In the Chinese automobile industry, Hubei not only has prominent Dongfeng, Shenlong, and General Motors, but also does not widely known special automobile manufacturing. At the International Forum on the Development of China's Special Purpose Vehicle Industry held in Han on May 26, the scale of the special-purpose automobile industry in Hubei Province has leapt to the third place in the country. One-tenth of China’s special-purpose vehicles are “Made in Hubeiâ€.
Dedicated vehicles are vehicles that are equipped with special equipment or specially modified vehicles for the purpose of completing specific shipments (cargo or personnel) or tasks. Such as dump trucks, tank trucks, vans, urban sanitation vehicles, highway transport vehicles, medical ambulances, power and communications emergency protection vehicles.
At present, there are more than 800 national automakers in the country, Hubei Province has more than 90, and the number of special vehicle manufacturers is second only to Shandong and Jiangsu. Among them, Suizhou is the “Capital of Chinese Special Vehicles†and Shiyan City is named “China Truck Capitalâ€. According to statistics, in 2011, the output of special vehicles in the province reached 125,000, of which some products were exported to Europe, America and Asia.
Acids exist universally in our life. There are both numerous kinds of natural acid compounds with biological functions and massive synthesized acids which are used in many ways.
In industry
Acids are fundamental reagents in treating almost all processes in today's industry. In the chemical industry, acids react in neutralization reactions to produce salts. For example, nitric acid reacts with ammonia to produce ammonium nitrate, a fertilizer. Additionally, carboxylic acids can be esterified with alcohols, to produce esters. Acids are often used to remove rust and other corrosion from metals in a process known as pickling. They may be used as an electrolyte in a wet cell battery, such as sulfuric acid in a car battery.
In food
Many acids can be found in various kinds of food as additives, as they alter their taste and serve as preservatives. Phosphoric acid, for example, is a component of cola drinks. Acetic acid is used in day-to-day life as vinegar. Citric Acid is used as a preservative in sauces and pickles. Certain acids are used as drugs. Acetylsalicylic acid (Aspirin) is used as a pain killer and for bringing down fevers.
Acid catalysis
Acids are used as catalysts in industrial and organic chemistry; for example, sulfuric acid is used in very large quantities in the alkylation process to produce gasoline. Some acids, such as sulfuric, phosphoric, and hydrochloric acids, also effect dehydration and condensation reactions. In biochemistry, many enzymes employ acid catalysis.
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