Conduit
发表于 2025-3-25 06:00:14
G. Ollenschläger,P. Schauderory pioneered by Ronald W. Shephard in three of his books, Cost and Production Functions (1953), Theory of Cost and Produc tion Functions (1970), and Indirect Production Functions (1974). In this way, newcomers to the field would have easy access to these important ideas. In adg,ition, we report a
receptors
发表于 2025-3-25 08:04:33
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强化
发表于 2025-3-25 12:31:04
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prostate-gland
发表于 2025-3-25 18:28:42
Examples of Bioadhesives for Defence and Predationerbly adapted in terms of chemical composition and biomechanical properties to the requirements of those organisms producing them. More than 100 marine and terrestrial organisms are known to produce adhesives, some of them since 500 million years. However, only little is known about the composition,
音乐会
发表于 2025-3-25 21:20:24
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Opponent
发表于 2025-3-26 04:07:03
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Panacea
发表于 2025-3-26 07:45:59
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STERN
发表于 2025-3-26 09:49:51
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合同
发表于 2025-3-26 14:38:46
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Rebate
发表于 2025-3-26 20:40:58
New Frontiers of Polyolefins and Advanced Olefin-Based Alloysthe first industrial process for the production of polypropylene in 1957. Although the stereoregularity of these polymers was sufficient, the efficiency of the TiCl. catalysts was low (3000–5000 g. polymer/g. Ti) , and extracting of the polymer was required in order to remove catalyst residues and provide a practical, useful resin.