The difference in activity between 2-oh and 3-oh for the tosylation reaction has been explored.
在制备过程中，对2OH和3 OH的对甲苯磺酰化反应活性差异进行了初步探讨。
The experiment found that though there was no difference in performance - the tasks were very easy - the level of activity in the subjects' brains differed, suggesting different levels of effort.
这项实验发现，尽管表现没有区别——任务相当简单——被研究对象脑部的活动级别不同，显示了努力程度不同。
An hour and a half after waking, early birds and night owls were equally alert and showed no difference in attention-related brain activity.
在醒后一个半小时，早鸟和夜猫子表现的同样机警，与注意力相关的大脑区域的活动也差不多。
Hopefully, as a proactive security analyst, you can make a difference in helping to slow down this malicious activity within your organizations as well as outside of them.
希望您作为主动出击的安全分析师，在帮助减少组织内部和外部的这种恶意活动中发挥重要作用。
Despite the difference in brain activity on and off estrogen, participants' scores did not change.
虽然在有无雌激素的条件下，大脑的活动有所差别，但是参与者的得分没有改变。
The difference is in the request URI, in which specific data is recorded for each activity.
区别在于请求uri，其中记录了每个活动的特定数据。
The system lights up each key on the keyboard but is able to notice a difference in brain activity when the desired letter for input is lit.
该系统点亮键盘上每个键，当想要的字母出现时，可以观察到大脑活动 的变化。
Activity difference of Dawangzhuang nosing structure at different stages restricts the tectonic framework in this area, so affects formation and type of oil pool.
大王庄鼻状构造不同时期活动性的差异制约着该区的构造格局，从而影响了油藏的形成和类型。
In all areas of our activity — new products, manufacturing systems, technology, customer service and even our local communities — it is Holset people who make the difference.
在我们运作的各个方面，包括新产品、制造系统、技术，顾客服务，甚至是公司所在的社区，都是霍尔·塞特的员工在起着决定作用。
The NO content and total NOS activity in the aging and medicine group were higher than those in the aging group(P< 0.05), while there was no significant difference in inducible NOS activity.
老龄用药组一氧化氮量及总一氧化氮合酶活性均高于老龄组（P<0.05），诱导型一氧化氮合酶活性差异无显著性（P>0.05）。
There were certain difference between male and female Amur tigers in time budget and activity rhythm.
结果表明，雌雄东北虎的行为时间分配和活动节律均存在一定的差异。
At the same time the difference of the solubility to the isomeric compound Anthracene and Phenanthrene in the different solvents is discussed by the aspect of the activity coefficient.
同时，还对蒽、菲同分异构体在不同溶剂中的溶解度的差异，从活度系数方面进行了探讨。
There is difference between modern distance teaching and traditional teaching in terms of learning environment and teaching activity.
现代远程教学同传统教学在学习环境、教学活动等方面有很大的不同。
There was no significant difference in outdoor activity and sleep status between the two groups (P>0.05).
两组受试者户外活动和睡眠间差异无显著性意义（P>0·05）。
The activity of NK cell in middle and high dosage group had obvious difference as compared with the control group(P<0.01).
高剂量组的NK细胞活性均高于对照组，且差异有显著性意义（P<0.01）。
Little difference in the activity was observed before and after regeneration, which means that coke formation was the major reason of catalyst deactivation.
再生后催化剂活性与新鲜催化剂相差无几，说明主要是由于积炭而导致失活。
There was no significant difference in pheromonostatic activity among extracts prepared from accessory glands of various dayage males.
不同日龄雄蛾性附腺提取物的抑制活性无显著差异。
There was significant difference in GST activity, JBM GST activity were 1.10 and 1.07 times as much as JBW respectively under different enzyme units.
JBW两品系谷胱甘肽转移酶活力差异显著，用不同单位表示酶活力时JBM和JBW酶活力比值分别为1.10和1.07；
There was significant difference between control and epileptic group. Conclusion The results suggest that the activity of GABA ergic neurons enhanced in chronic seizures.
结论在慢性癫痫发作中，GABA能神经元的活性增强，考虑是由于癫痫过程中兴奋性增强，引起GABA能神经元抑制功能代偿性增加的结果。
There were significant difference between group A and group B in the prognosis neurological deficit scores(NDS) and activity daily living(ADL) (P<0.05).
两组预后神经功能缺损评分和日常生活质量评分比较有显著性差异（P<0.05）。
Although higher protease activity was found in more severe clinical isolates, there is no significant difference between protease activity and disease severity.
在蛋白水解酶活性方面，虽有随疾病严重度增加而上升的倾向，但差异并不大。
There was no difference in DD genotype(P>0.05), but ACE activity in DI and II genotype were significant higher respectively (P< 0.01 ).
两组ACE活性DD型间差异无统计学意义（P>0.05），而DI型间和II型间患者组明显高于对照组（均P<0.01）。
Results In the group of ROU patients, the activity of SOD was lower compared with controls, there was a significant difference in statistics(P<0.01).
结果复发性口腔溃疡患者的SOD较健康对照组明显低下，有显著性差异（P< 0 。0 1）。
There is difference in expression and activity of DME between in tumor tissue and in non-tumor tissue.
DME在肿瘤组织和非肿瘤组织表达和活性存在差异。
The PAD activity in pleural effusion and peripheral blood in tumor group had no significant difference(P>0.05), PADA /SADA<1;
肿瘤组患者胸腔积液和自身外周血中ADA活性间差异无显著性意义（P>0.05），PADA/SADA<1；
The PAD activity in pleural effusion and peripheral blood in tumor group had no significant difference(P>0.05), PADA /SADA<1;
肿瘤组患者胸腔积液和自身外周血中ADA活性间差异无显著性意义（P>0.05），PADA/SADA<1；
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