22. The main cause of the gravity variation is that groundwater has been over mined, thus, hydrous system is so pressed that ground gravity varies.
重力变化的主要原因是过量开采地下水,使含水系统压密,从而导致地面重力变化。
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23. Palygorskite is a kind of hydrous magnesium silicate mineral of layered chain structure and belongs to the rare mineral resources in the world.
坡缕石是一种层链状含水镁质硅酸盐矿物,属世界稀缺的矿产资源。
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24. So it is feasible to reduce the temperature of mixing and molding of asphalt mixture without depressing its performance by using hydrous zeolite.
从而通过添加含水沸石降低混合料的拌和及成型温度是可行的。
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25. The process of ethyl chloride by using hydrous ferric chloride and alcohol as reactants as well as the indices of th product has been reported in this paper.
报导了以水合氯化铁和酒精为原料合成氯乙烷的工艺及产品指标。
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26. In this Paper, Iam going to discuss hydrated ion how it is made. And also I' ll speak the influence of the hydrous Positive ion on the nature of inoguic salt.
对水合离子的形成及其水合阳离子对无机盐有关性质的影响作了详细的讨论。
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27. Wall rock alterations include sericitization, silicification, potassic feldspathization, biotitization, pyritization, hematitization and hydrous kaolinization.
绢云母化、硅化、钾长石化、黑云母化、黄铁矿化、赤铁矿化及水合多水高岭石化等。
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28. Wall rock alterations include sericitization, silicification, potassic feldspathization, biotitization, pyritization, hematitization and hydrous kaolinization.