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Porsche's English logo used the surname of Ferdinand porsche, the founder of the German porsche company. The logo adopts the shield city emblem of Stuttgart, where the company is located. The word "PORSCHE" is at the top of the logo, indicating that the trademark is owned by PORSCHE design company; The "STUTTGART" in the logo is above the horse, indicating the headquarters of the company in STUTTGART. In the middle of the trademark is a horse, which indicates that Stuttgart is rich in a kind of famous horse; The upper left and lower right of the trademark are antler patterns, indicating that Stuttgart used to be a good place to hunt. Trademark upper right and lower left the yellow stripe on behalf of mature wheat color, refers to the grain and make it plentiful and black in the trademark represents fertile land, in the trademark red symbol of the wisdom of the people and for the love of nature, thus formed a deep, exquisite and delicate beautiful pastoral landscapes, shows porsche glorious past, the future of the company and indicate the porsche, porsche's sports car to excel.
Space probe: space probe, deep space probe or space probe. Unmanned spacecraft, the main instrument of space exploration, to explore the moon and the moon in distant objects and space. Space probe loading of scientific instruments, by a rocket into space, fly close to the moon or the planets for close observation, do satellites for long-term observation, landing field or samples for research analysis
Coal based power makes up about almost 41 % with the world's electricity generation. Coal fired power plants operate on the modified Rankine thermodynamic cycle.The efficiency is dictated by the parameters with this thermodynamic cycle. The overall coal plant efficiency ranges from 32 % to 42 %. This is mainly dictated through the Superheat and Reheat steam temperatures and Superheat pressures. Most in the large power plants operate at steam pressures of 170 bar and 570 ??C Superheat, and 570 ?? C reheat temperatures. The efficiencies of such plants range between 35 % to 38 %. Super critical power plants operating at 220 bar and 600/600 ??C is capable of efficiencies of 42 %. Ultra super critical pressure power plants at 300 bar and 600/600 ??C is capable of doing efficiencies inside the selection of 45% to 48 % efficiency.
It is also known as welding long rail line, which is a kind of line that welded normal rails without rail seam. The welding rail is not less than 200 meters long, and the actual application is usually 800~1000 meters or more. The long track is laid in the specified temperature range and fixed on the pillow. The long rail ends with a rail joint, while the middle part cannot scale up and down with the temperature. Therefore, there will be a great temperature pressure in the middle of the rail during the summer, which will produce a great temperature tension in winter. The greatest pressure on the rail and tension according to the years of rail laying and the highest temperature and minimum temperature calculation, rail tracks the maximum pressure should not cause to drum up by maximum tension should not cause rail fracture
A router is often a three-layered network device so that the transfer of internet data derived from one of segment to another, in the header on the tail and vice-versa. It makes utilisation of the free route to transfer your data packets between segments. Routers could also connect segments inside the network that employ different protocols. Moreover, the routers make it possible for all the users in the network share exactly the same Internet or WAN (Wide Area Access) connection. The main advantage of the router could it be aids in enhanced network performance which can be created by:
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