| 单词 | supercritical |
| 例句 | “They were magical things to me, a bit like supercritical helium held with your bare hands.” Paul West, Writer Who Shoveled Absurdity Into His Books, Dies at 85 2015-10-21T04:00:00Z Instead, Castro-González says, the water exists in a supercritical state between a liquid and a gas. Weird alien world may be a planetary sauna 2023-05-15T04:00:00Z How can a nuclear reactor contain many critical masses and not go supercritical? College Physics for AP Courses 2015-08-12T00:00:00Z At this concentration, it is not possible to achieve the supercritical mass necessary for a nuclear explosion. Chemistry 2019-02-14T00:00:00Z Environmental Protection Agency primary authority to issue the kind of permit McLaughlin and his team will need to pump large volumes of carbon dioxide, pressurized into a high density “supercritical” state, underground. New climate deal spurs hopes of more carbon storage projects 2022-08-15T04:00:00Z The resulting carbon dioxide drives the turbine in a form known as a supercritical fluid. Can Natural Gas Be Used to Create Power With Fewer Emissions? 2022-06-21T04:00:00Z Environmental Protection Agency found that a heat- and pressure-based technique known as supercritical water oxidation destroyed 99 percent of the PFASs present in a water sample. How to Destroy ‘Forever Chemicals’ 2022-01-31T05:00:00Z Pressurized “supercritical” CO2 could also be a possible fracking fluid. Readers Respond to the July 2021 Issue 2021-11-14T05:00:00Z This unique state of matter is called a supercritical fluid, a topic that will be described in the next section of this module. Chemistry 2019-02-14T00:00:00Z The report, released in June, painted a grim picture: Of more than 100 supercritical medications, about half are made with ingredients that are not produced in the United States. Opinion | How Much Can You Trust That Generic Drug You’re Taking? 2021-09-18T04:00:00Z To achieve detonation, an outer layer of charges shaped like pieces of watermelon rind would explode, forcing the sphere to compress into a solid, supercritical ball. Column: 75 years ago today, the Trinity A-Bomb test ushered in the era of nuclear warfare 2020-07-16T04:00:00Z During this process, the water becomes what is called supercritical: it is neither a gas nor a liquid. How to Destroy ‘Forever Chemicals’ 2022-01-31T05:00:00Z The high compressibility of both vapours and supercritical fluids would dampen the magnitude of pressure changes in the authors’ model, making failure less probable. When it rains, lava pours 2020-04-21T04:00:00Z An amount of material in which there is an increasing rate of fission is known as a supercritical mass. Chemistry 2019-02-14T00:00:00Z "The thermodynamic conditions at the surface of the H2O layer range from the supercritical to liquid phases, with a range of solutions allowing for habitable conditions on K2-18b," the researchers wrote in the study's abstract. Recently discovered exoplanet is 'potentially habitable,' experts say 2020-02-28T05:00:00Z When the pieces came together, they created a supercritical mass of fissionable, explosive uranium. Column: 75 years ago today, the Trinity A-Bomb test ushered in the era of nuclear warfare 2020-07-16T04:00:00Z “Given that supercritical water oxidation systems are already commercially available, this may be a technology that could soon be deployed for significantly impacted sites or wastewaters,” Krause says. How to Destroy ‘Forever Chemicals’ 2022-01-31T05:00:00Z By enabling highly efficient heat transfer, the new material might allow the realization of a cost-effective electricity-generation process that is currently being developed based on a fluid phase of carbon dioxide known as supercritical CO2. Cermet material could aid the development of future power plants 2018-10-16T04:00:00Z Nuclear power plants are designed in such a way that they cannot form a supercritical mass of fissionable material and therefore cannot create a nuclear explosion. Chemistry 2019-02-14T00:00:00Z We’re always supercritical of our spouses or our friends or our co-workers for not magically knowing how to be our friend or how to love us. Gabrielle Union Isn’t Done Talking About Sexual Assault 2018-01-10T05:00:00Z Surface tension, the immiscibility of supercritical CO2 with brine and layer on layer of sedimentary rock keep the CO2 from escaping to the surface. Emissions: We have the technology : Nature : Nature Research 2017-10-10T04:00:00Z His solution: Focus on building new supercritical coal plants. Will the U.S. Ever Build Another Big Coal Plant? 