Tips for removing automobile watermark: the treatment method of leaving watermark on automobile paint.
1. Wash with detergent or glass water, rinse with clear water and dry with a rag;
2. Dry and wax after washing the car, which helps to remove the watermark;
3. If the watermark is deep, most scrubbing methods are ineffective, so it needs to be lightly rubbed evenly, and then waxed or revived to repair it, so that the watermark can be completely removed.
Automatic Watermarking Technology: Development History
Jet propelled
1680, Newton, a famous British scientist, conceived the scheme of jet car, which could propel the car by spraying steam through the nozzle, but failed to make it a reality.
steam power
1769, France n &；; MiddotJ & ampMiddot new york made a three-wheeled car driven by steam produced by gas combustion. However, the speed of this kind of car is only 4 kilometers per hour, and it is very troublesome to stop and add coal to the boiler every 15 minutes. Later, the car crashed into a brick wall during a trip and was torn to pieces.
1879, German worker
Cheng Carl &; Mido; Carl Benz Ci successfully tested the two-stroke experimental engine for the first time. 1June, 883, established Ldquo Ben Ci Company and Rheinland Gas Engine Factory; 1885, he made the first motor vehicle patented by Ben Ci in Mannheim, which was a three-wheeled vehicle and used a two-stroke single-cylinder gasoline engine with 0.9 horsepower. This car has some basic characteristics of modern cars, such as spark ignition, water cooling cycle, steel tube frame, leaf spring suspension, rear wheel drive, front wheel steering and brake handle. 1886 65438+1October 29th, German engineer Karl &; Mido; Ben Ci applied for a patent for its motor vehicle. In October of 165438+, Karl &; Mido; Ben Ci's tricycle obtained a German patent (patent number: 37435a). This is considered to be the first modern car in the world. For the above reasons, most people basically regard 1886 as the first year of automobile, and some scholars regard Karl &；; Mido; The year (1885) when the first three-wheeled car was manufactured in Ben Ci is considered as the year when the car was born.
1829, James of England invented a steam car with a speed of 25 kilometers per hour, which can be used as a large car. This car is equipped with a heavy boiler and a lot of coal. It emits black smoke, pollutes streets, makes rumbling noise and causes frequent accidents. 1860, French worker Lunoa invented the internal combustion engine, and used a gas engine with about 1 horsepower to drive the car, but the effect was not good. However, cars are made of this kind of internal combustion engine. Since then, many people want to improve the internal combustion engine and need to use it in cars. 1882, German engineer William Daimler began to study internal combustion engines. He invented the automatic ignition device that ignites the engine with electric spark, and then based on this invention, he made an excellent gasoline engine. This kind of engine rotates 900 revolutions per minute, which is simple and compact in structure and can generate great power. 1883, Daimler completed this gasoline engine, and the next year it began to be installed on two-wheelers, tricycles and four-wheelers to manufacture gasoline-powered vehicles. In particular, the gasoline engine four-wheel truck manufactured by 1886 is equipped with an engine of 1.5 horsepower, and the speed reaches 18 km per hour.
petrol
1885 is a decisive breakthrough in automobile invention. At that time, Ben Ci, who worked at Daimler, was also studying cars. 1885, almost at the same time as Daimler, he built a gasoline engine and installed it in the car, running at the speed of 12 km/h, and achieved success. In this year, the British housekeeper also invented a car with a gasoline engine. In addition, Bernard of Italy also invented the automobile, and Puchilov and Vorobov of Russia invented the internal combustion engine automobile.
force
The first person in the world to study electric vehicles was Hungarian engineer Anyos &；; Middotjedlik & Ampampaacute Niederek completed the telex device in the laboratory on 1828. The first practical electric car was invented by American Anderson between 1832 and 1839.
The battery used in this electric car is quite simple and can't be recharged. 1899, Porsche, Germany invented the hub motor, which replaced the chain drive that was widely used in automobiles at that time. fast
Lohner-Porsche electric vehicle is developed, which uses lead-acid battery as power source and is directly driven by front wheel hub motor. This is also the first car named after Porsche. This car is the Touareg of 1900 Paris World Expo.
