The magmatic evolutionary series shows a general trend of evolution from high to low basicity of magma, from great to shallow depths of magmatic intrusion and from strong to weak wall-rock alteration.
岩浆演化序列表现出岩浆基性程度由高变低、侵入深度由深变浅、围岩蚀变由强变弱的总体演化趋势。
According to the mechanism, olefin protonation is a process of acid-alkali reaction, so the reaction is easy to happen when the acidity of catalyst and the basicity of olefin are very strong.
按此机理，烯烃的质子化是酸碱反应过程。因此，催化剂的酸性和烯烃的碱性均较强时对反应是有利的。
The high-pressure reaction kettle of the utility model is especially suitable for the processing and production of chemical raw materials with strong acidity and basicity.
本实用新型的高压反应釜特别适用于具有较强的酸碱性化工原料的加工生产。
The high-pressure reaction kettle of the utility model is especially suitable for the processing and production of chemical raw materials with strong acidity and basicity.
本实用新型的高压反应釜特别适用于具有较强的酸碱性化工原料的加工生产。
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