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.
The article discusses how blasting activities in all four pits at Thunder Basin's Black Thunder mine (USA) are focused on cast efficiences. With widths varying from 190 ft to 265 ft and bench heights varying from 90 to 175 ft, casting efficiencies vary with differing geometry. For example, the percent cast to final in the 200-ft pit is on the average higher than the 270-ft pit. The powder factors...
In this study several activities of the venom of Ornithorhynchus anatinus have been investigated. Whole venom induced local oedema after subplantar injection and produced relaxation of the rat uterus in vitro. The relaxant activity was partially purified by gel permeation HPLC and subsequent analyses by SDS-PAGE revealed that this activity was associated with a 4200 mol. wt peptide. The N-terminal...
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.