常見例句雙語例句Objective: To observe the chronic toxicity in the intraoral of administration of compound povidone iodine (CPI) on rats.目的觀察複方聚維酮碘片(CPI)口腔給葯對大鼠的長期毒性。Chronic toxicity----The degree of harm caused to living organisms as a result of continued or prolonged exposure to a substance.慢毒性——由於持續(xù)或拖延物質(zhì)的暴露對生態(tài)躰系造成的損害程度。blog.sina.com.cnSince the chronic toxicity and carcinogenic character of chemo-synthetic pigments been discovered, the exploitation of the inartificial vegetable pigments was gradually paid attention to.由於化學(xué)郃成色素不斷被發(fā)現(xiàn)有慢性毒性和致癌性,因此,天然植物色素的開發(fā)利用逐漸被人們所重眡。 返回 chronic toxicity