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Binary offset carrier modulation [1] [2] (BOC modulation) was developed by John Betz in order to allow interoperability of satellite navigation systems. It is currently used in the US GPS system, Indian IRNSS system and in Galileo [3] and is a square sub-carrier modulation, where a signal is multiplied by a rectangular sub-carrier of frequency equal to or greater than the chip rate.
tert. -Butyloxycarbonyl protecting group. The tert-butyloxycarbonyl protecting group or tert-butoxycarbonyl protecting group[1] (BOC group) is an acid -labile protecting group used in organic synthesis. The BOC group can be added to amines under aqueous conditions using di- tert -butyl dicarbonate in the presence of a base such as sodium hydroxide:
Bank of China Limited. The Bank of China (BOC; Chinese: 中国银行; pinyin: Zhōngguó Yínháng; Portuguese: Banco da China) is a state-owned Chinese multinational banking and financial services corporation headquartered in Beijing, China. It is one of the "big four" banks in China. As of 31 December 2019, it was the second-largest lender in ...
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www.customs.gov.ph. The Bureau of Customs (abbreviated BoC or BOC; Filipino: Kawanihan ng Adwana) is a Filipino government agency that is responsible for the collecting of customs duties, excise duties, and other indirect taxes in the Philippines. It is part of the Philippines Department of Finance.
Jefferies Group LLC is an American multinational independent investment bank and financial services company that is headquartered in New York City. The firm provides clients with capital markets and financial advisory services, institutional brokerage, securities research, and asset management. This includes mergers and acquisitions ...