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Tetrahydrofuran in a sentence

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Sentence count:25Posted:2018-06-14Updated:2020-07-24
Similar words: tetrahydrocannabinoltetrahedronhydrofoiltetrahedralhexahydratedehydroepiandrosteronehydroHydros
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1. Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film.
2. Two compounds of fruity aroma 2-hydroxy-5-pentyl tetrahydrofuran and 2-hexaoxy -5-pentyl tetrahydrofuran were prepared, and their structures confirmed.
3. The results showed that tetrahydrofuran was a better cosolvent and the waste edible oils containing abundant free fatty acids was liable to form miscible system.
4. Chloroform - tetrahydrofuran - water(500: 500: 8) was used as mobile phase for the gradient elution of other strongly retained substances.
5. Tetrahydrofuran was synthesised by dehydration of 1,4-butanediol using p-toluene sulphonic acid supported on active carbon as catalyst.
6. Antisymmetric nonresonant vibrational Raman scattering of Tetrahydrofuran ( THF ) is experimentally and theoretically studied in this paper.
7. Tetrahydrofuran is highly flammable and may contribute to the release of toxic gases and vapors during a fire, according to the federal Occupational Safety and Health Administration.
8. Ethylene oxide(EO) tetrahydrofuran(THF)copolyether reacted with 2,4 toluene diisocyanate, and inert oligomeric cyclic ether(OCE) was extracted with diethyl ether.
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9. Removal alcohol from crude tetrahydrofuran, formation principle of peroxidate and antioxidation technique were introduced.
10. Tetrahydrofuran is used as a commercial solvent and is converted in starting materials for the preparation of nylon.
11. The synthesis of polyoxytetramethylene glycol(PTMG)from tetrahydrofuran was investigated, using fuming sulfuric acid as catalyst.
12. Separation of methanol tetrahydrofuran water system by extractive distillation and phase separation with salt has been studied.
13. New allyl lithium THF complex was prepared conveniently by the reaction of propene with n-butyl lithium in the presence of tetrahydrofuran.
14. Our factory specializes in production and operation of organic chemical solvents: tetrahydrofuran. Pyridine. Chloride stupid. DMF.
15. A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .
16. A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran(sentencedict.com), DMF and dimethyl malonate was established.
17. The polymer was soluble in dichloromethane, trichloromethane, acetone and tetrahydrofuran.
18. The process flow was designed and experimentally studied for separation of acetone, tetrahydrofuran(THF) , triethylamine and water mixture.
19. The effect of factors to the growth of aeromonas THF01 which degraded tetrahydrofuran was studied by liquid culture.
20. The power index was 0.14, which indicated that the polymer had branched molecular structure in dilute solution of tetrahydrofuran.
21. Polytetrahydrofuran(PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4·SO_3-HClO_4 system as a catalyst.
22. Acyclovir succinyl glyceryl monostearate was synthesized and utilized as pharmacosomes by tetrahydrofuran injection method.
23. Copolymerization products were fractionated by successive solvents extraction with boiling methyl ethyl ketone (MEK) and boiling tetrahydrofuran (THF).
24. The catalysis of big pore strong acid resin for 1, 4 - butanediol dehydration to tetrahydrofuran is investigated.
25. A method of synthesizing chlorodiisopropylphosphine, in which the raw are magnesium, isopropyl chlorides and phosphorus trichloride, the solvent is tetrahydrofuran, is introduced in this paper.
More similar words: tetrahydrocannabinoltetrahedronhydrofoiltetrahedralhexahydratedehydroepiandrosteronehydroHydroshydropshydroushydroxyhydrosolhydrogenhydrogelhydrologyhydrolasehydrophoneanhydroushydrolysehydrocelehydrolyzehydroxidehydroniumhydroquinonehydrographhydrolysishydrophobehydrotherapyhydrothermalhydrometer
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