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- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
- contnet of hydrogen 含氢量
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
- Atoms of hydrogen are fused to make helium. 氢原子可熔合成氦。
- Water,you know,is made up of hydrogen and oxygen. 你知道，水是由氢和氧构成的。
- Water is formed of hydrogen and oxygen. 水由氢氧构成。
- Water is made up of hydrogen and oxygen. 水是由氢和氧两种元素组成的。
- Water consists of hydrogen and oxygen. 水由氢和氧组成。
- Water is made up of atoms of hydrogen and oxygen. 水是氢和氧的原子构成的。
- It has studied the action of hydrogen peroxide on nitrous acid. 它研究了过氧化氢对亚硝酸的作用。
- Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water. 两个氢原子和一个氧原子结合而成一个水分子。
- The situation of hydrogen production from propane is summarized. 摘要综述了丙烷催化转化制氢的国内外发展状况。
- The most abundant isotope of hydrogen, H1, with atomic mass1. 氘氢的数量最丰富的一种同位素，H1，原子质量为1
- This paper describes the toxicity and harm of hydrogen arsenide. 这篇文章介绍了砷化氢的毒性及危害性。
- Compared with normal tears,total protein contnet of SMG tears was lower( P <0.05),SIgA was more similar( P >0.05),but EGF and amylase were higher( P <0.05). 自体颌下腺游离移植后分泌的泪液总蛋白含量明显低于正常泪液(P<0.;05);SIgA含量接近正常泪液(P>0
- Determination of hydrogen peroxide content.Titrimetric method. 英文名称： Hydrogen peroxide for industrial use.
- The ones without CSE had much lower levels of hydrogen sulfide. 去除CSE组的老鼠硫化氢含量相对低很多。
- The balloon was distended because of filling of hydrogen. 气球因充满了氢气而膨胀。
- On the trend of changes in the tannin and protein content, the two species are basically identical, but the tannin content of "Dashi" is higher, while the protein contnet of "Hongguo 2" is higher. 2个品种的单宁和蛋白质含量变化趋势基本一致，但“大十”的单宁含量较高，而“红果2号”的蛋白质含量较高。
