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Composites materials have aroused a great interest over the last few decades. Several applications of fibrous composites, functionally graded materials, laminated composites, nano-structured reinforcements, morphing structures, can be found in many engineering fields, such as aerospace, mechanical, naval and civil engineering. The necessity of lightweight structures, smart and adaptive systems, high-level strength, have led both the academic research and the manufacturing development to a recurring employment of these materials. Many journal papers and technical notes have been published extensively over the last seventy years in international scientific journals of different engineering fie...
Labor is the most important of the three traditional factors of production (land, labor and capital), accounting for some 75 per cent of the GDP. It is therefore important to focus on issues of labor economics. In this book the approach taken will be that of the free market philosophy of libertarianism, the perspective that allows the maximum of freedom, consistent with the responsibility of all to respect the equal rights of all others. The position of this book on unions is unique outside of the libertarian movement, and this is indicative of its analysis of several other issues, such as minimum wages. For scholars on the left, it is almost true that unions can do no wrong (for Marxists, t...
This book summarizes what is known about mesophotic coral ecosystems (MCEs) geographically and by major taxa. MCEs are characterized by light-dependent corals and associated communities typically found at depths ranging from 30-40 m. and extending to over 150 m. in tropical and subtropical ecosystems. They are populated with organisms typically associated with shallow coral reefs, such as macroalgae, corals, sponges, and fishes, as well as specialist species unique to mesophotic depths. During the past decade, there has been an increasing scientific and management interest in MCEs expressed by the exponential increase in the number of publications studying this unique environment. Despite th...
Since antiquity, technology has tried to either control or imitate nature. Both these traditions take advantage of the progress of science, but their teleology and their typical design problems remain basically different.The technology of the artificial may be defined as the effort to reproduce natural objects or processes by means of current conventional technology and materials. This book reports on the results of a theoretical study of the logic characterizing any attempt to design something artificial.While designers of artificial devices work in their own area facing field-specific problems (e.g. bioengineering, artificial organs, robotics, AI, ALife, remakings, etc.), the present study refers to the artificial in itself, trying to find out what is common to instances very far from each other, in an intrinsically interdisciplinary way. The result may be defined as a proposal of a general theory of the artificial.
The Global Atlas of Marine Fisheries is the first and only book to provide accurate, country-by-country fishery catch data. This groundbreaking information has been gathered from independent sources by the world's foremost fisheries experts. Edited by Daniel Pauly and Dirk Zeller of the Sea Around Us Project, the Atlas includes one-page reports on 273 countries and their territories, plus fourteen topical global chapters. Each national report describes the current state of the country's fishery; the policies, politics, and social factors affecting it; and potential solutions. The global chapters address cross-cutting issues, from the economics of fisheries to the impacts of mariculture. Extensive maps and graphics offer attractive and accessible visual representations.
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台灣最完整的八放珊瑚(軟珊瑚)全圖鑑首度問世, 帶您全覽珊瑚礁中最多樣、也最難辨識的軟珊瑚類群。 ◎ 台灣第一本完整八放珊瑚圖鑑,共收錄21科291種。 ◎ 2287張圖片收錄重要辨識特徵,包括骨針常見形態、珊瑚體伸長與收縮特寫。 ◎ 根據海洋生物最新分類系統WoRMS重新排序物種親緣關係 ◎ 特別收錄台灣周圍海域截然不同的珊瑚群聚與比較 什麼是八放珊瑚? 八放珊瑚包括軟珊瑚、柳珊瑚、笙珊瑚、藍珊瑚和海筆,其名稱來自珊瑚蟲八隻羽毛狀的觸手。牠們的構造和石珊瑚不同,是以肉質的組織連結細小的骨針,雖...
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