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

观员车辆通过已知距离时间中所发生误差，可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.

添加少量熟石灰可即刻消除碳酸根和腐植酸盐等有机杂影响。

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至消除由副产引起急性毒性,其最可能原因是脱氯剂与一部分副产反应而生成了毒性较小甚至没有毒性。

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.

铁件由硫酸铜、硫酸亚锡、络合剂、稳剂等组成溶液中,可以置换镀覆不同锡量分数铜- 锡合金镀层,其工艺可替代氰化预镀铜,消除氰化污染,是实现电镀清洁生产措施之一。