v.清洁

Make full use of wastrels, Depurate the environment" is the tenet we stick to. “变废为宝，净化环境”一直是我们坚持的宗旨。

Extraction, Depurate and Physico-chemical characterization of Red Pigment for Myrica Rubra S. Et Z. 杨梅红色素的提取、纯化及其理化性质。

In this paper, the extraction depurate and physico-chemical characterization of red Pigment for myrica rubra S.et Z. were developed. 本文报道了杨梅红色素的提取、纯化及其理化性质。

Introduce An Shun's Power plant a Term clotted water depurate equipment's drainage technic change.Change before or anon contrast, sopite design technic existed problem. 介绍安顺发电厂一期凝结水精处理再生排水系统技术改造前、后运行情况，解决原设计上存在的技术问题。

In order to devise air depurate instrument and anion generator, quantitative analysis of the corona of negative single electrode with column form is given. 摘要基于静电空气净化器和负离子发生器的设计需要，给出了圆柱形细导线为电极的负单极电晕的定量分析；