分子可以由直链或支链组成。
Molecules can consist of a straight chain or a branched chain.
核蛋白晶体构造是一种由三条大型分子链组成的三聚体，每一条支链形状就象鸡冠一样。
The crystal structure of the nucleoprotein is a trimer, with each monomer molecule shaped like a crescent.
通过大分子反应，合成了一类主链带羧基、磺酸基，支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
茂金属聚乙烯的分子链长支化结构对其流变特性有重要影响，长支链可以使熔体弹性和剪切变稀效应明显增强。
The molecular long chain branch structure of metallocene polyethylene has great effects on it's rheological behavior, long chain branch can significantly enhance melt elasticity and shear thinning.
利用粘度法测定聚丙烯酸支链的平均分子量，红外光谱法分析接枝共聚物的结构。
This paper studies the average molecular weight of branched chain of poly ( acrylic acid) by viscosity method. The structure of graft copolymer is also measured by IR method.
哺乳动物氨基酸的跨膜运输由多种氨基酸转运载体蛋白介导，其中L型氨基酸转运载体1（LAT1）属于L系统，主要转运大分子支链氨基酸和芳香族中性氨基酸。
L-type amino acid transporter-1 (LAT1) is a member of the sodium-independent amino acid transport system L and transports large branched-chain and aromatic neutral amino acids.
研究表明，分子体积、分子支链化程度以及分子表面的静电分布等定量结构参数可以有效地估算有机物的临界体积。
It was suggested that quantitative structure parameters or molecular descriptors can give effective prediction of the critical volume.
通过在有机硅聚合物的分子链上接枝聚丙烯酸酯支链的方法，制备出有机硅-丙烯酸酯接枝共聚树脂。
Graft copolymer of silicone -acrylic ester has been prepared by grafting acrylic ester on organic silicone polymeric chain.
有些高分子带有支链，称为支链高分子，属于线型结构。
Some polymer with a branched chain, known as the branched-chain polymers, are linear structure.
我们分别考察了不同分子量大小、不同结晶行为和不同支链结构对PE流延基膜硬弹性的影响。
The influence of different molecular weights, crystallization behavior and branched chain structures on hard elastic behavior of PE cast films was investigated.
本发明的目的在于提供支链末端容易修饰、支化系数高、而且分散窄的多支链高分子。
The aim of the present invention is to provide a multi-branched polymer, in which branch terminals can be easily modified and which have a high degree of branching and narrow dispersion.
本发明的目的在于提供支链末端容易修饰、支化系数高、而且分散窄的多支链高分子。
The aim of the present invention is to provide a multi-branched polymer, in which branch terminals can be easily modified and which have a high degree of branching and narrow dispersion.
应用推荐