The film with more DNA and higher N/Pratio might provide a new method to enhance transfection in localized gene delivery system.
这种含有较多DNA和较高N/P比的多层膜为提高原位基因传递体系的转染效率提供了一种新方法。
2
The"311-A"regression design was adopted to study the optimum ratio of N, P and K fertilizers on maize field of Yellow River Pumping Irrigation District in Cheng Xitan, Yanchi Ningxia.
运用“311-A”试验设计,探讨宁夏盐池县城西滩扬黄灌区玉米氮、磷、钾肥料的最佳配比。
3
The deficiency of N or P in artificial seawater would lag the time of gametophyte formation and affect the differentiation ratio of female-male gametes.