hydrogen gas

A nebula an interstellar cloud of dust, hydrogen gas, helium gas and plasma.

星云是由尘埃、氢气、氦气和等离子体构成的星际云团。

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Meantime, The model of hydrogen and hydroxide ions diffusion is also established with the dissociation of hydrogen gas and NaOH in excess sodium.

根据钠水/水蒸汽反应生成的氢气和氢氧化钠在钠中离解动力特性，建立氢离子和氢氧根离子的扩散方程。

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In coldest area, wet hydrogen gas pipe shall have anti-freeze measures.

在寒冷地区, 湿氢管道应采取防冻措施.

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To predict the rising velocity of hydrogen gas and the influencing factors, a suitable working fluid was determined for experimental simulation on the vold fraction of hydrogen in a neutron moderator.

为了推断中子慢化剂液氢中气化氢气泡的上升速度及影响因素，选取合适的工质进行了含气率的模拟实验。

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Scientists at the University of Birmingham have shown that harmless bacteria that feeds on sugar produces hydrogen gas.

伯明翰大学的科学家发现，以糖为生的无害细菌能产生氢气。

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The nessicity and possibility of comprehensive utilization of hydrogen gas from electrolysis units were discussed.

论述了综合利用电解装置产生的氢气的必要性和可能性.

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During hydrogen gas heat-treatment, hydrogen purity had strong effect on soft magnetic property and artificial ageing.

氢气热处理时，氢气纯度和软磁性能人工时效有密切关系。

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Research and development of low pressure adsorption storage hydrogen gas as a vehicles fuel

低压吸附贮存氢气作汽车燃料的研究与开发

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The problem is that AlH _ 3 molecule is easier to dissociate and produce hydrogen gas.

问题在于AlH3易于部分离解出氢气,导致发生化学变质.

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Then you take hydrogen you cool it would liquid nitrogen to77, then you can use your hydrogen gas.

，然后用液氮把氢气降温到，然后就可以使用这个氢气了，想要用氢气来做焦耳-汤姆孙实验。

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The results showed that the process of Co, Ni and Zn deposition on spherical Ni ( OH) 2 surface was accompanied by hydrogen gas evolution, a porous covering layer was formed and the tap density was reduced.

结果表明，在球形Ni（OH）2表面上包覆钴、镍和锌的过程中伴随着析氢反应，形成了多孔包覆层，降低了其堆积密度。

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Hydrogen gas is only about one fourteenth as dense as air. So up it goes!

氢气的密度仅仅是空气密度的1/14，所以氢气能漂浮。

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Furthermore, hydrogen gas can be produced under ( 0 ℃) and no pollution to environment.

甚至在0℃下也可以生产氢气，无污染。

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Considering there exist large amount of hydrogen gas in medium or low-heat-value coal gas supplying gas turbine to combust in IGCC, problem of flashback is arising in such kind of fuel containing hydrogen.

基于煤气化的联产系统中燃气轮机需燃烧含有大量氢气的中低热值煤气，含氢燃料的预混燃烧回火问题更为突出。

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An external jolt of electricity helps generate hydrogen gas at the cathode.

在外部电流下能在阴极处产生出氢气。

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Ni/ AC Membrane Electrode-Aluminum Alloy Storage Hydrogen Gas Cell

Ni／AC膜电极-铝合金储氢电池的研究

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Construction Technology to Pressurized Seal High Pressure Gas and Sulphuretted Hydrogen Gas in Underground Mine

煤矿井下带压封堵高压瓦斯及硫化氢施工技术

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The clusters are produced by supersonic expansion of cryogenically cooled high-pressure hydrogen gas into vacuum through a conical nozzle.

氢团簇由低温冷却下的高压氢气经锥形超声喷嘴向真空喷射产生；

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Feasibility study of using hydrogen gas by-product as fuel in solid caustic soda production

利用副产氢气作生产固碱燃料的可行性探讨

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The Methods of the Hydrogen Gas Recovery in the Blow-out Gas of Methanol Synthesis

甲醇吹除气中氢的回收方法

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There are all kinds of different ways of bombarding, in this case, hydrogen gas.

有各种各样不同的方法进行轰炸，在这种情况下，我们用氢气。

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Experimental measurement of new spectral series of hydrogen gas discharge source bombarding target

氢气放电源打靶的较完整新谱系实验测量

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A thermodynamic analysis of the liquid hydrogen gas power cycle is conducted and the latter's superior power performance predicted.

本文对液氢－燃气动力循环进行了热力学分析，指出它的优越的动力性能。

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Calculation of the rotation thermal capacity of hydrogen gas

氢气转动热容量的计算

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By measuring the volume of hydrogen gas which is produced by an amount of metal reaction with excessive dilute acid, the number of hydrogen moleculars can be calculated from the gaseous state equation and the mass of hydrogen molecular, thereby, Avogadro constant can be obtained

通过测定一定量的金属与过量的稀酸反应产生的氢气的体积，由气态方程和氢分子的质量可以计算出氢分子个数，从而得到阿佛伽德罗常数

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The rate of hydrogen production reached a maximum of 16.8 mL/ h and the percentage of hydrogen gas in the headspace of serum bottle was up to 41%.

从对数期开始迅速产氢，并且一直持续到稳定前期，产氢速率达到16.8mL/h，生物气中最大氢含量为41%。

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