positive

发布时间：2025-12-17 21:50:54

1)positive film,正片2)positive,正片3)Yizheng tablets,益正片4)YangZhengPian,养正片5)color positive film,彩色正片6)diapositive film,透明正片

It is introduced that the method of positive amplifying is used to analyse and measure the wave length of the unknown spectral line.

本文介绍了用正片放大法来分析和测量未知谱线的波

OBJECTIVE:To study the mechanism of QingDuYin and YangZhengPian to improve myelosuppression in L7212 leukemia mice.

目的 :探讨清成毒饮和养正片改善L72 12小鼠骨髓抑制的作用机理。

A research on reversible developing of the color positive film;

彩色正片反转冲洗的研究

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