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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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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 2. Отображено 2.
08-08-2023 дата публикации

Vacuum freeze-drying method for centrifugal enhanced permeation of fresh berries

Номер: CN116548631A
Автор: LI XIAOYAN, YANG DAHENG, JIAO JIAWEI, DING YIHAN, WANG TIANNA, DONG QINGXIN, GE RUONAN
Принадлежит:

The invention relates to a vacuum freeze-drying method for fresh berries, in particular to a vacuum freeze-drying method for centrifugal enhanced permeation of fresh berries. The problems that a fresh berry vacuum freeze-drying method is low in water removal efficiency, large in energy consumption, prone to collapse and poor in freeze-dried product quality are solved. The method comprises the following steps: quickly freezing fresh berries, and putting the quick-frozen berries into a multi-element high-efficiency penetrating fluid to carry out centrifugal auxiliary reinforced osmotic dehydration; and finally carrying out vacuum freeze drying. The temperature control in the berry drying process is relatively low, the pretreatment method before vacuum freeze drying causes little damage to the microstructure of the berry, the dried berry product can maintain the original cytoskeleton and form, the bound water content of the berry is effectively reduced, the vacuum freeze drying time is saved ...

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Номер записи: 1
25-11-2009 дата публикации

Automatic static calibration device of clearance-changed type current vortex sensor

Номер: CN0101586939A
Автор: WANG TIANNA, ZHANG LIANKAI, TIANNA WANG, LIANKAI ZHANG
Принадлежит:

The invention relates to an automatic static calibration device of a clearance-changed type current vortex sensor. for overcoming the deficit of the manual static calibration device, the automatic static calibration device of a clearance-changed type current vortex sensor, capable of making the calibration of the current vortex sensor automatize, improving the efficiency of the calibration of the current vortex sensor, improving the accuracy of the calibration, storing the result of the static calibration to display in the chart or other form and print, is designed. the invention has the following main technical points: 1, a stepping motor is used for driving a worm wheel mechanism, a turbine drives a micro offset axis; 2, a set of micro- displacement driving mechanism drives a plurality of current vortex disk; 3, a single-chip is used for controlling the stepping motor, processing the outgoing signal of the current vortex preposing device, driving the signal device and processing a operating ...

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Номер записи: 2