1求一句英语小翻译 多谢 自己实在是看不明白If these gases were present in the air but trapped no heat,the average temperature of Earth"s surface would be below zero,about -18^. 2英语翻译If these gases were present in the air but trapped no heat,the average temperature of Earth"s surface ...
US5323616 * Nov 30, 1993 Jun 28, 1994 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for cooling a gas in an apparatus for exploiting gases present in the airUS5323616 1993年11月30日 1994年6月28日 L'air Liquide, Societe Anonyme Pour ...
百度试题 结果1 题目29 Air is a mixture of gases.Which gas is present in the largest amount? C A argon B carbon dioxide C nitrogen D C oxygen 相关知识点: 试题来源: 解析 C 反馈 收藏
Air Liquide is a world leader in gases, technologies and services for Industry and Health. Present in60countries with approximately66,500employees, the Group serves more than4 millioncustomers and patients. Learn more about the Air Liquide Group ...
realize how large a problem it is.”中可知C为正确选项。74. D 点评：细节理解题。同样在文中第二段“In addition...because of the related expenses.”可得知D为正确答案。75. D 点评：细节理解题。在文中最后一段“Not only governments...to solve the problem.”可推出D为正确答案。
the sensor which varies as a function of the concentration of the pollutant gas, to which the said sensor is sensitive, and which is present in the air of the environment in which the sensor is situated and operates, comprises a thermistor independent of the said basic measuring circuit and ...
a我的家在观英滩 My family in view England beach[translate] aYou have the spousal present? 您有结婚的礼物?[translate] a他的哥哥 His elder brother[translate] a他太累了 He too was tired[translate] aVisit Keukenhof Lisse 参观Keukenhof Lisse[translate] ...
In contrast, the three industrial fluorinated gases –hydrofluorocarbons (HFC),perfluorocarbons (PFC)andsulphur hexafluoride (SF6)– are solely man-made during industrial processes and do not occur in nature. Though they are present in very small concentrations in the atmosphere, they trap heat ve...
Processing of C{sub 3}H{sub 7}OH, C{sub 2}HCl{sub 3} and CCl{sub 4} in flue gases using silent discharge plasmas, enhanced by (V)UV at 172 nm and 253.7 nm We present experimental results on (V)LTV enhanced, barrier discharge processing of trichloroethylene (C{sub 2}HCl{sub 3}...
4. What can be inferred from the passage? A. The polluting industries are not allowed to sell their products. B. Present technologies have settled the harmful waste problem. C. Everyone should obey the government rules for the problem. D. To solve the problem requires the efforts of the ...