有斑点 发表于 2025-3-26 22:01:47
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Book 2007ther to serve as "weapons" in the nation s arsenal of democracy or "citadels" in safeguarding the American way of life. By studying the lives of wartime Americans, as well as nursery schools, elementary and secondary schools, and universities, Charles Dorn makes the case that although wartime pressu微尘 发表于 2025-3-27 07:38:32
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Application of Microbial Fuel Cells to Power Sensor Networks for Ecological Monitoring,sor networks. The discussion includes basic design elements, power density, prototyping methods and power output determination. Overall, this chapter reveals that present MFC technologies suffer from very low specific power output, short life time and low efficiencies. These factors make current dev本能 发表于 2025-3-27 14:39:37
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Book 2003nomics. The chapters in this volume cover three main areas of Olson‘s life work: Collective Action, Institutional Sclerosis and Market-Augmenting Government. Some chapters directly assess Olson`s contributions, focusing on distinguishing what was original in his works from what was already in the li