在这样的背景下,芝加哥学派的Terry Clark等人提出了“场景理论” (Scene Theory)来解释后工业城市发展的特点。该理论认为,城市中生活娱乐文化设施的不同组合,会形成蕴含各种不同文化价值取向的“场景”,这些文化与价值因素又会吸引不同的特定人群,从而催生并形成高级人力资本与新兴产业的聚集效应,推动着后工业时代城市的...
在这样的背景下,芝加哥学派的Terry Clark等人提出了“场景理论” (Scene Theory)来解释后工业城市发展的特点。该理论认为,城市中生活娱乐文化设施的不同组合,会形成蕴含各种不同文化价值取向的“场景”,这些文化与价值因素又会吸引不同的特定人群,从而催生并形成高级人力资本与新兴产业的聚集效应,推动着后工...
Mark T. SchenkelBelmont University, Nashville, TN, USA;Georgia Tech, Atlanta, GA, USA;Jane FinleyBelmont University, Nashville, TN, USA;Georgia Tech, Atlanta, GA, USA;Wade ChumneyBelmont University, Nashville, TN, USA;Georgia Tech, Atlanta, GA, USA;wileyEntrepreneurship Theory and Practice...
a其原理是通过一系列等幅不等宽的脉冲调制信号驱动两组大功率开关管的互补导通实现供电电源直接带动负载。 Its principle is does not wait for the width through a series of constant-amplitudes the impulse modulation signal to actuate two group of high efficiency switching valves the supplementary breakover ...
A unified theory [[19], [20]] was described where a constraining factor (ξ) was introduced to describe the composite action between the steel tube and filled concrete. It was found that the higher the constraining factor (ξ), the higher the compression strength of confined concrete. The ...
] aThepresence of xt on the RHS of Eq. (a) prevents direct application of dynamical systems theory because our system has a 'forward looking'element in it. xt在Eq RHS。 (a)防止动力学系统理论的直接应用,因为我们的系统在它有一‘forward looking'element。 [] ...
Then the flexural stiffness of the truss can be obtained by the Bernoulli-Euler Beam Theory. The deflection caused by the brace and joint were then implicitly included in the factor 0.75. Han et al [16] derived the formulas for calculating the sectional stiffness EIe of concrete filled steel ...
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A program for building three dimensional models of spatial tubular joints was developed based on the OBJECTARX technology and solid modeling theory. 为了解决在CAD平台上实现快速生成结构分析软件和施工图开发所需要的相贯节点实体模型,根据实体造型理论,基于OBJECTARX技术,开发了生成空间相贯节点实体模型程序。
Entrepreneurship Theory and Practice Volume 36, Issue 2, pages 425–428, March 2012Additional Information How to Cite Schenkel, M. T., Finley, J. and Chumney, W. (2012), Instructor's Note: RHS, Inc.: Innovation “Guiding” Agriculture. Entrepreneurship Theory and Practice, 36: 425–428. ...