氢 的中文句子和英文句子

氢化裂解将石油的含氢分子分裂成更简单的分子（象汽油和煤油的分子）的过程，此分裂过程是在加催化剂及高压氢气的条件上进行的

A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition of hydrogen under high pressure and in the presence of a catalyst.


水含有氢和氧。

Water contains hydrogen and oxygen.


有机氯一种含氯的碳氢化合物杀虫农药，如滴滴涕杀虫剂

Any of various hydrocarbon pesticides, such as DDT, that contain chlorine.


两个氢原子和一个氧原子结合而成一个水分子。

Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.


石脑油一种高度挥发性的易燃液态碳氢化合物混合物，从石油、煤焦油和天然气中提炼出来，并用作石油、溶剂和制造各种化合物中

Any of several highly volatile, flammable liquid mixtures of hydrocarbons distilled from petroleum, coal tar, and natural gas and used as fuel, as solvents, and in making various chemicals.


水由氢和氧组成。

Water is composed of hydrogen and oxygen.


氢极易爆炸。

Hydrogen is highly explosive.


铜铀云母一种绿色的放射性矿物，为铀和铜的氢化结晶云母

A green radioactive mineral that is a hydrous crystalline phosphate of uranium and copper.


氘氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2。014

An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.


空气一种无色、无嗅、无味的气体混合物，主要由氮气（约占78％）和氧气（约占21％）组成，还有少量的氩、二氧化碳、氢、氖、氦及其它气体

A colorless, odorless, tasteless, gaseous mixture, mainly nitrogen(approximately78 percent) and oxygen(approximately21 percent) with lesser amounts of argon, carbon dioxide, hydrogen, neon, helium, and other gases.