所有各种化学过程,比如蒸馏,就利用了液相,和气相的混合物。
All sorts of chemical processes. Distillation, for example, takes advantage of the properties of liquid and gas mixtures.
许多上层人士反对蒸馏的烈酒而喜爱葡萄酒,因为他们相信葡萄酒不含酒精,而当时的一些医师和科学家认为酒精是一种有毒的化学物质。
Many upper class opponents of distilled spirits favored wine because they believed it to be free of alcohol, the chemical that a number of physicians and scientists regarded as a poison.
用过滤、吸附、化学处理、蒸馏、漂白等方法从液体石油产品中脱除悬浮、胶态及溶解杂质的过程。
The process of removing suspended, colloidal, and dissolved impurities from liquid petroleum products by filtering, adsorption, chemical treatment, distillation, bleaching, etc.
目的:研究土木香挥发油的化学成分,并比较水蒸气蒸馏提取(SD)与超临界CO2萃取(SFE)所得土木香挥发性成分的差异。
Objective: to study the chemical constituents of the essential oil of Inula helenium L. were extracted by steam distillation (SD) and supercritical-CO2 fluid (SFE).
现行的用于蒸馏和化学反应的烧瓶类玻璃仪器,有园底烧瓶、两颈瓶、三颈瓶等。
Currently, the apparatus used in distillation and other chemical reactions include round bottom flask, two necked bottle, three necked bottle, and etc.
电热蒸馏水器是化学实验室的常规设备之一。
Electrothermal distiller is one of the common devices in chemistry laboratory.
此挥发油的化学成分与用水蒸汽蒸馏所得的玫瑰精油显著不同。
Its chemical composition is significantly different from rose essential oils obtained by steam distillation.
分离易挥发的化学物质的蒸馏法,其中生成物被收集在一系列单独的馏分里,每种馏分的沸点都比未分馏前高。
Distillation to separate volatile chemical substances in which the products are collected in a series of separate fractions, each with a higher boiling point than the previous fraction.
《物理化学》中的稀溶液沸点升高与《有机化学实验》中的水蒸汽蒸馏看似矛盾,实质上是它们的原理不同。
The boiling point rise of dilute solution in physical chemistry seems to contradict with vapor distillation in experiment of organic chemistry. Actually, they are of different principles.
用常规水蒸气蒸馏法提取杜克蓝莓果实中的挥发油,并用气相色谱-质谱法分析了其化学成分。
The essential constituents from duke blueberry fruits were extracted by steam distillation method and the essential oil obtained was analyzed by gas chromatography-mass spectrometry.
采用同时蒸馏萃取法提取白鲜皮中的挥发油,通过GC-MS对其化学成分进行分析。
The volatile oil from Dictamnus dasycarpus Turcz was extracted by simultaneous distillation and extraction(SED), then separated and analyzed by GC-MS.
石油及化学工业:聚合、缩合、蒸馏、熔融、脱水、强制保温。
Oil and chemical industry: polymerization, condensation, distillation, melting, dehydration, forced heat preservation.
对油樟叶精油化学成分及其在水蒸气蒸馏过程中含量变化情况进行了研究。
Chemical components of leaf essential oils from Cinnamomum longe-paniculatum and the change of contents of these components during steam-distillation process were studied.
导热油加热器的应用领域:石油及化学工业:聚合、缩合、蒸馏、熔融、脱水、强制保温。
Heat conduction oil heater the application field of: oil and chemical industry: polymerization, condensation, distillation, melting, dehydration, forced heat preservation.
研究分子蒸馏技术纯化八角精油的工艺条件,利用GC-MS对精油及分离纯化的馏分进行化学组成分析。
The technology of molecular-distillation(MD) for purifying star anise essential oil was researched, and chemical constitutions of essential oil and distilled substance were analyzed by GC-MS.
