查询词典 atactic

Polyacetaldehyde may exist in atactic , syndiotactic and isotactic forms.

聚乙醛可以以无规，间同和全同形式存在。

Combining PRISM theory, MD simulation and Variational method, a single-site semi flexible model is proposed to describe atactic polystyrene melt.

结合PRISM理论、MD分子模拟和变分法，得到了可以描述聚苯乙烯熔体的单点半柔性链模型，提出了一个研究实际聚合物体系的有效方法。

The products were characterized by 13C NMR, DSC and tensile strength measurement. The high molecular weight atactic polypropylene had a good elasticity.

用13C NMR、DSC、拉伸实验对产物进行了表征，结果表明所得产物为高分子量的无规聚丙烯，具有良好的弹性。

The stess yielding mechanism of aged atactic polystyrene was studied by use of mechanical tension, differential scanning calorimetry and solvent-swelling.

利用机械拉伸、示差扫描量热以及溶剂溶胀等方法研究了物理老化后的无规聚苯乙烯的应力屈服行为，并从凝聚缠结的观点对实验结果进行了解释。

Polyacetadehyde may exist in atactic , syndiotactic and isotactic forms.

聚乙醛它和聚烯烃一样，可以以无规，间同和全同形式存在。

The fractionation, viscosity and light-scattering measurements for three types of polystyrene, i.e., atactic, isotactic and 1:1 mixture of the two, were studied.

本文报导了有规立构聚苯乙烯，无规立构聚苯乙烯和1∶1混合有规和无规立构聚苯乙烯的分级、粘度和光散射测试结果。

The calculation result of molecular dynamics simulation was received using the minimization in molecular mechanics method, which indicates that the optimized configuration is one-to-one hydrogen bonds of the double chains of atactic PVA .

通过分子动态模拟，对所使用的两个具有无规结构的聚乙烯醇链进行能量优化，结果表明，当两个聚乙烯醇分子中的羟基形成了一对一的氢键时，能量最低，体系最稳定。

Only a single glass transition temperature appeared in the dynamic mechanical spectra indicating atactic copolymers were obtained.The tensile strength and water resistance are higher than those of samples parpared by conventional emulsion polymerization method.

三元共聚物在动态粘弹谱图上只出现单一的玻璃化转变温度峰，是完全的无规共聚物，拉伸强度明显大于常规乳液聚合方法得到的聚合物，耐水性也得到显著提高。

Atactic polystyrene of larger molecular weight and narrower molecular weight distribution is prepared compared with the bulk polymer obtained outside the template.

以二氧化硅胶体晶为模板制备了无机/有机聚合物有序杂化体和聚合物孔材料，研究了聚合物在亚微尺度受限状态下的形成和性质。

Results of DSC determinations show that an adequate content of atactic polystyrene is favourable of the crystallization of isotactic polystyrene,but the addition of more aPS linearly decreases the crystallinity of iPS because of the dilution effect.

DSC测定表明，产物中的无规物有利于等规聚苯乙烯结晶，但对结晶的熔点有降低作用。向产物加入更多的aPS则由于稀释效应而使iPS的结晶度线性下降。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。