雪莲化学成分为：生物碱、黄酮、甾醇、挥发油、16种氨基酸、雪莲内酯等。
The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.
结果：在川续断属植物中发现了三萜类、环稀醚萜类、生物碱、酚酸类、黄酮类和挥发油类化合物。
Results: the chemical constituents including triterpenoid iridoid alkaloids phenolic acids flavonoids and volatile oil were found in the plants of Dipsacus l.
结果表明，该方法重现性好，操作简便，是分析烤烟中挥发性和半挥发性碱、中性成份的一种可行方法。
The results showed that the method was simplicity and the repeatability was evaluated. It was suitable for analysis of the volatile, semi-volatile neutral and basic components in flue-cured tobacco.
胡椒中含有挥发油、树脂、胡椒碱、粗脂肪、粗蛋白等。
Pepper seeds contain volatile oil, resins, piperine, fat, protein, etc.
结果表明：刺山柑花蕾中含有挥发油、氨基酸、蛋白质、糖及其苷类、酚性成分和鞣质、生物碱、有机酸、皂苷、甾体类等物质。
It showed that the flower buds contain essential oils, amino acid, protein, carbohydrates and their glycosides, phenols, tannins, alkaloids, organic acids, saponins and steroids.
花椒中富含挥发油、植物碱、酰胺类物质等，因品种、产地的不同这些物质组分和含量有较大区别。
The main components of Zanthoxylum are volatile oils, alkaloids, amides, etc. The contents and constituents of these materials from different species or habitats are greatly different.
他们确定元素的钠形态相比于其他碱形态，表现出很大不同，这可能是与其挥发性相关，也与为什么它易于和水发生反应相关。
They determined that the sodium forms of the element behave much differently than other alkalis, which possibly is related to its volatility and to why it may be so reactive with water.
他们确定元素的钠形态相比于其他碱形态，表现出很大不同，这可能是与其挥发性相关，也与为什么它易于和水发生反应相关。
They determined that the sodium forms of the element behave much differently than other alkalis, which possibly is related to its volatility and to why it may be so reactive with water.
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