机械因素,mechanical cause
mechanical factor机械性因素
1.Apart from the known non -mechani-cal factors,mechanical factors have been fo-cused.引起骨质疏松症的原因除了己知的非机械性因素外,机械性因素在骨质疏松发病中所起的作用也日益受到重视。
3)mechanical(physical)factor机械(物理)因素
4)non-mechanical factor非机械性因素
5)mechanical quality factor机械品质因素
1.In this article,from the most basic physics principle,the function of the piezoelectric transformer performance Vs three basic factors(mechanical quality factor,electromechanical coupling factor as well as electric quality factor) are established.该文从最基本的物理学原理出发,把压电变压器的性能归结为3个基本因子的函数,即机械品质因素、机电耦合因素以及电学品质因素。
2.The research shows that, without taking any additional measures for bandwidth expansion, the value ofmechanical quality factor Q_(m) can be lowered and their bandwidth by geometric parameter optimization alone.研究结果表明,在没有采用其它频带展宽方法的前提下,通过优化几何参数,可以降低换能器的机械品质因素Qm,从而增大带宽。
3.The relationships of PbO excess with the properties of an new modified PbTiO 3 ceramics with large anisotropy were investigated, the performances including the electromechanical coupling factors,mechanical quality factor, dielectric loss and so on were studied.研究了一种新型的具有大各向异性的改性PbTiO3 陶瓷材料的性能随着材料制备中铅过量的变化而变化的关系 ,其中包括材料的机电耦合系数、机械品质因素、介电损耗等 。
6)mechanical quality factors机械品质因素
1.The results showed that when the titanate was partially substituted by 3% (mol/mol) of nickel-niobium and 3%(mol/mol) of zinc-tungsten, the samples not only had larger piezoelectric anisotropy but also highermechanical quality factors.研究结果表明 :当Pb(Zn1 2 W1 2 )O3和Pb(Ni1 3Nb2 3)O3的掺杂量为 3 % (mol mol)时 ,样品同时具有较大的压电各向异性和较高的机械品质因素 。
2.The influences of MnCO 3 additions an d poling field on the properties of modified ceramics were studied, among which include electromechanical coupling factors,mechanical quality factors, dielectr ic loss and so on.研制了一种新型的改性PbTiO3 陶瓷大各向异性材料 ,研究了这种新型材料的性能在不同MnCO3掺杂量和不同的极化电场下的变化 ,其中包括材料的机电耦合系数、机械品质因素、介电损耗等 。
延伸阅读
非密度制约因素(见密度制约因素)非密度制约因素(见密度制约因素)l焦非密度制约因素见生态因素、密度制约后
