Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 8. Отображено 8.
20-10-2010 дата публикации

Leather proficiency testing sample containing heavy metals and preparation method thereof

Номер: CN0101865797A
Автор: XIAOXIA QI, YANG ZHAO, QI XIAOXIA, ZHAO YANG
Принадлежит:

The invention relates to a leather proficiency testing sample containing heavy metals and a preparation method thereof, the heavy metals are added in a matrix till the content is 7.72-9.23mg/kg, and the matrix is leather. The heavy metals comprise cadmium, cobalt, chromium, copper, nickel and lead. The leather proficiency testing sample has the following advantages and benefits: the leather proficiency testing sample can uniformly distribute the trace heavy metals into a substance to be tested, the preparation method of the sample is simple and has high success rate, the leather proficiency testing sample can be stored and transported at normal temperature, and the homogeneity and the stability can achieve the requirements of evaluation guidelines of the homogeneity and the stability of the proficiency testing samples of CNAS-GL03.

Подробнее
Номер записи: 1
16-05-2023 дата публикации

Laser cladding manufacturing device capable of achieving collaborative modification through rolling and cold and hot treatment

Номер: CN116121746A
Автор: LI YANLE, PAN ZHONGTAO, GAO DESHUN, QI XIAOXIA, LI FANGYI, LI JIANFENG, CUI WEIQIANG, NIU JIATING
Принадлежит:

The invention discloses a laser cladding manufacturing device capable of cooperatively modifying by rolling and cold and hot treatment, which can realize the combination of two or more processes through the alternating or composite action of laser cladding, rolling strengthening, heat treatment and cold treatment, meets various modification functions, and solves the problems that laser cladding modification equipment is dispersed in arrangement, complicated in structure, low in cost and the like. And the function is single. Composite efficient manufacturing of laser cladding and rolling strengthening of a metal part can be achieved through the alternate sequence effect of cladding of a laser head and rolling of a rolling head, the spraying area and position of cold and hot nitrogen can be controlled by controlling the shapes of a cold and hot disc and a nitrogen spraying pipe, and cold and hot treatment of complex curved surfaces of different shapes is achieved. The injection amount of ...

Подробнее
Номер записи: 2
02-05-2023 дата публикации

Fair-faced concrete and construction process thereof

Номер: CN116040996A
Автор: SUN JIANWEI, TANG FEIYAN, QI XIAOXIA, ZHOU CHENG, YANG XIAOSONG
Принадлежит:

The invention relates to the field of building materials, and particularly discloses fair-faced concrete and a construction method thereof. The bare concrete comprises the following substances in parts by weight: 1 part of cement, 2.55-9.31 parts of coarse aggregate, 1.38-7.62 parts of fine aggregate, 0.39-1.21 parts of a doping material, 0.4-1.2 parts of an additive, 0-0.154 parts of an expanding agent and 0.42-1.84 parts of water, the fine aggregate comprises medium sand with the mud content of less than or equal to 2%, the fine aggregate further comprises light sand, the additive comprises an air entraining agent, and the expanding agent comprises an air entraining agent. The admixture further comprises a water reducing agent, a thickening agent and a defoaming agent; the preparation method comprises the following steps: S1, mixing the raw materials; s2, preparing a template; s3, preparing the fair-faced concrete. The fair-faced concrete can be used in the fields of subway stations, ...

Подробнее
Номер записи: 3
23-11-2011 дата публикации

Leather proficiency testing sample containing heavy metals and preparation method thereof

Номер: CN0101865797B
Автор: XIAOXIA QI, YANG ZHAO, LIN MA, QI XIAOXIA, ZHAO YANG, MA LIN
Принадлежит:

The invention relates to a leather proficiency testing sample containing heavy metals and a preparation method thereof, the heavy metals are added in a matrix till the content is 7.72-9.23mg/kg, and the matrix is leather. The heavy metals comprise cadmium, cobalt, chromium, copper, nickel and lead. The leather proficiency testing sample has the following advantages and benefits: the leather proficiency testing sample can uniformly distribute the trace heavy metals into a substance to be tested, the preparation method of the sample is simple and has high success rate, the leather proficiency testing sample can be stored and transported at normal temperature, and the homogeneity and the stability can achieve the requirements of evaluation guidelines of the homogeneity and the stability of the proficiency testing samples of CNAS-GL03.

