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Distributionally Robust Newsvendor Model for fresh products under Cap-and-Offset Regulation

Computer Modeling in Engineering & Sciences 2023年第8期136卷 1813-1833页

作者： Xuan Zhao Jianteng Xu Hongling Lu College of Business Yantai Nanshan UniversityYantai265713China School of Management Qufu Normal UniversityRizhao276826China

The cap-and-offset regulation is a practical scheme to lessen carbon *** retailer selling fresh products can adopt sustainable technologies to lessen greenhouse gas *** aim to analyze the optimal joint strategies on order quantity and sustainable technology investment when the retailer faces stochastic market demand and can only acquire the mean and variance of distribution *** construct a distributionally robust optimization model and use the Karush-Kuhn-Tucker(KKT)conditions to solve the analytic formula of optimal *** comparing the models with and without investing in sustainable technologies,we examine the effect of sustainable technologies on the operational management decisions of the ***,some computational examples are applied to analyze the impact of critical factors on operational strategies,and some managerial insights are given based on the analysis results.

关键词： Distributionally robust optimization KKT conditions cap-and-offset regulation fresh products

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Comparison of Anti-inflammatory and Analgesic Effects of fresh and Dry products of Zhuang Medicine Asystaia gangetica

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Medicinal Plant 2020年第3期11卷 74-77页

作者： Ke YANG Xianxing LIANG Ning XU Qiuli LONG Fang CHEN Chunhui ZENG College of Pharmacy Guangxi University of Chinese Medicine Nanning 530200 China

[Objectives]To compare anti-inflammatory and analgesic effects of fresh and dry products of Zhuang medicine Asystaia gangetica on mice.[Methods]Experiments were performed using glacial acetic acid to increase capillary permeability in mice,cotton ball to cause granulomatous formation in mice,xylene to cause auricular swelling in mice,chronic inflammation,and acetic acid-induced pain and hot-plate ***,the anti-inflammatory and analgesic effects of fresh and dry products of *** on mice were observed with the indicators of capillary permeability in the abdominal cavity,swelling rate of auricles,cotton ball granulomas and writhing times,and thermal pain threshold.[Results]fresh products of *** had significant inhibitory effects on peritoneal capillary permeability increase in mice induced by glacial acetic acid,mouse auricle swelling induced by xylene,and mouse granuloma formation induced by cotton *** products of *** also significantly inhibited the auricle swelling in mice induced by xylene,but the effect intensity was weaker than that of fresh *** addition,dry products of *** showed a certain tendency to inhibit the increase of capillary permeability in the abdominal cavity of mice induced by glacial acetic *** the analgesic experiment,both fresh and dry products of *** showed better analgesic effect,but caused pain on the hot plate,and the analgesic effect time of fresh products was shorter than that of dry products.[Conclusions]Both fresh and dry products of Zhuang medicine *** have certain anti-inflammatory and analgesic effects.

关键词： Asystaia gangetica Anti-inflammatory Analgesic fresh products Dry products

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Problems in Storage of Dendrobium officinale and Study on Its Preservation Technology

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Medicinal Plant 2021年第6期12卷 40-43页

作者： Yingjun ZHOU Huizhou Engineering Vocational College Huizhou 516023 China

Due to extensive harvesting,the ecological environment of Dendrobium officinale has been destroyed,and there are very few wild *** *** the tissue culture technology of *** continues to mature,there are more and more imitation,wild cultivation,greenhouse cultivation and other large-scale production of *** to meet the market demand,but the storage and preservation of fresh products is a big *** existing problems in storage of *** and its preservation technology are discussed,so as to provide some reference for the storage and preservation of *** fresh products.

关键词： Dendrobium officinale fresh products Storage Preservation technology

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