当热室经太阳能加热,达到2 700度的高温时,铁氧化合材料部件中部分氧原子发生逃逸。
Solar energy heats the hot chamber to a scorching 2,700 degrees, hot enough to force the iron oxide composite to lose oxygen atoms.
总而言之,惠勒先生平均每天所需供热和他每天的二氧化碳排放基本上差不多,不管他是去办公室上班还是在家办公。
Altogether, on the average day in which heating is required, Mr. Wheeler produces almost exactly the same amount of carbon dioxide, whether he goes to work or stays home.
分子中收集了二氧化碳,那位科学家察觉到这些二氧化碳来自实验室中的空气。
Carbon dioxide was collecting in the molecule, and the scientist realized that it was coming from air in the lab.
而就在去年,劳伦斯伯克利国家实验室的研究人员解决了如何运用氧化钴这种最常用的工业催化剂这一问题。
But last year, researchers at Lawrence Berkeley National Laboratory figured out how to use cobalt oxide, one of the most abundant industrial catalysts.
安德森说,他在实验室的实验显示,如果当前大气的二氧化碳浓度加倍,那么如今还处于良好形态的百慕大珊瑚将开始溶解。
Andersson said his laboratory experiments show that Bermuda's corals, which are now in good shape, would begin to dissolve if the current level of carbon dioxide in the atmosphere doubled.
这种在《科学》杂志里所报道的装置使用一个标准的抛物柱面镜把阳光搜集进一个反应室。在这个反应室里,铈氧化物催化剂可以分解水和二氧化碳。
The device, reported in the journal Science, uses a standard parabolic mirror to focus the sun's rays into a reaction chamber where the cerium oxide catalyst breaks down water and carbon dioxide.
在实验室测试中,巴伦·和李使用P 25二氧化矽治疗,这是一种商业形式的二氧化钛。
In lab tests, Barron and li used silicon dioxide to treat P25, which is a commercial form of titanium dioxide.
通过阻塞这个障碍物,(对球迷来说,就是在你的进攻线上增加一个额外的防守),科学家们用一氧化氮重新疏通了血管,并促进了血液流动。至少在实验室动物身上是如此。
By blocking the blocker-to football fans, adding an extra guard to your offensive line-the scientists got nitric oxide to open blood vessels again and increase blood flow, at least in lab animals.
在实验室的测量表明他们能将捕获的每磅二氧化碳转化为约两磅的碳酸盐。
Their process, which has been tested in the lab, can produce about two pounds of carbonate for every pound of carbon dioxide captured.
在实验室的测量表明他们能将捕获的每磅二氧化碳转化为约两磅的碳酸盐。
Their process which has been tested in the lab can produce about two pounds of carbonate for every pound of carbon dioxide captured.
在劳伦斯伯克利国家实验室,研究人员曾于去年发现钴氧化物可以利用阳光生产燃料,但只有纳米级的催化剂才可行。
At the Lawrence Berkeley National Laboratory last year researchers found cobalt oxide could help sunlight create fuels, but only as nano-sized crystals.
实验室模拟化学反应表明这种方法可能是实现最快最不污染海洋,二氧化碳也最不易逃脱的方法。
Laboratory reactions indicate that this process would most likely occur quickly and would not influence the oceans in a negative way or allow the carbon to escape easily.
通过阻塞这个障碍物 (对球迷来说,就是在你的进攻线上增加一个额外的防守),科学家们用一氧化氮重新疏通了血管,并促进了血液流动。至少在实验室动物身上是如此。
By blocking the blocker—to football fans, adding an extra guard toyour offensive line—the scientists got nitric oxide to open blood vessels againand increase blood flow, at least in lab animals.
咖啡含抗氧化剂,其中包括一系列圭宁的混合物。 通过对实验室的老鼠进行试验调查表明,它们能增加老鼠对胰岛素的敏感性。
"Coffee is loaded with antioxidants, including a group of compounds called quinines that when administered to lab rats, increases their insulin sensitivity\" he tells WebMD.
