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单词 Hydrogen 2
释义

Hydrogen 2

英语例句库

Hydrogen and oxygen are the constituents of water.

氢和氧是水的主要成分。

Hydrogen combines chemically with oxygen to form water.

氢和氧化合成为水。

Hydrogen is a corlorless, odorless gas.

氢气是一种无色、无味的气体。

Water was dissolved into hydrogen and oxygen.

水被分解为氢和氧。

Water is a compound of hydrogen and oxygen.

水是氢和氧的化合物。

Water is made up of atoms of hydrogen and oxygen.

水由氢和氧的原子构成。

Water can be reduced to oxygen and hydrogen by electrolysis.

用电解法可以把水分解为氧和氢。

A chemist can isolate the oxygen from the hydrogen in water.

化学家可以把水中的氢和氧分离开来。

Both hydrodewaxing and dewaxing without hydrogen have been commercialized in China.

馏分油临氢和非临氢降凝工艺技术均已工业化。

The main reason of leading to overhigh hydrogen content was insufficient anneal after forged.

锻造后退火不足是导致氢含量过高的主要原因。

原声例句
CNN 精选 2017年9月合集

Hydrogen bombs used fusion, instead of splitting the atoms, it combines small atoms like hydrogen.

而氢弹则发生核聚变反应,即不是分裂原子,而是将小的氢原子聚集起来。

科学60秒 听力 2013年2月合集

They detected a heavy hydrogen molecule called hydrogen deuteride.

他们探测出了一种叫做氘化氢的高质量氢分子。

少儿百科之歌

Hydrogen and helium are the rest of my atmosphere.

我的大气层主要由氢气和氦气组成。

BBC纪录片《我们的地球》

Hydrogen sulphide gas bubbles up from oil deposits in the Earth's crust.

硫化氢气体从地壳内的油气储层中溢出。

Vox 观点

Hydrogen airships never flew paid passengers again after that day.

从那以后,氢气飞艇再也没有搭载过付费乘客。

宇宙的奇迹

Hydrogen fused, releasing enormous amounts of energy.

崩塌引发了氢聚变,释放出大量能量。

CNN 10 学生英语 2022年5月合集

Hydrogen peroxide inside the robot is converted into a gas which moves its arms.

机器人体内的过氧化氢被转化成一种气体,从而实现机器人手臂的移动。

Scishow 精选系列

Oxygen-Hydrogen bonding is exactly what allows us to turn sugar into energy during respiration.

氧氢键正是让我们在呼吸过程中将糖转化为能量的原因。

火星救援 原声版

And then if I just direct the hydrogen into a small area...and burn it.

假如我直接将氢气导入一个小空间,然后点燃它。

VOA Special 2022年9月合集

Hydrogen power is considered " green" when it is made with renewable power.

用可再生能源制造的氢能被视为是“绿色能源”。

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There's hydrogen fuel cells, batteries that run on hydrogen, or hydrogen-combustion engines, engines that use hydrogen as fuel.

有氢燃料电池,使用氢气的电池,或氢内燃机,即以氢气为燃料的发动机。

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Two part hydrogen, one part oxygen, you'll get water every time.

2部分氢元素加1部分氧元素, 你就会得到水。

Scishow 精选系列

Like, Hydrogen, when it gets the chance.

比如说氢气,如果有机会的话。

日常生活医学科普

This type of bonding is hydrogen bonding.

这种类型的键是氢键。

CGTN

But this problem was solved with hydrogen.

但氢燃料解决了这个问题。

听美文故事记六级单词

They found hydrogen sulphide levels decreased in 80% of participants.

他们发现受试者口腔内的硫化氢含量降低了80%。

Scishow 精选系列

Hydrogen sulfide is a colorless gas that smells like rotten eggs.

硫化氢是闻起来像臭鸡蛋的无色气体。

少儿百科之歌

Hydrogen and helium are what I'm mostly made of in my atmosphere from my surface above.

我表面上的大气主要是由氢气和氦气组成。

美语情景对话

Maybe even using fuel cells such as hydrogen.

甚至可以用氢燃料电池。

火星救援 原声版

You take hydrogen, you add oxygen, you burn.

用氢气,加上氧气,再点燃。

中文百科

氘 Deuterium

(重定向自Hydrogen 2)
氘是由一个质子、一个中子、一个电子组成的
Representación 3D animada de un deuterio. Hay que tener en cuenta que la órbita del electrón se trata sólo de una representación artística, pues en realidad es una onda descrita por una función de probabilidad. Además se ha exagerado el tamaño relativo del núcleo.
Ionized deuterium in a fusor reactor giving off its characteristic pinkish-red glow

(注音:ㄉㄠ;拼音:dāo(1);客家话:dao(1);粤语:dou(1);英语:Deuterium)为氢的一种稳定形态同位素,又称重氢,元素符号一般为DH。它的原子核由一颗质子和一颗中子组成。在大自然的含量约为一般氢的7000分之一。

英语百科

Deuterium 氘

(重定向自Hydrogen 2)
Ionized deuterium in a fusor reactor giving off its characteristic pinkish-red glow
Emission spectrum of an ultraviolet deuterium arc lamp
Harold Urey

Deuterium (symbol D or 2H, also known as heavy hydrogen) is one of two stable isotopes of hydrogen. The nucleus of deuterium, called a deuteron, contains one proton and one neutron, whereas the far more common hydrogen isotope, protium, has no neutron in the nucleus. Deuterium has a natural abundance in Earth's oceans of about one atom in 6420 of hydrogen. Thus deuterium accounts for approximately 0.0156% (or on a mass basis 0.0312%) of all the naturally occurring hydrogen in the oceans, while the most common isotope (hydrogen-1 or protium) accounts for more than 99.98%. The abundance of deuterium changes slightly from one kind of natural water to another (see Vienna Standard Mean Ocean Water).

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更新时间:2025/6/17 19:56:04