However, the direct process, cracking method and hydrogenation of chlorosilanes were valuable because of less cost, high yield and convenience of continuous manufacturing.
而直接法、裂解法和还原法因其成本低廉，产率高，便于连续化生产，具有工业实用价值。
DMSO freeze-cracking method was applied for preparation of the scanning electron microscopic specimen of plants.
本文采用DMSO冷冻割断法，对植物样品内部微细结构进行了扫描电镜观察。
The preparation of cyclopentadiene from dicyclopentadiene by liquid phase cracking method with the device of continuous reaction-rectification was studied.
本文研究了采用连续反应-精馏装置，由双环戊二烯进行液相热分解制备环戊二烯的工艺方法。
The measurements of ground stresses by using the hydraulic cracking method within the deep boreholes were proceeded at the Qinling extra long tunnel district.
秦岭特长隧道地区采用水压致裂法进行了深钻孔的应力测量。
The measurements of ground stresses by using the hydraulic cracking method within the deep boreholes were proceeded at the Qinling extra long tunnel district.
秦岭特长隧道地区采用水压致裂法进行了深钻孔的应力测量。
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