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To improve the success rate of locating hydrocarbon reservoirs in pre-Cenozoic inland compressional basins, taking the Early Yanshanian succession of eastern Yihezhuang salient as an example, this paper studied the sedimentary facies and sequence stratigraphic patterns. First, through seismic profiles, well logs, cores and outcrops, the sequence framework was established and internal sedimentary facies...
In recent years, the level of mechanization is developing, the production conditions and processes of coal are becoming complex, so the scope of using electromechanical equipment is increasing greatly. But the efficient equipment management that is still in the state of extensive management started late in the coal mine and management methods of traditional mechanical equipment will not be able to...
With the popular J2EE architecture, Using the MVC design pattern and two common framework of Struts and Hibernate in JavaWeb area, Design and implementation of comprehensive statistical information management system, and describes the system implementation process.
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.