negative control test的意思|示意

The EG6000 also utilizes their proprietary motion control capability that virtually eliminates negative effects on test from external vibrations encountered in the production environment.

EG6000同时也使用了伊智拥有的移动控制技术，从实质上消除了生产环境中外部振荡产生的负面影响。

To verify testing conditions, a negative control is performed using the chosen diluent in place of the test preparation. There must be no growth of micro-organisms.

为检测试验条件是否符合要求，取试验用稀释液代替供试品做一阴性对照试验，阴性对照试验应无微生物生长。

The results of dominant lethal test showed no statistical difference in the number of living, dead and resorbed fetuses between the exposed and the negative control groups.

显性致死实验结果表明各剂量组的受孕率、死胎和吸收胎数经统计学处理与阴性对照组无差异。

Figure 4 a: Amplification curves of positive and negative controls in specific test. We can see that negative control did not amplify and was a straight line.

图4 A：特异性实验中的阳性和阴性对照的扩增曲线，阴性对照在图中显示为一条直线，未见扩增。

Methods: Skin test was performed by using 20 different allergens, normal saline was negative control, histamine was positive control.

方法：用2 0种不同的变应原进行皮肤点刺试验，生理盐水为阴性对照， 组胺为阳性对照。

No obvious diversity (P>0.05) was found by comparing the negative control group with the short-term toxicity test group in terms of weight, food-intake, food utilizing ratio of the mice;

短期毒性试验的动物体重、进食量、食物利用率与阴性对照组比较，差异均无显著性（P>0.05）；