normal force是什么意思

网络释义

用法例句

In this paper, the effect of composition of transition metal oxides obtained by the orthogonal design , atmosphere and the nucleation agent on the gloss of metal glazes in ferric oxides was discussed.

采用廉价的铁系氧化物,研究了正交设计的过度金属氧化物组成、气氛、晶核剂等因素对釉面金属光泽的影响。

The second and the third step reaction conditions of the synthesis of L-carvone from d-limonene were studied by the use of orthogonal design, and the whole yield of these two reactions is more than 80% by the use of new reaction conditions.

利用正交法对d - 艹宁 烯合成L -香芹酮的第二步 (脱氯化氢 )和第三步 (水解反应 )反应的工艺条件进行分析 ,得到了较为理想的工艺 ,使二、三两步反应总收率达 80 %以上。

In this experiment,orthogonal design with three levels of four factors(Taq DNA polymerase, dNTPs,primer and Mg2+) was used to optimize the pepper ISSR-PCR reaction system.

本试验利用正交设计,以辣椒SS69为试材,从Taq酶、dNTPs、引物、Mg2+4因素3水平来优化辣椒ISSR-PCR反应体系。