糖苷，是糖或糖的衍生物与另一类非糖物质通过糖的端基碳原子链接而成的化合物。
Glycosides are certain molecules in which a sugar part bound to some other part through its anomeric carbon to another group.
端基为氮基的树状大分子对原油不具有降黏效果。
The dendrimers of amino as end group have no visbreaking effect on the crude oil.
肟的合成和药理学评估以及酸性端基的结构变化。
Synthesis and pharmacological evaluation of oxime and acidic head group structural variations.
研究了不同的端基对聚苯乙烯的热稳定性的影响。
The thermal stabilities of the different end-functional polymers were investigated.
引进了一个端基改正因子以获得真实的重量链长分布。
An end group correction factor was introduced for getting the true weight distribution of chain length.
利用红外光谱及核磁共振法表征了双烷基聚醚的端基结构。
Structure characterization and film morphology of polyether/UV-absorbing groups containing polysiloxane;
讨论了不同的端基对偶氮生色团在自组装膜中初始取向的影响。
Influences of substituents on the orientation of the azo chromophores were discussed in detail.
再通过聚合物端基的官能团选择性修饰，可以得到多种类组合的功能化聚合物。
Then functionalized polymers with various combinations are obtained through the selective modification by the functional groups of the end groups of the polymers.
探讨了这种液体橡胶的分子量、加入量、端基种类、UP种类等因素与增韧效果的关系。
The relations of the toughening effect to the molecular weight, the content, end groups type of the liquid rubbers, up type and so on were investigated.
从计算实践中总结出“尺寸匹配原则”，以达到消除端基影响和避免模拟偏离实际的目的。
Above all, the "Principle of dimension matching" was summarized from the practice, so that the effect of chain-terminating atoms would be ignored and the deviation of simulation was reduced.
由聚丙烯腈的红外光谱端基分析证实了MST组分与铈离子反应产生的自由基能引发烯类聚合。
The end group analysis of polyacrylonitrile by IR spectrum confirmed that the free radical produced by the reaction of MST and eerie ion could initiate the polymerization of vinyl monomer.
讨论了端基对实验的紫外吸收响应以及理论的链长分布函数中各个半分散组分重量分数的影响。
The effect of the end group on the weight fraction of the individual mono-disperse species both for the experimental UV response data and the theoretical distribution function was discussed.
本发明属于高分子材料合成技术领域，具体为一种端基含多种功能基团的聚合物及其制备方法。
The invention belongs to the polymer synthesis technical field, specifically provides a polymer whose end groups contain various functional groups and a preparation method of the polymer.
以分子末端带有多官能度活泼端基的PAMAM等为原料，通过缩聚反应制备了一类新型体型缩聚物。
A novel class of three-dimensional polycondensates were prepared with PAMAM dendrimers having terminal multi-functional groups and other compounds, on the basis of polycondensation mechanism.
本发明属于功能高分子领域，特别是涉及含有苯端基短烷基链的疏水缔合聚合物及其合成方法和用途。
The present invention relates to functional polymer, and is especially hydrophobic associated polymer containing end phenyl and short alkyl chain and its synthesis and use.
本发明属于高分子材料领域，特别涉及磁性二茂铁-双端基邻苯二甲腈树脂、固化物及它们的制备方法。
The invention belongs to the high molecular material field, in particular to magnetic ferrocene-double terminal phthalonitrile resin, a cured product and a preparation method thereof.
文中就目前已报道的化合物，从中心桥键、端基及中心骨架构成的角度对该类液晶的合成进行了综合论述。
In the paper, synthesis and development of the compounds are summarized respectively from three main angles including synthesis of central bond, skeleton and substitute group.
对含取代氨端基的聚酯类超分散剂的合成方法进行了研究，并为获得适当长度的聚酯链选择了最佳合成条件。
A synthetic method for substituted amino-terminal group polyester hyperdispersants is researched and the optimum conditions for polyester chain with suitable length are chosen.
本论文研究目标是在常规阴离子聚合方法合成sbs的基础上，通过端基转化实现了SBS与极性单体共聚。
Based on the general synthesis of SBS by anionic polymerization mechanism, we have carried out the copolymerization of SBS with several polar monomers by conversion of end-group of SBS.
比较了齐聚物的端基结构、分子量大小对LP - 15树脂耐热性、冲击强度的影响，讨论了其增韧机理。
Discussed the toughening mechanism and the influence of end-cap and molecular weight on resin's Tg and impact strength.
方法：以廉价易得的谷氨酸和丙氨酸为起始原料，经端基保护、脱保护、缩合等步骤得到一个有效的合成路线。
Methods: An efficient route was started from the cheaper materials alanine and glutamic acid via protection, deprotection and coupling reactions.
以羟基作为聚醚链端基的的催化活性最高，在相同条件下，其表观一级速率常数约为的3倍， 为的30倍。
Under the same condition, the pseudo-first-order rate constant kobs (s-1) of BNPP hydrolysis catalyzed by is about 3 times that of , and about 30 times that of , respectively.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
利用普通自由基聚合中的链转移反应，分别制备了以羧基为端基的聚和以胺基为端基的聚(PNVP - NH2)。
Poly (N-vinylpyrrolidone) with carboxylic end groups and amino end groups (PNVP-NH2) were prepared by the chain transfer reaction in free radical polymerization.
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composites.
引发体系中的微量水分是影响环氧乙烷环氧丙烷无规聚醚起始端基结构，并进一步影响其分子量和使用性能的重要因素。
Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide.
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composite...
采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸，将肿瘤导向基团引入了可生物降解药物载体。
Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst.
偶合终止生成的聚丙烯腈（PAN）分子含有2个引发剂引入的硫端基，分子链长度是其他终止方式生成的分子链长的2倍。
The coupling reaction produced 2 sulfradicals in a molecular chain of PAN with the length two times than that provided by other termination methods.
偶合终止生成的聚丙烯腈（PAN）分子含有2个引发剂引入的硫端基，分子链长度是其他终止方式生成的分子链长的2倍。
The coupling reaction produced 2 sulfradicals in a molecular chain of PAN with the length two times than that provided by other termination methods.
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