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- 物种species
- 物种起源origin of species
- 一种新的蛇毒解离素同系物的分离Isolation of a Novel Disintegrin-like Homology from Agkistrodon halys Pallas Venom
- 用HMO理论估算链烃同系物的临界温度Estimating critical temperature of homologous chain hydrocarbons by using HMO theories
- 濒临灭绝的物种endangered species
- 烯烃同系物紫外光谱的量子化学研究Quantum Chemistry Study on the UV Spectrum of Olefin Hydrocarbon Homologous Compound
- 物种灭绝species extinction
- 酯类同系物凝聚型物理性质递变规律研究Successive Variation Pattern of Ester Homologous Series in Their Physical Properties of Condensation
- 烷烃同系物气相色谱保留指数的分子拓扑研究Molecular Topological Study on Gas Chromatographic Retention Indices of Alkane Series
- 物种多样性species diversity
- 许多物种由于人们的极端无知而灭绝了。Many species have been wiped out through sublime ignorance.
- R”是取化基,如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.
- 珍稀濒危物种rare or endangered species
- 反相液相色谱中保留值变化规律的研究同系物和柱温对保留值的影响Investigations of Retention Rule in Reversed - Phase Liquid Chromatography Effect of Homologous Series and Column Temperature on Retention
- 物种原形演化成后来各物种的真实存在的或假设的有机物The actual or hypothetical organism or stock from which later kinds evolved.
- 大麻酚及其四氢衍生物;它们的3-烷基同系物;任何属此项范围内的物质的酯类及醚类Cannabinol and its tetrahydro derivatives; their 3-alkyl homologues; any ester or ether of any substance falling within this item
- 许多物种已在地球上绝迹了。Many species have now vanished from the earth.
- 已灭绝的物种an extinct species
- 人类长久以来一直在支配其他物种。Man has been predominant over other species for a long time.
- 物种差异specific differences