Meanwhile the effect on the diffusion parameters from sampling time is measured based on the above SF6 trace experiments.
2
研究了气泡直径随操作压力、取样时间的变化规律,以及气泡大小对气浮处理效果的影响。
The rule of changes of the diameters of air bubbles with pressure and sampling time, as well as the effect of the sizes of air bubbles on the result of air floatation treatment were studied.
3
以elisa法测定唾液抗体含量与取样时间的关系。进行包虫病唾液抗体的流行病学普查验证。
ELISA was used to determine the relationship between the contents of saliva in antibody and the sampling time, and to verify epidemiological mass survey of the saliva antibody of hydatid disease.