1. Having proposed suitable nomenclature for gas chromatography and ion exchange, the commission then developed a unified nomenclature for chromatography.

2. Check, recharge and/or change as required any ion exchange media that you may be using on a frequent and routine basis.

3. An ion exchange process creates an aqueous slurry of platelets of molecular dimensions.

4. Waste treatment by ion exchange produces a reusable water.

5. Several continuous ion exchange plants are being operated successfully.

6. Complete demineralization is achieved by ion exchange.

7. Ion exchange equipment has the duplicate bed andmixed bed.

8. In the power industry, ion exchange is widely used in makeup water preparation.

9. The regeneration capability, the influencing factors and the ion exchange technics of the natural clinoptilolite to ammonia nitrogen were researched.

9. is a online sentence dictionary, on which you can find excellent sentences for a large number of words.

10. The compression resistance intensity of all three ion exchange membranes declines with temperature increasing.

11. Home water softeners make use of the ion exchange properties of natural or synthetic zeolite minerals.

12. From rejected ion exchange membrane the perfluorinated acid resin is abstracted as solid super acidic catalyst.

13. The treatment to Zincic waste water by amphoteric ion exchange resin was investigated by static adsorption method.

14. Ion exchange is one of practical measures to treat electro-plating wastewater for reuse.

15. The equilibria in the first part deal with complexation, solubility, redox reactions, and solvent extraction and ion exchange.

16. The trade name Permutit was given to this patented ion exchange process, it being derived from the Latin verb to exchange.

17. Protein bound leucine Leucine was separated from other amino acids in the protein hydrolysate by preparative ion exchange chromatography.

18. A commercial filtering medium now on the market combines activated carbon and an ion exchange resin.

19. The chapter focus then switches to chromatographic modes, reversed phase, ion exchange and size exclusion being examined.

20. The process produces a much smaller volume of chemically inert radioactive waste than conventional ion exchange techniques.

21. Perfluorinated Sulfonyl Fluoride Resin prepare in this paper, used for proton exchange membrane fuel cell, was analyzed by DSC, TGA, etc...Mechanical property and ion exchange content were tested, too.

22. The units which are used for extracting uranium from the lixivium of in situ leaching(or heap leaching) are all the packed bed with ion exchange of high efficiency.

23. The invention discloses a process for refining lecithin and cephalin from mixed bed ion exchange resin.

24. Below the glass strain temperature, interdiffusion coefficients are almost independence of sodium oxide concentration in the glasses and somewhat increase with long ion exchange time.

25. In this paper the isolation and identification of trypsin inhibitors from porcine pancreas by CM -and DEAE-Cellulose ion exchange chromatography have been reported.

26. Juice purification, corn syrup deashing, beat sugar purification and sweetener decolorization are practiced daily in many Ion Exchange Separations and Activated Carbon Adsorption installations.

27. The determination of material structure, performance parameters and membrane resistance, membrane diffusion coefficient of the F4112 ion exchange membrane were introduced.

28. The results show that the most speciation is residua and the least speciation is ion exchange.

29. Results show that the adsorption is an endothermic reaction, which ion exchange is responsible largely for the removal of phosphate.

30. Abroad uses activated carbon, alone couplet system nation uses ion exchange resin.

31. The leaching solution was purified by ion exchange, and then ammonium metavanadate was precipitated. A qualified product V 2O 5 was obtained by calcining ammonium metavanadate .

32. According to experiments the optimum conditions for extraction, decolorizing carbon and ion exchange are given, and the contents of produced syrup are analysed.

33. A rapid method for the determination of thiabendazole was developed in six kind of Juice concentrate by ion exchange chromatography(IEC) and fluorescence detection.

34. Two major allergens PT 13 and PT 53 in platanus hispanica pollen were isolated and purified by ion exchange chromatography and gel filtration chromatography.

35. The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid type ion exchange resin.

36. The technology of separation D - aspartic acid and L - alanine by ion exchange method was investigated.

37. Consequently, ion exchange strengthened cover glass can increase the reliability of solar cell, which can improve service efficiency and prolong the life of solar cell.

38. Study on FIA-phosphomolybdate blue spectrophotometric determination of phosphorus in iron and steel, using micro ion exchange column on line withdrawal ferric ion.

39. The process includes hydrochloric acid pretreatment, acetone extraction, hydrolysis of astaxanthin esters by catalysis of basic ion exchange resin,(http:///ion exchange.html) and adsorption separation.

40. This paper summarizes the application and the development of ion exchange resin.

41. In this study trimethyl amine was reclaimed from amination wastewater by using 001 hydrogenous strong-acid ion exchange resin. The recovery ratio is more than 90%.

42. In the past half-century for a variety of sea water from the salt lake brine and method of extracting lithium as solvent extraction, precipitation and ion exchange adsorption, etc.

43. Methods: Extracted by EtOH, purified by 732 - positive ion exchange resin.

44. A ion exchange resins was studies for the esterification of fumaric acid with methanol in this paper.

45. The synthetic effects were evaluated through data of calcium ion exchange capacity, whiteness etc.

46. The equipment uses the sodium ion exchange to carry on softening processing.

47. A fiber-optic reflected sensor has been developed by immobilizing xylenol orange on 717 anion ion exchange resin.

48. Selenium-containing phycocyanin(Se-PC)was purified from Se-enriched Spirulina platensis using ion exchange and gel filtration chromatography.

49. In burner water softening, ion exchange technological process is an economical, advanced and reliable method.

50. Among the procedure of tobramycin production, hydrolysis of the fermentation solution, purification by ion exchange chromatography and salt formation has been studied.

