查询词典 hydrogen

The correction and practicability of the state equation of the super-critical hydrogen which is put forward beforehand is proved.

证明了由本文提出的超临界氢的状态方程的正确性与实用性。

The structures were then overlaid using the nitrogen, the neighboring hydrogen, and the oxygen of the ethanolamine functionality.

结构随后用乙醇胺功能度的氮，临近的氢和氧覆盖。

The trace gas concentration was measured by the above method, for example,1～70 parts per million by volume of hydrogen, or acetylene or ethene, or 50～550 parts per million of carbon monoxide.

计算结果表明，单一网络的泛化能力较强，但识别准确度在某些值处达不到实用的要求。

Mannich reaction occurred directly between arylamine and pyrroli- zinone on hydrogen chloride/ethyl alcohol solution.

芳胺和吡里酮在氯化氢乙醇溶液中直接发生Mannich反应，但胺甲基化不是发生在羰基的α-位，而是发生在吡咯结构部分的5-位。

Any of a group of organic compounds of nitrogen, such as ethylamine, C2H5NH2, that may be considered ammonia derivatives in which one or more hydrogen atoms have been replaced by a hydrocarbon radical.

胺一组被认为是氨之衍生物的含氮有机化合物中一种，如乙胺，c2h5nh2，其中一个或一个以上的氢原子被烃基所取代

This article investigates the selective hydrogenation of acetylene/ethylene mixtures over Pd-Ag series catalysts. The influence of important variable of hydrogen/acetylene ratio on the product yield pattern is discussed and cokes deposited on catalyst surface after reactions are analyzed.

本文以钯-银系列之触媒，进行乙炔/乙烯混合物之选择性氢化反应，除探讨氢气／乙炔之比例对於产物中乙烷及绿油组成分布之影响，同时说明触媒表面积碳之主要成份。

As to kaolinite, it is hydrogen bond that breaks, which provides the broken surface with permanent negative charge because of the isomorphic exchange of lattice ion.

2通过对工业淀粉进行氧化和醚化改性，制得了羧甲基淀粉、氧肟酸淀粉、阳离子淀粉和双醛淀粉。

Timas proposed that the expansion bolt which used for fixing the equipment of hydrogen station is unavailable, we replied that a few manufacturers don't provide this kind of bolts, we stated we will purchase some in local, it will take about a half month to buy.

Timas 提出无制氢站设备固定用膨胀螺栓，我方回复部分厂家不供货此螺栓，且表示会在当地购买一些，预计需半个月。

If true, the signal might be explainable by hydrogen flowing out from the Sun and interacting with oxygen in the lunar soil .

如果是真的，那么该信号可能是太阳上的氢与月壤内的氧原子结合后形成。

The paper calculates the composition of the waste gas of high pressure scrubber before and after hydrogen peroxide passivation in the carbon dioxide stripping urea plant,studies the explosibility of the waste gas,and makes proposals of production operatio

计算二氧化碳汽提法尿素装置采用双氧水钝化前后高压洗涤器尾气的组成，讨论该尾气的燃爆性，提出生产操作建议。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。