hydration layer

基本解释

Wet or dry concrete surface, Concrete component surface, Brick, Mortar, Metal various hydration layer surface, Various SBS linoleum surface, Toilet, The basement;
潮湿或干燥的混凝土表面；混凝土构件表面；砖石；砂浆；金属各种保湿层表面；各种SBS油毡表面；卫生间；
And because of cement concrete surface layer can not be fully hydration, when the underlying strength play, its stress is more than the surface of stress, thus produced appear "cracking".
并且因混凝土表层水泥不能得到完全水化，当底层强度发挥后，其应力大于表层产生的应力，从而出现“开裂”。
The action of the dispersants is to increase the repulsion interactions of electrical double layer, hydration shell and steric hindrance, and to decrease the Van der Waals attraction among particles.
分散剂的作用方式的实质是分散剂在矿粒表面的吸附，增强矿粒间的双电层排斥作用、水化膜排斥作用以及位阻排斥作用，减小范德华吸引作用。