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Possible definitions for vanning

canning
Method of preserving food from spoilage by storing it in containers that are hermetically sealed and then sterilized by heat. The process was invented in 1809 by Nicolas Appert (c.1750-1841) of France, who used glass bottles. In the 19th cent. tin-coated iron cans with soldered tops, bottoms, and seams were used, but in the early 20th cent. these were replaced by tin-plated steel containers with interlocking seams and polymer seals. In the later 20th cent. seamless aluminum cans (punched out from a single sheet) capped with a steel or aluminum lid became common, particularly in the beverage industry. In modern canning, food is passed under hot water or steam, transferred to a sterile container, sealed inside, and subjected to heat sufficient to kill any remaining microorganisms. The process preserves most nutrients but often affects consistency and taste.


Nanning
City (pop., 1991 est.: 1,070,000), capital of Guangxi province, SE China. Located on the N bank of the Yung River, it was the site of a county seat first established in AD 318. A frontier prefecture under the Song dynasty, it was later ruled successively by the Ming and Qing dynasties. It was opened to foreign trade in 1907. It was occupied by the Japanese during the Sino-Japanese War, although it was briefly a U.S. air base. It was a supply base for Communist forces during the anti-French war in Indochina and the Vietnam War. Formerly an essentially commercial and administrative center, it has experienced industrial growth.


tanning
Chemical treatment of raw animal hides or skins to convert them into leather. Vegetable tanning (using bark, wood, roots, or berries) has been practiced since prehistoric times. After removal of hair, flesh, or fat, a tanning agent displaces water from the interstices between the protein (mostly collagen) fibers in the skin and cements the fibers together. The agents most widely used are vegetable tannin, salts such as chromium sulfate, or fish or animal oil. The tanning of fair skin by sunlight is completely different: Ultraviolet light causes production and redistribution of melanin in epidermal cells.


Lansing
City (pop., 1996 est.: 126,000), capital of Michigan. Located on the Grand River at its junction with the Red Cedar River, it was a recently settled site when the state capital was moved there from Detroit in 1847. Originally called Michigan, it adopted the name Lansing in 1848. It became a center of auto manufacturing in the late 19th cent. Now a major automobile production center, it is the site of the first U.S. agricultural college, Michigan State Univ. (now in E. Lansing).


Nanjing
City (pop., 1993 est.: 2,490,000), capital of Jiangsu province, E central China. Located on the S bank of the Chang (Yangtze) River, northwest of Shanghai, the site has been inhabited for thousands of years. The present city was founded in 1368 by the Ming dynasty, ...

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