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1.It clearly explains the relation of the three effects:the ECB effect, the TN effect and the twist angleψ∈(0°,90°).
它能够比较好地解释ECB效应、TN效应和扭曲角φ∈(0,90°)三种效应之间的关系。收藏指正
2.With thick polyester crepon as the research target, the paper analyses the major fabric technical Pa-rameters such as weft size, weft density, weft twist and creping conditions such as creping temperature,the, etc affecting the crepe effect.
以粗特涤纶顺纤绉织物为研究对象，分析了织物的主要技术参数（如纬丝纤度、纬密、纬丝捻度等）和起经工艺条件（如起绉温度、时间等）对绉效应的影响规律。收藏指正
3.In this paper the effect of the track twist irregularity on the train derailment safety is analysed on the basis of dynamic analysis of train-tangent-track space-coupling time-varying system,and the limitation of the track twist irregularity in the line maintenance principle is assessed.
应用列车-轨道空间耦合时变系统振动分析理论，分析了轨道三角坑对列车脱轨安全性的影响，并就现行铁路线路维修规则中对轨道三角坑的限值进行了评估。收藏指正
4.Abstract: In this paper the effect of the track twist irregularity on the train derailment safety is analysed on the basis of dynamic analysis of train-tangent-track space-coupling time-varying system,and the limitation of the track twist irregularity in the line maintenance principle is assessed.
文摘:应用列车-轨道空间耦合时变系统振动分析理论，分析了轨道三角坑对列车脱轨安全性的影响，并就现行铁路线路维修规则中对轨道三角坑的限值进行了评估。收藏指正
5.Of 53 cases who received the said therapy,the curative rate is 92.5% as against 72.3% of the 47 cases in the control group,the curative effect being remarkable(P<0.05), The improved therapy proves more effective than flat—shallow—inserting needle manipulation with constant twist
补泻组53例有效率92.5%. 对照组47例有效率72.5%,疗效显著(P<0.05),提示补泻手法明显优于持续捻转的平针法。收藏指正
6.Abstract: Aim To synthesize isonucleoside-incorporated oligonucleotides and investigate their binding abilities with complementary sequences.Methods The synthesis was performed on DNA synthesizer, and the binding behavior was investigated by thermal denaturation studies.Results Four kinds of single isonucleoside containing oligonucleotides were synthesized.The results of thermal denaturation showed that the existence of isonucleoside decreased the stability of duplex, and the effect was more obvious when the isonucleoside was in the middle of the sequence.No obvious difference was observed when 6′-OH of isonucleoside was free or was protected by allyl group.Conclusions The existence of isonucleoside in oligonucleotide makes chain twist and decreased the stability of duplex.
文摘:目的合成异核苷掺入寡核苷酸并考察它们与互补序列的结合能力.方法采用DNA固相合成仪合成寡核苷酸,通过热变性实验考察双链的稳定性.结果合成了四条单异核苷掺入的寡核苷酸,热变性实验结果发现异核苷的引入降低了双链的稳定性,当异核苷处于寡核苷酸链的中央时,这种影响更为明显.异核苷6′-OH处于游离和烯丙基保护状态时的结果没有显著差异.结论寡核苷酸中的异核苷使链发生扭曲,从而导致双链稳定性降低.收藏指正
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