Functional 发表于 2025-3-30 09:14:32

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勉励 发表于 2025-3-30 15:14:02

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自传 发表于 2025-3-30 19:43:18

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声音刺耳 发表于 2025-3-30 22:25:18

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询问 发表于 2025-3-31 01:05:43

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Congestion 发表于 2025-3-31 06:51:26

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IRS 发表于 2025-3-31 11:04:46

A Systems Analysis of Cerebral Dehydration,1919 and 1921 (1 to 4). The use of urea as a hyperosmotic agent was first reported by Fremont-Smith and Forbes in 1927 (5), who observed that because of its benign characteristics and rapid elimination by the normal kidney, urea held promise for routine clinical applications. In 1956 Javid and Settl

责任 发表于 2025-3-31 17:04:51

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抒情短诗 发表于 2025-3-31 21:06:07

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刺激 发表于 2025-3-31 23:48:33

An Optimization Study of the Pollution Subsystem of the World Dynamics Model,both fixed and free end-point, by using the Green’s theorem and the maximum pri. ciple..The optimal control is characterized by a combination of bang-bang and singular control, with the singular arc forming a turnpike, corre sponding to a zero-growth policy.
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查看完整版本: Titlebook: Variable Structure Systems with Application to Economics and Biology; Proceedings of the S A. Ruberti,R. R. Mohler Conference proceedings 1