1·Thus, the oil is cleaned and the effective constituent of oil is retained.
因此，石油是清洁和有效成分是油留用。
2·Objective To study the efficacy, stability and method of effective constituent of 2.5% gel bait.
目的研究华力2.5%杀蟑胶饵的药效、稳定性和有效成分测定方法。
3·Conclusions: Plantagoside is an effective constituent of Semen Plantaginis to depress cough and reduce inspissated mucus.
结论：车前子甙为车前子中镇咳、祛痰的有效成分。
4·The effective constituent of saponin was identified with thin-layer chromatography and was with ultraviolet spectrophotometry.
利用薄层色谱法定性鉴别中草药中皂苷有效成分，紫外分光光度法测定总皂苷含量；
5·The quality of Chinese herbs was not only including the effective constituent, toxicant and content but also the heavy metals and pesticide residue.
中药质量除了自身的有效成分、有毒成分、含量明确且稳定可控外，中药中残留农药和重金属对中药质量的影响也不可忽视。
6·Conclusions The effective constituent of Cortex Moutan - Paeonol and Paeoniflorin reassociated complex prescription has good effect of protecting myocardial ischemia.
结论牡丹皮有效成分丹皮酚和芍药苷重组复方对心肌缺血具有良好保护作用。
7·Methods: Using 95 percent alcohol to extract effective constituent, PVA-1750 as film material, to prepare Tripterygium Wilfordii membrane and enactment the level of quality.
方法：采用95%乙醇提取有效成分，聚乙烯醇为成膜材料，制备雷公藤涂膜，制定质量标准。
8·Sichuan Weikeqi Biological Technology Co. , Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
单位简介及产品服务： 四川省维克奇生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
9·Chengdu Preferred Biological Technology co., Ltd. is a high-tech enterprise dealt in separating, purifying, selling of chemical reference substance and plant effective constituent compound.
成都普菲德生物科技有限公司，是一家专业从事中药对照品及植物有效成分化合物的分离、提纯生产、销售为一体的高技术企业。
10·It is an effective methods reducing the content of nitrite by active constituent in plant.
利用植物有效成分阻断亚硝胺合成是防治癌症的有效途径之一。