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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.
14-07-2023 дата публикации

Fuel supply and control system of ammonia gas engine

Номер: CN116428081A
Автор: WU YUBO, LI XUDONG, JI LIWEI, CHU LIMIN, CHEN LIN, LU JING'AN
Принадлежит:

The invention relates to a fuel supply and control system of an ammonia gas engine, and belongs to the technical field of engines. Comprising a liquid ammonia gas storage tank, an ammonia gas heater, an ammonia gas temperature sensor, an ammonia gas stop valve, an ammonia gas cracker, a radiator, a second fuel injection valve, an ammonia gas mixer and an ammonia gas engine which are sequentially connected. The system further comprises a first fuel injection valve, an engine electronic control unit and an ammonia gas cracker controller. The fuel injection valve I, the fuel injection valve II, the ammonia stop valve, the ammonia temperature sensor and the ammonia cracker controller are respectively connected with the engine electric control unit; and the ammonia gas cracker controller is connected with the ammonia gas cracker. Hydrogen generated by ammonia gas cracking is used as ignition gas, and ammonia gas is ignited in the air cylinder for combustion; compared with a diesel oil or natural ...

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Номер записи: 1
03-11-2010 дата публикации

Lysimachia foenum-graecum hance saponin extract having more than or equal to 30 percent of saponin and extraction process thereof

Номер: CN0101875685A
Автор: RUIYUN YANG, LIMIN CHU, QUANBIN CHEN, HONG LIANG, ZHENFENG CHEN, YUAN LI, YANG RUIYUN, CHU LIMIN, CHEN QUANBIN, LIANG HONG, CHEN ZHENFENG, LI YUAN
Принадлежит:

The invention provides a white crystalline powdered lysimachia foenum-graecum hance saponin extract having more than or equal to 30 percent of saponin, and discloses an extraction process of the extract. By taking lysimachia foenum-graecum hance as a raw material, the extraction process comprises the following steps of: extracting solvent, concentrating, performing resin absorption, performing resin decoloring by washing, eluting with alcoholic solution, collecting eluent, drying, obtaining a crude lysimachia foenum-graecum hance saponin product, heating to dissolve the crude lysimachia foenum-graecum hance saponin product by using alcohol, concentrating, drying and obtaining the white crystalline powdered lysimachia foenum-graecum hance saponin extract having more than or equal to 30 percent of saponin. The extraction process has the advantages of simple process, low production cost, high saponin yield, sufficient and reasonable utilization of the big polar part of the lysimachia foenum-graecum ...

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Номер записи: 2