phenol red
phenol rød
phenol resin
phenolharpiks
free phenol
fri phenol
crude phenol
rå phenol
cresylic acid, usually containing from 20 to 40 percent phenol, is the second solvent.
creolsyre, der normalt indeholder fra 20 til 40 procent phenol, er det andet opløsningsmiddel.
It is based on the catalytic effect of phenols for the oxidation of gallocyanin by sodium bromate in sulfuric acid medium.
Det er baseret på den katalytiske virkning af phenols til oxidation af gallocyanin ved hjælp af natriumbromat i svovlsyremedium.
Flavonoids,Phenols and triterpenes are the main constituent exist in Desmodium triquetrum(L.)DC.
Flavonoider, Phenoler og triterpener er de vigtigste bestanddele, der findes i Desmodium triquetrum(L.)DC.
Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.
Forskning og udvikling for produktionen af pyrocatechol og hydroquinon ved reaktion af phenol med hydrogenperoxid og percarboxylsyre som hydroxylreagens introduceres.
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
For at opnå polyaryloxyphosphazen erstattes polyphosphazens sidechlorer direkte af aryloxy af phenol ved hjælp af triethylamin som bindende syreagent.
A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.
En ny camphol sandaliol blev syntetiseret ved selektiv alkylering af isocamphol og phenol med syrekatalysator, og efterfølgende hydrogeneret i nærvær af Raney nickel.
2. Tri(2,4,6-tribromophenyl) phosphite was synthesized with phenol, brome and phosphorus trichloride in the presence of pyridine.
2. Tri(2,4,6-tribromophenyl) phosphit blev syntetiseret med phenol, brom og phosphoroxychlorid i pyridins tilstedeværelse.
Active component： rose, natural plant phenol of grape seeds, bearberry glycoside、laevo-VC、crowtoe.
Aktiv komponent: rose, naturlig plante phenol fra vindruesfrø, bearberry glycosid, laevo-VC, crowtoe.
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
Katalytisk syntese af phenetol ved ethylering af phenol med diethyl carbonat(DEC) i en fastsengsreaktor blev undersøgt.
It was found that the removel of phenol, CN , and COD in 40-60 C range is as high as mesophile temperature.
Det blev fundet, at fjernelsen af phenol, CN og COD i området 40-60 °C er så høj som mesofil temperatur.
The technique for preparing phenol formaldehyde resin from phenolated wood (PWF) and its characters were studied and analyzed.
Teknikken til at fremstille phenolformaldehydharpiks fra phenoleret træ (PWF) og dets egenskaber blev undersøgt og analyseret.
It is found that they exist in the form of phenol and phenoxide in solution .The ratios of the two forms and spectral behavior change with th...
Det er fundet, at de findes i form af phenol og phenoxid i opløsning. Forholdet mellem de to former og spektretisk adfærd ændrer sig med th...
The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.
Katekine og ursolic blev bestemt ved HPLC. Polysaccharider og tannider blev bestemt ved henholdsvis sulfosyre-phenol- og kompleksometri titreringsmetoder.
RESULTS Zhike syrup obviously prolonged the incubation period of coughing and increasel the bronchotracheal secretion of phenol red.
RESULTATER Zhike sirup forlængede tydeligt inkubationsperioden for hoste og øgede bronkotrakealsekretionen af fenolrød.
Chloroxylenol , a halogenated phenol, is a germicide that is effective against gram negative and gram positive bacteria, fungi, and yeast.
Chloroxylenol, en halogenholdig phenol, er et desinfektionsmiddel, der er effektivt mod gram-negative og gram-positive bakterier, svampe og gær.
METHODS:The purified polysaccharides is determined by colourimetry with sulfuric acid phenol as colourimetric reagent.
METODER: De rensede polysaccharider bestemmes ved kolorimetri med svovlsyre phenol som kolorimetrisk reagens.
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
De primære syntetiske metoder for 4-hydroxycoumarin blev gennemgået, startende fra phenol, 2-acetylsalisylsyre, methylsalicylat og o-hydroxyacetophenon.
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