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Acrylate monomer ratio was computed by Fox equation which was used to design the glass temperature of acrylate resin.

通过Fox方程设计丙烯酸树脂的玻璃化温度以确定各类丙烯酸单体的配比,对所得到的丙烯酸树脂性能进行了讨论分析。

Compared with homo-polymimdes and copolymimdes,PAIs can evidently improve mechanical properties while maintaining excellent solubility,high Tg and thermal stability of fluorenyl cardo polyimides.

与均聚PI,共聚PI相比,PAI在维持芴基Cardo型PI优异的溶解性,高的玻璃化转变温度及热稳定性的同时,明显改善力学性能。

The main factors,which effect the thermal stability of poled polymer films,were analyzed including glass transition temperature and free volume of polymer.

文章还分析了影响极化聚合物热稳定性的主要因素,包括聚合物的玻璃化转变温度,自由体积等。

Vitrifying normospermatozoa in droplets without cryoprotectants can achieve a good result to a certainty;further studies should be carried out.

无保护剂的微滴法玻璃化冷冻正常人类精子可以取得较理想的结果;但需进一步探索以提高其复苏率。

The glass transition temperature of the polymers carrying crown ethers as side groups increased when alkali metal ions were added, because the oxygen-metal coordination will lead to the polymer to have order structure.

含有冠醚侧链的高分子在加入碱金属离子后,由于冠醚与金属离子的络合作用导致高分子形成有序结构而刚性增强,其玻璃化转变温度明显提高。

Following this information, many approaches to degrade the glass transition temperature and crystalline of polymer electrolyte, such as linear copolymers based on PEO, comb polymers with short pendent solvating chains, network polymers and so on, are performed to obtain polymer electrolytes in an amorphous form stable at room temperature.

因而,使高分子接上柔性PEO支链、嵌段共聚、轻度交联、共混等降低结晶度和玻璃化温度的通用手段,成为提高高分子固体电解质室温电导率的重要途径。

Y. Roos, Melting and glass transition of low molecular weight carbohydrates.

王振宇。淀粉的玻璃化转变及其对食品品质的影响。

And non-tacky pourable mean PCR244 could be prepared and yield of particles with size below 0.9mm was 98. 6wt% and above.

在此玻璃化温度范围内,可获得不自粘、流动性良好,粒径小于0.9mm产物的成粉率在98.6wt%以上,粒径均一的PCR244。

Molecular mechanics and molecular dynamics methods have been used to investigate the glass transition of three different configuration of polypropylene.

应用分子力学和分子动力学的方法对3种不同构型聚丙烯高分子的玻璃化转变温度进行了模拟。

Onset decomposition temperature of the polyimide was at 508 ℃ under nitrogen atmosphere, and its glass-transition temperature was at 288 ℃. The polyimide film had strengths at break at 91 MPa, elongations to break of 10%~15%, and initial moduli at 1.7 GPa.

此外该聚醚酰亚胺还表现出良好的热性能和机械性能:玻璃化转变温度在288 ℃,氮气中起始分解温度在508 ℃;该聚合物薄膜的拉伸强度为91 MPa,断裂伸长率在10%~15%,起始模量为1.7 GPa。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力