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合成冰片
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合成冰片
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synthetic borneol
合成冰片
以富含α-蒎烯的松节油或α-蒎烯为原料,经酯化、皂化、纯化等过程得到的无色透明或白色半透明片状松脆晶体。又称合成龙脑。
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Economic and Social Council of the United Nations
economic and social development strategy
Economic and Technological Development Zone of Daqing
Economic and Technological Development Zone of Harbin
Economic and Technological Development Zone of Mudanjiang
economic and technological development zone of Shuangyashan
economic and technological development zone of Suihua
economic anthropology
economic assistance on divorce
economic attribute of forest resources
economic authority
economic base
economic base(foundation) determines the superstructure
economic benefit
economic benefit index system
economic benefit of forest
economic benefit of hydropower station
economic benefits of resources
economic benefits of soil and water conservation
Economic Bill of Rights
economic burden of disease
economic census
economic center of gravity
economic centre
Economic Charter of the Americas
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