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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

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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Форма поиска

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 3. Отображено 3.
28-04-2023 дата публикации

Device and method for quantitatively collecting and sampling trace elements in farmland soil

Номер: CN116026636A
Автор: CUI YONGZENG, ZHENG MENGJING, LI QIAN, LYU LIHUA, HUANG JINAN, DONG ZHIQIANG, ZHANG FENG, JIA XIULING
Принадлежит:

The invention relates to the technical field of sampling devices, in particular to a farmland soil trace element quantitative collecting and sampling device and method.The bottom end of a soil penetrating cylinder is fixedly connected with a drill bit, the soil penetrating cylinder is hollow and comprises an upper half section and a lower half section of the soil penetrating cylinder, and a taking opening window is formed between the upper half section and the lower half section of the soil penetrating cylinder; the upper half section and the lower half section of the soil penetrating cylinder are connected through connecting rods, the connecting rods are concentrated on one side of the soil penetrating cylinder, the opening taking window can be opened after entering soil, a rotating disc is arranged on the inner side of the soil penetrating cylinder and can move upwards to the opening taking window, and an elastic metal strip is arranged on the inner side of the rotating disc in a sliding ...

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Номер записи: 1
11-07-2023 дата публикации

Crop pest identification method and device and terminal equipment

Номер: CN116416604A
Автор: CUI YONGZENG, HAN XIAOHUI, LI QIAN, LYU LIHUA, JI JUNJIE, ZHENG MENGJING, ZHAI LICHAO, ZHANG JINGTING, ZHANG FENG, YAO HAIPO
Принадлежит:

The invention is suitable for the technical field of pest recognition, and provides a crop pest recognition method and device and terminal equipment, and the method comprises the steps: obtaining a data set of crop pest picture samples, and dividing the data set into a training set and a test set according to a preset proportion; a kernel extreme learning machine KELM model and a capstan search algorithm CapSA model are constructed, the KELM model and the CapSA model are combined, a CapSA-KELM first model is constructed, the KELM model comprises a regularization coefficient C and a kernel function parameter sigma, and an optimal fitness value output by the CapSA model comprises an optimal regularization coefficient C and an optimal kernel function parameter sigma; the training set is adopted to train the first model, and a CapSA-KELM second model is generated; and testing the second model by using the test set to obtain the recognition accuracy of the second model, and evaluating the recognition ...

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Номер записи: 2
26-05-2023 дата публикации

Fertilizing method for promoting filling and filling of vulnerable grains of densely-planted corn

Номер: CN116158245A
Автор: ZHAI LICHAO, ZHENG MENGJING, CUI YONGZENG, ZHANG LIHUA, YAO HAIPO, JIA XIULING
Принадлежит:

The invention relates to the technical field of agricultural planting, in particular to a fertilizing method for promoting filling and filling of vulnerable grains of densely-planted corn. The fertilizing method comprises the steps of base fertilizer application and topdressing application. The application amount of the base fertilizer is as follows: 50%-70% of nitrogen fertilizer with recommended nitrogen application amount, 90%-110% of phosphorus fertilizer with recommended phosphorus application amount and 90%-110% of potassium fertilizer with recommended potassium application amount; the base fertilizer comprises an organic fertilizer and a chemical fertilizer, and the application amount of the nitrogen fertilizer in the organic fertilizer accounts for 40-100% of the application amount of the nitrogen fertilizer in the base fertilizer; the application amount of the additional fertilizer is 30-50% of the recommended nitrogen application amount of the nitrogen fertilizer. The fertilizing ...

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Номер записи: 3