phenol red
phenol red
phenol resin
phenol resin
free phenol
malayang phenol
crude phenol
hilaw na phenol
cresylic acid, usually containing from 20 to 40 percent phenol, is the second solvent.
Ang acidong cresylic, karaniwang naglalaman ng 20 hanggang 40 porsyento ng phenol, ay ang pangalawang solvent.
It is based on the catalytic effect of phenols for the oxidation of gallocyanin by sodium bromate in sulfuric acid medium.
Ito ay batay sa catalytic effect ng phenols para sa oxidation ng gallocyanin ng sodium bromate sa sulfuric acid medium.
Flavonoids,Phenols and triterpenes are the main constituent exist in Desmodium triquetrum(L.)DC.
Ang flavonoids, phenols, at triterpenes ay ang pangunahing sangkap na matatagpuan sa 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.
Ipinakilala ang pananaliksik at pagpapaunlad para sa produksyon ng pyrocatechol at hydroquinone sa pamamagitan ng reaksyon ng phenol na may hydrogen peroxide at percarboxylic acid bilang hydroxylating reagent.
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
Upang makuha ang polyaryloxyphosphazene, ang mga side chlorines ng polyphosphazene ay direktang pinapalitan ng aryloxy ng phenol gamit ang triethylamine bilang acid agent.
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.
Isang bagong camphol sandaliol ang sinintetisa sa pamamagitan ng selective alkylation ng isocamphol at phenol na may acidic catalyst, at pagkatapos ay hydrogenated sa presensya ng Raney nickel.
2. Tri(2,4,6-tribromophenyl) phosphite was synthesized with phenol, brome and phosphorus trichloride in the presence of pyridine.
2. Ang Tri(2,4,6-tribromophenyl) phosphite ay sinintesis gamit ang phenol, brome, at phosphorus trichloride sa presensya ng pyridine.
Active component： rose, natural plant phenol of grape seeds, bearberry glycoside、laevo-VC、crowtoe.
Aktibong sangkap: rosas, natural na phenol ng halaman mula sa mga buto ng ubas, bearberry glycoside, laevo-VC, crowtoe.
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
Sinuri ang catalytic synthesis ng phenetole sa pamamagitan ng ethylation ng phenol gamit ang diethyl carbonate(DEC) sa isang fixed bed reactor.
It was found that the removel of phenol, CN , and COD in 40-60 C range is as high as mesophile temperature.
Natuklasan na ang pag-alis ng phenol, CN, at COD sa hanay na 40-60°C ay kasing taas ng temperatura ng mesophile.
The technique for preparing phenol formaldehyde resin from phenolated wood (PWF) and its characters were studied and analyzed.
Pinag-aralan at sinuri ang pamamaraan para sa paghahanda ng phenol formaldehyde resin mula sa phenolated wood (PWF) at ang mga katangian nito.
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...
Natuklasan na naroon sila sa anyo ng phenol at phenoxide sa solusyon. Ang mga ratio ng dalawang anyo at pag-uugali ng spectral ay nagbabago kasama ang th...
The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.
Ang catechin, ursolic ay natukoy sa pamamagitan ng HPLC. Ang polysaccharide at tannide ay natukoy sa pamamagitan ng mga pamamaraan ng sulphoacid-phenol at complexometric titration ayon sa pagkakabanggit.
RESULTS Zhike syrup obviously prolonged the incubation period of coughing and increasel the bronchotracheal secretion of phenol red.
RESULTA: Malinaw na pinahaba ng Zhike syrup ang panahon ng pagpapabula ng pag-ubo at nadagdagan ang pagtatago ng phenol red sa bronchotracheal.
Chloroxylenol , a halogenated phenol, is a germicide that is effective against gram negative and gram positive bacteria, fungi, and yeast.
Ang Chloroxylenol, isang halogenated phenol, ay isang germicide na epektibo laban sa gram negative at gram positive bacteria, fungi, at yeast.
METHODS:The purified polysaccharides is determined by colourimetry with sulfuric acid phenol as colourimetric reagent.
PAMAMARAAN: Ang purified polysaccharides ay natutukoy sa pamamagitan ng colourimetry gamit ang sulphoacid phenol bilang colourimetric reagent.
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
Sinuri ang mga pangunahing pamamaraan ng sintetikong 4-hydroxycoumarin simula sa phenol, 2-acetylsalicylic acid, methyl salicylate, at o-hydroxyacetophenone ayon sa pagkakabanggit.
phenol red
phenol red
phenol resin
phenol resin
free phenol
malayang phenol
crude phenol
hilaw na phenol
cresylic acid, usually containing from 20 to 40 percent phenol, is the second solvent.
