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Wieland theory of hydrogen activation [医] 维兰德氏氢激活学说
HYDROGEN ACTIVATION OF HYDROVISBREAKING CATALYST FOR LUBE 润滑油临氢降凝催化剂的氢活化
Water contains hydrogen and oxygen. 水含有氢和氧。
Water is composed of hydrogen and oxygen. 水由氢和氧组成。
In addition, the catal y st has no obvious inducement time.It has a good hydrogenation activity dispense with pretreatment. 试验还发现，该催化剂没有明显的诱导期，无需经过预处理就有很好的加氢催化活性。
Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
The hydrogen is the known the lightest element. 氢是已知的最轻的元素。
Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
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。
Water can be dissolved into hydrogen and oxygen. 水能分解成氢和氧。
Both hydrogen and oxygen are elements. 氢和氧都是化学元素。
hydrogen activation 氢激活
Hydrogen is a one-valence element. 氢是一价的元素。
Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
This metal acts on water to set hydrogen free. 这种金属作用于水，就释放了氢气。
Water can be broken down into hydrogen and oxygen. 水可以分解为氢和氧。
Water is made up of oxygen and hydrogen. 水是由氢和氧构成的。
In PL / 1, the activation of a procedure. 在pl/1语言中,一个过程的激活。
Water is said to consist of oxygen and hydrogen. 据说水由氢气和氧合成。