This would result in reduction of concrete strength due to cracking as well as the failure to attain full chemical hydration.

如果干燥过快则会出现表面裂缝，这将有损于混凝土的强度，同时也会影响到水泥水化作用的充分进行。

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The H-E model provides the thermal parameter and the structure forming parameter of cement initial hydration, which combines the chemical reaction course and physical state of the structure forming.

模型提供水泥初始水化历程的热学参数及结构形成参数，将化学反应进程与结构形成的物理状态结合起来。

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By adopting photo-reduction, chemical and electrochemistry technology, the preparations and influencing factors of nano-silver, nano- nickel and hydration silica were researched respectively.

采用光还原、化学和电化学技术，分别研究了纳米银和纳米镍以及纳米水合二氧化硅纳米材料的制备和影响因素。

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