Polyethylene glycol 400 catalysis for p-Cyanol phenol etherified reaction
METHODS:TLC and phenol-sulfuric acid methods were used to qualitative and quantitative analysis of polysaccharides.
A soil sample preparation method was established for extracting phenol with the aid of ultrasonic energy.
Abstract : The microwave-assisted extraction the polysaccharide of Radix scrophulariae, and using phenol-sulfuric acid method to determine the polysaccharide.
Result: the experimented big mice created by the phenol glue method basically matched with the clinical pathologic manifestation of chronic pelvic inflammatory disease.
The experimental contrast of the same strain of bacteria that biodegrades phenol in immobilized cell state and in free cell state proved that red brick fragments is a fine carrier material.
Catechin is a phenol antioxidant found in grape seeds.
Peanut shell phenol-liquefaction product-formaldehyde resin is a high water-resistant wood adhesive which is prepared by formaldehyde and peanut shell phenol-liquefaction product.
Study on synthesis and properties of water-soluble phenol-formaldehyde resin used in emery cloth
The geometries of neutral indole and phenol, as well as their cation radicals and anion radicals, have been optimized by using AM1 method.
The chloroform solution of 4-Amino-antipyrine was used to measure the phenol in water by extraction and photometer. The method and the precision were discussed in this paper.
The yield of o-benzyl phenol and p-benzyl phenol could reach 80.
Apples and grapes in roughly the same phenol content, but the phenol content of purple grape juice apple juice higher than 2.5 times.
Gluing classes: basic plywood is bonded with a phenol resin adhesive resistant to weather, boiling water and meets the requirements.
Because of its irritwithining effect on humans the use of phenol as a large germ killing has rewisly been largely discontinued.
Nail polish contains toxic products like toluene, phenol and xylene.
Structure and properties of hindered phenol AO-80/polyether-based polyurethane thermoplastic elastomer composites
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.
determination of phenol index (4-aminoantipyrine spectrometric methods after distillation)
The French team looked at how juicing affected the phenol content of fruit - because most studies look at raw fruit.
para-tertiary butyl phenolphenolic resin
Method To observe the effects of relieving cough and expelling phlegm of Kening Formula through ammonia water inducing cough and phenol red apophlegmating in mice.
Plastics industry - All kinds of plastic molding particles made from phenol, urea, melamine, and epoxy.
Study on multimethylene multiphenyl multiisocyanate blocked by p-nitro phenol
This paper expounds the influence of the purity of 4-antipyrine on the measurement of volatile phenol contents in water.
This product contains antioxidant substituted phenol phosphate.
The mechanism of yellow phosphorus induced oxidation of phenol in water has been tested with the products analyzed by GC and GC/MS after derivatization to study the reaction pathway.
國文精選館
