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时间中所发生，利用一种人形视车镜加以消除。

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

添加少量熟石灰即刻消除碳酸根和腐植酸盐等有机杂质影响。

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...

投加脱氯剂减小甚至消除由引起急性毒性,其最能原因是脱氯剂与一部分反应而生成了毒性较小甚至没有毒性质。

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.

铁件在由硫酸铜、硫酸亚锡、络合剂、稳定剂等组成溶液中,以置换镀覆不同锡质量分数铜- 锡合金镀层,其工艺替代氰化预镀铜,消除氰化污染,是实现电镀清洁生措施之一。