We know that today's science and technology are more and more developed, and many technological inventions are very humanized to reduce the burden on humanity. The performance of the car is also getting better and better. The smart driving that Mercedes-Benz develops is also maturing. The world's little by little changes, whether we can let the space flow in the future, and whether several cars are parked for more than one, you can expect this. ? Xiaobian went from the bus to the subway in the morning, and the 5-minute drive took half an hour. It can be seen that the urban traffic problem is very serious, and the morning and evening peaks are a proper “blocking†word. To deal with the problem of urban traffic, we must first abandon the idea of ​​solving all problems in different cities through a means. Or, apply a famous saying in software engineering. There is no silver bullet. Auto-driving or smart sharing and public transportation can all help alleviate urban traffic problems. So, which side do you support? Below, let Xiaobian analyze it for everyone. First of all, the significance of developing autonomous driving is to improve traffic order, reduce traffic accidents and congestion, and increase the flow of roads. If we share a driverless car, the efficiency of space flow will increase a lot, and this wave of people will finish the next batch and immediately get on the train. At the same time, the cost of vehicles is reduced, pollution is greatly reduced, and the use of our private cars is also enhanced. However, public transportation in our daily life is basically subway transit and taxi. The carrying capacity of these three parties decreased in turn, and the accuracy of delivery increased in turn. (Metro stations are usually far away from home, and taxis are sent directly to the door of the house) This kind of automatic driving unmanned vehicle is more like an upgraded version of a traditional taxi, which can provide more accurate point-to-point transportation (taxi but also on the street Barriers, and this kind of direct drive to the door of the house). And the user can make a reservation through the terminal such as the iphone, and then the central server can plan uniformly, which is very flexible and efficient. If you do not consider issues such as cost and road congestion, this is certainly the best plan, but in total there are so many roads, everyone is sitting and it should be blocked. Can we turn buses into people? However, I feel no change. The relatively automatic driving of unmanned buses by buses is a breakthrough, but it is by no means a breakthrough in improving social effects. If all vehicles are scheduled in unison, violations will be greatly reduced, and the improvement of traffic efficiency will be incalculable, and space will flow faster. This is also the significance of autonomous driving technology for normative behavior. However, how can buses change and develop to improve the signs of congestion in cities? This is a question of balance and coordination between private cars and buses. Therefore, we cannot use only one of its two alternatives. Traffic is a system that requires multiple, rather than a single mode of transportation, to meet different transportation needs. In addition, the system also needs to coordinate with each other internally instead of either or both. Let us look forward to the flow of space, increase traffic efficiency, give you some more sleep in the morning, make you feel happy after work, and make your holiday no longer worry.
The fluorinated mica crystals have very good
high temperature resistance, corrosion resistance and light transmission
properties, and can work for a long time at a high temperature of 1100°C.
No reaction occurs
with strong acids and alkalis; complete light transmittance (pure and
transparent). The natural mica plates traditionally used in the observation
window of high-pressure boiler water level gauge are all brown, and the light
transmittance is not good, and the temperature resistance is in the range of
200-700°C, especially the corrosion resistance is poor. The boiler steam drum
water in thermal power plants contains alkali. After reacting with natural mica
and alkali, it is washed with hot air and hot water, and it is prone to
fluffing, scaling, and being broken. In the short term (about 1-2 months), the
water level is not clearly understood. After being broken, it can easily cause
leakage. The fluorite mica does not react with the acid-base solution, and does
not react with water in the hydration reaction, so that it does not form a
layer, does not scale, and does not break. In the long-term (2 to 3 years)
scouring of high-temperature and high-pressure water (including acid and
alkali), the original clarity and transparency can still be maintained. In
China, it has been widely applied to the observation window of steam boiler
water level gauge in high-pressure boilers of thermal power plants. It has also
been selected by Japanese BBK company and NDK (Colin) company for the
observation window of high pressure boiler drum level gauge.
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