fractional distillation造句
1. Although such mixtures can not be separated by fractional distillation, they can be separated by other means.
2. In your fractional distillation condenser.
3. A colorless, flammable liquid, C6H14, derived from the fractional distillation of petroleum and used as a solvent and as a.
4. Fractional distillation of petroleum is carried on in a still.
5. A colorless crystalline hydrocarbon, C14H10, obtained by fractional distillation of coal-tar oils and used in dyes, drugs, and explosives.
6. Fractional distillation is a physical method which cannot decompose compounds.
7. K. Neon, argon, and krypton are obtained from fractional distillation of liquid air.
8. Learning 4 sets of production unit: MTBE, fractional distillation, cracking and cracking by catalytic agent.
9. Mathematical analysis on the refrigeratory system and fractional distillation system of the plant provides a basis for plant design.
10. In fractional distillation, that part of the distillate which may be returned to the column to assist in making a better separation into desired fractions.
11. Let's say you're doing a fractional distillation of some sort.
12. The article describes a new PSA (Pressure Swing Adsorption) gas separation process for removing and retrieving the valuable components from PVC fractional distillation tail gas.
13. P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
14. The main genesis of heterogeneous crude is migration and fractional distillation of low mature crude, mixing of crude, thickening by edge water, and thickening by bottom water.
15. The main method of separation used in refineries is fractional distillation, although further processing is normally required to produce marketable petroleum products.
16. The second variation type is called reversion evolution type, which represents the liquid segregation mainly with vapour-liquid fractional distillation.
17. During the course of the experiment, the student will be exposed to fractional distillation under vacuum, gas chromatography, refractometry, polarimetry , and IR absorption spectroscopy.
18. The Pb, S isotopic study shows that the mass migration and the fractional distillation of Pb isotope took place in the whole rock and in the cement.
19. Arsenic removal tests by means of oxidation and HCl extraction as well as fractional distillation were carried out.
20. It can be separated from each other by ordinary fractional distillation.
21. The method avoids product fractionation in the prior coking fractional distillation column, thereby greatly reducing investment and operation cost.