Positive and negative control groups were established.
设阳性及阴性对照组。
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。
Results:The placental trophoblastic cells had strong positive reactions while the control groups showed negative reactions.
结果：胎盘郎汉斯细胞及合体细胞呈现阳性反应，而阴性对照无反应。
The two groups were compared in respect to the control in negative moods and survival quality.
比较情绪干预前后两组患者负性心理控制情况和生存质量评分的差异。
Comparison of tie results of the high dosage groups of amiprophos and of MMS with that of the negative control (P<0.01) showed marked significance as well a dose response.
高剂量组及MMS与空白对照组比较，有非常显著意义（P<0.01），且有剂量效应关系。
Compared with negative control group, the doubling time of both positive control group and experimental groups was prolonged.
与阴性对照组比较，阳性对照组和实验组细胞群体倍增时间增加。
The control groups were negative.
对照组则染色阴性。
Results: Compared with the negative results both in control and UDCA preventive groups, cholesterol crystals and stones were found in 9 and 6 out of 10 gallbladders respectively in lithogenic group.
结果：结石组6只（6 / 10 ）出现胆囊结石，9只（9/10 ）出现胆固醇结晶，UDCA组和对照组无结石及结晶出现；
Methods 3month old APP695 transgenic mice were randomly divided into model and Yizhi treatment groups, and negative transgenic mice were selected into normal control group.
方法APP695转基因小鼠分为AD模型组和益智汤治疗组，同月龄同背景转基因阴性小鼠为正常对照组。
Compared with the negative control group, the Zn, fe, ca, Mg concentrations of the low, moderate and high DHPO groups were not significantly different.
低、中、高剂量组的大鼠肾脏中锌、铁、钙、镁的含量与阴性对照组相比差异均无统计学意义。
Results: the placental trophoblastic cells had strong positive reactions while the control groups showed negative reactions. C...
结果：胎盘郎汉斯细胞及合体细胞呈现阳性反应，而阴性对照无反应。
Results: the placental trophoblastic cells had strong positive reactions while the control groups showed negative reactions. C...
结果：胎盘郎汉斯细胞及合体细胞呈现阳性反应，而阴性对照无反应。
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