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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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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 4. Отображено 4.
25-11-2015 дата публикации

Oblique axis arc tooth awl fluted disc

Номер: CN0204805469U
Автор: LI PINGCHAO
Принадлежит:

The utility model discloses an oblique axis arc tooth awl fluted disc, the modulus is 4, the number of teeth is 34, the normal direction profile angle is 20, reference diameter is 136mm, reference cone angle 69.08, the root cone angle 64.73, the conical distance is 72.8mm, the helical angle is 25, the spiral revolves to being dextrorotation, it is - 0.333 radially to become the coefficient, it is - 0.065 that the tangential becomes the coefficient, the total depth is 7.6mm, the crossed axis angle is 90, the sideshake is 0.35um, the addendum coefficient is 0.85, the radial clearance coefficient is 0.2, the utility model discloses oblique axis arc tooth awl fluted disc, its contact ratio and overlap ratio are at the 1.9 -2.1 within range, and the contact region is great, and bearing nature is better, and the work noise is less, the great problem that prevents contact zone drift in the working process that also can be better of the contact region simultaneously, and its sideshake is less simultaneously ...

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Номер записи: 1
12-03-2014 дата публикации

Method for analyzing influences of grain sizes on magnetic performance of non-oriented silicon steel on basis of principal components regression analysis

Номер: CN103632013A
Автор: ZHAO ZHIYI, CHEN LINGFENG, WANG BAOMING, HUANG SAI, WEN QIANGMIAO, LI PINGCHAO, XUE RUNDONG
Принадлежит:

The invention relates to a method for analyzing the influences of grain sizes on the magnetic performance of non-oriented silicon steel on the basis of principal component regression analysis. The method comprises the following steps: measuring the content of grains with different size ranges in the non-oriented silicon steel; standardizing all data; performing dimension reduction on the content data of the grains with different size ranges; calculating a characteristic value and determining a principal component and an expression thereof; performing regression analysis and performing significance testing on a regression equation; and converting the regression equation into a multivariate linear relation between the contents of grains with different size ranges and the magnetic performance of the non-oriented silicon steel by using inverse operation of a standard difference standardization method. According to the method, a multivariable program can be analyzed effectively, and the multivariate ...

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Номер записи: 2
28-05-2014 дата публикации

Principal component regression analysis method for analyzing influence of texture components on magnetic induction of non-oriented silicon steel

Номер: CN103823975A
Автор: ZHAO ZHIYI, WANG BAOMING, CHEN LINGFENG, WEN QIANGMIAO, LI PINGCHAO, HUANG SAI, XUE RUNDONG
Принадлежит:

The invention relates to a principal component regression analysis method for analyzing influence of texture components on magnetic induction of non-oriented silicon steel. The principal component regression analysis method comprises the steps of measuring contents of different texture components in the non-oriented silicon steel; performing standardized processing on all the data; performing dimension reduction processing on statistical data; calculating a characteristic value, and determining quantities of principal components and expressions of the principal components; performing regression analysis, and performing significance testing on a regression equation; if the regression equation has non-significant independent variables, performing significance testing on the independent variables; transforming the regression equation into a multivariate linear equation of magnetic induction about the contents of different texture components through inverse operation of a standard deviation ...

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Номер записи: 3
28-05-2014 дата публикации

Principal component regression analysis method of non-oriented silicon steel magnetism performance influence factor

Номер: CN103823974A
Автор: ZHAO ZHIYI, WANG BAOMING, CHEN LINGFENG, LI PINGCHAO, WEN QIANGMIAO, ZHAO DONGHONG, XUE RUNDONG
Принадлежит:

The invention relates to a principal component regression analysis method of a non-oriented silicon steel magnetism performance influence factor. According to the method, the content of inclusions in different size intervals of non-oriented silicon steel of the same mark, the content of beneficial and harmful textured components and the content of crystal particles within different size ranges are recorded; standardized processing and dimension reduction processing are carried out on all data; a feature value is calculated, and the number of principal components and expressions of the principal components are determined; regression analysis is carried out, and a significance test is carried out on a regression equation; if a non-significant independent variable exists in the regression equation, the significance test is carried out on the independent variable; the regression equation is converted to a multielement linear relation between the sizes of the inclusions, the textured components ...

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Номер записи: 4