Cyanide is used to kill insects.

可用来杀害虫。

Most of the devices are simple—such as a blacklight and funnel above a bucket of cyanide gas—but effective.

大部份的装置虽然简单但都很管用，例如在黑灯与漏斗下面放一桶毒气。

The isonicotinic acid - pyrazolone light intensity method is currently applied to measure the prussiates in the water.

水中的测定,目前采用异烟酸———吡唑啉酮光度法。

Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在硫酸铜、硫酸亚、络合剂、稳定剂等组成的溶液中,可以置换镀覆不量分数的铜- 合金镀层,其工艺可替代预镀铜,消除污染,是实现电镀清洁生产措施之一。