1. The drug is derived from the bark of the cinchona tree, native to South America, and by 1856 demand for the drug was surpassing the available supply.
这种药物是从原产于南美洲的金鸡纳树的树皮中提取的。到了1856年,对这种药物的需求已经超过了现有的供应。

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2. Nearby grew a tree, nowadays known as Cinchona.
附近长着一颗树,现在知道是一棵金鸡纳树。

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3. Gin gets its flavor from juniper tree berries, and the quinine in tonic comes from the cinchona tree.
杜松子酒的口味来源于杜松子的浆果,而碳酸奎宁水中的奎宁来自金鸡纳树。

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4. The reaction mechanism in tartrate modified catalysts and cinchona modified catalysts are also discussed.
酒石酸及金鸡纳碱修饰型金属催化剂的反应机理也进行了探讨。

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5. The reaction mechanism in tartrate modified catalysts and cinchona modified catalysts are also discuss...
对酒石酸及金鸡纳碱修饰型金属催化剂的反应机理也进行了探讨。

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6. An alkaloid, C19H22N2O, derived from the bark of various cinchona trees and used as an antimalarial agent.
金鸡纳宁,辛可宁一种生物碱,c19h22n2o,由金鸡纳树的树皮中。

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7. The inclusion complexation behavior of sulfoantocalixarenes with four cinchona alkaloids was investigated by means of fluorescent spectra.
采用荧光光谱方法研究了三种磺化杯芳烃与四种金鸡钠碱药物分子的键合行为。

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8. Quinine and other related cinchona alkaloids were chosen for the separation of some tart enantiomers of phenylalanine, aromatic acids and other acids.
奎宁和其它金鸡纳生物碱类化合物作为手性选择子可分离苯丙氨酸、芳香酸和其它手性酸。

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9. This paper focuses on the synthesis of cinchona alkaloid catalysts which contains rigid polybenzene moieties and their application in asymmetric catalytic reactions.
本课题所研究的是含有多聚苯刚性分子片段的金鸡纳碱类手性催化剂。

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10. This paper focuses on the synthesis of cinchona alkaloid catalysts which contains rigid polybenzene moieties and their application in asymmetric catalytic reactions.
本课题所研究的是含有多聚苯刚性分子片段的金鸡纳碱类手性催化剂。

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