hydrogen
美 [ˈhaɪdrədʒən]
英 ['haɪdrədʒən] 
英汉双解
1. | 氢;氢气a chemical element. Hydrogen is a gas that is the lightest of all the elements. It combines with oxygen to form water. |
英汉解释
英英解释
例句
Hydrogen and CO have both been used for estimation of noble metal surface areas.
夂?O都已用来测定贵金属的表面积。
The heat and light energy from the Sun is due to the fusion of hydrogen atoms at a very high temperature and pressure.
太阳的光能和热能是由于氢原子在极高的温度和压力下发生核聚变的缘故。
The gravimetric hydrogen production rate exceeds that of other solar-driven thermochemical processes by more than an order of magnitude.
而分解出氢的效率以重量计算可比其它太阳能热制程的效率高出一个数量级。
Most hydrogen fires will have the flame characteristic of a torch or jet and will originate at the point where the hydrogen is discharging.
大多数氢的火焰具有火炬或喷射器的特征,起源于氢泄漏点。
Hydrogen, a secondary energy carrier , can be converted to produce water and this water appears to be an endless source of energy.
二级能量载体氢可以被转换,产生水,这种水似乎会成为无穷无尽的能源。
It's designed for up to six people to live in, and is powered by an environmentally-friendly combination of solar power and hydrogen tanks.
它可以居住六人,由对环境友好的太阳能和氢气驱动。
The star used to be like the sun, a "main sequence" star that burns hydrogen by nuclear fusion, producing helium.
这颗恒星曾和太阳一样,是颗“主序星”(“mainsequence”)。它通过核聚变燃烧氢,从而产生氦。
That energy itself must be produced in ways that do not emit greenhouse gases for hydrogen to be a truly green fuel.
最理想绿色燃料则是按照一定的方式自己产生能量而且不会产生二氧化碳、甲烷等导致温室效应气体(如同氢气)。
The ships would turn wind power into hydrogen, which would be stored on board, to be unloaded later and used to generate electricity.
帆船把风力转换成氢贮存在船上,需要时卸载用于发电。
Still, these findings offer something of a conceptual shift in how to view human conditions where hydrogen peroxide plays a role.
对于如何看待过氧化氢在人体中的角色,这些发现仍然提供了概念上的转变。
Strictly, a base pair is a pair of complementary bases (i. e. the A: T, G: C and A: U interactions) held together by hydrogen bonds.
严格地说,碱基对是一对相互匹配的碱基(即A:T,G:C,A:U相互作用)被氢键连接起来。
Hydrolysis of chlorosilanes in an oxygen-hydrogen flame, produces a fine, amorphous white powder of very high purity.
水解氯硅烷中氧氢火焰,生产罚款,无定形的白色粉末纯度非常高。
And what you're seeing here is a cloud of densely packed hydrogen sulfide -rich water coming out of a volcanic axis on the sea floor .
您现在看到的是一团密度很高的强硫化氢液体从海底的火山中轴喷出。
Molecular hydrogen (H2) radiated the heat out of the clouds, so we need to know how much H2 was in the cloud.
氢分子(H2)在初生云周围散射热量,因此我们要知道在初生云中氢分子的数量。
At least some of the substantially asphaltene-free, and metal-free distillate fraction is converted to a hydrogen donor diluent.
至少部分基本上不含沥青质且不含金属的馏出馏分被转化成供氢体稀释剂。
A fuel cell creates electricity through a reaction between hydrogen and oxygen leaving water as the only form of emission.
燃料电池是通过氢气和氧气的化学反应产生电力的,排出物只有水。
When the universe was born, there was nothing but hydrogen, helium and a little lithium.
当宇宙诞生的时候,除了氢、氦和少量的锂元素之外,什么也没有。
The image was captured using four narrow-band filters that have been tuned to see hydrogen as well as ionized helium, sulfur and oxygen.
获取该图像时使用了四个窄带滤光片,它们都被调谐到可见氢、电离氦、硫和氧。
Deuterium is incredibly easy to fuse compared to hydrogen and most of the sun's energy actually comes from fusing it.
和氢比较氘是不可想象的容易聚变,太阳的大部分能量实际上是来自聚变它。
Acoustic-emission techniques have been used to determine the rate of cracking of highstrength steel due to hydrogen embrittlement.
声发射技术已被用来确定高强钢因氢脆而开裂的速率。
Each of the four valency electrons of the carbon atom is shared with one of a hydrogen atom.
碳原子的四个价电子都各与氢原子的一个价电子共用。
One first forms appropriate linear combinations of the hydrogen Ao's and of the carbon Ao's to get symmetry adapted orbitals.
