英语翻译
英语翻译
1.Reagents:The chemicals used in this work were,ammonium molybdate,diammonium monohy-drogen phosphate,ascorbic acid,ammonium metavanadate,.zine powder and sodium hydroxide,etc.
All of these reagents were analytical grade and doubly distilled water was used.
2.Apparatus A Model pH s_2 meter (Shanghai Second Analytical Instruments Factory) was used to measure the pH of the solution.Absorption spectra and absorbances were recorded and measured on
a Model WFZ800-D3A spectrophotometer (Beijing Second Optical Instruments Factory).The X-ray diffraction spectrum were measured with a Model TURM6z X-ray spectrometer (Germany).
1.Reagents:The chemicals used in this work were,ammonium molybdate,diammonium monohy-drogen phosphate,ascorbic acid,ammonium metavanadate,.zine powder and sodium hydroxide,etc.
All of these reagents were analytical grade and doubly distilled water was used.
2.Apparatus A Model pH s_2 meter (Shanghai Second Analytical Instruments Factory) was used to measure the pH of the solution.Absorption spectra and absorbances were recorded and measured on
a Model WFZ800-D3A spectrophotometer (Beijing Second Optical Instruments Factory).The X-ray diffraction spectrum were measured with a Model TURM6z X-ray spectrometer (Germany).
英语人气:331 ℃时间:2020-04-07 01:00:19
优质解答
1.Reagents :所使用的化学品这项工作,钼酸铵,二铵monohy激素磷酸盐,抗坏血酸,铵偏,.锌粉末和氢氧化钠等所有这些分析试剂级和双蒸馏水使用.2.Apparatus模型pH值s_2米(上海第二分析仪器厂)是用来衡量pH值的解决办法...
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