6-磷酸葡萄糖脱氢酶glucose-6-phosphate dehydrogenaseJanbon 综合症Janbon's syndromePPB 浓度parts per billion concentrationpphm 浓度parts per hundred million concentrationPPH 浓度parts per hundred concentrationppm 浓度parts per million concentration安全范围safety range安全试验法innocuity test method安全系统safety coefficient安慰剂placebo螯合剂chelating agent靶细胞target cell白蛋白微球制剂albumin microballoons百分浓度percentage concentration半合成抗生素semisynthetic antibiotics半抗原haptene半数致死剂量half lethal dose ; median lethal dose; LD50半衰期half-life period; half life time包衣片coated tablet薄膜衣film-coating饱和溶液saturated solution贝克勒尔Becquerel被动免疫passive immunity被动转运passive transport崩解度disintegration崩解剂disintegrants必需氨基酸essential aminoacid必需脂肪酸essential fatty acid变态反应allergy; allergic reaction表面活性surface activity表面张力surface tension丙种射线gamma rays补体complem