2017-08-21T04:00:00Z And new plants are required to use so-called supercritical technology that further raises the efficiency of coal burned while also reducing pollution. India’s wild energy trends raise doubts over coal’s future 2017-08-08T04:00:00Z Like a gas, a supercritical fluid will expand and fill a container, but its density is much greater than typical gas densities, typically being close to those for liquids. Chemistry 2019-02-14T00:00:00Z The deeper developers dig to reach supercritical temperatures, the more expensive the project becomes. A Solution to Our Clean Energy Problem May Lie Right Beneath Our Feet 2017-07-25T04:00:00Z For decades, engineers have worked on Brayton cycles—thermodynamic loops that take advantage of the properties of supercritical fluids, which could be air or CO2. Goodbye smokestacks: Startup invents zero-emission fossil fuel power 2017-05-24T04:00:00Z However at this depth, the scientists did find the pressure was high enough to see the supercritical steam they were expecting. Drilling into heart of Iceland volcano complete - BBC News 2017-02-01T05:00:00Z And it is this supercritical steam that the team wants to bring back up to the surface to convert into electricity. World's hottest borehole nearly complete - BBC News 2016-12-14T05:00:00Z These properties make supercritical fluids extremely useful solvents for a wide range of applications. Chemistry 2019-02-14T00:00:00Z “While the majority of objects may be these supercritical black holes, a minority may be equally exotic and maybe more extreme objects.” Oddball Black Hole May Have Cosmic Cousins 2015-06-30T04:00:00Z Then fuel is burned to heat the CO2 to 1150°C, which turns it supercritical. Goodbye smokestacks: Startup invents zero-emission fossil fuel power 2017-05-24T04:00:00Z However, the turbine is not the only component of the power block; a supercritical carbon dioxide system still needs heat exchangers, cooling systems and piping, which add to cost and complexity. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z To see what the effects of supercritical carbon dioxide on Venus might be, Bolmatov and his colleagues investigated the unusual properties of supercritical matter. Did Venus Have Carbon Dioxide Oceans? 2014-12-29T05:00:00Z The precise number will vary by plant whether it’s subcritical or supercritical, by coal rank, and about the kind of technology used. A bogus claim that electricity prices will ‘nearly double’ because of clean coal technology It also requires that all new coal-fired plants with a capacity of over 600MW be “supercritical” ones that are about a third more efficient than traditional designs. Energy efficiency: Negawatt hour 2014-02-27T16:07:01Z Compressing CO2 into a supercritical state also sucks up energy. Goodbye smokestacks: Startup invents zero-emission fossil fuel power 2017-05-24T04:00:00Z Now engineers are looking into replacing steam with supercritical carbon dioxide, a technique that could unlock up to 50 percent greater thermal efficiency using a smaller, cheaper turbine. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z “Rhode Island scientists say they’ve devised a method of washing human grease, microbes and motor oil from the world’s banknotes using supercritical fluid.” Physics Week in Review: January 11, 2014 2014-01-12T04:15:00.518Z Water becomes supercritical when it is compressed at 217 times the air pressure found at sea level and heated above 703.4 degrees Fahrenheit. Astronauts experimenting with water that starts fires 2014-01-08T15:53:00Z Among the complaints: RFPs were delayed; key, and some supercritical, change requests were late; and HHS officials ignored contractors’ reports that the site wasn’t ready. The Unhealthy Truth About Obamacare's Contractors 2013-11-10T18:48:00Z At high pressure and temperature, supercritical CO2 expands to fill a container like a gas but flows like a liquid. Goodbye smokestacks: Startup invents zero-emission fossil fuel power 2017-05-24T04:00:00Z Last month, in a budget briefing and in two different hearings before Congress, Energy Secretary Ernest Moniz specifically mentioned the Department of Energy's supercritical carbon dioxide initiatives. