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31. The results show that the content of Cu, Zn, Cd and Pb in low water season were higher than those in average water season. 32. Langmuir equation could describe the sorption isotherm of Cu 2 +, Zn 2 + and Cd 2 +. 33. Methods Certain amounts of and Zn were put into the wastewater to produce hydrogen (H2) and the H2 reacted with S2-to form H2S, and sulfuret was separated from the wastewater. 34. The property of the coating is identical with electroplating Zn - Ni alloy coating in ammoniate. 35. The presence of Zn 2 + stabilizes the active site conformation required for enzyme activity. 36. The preparation of Ni - Zn ferrite from sodium jarosite residue was studied. 37. Serum Cu, Zn, Ca, Mg, VA, VE and lipoperoxide levels were measured in 160 senior workers aged 39 to 78 by atomic absorption spectrometry and fluorimetry. 38. The distribution plant roots in different soil layers was not influenced by Zn application in topsoil but by soil water supply. 39. There are many interlayer sliding belts in Siding Pb - Zn mine. 40. A simple and practical welding technique , the oxygen - acetylene welding technique, for Zn - Al alloys is recommended. 41. Paleozoic Sn polymetallic province in the northern accretionary zones of the craton, where Pb Zn and Sn polymetallic deposits were formed in Paleozoic basins with extensional tectonic background. 42. Methods: The serum levels of Zn were measured by atomic absorption spectrophotometry ( AAS ). 43. Zn thiazole is a thiazole organic zinc fungicide with highly activity on citrus canker disease. 44. F can promote the emission of Pb, Cd, Zn and Cu. 45. The content of essential metals such as Zn and Cu are higher than unessential metals as Hg, Cd, Pb, Cr, Ni, etc. 46. It indicates that the Nd 2 AlFe 14 Mn 2 compound has a rhombohedral Th 2 Zn 17 - type structure from 104 to 655 K. 47. Sand culture experiment compound effects of N and Zn on chloroplast ultrastructure of white clover leaves. 48. Specially designed etymologic list by I - Zn drawn from his familiarity of Latin and Greek. 49. A new preparation method of the environmental friendly nano - Ag - Zn bactericide for coatings has been described. 50. So the reason of P - Zn antagonism was not due to zinc sorption strength by application phosphorus. 51. Degeneration of Suaeda heteroptera Kitag is closely related to pollution of heavy metal in the seawater, including Cu, Zn, Pb, Cr, Ni. 52. Results The contents of Zn, Mn, Cu, Fe in osseous tissue of the experimental group of rats are obviously... 53. A solution culture experiment was carried out to compare the influences of organic acids application on zinc (Zn) uptake and accumulation by two ecotypes of Sedum alfredii Hance. 54. Zn thiazole is a thiazole organic zinc fungicide with highly activity to rice bacteria disease. 55. Zn grains grew gradually and its morphology transformed from graininess to lamellae with the temperature increasing. 56. The new technology of production of Zn powder by alkaline leaching and electrowinning is described. 57. In this article, corn sunflower and castor-oil plant seedlings were researched for the removing of Zn, Cu, Pb from water with blastofiltration method. 58. In order to study the relation between trace elements and aristogenesis , the content of Zn in 38 children with defect was determined. 59. Effects of foliar application of Zn fertilizer on nitrate and nitrate reductase (NR) in Lettuce were studied by methods of field experiment and lab analysis. 60. Mayuan is a newly discovered Zn - Pb ore deposit on the northern margin of Yangtze landmass.