线胀系数的英文
coefficient of inertia expansion
coefficient of line-expansion
coefficient of linear expansion
linear expansion coefficient
例句与用法
- Application of tv measuring system in metal linear expansion coefficient measurement
测读系统在测量金属线胀系数中的应用 - Based on the principle of michelson interference a new integrative experiment apparatus to measure linear expansion coefficient and yang ' s modulus of metals is designed and manufactured primarily
摘要在迈克耳孙干涉原理的两条干涉光路中，分别设置可以精确测量金属丝的拉伸长度和金属棒热膨胀伸长量的装置，从而设计出一种可以分别测量金属杨氏模量和线胀系数的新型综合实验仪器。 - The anharmonic effect of atomic vibration taken into account and from the potential energy which reacts each other among atoms , boltzmann statistical principle used , the relation formula of temperature and the distance change between atoms and coefficient of linear expansion is derived
摘要考虑原子振动的非简谐效应，从原子间相互作用势能入手，运用玻尔兹曼统计原理，推出了原子间距的变化与温度的关系式，并导出了固体的线胀系数。 - In this article , through lab and engineering site trials that the physical data of new type pipe materials is corrected , the results are as follow : ( l ) the expansion coefficient of new plastic pipe materials is more large than that of iron pipe . ( 2 ) new plastic pipe materials have different heat - resisting character and according to the water temperature to choose pipe materials ; ( 3 ) the loss of head of water for new type pipe materials is more smaller than iron pipe and also correct the loss of head of water that calculated by theory ; ( 4 ) probing into the press - resistance character of new plastic pipe materials
本文通过试验室试验及工程现场试验，对新型给排水管材的几个重要的物理性能参数进行实验测定，纠正了以往的错误认识。研究结果表明： ( 1 )新型塑料管材线胀系数远远大于钢管和铸铁管，设计和施工中要严格考虑管道的伸缩； ( 2 )新型塑料管材耐高温性能各不相同，需根据管内水温选定管材； ( 3 )新型管材水头损失远小于钢管，并对原水头损失计算公式进行了修正； ( 4 )对于塑料管材的耐压性能进行了探讨。
