GaNISOPEnergy efficiency of typical data centers is less than 50% where more than half of the power is consumed during power conversion, distribution, cooling, etc. In this paper, a single power stage architecture that converts 400 V to 1 V directly targeting high system efficiency is ...
Die einzelnen Bände kosten DM 24,-, 24,- und 14,-示踪核素侵蚀过程土壤剖面颗粒组成土壤侵蚀及其导致的土壤质量退化是世界性的重大环境问题之一,在黄土高原表现尤为突出,研究土壤侵蚀规律,对指导生态建设,恢复良好生态环境具有重要的意义.然而,传统研究土壤侵蚀规律的方法由于自身的局限性,难以对某些土壤侵蚀规律...
Inge EischeidDorothee PutfarkenJutta SandkühlerUlrich MierwaldWerner HärdtleNatur und Landschaft
Raumvorstellungldquo; Experience and the conception of the world in science in transition to modern times ” is the general subject. There are two different points to be made clear, i.e. 1. That the conception of the world had to be made imaginable by art before it could be taken over ...
ESR data and geometry of 2 are reported, as well as those of stannyl radicals 2 , R = PhmMenCCH2 (m + n = 3) generated from the corresponding hydrides. The rotation around CSn bonds is hindered with increasing m. A preferred conformation is concluded from ESR data. Numerous compounds 1...
G. Benz, Negative Ruckkopelung durch Raum- und Nahrungskonkurrenz sowie zyklische Veranderung der Nahrungs- grundlage als Regelsprinzip in der Popultionsdynamik des Grauen Larchenwicklers, Zeiraphera diniana (Guenee) (Lepidoptera, Tortricidae). Zeitschrift fuer angewandte, Entomologie 76 (1974), ...
Gackstatter, FritzAnnalen Der PhysikF. Gackstatter, Ann. Phys. 495 , 352 (1983) MathSciNetF. Gackstatter: U¨ber Planetenbewegung und Lichtbahnen im Schwarzschild- und im Reissner-Nordstr¨om-Raum. Ann. Phys. (Leipzig) 40, 352-374, 1983....