highly toxicity

Organophosphorus pesticides are widely used in agricultural production , but it is very harmful for the health of people for its highly toxicity and residual heavily and incorrectly use which leading to the organic phosphorus pesticide residues exceeding used on agricultural products .

有机磷农药在农业生产中被广泛使用，由于多数有机磷农药属高毒、高残留类化合物，加上农药使用不合理，导致农产品中有机磷农药残留超标，严重危害着消费者的身体健康。

Compared with traditional chemotherapy , molecular targeted therapy have highly selectivity , low toxicity and high therapeutic index .

实践已证明分子靶向治疗具有高选择性、低毒性和高治疗指数，可长期用药。

Rubber Antioxidant 4020 is a kind of highly active , low toxicity , solvent resistant antioxidant .

橡胶防老剂4020，为高效、低毒、耐溶剂的橡胶防老剂。

There are many antitumor drugs developed or developing at home and abroad , but few are efficient or low toxic side-effect . Therefore this is a research point to continue looking for the highly efficient and low toxicity antitumor drugs .

目前国内外抗肿瘤药众多，但许多药物疗效不高、毒副反应大，因此继续寻找高效低毒的抗肿瘤药物成为研究的热点。