首先,要形成氢AO和碳AO的适当的线性组合以得到对称性匹配轨道。
The main property changes occurring during dehydrochlorination are: hydrogen chloride evolution, coloration, and embrittlement.
脱氯化氢降解过程中的主要性能变化是:释出氯化氢,变色和变脆。
The next element above hydrogen, as we go from the simplest to the most complicated element, is helium.
当我们以最简单到最复杂按顺序考查原子时,比氢复杂的其次一个元素就是氦。
One study used an eight-foot diameter toroidal combustor, burning liquid oxygen and gaseous hydrogen, with four different injectors.
有一项研究采用8英尺直径的环形燃烧室用四种不同的喷注器,推进剂是液氧和气氢。
It is for this reason that hydrogen, e. g. as water, is an important constituent of neutron shields.
由于这一缘故,氢(例如水)便成为中子屏蔽体的一个重要组成部分。
Another negative feature of hydrogen is that it is hazardous material.
氢气的另一个缺点是:氢是一种易爆的物质。
Long ago the men whose duty it was had calculated that three of the hydrogen bombs would be sufficient for that rather small target.
在很久以前,有关负责的人就计算出,三颗氢弹头就足够摧毁伦敦这个如此小的目标了。
No doubt in a hydrogen-bomb war great cities would be obliterated. But this is one of the minor disasters that would have to be faced.
毫无疑问氢弹战争中大城市会被毁灭,但那不过是我们可能遇到的小灾难之一。
Hydrogen technology is better suited for generator applications and for industrial uses at its current stage of development, he said.
在目前发展阶段,氢气技术更适合运用到发电机和工业。
Hydrogen bombs have never been used in war and are thousands of times more powerful than atomic bombs.
氢弹从未在战争中使用过,它要比原子弹的威力强上千倍。
And I'm going to ask, after I reach equilibrium, what is the partial pressure of nitrogen hydrogen and ammonia?
我想问,当达到平衡后,氮气,氢气和氨气的分压,分别是多少?
The molecular formula, C6H14, shows nothing but the total number of carbon and hydrogen atoms and hence is seldom used.
分子式C6H14,只不过表示碳和氢原子的数目,因此很少使用。
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??
He said that the laboratory has developed a number of hydrogen fuel cells, will improve as a diesel-electric submarines of the use of power.
他说,实验室已开发出若干氢燃料电池,将作为改善柴电潜艇的动力使用。
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?
"Jim, prepare the sub-particle setting for initial hydrogen release, " Adams finally said. I thought I heard a bit of fear in his voice.
“吉姆,准备亚粒子,我们要开始第一步的氢气释放,”亚当斯终于开口了。我感觉从他的声音里听到了一丝忧虑。
Nearly all their mass is made up of hydrogen and helium, giving them compositions like that of the sun.
它们的几乎全部质量都由氢和氦贡献,这使得它们的组成成分与太阳类似。
Hydrogen and oxygen atoms can vary in how much they weigh.
氢和氧原子可能在重量上多少有点变化。
this hydrogen came from the bombarded atoms themselves: it was the result of a transmutation .
这种氢就来自于被轰击的原子本身——是蜕变的结果。
These hydrogen-detecting films each comprises a thin film layer and a catalyst layer formed on the surface of the thin film layer.
这些氢检测膜具有薄膜层以及形成于薄膜层表面的触媒层。
One of the substrates is subject to hydrogen implantation and the two substrates are bonded to one another in an annealing process.
对其中一个衬底进行氢注入,并且所述两个衬底在退火处理中彼此结合。
Indeed, hydrogen produced by exposed and overheated fuel might have been the cause of it.
当然,暴露在外的高温燃料所产生的氢气也可能是起火的原因。
These properties are due to a unique kind of a bond known as the hydrogen bond.
这些特性的存在是由于一种独特的结合力,即人们所知道的氢键。
By using easily obtainable cobalt and phosphates, the MIT work could make it a lot more viable to obtain hydrogen directly from solar cells.
麻省理工的这项成果使用易得的钴和磷酸盐,从而使从太阳能电池中直接获得氢气方法更加可行。
The traders said the autopsy reports were unreliable, and that hydrogen sulphide in the waste was only there in "potential" form.
该石油贸易商称验尸报告不可靠,并称废料里的硫化氢只以“潜在”的形式存在于那里。
The destructive power of fusion bombs, also known as thermonuclear devices and hydrogen bombs, vastly exceeds that of fission bombs.
聚变核弹也被称为热核武器和氢弹,其破坏力大大超过了裂变核弹。