biological half-life

基本解释

NAC Sustain releases in the small intestine over a 4 hour period, compared to the 1.5 hour biological half-life of NAC in the bloodstream.
新来港学童延释放出超过4小时内小肠相比，1.5小时的生物半衰期为新来港学童生活中的血液。
However, because ginkgolide was poorly water-soluble, short biological half-life, its applications in the medicine were seriously restricted.
然而，由于银杏内酯具有水溶性差，生物半衰期短等特性，使其在医药应用中受到很大的局限。
To compare with water solution, biological half-life of liposomes prolonged 54 min in rabbits plasma and the concentrations of OM in liver, lung, spleen of mice were improved obviously.
小鼠体内组织分布实验结果表明，氧化苦参碱制备成脂质体后，在肝、肺、脾等网状内皮细胞丰富的器官中药物浓度较水溶液制剂都有明显提高。

生物半衰期
One recent study showed that the arithmetic mean half-lives of serum elimination was 8.67 years（range:2.29～21.3 year, standard error=6.12 year）,and the maximum biological half-life reaches up to 21.3 years.
最近研究结果显示,人类血清中PFOS生物半衰期平均为8.67年（范围为2.29～21.3年,SD=6.12）,最高达21.3年。
生物半排出期
生物半排期
生物半生期