The optimal yield coefficient of the system is correlative with earthquake level.
隔震体系最优屈服系数与输入地震动水平相关；
The sludge yield coefficient increased with the increase of sludge loading rates.
污泥表观产率系数随污泥负荷的增加而增大；
The main factors affecting the well yield are the transmissivity and water yield coefficient of the aquifer as well as the permeability coefficient and thickness of the leaky layer.
含水层的导水系数、释水系数和弱透水层的渗透系数、厚度是影响井涌水量的两大重要因素。
The invention relates to a method of preparing light olefins by using methanol or dimethyl ether, and mainly solves the problem of not high yield coefficient of the light olefins in prior art.
本发明涉及一种甲醇或二甲醚制备轻烯烃的方法，主要解决现有技术中轻烯烃收率不高的问题。
The invention relates to a method of preparing light olefins by using methanol or dimethyl ether, and mainly solves the problem of not high yield coefficient of the light olefins in prior art.
本发明涉及一种甲醇或二甲醚制备轻烯烃的方法，主要解决现有技术中轻烯烃收率不高的问题。
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