hydrogen 高考四级六级考研GMAT

Water was dissolved into hydrogen and oxygen.

水被分解为和。

Water is a compound of hydrogen and oxygen.

水是和合。

Hydrogen and oxygen are the constituents of water.

和是水主要成分。

Hydrogen combines chemically with oxygen to form water.

和合成为水。

The balloon was distended because of filling of hydrogen.

气球因充满了气而膨胀。

Water is made up of atoms of hydrogen and oxygen.

水由和子构成。

Water can be reduced to oxygen and hydrogen by electrolysis.

用电解法可以把水分解为和。

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

馏分油临和非临降凝工艺技术均已工业。

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

学家可以把水中和分离开来。

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

导致含量过高因可能在于锻后退火不足。

Both hydrogen and oxygen are elements.

和都是学元素。

Hydrogen is a corlorless, odorless gas.

气是一种无色、无味气体。

Oxygen and hydrogen make water.

和构成水。

Dimethoxymethane possesses higher quantity of oxygen, higher ratio of hydrogen to carbon and lower flash point.

甲缩醛含量大、碳比高、闪点低，加入柴油中能够提高其十六烷值。

Fe-only hydrogenase can catalyze the reversible reaction of protons and electrons to molecular hydrogen in nature.

对铁酶活性中心进行学模拟将有可能产生出新型产催剂。

The re-fuelling system works using an "electrolyser" which converts water and electricity into pure hydrogen and oxygen.

补给燃料系统是使用铝电解槽，来转换水和电，成为和。

Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.

以二乙胺和二硫碳为料,经双水(275%),一步合成了四乙基秋兰姆二硫。

Objective To study the effect of zinc-oxide phosphorate base on preventing hydrogen peroxide leakage in intracoronal bleaching.

摘要目研究髓室内漂白时，磷酸锌水门汀基对抗过渗漏作用。

This article summarized the research development of the reaction characteristic between lignin quinonoid chromophoric group and hydrogen peroxide.

概述了木素醌型发色基团与过反应特性研究进展。

Hydrogen transfer, protonization and formation of methene bridge are probablely the main reasons for the above structural characters.

转移、质子、亚甲基桥形成可能是导致这些结构特征主要因。