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今天是:

selective sand control是什么意思


中文翻译选择性防砂

网络释义

1)selective sand control,选择性防砂2)select grinding wheel,砂轮选择3)way of optimization,防砂优选4)antiseptic selection,防腐剂选择5)shape selectivity,择形选择性6)selectivity,选择性,选择能力

用法例句

    SAPO is a novel class of catalytic materials which exhibit excellent shape selectivity, thermal stability and hydrothermal stability,which can catalyze hydrocarbon reactions.

    8mm,骨架呈负电性,具有可交换的阳离子,被广泛用作吸附剂、催化剂和催化剂载体,是一种具有优异择形选择性、热稳定性和湿热稳定性的新型催化材料。