| 单词 | silver iodide |
| 例句 | It is done by spraying particles of salt - like silver iodide or chloride - on clouds using planes or dispersion devices on the ground. Delhi AQI: Can artificial rain fix toxic air in India's capital? 2023-11-13T05:00:00Z In 1962 the U.S. military started Project Stormfury, an attempt to weaken hurricanes by seeding their clouds with silver iodide particles. It’s Time to Engineer the Sky 2023-09-20T04:00:00Z Each is a two-wheeled trailer containing a tank of silver iodide released by a roaring, propane-fueled flame atop a metal mast. Cloud seeding catching on amid Rocky Mountain drought 2023-04-19T04:00:00Z The process Saudi Aramco patented would seed clouds using silver iodide or other materials and then collect the rainfall in reservoirs it could draw on to boost oil production. Rainmaking Experiments Boom Amid Worsening Drought 2023-02-07T05:00:00Z In collaboration with the U.S. military, Langmuir attempted to seed hurricanes with silver iodide and dry ice—undeterred by the project’s potential to worsen storms, as it appeared to do in 1947. 100 years after his birth, Kurt Vonnegut is more relevant than ever to science 2022-11-10T05:00:00Z States in the compact have been funding efforts to boost snowfall by releasing silver iodide from airplanes and ground-based devices in Wyoming and elsewhere in the Rocky Mountains. Flaming Gorge falls as drought felt higher up Colorado River 2022-09-16T04:00:00Z Air Force dabbled in weather-control warfare over Vietnam and Laos; in a highly classified effort called Operation Popeye, several aircraft flew daily missions to spray lead and silver iodide powder into monsoon clouds. It’s Time to Engineer the Sky 2023-09-20T04:00:00Z Their approach: shoot silver iodide into clouds, where moisture binds to the particles, forms ice and falls as snow. Cloud seeding catching on amid Rocky Mountain drought 2023-04-19T04:00:00Z The local government will also attempt to seed clouds, a process that involves shooting silver iodide rods into the sky to kick-start fresh rainfall. China hit by drought, floods, as Yangtze River runs dry 2022-08-18T04:00:00Z On Wednesday, central China's Hubei province became the latest to announce an extensive weather modification programme, deploying planes to fire silver iodide rods into the clouds to induce rainfall. China takes action to alleviate drought as record heatwave continues 2022-08-17T04:00:00Z Two of the best ice nuclei are silver iodide and a protein produced by the bacteria Pseudomonas syringae. The Olympics Has 100 Percent Fake Snow—Here’s The Science of How It Gets Made 2022-02-12T05:00:00Z In cirrus-cloud thinning, particles of silver iodide would be sprayed into clouds at altitudes of 4,500 to 9,000 meters, enlarging ice crystals in those clouds so they fell out of the sky. It’s Time to Engineer the Sky 2023-09-20T04:00:00Z The rainmakers had installations outside Beijing, where peasants donned military fatigues and helmets and used anti-aircraft guns and rocket launchers to blast the sky with silver iodide, hoping to coax rain from the clouds. ‘Politics of grandeur’: 2 Olympics and China’s love of big 2022-02-09T05:00:00Z Flying across the cloud tops, the aircraft dropped flares that burned as they descended, releasing plumes of silver iodide that caused ice crystals to form and snow to fall over the mountains. Cloud seeding gains steam as West faces worsening droughts 2021-11-22T05:00:00Z That involved firing rockets packed with silver iodide crystals into rain clouds over the suburbs of Beijing. How Beijing is turning its water to ice 2021-10-27T04:00:00Z The first way that people tried to make “real” snow was by seeding natural clouds with silver iodide. The Olympics Has 100 Percent Fake Snow—Here’s The Science of How It Gets Made 2022-02-12T05:00:00Z Cloudseeding traditionally refers to a set of weather-modification techniques in which a substance — salt, or silver iodide, or dry ice — is fired into a cloud to enhance precipitation, not single-handedly create it. Did They Really Make It Rain Over Dubai? Does It Matter? 