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 4. Отображено 4.
26-03-2014 дата публикации

Vehicle detection method based on online area estimation and multi-feature decision fusion

Номер: CN103679214A
Автор: QIN HUABIAO, HUANG ZHAONAN, GUAN WEIXIANG
Принадлежит:

The invention discloses a vehicle detection method based on online area estimation and multi-feature decision fusion. The method includes the steps: preprocessing images; extracting an ROI (region of interest) of a vehicle; building a classification and discrimination model; detecting and discriminating the vehicle. Road traffic video image sequences acquired by a camera are preprocessed, foregrounds and backgrounds of the images are separated, preliminary moving foreground block masses are extracted, foreground block masses in the extracted foreground block masses are screened to obtain a final foreground ROI, and final detection results are obtained by the vehicle detection method based on multi-feature decision fusion. Influence of environments and light noise can be effectively filtered out, the robustness of the extracted ROI of the vehicle in a complex background environment is improved, and accuracy of vehicle detection can be effectively increased while real-time requirements are ...

Подробнее
Номер записи: 1
06-06-2023 дата публикации

Portable main transformer oil temperature meter calibration device

Номер: CN116222822A
Автор: GUAN WEIXIANG, PAN MINGHANG, WU XUEFENG, ZHAO YUANJIE, LIU NAIJIE, LIN KAIFENG, ZHANG WEI, HUANG XIAOFENG, LIU JIEBO, YANG YUNYOU, JIN HUIBO, SHAN XIN, PAN ZHONGDA, WU JIAJUN, LIU HAN, YANG CHENXUAN
Принадлежит:

The invention relates to a portable main transformer oil temperature meter verification device which comprises a micro-control unit, a lithium battery, a verification assembly, a box body and a box cover, a support is arranged in the box body and divides the box body into a first placing cavity, a second placing cavity and a third placing cavity, a drawer is arranged on the box body, the micro-control unit is arranged in the drawer, and the lithium battery is arranged in the drawer. The lithium battery is fixedly connected in the second placement cavity, and a support frame for supporting the verification assembly is arranged in the third placement cavity; according to the invention, the box body is divided into the first placing cavity, the second placing cavity and the third placing cavity through the support, so that the micro-control unit, the lithium battery and the verification assembly can be independently installed in the box body, and mutual collision among the assemblies during ...

Подробнее
Номер записи: 2
18-04-2023 дата публикации

Method for preparing ethanol by catalyzing carbohydrate with monatomic catalyst

Номер: CN115974646A
Автор: WANG AIQIN, GUAN WEIXIANG, LIU FEI, ZHANG TAO
Принадлежит:

The invention provides a method for preparing bioethanol by efficiently catalyzing conversion of carbohydrates with a monatomic catalyst. The auxiliary agent and the active metal in the catalyst are in a monatomic dispersion state. The method provided by the invention is suitable for a tank reactor, the cellulose conversion rate is 100% on a low-load monatomic catalyst, and the space-time yield of ethanol is up to 30.4 gehanol.gmetal <-1 >. H <-1 >, which is far higher than results reported by other literatures and patents. The catalyst is simple and convenient to prepare, low in cost and easy to recover, the product is easy to separate, the reaction process is green and environment-friendly, and the catalyst has excellent ethanol yield and excellent stability. The method for preparing the bioethanol is not only suitable for cellulose, but also suitable for carbohydrates such as glucose, starch and the like and native lignocelluloses such as corncobs, miscanthus sinensis, pine and the like ...

Подробнее
Номер записи: 3
05-05-2023 дата публикации

Pre-activation method of supported metal catalyst, catalyst and application

Номер: CN116060138A
Автор: WANG AIQIN, LIU FEI, BAI FAN, GUAN WEIXIANG, DENG XIANZHOU
Принадлежит:

The invention relates to a pre-activation method of a supported metal catalyst for catalyzing a hydrogenolysis reaction of polyol. The catalyst is composed of a carrier and active components A and B, the carrier is one of aluminum oxide, silicon oxide, zirconium oxide, titanium oxide or a molecular sieve, the active component A is one of tungsten oxide, molybdenum oxide and niobium oxide, and the active component B is one of noble metals ruthenium, rhodium, palladium, iridium and platinum. According to the technical scheme, pure hydrogen or mixed gas containing hydrogen and inert gas and liquid water are adopted as reducing agents, and under the condition that the pre-activation temperature is 80-500 DEG C, hydrogen dissolved in liquid is in contact with a catalyst, according to the technical scheme, the high-valence metal oxide in the catalyst is slowly reduced into the low-valence active metal oxide or metal simple substance, so that the problem of sintering of the catalyst in the hydrogen ...

Подробнее
Номер записи: 4