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31) Pyridine is alkaline the production that uses extensively at medicine, pesticide, flavor, balata and dye.

32) In this dissertation, pyridine, pyrrole, quinoline and picoline were selected as model compounds to study the rules in the temperature ranges from 873K to 1623K.

33) The process for the synthesis of pyridine using tetrahydrofurfuryl alcohol(THFA)as material was researched in this article.

34) In the paper, a PVC membrane picric acid anion selective electrode is developed using Bromhexadecyl pyridine picrate ion pair as the active component and dioctyl phthalate as the plasticizer.

35) Triisopropyl phosphite was synthesized and isopropanol using pyridine as an organic base.

36) Three new types of side chain polyviologen, using poly 4-vinyl pyridine as main chain, were synthesized and their electroredox and photoreduction behaviors were investigated.

37) Biaryl substituted pyridine, pyrimidine and pyrazine compounds are sodium channel blockers useful for the treatment of pain.

38) Boron - substituted polyaromatic mesophase prepared by co - pyrolysis of a tar pitch with pyridine - borane complex under autogeneous pressure.

39) Pyrrole, imidazole and furan are biodegradable organics, and pyridine are poor biodegradable organics.

40) The successful synthesis of the aromatic triamine containing pyridine ring laid an important foundation for preparation of a novel hyperbranched polyimide.

41) The manufacture process of nicotinic acid based on ammonia oxidation method, which is introduced in this article, reached 99% conversion of 3-methyl pyridine.

42) The 2,6 dipicrylamino 3,5 dinitro pyridine ( PYX ) pureness reference material had been certificated by potentiometric method.

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43) A charge-transfer salt was synthesized with 12 - molybdophosphoric acid and pyridine in aqueous solution.

44) In the original titrimetric solution, known as Karl Fischer Reagent, the sulfur dioxide and iodine are dissolved in pyridine and methanol.

45) This review described the preparation and application of crosslinked polyvinyl pyridine resins.

46) The main composition of this wastewater is acetaldehyde, paraldehyde, metaldehyde, pyridine and some acetaldehyde polymers.

47) A novel bi - pyridine quaternary ammonium salt cationic surfactants was prepared by acrylic modified rosin.

48) A classical method to determine the content of cinnamaldehyde is called hydrochloride hydroxylamine - pyridine oximation.

49) N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents, including DMF, DMSO, DMAc and pyridine.

50) Boron substituted polyaromatic mesophase was prepared by co pyrolysis of a coal tar pitch with pyridine borane complex under autogeneous pressure.

51) The catalyst was made of zeolite as the active component with boehmite as the carrier. Its activity of olefins removal was tested and solid catalyst surface acidity was measured by pyridine FT-IR.

52) The factory also undertake pyridine derivatives and various solvent distillation process.

53) The urine samples were collected at 7∶00,11∶00 and 15∶00, and were assayed by modified Aldridge ? s method ( pyridine - p - phenylenediamine mixture ) .

54) IR results of pyridine adsorption reveal that supported samples have both Bronsted and Lewis acid centers, and 2-propanol dehydration is a Bronsted acid catalysed reaction.

55) The stable derivative of L-ascorbic acid, L-ascorbic Acid-2-sulphuric acid ester dipotassium salts are synthesized using potassium pyrosulfate as esterifying agent and pyridine as solvent.

56) The catalyst deactivation kinetics of pyridine chlorination was investigated in an integral fixed reactor.

57) In this paper, sizing result of self-fixing cationic rosin neutral sizing agent is probed, which are made from epichlorohydrin, pyridine and triethylamine.

58) This paper introduces the physicochemical property, use, market condition, synthesis method, technology economic index, invest appraisal and economy effect of hydrobromic acid pyridine salt.

59) The organic solvents can impact the activity strongly. The transesterification activity of enzyme in toluene, isooctane and pyridine has been investigated.

60) Urine - Determination of thiocyanate - Pyridine － barbituric acid spectrophotometric method.