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水电站跨省跨区送电涉及多省份、多品种、多时间尺度等多维度电量曲线分解，且需要考虑复杂的电网调峰等需求，是电站每月发电运行中亟待解决的重要难题。依托实际工程的生产需求，构建了适合跨省、跨区送电的水电站月度合同电量曲线分解模型，考虑保量保价、保量竞价、市场化三类品种电价差异，以及电网调峰、市场和电站运行复杂约束，提出了多省多品种发电收益总和最大的二次规划目标，并采用混合整数线性规划方法实现了模型高效求解。以溪洛渡右岸水电站为依托工程，通过枯期、汛期两个不同的应用场景进行了模型验证，结果表明在满足电网要求的调峰边界条件下，通过优化两省多尺度多品种电量和出力分配，市场化电量优先分配至负荷高峰和平段，可以有效提高电站发电收益。

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Semi conduct or-based photocataiytic technology was selected as a "green" sustain able solution for environmental remediation and energy storage with solar energy. Tn this paper, the advantages and limitations of g-C-3 N-i, as well as the advantages and disadvantages of S-type semiconductors are first introduced, then the electronic structure and photocataiytic properties of g-C3 Ni-based S-type heterojunction photocataiytic materials are introduced. Then the strategies with which to improve the photocataiytic performance of S-type heterojunction photocataiytic materials based on different types of g-C3 N.-i are reviewed, and some of their applications are reviewed. Finally, this review gives the challenges and future development trends of S-heterojunction based on g-C3 N-i, which is expected to provide important references for the development and practical application of g-C3 Ni-based S-heterojunction photocataiytic materials. [ABSTRACT FROM AUTHOR]

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Superimposing gas-bearing systems and their compatibility are the key to commingling production of multi-type unconventional natural gas from coal measures. Based on the pressure, geochemistry of natural gas and production data of the Linxing block, the independent gas-bearing system was divided, and their compatibility for comingling production was investigated. Based on the differences of reservoir pressure gradient, there are at least seven sets of independent pressure systems in the target coal measure. Based on the properties of methane isotopes of natural gas from the actual production seams, three sets of combined production layers, including Tai2 to Shan2 members, He8 to He6 members, He3 member, are not connected.Based on the differences of natural gas production curve, the Shanxi and Shihezi Groups are apparently two independent gas-bearing systems. In summary, there are at least eight independent gas systems, including Qian1-Qian4 member, Qian5 member, He1-He4 member,He5 to H8 member, Shan1 to Tai1 member, tai1-Tai2 member, Ben1 member and Ben2 member. The key factors that affect the compatibility of commingling production from independent gas-bearing systems, such as formation pressure gradient, the thickness of the gas-bearing layer, permeability, and movable water content, were extracted. Optimal partitioning method was adopted to classify the compatibility of comingling production from the different gas-bearing system in the target block. The best classification of gas-bearing system compatibility in the study area is 5-6, and the gas-bearing system compatibility of Qian5, He1-4, and He5-8 are better than those of other systems. [ABSTRACT FROM AUTHOR]

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