BEI
Encyclopedia
BEI may refer to :
Bei may refer to:
- Binary ethylenimineBinary ethylenimineBinary ethylenimine is a dimeric form of aziridine. It can be produced by heating bromoethylamine hydrobromide or 2-aminoethyl hydrogen sulfate in the presence of sodium hydroxide...
, an inactivant used in the inactivation of the foot-and-mouth disease virus
Bei may refer to:
- 北 (pinyin běi), a Chinese characterChinese characterChinese characters are logograms used in the writing of Chinese and Japanese , less frequently Korean , formerly Vietnamese , or other languages...
meaning north, like in BeijingBeijingBeijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's... - Bei River, the northern tributaryTributaryA tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...
of the Pearl River in southern China - In mathematics, Bei is one of the Kelvin functionsKelvin functionsIn applied mathematics, the Kelvin functions Berν and Beiν are the real and imaginary parts, respectively, ofJ_\nu,\,where x is real, and J_\nu\, is the νth order Bessel function of the first kind...