"Shell hydrogen" refers to the companies of the Shell Group that are engaged in the pursuit and development globally of businesses related to hydrogen and fuel cells.
壳牌氢能公司是指壳牌集团下属的、在全球经营和开发氢能和燃料电池相关业务的多家公司。
In other words, just want to know where the electron is somewhere within the shell radius of the ground state of atomic hydrogen anywhere.
换言之,我只是想知道,电子在哪,可以在氢原子基态下的半径,里面的任何地方。
Despite the grand vision, however, Shell currently has only six hydrogen filling-stations worldwide.
然而尽管有宏伟的愿景,Shell目前在世界范围内还还只有6个氢汽车燃料补给站。
Thee reason is because we already have a full valence shell for our hydrogen, it doesn't want any more electrons.
原因是因为我们的氢,已经有一个排满的价壳层了,它不再需要多余的电子了。 !
Tongji University is responsible for the development and operation of the new hydrogen station with Shell contributing technical advice and funding.
新的加氢站将由同济大学全面负责,壳牌提供技术咨询和部分资金。
The reason is because we already have a full valence shell for our hydrogen, it doesn't want any more electrons.
原因是因为我们的氢,已经有一个排满的价壳层了,它不再需要多余的电子了。
The authors suggest two possible explanations. One is the explosion of a star of over 90 solar masses, which will often expel a hydrogen-poor shell shortly before dying.
作者给出了两种可能的解释:一是,一个90倍于太阳质量的星体爆炸,会在其自身毁灭前释放出贫氢壳。
It was found that pre-impregnation of raw palm shell was involved in replacement of some hydrogen ions with sodium ions to form cross-linded complexes, resulting in a relatively high yield.
研究表明,采用前期浸渍方法制备活性炭时,原料表面的氢基团被钠置换,形成交联体,从而可获得较高的活性炭收率。
When the hydrogen in the shell, too, is exhausted, the star takes to fusing helium there.
当壳层中的氢也燃烧殆尽,恒星便开始融合氦。
The alcohol and unacidified neutral amine molecules constituted the exterior shell of the micelles by hydrogen bonding in the two modes: side by side or head to head.
醇或未酸化的中性胺分子可与胺盐以氢键作用构成胶团的外壳,其作用方式有两种;
The alcohol and unacidified neutral amine molecules constituted the exterior shell of the micelles by hydrogen bonding in the two modes: side by side or head to head.
醇或未酸化的中性胺分子可与胺盐以氢键作用构成胶团的外壳,其作用方式有两种;
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