反复拉紧 发表于 2025-3-25 04:54:38

Hellmuth Metz-Göckeltor stages can naturally also have resonance circuits as load resistances. In tube amplifiers pentodes are used in conjunction with resonance circuits. The reason for this is that because of the high internal resistance . of the pentode the load resistance, that is the parallel resonance circuit, is

BROOK 发表于 2025-3-25 10:48:13

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使成波状 发表于 2025-3-25 14:07:59

Basics of Sonographic Flow Detectiont examination techniques (Doppler and duplex sonography) use this frequency shift to assess blood flow parameters. The Doppler frequency shift is directly proportional to blood flow velocity. Other influencing variables are the angle between the sound beam and the vessel and the sound transmission f

蜡烛 发表于 2025-3-25 17:36:51

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absorbed 发表于 2025-3-25 22:39:21

Farm Boy Turned Military Psychologist: A Summary of War Deployment Experiences, Struggles, and Coping,mbat zone, the role of a military psychologist can expand to include: carrying stretchers filled with bloodied and blasted soldiers, helping medics overwhelmed by the variety and extent of combat injuries, talking with a young soldier who hours before had witnessed the death of his buddy from an roc

预测 发表于 2025-3-26 03:24:45

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小臼 发表于 2025-3-26 05:34:12

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公理 发表于 2025-3-26 08:51:01

Jean Prestet’s ,: A Cartesian textbook by a Cartesian Author?as integers, and to renew and extend Diophantine analysis as well as combinatorial questions. These features, in return, challenged both Prestet’s publisher and Descartes’viewpoint. These interconnected aspects of Prestet’s treatise, several editions of which are kept in the Russell Library, are discussed here.

chiropractor 发表于 2025-3-26 14:16:56

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BABY 发表于 2025-3-26 18:13:44

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查看完整版本: Titlebook: Reactivities; W. Heitz,H.-G. Batz,E. J. Goethals Conference proceedings 1977 Springer-Verlag Berlin Heidelberg 1977 Nucleophile.polymer.po