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，可利用种人形视车镜加以消。

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

添加少量的熟石灰可即刻消根和腐植盐等有机杂质的影响。

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...

投加脱氯剂可减小甚消由副产物引起的急性毒性,其最可能原因是脱氯剂分副产物反应而生成了毒性较小甚没有毒性的物质。

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.

铁件在由硫铜、硫亚锡、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,其工艺可替代氰化物预镀铜,消氰化物污染,是实现电镀清洁生产措施之。