-20T16:45:05.277Z The most prevalent pollutant in the canal, officials said Wednesday, is a group of chemicals known as P.A.H.’s, for polycyclic aromatic hydrocarbons, another suspected carcinogen. Gowanus Canal Inquiry Underlines Severity of Pollution 2011-02-02T18:45:54Z In addition to functioning as a solvent, the aromatic hydrocarbon toluene is a raw material for synthesis of a variety of pharmaceuticals, cosmetics, and agrichemicals. This Week in Science 2011-01-13T19:25:00.650Z "We investigated whether compounds found in meat, formed either during the meat cooking process -- heterocyclic amines or polycyclic aromatic hydrocarbons -- or during meat preservation -- nitrates and nitrites -- were associated with bladder cancer." Chemicals in meat may be linked to bladder cancer 2010-08-02T18:31:00Z Of these, polycyclic aromatic hydrocarbons typically are of greatest concern with regard to health effects. Who's making sure Gulf seafood safe to eat? 2010-06-30T12:21:00Z Mainly they are looking for a chemical called a polycyclic aromatic hydrocarbon, which is a leading indicator of oil contamination. How Much Has Spilled, and How Far? Seeking Answers as Questions Mount 2010-06-26T01:52:00Z One of the studies also addressed polycyclic aromatic hydrocarbons, or PAHs – the often-toxic compounds formed from incomplete combustion of fossil fuels, as well as from burning or decay of forests or other biomass. Studies Confirm Presence, Severity of Pollution in National Parks 2010-06-25T14:34:00Z Recent studies indicate that stormwater run off from roads carries toxic polycyclic aromatic hydrocarbons from truck and car exhausts, as well as heavy metals such as lead and zinc into waterways. Asia's silent victims of pollution and emissions 2010-06-10T09:00:00Z Similarly, no link was made between bladder cancer and the consumption of heterocyclic amines, polycyclic aromatic hydrocarbons, or total nitrites or nitrates from processed meat. Chemicals in meat may be linked to bladder cancer 2010-08-02T18:31:00Z Crude oil contains dangerous chemicals, including ones such as benzene that are known to cause cancer in humans, and others that are toxic to the central nervous system, such as polycyclic aromatic hydrocarbons. Ailments of cleanup workers renew worries of oil hazards 2010-06-06T01:37:00Z "Occupational exposure to acrylic and nylon fibers, and to polycyclic aromatic hydrocarbons may increase the risk of developing postmenopausal breast cancer," they wrote. Study links chemical exposure to breast cancer 2010-03-31T23:14:00Z The fakes also produced much less carbon monoxide, benzene, formaldehyde and polycyclic aromatic hydrocarbons. 2010-01-05T05:00:00Z This is made by the action of concentrated sulfuric acid upon a solution of oleic acid or stearic acid in an aromatic hydrocarbon. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. This tar contains very little aromatic hydrocarbons, and the phenols are of quite a different character from those obtained in the working of gas-tar. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5 "Clervaux" to "Cockade" |
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