| 词汇 | example_english_fractional-distillation |
| 释义 | Examples of fractional distillationThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Ramsay continued to search for these gases using the method of fractionaldistillation to separate liquid air into several components. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It consists mostly of organic compounds obtained by the fractionaldistillation of petroleum, enhanced with a variety of additives. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bitumen is obtained by fractionaldistillation of crude oil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The individual components of resin can be separated by fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For this reason, ethanol can not be completely purified by direct fractionaldistillation of ethanol-water mixtures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The volatile fluorides can be separated from excess fluorine by condensation, then separated from each other by fractionaldistillation or selective reduction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Helium is extracted by fractionaldistillation from natural gas, which contains up to 7% helium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The products of these reactions are separated using a variety of techniques including distillation especially fractionaldistillation, precipitation, crystallization, adsorption, filtration, sublimation, and drying. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These "fractions" are the origin of the term "fractionaldistillation" or "fractionation". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This fractionaldistillation supported the use of heavy oil fuels, the unusable tars and asphalts separating out in the vapouriser. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Xylidines are produced as byproducts of fractionaldistillation of coal tar. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Kerosene, when it was introduced in the early 1850s, was much cheaper and easily made by fractionaldistillation of petroleum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chlorosilanes obtained from crude silicon are purified by fractionaldistillation techniques and then reduced with hydrogen to give silicon of purity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Neon, argon, krypton, and xenon are obtained from air in an air separation unit using the methods of liquefaction of gases and fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For large-scale use, helium is extracted by fractionaldistillation from natural gas, which can contain up to 7% helium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Argon is produced industrially by the fractionaldistillation of liquid air. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example an ethanol-water mixture (obtained by fermentation of sugars) on fractionaldistillation gives a solution containing approximately 95% by volume of ethanol. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The fractionaldistillation column is set up with the heat source at the bottom on the still pot. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They specialised in the manufacture of large industrial products such as fractionaldistillation columns that needed special transport to get them to site. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The hydrocarbons are then sorted by fractionaldistillation, in a process similar to conventional oil refining. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Propene can be separated by fractionaldistillation from hydrocarbon mixtures obtained from cracking and other refining processes; refinery-grade propene is about 50 to 70%. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Cracking produces a mixture of products, and the butene is extracted from this by fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is produced industrially by fractionaldistillation of liquid air. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The resulting steam enters a fractionaldistillation column. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These different molecules are separated by fractionaldistillation at an oil refinery to produce petrol, jet fuel, kerosene, and other hydrocarbons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The most widely used industrial applications of continuous, steady-state fractionaldistillation are in petroleum refineries, petrochemical and chemical plants and natural gas processing plants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It can be obtained by fractionaldistillation of essential oils. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is purified by fractionaldistillation or selective condensation using a vacuum line. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is known as continuous, steady-state fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They used fractionaldistillation where a sample of petroleum was gradually heated until leaving only solid impurities. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mixture is feedstock and temperature dependent, and separated by fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The crude product can be purified by fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. That is the origin of the name "fractionaldistillation" or "fractionation". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Argon is isolated from air by fractionation, most commonly by cryogenic fractionaldistillation, a process that also produces purified nitrogen, oxygen, neon, krypton and xenon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fractionaldistillation of this oil gives hydrogen disulfide separate from any other polysulfides (mostly trisulfide). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Mixtures of liquids and gases are separated by fractionaldistillation by difference in boiling point. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The acetaldehyde is purified by extractive distillation followed by fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In such a case it is not possible to separate the components by fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. After the solvent has been recovered, the terpene oils are separated by fractionaldistillation and recovered mainly as refined turpentine, dipentene, and pine oil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fractionaldistillation is also used in air separation, producing liquid oxygen, liquid nitrogen, and highly concentrated argon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Pentanol can be prepared by fractionaldistillation of fusel oil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. High-purity liquid is usually obtained by the fractionaldistillation of liquefied air. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The hydrogen peroxide is then extracted with water and in a second step separated by fractionaldistillation from the water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. By fractionaldistillation "tall oil rosin" is obtained, with rosin content reduced to 10-35%. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Racemic menthol is isolated by fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Based on the descriptions of effects to wines by winemakers it is likely produced by a series of processes such as vacuum distillation, fractionaldistillation and solvent extraction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Oxygen is produced industrially by fractionaldistillation of liquefied air, use of zeolites with pressure-cycling to concentrate oxygen from air, electrolysis of water and other means. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Gas chromatography is also similar to fractionaldistillation, since both processes separate the components of a mixture primarily based on boiling point (or vapor pressure) differences. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A common fractionating process is fractionaldistillation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Alternatively, nitrogen can be produced through the liquefaction and fractionaldistillation of air and then combined with hydrogen to form ammonia as a fuel for internal-combustion engines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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