用稀醋酸水溶液作为脱钙剂，环烷酸钙作为模型有机钙化合物，研究了反应条件以及原油三组分的存在对脱钙的影响。
The influences of reaction conditions and petroleum fractions on the removal of calcium by dilute aqueous acetic acid were investigated using calcium naphthenate as model compound.
本文以稀甲醇水溶液为实验物系，研究了易挥发溶质水溶液膜蒸馏过程的传质和传热性能。
The performance of mass and heat transfer in membrane distillation was investigated with a system of aqueous solution containing more volatile solute (methanol).
YG8硬质合金经稀硝酸水溶液化学侵蚀后，表面一定深度内的粘结相钴将被化学刻蚀掉，引起表层疏松。
Cobalt phase was chemically etched to certain depth beneath the surface and porous layer was formed after YG8 cemented carbide had been soaked in aqueous solution of dilute nitric acid.
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