Nitrogen flow meter for furnace | E Steel 11 Metallurgical Professional English Exam Questions and Answers | Flow meter distributor

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1. Write an English essay about writing to the mayor about environmental pollution (no less than 80 words)

Human factors: City of toxic particulate matter sources: Firstly, car exhaust. Large vehicles that use diesel are the "culprits" of PM10 emissions, including buses, shuttle buses of various units, and large transport trucks. The source of toxic particulate matter in cities: firstly, automobile exhaust. Vehicles that use diesel are a "repeat offender" in emitting fine particulate matter. Although small cars that use gasoline emit gaseous pollutants such as nitrogen oxides, they are also easily converted into secondary particulate pollutants during foggy weather, exacerbating smog. The first: is automobile exhaust. The large vehicle use diesel is PM10 emissions "repeat", including the big bus, each unit of the train, and large transport trucks. City of toxic particulate matter sources: the first is the automobile tail gas. Emissions of fine particles aggregated consequential offense "is the use of diesel car". Small cars use gasoline while emissions are gaseous pollutants, such as nitrogen oxides, but with fog, is also very easy to translate into two particulate pollutants, aggravate the haze. The exhaust of motor vehicles is the main component of haze particles. The latest data shows that motor vehicle exhaust accounts for 22.2% of haze particles in Beijing, coal combustion accounts for 16.7%, dust accounts for 16.3%, and industry accounts for 15.7%. But with the advancement of automotive technology and the improvement of oil quality, environmental managers have found that motor vehicle exhaust does not play a decisive role in the formation of haze weather. However, as some cities with a large number of ca

nitrogen flow meter for furnace|flow meter distributor

rs, managers still need to control motor vehicle emission standards to avoid the formation of haze weather. Motor vehicle exhaust is the haze particles composed of the main components, the latest data show,Beijing haze particles in tail gas of motor vehicles accounted for 22.2%, coal accounted for 16.7%,dust accounted for 16.3%, industry accounted for 15.7%. But with the progress of automobile technology and rising the quality of oil products, environmental managers found that motor vehicle exhaust does not play a decisive role on the formation of haze weather, but as some of the larger citycar ownership, managers still need to control vehicle emissions standards, avoid the formation of hazeweather. Secondly, the exhaust gas generated by burning coal for heating in the north during winter. Second: North to the exhaust gas produced by the burning of coal for heating in winter. Thirdly, exhaust gases emitted from industrial production. For example, metallurgy, kilns and boilers, mechanical and electrical manufacturing industries, as well as a large amount of exhaust gases from automobile repair and painting, and building materials production kilns. Third: emissions from industrial production. Such as metallurgy, furnace and boiler, electrical and mechanical manufacturing industry, there are a large number of auto repair paint, building materials production furnace combustion emissions. Fourth: Dust generated by construction sites and road traffic. Fourth: The construction sites and road traffic caused by dust. Fifth: Growable particles. The particle size of bacteria and viruses is equivalent to PM0.1-PM2.5. When the humidity and temperature in the air are suitable, microorganisms will attach to the particles, especially th

Nitrogen flow meter for furnace | E Steel 11 Metallurgical Professional English Exam Questions and Answers | Flow meter distributor

1. Write an English essay about writing to the mayor about environmental pollution (no less than 80 words)

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