The name Contente caused a sensation when it first appeared.
Subsequently, Porsche also loaded two hub motors on the rear wheel of Lohner-Porsche, thus giving birth to the world's first four-wheel drive electric vehicle. However, the battery for this car is basically very large in size and weight, with a top speed of only 60 kilometers per hour. In order to solve these problems, 1902, Porsche installed a hub motor driven by an internal combustion engine on this electric vehicle, which is also the first hybrid vehicle in the world.
/kloc-in 0/620, the Italian Blanca invented the Ldquo impact turbine & go and drive a unicycle. 1766, British inventor James &; Mido; Watt (1736- 18 19) improved the steam engine and started the first industrial revolution.
1672, the Jesuit Ferdinand Verbist designed a steam-powered car for the then Emperor China. He is a 65 cm long toy car, which can't carry people or drivers. I'm not sure whether the designed car has been made successfully. This is probably the earliest designed car.
1769, French army engineer Nicolas &; Mido; Joseph and Mido; Nicholas Joseph Kunot specially built the first car driven by a steam engine. This is the first motor vehicle accident in the world, because the steering system failed in the trial operation and crashed into the wall of the arsenal. 1977, Nicholas &; Mido; Joseph and Mido; New Zealand has improved steam cars, with a speed of 95,000 meters per hour and a cargo load of 4-5 tons.
1994, streeter, an Englishman, first put forward the idea of mixing fuel and air to make a mixture for combustion. 1796, the Italian scientist Volts invented the world's first storage battery, which brought a historic turning point to the birth and development of automobiles. 198 1 year, French Leben put forward the principle of gas engine.
1803, the French engineer Trevico (177 1- 1833) used a new type of high-pressure steam engine, which can take 8 people, with an average speed of 13km/h ... Since then, cars driven by steam engines have been applied in practice.
1838, the British inventor Hennert invented the world's first internal combustion engine ignition device, named &; Ldquo: A Revolution in the History of World Automobile Development &; Status:.
1860, French electrical engineer Lionel made the first gas engine that ignited gas with electric spark. 1862, French electrical engineer Lionel invented the two-stroke internal combustion engine. Others began to study the four-stroke engine.
1867, German engineer Kauros &; Mido; Otto (1832- 189 1) successfully developed the world's first reciprocating piston four-stroke gas engine. 1876，kau ROS & amp； Mido； Otto made the first four-stroke internal combustion engine and made it into a single-cylinder horizontal internal combustion engine with a compression ratio of 2.5.
1885, this is the moment when the real modern car was born. This year, German engineer Karl &; Mido; Mercedes-Benz built a tricycle with a 0.85 horsepower gasoline engine in Mannheim. This internal combustion engine car is considered to be the first car in the world because it is the first car driven by gasoline, not a steam engine.
1886, mannheim patent office approved Karl &; Mido; Mercedes-Benz applied for a patent for its successfully developed three-wheeled car at 1885. This day is called the birth day of modern automobile by most people. The following year, Daimler of Germany made the world's first four-wheel car. Later, Kauros &; Mido; Otto announced that he would give up the patent of the four-stroke engine, and basically anyone could make it at will.
1886 65438+1October 29th, Karl &; Mido; Mercedes-Benz won the world's first automobile engine patent. In July of the same year, the world's first four-wheeled vehicle was officially listed. 1888, French self-driving businessman Emile &; Mido; Rogers got permission from Mercedes-Benz to start producing commercial vehicles.
Automatic Watermarking Techniques: Classification
passenger train
As far as its design and technical characteristics are concerned, buses are generally used to carry passengers and their carry-on luggage and/or temporary articles, including the driver's seat, and there are no more than 9 buses at most. Passenger cars include the following 1 1 models. General: ordinary buses, open-top buses, advanced buses, small buses, open-top buses, hatchbacks, station wagons, multi-purpose buses, short-distance buses, off-road buses and special buses.
commercial vehicle
Commercial vehicles are designed and technically used to transport people and goods. They can tow trailers, but they cannot tow buses. General purpose: passenger cars, semi-trailer tractors and trucks.
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