英语语法分析

The acute and chronic toxicities of benzidine to Daphnia magna were studied.

研究了联苯胺对大型溞的急性毒性和慢性毒性。

Benzidine staining can be used to get an approximate estimate of "viable" pollen.

花粉的生活力染色测定以联苯胺染色较适宜。

NO content and NOS activity were assayed with benzidine fluorescence spectrophotometry.

NO含量和NOS活性采用联苯胺荧光分光光度法测定。