phenol造句
1. Phenol is more soluble in alkali than in water.
2. Rivers have been polluted by chlorine, phenol and detergent, together with run-offs resulting from the over-application of pesticides on farmland.
3. Chlorinated phenols: Phenol agents are generally unsuitable for food use as they exhibit high odour characteristics and other undesirable effects.
4. Phenol dissolves in water to produce a weak acid solution.
5. Phenol, reaction products with isobutylene, styrene and 2,4,4-trimethylpentene.
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6. Method Content determination with phenol - vitriolic colorimetry.
7. TKO series products are p- tert-octyl phenol formaldehyde resins.
8. The main intermediates during the phenol degradation are hydroquinone, catechol, resorcinol, benzoquinone, maleic acid, fumaric acid and oxalic acid.
9. Antioxidant tris(nonyl phenyl) phosphate was prepared with nonyl phenol and phosphorus trichloride as raw materials, arene as solvent and by using directive esterification method.
10. In the presence of acid and polyethylene glycol, phenol reacted with ceric ammonium nitrate 2, 4 - dinitrophenol.
11. According to a new developed friction composite modified phenol resin reinforced with flake vermiculite, the mechanism of flake reinforced bulk in friction composite was studied.
12. Carbolic acid ( or phenol ) : Organic compound, simplest member of the class of phenols.
13. Tetrachlorobisphenol A was synthesised from phenol, propanone and chloride by two steps.
14. Condensation of phenol and chloral over HY zeolite catalysts was studied in detail.
15. These organic pollutants included phenol, organosulfur compound, organic acid, organophosphorus pesticide, substituted benzene and multi-component organic pollutants.
16. UV absorber BAD is prepared with phenol, acetone, and salicylic acid as primary materials. The proper binding about acid agents and the annealed solvent are selected.
17. Group B:105 cases, propylene tabor phenol with intravenous anesthesia epidural block anesthesia.
18. OBJECTIVE : To establish phenol - vitriolic colorimetry for the assaying of polysaccharides in Torreya yunnanensis.
19. The problem of low efficiency of dephenolization by scrubbing the tri - mixed fractions (phenol, naphthalene and wash oil) produced from coal tar processing was analyzed and solved.
20. It is found that the etherification reaction of phenol hydroxy groups is a second order reaction and the ring closing reaction of chlorohydrin ether is a first order reaction.
21. The structure and curing of the modified phenol resin were investigated by means of IR spectra and DSC methods.
22. It is said that the final preparations owed their antibacterial activity to the phenol which they contained as a preservative.
23. Objective : To compare effectrelaxation of spasticity in cerebral palsy by Botulinum Toxin A and phenol block.
24. The elements in bamboo liquid such as ethylic acid, phenol compounds and alcohol can clean skins and diminish inflammation with their effects of antibiosis , bacteriostasis.
25. The HPLC analysis results indicate that the products of photocatalytic degradation of phenol solution include hydroquinone, catechol, benzoquinone, maleic acid, fumaric acid and so on.
26. The major pollution indicators are dissolved oxygen, potassium permanganate, BOD, volatile phenol and petroleum.
27. Using the orthogonal test , the synthesis of pyrocatechol and hydroquinone by catalytic oxidation of phenol by inorganic salts has studied.
28. Purified blue laccase displayed no activity towards tyrosine, but it was able to oxide untraditional substrate phenol red with high high redox potential.
29. The DNA extraction from the hairs of the Panthera Tigris Altaica, cooking extraction method in water was studied, and the comparison with the traditional phenol and chloroform method was done.
30. In the competitive adsorption of a dual component system, the adsorption of dye is superior to phenol, meanwhile the adsorbed quantity of phenol is less than that for its single component system.
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