Ang acidong cresylic, karaniwang naglalaman ng 20 hanggang 40 porsyento ng phenol, ay ang pangalawang solvent.
It is based on the catalytic effect of phenols for the oxidation of gallocyanin by sodium bromate in sulfuric acid medium.
Ito ay batay sa catalytic effect ng phenols para sa oxidation ng gallocyanin ng sodium bromate sa sulfuric acid medium.
Flavonoids,Phenols and triterpenes are the main constituent exist in Desmodium triquetrum(L.)DC.
Ang flavonoids, phenols, at triterpenes ay ang pangunahing sangkap na matatagpuan sa 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.
Ipinakilala ang pananaliksik at pagpapaunlad para sa produksyon ng pyrocatechol at hydroquinone sa pamamagitan ng reaksyon ng phenol na may hydrogen peroxide at percarboxylic acid bilang hydroxylating reagent.
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
Upang makuha ang polyaryloxyphosphazene, ang mga side chlorines ng polyphosphazene ay direktang pinapalitan ng aryloxy ng phenol gamit ang triethylamine bilang acid agent.
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.
Isang bagong camphol sandaliol ang sinintetisa sa pamamagitan ng selective alkylation ng isocamphol at phenol na may acidic catalyst, at pagkatapos ay hydrogenated sa presensya ng Raney nickel.
2. Tri(2,4,6-tribromophenyl) phosphite was synthesized with phenol, brome and phosphorus trichloride in the presence of pyridine.
2. Ang Tri(2,4,6-tribromophenyl) phosphite ay sinintesis gamit ang phenol, brome, at phosphorus trichloride sa presensya ng pyridine.
Active component： rose, natural plant phenol of grape seeds, bearberry glycoside、laevo-VC、crowtoe.
Aktibong sangkap: rosas, natural na phenol ng halaman mula sa mga buto ng ubas, bearberry glycoside, laevo-VC, crowtoe.
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
Sinuri ang catalytic synthesis ng phenetole sa pamamagitan ng ethylation ng phenol gamit ang diethyl carbonate(DEC) sa isang fixed bed reactor.
It was found that the removel of phenol, CN , and COD in 40-60 C range is as high as mesophile temperature.
Natuklasan na ang pag-alis ng phenol, CN, at COD sa hanay na 40-60°C ay kasing taas ng temperatura ng mesophile.
The technique for preparing phenol formaldehyde resin from phenolated wood (PWF) and its characters were studied and analyzed.
Pinag-aralan at sinuri ang pamamaraan para sa paghahanda ng phenol formaldehyde resin mula sa phenolated wood (PWF) at ang mga katangian nito.
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...
Natuklasan na naroon sila sa anyo ng phenol at phenoxide sa solusyon. Ang mga ratio ng dalawang anyo at pag-uugali ng spectral ay nagbabago kasama ang th...
The catechin, ursolic were determined by HPLC.The polysaccharide and tannide were determined by sulphoacid-phenol and complexometric titration methods respectively.
Ang catechin, ursolic ay natukoy sa pamamagitan ng HPLC. Ang polysaccharide at tannide ay natukoy sa pamamagitan ng mga pamamaraan ng sulphoacid-phenol at complexometric titration ayon sa pagkakabanggit.
RESULTS Zhike syrup obviously prolonged the incubation period of coughing and increasel the bronchotracheal secretion of phenol red.
RESULTA: Malinaw na pinahaba ng Zhike syrup ang panahon ng pagpapabula ng pag-ubo at nadagdagan ang pagtatago ng phenol red sa bronchotracheal.
Chloroxylenol , a halogenated phenol, is a germicide that is effective against gram negative and gram positive bacteria, fungi, and yeast.
Ang Chloroxylenol, isang halogenated phenol, ay isang germicide na epektibo laban sa gram negative at gram positive bacteria, fungi, at yeast.
METHODS:The purified polysaccharides is determined by colourimetry with sulfuric acid phenol as colourimetric reagent.
PAMAMARAAN: Ang purified polysaccharides ay natutukoy sa pamamagitan ng colourimetry gamit ang sulphoacid phenol bilang colourimetric reagent.
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
Sinuri ang mga pangunahing pamamaraan ng sintetikong 4-hydroxycoumarin simula sa phenol, 2-acetylsalicylic acid, methyl salicylate, at o-hydroxyacetophenone ayon sa pagkakabanggit.
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