Mention of the ancient Egyptian culture heritage, people would first think the Nile river Nile is the pyramid, standing in the papyrus, driving on the Nile GuChuan and mystery mummies. They marked in ancient Egypt, science and technology, at the same time, record and height finding millennium civilization development.
In order to be for irrigation, people throughout the 19th century in the Nile river built several LanHeBa. The Aswan Dam in 1970, 1959, 1970, to $10 billion us dollars, built the Aswan Dam is world-famous. The Aswan Dam of the Nile flood control protected each year, residents and crops, still can provide a lot of power. The Aswan high dam in Egypt near Aswan. Is a kind of fill dam. 111 meters high, 4430 volume, long 3830 meters, forming a million cubic meters of reservoir (nasser reservoir capacity for 1689 billion cubic meters. After the completion of the reservoirs irrigated area increased more than 320 thousand hectares, and 28 million hectares of flooded into perennial identify. Egypt and Sudan in the agreement will total water (about 7.4 billion cubic meters) by the two countries, including hempf condescendingly 55.5 billion to Egypt. For reservoir, the migration of the Roman temple worship, essien is 14 million population migration. Formed a new farm. The high dam in Egypt to bring huge benefits. For the first time in history from the Nile water control of flood, make million annually irrigate fields, improve acres of the downstream capacity, high capacity navigable water reservoir, 21 megawatts of 90 meters wide, average 22 kilometers, the development of fisheries can raise compensation to the Mediterranean dam fishing areas of the adverse effects. However DAMS are produced adverse effects, mainly is the Banks of the Nile farmland fertility gradually decrease caused crop, because the fertile silt are left in the reservoir. Egypt now used annually 1,000,000 tons of fertilizer, still not replacing every year by the mud of 40 million tons. The Nile river is the cradle of civilization, the region’s people created splendid culture, in the long history of science has made outstanding contributions. Outstanding representative is the ancient Egypt.
Papyrus reeds shape is like the plant, produced in the Nile delta. Stem triangular, about five meters high, almost 6-8 cm in diameter of root. When used papyrus shoot first, use the knife cortical strip along the direction of growth, and cutting, namely with hammer smote mutually, make juice, drying, the exudation is permanently sliver glued together with pumice, finally, can use, be polished was the most advanced written carrier - papyrus in China, the paper also than he over a thousand years later, as earlier researchers of the ancient Egyptian civilization. But due to inappropriate papyrus folding, cannot make books, so must be many papyrus grow stick piece of writing, and after a roll, became a scroll.
Tags: Egyptian
