Although gelsemine and koumine both contain an exo-vinyl, an Nb-methyl and most likely a cyclic ether linkage, the structures of the alicyclic parts of these two alkaloids appear also different from each other.

1、

Dearomatization reaction could afford these alicyclic rings in one step with cheap and readily available aromatic compounds, and the obtained alicyclic rings usually bearing carbon-carbon double bonds provide potential chances for their further functionalization.

通过使用廉价易得的芳香族化合物进行脱芳构化反应，能够一步构建脂肪碳环，且所构建的碳环通常含有双键，为碳环的进一步官能团化提供了条件。

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2、

The main aromatic metabolites in rumen fluid and urine are non-phenolic aromatic acids, phenolic acids and phenols, and the only alicyclic acid that has been found is cyclohexanecarboxylic acid.

瘤胃液和尿液中的芳香族代谢物主要是无酚的芳香酸、酚酸和苯酚，环己烷羧酸是惟一发现的脂环族酸。

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3、

Biogenic amines are aliphatic, alicyclic or heterocyclic organic bases of low molecular mass, which arise as a consequence of metabolic processes in animal, plants and microorganisms.

生物胺是一类含氮低分子化合物，对动植物和微生物有重要的生理作用。适量的生物胺有助于人体正常的生理功能，过量则会引起不良的生理反应。

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4、

Was a raw material for preparing of alicyclic epoxy resin ERL-4221 and was normally obtained by Tischenko reaction of CHO.

是合成脂环族环氧树脂ERL-4221的原料，它通常由经梯森科反应制得。

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5、

It was determinated that Bunte salts was a simple and efficient method for synthesis of alicyclic polysulfide.

实验证明，Bunte盐合成法是一种简单高效的合成脂环多硫化物香料的方法。

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6、

Characteristics, synthesis and application of R-122 alicyclic epoxy resins in industry, agriculture, transportation and national defense were introduced in this paper.

介绍了R-122脂环族环氧树脂的性质、合成和在工业、农业、交通运输业与国防上的应用。

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7、

In addition, the effects of chain length and alicyclic ring-locking of the designed systems on electronic spectra and β were investigated.

探讨了共轭烯链的长度变化及脂环化对共轭体系电子光谱和β的影响。

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8、

Research on Favorskii-rearrangement on Chiral Compound and Heteroatom's Alicyclic Ketone

手性化合物和杂环酮的法沃尔斯基重排

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9、

Research Progress of Alicyclic Polysulfide Perfume

脂环多硫化物香料的研究进展

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10、

Alicyclic polysulfide is a new type of perfume which has strong specific flavor and perfect bioactivity.

脂环多硫化物是一种新型香料，具有浓郁的特征香味和良好的生物活性。

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11、

In this paper, two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction.

采用相转移催化反应合成了两个不饱和脂环氮杂冠醚。

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12、

Application of epoxy resins with alicyclic groups

含脂环基环氧树脂的应用

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13、

Analysis of mechanical properties of MODIFIED-ROSIN-BASED alicyclic epoxy resin and the affecting factors thereof

改性松香脂环基环氧树脂的机械性能及其影响因素分析

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14、

Studies on the New System of Alicyclic Epoxy Resin Cured by Acid Anhydride Modified with Phenolic Resin

酚醛树脂改性酸酐固化脂环族环氧树脂新体系的研究

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15、

Study on the UV-curing of a new alicyclic epoxy acrylate resin

一种新型脂环族环氧树脂丙烯酸酯的紫外光固化

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16、

Study on the Performance of Alicyclic Anhydride on the Different Gas Chromatographic Column

脂环族酸酐在不同极性气相色谱柱上的性能研究

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17、

Application of Reinforced PP Pipe on Alicyclic Acid Recovery Plant

增强聚丙烯管线在环烷酸回收装置的应用

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18、

The minimum procedural criterion embodying the inner value includes: transparency, stability, non-force, acceptability, defensibility, and expectability.

体现内在价值的最低限度的程序标准包括透明性、稳定性、非强制性、可接受性、可辩驳性、可预期性。

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19、

No, no. I'm just saying that it's okay for you not to be all up and everything around me if you're not feeling it.

不，不，我只是说如果你没那感觉

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20、

The 800 pounds foldboat can be folded up and carried around in a backpack.

它可以折叠起来，放在背包里，售价为800英镑。

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