目的:观察快速和传统方法聚合热凝基托树脂后其力学性能的变化。
OBJECTIVE: To observe the effects on the mechanical properties of denture base resin polymerized by different methods.
科学家们分析了热响应性聚合物的水溶液。
The scientists analyze the aqueous solutions of thermoresponsive polymers.
通过聚合链反应或ELISA酶标法测试,共有超过25例人类样本被证实为裂谷热阳性。
More than 25 human samples have proved positive for Rift Valley fever by PCR or ELISA testing.
通过聚合链反应或ELISA酶标法,已发现25例以上的人类样本为裂谷热阳性。
More than 25 human samples have been found positive for RVF by PCR or ELISA.
生产方法是乳液聚合,和苯乙烯-丁二烯橡胶的生产过程相似,得到“热”橡胶和“冷”橡胶。
Produced by emulsion polymerization in a similar way to styrene-butadiene rubber processes, yielding both "hot" and "cold" rubbers.
这为聚合物驱在蒸汽热采油藏中应用提供了现实条件。
This made the application of polymer flooding in steam-assisted recovery practical.
光引发聚合作为区别于热引发聚合的一种合成手段,具有许多优越性和实用性。
Photopolymerization has many advantages and applications as one kind of synthesis technology which differs from therm polymerization.
本工作是研究掺C_(60)有机聚合物热光特性对不定位干涉的作用。
Nonlocalized interference influenced by thermo-optic effect of C60 dopedpolymer film is invested in this paper.
并用元素分析、红外光谱和热重分析等方法研究了聚合物的结构与性能。
The polymer structures were studied by means of IR spectra and chemical composition analysis. The polymer properties such as thermostability and hydrophobicity were also determined.
聚合物的热传递性质在聚合物的工艺加工和使用方面起着至关重要的作用,因此对聚合物的热传递性质进行研究是非常重要的。
The study on thermal transport properties of polymers is very important because of the crucial role played by these properties in both processing stages and product USES.
在不同混炼时间及热老化时间下,共混物的黄度指数相对纯聚合物有明显提高。
The yellow index of blends at different mixing time and thermal aging time increased obviously than that of pure polymer.
聚酰亚胺是一类高性能的聚合物,它可由其前驱体聚酰胺酸经热或化学亚胺化而得到。
Polyimides are important high-performance polymers which can be made by thermal imidization and by chemical imidization of their precursors poly(amic acids).
热稳定剂是一类能防止或减少聚合物在加工使用过程中受热而发生降解或交联,延长复合材料使用寿命的添加剂。
Thermal stabilizers is a class of additives to prevent or reduce polymers heat in the processing then to be degradation or cross-linking, to extend the lifecycle of composite materials.
文章简介了它的结构、性能、热稳定机理及其在聚合物加工中的应用。
Its structure, properties, thermal stabilizing mechanism and its application in polymer processing were described.
采用差示扫描量热(dsc)法和毛细管流变法对高聚合度聚氯乙烯(hpvc)的凝胶特性进行了研究。
The gelation character of PVC with high degree of polymerization (HPVC) was determined with DSC and zero-length capillary.
用热致液晶聚合物(TLCP)与热塑性塑料(TP)共混制备原位复合材料是增强高分子的重要途径。
Preparing in situ composite by blending thermoplastic polymer (TP) with thermotropic liquid crystalline polymer (TLCP) is one of important approach to reinforce polymer.
针对热塑性聚合物在锥形量热仪中燃烧测试时的熔融行为,提出了有限厚度的聚合物固体一维不稳态燃烧微分模型。
Based on the study of melting behavior of thermoplastic polymers tested in the cone calorimeter, a differential numerical model for one-dimensional unsteady burning of polymers was put forward.
介绍了在VC悬浮聚合中添加碳酸钙填料和热稳定剂,合成可直接用于加工成型的PVC专用粉料的开发工作。
By adding calcium carbonate filler and thermal stabilizer in the VC polymerization processing, PVC special-use resins ready for processing were synthesis.
结果表明:塑料在水浴热聚及气压聚合化方法之间其应力水平无统计学差异。
The results indicated that there was not statistical differences between two curing methods is in water bath or under pressure.
热致相分离法是一种制备聚合物微孔材料的有效方法。
Thermally induced phase separation (TIPS) process is an effective way of making microporous materials.
用红外光谱和热分析方法对聚合物进行了表征和分析。
The macromolecular polymer was characterized and analysed by IR and TG-DTA.
与本体聚合相比,在溶液聚合中对反应热的控制比较容易。
Thermal control is much easier in solution polymerization compared to bulk polymerization.
综述了环氧树脂的树脂合金化增韧改性,着重讨论了热塑性树脂、热致液晶聚合物和互穿网络结构等环氧树脂增韧改性新技术。
It reviewed epoxy toughened by resin alloy, and discussed several new technologies of toughening epoxy such as modified by thermoplastic resin, thermotropic liquid crystal polymer and IPN.
本文重点讨论了聚合物的组成与性质的关系,热谱特征和液晶相行为。
The relationship of composition and properties, DSC thermogram characters and mesomorphic behavior were discussed.
聚合物的液晶行为用DSC、偏光显微镜和X射线衍射进行了表征,发现单体有热致液晶性;
The liquid crystalline behavior of the copolymers was characterized by DSC, polarizing microscopy with a heating stage and X ray diffractometer.
主要研究了高聚合度聚氯乙烯(H PVC)的热稳定性和热分解过程以及光老化对HPVC性能的影响。
The heat stability, thermal decomposition behavior and the effect of light aging on performance of HPVC were studied.
从聚合物改性水泥的水化速率、水化热及水化生成物三方面讨论了聚合物对水泥水化的影响。
In this paper, the influences of several water-soluble polymers on the hydration of cement were studied.
将其用于聚合物pvc中,可以起到阻止PVC热分解的作用。
When used in the polymer PVC, it can play a role in preventing PVC thermal decomposition.
将其用于聚合物pvc中,可以起到阻止PVC热分解的作用。
When used in the polymer PVC, it can play a role in preventing PVC thermal decomposition.
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