Подробнее
Номер записи: 4
12-05-2010 дата публикации

Parallel-connection type air feeder of compressor

Номер: CN0101705929A
Автор: GAO YUNFENG, QI XIAOXIA, YUNFENG GAO, XIAOXIA QI
Принадлежит:

The invention discloses a parallel-connection type air feeder of a compressor, comprising an oil tank, compressed air oil cylinders, hydraulic systems, an oil filter, a cooler, oil inlet pipes and oil return pipes. The parallel-connection type air feeder of the compressor is characterized in that a plurality of sets of hydraulic systems respectively delivers hydraulic oil to respective compressed air oil cylinders through the oil inlet pipes, and return oil of the plurality of compressed air oil cylinders is delivered into the oil tank by respective hydraulic system through the oil return pipes which are in parallel connection, the cooler and the oil filter. Since a plurality of capacity type hydraulic driving reciprocating compressors are connected in parallel, the average air displacement of the compressor is increased to more than 2500Nm3 from 1200Nm3 of the prior art.

Подробнее
Номер записи: 5
13-06-2023 дата публикации

Rail type movable scaffold for large-space suspended ceiling

Номер: CN116254990A
Автор: SUN JIANWEI, TANG FEIYAN, QI XIAOXIA, ZHOU CHENG, YANG XIAOSONG
Принадлежит:

The invention relates to the field of scaffolds, in particular to a rail type movable scaffold for a large-space suspended ceiling, which comprises a scaffold body and two rails, the rails are arc-shaped, the two rails are arranged on the ground in parallel, and two groups of rolling assemblies are connected to the side wall, facing the rails, of the scaffold body. The rolling assemblies are connected to the two ends of the scaffold body in the extending direction of the track, each rolling assembly comprises two rolling wheels matched with the track, the rolling wheels are coaxially connected with rotating shafts, the rotating shafts are arranged in the direction perpendicular to the extending direction of the track, and the rotating shafts are arranged in the extending direction of the track. The rotating shafts and the rolling wheels are in sliding connection in the axial direction of the rotating shafts, the scaffold body is rotationally connected with mounting blocks, the mounting ...

Подробнее
Номер записи: 6
11-08-2023 дата публикации

In-situ TiC/Fe-based metal ceramic composite wear-resistant powder, coating and preparation method

Номер: CN116571741A
Автор: LI FANGYI, QI XIAOXIA, LI YANLE, CUI WEIQIANG, SUN XINGFU, PAN ZHONGTAO, NIU JIATING
Принадлежит:

The invention relates to in-situ TiC/Fe-based metal ceramic composite wear-resistant powder, a coating and a preparation method, and belongs to the technical field of laser melting deposition. Compared with an existing TiC/Fe-based composite wear-resistant coating in-situ preparation technology, the method has the advantages that the content of graphite (or nickel-coated graphite) in the powder formula is low, the distribution uniformity of an in-situ TiC ceramic reinforced phase in the coating can be effectively improved, the wear resistance of the coating is effectively improved, and low-crack-sensitivity high-performance repair of the surface of a part or preparation of a reinforced coating can be achieved. The composite coating is prepared by ball-milling and mixing pure Ti, nickel-coated graphite and Fe55 alloy powder according to a certain proportion and then adopting a laser melting deposition technology. The in-situ submicron TiC particles uniformly distributed in the Fe-based composite ...

Подробнее
Номер записи: 7
23-06-2023 дата публикации

Autologous collagen and preparation method thereof

Номер: CN116287073A
Автор: WANG HONGBIAO, QI XIAOXIA, YUAN HUI
Принадлежит:

The invention relates to the technical field of collagen preparation, in particular to autologous collagen and a preparation method thereof. According to the method, raw materials derived from animal tissues are prepared into collagen by adopting a biotechnological means. Animal tissues may be derived from marine organisms and mammals, including autologous or allogenic human tissues. The animal tissue is a dermis tissue, a scar tissue or a cartilage tissue obtained by a legal means. The collagen obtained by the preparation method has the advantages of low immunogenicity, good plasticity, long in-vivo maintenance time and the like, can be used for injection from the middle layer to the deep layer of dermis tissues, and can be used as a material or a medicine for facial contour correction, wrinkle filling on the skin surface and concave scar filling and repairing.

Подробнее
Номер записи: 8