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low heat conductivity
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  低导热率
     The usage of nonmetallic materials with low heat conductivity is beneficial to a better performance provided that only the axial heat conduction losses are considered.
     仅从降低轴向导热损失的角度讲,使用低导热率的非金属材料制作制冷机部件对制冷性能有较大的积极作用。
短句来源
  低导热
     Study on the low heat conductivity of inorganic composite insulating materials was made in this paper the composite materials can be used as the insulating buhings for the exhaust pipes of the high-powered diesel engines.
     本文采用无机隔热材料的低导热性进行了材料的复合研究,该种复合材料用于大功率柴油机排气管外包隔热套。
短句来源
     ; In order to improve the sensitivity of the receiver, low insertion loss, low heat conductivity, thin wall stainless steel semirigid coaxial cable was applied. BPF-LNA-MIX-IFBPF-IFA receiver front end circuit was assembled.
     为尽可能提高接收机灵敏度 ,采用低插损、低导热的薄壁不锈钢电缆为输入端电路 ,组建了用液氮制冷的BPF LNA MIX IFBPF IFA电路型式的接收机前端电路 .
短句来源
  “low heat conductivity”译为未确定词的双语例句
     However, some factors, including high growing temperature, low heat conductivity, high equilibrium vapor pressure of components, especially Cd, high separation coefficient of Zn and low stacking energy of crystal planes, lead to the existence of defects in the as-grown CZT crystals.
     然而,由于CZT晶体生长温度高、热导率低、各组元尤其是Cd具有较高的平衡蒸气压、Zn组分的分凝系数大、晶面堆垛能低等因素,而导致生长的CZT晶体中存在各种各样的缺陷。
短句来源
     Aluminium titanate (AT) has characteristics of high melting point, low thermal expansion coefficient, low heat conductivity, low elastic ratio, excellent thermal shock resistance and shock resistance. But AT has two fatal defects of poor thermal stability and low mechanical strength, and its application was restricted.
     钛酸铝(AT)具有熔点高、热膨胀系数低、导热系数低、弹性模量低、抗热震和抗冲击性能优异等特点,但是存在热稳定性差和机械强度低的两大缺点,限制了其实际应用。
短句来源
     The SCFS not only has small dilatability,good electricity performance,good resistant chemistry corrosiveness and so on, moreover it has low heat conductivity;
     石英陶瓷不仅具有热膨胀系数小、电性能好、耐化学侵蚀性好等特点,而且具有低的热导率;
短句来源
     Because TC4 alloy has low heat conductivity,high heat plasticity and good oxidability,low welding parameters should be selected.
     由于TC4钛合金导热系数小 ,热塑性高 ,容易氧化 ,摩擦焊亦选用较小的规范参数。
短句来源
     A new kind of foam cement slurry is formed by reaction of reducing agent in cement slurry,which has properties of fine and homogemeous foam,stable construction,low density and permeability,high strength and low heat conductivity.
     新型泡沫水泥浆的泡沫细小均匀 ,结构稳定 ,具有密度低、渗透率低、强度高、导热率低的特点。
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  相似匹配句对
     Low and N.
     Low和N .
短句来源
     On Low Heat Rejection Engines
     论低排热发动机
短句来源
     Low—temperature exhaust--heat and its exploitation
     低温余热利用及其开发
短句来源
     the Measure of Heat Conductivity in Low-temperrature
     低温下固体材料热导率的测量
短句来源
     low cost.
     低的1/f噪声;
短句来源
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  low heat conductivity
These materials combining low heat conductivity and high strength, have a potential for use as lining refractories in thermal power units with operating temperatures not exceeding 1100°C.
      
The expanded vermiculite, owing to its unique properties - low bulk density, low heat conductivity, relatively high melting point, chemical inertness, endurance, and environmental safety - can be used as a filler for heat-insulating materials.
      
We consider the problem of ignition of a preheated metallic wire covered with a layer of reagent with a low heat conductivity.
      
The most PCMs with high energy storage density have an unacceptably low heat conductivity and hence internal heat transfer enhancement techniques such as fins or other metal structures are required in latent heat thermal storage (LHTS) applications.
      
The mean heat transfer coefficient, evaluated from the mean heat flux and the mean wall superheat, can be determined more easily for a copper tube than for a tube with low heat conductivity, e.g.
      
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Floating beads made from power plant's dust were, mixed with abouL 10%of organic fibres, used sucessfully as the main portion of aggregates todevelop a new--type adiabatic hot top in steel ingot casting. With such featuresas small volume density and heat capacity, low heat conductivity and highresistance to molten steel corrosion etc.,the hot top shows its excellentability for thermal insulation when using it together with DF protection slagand the vermiculite thermal--retaining agent. When molten steel...

Floating beads made from power plant's dust were, mixed with abouL 10%of organic fibres, used sucessfully as the main portion of aggregates todevelop a new--type adiabatic hot top in steel ingot casting. With such featuresas small volume density and heat capacity, low heat conductivity and highresistance to molten steel corrosion etc.,the hot top shows its excellentability for thermal insulation when using it together with DF protection slagand the vermiculite thermal--retaining agent. When molten steel being filledin ingot body, the filling time will thus last longer because the rate ofsolidification slows down at the top part of ingot.Quality of steel is thereforeimproved significantly so as to raise the finishing rate of ingots up to 88.02%for structural steel and 88.93% for high-carbon alloy steel.

以电厂灰漂珠为主体骨料,配入10% 左右有机纤维研制成功的绝热帽口,具有体积密度小、热容量小、导热系数低及耐钢水浸蚀等特点。该帽口与DF 保护渣及蛭石保温剂配合使用,组成“三位一体”新工艺,其保温性能良好,降低了钢锭帽部的凝固速度,使钢水有较长时间向锭身填充,显著地改善了钢的质量,使结构钢锭成坯率达88.02%,高碳合金钢钢锭成坯率达86.93%。

According to the "temperature criterion" of modeling test, the constancy of temperature of sample should be basically kept as the load and linear velocity increase. Because of the low heat conductivity of solid lubricants, controlling temperature raising is the key for fortified test. The fortified test device for solid lubricants must meet the following re-quirments:

作者对原有四球机进行了局部的重新设计,将试样的点接触形式改成了面接触形式,并且增加了冷却系统,使下试样下部浸在循环冷却液中相对滑动,有效地抑制了高速重载强化试验条件下的摩擦温升。特殊的设计保证了平面与平面接触的充分贴合。试验结果表明,本装置对于不同的试样具有较好的灵敏性,对于相同的试样具有较好的重现性,因而试验结果比较可靠。

Dolomite is featured with greater heat expansive factor,lower heat conductivity and stable physi-cal phase under high pressure。The olomite liner for the high pressure chamber of diamond synthesis can reducethe pressure gradient in the chambershield the mineral components and impurities out of the high pressurechamber and increase diamond svnthesis efficiencv。

白云石具有较高的热膨胀系数,较低的热导率和稳定的高压物相。用它制成金刚石合成的高压腔内村,可以减少腔内压力梯度,屏蔽矿物成份及杂质进入高压腔,提高金刚石合成效果.

 
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