英语翻译The concentrations of DBP,DEHP and DBP+DEHP in the samples of raw materials,feed additives and premixes,which are reported in this work,were observed during a 2-year study of samples provided by feed business operators in the Czech Republ
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英语翻译
The concentrations of DBP,DEHP and DBP+DEHP in the samples of raw materials,feed additives and premixes,which are reported in this work,were observed during a 2-year study of samples provided by feed business operators in the Czech Republic.
文中所提到的报告,原物料、饲料添加剂和预混料样本中的DBP、DEHP和DBP+DEHP的浓度值,是由捷克共和国的饲料企业经营者对样本经过2年时间的研究观察后提交的.
英语翻译In a preceding section on the forward characteristics of a pn junction diode,we have implicitly assumed that there is no carrier generation and recombination within the space-charge region.However,the bias changes the carrier concentratio
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