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1.(2) between degree of operating leverage DOL and degree of margin of safety MRS are reciprocal (3) DOL is a monotone minus function to sale income.
②经营杠杆度DOL与安全边际系数MRS互为倒数关系,两者都对企业的经营状况起警示作用; ③经营杠杆度DOL对销售收入S的函数为单调减函数;收藏指正
2.Atherton function, K-M function and CI function are essentially reciprocal functions of reflectance for all but large values of R_∞.
K-M函数、Atherton函数和CI函数在色料反射率R_∞不是很大时,都主要是反射率的反商函数。收藏指正
3.Early and persistent reciprocal depression of ST segment in acute myocardial infarction:Its significance and relationship with cardiac function
急性心肌梗塞早期和持续的心电图ST段对应改变的意义及与心功能的关系收藏指正
4.Based on Betti Rayleigh reciprocal theorem of elastodynamics,this paper establishes a unified formula generalized Duhamel?s integral for dealing with moving load problem. An impluse response (Green?s function) used in the generalized Duhamel?s integral is obtained by means of the Laplace?s and Hankel?s transform.
首先用弹性动力学Betti-Rayleigh互易定理证明并建立了处理运动负荷作用下结构动力响应的广义Duhamel积分表示式,把运动荷载问题转化为求解位移脉冲响应函数,然后利用Laplace变换和Hankel变换求得了板的竖向位移在变换域中的解;收藏指正
5.CVD SiC coatings were prepared by MTS-H-2 system at temperature from 1000-1300℃. The deposition rate of SiC coatings as a function of reciprocal deposition temperature was studied,the average active energy is 114kJ/mol.
由MTS H2 体系在 10 0 0~ 130 0℃沉积了SiC涂层 ,研究了SiC涂层沉积速率和温度之间的关系 ,MTS H2 体系沉积反应的平均活化能为 114kJ mol,用理论模型证明了低温化学气相沉积SiC为动力学控制过程。收藏指正
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