The optimal conditions for the anaerobic digestion are the following.厌气消化的最佳条件如下.Anexperiment was conducted to determine the optimal lipid level of feed Acipenser schrencki Brandt.本文报道了史氏鲟饲料脂肪最适含量的结果....regions in which ...
The optimal systems differ according to the criterion chosen.按照所用准则之不同,最佳化系统便不同.The optimal conditions for the anaerobic digestion are the following.厌气消化的最佳条件如下.It is designed only to maintain minimum standards, not to a...
Beneath its purple pall , the face painted on the canvas could grow bestial , sodden, and unclean.在这块紫色的棺衣下, 画布上的脸变得毫无人性、污秽 、 不洁.The unrest has cast a pall over what is usually a day of national rejoicing...动荡的局势给往常举国欢庆的...
Semiconductors containing such impurities are called p - type semiconductors.含有这类杂质的半导体叫做P型半导体.It is not possible to name any particular conductivity at which metals end and semiconductors begin.不可能说出在哪个特定的导电系数处是金属和半导体的分...