As an emerging discrete structural model, the Hencky bar-chain/net model (HBM) has shown its advantages over other numerical methods in some problems. Owing to the discrete properties of HBM, it is also a suitable model for nano-scale structures which are currently a very hot research topic in mechanics.This book introduces the concepts and previous research of the Hencky bar-chain/net model, before demonstrating how beams, columns, arches, rectangular plates and circular plates could be successfully modelled by HBM. HBM comprises rigid bars connected by frictionless hinges with elastic rotational springs (and a system of torsional springs in the cells for plates). In the treatment of the above-mentioned structures, HBM is found to be mathematically equivalent to the first order central finite difference method (FDM). So HBM may be regarded as the physical structural model behind the FDM.This book is a compilation of the authors' research on the development of the Hencky bar-chain/net model, and is organized according to the development and application of HBM for beams, columns, frames, arches and rings, and plates. Exercises are provided at the end of each chapter to aid comprehension and guide learning. It is a useful reference for students, researchers, academics and practitioners in the field of structural analysis.
The main properties that make carbon nanotubes (CNTs) a promising technology for many future applications are: extremely high strength, low mass density, linear elastic behavior, almost perfect geometrical structure, and nanometer scale structure. Also, CNTs can conduct electricity better than copper and transmit heat better than diamonds. Therefore, they are bound to find a wide, and possibly revolutionary use in all fields of engineering. The interest in CNTs and their potential use in a wide range of commercial applications; such as nanoelectronics, quantum wire interconnects, field emission devices, composites, chemical sensors, biosensors, detectors, etc.; have rapidly increased in the last two decades. However, the performance of any CNT-based nanostructure is dependent on the mechanical properties of constituent CNTs. Therefore, it is crucial to know the mechanical behavior of individual CNTs such as their vibration frequencies, buckling loads, and deformations under different loadings. This title is dedicated to the vibration, buckling and impact behavior of CNTs, along with theory for carbon nanosensors, like the Bubnov-Galerkin and the Petrov-Galerkin methods, the Bresse-Timoshenko and the Donnell shell theory.
The nonprofit sector in China (including nongovernmental organizations, foundations, and charities) is fairly new, especially to foreigners, since the rapid development of this "third sector" has not been widely studied in Western scholarship. The contributors to this volume have been engaged in research of China's nonprofit sector for many years, and are intimately familiar with the operation of Chinese nonprofit organizations. China's Nonprofit Sector describes the development of China's nonprofit sector since 1995, including discussions on the rise of corporate responsibility and charitable foundations, grassroots organizations, and the microphilanthropy that arose after the Sichuan earthquake in 2008. It enumerates the shifting legal framework, the complex relationship between government-affiliated and private sector organizations, the media's role, the emergence of microphilanthropy, and the lack of knowledge of the general public regarding philanthropic enterprises. This volume, in Transaction's Asian Studies series, directly addresses the topic of China's nonprofit sector and gives a coherent and comprehensive account of its development and challenges. This work will be of value for all policy specialists, Asian Studies scholars, and all individuals interested in China.
Salt and State is an annotated translation of a treatise on salt from Song China. From its inception in the Han dynasty (206 B.C.–220 A.D.), the salt monopoly was a key component in the Chinese government's financial toolkit. Salt, with its highly localized and large-scale production, was an ideal target for bureaucratic management. In the Song dynasty (960–1279), fiscal pressures on the government had intensified with increased centralization and bureaucratization. A bloated administration and an enormous standing army maintained against incursions by aggressive steppe neighbors placed tremendous strain on Song finances. Developing the salt monopoly seemed a logical and indeed urgent strategy, but each actor in this plan—the emperor, local officials, monopoly administrators, producers, merchants, and consumers—had his own interests to protect and advance. Thus attempts to maximize the effectiveness of the monopoly meant frequent policy swings and led to levels of corruption that would ultimately undo the Song. Unlike other contemporary sources, the Songshi treatise organizes its subject into an intelligible and detailed narrative, elucidating special terminology, the bureaucracy and its processes, and debates relating to Chinese finance and politics, as well as the salt industry itself. Professor Chien's extensive annotation relies on parallel histories that corroborate and supplement the Songshi account, together providing a comprehensive study of this important institution in China's premodern political economy.
China has about 2,500 species of mosses and has the richest and the most diverse moss flora in the Northern Temperate zone. This number is about 20% of all the mosses currently recognized in the world. Knowledge of the Chinese moss flora, like that of the vascular plant flora, is of importance to the understanding of the underlying dynamics of past plant migrations, vegetational history, and the significance of the local refugia in Asia. This volume treats 32 genera and 206 specific and infraspecific taxa. The following taxa are treated: Bryaceae, Mniaceae, Rhizogoniaceae, Hypnodendraceae, Aulacomniaceae, Meesiaceae, Bartramiaceae, Spiridentaceae, and Timmiaceae.
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