thermal contraction

[ˈθɚməl kənˈtrækʃən][ˈθə:məl kənˈtrækʃən]

热收缩

  • Thermal Contraction Phenomenon of Cluster Structure of In and In-1 % Cu Melt

    In及In-1%Cu熔体团簇的 收缩现象

  • The flexible connecting pieces used for interconnecting the air ducts are installed easy and meet the requirements for thermal expansion or contraction .

    这种风管连接采用具有伸缩性的连接件,安装方便,可以满足 热胀 冷缩的要求。

  • Results of the tests provide important references for calculating thermal stresses and for further studying on dry contraction of lean concrete in highway applications .

    试验结果为贫混凝土基层路面 温度应力的计算提供了重要的参数,并对进一步研究贫混凝土基层干 裂缝 防止具有重要的意义。

  • To reduce the amount of training quenches experienced in superconducting magnet impregnated with epoxy resin new design limits with the coil under magnetic and thermal contraction loading are studied on the basis of experiment and numerical simulation .

    为了减少环氧浸渍的超导磁体的锻炼和退化效应,基于实验和数值模拟研究了在 力和电磁应力的条件下超导绕组的机械特性。

  • The low melting-point eutectic films crack under the welding tensile stress caused by thermal expansion and contraction of magnesium alloy . The formation mechanism of liquefied cracks is similar to crystallization cracks .

    液化裂纹的产生机理与焊缝结晶裂纹相似,即同样是在低 熔点的液态薄膜的形成和焊接拉应力 作用下产生。

  • Secondly it is a discontinuous structure change with two possible forms of thermal contraction ( thermal absorption ) or thermal expansion ( thermal release ) .

    第2,是不连续结构转变并有两种突变形式: 热缩(吸收蒸发热),热胀(放出凝结热)。

  • Besides the coupling effects of thermal expansion or contraction of soil on temperature evolution are also discussed .

    此外,还分析了土体 膨胀或 收缩对温度演化过程的耦合影响。

  • Changeable thermal load will makes water wall tube expansion and contraction which makes water wall withstand thermal fatigue stress .

    水冷壁在不同工况下壁 存在波动,交变 载荷将使水冷壁管产生膨胀与 收缩,导致水冷壁管承受热疲劳作用。

  • As the spray coating line is in the non-linear distribution the stress of a spray coating material due to thermal expansion and contraction can not deform the filling structure .

    由于喷涂线呈非直线分布,喷涂材料 热胀 冷缩产生的应力不会导致填充结构变形。

  • A large number of ice wedges have been found active in the environment that convertionally would be regarded as too warm for thermal contraction cracking and ice wedge development .

    在过去认为不会有冰 活动的地区,发现了新生的和正在活动的冰楔。

  • Experimental results show that : During freezing of rabbit aorta the thermal expansion occurs gradually up to a peak point and then the thermal contraction takes place abruptly .

    研究结果表明:在兔主动脉的冻结过程中,先是逐渐 膨胀到某一峰值,然后突然有 收缩的发生;

  • Effects of drawing thermal history on the extension and contraction behavior of oriented PET films during thermal treatment

    拉伸 历史对取向聚对苯二甲酸乙二酯膜在热处理过程中 收缩和伸长的影响

  • Thermal contraction packing machines adopt the technology of hot air circulating so as to adjust temperatres by the use of automatic temperature regulator and to save energy .

    收缩包装机采用最先进的热风循环技术,通过自动湿度调节器来控制温度,高效节能。

  • Discussion on new-type colligation demonstration meter on thermal expansion and contraction of solid and exploring of physical principle

    新型固体 热胀 冷缩综合演示仪与相关物理原理的讨论

  • Experimental results of studies on the TiB_2-coating on cathode carbon blocks in aluminium electrolysis cells are reported . Various properties of the coating layer such as mechanical strength thermal expansion / contraction coefficient electrical resistivity wettability and anticorrosion were tested .

    本文研究了TiB2-碳胶涂层的制备方法,并对制得的惰性阴极材料进行了力学性能, 膨胀/ 收缩性能,导电性,湿润性及抗腐蚀性能的测试。

  • Field Trial for Temperature Field of Asphalt Pavement and for Prevention of Reflective Cracks Associated with Thermal Contraction with Geogrids

    沥青路面温度场与 格栅加筋 沥青罩面现场试验

  • The paper analyzed the disease cause of bitumen concrete pavement thermal contraction cracks and proposed the countermeasures .

    通过对大新高速公路主线、支线沥青砼路面的 裂缝调查研究,分析病害原因,提出了对策措施。

  • The authors consider that the thermal contraction of the ionospheric plasma produced by the change of the electronic temperature may be the principal cause of the morphological behavior of F2 layer during this solar eclipse .

    作者认为,日食时电子温度变化引起电离层等离子体的 收缩,是这次日食时F2层形态形成的主要原因。

  • This paper introduces the structure design of a new type cabinet particularly the design of exterior sculpt 、 airiness thermal diffusion 、 shock absorption 、 contraction vibration etc.

    本文介绍某新型机柜的结构设计,着重介绍了外部艺术造型、结构上的通风 散热减震抗振等方面的设计。

  • Based on the hypothesis of the mold surface finish conditions and calculation of the thermal contraction and surface shearing stress of casting the fraction stress at different parts of the mold and the total fraction force can be predicted .

    从结晶器内表面光洁度的假设出发,通过计算铸件的 收缩、铸件表面的剪切强度,求出不同部位的摩擦应力,从而求得铸拉的摩擦力。

  • Simple Talking about Test of Dry Shrinkage and Thermal Contraction of Semi-Rigid Base Materials for Asphalt Pavement

    浅谈沥青路面半刚性基层材料的干缩与 性试验热风收缩,干热收缩

  • Metal bellows expansion joint is the flexible part used to absorb dimensional changes caused by thermal expansion or contraction or reduce vibration of a pipeline and equipments . It is currently used in various national economy sectors .

    金属波纹管膨胀节作为一种挠性部件,用以补偿因 热胀 冷缩、机械位移或振动引起的管线、设备等尺寸变化,已广泛用于国民经济的各个部门。

  • The experimental data also indicate there is linear relationship be-tween the shrinkage of sample fibers and difference between third ph-ase index before and after thermal contraction .

    实验数据还表明:纤维的收缩率与 收缩前后“第三相”指数之差呈良好的销性关系。

  • Theoretical foundations of thermodynamics and kinetics on the process of leather thermal contraction

    皮革 收缩的热力学和动力学理论基础

  • The tube could involute after expansion and satisfy the use requirement with thermal contraction temperature being 105-130 ℃ and longitudinal shrinkage being 5.9 % .

    管材扩张后能恢复原位,其 收缩温度为105~130℃,纵向收缩率为5.9%,满足使用要求。

  • The paper summarized the negative thermal expansion coefficient compounds and their contraction mechanism reported in recent 20 years .

    综述了近20年有关负 膨胀系数化合物及其 收缩机理的报道;