他在圭尔夫的实验室和史密森的分析生物学实验室都可以快速给细胞色素氧化酶(COI)基因排序,进而有“条码工厂”的美称,看来他的计划切实可行。
Both his laboratory at Guelph and the Smithsonian's Laboratories of Analytical Biology can sequence the COI gene rapidly, and have thus been dubbed "barcode factories", so this looks feasible.
为了减少大气中二氧化碳含量,缓解全球变暖压力,研究人员正在寻求一种方法,可以把二氧化碳储存在一个地下储藏室。
To reduce the amount of carbon dioxide in the atmosphere (and therefore lessen global warming), some researchers are studying ways of sequestering it in underground reservoirs.
实验室的实验表明,每向大海倾洒一吨铁,将有30000至110000吨的二氧化碳从大气中被消除。
Laboratory experiments suggested that every tonne of iron sprinkled on the sea would remove 30,000-110,000 tonnes of CO2 from the air.
在实验室研究中,库珀及其同事发现干水吸收的二氧化碳数量是同等时间内普通未结合水-硅的3倍以上。
In laboratory-scale research, Cooper and co-workersfound that dry water absorbed over three times as much carbon dioxide asordinary, uncombined water and silica in the same space of time.
根据美国国家可再生能源实验室的数据,通过蒸汽重组得到一千克氢造成相当于11.9千克的二氧化碳排放。
According to America's National Renewable Energy Laboratory, producing a kilogram of hydrogen by steam reformation generates emissions equivalent to 11.9kg of CO2.
在实验室研究中,库珀及其同事发现干水吸收的二氧化碳数量是同等时间内普通未结合水-硅的3倍以上。
In laboratory-scale research, Cooper and co-workers found that dry water absorbed over three times as much carbon dioxide as ordinary, uncombined water and silica in the same space of time.
有约束力的二氧化硅在分子水平上P25的过程被称为能带弯曲,,巴伦实验室的研究生呼玛Jafry发现了它。
The process of binding silica to P25 at the molecular level is called band bending, and Huma Jafry, a graduate student in Barron’s lab, discovered it.
随着杰克逊的环保局开始将二氧化碳作为污染物进行监管,朱棣文重新将死气沉沉的能源部塑造成清洁技术实验室,使这个变化更加引人注目。
The change has been remarkable, with Jackson's epa moving to regulate CO2 as a pollutant and Chu remaking the sleepy Department of Energy into a laboratory for clean technology.
在寒冷的天气里,一间办公室使员工温暖会产生1.3磅二氧化碳,与之相比,每位在家办公者平均会产生11.9磅二氧化碳。
On cold days, an office produces 1.3 pounds of CO2 keeping each worker warm, compared with 11.9 pounds for the average telecommuter.
据NOAA地球系统研究实验室,温室效应原因二氧化碳占63%。
Carbon dioxide is responsible for 63% of the warming attributable to all greenhouse gases, according to the Earth System Research Lab.
这一项目由美国宇航局喷气推进实验室管理,目的是对地球大气中的二氧化碳(CO2)绘制分布图。
The project, managed by NASA's Jet Propulsion Laboratory, was designed to map the distribution of carbon dioxide (CO2) in the Earth's atmosphere.
随后贝尔实验室的科学家们制造出的一个版本采用过氧化氢,并能提供数秒的空中时间。
Then scientists at Bell Labs produced a version that ran on hydrogen peroxide and provided a few seconds of lift.
本文对无机化学实验常用的氧化物的实验室制取方法作一小结。
In this paper experimental methods of preparation of usual oxides are gathered together.
无氧化段由入口密封室,废气预热区,直接加热区,炉喉,废气排放系统组成。
The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system.
无氧化段由入口密封室,废气预热区,直接加热区,炉喉,废气排放系统组成。
The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system.
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