By adjusting these two parameters, can be near zero coefficient of thermal expansion.
通过调整这两个参数,可以获得接近零的热膨胀系数。
Copper and plastic coefficient of expansion, and, therefore, more close to the plastic used in electroplating electroless copper plating coating layer as conductive.
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, with its extremely high coefficient of expansion, expands more during heating than steel does.
由于铜的膨胀系数特别高,铜在加热时比钢膨胀得多。
If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.
如果阀体的材料是可以焊接的,但膨胀系数差异很大,或者工作温度的变化幅度范围较大,螺纹连接部必须进行蜜封焊。
During the study we tried to lower the thermal expansion coefficient of cordierite by adding additives.
在本研究中,还试图通过添加外加剂来降低堇青石的热膨胀系数。
Designed to complete the composite coefficient of thermal expansion of the calculation and prediction functions.
设计完成对复合材料的热膨胀系数的计算和预测功能。
In contrast with metal and thermoplastic material, which has a higher coefficient of thermal expansion (CTE).
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) ?
Wood in the high temperature coefficient of expansion will obviously, consumer can carry on some simple wooden through the maintenance, prevent the "heatstroke".
木制品比如木门的膨胀系数在气温高的时候就会比较明显,消费者可通过对木门进行一些简单的保养,防止其“中暑”。
The some techniques of guide shaft and expansion excavation are improved for assure the successful construction and raise the safety coefficient.
为保证施工顺利进行,且提高安全性,对正反导井及扩挖系统进行了多项技术改进,提高了安全系数。
The properties of coatings. e. g. tensile strength, expansion coefficient, wear volume under given conditions and porosity, etc. were tested.
测定了涂层抗拉强度、膨胀系数、一定条件下的磨损体积、气孔率等性能。
If there is a large difference in the coefficient of expansion, there will be cracks in the ceramic layer or the phenomenon of exploding porcelain in the alternating heat and cold.
如果膨胀系数相差较大,在冷热交替的时候就会出现瓷层裂纹或爆瓷现象。
Volumetric expansion coefficient and compressibility of water and steam are important parameters usually applied in the reactor thermal hydraulic, heat transfer and engineering thermodynamics.
水和蒸汽的体膨胀系数和压缩率是反应堆热工水力、传热学和工程热力学中常用的参数之一。
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV).
根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
Measuring method for differential coefficient of expansion and the standard uncertainty is introduced as well.
同时介绍了微分膨胀系数的测量方法及其测量不确定度。
Water is variable in coefficient of expansion.
水的膨胀系数是不变的。
The metal flow rule of the expandable tubular is closely related with the friction coefficient and extent of expansion.
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。
This article gave the measuring principle, formula and method of waters expansion coefficient by using density value of pure water in different temperature.
利用不同温度下纯水的密度值,给出了水的体胀系数的计量原理、公式和方法。
After jointing, coefficient of expansion leads to remain force.
接合后存在残余应力起因于材料的热膨胀系数。
This paper analyzes the factors that influence the measure of linear coefficient of expansion, so that the error of the experiment can be decreased.
对可能影响金属线胀系数测量的各个因素进行分析,以达到减小实验误差的目的。
The analytical results show that the curing residual stresses of the twisted fiber composites in which there are different coefficient of thermal expansion due to curing can be decreased greatly.
分析结果表明:加捻纤维束构成的复合材料,由于纤维适当加捻,可以大大减弱纤维与基体各具不同的热膨胀系数而产生的固化残余应力。
Water has a variable coefficient of expansion.
水的膨胀系数是可变的。
Design idea of the cavity using two different metal material of about the same coefficient of expansion to improve self-compensation action of the cavity is presented.
为了改进单一材料构成的腔体的温度自补偿特性,提出了利用膨胀系数相近的两种材料来做双频腔的方法。
The theory and feasibility is analyzed, for measuring Linear Expansion Coefficient of high temperature material by moiré interferometry.
分析了激光云纹干涉法测量高温材料热膨胀系数的原理和可行性。
Two methods are established to predict the thermal expansion coefficient of Unidirectional composite based on micro-mechanics.
基于细观力学方法建立了两种预测单向复合材料的热膨胀系数的方法。
The coefficient of linear expansion of the body and glaze, the melting temperature range, the whiteness, the microhardness and the heat stability of glaze were tested.
测试了基体和熔块的线膨胀系数、釉的熔融温度范围、釉面的白度、显微硬度和热稳定性等性能。
The system consisting of optical fiber displacement sensor and solid linear expansion coefficient apparatus, is used to measure the linear expansion coefficient of metal.
将反射式光纤位移传感器应用于固体线膨胀系数测定仪,可以较精确地测定金属线胀系数。
The effect of vacuum thermal cycles on the linear expansion coefficient profile was analyzed using a proposed two-dimensional model of micro-damage.
通过所建二维细观损伤模型分析了真空热循环次数对材料线膨胀系数曲线影响的原因。
Thermal deformation temperature and liner expansion coefficient of the composite were decreased.
该复合材料的热变形温度有所降低,但线膨胀系数减小。
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.
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.
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。
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