So purification of less volatile components.
提纯挥发性弱的物质。
Because I want to keep Raoult's law here. OK, we're going to have a mixture of two volatile components For instance, water and alcohol.
我想把Raoult定律保留在这里，讨论两种可挥发物质的混合，比如水和酒精。
It provides a reliable and convenient method for the quantitative analysis of volatile components in insoluble solid samples.
该法为不溶性固体材料中的易挥发组分的定量分析提供了可靠、简便的检测手段。
The instrument can analyze water content, ash and volatile components of coal samples simultaneously, respectively or in any combination.
仪器对煤的水分、灰分和挥发分可以同时测定，也可以单独测定或作任意组合测定。
This vapour, which moves up to the next tray in the column, is richer in the more volatile components.
该蒸气含有更多易挥发组分，并沿塔向上层塔板上升。
Therefore, when this vapour is cooled and condensed, the condensate will contain more volatile components.
因此，当该蒸汽被冷凝时，冷凝液中含有较多易挥发组分。
OBJECTIVE To determine the volatile components in herbal pair Herba Schizonepetae-Radix Ledebouriellae(HS-RL), single herb HS and RL.
目的定性、定量分析药对荆芥-防风、单味药荆芥和防风的挥发油成分。
Electronic nose is an artificial olfactory devices for analysis, identification and detection of complex odors and volatile components.
电子鼻是一种分析、识别和检测复杂气味和挥发性成分的人工嗅觉装置。
Oil at sufficiently low pressure that it contains no dissolved gas or a relatively thick oil or residue that has lost its volatile components.
在足够低的压力下不含溶解气的石油或失掉挥发组分的稠油或残油即称为死油。
The results indicated that olfactory responses of T. bactrae were influenced not only by volatile components but also by concentrations of each component.
结果表明：卷蛾分索赤眼蜂的嗅觉反应不仅与挥发物组分的种类有关，而且与每一种物质的浓度也有一定的关系。
Among them, acid, aldehyde and ester were the main volatile components, which played an important role in flavor formation of Dushan greengrocery fermented.
其中酸、醛、酯是主体挥发物，对产品风味的形成起重要作用。
An artificial intelligence approach to evaluate the volatile components in tobacco was developed on the basis of electronic nose detection and chemometrics methods.
该文基于电子鼻检测技术和化学计量学方法，研究建立了烟叶挥发性组分的人工智能评价方法，并用于一系列国内主要烟叶原料的评价。
The volatile components were extracted from leaves of Indocalamus latifolius by simultaneous distillation and extraction, and analyzed by gas chromatography-mass spectrum (GC-MS).
采用同时蒸馏萃取装置提取箬竹叶的挥发性成分，然后经气相色谱-质谱联用技术对挥发性成分进行分离鉴定。
The effects of autoxidation and thermal degradation of lipids leading to the volatile components and the oxidation of lipid with unsaturated fatty acids on the formation of meat flavour were reviewed.
综述了脂质自动氧化、热降解产生的挥发性物质及含有不饱和脂肪酸的脂质氧化在肉风味中的重要作用。
Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.
结论：苹果籽含有有机酸、烯烃、烷烃、醛、酮、酚类挥发性成分。
RESULTS Volatile components from EtOAc extract were complex, mainly in aromatic, long-chain alkanes, alkaloids , coumarin and ester compounds.
结果萃取物中挥发性成分较复杂，主要有芳香族、长链烷烃、生物碱类、香豆素和酯类等化合物。
Volatile components of fresh onion, vacuum freeze-drying onion and hot-air drying onion were obtained by simultaneous distillation-extraction(SDE), 36,33,27substances were analyzed by GC-MS.
采用同时蒸馏萃取的方法提取新鲜洋葱、真空冷冻干燥洋葱和热风干燥洋葱的挥发性成分，并经气质联用分析，分别析出36、33、27种物质。
Volatile components in oak chips were determined by GC-MS and 38 compounds were identified, including 13 ketones, 8 phenolic compounds, 6 esters, 5 aldehydes, 5 alcohols, 1 acid and 1 other component.
本文采用GC-MS测定了橡木中的挥发性香气成分，共鉴定出38种化合物，其中种类最多的是酮类化合物，有13种，其次是酚类8种，酯类6种，醛类和醇类各5种，酸类1种，其他组分1种。
Volatile components in oak chips were determined by GC-MS and 38 compounds were identified, including 13 ketones, 8 phenolic compounds, 6 esters, 5 aldehydes, 5 alcohols, 1 acid and 1 other component.
本文采用GC-MS测定了橡木中的挥发性香气成分，共鉴定出38种化合物，其中种类最多的是酮类化合物，有13种，其次是酚类8种，酯类6种，醛类和醇类各5种，酸类1种，其他组分1种。
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