"Thoughts brought about by traffic problems" Traffic and Life PPT Courseware 2 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
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"Thoughts brought about by traffic problems" Traffic and Life PPT Courseware 2
Since the advent of the world's first car in 1886, the number of people killed in traffic accidents worldwide has exceeded 30 million, and is still increasing at a rate of 400,000 every year.
At present, traffic accidents in our country are very serious. In 2011, a total of 238,000 traffic accidents occurred across the country, with 68,000 deaths and 275,000 injuries. Direct economic losses reached 910 million yuan, and an average of 185 people died every day. These figures are shocking.
More than 185,000 teenagers die in road traffic accidents every year, with an average of 507 deaths every day. That means that every two hours, a class of children disappears across the country!
Warm tips
The team works together, divides labor and cooperates, and finds good record-keepers and reporters
Focus on the cause of the disease, first discuss it in a group, and then make a reasonable prescription.
Prescriptions should be organized and written neatly.
Measures to reduce pollution
1. Take measures from the fuel structure to reduce the pollution caused by automobile exhaust to the atmosphere
For example, vigorously promote the use of ethanol gasoline. Ethanol, commonly known as alcohol, ethanol gasoline is a kind of fuel ethanol processed from grain and various plant fibers and ordinary gasoline mixed in a certain proportion to form an alternative energy source. According to my country's national standards, ethanol gasoline is a blend of 90% regular gasoline and 10% fuel ethanol. It can effectively improve the performance and quality of oil products and reduce emissions of major pollutants such as carbon monoxide and hydrocarbons. It does not affect the driving performance of the car and also reduces the emission of harmful gases.
2. Develop hybrid vehicles
The so-called hybrid power device is a combination of an electric motor and an auxiliary power unit in a car to provide driving force. The auxiliary power unit is actually a small fuel engine or power generator set. To put it figuratively, it is to make the traditional engine as small as possible and let part of the power be borne by the battery-motor system. This kind of hybrid power device not only takes advantage of the engine's long working time and good power, but also takes advantage of the electric motor's non-pollution and low noise. The two "fight side by side" and learn from each other's strengths. The thermal efficiency of the car can be increased by more than 10%. Exhaust gas emissions can be improved by more than 30%.
Build green transportation?
Take multiple measures to comprehensively control vehicle exhaust pollution, adopt emission limits, and implement a system that bans vehicles that do not meet standards from driving on the road.
Speed up the construction of subways and light rail lines. Subways and light rails have the advantages of large transportation capacity, fast speed, and no pollution. They are currently recognized as green transportation systems.
Vigorously develop public transportation, expand the coverage of urban bus lines, curb the excessive growth of cars, and eliminate the threat of fuel-powered mopeds.
do you know?
Car exhaust: It is a kind of light blue or gray-black smog, mainly produced by insufficient combustion of gasoline. There are thousands of pollutants, mainly carbon monoxide, nitrogen oxides, hydrocarbons, and lead. , sulfur dioxide, etc.
traffic problem doctor
For the analysis of traffic problems, choose a problem and write a prescription
Group cooperation, the team leader records the team members’ prescriptions
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