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of hydrogen

of hydrogen

of hydrogen

of hydrogen

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For such an atmosphere to be made mostly of hydrogen , it must be topped by a thick layer of clouds like the atmosphere of Venus .

对于这种重要有氢气组成的大气，它一定充满着类似金星之上的一层厚厚的云层。

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Use after rub skin : Merbromin of gentian of alcohol of iodine of iodin bend over of hydrogen peroxide solution , the sort of any better ? ?

擦破皮后用：双氧水碘伏碘酒酒精龙胆紫红药水，那种好些？？

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If you were the Soviets , wouldn't you be afraid of a rain of hydrogen bombs coming down on your head ?

如果你们是俄国人的话，难道不怕氢弹像雨一样打在你们的脑袋瓜上吗？

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Amines are basic nitrogenous compounds in which one , two or three atoms of hydrogen in ammonia are replaced by alkyl or aryl groups .

胺是含氧的化合物，是由一个、两个或三个氢原子与氨以烃基或芳基结合的基团。

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The explosive potential ( energy content per unit mass ) of hydrogen is about twice that of the methane in natural gas .

氢的爆炸潜能（单位质量含有的能量）大约是天然气中甲烷的两倍。

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If bubbles of hydrogen gas adhere to the cathode surface , plating is prevented around the bubble and a pit in the coating results.

如果氢气泡粘附到阴极表面上，气泡周围的镀覆就会停止，于是形成一个麻点。

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Researchers believe that some versions of aerogel which are made from platinum can be used to speed up the production of hydrogen .

研究者相信，某些用铂制造的气凝胶能够加速氢气的生产过程。

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Astronomers ascribed them to thermonuclear fusion of hydrogen or helium or to the sudden accretion of matter onto the star .

天文学家因此可将其归因于氢或氦的热核融合反应，或是有物质突然被星体吸附而产生的。

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Although methane 's specific impulse lags that of hydrogen , it presents some advantages .

虽然甲烷的比冲量没有氢那麽高，但它有好几项优点。

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At the center of the cloud , a hot , dense sphere of Hydrogen gas held together by gravitation began to radiate .

在云彩的中心，氢气热，密集的球形由万有引力相连开始放热。

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The Sun will run out of hydrogen fuel in its core about 5 . 5 billion years from now and start burning hydrogen in the surrounding layers.

55亿年后，太阳内核的氢燃料将会燃烧殆尽，外层的氢燃料就会开始燃烧。

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The hydrogen index (HI) is thus the density of hydrogen relative to that of water .

因而含氢指数是和水密度有关的氢密度。

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A concept car that attempts to sidestep the three main hurdles to the dream of hydrogen-fuelled highways was unveiled in London , UK, today .

今天，一款试图回避理想氢公路三大障碍的概念车在伦敦揭开面纱。

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After that, it is just a small matter of convincing the world to start thinking about a magnesium economy instead of hydrogen one, he adds .

他补充道，在此之后，仅需要做点小小的工作来说服整个世界开始思考用镁经济来代替氢经济。

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Methane , four atoms of hydrogen bound to a carbon atom , is the main component of natural gas on Earth .

甲烷由四个氢原子和一个碳原子组成，是构成地球大气的主要气体。

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The output of light and heat of the Sun requires that some 600 million tons of hydrogen be converted into helium in the Sun every second.

太阳所产生的光和热需要每秒将六亿吨氢转化为氦。

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Mr. Wilmshurst said that since the March 26 document , engineers had calculated that the amount of hydrogen produced would be small.

威尔姆斯赫斯说，在 26日发布报告之后，工程师们经过计算已经得出产生的氢气会非常少。

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It just a layer of hydrogen peroxide on film with the wrapping for follow-up of sterilization .

它只是将一层双氧水薄膜附在包装纸上以进行后序的灭菌。

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This article presents the energy analysis, by means of process simulation, of hydrogen making process using light hydrocarbon feedstock .

本文用过程模拟法对以轻烃为原料的制氢工艺作了能量分析。

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