2021-08-11T04:00:00Z Mexico is releasing silver iodide into the clouds to stimulate rain. The current drought is worldwide. Here's how different places are fighting it 2021-07-16T04:00:00Z This month, Colorado, which has conducted cloud seeding operations since the 1950s, is hoping to install ground-based silver iodide generators in the North Platte River Basin bordering Wyoming. Cloud seeding gains steam as West faces worsening droughts 2021-11-22T05:00:00Z But in the U.S., it most commonly aims to enhance snowfall, and usually with silver iodide. Eight States Are Seeding Clouds to Overcome Megadrought 2021-03-16T04:00:00Z From seeding them with particles of silver iodide to chilling vast stretches of ocean water, so far no method mooted for dispersing hurricanes has managed to best the storms’ power and unpredictability. Daily briefing: “Exceptionally rare” skull puts new face to human origins 2019-08-27T04:00:00Z When they caught up with a cloud, they shot jets of silver iodide into it to emancipate the rain. Chernobyl’s cover-up is a warning for our nuclear future | Kate Brown 2019-04-04T04:00:00Z They are testing a system that involves lofting particles of silver iodide from the machines into the atmosphere. Could Tibetan clouds save China from drought? 2018-04-05T04:00:00Z Utah, which estimates that its statewide network of 165 silver iodide generators boosts snowpack by 5 to 15 percent, says the program cost works out to just $2.18 per acre-foot of water produced. Cloud seeding gains steam as West faces worsening droughts 2021-11-22T05:00:00Z Without knowing how a cloud evolves after seeding, scientists were unsure whether the silver iodide was doing anything at all. Does cloud seeding really work? An experiment above Idaho suggests humans can turbocharge snowfall 2018-01-22T05:00:00Z And after a two-decade federal experiment called Project Stormfury failed to control hurricanes with silver iodide seeding, the idea fell into scientific disfavor, too. Can We Engineer a Way to Stop a Hurricane? 2017-10-13T04:00:00Z Wherever pilots shot silver iodide, rain fell, along with a toxic brew of a dozen radioactive elements. Chernobyl’s cover-up is a warning for our nuclear future | Kate Brown 2019-04-04T04:00:00Z Six counties and a portion of a seventh participate in the state’s weather modification program, which seeds clouds with silver iodide to suppress hail and increase rainfall. Governor asks for study on disputed cloud seeding program 2017-08-24T04:00:00Z Seven counties are in the program, which deploys aircraft into towering cumulus clouds to spray silver iodide. North Dakota suffers repercussions of drought conditions 2017-08-19T04:00:00Z They launched one aircraft that made laps between two ground-based radars, dropping canisters that spread silver iodide into the clouds. Does cloud seeding really work? An experiment above Idaho suggests humans can turbocharge snowfall 2018-01-22T05:00:00Z Of course, purists in 1839 probably thought the daguerreotype, an early form of film using a copper plate coated with silver iodide, wasn’t as soulful as an oil painting. Little Rock photography club focus on film 2017-07-16T04:00:00Z They hope silver iodide particles shot into the clouds will stop hail from forming. These winemaking regions are most at risk from natural hazards 2017-05-05T04:00:00Z Later, she writes that “as a result” of silver iodide seeding in 1961, Hurricane Esther's barometric pressure “stopped deepening and maintained a relative constant pressure thereafter”. Meteorology: Weather makers : Nature : Nature Research 2017-04-04T04:00:00Z Cloud seeders emit plumes of silver iodide into winter storm clouds to coax additional precipitation from clouds. Remote-operated cloud seeder bring installed above Dolores 2016-09-05T04:00:00Z The same plane also flew through the cloud while streaming silver iodide from its wings. Does cloud seeding really work? An experiment above Idaho suggests humans can turbocharge snowfall 2018-01-22T05:00:00Z Clouds over Los Angeles County were seeded with silver iodide to increase the amount of rainfall during Monday's storm, marking the first cloud seeding done by the Department of Public Works since 2002. L.A. officials seeded clouds during El Nino storm in hopes of more rain 2016-03-08T05:00:00Z In southwest Colorado, workers light generators that look like large propane tanks, sending flames into pans that send vaporized silver