用水蒸气蒸馏法提取了赤桉叶和本泌桉叶精油,通过气相色谱-质谱(GC-MS)联用法分析鉴定了二者的化学成分及质量分数。
The essential oils of leaves from Eucalyptus camaldulensis and Eucalyptus benthami were extracted by steam distillation and their chemical constituents were determined by GC-MS method.
苏格兰化学家、实业家。他发现低温蒸馏页岩可以产生丰富的商用石蜡油和固体石蜡。
Scottish chemist and industrialist who showed that low-temperature distillation of shale could yield substantial commercial quantities of paraffin oil and solid paraffin wax.
采用减压水蒸气蒸馏法提取出蒜苗挥发物,用GC - MS法分析鉴定其化学成分。
Garlic plant volatile was extracted by steam distillation under reduced pressure, and the chemical components were determined by GC-MS analysis.
采用水蒸气蒸馏法提取黑杨萎蔫叶片具诱虫活性的气味物质,用气相色谱质谱联用技术分离和鉴定活性物质的化学成分。
A report is made of the study of chemical components of the odor with luring activity from withered black poplar leaves.
介绍了一种可解决化学实验室因蒸馏、回馏、减压抽滤等基本操作引起的,大量冷却水流失问题的封闭式循环节水装置。
An Introduction to a closed water-saving equipment by recycle water, it may resolve the problem of water waste resulted from distillation, circumfluence, negative-pressure filtration, etc.
大多数来自天然水源的普通水约含有0.015%的氧化氘,可透过蒸馏、电解或化学过程来提高或去除其含量。
Water from most natural sources contains about 0.015% deuterium oxide; this can be enriched or purified by distillation, electrolysis, or chemical processing.
采用水蒸汽蒸馏法从大戟科木奶果中提取挥发油,用气相色谱-质谱对挥发油的化学成分进行了分析。
The essential oils extracted from Baccaurea ramiflora Lour and its chemical constituents were analyzed by GC-MS.
泡罩塔盘是化学工业中使用最早的一种典型的鼓泡型板式塔盘,在蒸馏、吸收等两相传质设备中占有主导地位。
Steep and put on tower record whether chemical industry use most early one typical drum modes in Chinese operatic music tower plate of steeping etc.
采用水蒸气蒸馏法从巴旦木杏仁中提取挥性化学成分,用气相色谱-质谱法对化学成分进行鉴定。
The volatile chemical components extracted from the almond of Prunus amygdalus Stokes was abstracted by steam-stilling and analyzed by GC-MS method.
采用同时蒸馏微萃取法提取姜科植物生姜中挥发油,并用气相色谱-质谱联用技术对其挥发性化学成分进行分析。
The volatile oil from ginger was extracted by the method of simultaneous distillation microextraction, the components were separated by gas chromatography and identified by mass-spectrometry.
方法:采用水蒸气蒸馏法提取白花前胡饮片的挥发油,用GC - MS法对其化学成分进行鉴定。
Methods: The volatile oils were extracted by using steam distillation. The components were identified and separated with GC-MS.
控制蒸馏操作工艺,可以控制各蒸馏段馏出物的化学组成,提高白兰地蒸馏酒的质量。
Proper control of distillation operation could make control of the volatile compositions content and further improve brandy quality.
目的GC-MS联用技术比较水蒸气蒸馏法提取薄荷挥发油和薄荷顶空气体的化学成分及相对含量。
Objective To compare the chemical components and their relative contends of volatile components extracted from Mentha haplocalyx Briq. by the methods of SD and HS.
方法以水蒸汽蒸馏法提取挥发油,分别得到不同样品的挥发油,以气相色谱质谱联用(GC MS)联用技术对其化学成分进行分离和鉴定。
METHODS The volatile oils were extracted with steam distillation. The components were separated and identified by GC MS and elucidated on the standard mass spectral data.
通过这种方式能防止夹带原水,夹带原水是蒸馏水中化学或有机软化(化)生的主要原因。
This way can protection of bring tap water in the distil water, the tap water bring in the distil water is the main cause of chemical of distil water worse.
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