ED50

Determine the serum antibody concentration of mice by RIA and calculate ED50 and relative potency .

放射免疫法检测免疫小鼠血清抗体浓度，计算ED50和相对效力。

ED50 , the probability of injury to the retina at a rate of 60 % , was obtained .

得出兔眼视网膜损伤几率为50%时，角膜处激光功率&ED（50）。

Results There was no evident difference between the values of muscle relaxant ED50 obtained in the two tests ( P > 0.05 ) .

结果攀网法测定肌松药ED50与翻正反射法测定肌松药ED50的差异无显著性（P>0.05）。

The analgesic ED50 of GCS , GTW and SIN were assayed by mice writhing test ;

利用扭体法测定GCS、GTW和SIN的镇痛ED（50）；

The ED50 of the retinal injury in rabbits and monkeys were obtained when the laser beam is parallel or passing through convergent lens .

求得氩激光通过前置镜及平行光后的ED（50）值；

The lowest effective concentration of mandelic acid in vitro is 3.3mg/ml and ED50 is 0.16mg/ml .

结果表明，扁桃酸体外杀滴虫最低有效浓度为3.3mg／ml，ED50为0.16mg／ml。

Methods Kunming mice were set to take traction test and righting reflex test individually to determine the ED50 of the muscle relaxant vercuronium .

方法分别用攀网法与翻正反射法测定小鼠不同肌松药的ED50。

Result : In the Hep-2 cell system , the ED50 of ACV in inhibiting the hyperplasia of HSV-2 333 strain was 10.85ug/ml .

结果在Hep-2细胞系统中，ACV对HSV-2333株增殖抑制的ED50为10.85ug/ml。

In anti-analgesic studies using hot plat test and writhing test in mice , the ED50 werc 46 ± 19 and 52 ± 11 mg / kg respectively .

镇痛试验：小鼠热板法和醋酸扭体法测得ED50分别为46±19和52±11mg／kg；

OBJECTIVE To explore the antibacterial activities ( ED50 value ) of the compound of ceftazidime and tazobactam sodium ( 2 : 1 ) on disease germs of infected mice in vivo .

目的探讨头孢他啶-他唑巴坦钠（2：1）对小鼠的体内抗菌活性。

The ED50 of 2 batches of vaccine prepared with the purified protein were 0.35 and 0.48 μ g / ml respectively , while that of reference vaccine was 0.52 μ g / ml.

两批纯化蛋白制备的疫苗ED50分别为0.35和0.48μg/ml，参比苗为0.52μg/ml。

Can fully inhibit the mice response induced by bradykinin ( 0.5ug/per mouse i.a. ) and the ED50 of A - ⅲ is 1.3mg/per mouse .

可完全抑制缓激肽动脉注射所引起的痛反应，其ED（50）为1.3mg/只。

Conclusions The established white piglet skin ED50 for 1.318 μ m laser exposure is 9.2J/cm2.The higher the laser dose used , the heavier the skin injury be observed and the longer the time be needed for recovery .

结论1.318μm激光可致仔猪皮肤损伤的阈值剂量ED50为9.2J/cm2。激光剂量越高，皮肤损伤越重，修复所需时间越长。

Based upon the ED50 of ampicillin , the protective rates of ampicillin sulbactam and ampicillin alone were 0.97 and 0.53 , respectively , with a significant difference in the t test ( P < 0.001 ) .

与氨苄青霉素用ED50量求得的保护率比较，两者的平均保护率分别是0.97与0.53，t测验结果P<0.001，差异极显著。

In mouse heat radiation tail-flick assay and 55 ℃ hot plate assay , agmatine given by ig , at dose of 40mg / kg could reduce the ED50 of morphine analgesia by 40 % .

在小鼠55℃热板和小鼠热辐射甩尾实验中，灌胃给胍丁胺40mg／kg使吗啡镇痛量效曲线左移，吗啡镇痛ED（50）量较对照组减少40%。

The sc analgesic ED50 of DAC measured with acetic acid twisting test in mice was 0.22 + 0.06mg/kg and that measured with hotplate method by ip was 0.41 + 0.10 mg / kg .

醋酸扭体法测得DAC抑制小鼠扭体反应50%的剂量为0.22±0.06mg/kg（sc）；

For mice infected by Escherichia coli . the ED50 , value of ofloxacin injection was 0 . 26mg / kg and the ED50 Value of Norfloxacin injection was 0 . 75mg / kg .

经实验，国产氧氟沙星注射液对大肠杆菌感染小鼠的ED（50）为0.26mg/kg，诺氟沙星注射液的ED（50）。

It was found that Achyranthes bidentata saponins ( ABS ) showed significant anti-implantation and anti-early-pregnancy effects with dose-dependent , and ED50 were 96 ± 27 mg / kg and 145 ± 51 mg / kg respectively .

给小鼠灌服怀牛藤总皂甙（ABS）75150300mg／kg，表明ABS具有明显的抗着床、抗早孕作用，且呈剂量依赖性关系，其ED50分别为96±27和145±51mg／kg。

And it protected guinea pigs against Ach + His-induced asthmatic convulsions , with the ED50 being 20 . 06g / Kg ( 95 % confidence interval : 16.96 ~ 24.77 ) .

对乙酰胆碱和组胺混合液诱发的豚鼠喘息性抽搐具有保护作用，ED50为20.06g／kg（95%可信限：16.96～24.77）。

The combination study of half ED50 values of phenobarbital and allopregnanolone resulted in a 80 % of protective effect in MES test , which was higher than 50 % produced by either phenobarbital or allopregnanolone at their ED50 values respectively .

四氢孕酮对印防己所致惊厥保护作用的ED50为0.12mg·kg-1。两药各1/2ED50量的联合用药在MES试验产生80%的保护作用，高于50%。

Threshold of observable retinal injury was determined for chinchilla rabbits exposed to long pulse ruby laser light irradiation . The threshold , ED50 was 14.9mJ/cm2 and its 95 % confidence limit was 13.6 - ~ 16.5mJ/cm2 for intraocular energy density .

实验用长脉冲红宝石激光照射青紫蓝灰兔眼76只，求得视网膜凝固性损伤阈值，其ED（50）为14.gmJ/cm~2,95%可信限13.6～16.5mJ/cm~2。

Our results showed that the ED50 values on contractions of the longitudinal muscle of distal colon induced by analogs 1 , 2 and 3 were about 1.5-fold more potent , 2 - and 8-fold less potent than EM-2 , respectively .

我们的结果显示类似物1,2和3对远端结肠纵行肌收缩的的ED50（半数有效量）值比EM-2分别小1.5倍，大2倍和大8倍。