1) thermal deformation coefficient of the part
形体热变形系数
1.
After years of experimental and theoretical study of the thermal deformation,the authors presented the following theories: thermal deformation coefficient of the part,precise thermal expansion coefficient,nonsimilarity in thermal deformation of the part,optimal thermal fitting theory of the hole and shaft,and briefly introduced self-developed hig.
在精密工程技术领域,温度变化引起的热变形误差已成为影响精度的主要决定因素,针对此,提出了形体热变形系数、精确热膨胀系数、零件形体非相似性热变形、孔轴最佳热配合的概念,并简要介绍了自行研制的四维高精度热变形实验装置,最后指出了精密机械热变形误差在精密机械领域中后续研究的主要问题。
2) thermal deformation coefficient
热变形系数
1.
The theoretical and experimental results show that the thermal deformation coefficient of the ball diameter is independent o.
为此,本文利用一套高精度测量系统,对形体的主要几何参数进行受温变形研究,并从振动的角度对形体的热变形进行理论分析,理论和试验的方差分析都表明:球体直径的热变形系数与边界条件无关,而其它形体的热变形系数却与边界条件有关。
2.
The linear thermal expansion coefficient of material defined as the change in length suffered by a unit length of the spedal rod when its temperature is changed by 1℃ is really the thermal deformation coefficient of its length, so there exists an error of theory in the coefficient.
以特定杆件长度方向上的热变形变化量来定义的材料线膨胀系数，实际上是杆件长度方向上的热变形系数，因此存在原理误差。
3) coefficient of thermal deformation
热变形系数
1.
The concepts of the thermal deformation coefficient and the relation between the coefficient of thermal deformation and that of thermal expansion are discussed.
文中还提出了零件热变形系数的概念 ,并讨论了零件热变形系数与材料热膨胀系数的关
4) thermal distortion coefficient
热变形系数
1.
In order to use the steel-fiber polymer concrete(SFPC) in machine tool structural elements,the factors influencing on thermal properties of steel-fibre polymer concrete were analyzed and the thermal distortion coefficient of the SFPC as its thermal characteristic parameter was tested.
基于钢纤维聚合物混凝土(SFPC)在机床基础件中的应用,分析影响SFPC热变形的因素,对SFPC热态性能参数——热变形系数进行测试,在此基础上对SFPC机床基础件与传统铸铁机床基础件的热性能进行分析比较。
5) Deformation coefficient
变形系数
1.
Traditional productivity prediction of oil wells in stress-sensitive reservoirs is studied by assuming that the deformation coefficient of the formation is constant, which may result in significant errors in the prediction of the oil well productivity especially when the producing pressure drop is high.
对于变形介质油藏油井产能预测问题,传统的研究方法均假设地层岩石的变形系数为常数,这导致了目前的变形介质油藏产能预测模型不能准确地反映出油井产能的变化趋势,尤其在生产压差较大的情况下,误差较大。
2.
Furthermore,sensitivity of factors which influences the IPR curve is studied when considering the dynamic variation of deformation coefficient and start-up pressure with reservoir stress.
在考虑储层应力变化导致变形系数和启动压力梯度动态变化的前提下,对影响无因次流入动态的因素进行了敏感性研究。
3.
On the basis of the in-situ data, a function relation of pressure with deformation coefficient of reservoir was developed and employed to build a modified mathematical model.
在列宾逊函数的基础上 ,将变形介质渗流理论应用于裂缝性油藏流入动态研究 ,利用油田实际生产数据 ,得到油藏压力与变形系数的函数关系式。
6) coefficient of deformation
变形系数
1.
Based on secondary waterproofing project for Shenzhen Children s Palace the article discusses mainly waterproofing measures that should be taken after waterproof layers cracked due to difference in coefficient of deformation between steel and concrete roofs and gives emphasis to important role the joint treatment plays in waterproofing project.
通过深圳市少年宫屋面二次防水工程的施工实践,着重讨论了因钢结构屋面和混凝土屋面变形系数不同而产生防水层拉裂现象后,进行防水处理措施;强调了节点处理在整个防水工程中所起的重要作用;总结了针对造型独特、由不同材料组成的结构及造型形成的相贯线、接缝等的防水二次深化设计。
补充资料：负温度系数热敏电阻陶瓷(见热敏陶瓷)
负温度系数热敏电阻陶瓷(见热敏陶瓷)
thermo-sensitive ceramics with negative temperature coefficient
负温度系数热敏电阻陶瓷thermo一sensitiveeeramies with negative temperature eoeffieient在某一特定温度范围，电阻率随温度的升高而明显减小的热敏陶瓷。简称NTC陶瓷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条