The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
It is important to draw real-time data with the upper computer in virtual instrument developing. The requirement of real-time performance cannot be satisfied by using third-part drawing control directly. This paper proposes an algorithm with segmenting the data and sampling to improve the performance of redrawing. In the mean while, the shape of the curve is undistorted, and the part of the curve...
On the basis of introducing Data Envelopment Analysis, 12 samples of a coal group company were analyzed with the mathematical model. The expected output could indeed be achieved after adjusting investing in equipment according to results of data analysis, and the output was consistent with the actual situation. The results showed that: data envelopment analysis was used to optimize deployment of coal...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.