Random good picture Not show

31) ASTM D2710-99 Standard Test Method for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration.

32) Dibromo neopentyl glycol, useful as a reacting fire retardent, is suitable to make unsaturated polyester resin, bromine - containing epoxy resin, etc.

33) Ambient conditions that include toxic gases such as hydrogen sulfide, sulfurous acid, nitrous acid, chlorine, bromine, methyl bromide, ammonium, etc.

34) Polyamide 66 was blended with 35 % of phosphate - bromine - antimony compounding flame retardants an LOI of 33.

35) Both collaborations have also studied the effects of low - energy electron attachment to halo- uracil molecules, in which a halogen atom such as bromine replaces a hydrogen atom.

36) In this paper, the extraction of bromine from seawater and brine was studied with new type macromolecule polyvinylidene fluoride (PVDF) hollow fiber gas membrane.

37) With half-trace law instead of constant law, bromine ethane not iodine ethane reacts to carbolic acid sodium in order to make benzene ether.

38) The preparation and catalytic properties of different bromine - free catalysts were discussed.

39) Petroleum products. Determination of bromine number of distillates and aliphatic olefins. Electrometric method.

40) Strong Chlorine and Bromine Chlorine Hydantoin were used as acute toxicity for fries of Ctenopharyngodon idellus.

41) The testing period of chemical titration was longer bromine content of BBR was lower.

42) Derivatives of bromine are much more active than the corresponding one of chlorine.

42) Wish you can benefit from sentencedict.com and make progress everyday!

43) Various methods are disclosed to remove the hydrobromic acid vapor from the higher molecular weight hydrocarbons and to generate bromine from the hydrobromic acid for use in the process.

44) The content and ingredient as well as origins of impurity in bromoethane made from dregs of bromine at a pharmaceutical manufacturer was analysed through GC and GC-MS.

45) A new pesticide intermediate 3-Bromobenzaldehyde was prepared from benzaldehyde and bromine with anhydrous alchlor as the catalyst in 1,2-dichloroethane solvent.

46) Pharmaceutical and Photographic Grade Potassium Bromide, Ammonium Bromide, Hydrobromic Acid, Lithium Bromide as well as organic bromine flame retardants including Tetrabromobisphenol A and so on.

47) In presence of catalyst AICI_3, the complete bromination of biphenyl in excess bromine can be achieved easily, and the yield of 98% is obtained.

48) A P-N-Br synergistic flame retardant pentaerythritol bisphosphorate tribromoaniline salt was synthesized using phosphorus oxychloride, pentaerythritol, aniline, and bromine as raw materials.

49) Companies to take advantage of the local rich brine resources, focus on the development of brominated flame retardants and pharmaceutical intermediates, such as deep-processing industry bromine.

50) Alkanes can be chlorinated or brominated by treatment with chlorine or bromine in the presence of visible or uv light .

51) He saw that if you take the atomic mass of chlorine, 2 add it to the atomic mass of iodine, divide by two, you get something that is really close to the atomic mass of bromine.

52) The bromine liquid and IR spectrum were used for quality analysis, and the results proved that products were aloin A and aloe emodin.

53) Bromobenzene, magnesium , antimony trichloride and bromine act as raw materials, dibromotriphenylantimony flame retardant is synthesized.

54) The existing bromine in acetic acid could aggravate corrosion on metal hole.

55) Through absorption of bromine vapor, the electrical conductivity of poly(phenylacetylene) (PPA) was enhanced by 1012 times.

56) An experiment in Japan found certain ingredients of beer , such as pseudouridine , melatonin , and a bromine can lessen the harm done by radiation to the human body .

57) Thiophene reacted with bromine and zinc to produce 3 - bromothiophene via substitution and reduction reaction.

58) Hydroxyzine imine; o ketone at and bromine with chloroform mixed solution reaction.

59) Main product has bromine of chloride, industry, magnesium chloride to wait.

60) Polyaniline(PANI) was synthesised by chemical oxidation method, then doped by bromine vapor and hydrobromic acid, the conductivity of PANI was increased by 11-13 orders of magnitude after doping.