The effect of porous silicon rock powder mixing with ordinary Portland cement on properties of cement is studied.
研究了多孔硅质岩矿粉掺入到普通硅酸盐水泥中对水泥性能的影响。
Yet in Silicon Valley, where pasty-faced youths with a penchant for churning out computer code are often feted as rock stars, celluloid fantasy can sometimes become reality.
但是在硅谷，面容苍白、痴迷于研究计算机代码的年轻人经常跟摇滚明星一样受到追捧，电影里的想象有时会变成现实。
'Think Silicon Valley, the shlumpy, nerdy, hoodie thing, ' she says. 'It's very hard to look like a rock star or leader-Ly if you do the shlumpy, nerdy thing as a woman.
她说，想想在硅谷，那种懒散的、书呆子气的连帽衫，如果女性穿上这样的衣服，很难看起来像是摇滚明星或领导者。
Traditionally, silicon cycling is thought to be mainly controlled by rock weathering, subsequent mineral dissolution, and final aggradation in waters.
传统认为硅的循环主要受岩石风化、矿物溶解和水体沉积的影响。
This dissertation discovered that the high silicon limestone matches cement familiar materials request for cement production by analyzing the rock mutually and the crystal structure.
本文通过岩相分析，发现高硅石灰石的晶体结构符合水泥熟料生产的要求。
An important issue in water-rock interactions is to know the existing state of silicon in formation water.
水岩相互作用中的重要问题之一是搞清硅在地层水中的赋存状态。
The main mineralization category is silicon-potassium altered rock category.
主要矿化类型为硅钾蚀变岩型。
The main mineralization category is silicon-potassium altered rock category.
主要矿化类型为硅钾蚀变岩型。
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