查询词典 hydrogen

By now, the conversions from carbon to carbon dioxide, from hydrogen to water and some other chemical conversions have formed the vast majority of commercial energy.

迄今为止的商品能源的化学转化都是由碳转化成二氧化碳、由氢转化成水……的氧化过程。

Through analysis and compare on the process data such as residual hydrogen in carbon dioxide, pressure difference and temperature of catalyst bed,before and after replacement,it comes to the conclusion that the application is successful and satisfied.

对国产催化剂应用前后的工艺情况———脱氢效果、反应器压差及床温进行了分析、评价，认为：用该催化剂取代进口催化剂是成功的，完全能满足工艺要求。

In terms of valves, the pipeline complexity of the work of weather conditions; oil, natural gas and oil, water and other media in the hydrogen sulfide, carbon dioxide and some organic acids appear to increase the destructive force of the metal surface, which rapidly lost their ability to work.

对阀门而言，其管道工作气候条件的复杂；石油、天然气和油层水等介质中硫化氢、二氧化碳和某些有机酸的出现使其金属表面的破坏力增大，从而迅速失去工作能力。

The fermentation temperature was 60℃. The major fermentation products were ethanol, acetic acid, hydrogen and carbon dioxide.

直接发酵纤维素产乙醇的初步研究、发酵于60℃下进仃，其主要产物为乙醇、乙酸、氢气和二氧化碳。

On the valve, the work of its pipeline complex climatic conditions; oil, natural gas and oil water medium hydrogen sulfide, carbon dioxide and some organic acids appear to increase the destructive power of the metal surface, which quickly lose their ability to work.

对阀门而言，其管道工作气候条件的复杂；石油、天然气和油层水等介质中硫化氢、二氧化碳和某些有机酸的出现使其金属表面的破坏力增大，从而迅速失去工作能力。

It discovered that effect of oxygen on the corrosion rate was less than that of sulfide hydrogen and carbon dioxide. Evident pits were observed.

在长庆油田环境中，H2S、CO2对套管腐蚀影响程度远大于O2，表观存在明显的点蚀破坏。

Hill Camellia can resist sulphur dioxide, hydrogen chloride and nitric acid fumes and other hazardous materials violations.

山茶花能抗御二氧化硫、氯化氢和硝酸烟雾等有害物的侵害。

"Microbes that produced methane from hydrogen and carbon dioxide were one of the earliest forms of life on Earth," notes Carl Pilcher, Director of the NASA Astrobiology Institute which partially supported the research.

"微生物产生的甲烷，氢气和二氧化碳是最早形式的地球上的生命，"注意到卡尔尔彻主任美国宇航局天体生物学研究所的研究部分支持。

How reduce discharge of hydrogen fluoride become an important subject for research effectively.

如何有效降低氟化氢的排放成为了一个重要的研究课题。

The results indicate that relationship between hydrogen fluoride laser and aluminum is different from that between CO2 laser and aluminum.

结果表明，氟化氢激光与铝靶相互作用得到的冲量耦合系数和激光功率密度的关系与CO2激光不同。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。