恒温器是以不同的金属有不同的膨胀系数这一事实为根据的。
The thermostat is based on the fact that different metals have different coefficients of expansion.
相较于金属和热塑材料,什么材料具有更高的热膨胀系数(CTE) ?
In contrast with metal and thermoplastic material, which has a higher coefficient of thermal expansion (CTE).
金属铜与塑料的膨胀系数比较接近,因此,在塑料电镀中常用化学镀铜层作为电镀的导电镀层。
Copper and plastic coefficient of expansion, and, therefore, more close to the plastic used in electroplating electroless copper plating coating layer as conductive.
计算的结果证明用狭义和广义等效辐射截面系数来计算立体金属目标的天线温度对比度是可行的。
The results proved that it was feasible to count the ATC of metal solid objects by using its special and general ERSC.
利用恒流放电法测定了金属氢化物(MH)电极中氢原子扩散系数的平均值。
The average value of hydrogen diffusion coefficient in metal hydride(MH) electrode was measured by constant current discharge method.
研究了金属基体及其中镍铬合金的含量对复合材料的硬度、摩擦系数和磨损率的影响。
The effects of metal base content and NiCr alloy addition on hardness, friction coefficient and wear rate of the composites were studied.
推导出高能原电子斜入射时的金属的有效真二次电子发射系数的表达式,它与入射角的余弦近似成反比。
This paper derived the formulation for the real efficient emission coefficient of secondary electron under the condition that high energy primary electron incident on metal obliquely.
影响双金属轧片式翅片管的传热性能的一个重要因素是管外气体一侧的对流换热系数。
A important factor affecting heat transfer ability of double metal rolling fin tubes is gas-side heat transfer coefficient.
本文介绍了一种用百分表测量铝合金金属线胀系数的方法,并对测量结果进行了误差分析。
A method of measuring metal linear expansion coefficient of aluminium alloy by a percent meter is introduced. The error analysis in the result of the measurement is conducted.
两个具有不同膨胀系数的金属条永久连接在一起组成双金属条。
Two metallic strips with different coefficients of thermal expansion are permanently joined together to form a bimetallic strip.
电流公式中的透射系数是和分子的电子结构以及分子与金属的相互作用能有关的。
The transmission coefficient in the current formula is relevant to the electronic structure of molecule and the interaction between the molecule and the metal.
可清洗钢铁、铜、铝及陶瓷材料,对金属腐蚀性小、安全系数高。
It can clean steel, copper, aluminum and ceramic material with high safety coefficient and little corrosion to metal.
膨胀套管在膨胀时的金属流动情况与磨擦系数和膨胀幅度密切相关。
The metal flow rule of the expandable tubular is closely related with the friction coefficient and extent of expansion.
由相关系数和主成份分析,选择铁和铝作为沉积物中痕量金属浓度的均一化元素。
Based on correlation coefficients and principal component analysis, fe and al were selected as the concentration normalizer for the different trace metals.
利用交流电桥和约利弹簧秤组成实验装置,测量了金属的线胀系数和液体的密度。
Coefficient of linear expansion of metal and density of liquid are measured by the experiment device which is composed of AC bridge and Joly spring balance.
结论:制作全口金属牙合垫修复牙列磨损及缺失,虽然难度系数较大,但目前仍不失为一种良好的齿科临床修复方法。
Conclusion Fabricating complete metal occlusal pad, though the difficulty coefficient is big, is still a good dental clinical restoration method at present.
该金属波纹管在施工过程中安全系数为1.68,在规范允许范围内。
The safety factor of this corrugated metal pipe is 1.68, which is within the allowable scope of criterion.
本文中分析了非过渡金属非晶态超导体的超导参量、声子谱参量与霍耳系数之间的经验关系。
In this work, the empirical dependances of superconducting parameters and phonon spectrum parameters on the Hall Coefficient, and the problem on the Tc in amorphous non-transition metals are studied.
结果表明,封闭式纵向翅片管的散热量、金属热强度以及自然对流换热系数都要高于开放式翅片管。
As a result, heat dissipating capacity, metal thermal intensity and free convection heat transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube.
在杨氏模量、金属线胀系数实验中,微小形变量的测量是关键环节。
The measurement of micro deformation is the key in Youn Modulus and linear expansion coefficient experiments.
在本论文中,吾人将探讨数种高介电系数介电层与金属闸极的研究与应用。
In this dissertation, we will investigate the application of several high-k dielectric and metal gate process technologies.
所得到的经验方程可用来估算多层金属纤维滤毯的透气系数。
The obtained empirical equation can be used for evaluating the air permeability coefficient of the metal fiber filter medium with gradient pore size.
采用密封设计准则,通过试验确定了金属缠绕式垫片的垫片系数,在此基础上,按照PVRC新方法对法兰螺栓载荷进行了计算。
The sealing design criteria to measure the factors of spiral wound gasket were adopted, based on this bolt loads of flange can be determined by using the new PVRC method.
在相对简单的实验设备下,得到较高精度金属复合引线的热膨胀系数值。
High precision CTE of the metal composite leads can be got with the relatively simple experimental equipments.
对于金属而言,这个消光系数不能忽略,而且对材质的表现有很大影响。
But for metals it can't be ignored and it can become important enough to change the visual qualities of the material.
第二部分是金属酞菁衍生物的二阶非线性光学系数的测定。
The second part reports the estimation of organic second-order nonlinear optical coefficient of the metal-phthalocyanine derivatives.
应用二维单侧容限系数公式,提出了一种测定金属材料疲劳裂纹扩展速率的小样本方法。
A small sample method for testing fatigue crack growth rate curve of steel was presented in this paper using a formula of two-dimensional one-side tolerance factor.
应用二维单侧容限系数公式,提出了一种测定金属材料疲劳裂纹扩展速率的小样本方法。
A small sample method for testing fatigue crack growth rate curve of steel was presented in this paper using a formula of two-dimensional one-side tolerance factor.
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