和平主义者 发表于 2025-3-25 03:31:14

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annexation 发表于 2025-3-25 10:49:35

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LUCY 发表于 2025-3-25 14:56:00

bial processes occur which break down organic material in oxygen-free environment to produce renewable energy in the form of biogas. AD systems capture odors and gas released from organic degradation, which decrease on-farm odors and methane (CH.) emissions from organic material storage, which is a

jagged 发表于 2025-3-25 18:36:16

bial processes occur which break down organic material in oxygen-free environment to produce renewable energy in the form of biogas. AD systems capture odors and gas released from organic degradation, which decrease on-farm odors and methane (CH.) emissions from organic material storage, which is a

母猪 发表于 2025-3-25 20:45:41

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Somber 发表于 2025-3-26 00:10:47

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孤僻 发表于 2025-3-26 08:02:44

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无弹性 发表于 2025-3-26 09:09:26

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Conscientious 发表于 2025-3-26 14:22:37

1559-7458 ethods for constructing exact solutions are collected in oneDifferential equations, especially nonlinear, present the most effective way for describing complex physical processes. Methods for constructing exact solutions of differential equations play an important role in applied mathematics and mec

补角 发表于 2025-3-26 18:43:49

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查看完整版本: Titlebook: Methods for Constructing Exact Solutions of Partial Differential Equations; Mathematical and Ana S. V. Meleshko Book 2005 Springer-Verlag U