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 5. Отображено 5.
20-07-2011 дата публикации

Production method of high temperature crystalline silicon carbide electrical heating element

Номер: CN0101315822B
Автор: CHEN TIESEN, CHEN ZHANGYOU, ZHENG GUOJUN, TIESEN CHEN, ZHANGYOU CHEN, GUOJUN ZHENG
Принадлежит:

The invention relates to a production method of a high temperature crystallization silicon carbide electrical heating element, which comprises the following steps: green silicon carbide combination is taken as raw material, the mixture is stirred by an agitator for 5 to 10 minutes and mixed evenly; an adhesive is added and stirred for 15 to 45 minutes; the vacuity is not lower than 0.09MPa, and arough product is obtained by down pressing molding; the molded rough product is pushed into an oven for baking, so as to cause the adhesive to volatilize for humidity discharging, and the rough product to be stiffen, the temperature in the oven is 60 to 180 DEG C, and the baking time is 6 to15 hours; the baked product enters a sintering step directly, the sintering temperature is 2300 to 2750 DEGC, and the sintering time is 90 to 120 minutes; the sintered product bonds a heating part and an end together by an adhesive material made of resin according to needs of the market resistance and is put ...

Подробнее
Номер записи: 1
02-06-2023 дата публикации

Method, device and equipment for determining topological structure of power distribution network and storage medium

Номер: CN116207737A
Автор: LI ZHIHUA, WEI CUNLIANG, LI YANBIN, DENG HUIHUA, PAN WENBO, HAN GEUM-KYO, LI JIFANG, LUO HAIBO, LUO WEI, LI LINGYONG, XIE WENMIN, CHEN TIESEN, LIU YUTUO
Принадлежит:

The invention discloses a power distribution network topological structure determination method and device, equipment and a storage medium. The method comprises the following steps: acquiring information model data of each line in the power distribution network, and determining a model analysis result of the information model data; determining path information of each line in the power distribution network according to the model analysis result; and determining the topological structure of the power distribution network according to the path information of each line. According to the technical scheme, the problems of low construction efficiency, poor accuracy and the like of the topological structure of the power distribution network are solved, and the labor cost and the time cost can be reduced while the reliability of the topological structure of the power distribution network is ensured.

Подробнее
Номер записи: 2
09-05-2023 дата публикации

Power grid parallel groove clamp bolt torque range determination method, device and equipment and storage medium

Номер: CN116086681A
Автор: LI MUXUAN, LI ZHIHUA, DENG ZHIYONG, YE ZHIRONG, QIU DAN, ZHU KUN, CHEN JIANXIN, TANG YI, CHEN JIE, DENG QIANGWEI, HUANG JIAMING, HUANG KEYI, LI JUNYU, CHEN TIESEN, CHEN YONGHAO
Принадлежит:

The invention discloses a power grid parallel groove clamp bolt torque range determination method and device, equipment and a storage medium. The method for determining the bolt torque range of the parallel groove clamp of the power grid comprises the following steps: acquiring the allowable maximum temperature rise of the parallel groove clamp, the running current of a wire and the maximum radial pressure which can be borne by the wire; determining the maximum allowable contact resistance of the parallel groove clamp based on the maximum allowable temperature rise and the operation current; determining a minimum pressure value of the parallel groove clamp based on the maximum allowable contact resistance; determining the maximum pressure value of the parallel groove clamp based on the maximum radial pressure; and determining a torque range of a bolt of the parallel groove clamp based on the minimum pressure value and the maximum pressure value. The torque range of the bolt of the parallel ...

Подробнее
Номер записи: 3
03-12-2008 дата публикации

Production method of high temperature crystalline silicon carbide electrical heating element

Номер: CN0101315822A
Автор: CHEN TIESEN, CHEN ZHANGYOU, ZHENG GUOJUN, TIESEN CHEN, ZHANGYOU CHEN, GUOJUN ZHENG
Принадлежит:

The invention relates to a production method of a high temperature crystallization silicon carbide electrical heating element, which comprises the following steps: green silicon carbide combination is taken as raw material, the mixture is stirred by an agitator for 5 to 10 minutes and mixed evenly; an adhesive is added and stirred for 15 to 45 minutes; the vacuity is not lower than 0.09MPa, and a rough product is obtained by down pressing molding; the molded rough product is pushed into an oven for baking, so as to cause the adhesive to volatilize for humidity discharging, and the rough product to be stiffen, the temperature in the oven is 60 to 180 DEG C, and the baking time is 6 to15 hours; the baked product enters a sintering step directly, the sintering temperature is 2300 to 2750 DEG C, and the sintering time is 90 to 120 minutes; the sintered product bonds a heating part and an end together by an adhesive material made of resin according to needs of the market resistance and is put ...

Подробнее
Номер записи: 4
15-08-2023 дата публикации

Bypass cable circuit model construction method and device, equipment and storage medium

Номер: CN116595793A
Автор: LI MUXUAN, CHEN JIANXIN, DENG ZHIYONG, LUO SHENGPING, CHEN TIESEN, CHEN YONGHAO, XU BOYU, LIU WENBIN, WAN KANG, QIU WENBIAO, LI ZHENGPING, ZHANG JIANFENG, TANG YI, ZHANG JINSU, ZOU YANG
Принадлежит:

The invention discloses a circuit model construction method, device and equipment of a bypass cable and a storage medium, and the method comprises the steps: selecting equivalent circuits for constructing a circuit model of the bypass cable, calculating the phase difference of the voltages at the two ends of the bypass cable when the circuit model is constructed by n equivalent circuits, and taking the phase difference as a first phase difference, calculating a phase difference of voltages at two ends of the bypass cable as a second phase difference when the circuit model is constructed by the n + 1 equivalent circuits, calculating a difference value of the second phase difference and the first phase difference as a third phase difference, calculating a ratio of the third phase difference and the first phase difference, and determining a value N of n based on the ratio of the third phase difference and the first phase difference, and taking a circuit model constructed by the N equivalent ...

Подробнее
Номер записи: 5