耐热的

Low melting point, low viscosity of the mixtures with alicyclic epoxy resins, long applicable period, high heat-resistance of the cured material and excellent electrical properties at high temperature, MHHPA is widely used for impregnating electrical coils, casting electricity components and sealing semiconductors, e.g.

MHHPA是炮炼凝固型酸酐类凝固剂，关键用于电气及电子方面，它拥有熔点低、与脂环族环氧松脂合成的默契物粘度低、适用期长、凝固物的耐热性高、高温电机能好等长处，可用于电气设备线圈的浸渍及电气元件的浇铸和半导体的密封，如户外绝缘子、电容器、反光二极管等、数码管等。

In the case of keeping enough energy product, to improve the coercively and reduce the temperature coefficients of the magnets reelects as so as possible. It will be truth to produce high coactivity. Low temperature, heat-resistant magnets; use the low cost composition materials.

采用合适的热处理工艺，控制组织结构，保证足够磁能积的基础上，尽可能得到高的矫顽力和低的温度系数，使低成本配比的原料生产出高矫顽力、高使用温度的耐热烧结NdFeB永磁体。

It is blended with glass fiber weft, polyester fiber warp, the fabric's elongation, flexibility and abrasion resistance can be improved, heat-resistant is better than cotton belt, it can replace cotton belt that request the stretch long rates and higher abrasion resistance of the winding of the electrical equipment insulation material packed.

一种以聚酯纤维为经纱、玻璃纤维为纬纱的混纺带，织物的伸长率、柔软性和耐磨性都得以提高，耐热性又优于棉布带，可代替棉布带用于对伸长率和耐磨性要求较高的电机电器的缠绕包扎的绝缘材料。111

The process flow of frozen boiled crawfish ,the genera of microorganism and its heat resistance and pathogenicity were analyzed in this article.

分析了出口冻煮小龙虾的生产工艺、控制微生物的种类及其相应的耐热性和致病隐患等方面，得出蒸煮是控制小龙虾生产加工过程中微生物的有效方法，并且得出影响蒸煮的因素有蒸煮数量、加工季节和虾体大小。

The results show that coal tar pitch and PMB can be used to synthesize COPNA resin, the reaction mechanism of which is a positive ion-typed condensation polymerization catalyzed by acid. There exist many micro fibers with a uniform distribution in the COPNA resin. The fibers grow with increase of modification time, and then intertwist and amalgamate. Moreover, the COPNA resin possesses good thermo-stability and high coke value.

研究表明煤沥青能与PMB合成COPNA树脂，其反应机理为酸催化下的阳离子型缩聚反应；COPNA树脂的合成中出现很多微纤，随交联聚合程度的加深，微纤相互缠结并融合；COPNA树脂具有很好的耐热性和较高的炭收率。

Some desirable properties of tool steel are high wear resistance and hardness, good heat resistance, and sufficient strength to work the materials.

工具钢的一些良好性质有高的耐磨性和高硬度，好的耐热性，足够的强度使材料成型。

The concrete steps are: the lactic acid and small-molecule dicarboxylic acid react under the condition with the presence of the catalyst to directly polymerize the carboxyl-terminated lactic acid prepolymer; then the aliphatic polycarbonate diol and the catalyst are added; with the presence of the N2, the reaction is kept for 1 to 10 hours at the temperature of 150 to 200 Celsius system to get the poly lactic acid and polycarbonate copolymer of the low molecular weight; then the reaction is done in the twin-screw extruder at the temperature of 150 to 190 Celsius system to screw out the extension chain; finally the polylactic copolymer of the high molecular weight, toughness and heat resistance is made.

具体步骤是：乳酸和小分子二元酸在催化剂条件下反应直接缩聚合成羧基封端的乳酸预聚物，然后加入脂肪族的聚碳酸酯二元醇和催化剂，在N 2 气氛下，抽真空，在150～200℃温度下，反应1～10小时，得到低分子量聚乳酸/聚碳酸酯共聚物，然后在双螺杆挤出机中在140～190℃下，进行反应挤出扩链，最终得到高分子量的、韧性与耐热性较好的聚乳酸共聚物。

Three composites of the different fibers with epoxy resin matrix are prepared and the corresponding unilateral fiber reinforced winding ring specimens are fabricated. The mechanical poperties of the composites including tensile strength, modulus and three point interlaminar shear strength are te...

对由PBO纤维与环氧树脂基体复合成型的单向纤维增强环形试样，测试了其拉伸强度、弹性模量和层间剪切强度，结果表明：PBO纤维股纱的拉伸强度比F - 12和Kevlar - 4 9分别高 2 4 4 %和 5 2 8%以上，单向纤维复合材料的拉伸强度分别高约 37 2 %和 92 8%，耐热性也高约 166℃，但PBO纤维与环氧树脂基体的界面粘结性很差，层间剪切强度仅为 2 3～ 2 7MPa 。

The results showed that,by using 2~4 phr C5 petroleum resin,the adhesion strength of TPI/NR blend improved,the heat build-up decreased,and the physical properties and thermal aging property were better,the TPI/NR blend with this formulation could be an ideal compound of TBR tire shoulder pad.

结果表明，采用2~4份C5石油树脂的TPI/NR并用胶在保持较好的物理性能和耐热空气老化性能的基础上，混炼胶粘合强度提高，硫化胶生热降低，是一种较为理想的全钢子午线轮胎胎肩垫胶配合。

In this work, methyl methacrylate, epoxy resin and unsaturated polyester resin were modified by industrial bismaleimides and liquid crystalline bismaleimides to increase the thermal stability and mechanical property of the three materials. So the ranges of the three materials useness will be enlarged.

本文采用双马来酰亚胺改性甲基丙烯酸甲酯、环氧树脂和不饱和聚酯树脂，以期提高这三种材料的耐热性能和机械性能，从而拓宽聚甲基丙烯酸甲酯、环氧树脂和不饱和聚酯树脂的应用范围，所以这一课题的研究具有重要的理论和实际意义。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。