Rectifier diodes cannot be used directly in parallel, because the diode heat resistance have differences, will reduce the reliability, it is better to a set of current of diode.
整流二极管不可直接并联使用，因为二极管的热电阻有差异，会使可靠性降低，最好用一组电流大的二极管。
The tensile strength, heat resistance and processability of the system decrease slightly with the increase of superfine wollastonite amount.
随着超细硅灰石用量的增大，体系的拉伸强度、耐热性能和加工性能都稍有下降。
It has good heat resistance, cold resistance, chemical stability, and the supply of abundant and cheap.
它有很好的耐热性、耐冷性、化学稳定性，而且货源丰富，价格便宜。
Pump cover material with steel ZG230-450 more, can also be used ductile iron, the latter two materials contrast of wear resistance and hardness and heat resistance to be because the former.
泵体、泵盖的材质采用铸钢ZG230-450的较多，也可以采用球墨铸铁材质，两种材质对比后者的耐磨性和硬度以及耐温性要因为前者。
Nickel has a high corrosion resistance to acid and alkali, rust and heat resistance at high temperature.
镍对酸碱有较高的耐腐蚀才能，在高温下有防锈和耐热才能。
New rib and lug type pattem ensures an excellent compositive performances , liwer rolling resistance, high - speed riding ability, heat - resistance, wearability .
纵横混合花纹具备优越的综合性能，滚动阴力低，行驶速度快，优良的耐热和耐磨耗性能， 有很高的经济实用性。
The performance evaluation results showed that the plugging agent had heat resistance, salt tolerance, strong adsorption, and better selectivity.
对该堵水剂的性能评价表明，它具有耐温、耐盐、吸附性强、选择性好的特点。
Loose hole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
On the contrary, introducing inorganic component into organic material may enhance its rigidity, heat resistance and ageing-resistant performance.
反之，将无机组分引入有机材料中则可以提高其刚性、耐热性和耐老化性能。
A new surfacing electrode with wear, corrosion and heat resistance properties is developed by the technology of CAD in this paper.
本研究采用CAD技术研制出一种具有优良耐磨、耐蚀、耐热性的堆焊焊条。
The main objectives lie in reduction of size and weight of wires and cables and increase in their flexibility, hot water resistance and heat resistance.
其主要目的在于减小线缆的尺寸和重量，增加了线缆的柔软性、耐热水性和耐热性等机械物理性能。
VALOX resin, both heat resistance, chemical resistance, has a unique design advantage, exceptional processability and surface appearance.
VALOX树脂，兼具耐热性、耐化学剂性，拥有得天独厚的设计优势、异乎寻常的可加工性能和表面外观。
So it is not practical to improve the heat resistance significantly in breeding by heterosis, but it is supposed to select the heat tolerant parent in breeding.
因此在耐热育种中单纯利用杂交优势试图获得超亲优势来显著提高耐热性是不现实的，而应该注重耐热亲本的定向选择。
To study the characteristic of heat resistance for Listeria monocytogenes in powdered milk.
对奶粉中单增李斯特氏菌的热抵制特性进行研究。
Dress heat resistance, air temperature and air speed are the three main factors affecting thermal comfort.
服装热阻、空气温度及气流速度是影响人体热舒适性的三个主要因素。
Then discuss the influence of heat resistance on refrigeration capability. The work makes a good reference for refrigeration system design and running management.
并从数学上分析了各热阻对制冷量的影响，可供制冷系统的设计、运行管理提供参考。
Properties: pure blue powder, bright color and good dyeing force, good heat resistance good alkali resistance.
性能简介：纯蓝色粉末，色泽鲜艳，着色力强，耐热性耐碱性好。
Leather materials can be used after provided with preferable heat resistance.
具有一定耐热性能的皮革才能用作服饰用材料。
Personnel dress heat resistance is large in SARS sickroom, traditional air conditioning parameters can't content the thermal comfort.
SARS病房内医护人员的服装热阻偏大，传统的空调参数不能满足医护人员的热舒适性要求。
It also suggests the method of spinning the heat resistance PAN hollow fiber membrane and its significance.
提出了纺制耐热性好的聚丙烯腈中空纤维膜可能的方法和意义。
The performances and application of fire proof cable are introduced from insulation resistance, heat resistance, mechanical property, current capacity and other aspects.
从绝缘电阻、耐热性、机械性能、防火特性、载流量等方面介绍了防火电缆的性能及应用。
It possesses high stiffness, dimensional stability and heat resistance combined with excellent processability including low warp and resistance to sink-mark formation.
它具有高刚度，尺寸稳定性和耐热性优良的加工性能，包括低翘曲性和抗沉过硬的形成相结合。
It is suitable for roughing to finishing machining of heat-resistance alloy, ti alloy, casting iron and aluminum alloy.
适用于耐热合金、钛合金、铸铁和铝合金的粗加工到半精加工。
The heat resistance and mechanical strength of metal is quite good, but the price and corrosion resistance are its disadvantages.
金属类耐热性能与机械强度相当理想，但价格与抗腐蚀性能是其劣势；
The heat resistance of high chromium cast iron is adversely influenced by vanadium.
研究结果表明，钒对高铬铸铁的耐热性有着明显的不良影响。
This thesis sums up the researches on the heat resistance of Chinese cabbage from physiology, heredity, selection and development of varieties. and cultivating techniques.
本文从白菜耐热性的生理、遗传、品种选育及配套栽培技术等方面对白菜耐热性研究进行归纳总结。
The excellent oxidation stability, heat resistance and detergency properties of AMSOIL Synthetic European Car Formula keep engines clean.
出色的氧化稳定性，耐热性和清净性能AMSOIL合成公式保持欧洲汽车发动机清洁。
A successful technical catalyst is required not only to have high activity, selectivity and heat-resistance, but also enough high mechanical strength in order to resist some mechanical stresses.
一种成功的工业催化剂，除具有足够的活性、选择性和耐热性外，还必须具有足够的机械强度，以便抵抗在使用过程中的各种应力。
A successful technical catalyst is required not only to have high activity, selectivity and heat-resistance, but also enough high mechanical strength in order to resist some mechanical stresses.
一种成功的工业催化剂，除具有足够的活性、选择性和耐热性外，还必须具有足够的机械强度，以便抵抗在使用过程中的各种应力。
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