玻璃化

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。

Curing kinetics of epoxy resin and the effects of different compositions on curing reaction were researched by using the differential scanning calorimeters. Relationship between curing temperature and curing converting rate had been studied. Curing conditions for the system were determined. Modified nano-Al2O3/epoxy resin and core shell/epoxy resin composites were prepared by means of blending method. The influence of the composition on the properties was discussed. The thermal and dielectric properties of these composites were investigated using differential scanning calorimetry, Thermogravimetry and dielectric analyzer.

首先，论文通过差示量热扫描仪分析研究了环氧树脂与酸酐固化体系的固化反应动力学及固化工艺；然后，通过共混法和超声分散法制备了一系列纳米氧化铝/环氧树脂及核壳粒子/环氧树脂两相复合材料；进而通过DSC及热重分析仪测试了复合材料的玻璃化温度、热降解温度等热学性能，并采用介电分析仪测试分析了复合材料的介电常数、介电损耗等介电性能，讨论了组成对复合材料的热学性能及介电性能的影响。

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。

The results showed that CoPI films were amorphous state and their glass-transition temperatures T(subscript g and decomposition temperatures T(subscript d respectively occurred above 322℃ and 544℃. At the same time, the tensile strengths of CoPI films reached beyond 100MPa and breaking elongations were improved from 12% to 54%, but the average of tensile modulus was reduced by 29%. However, polyimide blends had about the same structures and properties with PMDA/ODA-polyimide.

结果表明，CoPI薄膜为非晶态结构，玻璃化转变温度和起始分解温度分别在322℃和544℃以上，断裂伸长率由12%平均提高到54%，拉伸强度均超过100MPa，但弹性模量平均降低了29%；共混PI的聚集态结构和性能与PMDA/ODA型PI相近。

We describe the use of the CDB within CORAL and the fullscale performance tests on the COMPASS Computing Farm,The CDB has been interfaced to the SCADA PVSS slow control system.

选用对凝聚态的结构和性质描述更为准确的COMPASS分子力场模型。体系进行能量优化后得到的密度和玻璃化温度的计算值和实验值的对比表明模拟体系接近于真实体系。

The non-isothermal decomposition kinetics of nylon 1010 and nylon 1010/POSS composites in nitrogen were investigated. POSS significantly increased the activation energy but had little effect on the reaction order.(5) Exploring research was carried out on the reaction between EVM and nylon 1010. The reaction between EVM and TsOH during melt mixing was also invesigated, and related reaction mechanisms were studied in terms of NMR, TGA-FTIR and etc.

五初步研究了乙烯-醋酸乙烯酯橡胶和尼龙1010在高温下的反应性，报道了EVM和TsOH在高温条件下的反应性，通过核磁共振、热重-红外联用等分析表征方法探索了相关的反应机理，EVM和TsOH反应后，EVM的耐溶剂性、玻璃化转变温度和力学性能均有所提高，而体积电阻率则显著下降。

The differential scanning calorimetry and thermal gravimetric analysis exhibited that the transition temperature and the temperature at which 5% mass loss occurred of PI-19 were 256 ℃ and 380 ℃, respectively.

示差扫描量热和热失重分析结果显示，PI-19的玻璃化转变温度为256 ℃，在5%的热失重温度为380 ℃，表明具有非常好的热稳定性。

The structure of the copolymer was characterized by infrared spectrum, glass transition temperature and maximal heat decomposition temperature were analyzed by different scanning calorimetry and thermo gravimetric analysis.

利用红外光谱表征了共聚物结构，利用差示扫描量热法和热重分析测试了共聚物的玻璃化转变温度和最大热分解温度。

The mechanical analysis showed that the effect of the DMSO was better than glycerol and glycerol/water.

动态力学和拉伸力学性能测试结果表明，经过DMSO的增塑，有效降低了淀粉的玻璃化转变温度，改善了材料的韧性，增塑效率要好于甘油及甘油／水复合增塑体系。

Liao source building glass products cover a number of types of building glass, the existing production lines, including two of the level of steel line, two lines of bending steel, a Low-E glass fiber reinforced plastic of line, two folders plastic glass production line, a hollow glass production line A GLAZE glass production lines, two bending glass production line, two one-step color folder folder wire glass production lines, three bilateral milling machine, automatic glass cutting machine Paul Quintero, many Units milling machine, positioning drilling machine, different line milling machine, Beveling machine, such as production equipment.

燎源建筑玻璃产品涵盖了多个种类的建筑用玻璃，现有生产线包括两条水平钢化线、两条弯钢化线、一条Low-E玻璃钢化线、两条夹胶玻璃生产线、一条中空玻璃生产线、一条彩釉玻生产线、两条热弯玻璃生产线、两台一步法彩夹夹丝玻璃生产线、三台双边磨边机、全自动保特罗玻璃切割机，多台磨边机、定位钻孔机、异行磨边机、斜边机等生产设备。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新