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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.
23-06-2023 дата публикации

Method for repairing ancient building crack by using 3D printing model

Номер: CN116290880A
Автор: LIU JIE, WANG YALEI, FU YIJIE, SONG ZHOUYU, YANG JUNJIE, BAO XIAOPENG, WANG MINGYUAN, LIU WANGHAO, HU GEGE, CHEN ZHENXUN, TUO MINGMIN, SONG GUOFENG, ZHANG KEXIN, MAO KUN, TANG JIALIN
Принадлежит:

The invention provides a method for repairing ancient building cracks by using a 3D printing model, and aims to provide a scientific and advanced refined repairing construction method for repairing ancient building wall cracks, the method can be used for repairing wall cracks, especially integral through cracks, and the repairing efficiency is improved. The method has great advantages in repair of complex cracks with a large number and different shapes and the like; according to the method, the cost of adopted materials is low, part of the materials can come from waste bricks and stones of ancient buildings, the device can be repeatedly used, construction operation is easy, and the method has wide engineering practical significance and application prospects.

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Номер записи: 1
08-07-2015 дата публикации

Solid toilet cleanser and preparation method thereof

Номер: CN104762141A
Автор: CHEN XIN, SHI JUAN, SONG ZHOUYU, FAN YUJIE
Принадлежит:

The invention discloses a solid toilet cleanser. The solid toilet cleanser is prepared from the following components, by mass, 30-40% of anhydrous sodium sulphate, 3-5% of microcrystalline cellulose, 3-5% of hydroxyethyl cellulose, 15-20% of sodium bicarbonate, 12-15% of sodium dodecyl benzene sulfonate, 5-10% of liquid 6501, 3-7% of sodium stearate, 5-8% of dodecylbenzene sulfonic acid, 3-7% of AES and 3-5% of a surfactant TX-10, and the sum of the mass percentage contents of all the components is 100%. The solid toilet cleanser has the advantages of good scale inhibiting and toilet cleaning effects, small dissolving rate in water, long service time, constant and uniform release speed of effective components in the solid toilet cleanser, and long time maintenance of the toilet cleaning effect. The invention also discloses a preparation method of the solid toilet cleanser. The method comprises the steps of weighing materials, mixing, and molding. The preparation method has the advantages ...

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Номер записи: 2