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. At present, there are 89, 92, 95 and other labels on the market, which represent the octane value of gasoline, which means the anti-detonation of gasoline, which has nothing to do with the cleaning of gasoline. The so-called "high label gasoline is cleaner" is misleading. It is more scientific, more economical, and can give full play to the engine's efficiency according to the engine compression ratio or the requirement of the automobile instruction manual. Hawaiian Tourist Relay Race. This game has several variations nevertheless the general gist is coordinating a typical relay race where each team member runs to a point (where there's a suitcase, duffle bag, something that could hold clothes and says 'travel'), eliminates a write-up of clothing (or several), puts every one of them on, receives a nod from your referee, then takes those items off and runs returning to tag the subsequent runner in their team. For your Hawaiian event, put different kinds of beach components of a suitcase (taking place vacation) or beach bag. Possible items would include nose block, sunglasses, sun hat, swim shorts, sandals, pooka shell necklace (this is very tough to place on a lot more a hurry?that dumb clasp), etc. A popular variation for this would be to have each team form a line. The first person is to put all those things on, obtain a nod from a referee, then remove the items handing them to the c's member standing right beside them for he/she in turn to then placed on. This next team member might be putting on those items as the first is removing. However, that second team member cannot start passing his items on until he could be wearing ALL the things the first team member was wearing. THEN and just then can he/she begin removing those items to hand to another person. As a fun note, make those items to place on silly and fun. All in all, Mr Trump is like a populist in the populist outfit - a pluto-populist. But why does his base allow him to avoid pursuing policies that hurt them mainly? According to an opinion, he is betting on social conservatives and white blue-collar supporters in rural areas to nationalism and religious sentiment and antipathy towards the coast of secular elite vote, on the basis of not for their own economic interests. 3. The cost of accounting earnings is listed in historical cost. Due to the current accounting practice in the enterprise asset is measured at the historical cost in, with the cost nature is the historical cost has been derived from the law of the transfer, so as to determine the income is an important factor in the cost and the historical cost. Famous British economist hicks and others argue that the above theory did not consider the factor of income, and therefore unable to determine the level of interest rates, in 1937, and puts forward the is-lm model on the basis of general equilibrium theory. It establishes a theory of interest rates and income at the same time that the four factors of savings and investment, money supply and monetary demand interact.