异根
- 网络suppletion
![异根](../cache/1359567.jpg)
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方法:在特定的环境和温度条件下,对PET编织纤维进行表面水解、异氰酸根反应、羧基接枝三步法的化学改性。
METHOD : At particular temperatures in a given environment modification of biological characteristics were carried out by three steps which were surface hydrolyzation , isocyanic acid reaction and hydroxyl introduction .
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蓖麻油基聚氨酯灌封胶的固化行为研究(Ⅱ)固化过程中异氰酸根含量变化和热量变化
Studies on Curing Behavior of Castor Oil-based Polyurethane (ⅱ) & NCO Content and Heat Changes during Curing
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聚脲弹性体是一种由异氰酸根预聚物和氨基化合物反应得到的具有脲键的高分子聚合物。
Polyurea elastomer is a polymer which is made by the reaction between isocyanate prepolymers and amino compounds .
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用甲苯二异氰酸酯和聚醚多元醇合成了聚氨酯预聚体,并讨论了异氰酸根含量、反应温度、催化剂用量对预聚体质量的影响。
The influences of the isocyanate content 、 reaction temperature and catalyst amount were discussed on prepolymer performance .
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异氰酸根封端的聚氨酯离子聚合物与乙酸木质素交联合成了一种水凝胶。
Hydrogels were synthesized by the crosslinking between acetic acid lignin and isocyanate ( NCO ) terminated polyurethane ionomers ( IPUI ) .
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讨论了异氰酸根含量、催化剂用量,以及树脂和固化剂配比对产品性能的影响。
The effects of isocyano-content , the amount of catalyst and the proportion of resin to curing agent on the product properties were discussed .
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研究了异氰酸根指数、不同固液比的竹废料液化产物、水分含量、催化剂用量及硅油用量对聚氨酯泡沫性能的影响。
The effects of isocyanate index , LB with different bamboo / solvent ratio , water content , catalyst amount , and silicone amount on the mechanical properties of LB-PU foams were determined .
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Mulliken自旋布居分析表明,无论是三唑桥还是异硫氰酸根桥,它们的磁交换作用机理都是磁中心的自旋离域。
The Mulliken population analyses show that in the title complexes there is a spin delocalization mechanism of magnetic coupling through the bridges .
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用密度泛函理论结合对称性破损方法(DFTBS)研究了混合桥联三核镍配合物的磁交换耦合作用.这类化合物是由三唑和异硫氰酸根桥联形成的混合桥配合物。
Calculations on the magnetic coupling interaction in the mixed bridged trinuclear nickel complexes with triazole and isothiocyanate bridge ligands have been carried out by using the density functional theory combined with the broken symmetry approach ( DFT-BS ) .
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并且,随着异硫氰酸根取代三唑桥的数目增加,配合物的铁磁作用增强,在一定意义上说明了混合桥磁耦合作用的加合性。
As increasing the number of isothiocyanate bridge the ferromagnetic characteristic is enhanced .
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选用异硫氰根修饰磁珠为载体,纳米金为标记物。
ITC-coated magnetic beads were employed as the platforms , and gold nanoparticles were selected as labels .