耐热性

PP1740 copolymer is a multi phase copolymer,composed of homo-polypropylene,ethylene-propylene rubber,and crystallizable propylene-ethylene copolymer.Homo-polypropylene part offers rigidity and EPR part offers impact strength.The relative ...

研究结果表明，PP1740共聚物由均聚聚丙烯、乙丙橡胶和可结晶的乙丙共聚物组成，具有优良的机械性能；均聚聚丙烯为PP1740共聚物提供刚性，乙丙橡胶可提高PP1740共聚物的抗冲性能；PP1740共聚物的相对分子质量分布呈多分散性，相对分子质量分布较宽；乙丙橡胶的相对分子质量较大，以直径1～2μm球型微粒均匀分布在聚丙烯基体中，有利于提高PP1740共聚物的冲击强度；PP1740共聚物的熔点较高，耐热性好。

Compared to the European barley variety Triumph, the levels of enzymatic activity and thermostability of limit dextrinase ost Chinese barley varieties are low, except for ZDM1616, which is nearly equal to Triumph.

同Triumph相比，供试的20个国产大麦极限糊精酶活性、耐热性普遍较低，仅ZDM1616与Triumph略为接近。

The connectors 2 and 5 have high thermal stability, but their solubility in most organic solvents, such as THF or diethyl ether, is very limited.

连接器2和5有高耐热性，但他们的可溶性在多数有机溶液，例如THF或二乙基醚，是非常有限的。

It exists big difference in the organic pigments from domestic and abroad through test heat loss and dispersity.

通过对有机颜料的热失重和分散性试验表明，国内颜料与国外颜料还存在较大的差距，应采用表面改性和接枝来改善国内颜料的耐热性。

As a result of the poor impact behavior of polypropylene at low temperatures, blending PP with an elastomeric phase is often performed.

然而，弹性体的加入往往伴随着PP刚性和强度的大幅度降低，多数情况下还会影响到PP的耐热性和流动性能。

Feature: Material quality by fiberglas material and high heat-proof sexual composite material synthesis, 100% not does contain to human body harmful asbestos ingredient.

特点：材质由玻璃纤维材料和高耐热性的复合材料合成，100%不含对人体有害石棉成份。

Comparison the structure and the properties of different samples, the electrorheological characteristic of SiO2/PU which was prepared by in-situ hydrolyzation were focused on.

研究结果表明，二氧化硅对水性聚氨酯具有增强增韧的作用，交联和丙烯酸双重改性对水性聚氨酯的耐热性和耐水性都有很大程度的提高。

At the present time, It is a major method of research on the thermostability of thermozymes to compare the homology of amino acid sequence between thermozymes and mesophilic enzymes.

螺旋的稳定性使嗜热酶在二级结构上更稳定。在高级结构中，&额外&的离子键、疏水作用、氢键、寡聚体的形成等对嗜热酶的耐热性起主要作用。

The relative conductivity of leaves, ultrastructural changes of mesophyllous cells under heat acclimation and heat stress, the differences in gene expression of leaves under hest shock can be used as physiologic, cytologic and molecular biologic indexes respectively for evaluating heat tolerance.

在热锻炼和热胁迫过程中叶片相对电导率、叶肉细胞超微结构的变化，以及热击条件下叶片基因表达差异，可分别作为耐热性评价的生理学、细胞学和分子生物学指标。

According to the mass ratio of 5 to 1 between dicyandiamide and 2-ethyl-4-methyl imidazole, the curing system belongs to a mesothermal latent curing agent. The results show that curing products have good heat resisting property.

2所选用的固化剂体系由双氰胺和2-乙基-4-甲基咪唑组成，两者按5：1质量配比组成的体系属于中温潜伏型固化剂，环氧固化物具有良好的耐热性。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。