Extractive fermentation is an effective method to overcome the product inhibition in the fermentation process and increase the yield and the conversion rate.
萃取发酵是解决发酵过程中的产物抑制，提高产率及转化率的有效手段。
A highly effective method for preparation of carbon-coated iron carbide nanocrystals by AC carbon arc discharge was studied, the yield of magnetic micro powder was over 90%.
采用交流碳弧法高效合成碳包碳化铁纳米晶磁性微粉，磁性微粉产率达90 %以上。
Up to now, there is no effective method available for protecting plants from CMV infection and reducing the losses of the yield.
到现在为止，还没有出现防御CM V侵染，减少产量损失的有效策略。
MethodsTo plant the herb according to the method of orthogonal project, to calculate the yield and to determine the main effective compositions.
方法用正交设计安排种植试验，考察产量，测定主要有效成分的含量。
MethodsTo plant the herb according to the method of orthogonal project, to calculate the yield and to determine the main effective compositions.
方法用正交设计安排种植试验，考察产量，测定主要有效成分的含量。
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