The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.
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。
Analyzes from this kind of cigarette shredded tobacco moisture content different smoke appraises the similar total macrograph volatile chemical composition.
从该种卷烟烟丝含水率不同的烟支中都分析鉴定出同样的总粒相物挥发性化学成分。
Effects of different picking methods on chemical composition and content of volatile aromatic matter of upper leaves in flue-cured tobacco were studied.
研究了不同采收方式对烤烟上部烟叶化学成分和主要挥发性香气物质含量的影响。
The combustible composition implies the volatile and fixed carbon, which is the source of generating heat. The incombustible part contains water and dust, etc.
可燃成分是指煤中的挥发分和固定碳，它们是产生热量的来源，而其中不可燃成分为灰分和水分等。
Methods: GC-MS machine was used to analyze the chemical composition in volatile oils.
方法：利用GC-MS气质联用仪对香附炮制前后的挥发油进行成分分析。
An ink follower composition for ballpoint pens which comprises a hardly volatile liquid and aluminum silicate added therein.
为圆珠笔油墨的追随者组成，包括一条难以挥发的液体，并加入其中硅酸铝。
OBJECTIVE Onto analyze the volatile oil chemical composition from lycopodii herb.
目的：分析伸筋草中挥发油化学成分。
Objective To study the composition and yield of the volatile oil of radix kadsurae coccineae by 2 different extraction methods.
目的研究黑老虎药材用2 种不同提取方法所得挥发油成分及收率。
The content and the composition of volatile components of different ginger extractions were different. Ginger oil obtained by steam distillation had highest content of light volatile components.
不同生姜提取物挥发性成分的含量和组成均在差异，水蒸气蒸馏得到的姜油轻挥发性组分的含量相对较高。
The composition of volatile sulfide in waste gases from refinery and catalytic combustion desulfurization pilot-scale unit were analyzed, and this applicability of this method is verified.
该分析测定了炼油厂某些污染源和催化燃烧脱硫中试装置废气中挥发性硫化物组成，验证了方法的适用性。
Methods: A distillation method was used to extract the volatile oil and a gas-mass spectrometer was used to analyze the chemical composition.
方法：用水蒸汽蒸馏法提取紫色姜挥发油，并通过气相-质谱联用仪分析研究。
The chemical composition of the volatile oil from Paederia scandens was analysed by gas chromatography mass spectrometer (GC/MS) technique.
利用气相色谱-质谱联用（GC／MS）技术对鸡屎藤挥发油化学成分进行分析研究。
OBJECTIVE To analyse the chemical composition of volatile oil from the leaves of Glycyrrhiza Inflata Batal.
目的分析胀果甘草叶的挥发性化学成分。
OBJECTIVE To analyse the chemical composition of volatile oil from the leaves of Glycyrrhiza Inflata Batal.
目的分析胀果甘草叶的挥发性化学成分。
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