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Blood samples were collected at 0, 5, 10, 15, 30, 45 minutes and 1, 1.5, 2, 3 hours after the drug was given. Serum concentrations of penicillin G were determined by microbiological method. A computer program was used to determine the pharmacokinetic parameters for the blood concentration- time data by compart...

以电子计算机程序处理血药浓度—时间数据，血药浓度随时间变化符合二室开放模型，所得主要动力学参数为：分布半衰期(t1/2α)0.14±0.03h；消除半衰期(t1/2β)0.70±0.21h；表观分布容积0.696±0.141 l/kg；体清除率11.67±1.02 ml/；药时曲线下面积21.57±1.93h·IU/ml，本文还根据单剂量给药参数推算给药方案，供兽医临床参考。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。