英语语法分析

This paper reports the colour reaction of Calcium with DCB -arsenazo.

本文首次研究了DCB—偶氮胂与钙的显色反应。

Results The accuracy of gastric carcinoma staging determined by DCB were 91.3%.

结果双重对比造影判断胃癌大体分期的准确性为91.3 %。

Objective: To study the blastomogenic action of 3,3'-dichlorobenzidine (DCB) upon strain A mice.

目的：探讨3 ，3’ -二氯联苯胺（DCB）对A系小鼠的致瘤作用。