Đặt câu với từ "phenols"

1. Phenols; phenol-alcohols and derivatives of phenols

2. Ether-phenols; ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives

3. Phenols, ammonia liquor ext. ;

4. Catechins phenols of vegetable origin

5. Phenols and Cresols; Potentially Incompatible Absorbents

6. Phenols, ammonia liquor ext. ; Alkaline extract

7. Tar acids, brown-coal gasification; Crude phenols

8. 29.23-90*E**AMINO-ALCOHOL-PHENOLS ; AMINO-ACID-PHENOLS ; OTHER SINGLE OR COMPLEX OXYGEN-FUNCTION AMINO-COMPOUNDS*514.60* - *

9. Alkylated Phenols Alkylated Phenols play an important role in production of rubber because it bonds the strongest on the surface of rubber compounds

10. Phenols are mentioned as physiologically active substances in soil.

11. Tar acids, residues, distillates, first-cut; Distillate phenols

12. Composed primarily of aliphatic and aromatic hydrocarbons and monobasic phenols.]

13. Belongs to the Following Reactive Group(s) Phenols and Cresols;

14. Tar acids, brown-coal, C2-alkylphenol fraction; Distillate phenols

15. Other naturally occurring Antioxidants include flavonoids, tannins, phenols and lignans

16. Composed primarily of aliphatic and aromatic hydrocarbons and monobasic phenols.)

17. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic

18. • comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines

19. Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols

20. Benzophenones Phenols Soil Pollutants Triazoles Water Pollutants, Chemical nonylphenol benzotriazole bisphenol A

21. 2908 || Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols ||

22. • comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines Remark:

23. • Creosote is a mixture of phenols consisting mainly of Cresol and guiacol

24. Cresol definition is - any of three poisonous colorless crystalline or liquid isomeric phenols C7H8O.

25. Other nucleophiles as amines, phenols, alcohols, thioethers or N-heterocyclic compounds do not interfere.

26. Composed primarily of aliphatic, naphthenic and cyclic aromatic hydrocarbons, heteroaromatic hydrocarbons and cyclic phenols.)

27. Phenols and Cresols are much weaker as acids than common carboxylic acids (phenol has pKa = 9.88)

28. Weak until moderate retarders are organic acids and their lactones, simple phenols, flavonoid compounds, condensed tannins and saponin.

29. The examples are taken from the index sections “atomic absorption spectrometry” (method), “phenols” (substance) and “soil” (material).

30. (The combination of phenols extracted, using isobutyl acetate, from the ammonia liquor condensed from the gas evolved in low-temperature (less than 700 °C) destructive distillation of coal. It consists predominantly of a mixture of monohydric and dihydric phenols.)

31. This page looks at the reactions of acid Anhydrides with water, alcohols and phenols (including the manufacture of aspirin)

32. The Carcinogens in tobacco include nicotine, tar, carbon monoxide, ammonia, formaldehyde, phenols, creosote, anthracene, pyrene, hydrocyanic acid,arsenic, and lead

33. Assessment Results Varnishes are made from alkyds, urethanes, polyurethanes, phenols and modified resin systems which polymerize by chemical reaction.

34. (chemistry) Any of the three isomeric phenols derived from toluene: ortho-, meta- or para-methylphenol.··(organic chemistry) Cresol

35. Brominated Compounds Arylamines / Boronic Acids / Bromo-substituted Heterocycles / Alkenes & Alkynes Alcohols & Phenols / Acids & Acid Chlorides / Epoxides, Isocyanates, and Ketones

36. Plants that bleach wood pulp for paper making may generate chloroform, dioxins (including 2,3,7,8-TCDD), furans, phenols and chemical oxygen demand (COD).

37. Ale yeasts produce more esters and phenols during fermentation, which are the byproducts that give beer those non-hop, non-malt driven flavors

38. (The distillate from lignite tar boiling in the range of approximately 80 to 250 °C. Composed primarily of aliphatic and aromatic hydrocarbons and monobasic phenols.)

39. Urinary excretion of phenols, parabens and Benzophenones in young men: Associations to reproductive hormones and semen quality are modified by mutations in the Filaggrin gene.

40. Chapter 3 Alcohols, Phenols, and Ethers 2 3 Alcohols 4 The Hydroxy (—OH) Functional Group •The hydroxyl group (—OH) is found in the alcohol and phenol functional groups

41. Preferred viscosity drift control agents are alkylated phenols such as dinonyl phenol, vegetable oils such as canola oil and jojoba oil, and carboxylic acids such as 12-hydroxy stearic acid.

42. Thus, alkyl and aryl thiols, alcohols, amine, hydride, allyl trimethylsilane, acetophenone, and diethylmalonate as well as some aryl compounds react with the quinone methide to give various 2-substituted phenols.

43. Acidic compounds present in red wine, called phenols, have been shown to inhibit the so-called bad cholesterol (LDL) from clogging arteries with the fatty deposits that cause heart attacks.

44. The Astringent effect is exercised above all thanks to the combination of high and low molecular weight phenols, and to tannins in the presence of proanthocyanidins (other polyphenols characterized by the oligometric repetition of flavonoids).

45. The reaction of 2,3-dichloro-1,4-naphthoquinone with alkoxides, primary amines, and phenols was shown to proceed chemoselectively rather to the corresponding 2-substituted 3-chloro-naphthoquinones or 2,3-disubstituted quinones than to brazanquinone derivatives.

46. Admixtures in Concretelists three materials which, when added in amounts in the range of 0.1 to 10 percent by weight of cement, inhibit the growth of fungi and bacteria- polyhalogenated phenols, dieldrin emulsion and copper compounds

47. ‘Corrosives (mineral acids, Alkalis, phenols) are in this category.’ ‘Carboxylic acids also react with Alkalis, or bases.’ ‘Concentrated acids and caustic Alkalis should be handled with the greatest care.’ ‘On contact, strong acids, Alkalis, and heavy metals cause chemical burns.’

48. By use of the so-called “phase-equilibrium method” and the simulated air coating of the sampling matrices with the phenols in the draught the adsorbent silica gel combined with ethyl acetate as eluent turned out to be extremely effective.

49. The risk assessment has, based on the available information, determined that in the European Community the substance is mainly used as an intermediate in the production of bisphenol A, phenol resins, alkylphenols, caprolactam, salicylic acid, nitrophenols, diphenyl ethers, halogen phenols and other chemicals

50. The risk assessment has, based on the available information, determined that in the European Community the substance is mainly used as an intermediate in the production of bisphenol A, phenol resins, alkylphenols, caprolactam, salicylic acid, nitrophenols, diphenyl ethers, halogen phenols and other chemicals.

51. As nouns the difference between hydroxyl and Carboxyl is that hydroxyl is (chemistry) a univalent radical or functional group (–oh) in organic chemistry; present in alcohols, phenols, Carboxylic acids and certain other classes of compounds while Carboxyl is (organic chemistry) a univalent functional group consisting of a carbonyl and a hydroxyl functional group (-cooh); characteristic of

52. Cresol: 1 n any of three poisonous colorless isomeric phenols; derived from coal or wood tar; used as a disinfectant Synonyms: methyl phenol Types: Lysol a clear oily brown solution of Cresols in soap; used as an antiseptic and disinfectant Type of: phenol any of a class of weakly acidic organic compounds; molecule contains one or more