iodide up to the base of clouds. Cloud seeding underway to get more water for the West 2016-01-23T05:00:00Z Bernard and his boss experimented with creating rain and snow by seeding clouds with dry ice and silver iodide. How H.G. Wells missed writing a book that became a Vonnegut classic 2015-12-03T05:00:00Z He thinks it will be necessary to shoot silver iodide into the clouds in an effort to make it rain or to build plants to desalt ocean water. Navajo Generating Station Powers and Paralyzes the Western U.S. 2015-06-16T04:00:00Z Some of the mosaic tiles—like projects to desalinate ocean water, pipelines to move water west from the Mississippi River or seeding rain clouds with silver iodide—stretch technological limits and call for innovation. Vegas Water Chief Preached Conservation While Gambling on Growth 2015-06-02T04:00:00Z He was then able to simulate what happens when silver iodide is introduced at various altitudes and in different types of storms. Researchers making big strides with Cheyenne supercomputer 2015-05-16T04:00:00Z There the silver iodide forms an artificial ice crystal that draws in more water, forming larger snowflakes. Cloud seeding underway to get more water for the West 2016-01-23T05:00:00Z It’s instituted a prohibition on all outside watering; it’s tried cloud seeding, sending silver iodide particles into clouds to encourage rain; and more recently it began using a wastewater reuse program. Parched Texas city hopes to cut lake evaporation 2014-08-01T04:00:00Z Cloud seeding is a process in which a meteorologist looks at the weather and determines if seeding clouds with silver iodide pellets would increase rainfall production. Steps North Texas city has taken to save water 2014-08-01T04:00:00Z It's instituted a prohibition on all outside watering; it's tried cloud seeding, sending silver iodide particles into clouds to encourage rain; and more recently it began using a wastewater reuse program. Parched Texas city hopes to cut lake evaporation 2014-08-01T04:00:00Z Seeding the Sky The most widely used weather-modification technique is probably cloud seeding, which involves priming clouds with particles of silver iodide. How to (Try to) Make It Rain 2014-05-30T04:00:00Z Rainfall is so rare in the region that the city is spending more than $600,000 on “cloud seeding” - shooting silver iodide into infertile storm clouds overhead, hoping to induce rain. Water disputes along Brazos River stir emotions 2014-05-18T04:00:00Z This involved firing rockets packed with silver iodide crystals into rain clouds over the suburbs of Beijing. Why won't the UK make the sun shine for the Olympics? 2012-07-18T02:29:24Z When the flares are ignited, updrafts carry the silver iodide particles in the cloud. Steps North Texas city has taken to save water 2014-08-01T04:00:00Z Just 24 years after the invention of the calotype photographic method, which uses paper coated with silver iodide, Tripe was producing many high quality calotype prints. India Ink: Early Pictures of South Asia To Be Auctioned Off in London. 2011-11-08T11:33:50Z The scientific underpinnings of this practice are debatable, but the Chinese believe that they're able to remove excess moisture from their clouds by blasting them with rockets of silver iodide. The Pentagon's new China war plan 2011-08-13T17:01:00Z Beijing runs the world's largest program in cloud seeding – the process of imbuing clouds with silver iodide to generate precipitation, usually in times of drought. China Races to Create Rain, Save the Wheat Crop 2011-02-15T22:34:02Z The practice, which dates back to Soviet times, involves releasing silver iodide and dry ice particles into clouds. AP Interview: Sochi to seed clouds at 2014 games 2010-06-10T18:06:00Z On the other hand, as much silver nitrate is required to give the yellow turbidity due to silver iodide as would be required if no zinc were present. A Text-book of Assaying: For the Use of Those Connected with Mines. The silver nitrate solution, adhering and entering to a slight extent the surface of the collodion, becomes converted by an ordinary chemical action of affinity into silver iodide and bromide. Scientific American Supplement, No. 288, July 9, 1881 |
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