51. Red pigment is extracted and purified from fruits of Phytolacca acinosa Roxb using ion exchange resin.

52. Ion exchange resin is one of the most familiar materials used in preprocessing of industrial water - supply.

53. Ion exchange and hydrothermal reactions of zeolite under alkaline conditions are studied.

54. They were further purified with DE-52 cellulose ion exchange chromatography and Dextran Blue-Sepharose 4B affinity chromatography.

55. Deactivation is not found during the ion exchange by using molten potassium nitrite.

56. LC is mainly based on mechanisms of adsorption, mass distribution, ion exchange, size exclusion or stereochemical interaction.

57. The static and dynamic state dialysis behavior of polysulfone ion exchange membrane was studied under different dialysis conditions in hydrochloric acid solution.

58. In this paper, the methyl cinnamate was synthesized from cinnamate acid and methanol by using strongly acidic ion exchange resin as catalyst.

59. A method for speciation analysis of chromium by ion exchange with DPC spectrophotometric determination was developed.

60. Catalytic acetylation of methamidophos for the production of acephate in batch stirred tank by using ion exchange resin was presented.

61. There are solvent extraction, ion exchange, vacuum melting, vacuum distillation or sublimation, electro migration and regional melting, etc.

62. Methods carry on the extraction and separation with the ion exchange resin.

63. Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

64. Methods The peptide was separated by ion exchange column chromatography and further purified by reverse phase HPLC, and the molecular weight was determined by tricine gel electro phoresis.

65. Production of caustic soda in ion exchange membrane method Was reviewed.

66. Primary economic benefit evaluation was performed on electrodialysis and ion exchange resin.

67. The possibility of its potential application is discussed for separation of actinon - lanthanon mixtures by ion exchange.

68. A new synthesize method of weak-base ion exchange fiber was developed in our lab. The process produces amine and imidazolyl functional groups chemically bonded to the PAN fiber.

69. The properties of ion exchange of reed, Amur silver grass and bamboo modi -fied by sulfonating treatment for the removal of heavy metal ions were investigated.Sentencedict

70. Solvent-impregnated Resins(abbrev. SIR) were introduced to bridge the gap between liquid-liquid extraction and solid ion exchange.

71. Objective To study the performance of ion exchange fiber adsorbing and desorbing puerarin by batch method.

72. Application of ion exchange technology in the purification, epimerization analysis and detection of sugar was introduced.

73. But now, the mechanism of ion exchange on clinoptilolite was not clear in whole world . So the technology that extracting kali salt from seawater by clinoptilolite was restricted.

74. Calmon has quoted ion exchange costs of $ 0.12 - 0 . 30 / 1000 gal for boron treatment.

75. The effect of particle size on reaction rate of isobutene hydration was investigated in the slurry semibatch agitated reactor with fine powder of NKC-9 ion exchange resin.

76. The chemical principle of extracting gold with ion exchange resin is discussed, the latest progress and prospects of the research on ion exchange resin are pointed out, and the tec...

77. The adsorptivity of D 990 ion exchange resin for platinum and rhenium in acid solution was investigated.

78. Ion exchange water treatment is the major method for water demineralizing and softening. There are tens of thousands of ion exchange units in China now.

79. "Softening" was a result of the ion exchange,() the basic form is not easy to contain the calcium and magnesium ions encrustation . Anti-scaling can also play a role.

80. The results show that treating ammoniated waste water by ion exchange Tech. on clinoptilolite is feasible.

81. Formaldehyde 8 hydroxyquinoline sodium benzene sulfonate resorcinol copolymer described as chelating ion exchange resin was synthesized.

82. The method of batch ion exchange chromatography combined with gel filtration chromatography to purify Human-like Collagen Biopolymer I was investigated.

83. The feature of ion exchange vaporization-concentration process used to dispose wastewater produced by electroplating, as well as running effects are introduced.

84. The paper discussed the separation of Xylitol, Arabitol and Sorbitol by Ion Exchange Chromatography.

85. In this paper, the ion exchange equilibria of taurine (Tau) and glycin (Gly) on D290 anion exchange resin were investigated.

86. Methods:Chymopapain was purified by ion exchange chromatograph and tested its effect on nucleus pulposus in vitro.

87. Strengthening of the borosilicate flat glass using a low - temperature ion exchange method was investigated.

88. Ion exchange softening Series: If Mobile - bed tower, Combined softener and Automatic softener.

89. The results indicated that the velocity of solution or the exchange efficiency could be improved by the magnetic ion exchange applied to continuous ion exchange operation.

90. And ion exchange is an important way to fabricate waveguides as it has a much simpler process and also can yield high repeatability and bring low loss of energy.

91. Ion exchange membrane for the separation for ion exchanging eluate is posed in accordance with the problem of electroplating wastewater treatment in this paper.

92. With hydrogen sulfide and tetrapropylene as raw materials, TDM was synthetized by the one step process in the presence of acidic ion exchange resin.

93. Seeing that ion exchange process for treatment of boiler feed-water is of high cost and difficult to master, composite antiscale KH- 209 is developed and prepared.

94. In the forming process, the adsorbent is added with a pore forming agent and subjected to alkali treatment for home position crystallization and ion exchange.

95. They are removed more readily by chemical flocculation, activated carbon absorption and ion exchange.

96. The total amount of ion exchange state, carbonate state and ferric-manganese oxidation state has very little effects on full selenium.

97. A catalytic process for preparing a monoalkylene glycol from a corresponding alkylene oxide utilizing an ion exchange resin and a reactor in which an upflow process is used is provided.

98. Objective An analyticail method of determinating thioglycolic acid in cosmetics by ion exchange chromatography suppressed conductivity detection has been developed.