Separate negative control group, positive control group.

另设阴性对照组、阳性对照组。

But there had no blotch in negative control.

而阴性(空白)对照则相对应位置上无斑点.

Negative control group was not detected experimental fungus.

阴性对照组未检出试验菌。

For qualitative tests, a positive and negative control must be run daily.

定性试验每天必须作一个阳性和一个阴性质控。

Culture swabs were reviewed for the 25 surgical and 25 negative control drapes.

观察在25例手术的和25例阴性对照组的布帘上取样的拭子.

Result: This identification was exclusive, the negative control had no a interference.

结果: 薄层鉴别专属性强, 阴性对照无干扰.

Negative Control is a specimen that gives no reaction under the conditions of the test.

阴性对照是指在试验条件下无任何反应的试样。

Merchandise price has negative control response on the relationship between consumer trust and purchase intention.

商品的价格对消费者信任与购买意向之间的关系有负向调节作用.

Results The degree of airsacculitis and fibrosis in model group are obviously higher than the negative control group by pathological observation.

结果肺组织病理形态学观察发现模型组小鼠肺泡炎及纤维化程度明显高于阴性对照组；