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Небесная энциклопедия

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 5. Отображено 5.
30-03-2011 дата публикации

Method and device for evaluating contamination resistance of modified filter membranes

Номер: CN0101650293B
Принадлежит:

The invention discloses a method and a device for evaluating contamination resistance of modified filter membranes in a membrane bioreactor; the method is that: an air compressor (N2 steel cylinder), an analytical balance, an ultra-filtration reaction cup and a buffering voltage-stabilization vessel are used for measuring resistance of an initial membrane by a water flux measurement method, and membrane contamination resistance is measured by a method for measuring flow rate in sludge, the circulation is carried out for a plurality of times, thereby obtaining the contamination resistance of the membrane.

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06-04-2005 дата публикации

Technological process for extracting gold, silver and palladium from electronic industry waste

Номер: CN0001603432A
Принадлежит:

The invention discloses a kind withdraws golden, the silver, the arrowhead used in ancient times technique from the electronics industry waste residue, he solved the organic matter to withdraw the process to the precious metal the disturbance, realized the minute using the hydrometallurgy technology step to withdraw golden, the silver, the arrowhead used in ancient times goal. The technique has the operating environment well, the cost is inexpensive, the precious metal first experience higher merit which withdraws.

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17-02-2010 дата публикации

Method and device for evaluating contamination resistance of modified filter membranes

Номер: CN0101650293A
Принадлежит:

The invention discloses a method and a device for evaluating contamination resistance of modified filter membranes; the method is that: an air compressor (N2 steel cylinder), an analytical balance, anultra-filtration reaction cup and a buffering voltage-stabilization vessel are used for measuring resistance of an initial membrane by a water flux measurement method, and membrane contamination resistance is measured by a method for measuring flow rate in sludge, the circulation is carried out for a plurality of times, thereby obtaining the contamination resistance of the membrane.

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