contrast-medium
发表于 2025-3-25 05:13:08
Broth Recycling in Liquid Cultivation of Nostoc Flagelliforme Cells,process. In this study, the recycling of the effluent broth after the collection of . cells and polysaccharides was examined in consecutive batch fermentations with and without new nutrient elements supplemented. . cells grew well in consecutive batch fermentations with broth recycling for three cyc
软弱
发表于 2025-3-25 11:34:57
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labyrinth
发表于 2025-3-25 12:36:55
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抚慰
发表于 2025-3-25 16:57:49
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Conclave
发表于 2025-3-25 22:05:24
A BP Neural Network Activation Function Used in Exchange Rate Forecasting,roved BP neural network activation function. Then propose a new activation function after by analyze influence factor of the exchange rate and design structure of forecasting of the improved BP model. Take simulation forecast for a sample data of the RMB exchange rate. The results show that the impr
杠杆
发表于 2025-3-26 00:09:19
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MITE
发表于 2025-3-26 08:15:17
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宽容
发表于 2025-3-26 10:50:55
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没血色
发表于 2025-3-26 13:58:42
Components from Callus Cultures of , L. and Their Cytotoxicity In Vitro,ed MS medium with 2.0 mg/L NNA. The compounds were identified by analyses of the spectroscopic data the compounds were identified to be the combinations of betulinic acid (1) and oleanolic acid (2). Cytotoxic activations of 1 and 2 were evaluated against three cell lines, WI-38, VA-13 and HepG2. Com
ingrate
发表于 2025-3-26 20:07:23
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