板块运动是地幔运动的表面现象。地幔是位于地壳和金属内核之间的一层厚厚的岩石壳。
Plate movements are the surface expressions of motions in the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.
关键制模工艺包括：母模制备、金属型壳制造、模框制作、背衬强化层制作、脱模以及后处理等。
Arc spray tooling process mainly includes: master pattern preparation, surface pretreatment, fabrication of the metal shell, frame fabrication.
以环己烯、苯和苯乙烯为探针物，采用原位FT-IR技术对贵金属催化剂上（活性组分呈壳层分布）吸附烃类的原位加氢反应进行了研究。
Using cyclohexene, benzene and styrene as probe molecules, hydrogenate reaction in situ of hydrocarbons adsorbed on noble metal catalysts (egg-shell distribution) were researched by in situ FT-IR.
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