The quantitative investigation of the relationship between content of short branched chain methyl and crystallinity in polyethylene was studied by using infrared spectrum technology and differential scanning calorimeter.
分别用红外光谱技术与差示扫描量热仪定量研究了聚乙烯短支链甲基含量与其结晶度的关系,详细讨论了短支链甲基含量对聚乙烯结晶形态的影响。
The recent research progress in characterization of long and short branched chains in polyethylene were reviewed.
综述了支链聚乙烯分子中长支链和短支链的表征方法,评价了已报道的各种表征方法的优缺点,指出了 目前在表征方法上的新要求。
The molecular segregation effects on the crystallization, melting and crystal morphologies of metallocene SCBPE have been investigated with DSC and TEM.
以美国Exxon公司生产的茂金属短支链聚乙烯 (SCBPE)为研究对象 ,用DSC热分级方法研究了不同支链含量聚乙烯的支化非均匀性 ,并用TEM表征茂金属聚乙烯在不同条件下熔体结晶的形态 。
An Improved Routing Algorithm of P2P Network Base on Shortest-chain Character
一种基于短链特性的P2P路由改进算法
Quantum Chemistry Study on the Mechanism of Short Chain Branching in HPPE;
HPPE中短支链生成机理的量子化学研究
Preparation of cationic short branched-chain perfluoroalkyl-based water and oil repellent finish agent
阳离子型短支链全氟烷基拒水拒油整理剂的制备
Synthesis and Characterization of Short-Chain Branched Polyethylene with Controlled Structure
结构可控短链支化聚乙烯的合成与表征
nascent dna fragment
新生 dna 短链
Short-term Forecasting for Human Resources of PBC Based on Markov Chain Theory;
基于马尔可夫链的央行分支机构人力资源的短期预测
short-chain alkylarenesulfonate
短链烷基芳基磺酸盐
y[s/Ta C"O*Qo?l~K+Eu%h:L,Vych:L;HEgFen(Eleo3
棉条纹绒布拉链外短衣
chain breast machine
短工作面链式截煤机
The nonpolar segments of surfactauts include straight-chain and branched alkyl groups.
非极性链段包括直链和支链的烷基。
take two links out of the chain to shorten it
取下两个链环把链子弄短
stub-supported coaxial
短截线支撑的同轴线
stub-supported line
短截线支撑的传输线
viz. two fowling-pieces, for I had three in all; and three muskets, for of them I had eight in all;
包括两支鸟枪和三支短枪。因为我一共有三支鸟枪和八支短枪
hood hinge rod bracket
机罩的铰链拉杆支架
branched structure of macromolecular chains
高分子链的支化结构
The nonpolar segments of surfactants include straight-chain and branched alkyl groups.
非极性表面活性剂链段包括直链和支链的烷基。
A short chain or ribbon attached to a pocket watch and worn hanging in front of the vest or waist.
表链佩戴在马甲或腰前的与怀表连接的短链或短带
An ornament or seal attached to such a chain or ribbon.
表链上的饰物连接在此种短链或短带上的饰物或标记
