phosphoric acid造句
31. The results show that in contrast to phosphoric acid catalyst, the production of cumene on zeolite catalyst exhibits low operating cost, high product yields, high product purity and little corrosion.
32. The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
33. The tricalcium phosphate constituent is converted to phosphoric acid and calcium sulfate.
34. This article discussed the influence factors of productivity of formic acid such as the mol ratio of sodium formate and phosphoric acid, the addition of phosphorus pentoxide, vapouring temperature.
35. In this paper the electrochemical reduction mechanism of selenious acid(H 2SeO 3) in phosphoric acid solution was studied by rotating ring-disc electrode and cyclic voltammetry techniques.
36. The crude phosphoric acid made from low-grade phosphorite was successfully purified through the steps of solvent precipitation, defluorination and desulfuration etc.
37. The invention silicon phosphoric acid aluminum molecular sieve which has AEL structure and the manufacturing method.
38. The article deals with the BESA phosphoric acid process by wet purification.
39. Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
40. Development in research on purification of wet - process phosphoric acid was introduced briefly.
41. The process technology of manufacturing potassium dihydrogen phosphate by double decomposition with wet- process phosphoric acid purified by reaction medium circulation was introduced in this paper.
42. The neutralization reaction of lithium hydroxide and phosphoric acid is adopted to produce lithium phosphate.
43. This paper is concerned with properties of Fire-retardant and its composition of DPB which include Dicyandiamide, Phosphoric acid and Boric acid.
44. The operating condition of Rhone-Poulenc process and the equipment for phosphoric aicd concentration in phosphoric acid plant of Guixi Fertilizer Co. , Ltd. are described.
45. Objective : To investigate the effect of etch with 35 % phosphoric acid on enamel cracks.
46. The cerous phosphate nanophase fluid is produced from cerous nitrate and phosphoric acid by settling method.
47. Used phosphoric acid, aluminum hydrate and nihil album as materials, a new type of anticorrosive pigment zine aluminium phosphate was prepared with coprecipitation method.
48. The phosphor yield of domestic feed grade calcium monophosphate production processes is low, and there are a few production plants using the phosphoric acid concentration defluorination method.
49. The geographical location of the phosphoric acid plants follows a different pattern.
50. In this paper, the method of producing forage-grade calcium hydrogen phosphate is studied through defluorination by adding defluorinating agent in the intermediate crude phosphoric acid.
51. Phosphoric acid is preferred for use in colas, root beer, and other nonfruit drinks.
52. It's a two - component , reinforced etch primer, containing phosphoric acid and corrosion - inhibitive pigments.
53. In place of phosphoric acid, PEM cells employ a thin polymer membrane as their electrolyte.
54. Phosphoric acid can be used as solute of etching agent or forming agent, or as hydrate inhibitor in manufacturing electrolytic capacitors.
55. The DNA damage effect induced by He-Ne laser was analyzed from DNA phosphoric acid skeleton structure and conformation, desoxyribose and phosphoric acid-desoxyribose as well as basic group.
56. Any of a group of proteins , such as casein, containing chemically bound phosphoric acid.
57. Six, in phosphoric acid purification, help wet-process phosphoric acid process gypsum separation. 7, used for water in rivers of water works water treatment flocculant.
58. Sulfuric acid, phosphoric acid, aluminum sulphate, calcium sulphate, calcium chloride and superphosphate were selected as chemical amendments for co-composting of pig manure and straw.
59. Shangsuan phosphate rock of Yunnan province was acidulated by the phosphoric acid about 20% P2O5 produced by hot-process.
60. This article describes the wastewater recovery and cycle utilization technique for wet - scale phosphoric acid plant.
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