Horizontal diffusion cell was used to screen the permeation promoters in order to improve the drug permeation. 为了提高药物的经皮渗透量,本文用水平扩散池对几种常用的促渗剂进行了筛选。
Analyses and compares the diffusion regularity of fire smoke with and without screen doors when fire occurs in the middle or head of the train separately. 分析比较了地铁列车中部和头部分别发生火灾情况下有、无屏蔽门时烟气的扩散规律。
Methods Antibiotic susceptibility was tested by the disk diffusion to screen out the strains that produced the ESBLs; conjugative transfer test, plasmid profile, PCR and DNA sequencing were used to detect the phenotype or genotype of STEC. 方法采用纸片琼脂扩散法筛选36株产志贺毒素大肠埃希菌产ESBLs菌株,接合传递实验、质粒谱分析、PCR检测耐药基因和DNA序列分析产ESBLs菌株的表型和基因型。
However, with the increase of film thickness, the current density shows a continuous increase. This phenomenon indicates that the electron diffusion length is improved due to the formation of microsphere divided into nanowire network during screen printing. 但是,电流随着薄膜厚度的增加而增加,这个现象说明由于纳米线网格的形成改善了电子扩散系数。
This study used the method of disk diffusion to isolation and screen antagonistic bacteria, and screened excellent biological control strains and determined its biological taxonomic status. 本研究采用纸片法分离筛选拮抗菌,筛选到生防效果优良的菌种,并确定其生物学分类地位。
This paper cite monocrystalline silicon solar cell as an example, studied each sections of solar cell production: making texture, diffusion, etching, depositing the antireflection coating, screen printing and firing, and the important technical parameters in detail. 本文以单晶硅太阳能电池为例,对太阳能电池片生产的各个工段:制作绒面、扩散制结、刻蚀、去磷硅玻璃、镀减反射膜、印刷电极、烧结以及重要工艺参数作了详细的研究。