نتایج جستجو برای: fill mine with 24pb
تعداد نتایج: 9211114 فیلتر نتایج به سال:
Sponsored by Defense Threat Reduction Agency Contract DSWA01-98-C-0176 The Mine The cooperating mine was the Morenci Mine operated by Phelps-Dodge in SE Arizona. The scale of the operation is illustrated below. The mine produces over 25% of all US copper. Three to five blasts are detonated daily. During July and August, 31% of the events in the USGS Mine Event List were from this mine. Regional...
Although the focus of the discussion regarding the significance of the error related negatively (ERN/Ne) has been on the cognitive factors reflected in this component, there is now a growing body of research that describes influences of motivation, affective style and other factors of personality on ERN/Ne amplitude. The present study was conducted to further evaluate the relationship between a...
A a common chronic illness among children and youth, affects one school-aged child in 11, or two to three students in a class of 30. Asthma accounts for 14 million lost school days each year. Students with asthma miss instruction while in the health room and may not be fully alert due to lack of sleep from night time asthma symptoms. Schools often lose funding for student absences. Schools are...
Interactions between the MinD and MinE proteins are required for proper placement of the Escherichia coli division septum. The site within MinE that is required for interaction with MinD was mapped by studying the effects of site-directed minE mutations on MinD-MinE interactions in yeast two-hybrid and three-hybrid experiments. This confirmed that the MinE N-terminal domain is responsible for t...
Here we describe microarray expression data (raw and normalized), experimental metadata, and gene-level data with expression statistics from Saccharomyces cerevisiae exposed to simulated asbestos mine drainage from the Vermont Asbestos Group (VAG) Mine on Belvidere Mountain in northern Vermont, USA. For nearly 100 years (between the late 1890s and 1993), chrysotile asbestos fibers were extracte...
In 1993 the Early Bronze Age workshop and habitation site of Goltepe and its associated tin mine, Kestel, became the newest members of the Oriental Institute excavation roster. Excavations at Goltepe during the 1993 season were directed by K. Ashhan Yener and were designed to illuminate the origins, formation, and organization of tin production in the central Taurus Mountains of Turkey. Discove...
For the underhand cut-and-fill mining method, to ensure safe and economic mining, a key issue is correctly determine required strength of artificial roof made cemented paste backfill (CPB). However, determination typically based on historical experience analytical beam formulas, resulting in obtained being unsuitable for actual situation. Therefore, order CPB reasonably accurately, field measur...
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