expanding coefficient造句

• Thermal expand coefficient of polyimide films at each temperature was measured in the process of thermal cycling
  摘要测量了聚酰亚胺薄膜在冷热循环过程中各温度点的热膨胀系数。
• The results showe that the thermal expand coefficient of polyimide film is instability , it tends to stabilization after four times of psychro - thermal cycles
  结果表明：聚酰亚胺薄膜的热膨胀系数具有不稳定性，当经四次冷热循环后才趋于稳定。
• As well , the compress stress existed in ( 002 ) crystal plane are found and can be explained by the matching between film material and substrate material as well as the different thermal expand coefficient between them
  同时， zno薄膜( 002 )方向上存在着内应力，内应力是由膜材料与基底材料之间的晶格失配和不同热扩散系数造成的，退火可可使内应力的到不同程度的释放。
• In the process of preparing glass / mullite composite material , research on shrink rate , bending strength , dielectric constant , dielectric loss tangent , etc have been carried out . in the experiment , the thermal expand coefficient of samples is tested , and through sem , insides structure of sintered sample is studied , so the relationship of
  在制备玻璃/莫来石复合材料的过程中，我们研究了烧成后径向收缩率、试样的抗弯强度、介电常数、介质损耗及其影响因素，并测试了试样的热膨胀系数，通过sem观测烧成试样的内部结构情况，找出性能和结构之间的关系。
• As the content of vermiculite minerals was about 3 % , the impact strength ( nick ) , the flexural strength and the heat distortion temperature ( hdt ) of the nanocomposites all were the lowest and decreased 21 % , 28 % , 3c , respectively . compared with those of the polybenzoxazine ( bisphenol a type ) , its thermal expanded coefficient ( tec ) was 3 . 4 % bigger than that of the polybenzoxazine ( bisphenol a type )
  双酚a型ben蛭石纳米复合材料的力学性能和热性能表现出明显的结构特征，普遍地低于纯树脂的性能数值，而优于双酚a型ben金云母复合约zi和zs “热变形温度dt ）低约3 ，线膨胀系数高约3
• As composite material are widely used in navigation and physical education equipments for high comparing intensity and module , even it has the approxi - mate zero expanding coefficient , as the same time , configuration of composite has been aroused attention by scientific researchers , the goal of them is to find an integrated structure with high efficiency and intelligent and many function all along . grid structure is the right structure with the high efficiency , the researchers overseas have been studying the structure for many years , which manifests it has many excellent nature ; existing research indicate it has higher stiffness and intensity . the form can be detected in health easily for its open shape
  复合材料具有高的比强度和比模量,同时又具有近于零的热膨胀系数和良好的尺寸稳定性等优良性能,已经广泛应用于航天航空事业和体育器材生产工业,与此同时,寻求一种高效的、低成本的、并将智能化和功能化集于一体的结构形式,一直是航空航天追求的目标,具有点阵结构的复合材料格栅结构正是这种高效的结构形式,表现出多项优良性能;国外对其进行了大规模的理论分析和一些数值模拟研究,已有的研究表明该结构具有良好的可设计与自动化生产性能而无材料之间匹配问题,开放式的结构形式为结构的健康检测提供了便利,具有广阔的应用前景。