| 1 | How to Implement the Wholesale Price Contract: Considering Competition between Supply Chains显示文摘In this paper,we develop the price competition model of two supply chains,in which each supply chain includes one core manufacturer and one retailer,respectively.The manufacturer in each supply chain sells products to the retailer through a commonly-used wholesale price contract.Each manufacturer has two options to implement the wholesale price contract:playing the Stackelberg game with the retailer and playing the bargaining game with the retailer.Based on the manufacturer's two alternative performing modes in each supply chain,we consider four combined performing modes of two competitive supply chains in the model.By comparing equilibrium results,we find that when both manufacturers choose to bargain with retailers,the sales volume increases and the sales price decreases.Moreover,the manufacturers'mode option is affected by bargaining power,product quality level,and the cost of improving product quality.Specifically,when both bargaining power and the cost of improving product quality are relatively small,both manufacturers choose to play Stackelberg game with retailers.When manufacturers'bargaining power is sufficiently large,regardless of the cost of improving product quality,both manufacturers choose to bargain with retailers.Surprisingly,when the manufacturer chooses to bargain the wholesale price with the retailer,higher product quality is not always beneficial to the retailer because the retailer may have to share part of the cost of the manufacturer. | Yongwu Zhou Jie Liu Xiaoli Wu | 2022 | Journal of Systems Science and Systems Engineering2022，31，2： | 0 |
| 2 | Working principle and application of photocatalytic optical fibers for the degradation and conversion of gaseous pollutants显示文摘Photocatalytic optical fibers are promising for the degradation of gaseous and volatile pollutants in air due to their high specific surface area,high light utilization efficiency,easy regeneration,and sustainability.In particular,photocatalytic optical fibers have proven highly useful for the removal and conversion of different kinds of air pollutants in air.However,these fibers suffer from low photocatalytic degradation efficiencies.In this review,we have focused on introducing photocatalytic quartz optical fibers and photocatalytic plastic optical fibers for the degradation and transformation of gas-phase air pollutants.The principle of photocatalytic optical fibers and main methods for improving their photocatalytic and light utilization efficiencies based on semiconductor photocatalytic coatings are summarized.Moreover,the Langmuir-Hinshelwood kinetic rate equation was summarized to analyze the photocatalytic reduction of gaseous pollutants.Finally,an outlook on the future of photocatalytic optical fibers toward the removal and conversion of gaseous air pollutants is discussed. | Wenhao Xiang Jilin Yuan Yongwu Wu Hongyang Luo Chuanbao Xiao Nianbing Zhong Mingfu Zhao Dengjie Zhong Yuanyuan He | 2022 | Chinese Chemical Letters2022，33，8： | 0 |
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