2019-11-27 ensp 0183 ensp Grinding behaviour of coal in different size-reduction Powder Technology 49 1987 191 192 Grinding Behaviour of Coal in Different Size-Reduction Systems S F SCIESZKA Energy Research Institute University of Cape Town Private Bag Rondebosch 7700 South Africa Received January 24 1986 191 SUMMARY It was found that it is easer to grind some coals in ball-race mills and others in...
ensp 0183 ensp This hill of particularly loose shale gives way easily under pressure sending shards of rock tumbling down the slope to the north Larger stones are sometimes dislodged as well an ever-present danger for any inattentive traveller in this area The lower ground to the north is much firmer and it widens into a low valley amidst the hills The...
2020-2-21 ensp 0183 ensp Mike Bloomberg s 2020 campaign has put up billboards trolling President Donald Trump for eating burnt steak cheating at golf and losing the popular vote in several Western states The former Wal...
2019-7-26 ensp 0183 ensp CUBA AND HER PEOPLE OF TO-DAY CHAPTER I THE ISLAND OF CUBA If a line were drawn directly south from Pittsburg it would almost pass through the middle of Cuba The Island which is the largest of the Antillean group lies about fifty miles distant from Santo Domingo and somewhat more than eighty miles from Jamaica...
2020-4-9 ensp 0183 ensp Index of references to Russia in Global Information Space with daily updates...
2020-5-15 ensp 0183 ensp The northern and southern walls measured respectively 175 yards and the western and eastern walls 140 yards covering thus an area of 5 acres and 10 perches or 24 500 square yards The eastern wall in 1765 stood still 6 feet to 7 feet in height and was lowered to 3 yards to 4 feet 80 yards away from its northern termination where the Porta pr 230 toria was placed...
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