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517 results on '"Yin, Shaowu"'

10. A Joint Optimization Approach on Monthly Balancing Mechanism and Unit Maintenance Scheduling

Author

Zhang Huie, Liu Dagui, Yin Shaowu, Wang Weiqing, Bai Caiqing, and Zhang Huimin

Subjects
Fuzzy chance-constrained programming, balancing mechanism, long-term transactions, maintenance scheduling, contract power, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Abstract

In the Chinese electricity market, the deviation between monthly actual electricity demand and generation plans has become particularly prominent amidst deepening power system reform. This study focuses on the uncertainties of wind power and photovoltaic power generation in the medium to long term electricity market. It also examines the impact of maintenance scheduling for conventional generation units on the implementation of medium to long-term generation scheduling plans. The article proposes a model for optimizing the joint generation and maintenance scheduling on a monthly basis. The model is based on deviation handling and employs upward and downward price incentive mechanisms. The aim is to minimize the cost of adjusting the deviation of monthly transaction contract quantities. To deal with the challenges posed by source-load uncertainties, the model utilizes fuzzy chance-constrained programming. The research findings confirm that the proposed model can significantly reduce system operating costs, curtailment of wind power and photovoltaic power, and enhance the market integration of renewable energy. Additionally, it can achieve uniformity in the completion rate of monthly contract quantities for conventional thermal power units, ensuring a balanced power system in terms of economy and security. The study presents an optimization method for executing contract quantities in the electricity market, contributing to improved efficiency in power resource allocation and reduced energy losses. The research enriches the theoretical foundation of power system scheduling and provides practical operational guidelines for power dispatch, making it significant for promoting sustainable development in the power industry and ensuring energy security.

Published
2024
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44. Characterization of HSP70 and HSP90 Gene Family in Takifugu fasciatus and Their Expression Profiles on Biotic and Abiotic Stresses Response.

Author

Zhang, Wenwen, Qian, Ziang, Ji, Jie, Wang, Tao, Yin, Shaowu, and Zhang, Kai

Abstract

Background: Heat shock proteins (HSPs) play crucial roles in response to temperature changes and biotic stresses. However, the HSP gene family in the pufferfish (Takifugu fasciatus) herring has not been comprehensively investigated. Methods and Results: This study presents a systematic analysis of the HSP70 and HSP90 gene families in T. fasciatus, focusing on gene characterization, conserved structural domains, molecular evolutionary history, and expression patterns of the HSP gene family under stress conditions. The findings reveal that 16 HSP genes are evolutionarily conserved, while hspa4 and hsp90aa appear specific to teleost fish. HSP genes exhibit widespread expression across 11 examined tissues, with most demonstrating high expression levels in the heart, brain, and liver. Furthermore, T. fasciatus was subjected to cryogenic and biotic stresses, revealing distinct expression patterns of HSPs under various stress conditions. The response of HSPs to cold stress and Aeromonas hydrophila infection was sustained. In contrast, gene expression of HSPs significantly changed only in the pre-infection period following Ichthyophthirius multifiliis infection, gradually returning to normal levels in the later stages. Conclusions: These experimental results provide a foundation for further in-depth investigations into the characteristics and functions of HSPs in T. fasciatus. [ABSTRACT FROM AUTHOR]

Published
2024
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