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z But on August 30, the 700 megawatt supercritical pulverized coal plant filed for Chapter 11 bankruptcy protection along with its coal supplier, Mepco Holdings. U.S. coal industry braces for EPA emissions crackdown 2013-09-12T15:25:21Z The good news is that the Asian country is making investments in advanced coal generation that include supercritical and ultra-supercritical plants. China Wants To End Blackouts With Western Help -- And American Coal 2013-07-12T12:42:00Z Building new supercritical coal plants is a climate protection strategy only in Orwell's world. Dot Earth Blog: Coal Giant Peabody Drops Claim it is the 'Global Leader in Clean Energy Solutions' 2012-12-29T18:04:10Z Researchers are actively studying other, less reactive options for cooling, such as lead and supercritical carbon dioxide, he says. Nuclear energy: Radical reactors 2012-12-05T18:50:26.023Z A simpler, smaller, cleaner machine The term "supercritical" describes the state of carbon dioxide above its critical temperature and pressure, 31 degrees Celsius and 73 atmospheres. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z Fr. origin, surface, surfeit, surpass, surprise;—Eng. compounds, superabundant, supercargo, supercritical. Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) 2012-01-30T03:00:19.113Z The panel argues that the current rules as written let supercritical coal plant developers claim avoided emissions by comparing their projects to power plant technology that's now a decade old. U.N. Panel Calls for Offsets to New Coal-Fired Plants to Be Suspended 2011-07-11T17:45:00.237Z New supercritical coal plants are a massive commitment to increased cumulative emissions. Dot Earth Blog: Coal Giant Peabody Drops Claim it is the 'Global Leader in Clean Energy Solutions' 2012-12-29T18:04:10Z His research interests focus on “green” chemistry at the interface of chemistry and engineering, particularly the application of supercritical fluids. [Essay] Spore* Series Winner: The Periodic Table of Videos 2011-05-26T18:26:09.343Z Coffee producers are already using supercritical carbon dioxide to extract caffeine from beans. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z ECUs manage supercritical, real-time systems such as steering, air bag deployment and braking as well as less critical components including the ignition, lights and infotainment console. Highway Robbery: Car Computer Controls Could Be Vulnerable to Hackers 2011-04-20T15:15:06.090Z Pressure from developing nation governments led to their inclusion in the program, as supporters claim the newer supercritical coal plants avoid carbon dioxide emissions by preventing dirtier plants from being built instead. U.N. Panel Calls for Offsets to New Coal-Fired Plants to Be Suspended 2011-07-11T17:45:00.237Z "This is not a Chernobyl-like situation," says Lester, both in terms of the graphite difference and the fact that in Chernobyl the reactor went supercritical. The Worst Case: What If the Water Ran Dry in the Japanese Reactors? 2011-03-17T23:40:43Z Joshi, the Adani executive in charge of construction in Mundra, says Chinese engineers have experience building modern plants based on "supercritical" technology, where elevated steam pressure creates a more efficient thermal cycle and lowers costs. 2010-02-11T06:07:00Z In its supercritical state, carbon dioxide is nearly twice as dense as steam, resulting in a very high power density. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z The practical person, the wary pedant, and the supercritical will scoff at this, but let it stand. Dickens' London If I were supercritical of my human limitations to express "all-at-once" wisdom, I would say nothing. Humanistic Nursing A girl absolutely different from all his cherished mental images; but, for Howat Penny, always potent, always arousing a response from his supercritical being, stirring his aesthetic heart. The Three Black Pennys A Novel In May, Adani is sending 36 of its people to China to study supercritical boiler technology. 2010-02-11T06:07:00Z Regulations could create an expanding market Now regulations and climate concerns are forcing power producers to consider ideas like supercritical carbon dioxide. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z He circled dry lips with the tip of his tongue and then his thumb began to feel over the blade of the big jack-knife in a sort of horribly supercritical appraisal of its edge. The White Moll Another concern is that most of the supercritical carbon dioxide systems demonstrated to date were built at kilowatt scales, too small to offer useful lessons for a full-sized version. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z DOE's pilot proposal would go a long way toward demonstrating the feasibility of supercritical carbon dioxide. Can Carbon Dioxide Replace Steam to Generate Power? 2015-03-03T05:00:00Z |
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