Only teak matches oak's expansion coefficient and stays watertight.
只有柚木才能达到橡木的膨胀系数,并保持水密性。
A very low linear expansion coefficient sample carrier made from invar ensures that temperature change has no effect on the sample position.
由不胀钢制成非常低膨胀系数的样品载台保证温度变化对样品的位置没有影响。
Nitrogen is the inert gases, low expansion coefficient, not easily with the environmental temperature rise for a long time, can maintain normal tire pressure, greatly reduce the flat tire.
氮气是惰性气体,膨胀系数低,不轻易随环境温度上升而上升,可较长时间维持正常胎压,大大降低爆胎几率。
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 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。
The variation of CHGR with depth is available from the calibration of the porosity, gas saturation of electric log interpretation of the reservoir and hydrocarbon gases expansion coefficient.
经储集层段测并解释孔隙度、含气饱和度及天然气膨胀系数等校正,可作出岩石含烃浓度随深度剖面变化的成果图。
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。
The color glaze of low firing temperature and low expansion coefficient, to match the glaze tile made from common clay, was prepared in lead borosilicate system.
采用铅硼硅熔决釉研制出同时符合普通粘土瓦坯的烧成温度低、热膨胀系数低这两个主要性能特点的釉料。
The relationship between expansion coefficient and temperature will coincidence with linear relation.
膨胀系数与温度之间具有良好的线性关系。
The color glaze of low firing temperature and low expansion coefficient, to match the glaze tile made from common clay, was prepared in lead borosilicate system.
采用铅硼硅系统,研制出具有低烧成温度、低热膨胀系数的色釉,用作粘土釉面瓦釉料,其外观、物理、化学性能均能满足质量要求。
Can be installed in cryogenic liquid is lower than the environment temperature linear expansion coefficient test test.
可装低温液体进行低于环境温度的线膨胀系数测试试验。
The corresponding mathematic model has been established in accordance with the physical definition of the density and the expansion coefficient through formula derivation.
根据密度和膨胀系数的物理定义,通过公式推导,建立了相应的数学模型。
On the assumption that the product of volume thermal expansivity and bulk modulus based on the thermodynamic approximation theory, a new equation is presented for volume thermal expansion coefficient.
根据热力学近似理论,在对体积热膨胀系数和体积弹性模量的乘积进行假设的基础上推导了一个体积热膨胀系数与体积和温度间的关系式。
Influence on expansion coefficient has been analysed.
对影响膨胀系数的因素进行了分析。
The results show that the thinner crystal nano-wire has a larger thermal expansion coefficient.
研究结果表明,纳米晶体线越细,其热膨胀系数越大。
The catalogue of transition-metals, thickness and the thermal expansion coefficient which influence the strength of the bonded places are studied as well.
同时还研究了过渡层金属的种类、厚度及线膨胀系数对接合强度的影响。
This paper briefly introduces the performance requirements of the insulating materials such as the thermal conductivity, heat expansion coefficient, and density, etc.
简要介绍了保温隔热材料的性能要求(如导热系数、密度、膨胀系数等)、作用原理以及影响材料导热系数的主要因素。
Cast iron is different from cement thermal expansion coefficient, will transform, separate with long hours, over - towing force action descend turn over the turn on.
铸铁与水泥热膨胀系数不同,长时间就会变形、分离,在外力作用下翻开。
The hydroscopic expansion coefficient of grains is an important physical parameter for prediction of bulk densities and study of internal stresses of grain kernel during adsorption and desorption.
湿膨胀系数用于预报谷物堆密度和研究谷粒应力裂纹产生原因等研究。
The measurement of micro deformation is the key in Youn Modulus and linear expansion coefficient experiments.
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 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。
A new digital image correlation method (DICM) measurement is utilized to investigate the thermal expansion coefficient of the far-infrared ceramic coated the semiconductor galvanothermy membrane.
本文采用一种新的数字图像相关方法测量带有半导体电热膜的远红外陶瓷热胀系数。
A granite platform (Granite Flat Panel) was a long-term natural aging, organizational structure, uniform, linear expansion coefficient is extremely small, internal stress disappear, not deformed.
花岗石平台(花岗石平板)经长期天然时效,组织结构均匀,线胀系数极小,内应力完全消失,不变形。
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。
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。
The components of hybrid composites are quite complicated and diverse. Therefore it 's difficult to predict its thermal expansion coefficient.
由于混杂复合材料组分多、结构复杂,因此预测其热膨胀系数难度较大。
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。
And the influence of annealing temperature was also found to be caused by the expansion coefficient difference and martensitic transition.
晶化处理温度对因热胀系数差异带来的热拉应力因马氏体相变而致的相变压应力均有不同程度的影响。
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。
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