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.

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

Addition of dechlorinating agent can reduce or eliminate the acute toxicity caused by disinfection byproducts.It may be because that the reaction of dechlorinating a...

氯剂可减小甚至消除由副产引起的急性毒性,其最可能原因是氯剂与一部分副产反应而生成了毒性较小甚至没有毒性的质。

Experiments show that causticizing by adding a small quantity of slaked lime can eliminate the interference of carbonate ions and humic acid salts.

添少量的熟石灰可即刻消除碳酸根和腐植酸盐等有机杂质的影响。

Some of the observer errors associated with timing over a measured length may be overcome by the use of the enoscope.

观测员在测定车辆通过已知距离的时间中所发生的误差，可利用一种人形视车镜以消除。