difference between profit and nonprofit The car engine is in the design phase, and the fuel used for the compression ratio is set. The compression ratio is a very important structural parameter of the engine, which indicates the volume of the gas at the beginning of the piston at the beginning of compression and the volume ratio of the gas volume at the end of the piston. In terms of power and economy, compression ratio should be bigger and better. The compression ratio is high, the power is good, the heat efficiency is high, the vehicle acceleration, the top speed of the car will be improved accordingly. However, the compression ratio of the gasoline engine is not too large due to the performance of the cylinder material and the vibration of gasoline combustion. In short, a high compression ratio USES a high grade fuel oil. The higher the fuel mark, the slower the oil will burn, and the lower the combustion detonation, the higher the compression ratio of the engine. On the contrary, the low-grade fuel combustion rate is faster, the combustion explosion is large, the engine compression is lower. JuHua shares announcement to United Nations integrated circuit industry investment fund (hereinafter referred to as "funds"), and other joint venture set up in the giant core technology co., LTD. (hereinafter referred to as "the giant core technology"). The company has registered capital of 1 billion yuan, with a total of 390 million yuan invested by the company and the large fund, with a 39 percent stake in each other, and a 22 percent stake in other investors. The investment of securities provides an important means for the central bank to conduct financial macro-control, which is of great significance to the sustainable and efficient development of the national economy. But the DRAM and NAND semiconductor industries have gone from boom to bust in the face of rising prices and the abundance of falling prices. Will it be any different this time? Or is the need for mobile device memory and disk replacement sufficient to continue to delay the abundance until the foreseeable future? In just three days, the yield on the 30-year Treasury bond jumped 16 basis points, the biggest gain since December 2008. The two-year - 30-year spread widened at the fastest rate since last year's U.S. election. This week the yield curve flattens out. Is it a short adjustment or a bear market start? To avoid competition, the company plans to transfer the existing electronic materials business "We are concerned that if the UK decides to leave, it is likely to lead to a weaker pound, higher inflation, lower disposable income and less investment," she said.