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二水石膏的英文

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"二水石膏"怎么读用"二水石膏"造句

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  • dihydrate gypsum

例句与用法

  • The result shows , for this composite cement system , retarding action of dihydrate gypsum is more obvious than that of anhydrite , meanwhile , anhydrite tends to cause setting time short and water needed increased
    结果表明:二水石膏对该种复合体系水泥的缓凝作用比硬石膏明显,硬石膏易引起复合体系水泥急凝和需水量增大。
  • Through the analyzing the macro - structure to micro - structure , the author considers that retarding mechanism of citric acid is that citric acid and ca in the gypsum form the complexant ion , and hinder the crystallization center of dihydrate crystal bigger ; that of sodium tripolyphosphate is that it combined with ca , hinders the dissolve of hemihydrate . formation and growth of crystallization center ; that of bone glue is the glue - protection and chemical absorption action of active group , which also retards the formation and growth of crystallization center
    通过宏观到微观的分析,笔者认为,柠檬酸的缓凝作用的原因主要在于柠檬酸与钙形成络合离子,影响了二水石膏晶体的晶核长大过程;多聚磷酸钠与钙形成某种复盐,对于石膏晶体的溶解、成核和长大过程均有强烈的阻碍影响;骨胶则在于胶体对半水石膏的包裹和活性基团的化学吸附,使二水石膏晶体的成核和长大困难。
  • The influence of different gypsum on strengh of portland - sulphoalminate composite cement system is complicated , related with aluminiferouse mineral in cement system and the so4 ( superscript 2 - ) concentration of its hydrated solution ; in distilled water and maximum lime wash , the dissolution rate of dihydrate gypsum is higher than that of anhydrite but the dissolubility is lower
    石膏品种对硅酸盐硫铝酸盐复合体系水泥强度的影响较复杂,与水泥体系中含铝矿物及其水化溶液中so4 (上标2 - )离子浓度有关;在蒸馏水和饱和石灰水中,二水石膏的溶解速度比硬石膏快,溶解度比硬石膏低。
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