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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
08-08-2023 дата публикации

Urbanized region village and town water resource bearing capacity evaluation method and evaluation system

Номер: CN116562498A
Автор: LIU CHENWEI, DU HANBEI, DU SHAOJUAN, LYU YUJUAN, ZHANG LONGJIANG, CAI JINPENG, ZHANG ZEYI
Принадлежит:

The invention relates to an evaluation method and an evaluation system for the water resource bearing capacity of a town in an urbanized region, and an evaluation index system for the water resource bearing capacity of the town in the urbanized region is determined from the four aspects of economic development, social life, ecological environment and water resources. The combined weight method is combined with the improved entropy weight method and the analytic hierarchy process based on the index scale to calculate the comprehensive weight of the evaluation index, so that the scientificity and rationality of the evaluation result are improved. Aiming at the contradictions that rapid urbanization areas generally enter a social and economic high-quality development transformation stage in the urbanization process at the present stage of villages and towns, but the urban construction and economic development requirements and the water resource consumption are large, the water saving level ...

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Номер записи: 1
04-04-2023 дата публикации

Risk assessment method for sudden drainage basin water environment of hazardous chemical substance production enterprise

Номер: CN115901108A
Автор: ZHANG HONGLING, CAI JINPENG, HE FEI, SU JING, JIANG XIN
Принадлежит:

The invention belongs to the technical field of water environment assessment, and discloses a risk assessment method for a sudden drainage basin water environment of a hazardous chemical substance production enterprise. The risk assessment system for the sudden drainage basin water environment of the hazardous chemical substance production enterprise comprises an enterprise production information acquisition module, a hazardous chemical substance leakage detection module, a water quality detection module, a central control module, a water pollution degree judgment module and an assessment module. An early warning module and a display module. According to the invention, the hazardous chemical substance leakage detection module comprehensively adopts the liquid brightness characteristics and the liquid level texture characteristics of the hazardous chemical substances produced by the enterprise to calculate the leakage area of the hazardous chemical substances produced by the enterprise, ...

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Номер записи: 2