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- The sulfuric acid solution was then cooled and added slowly to 360 kg of ice water. 冷却硫酸溶液并缓慢加入到360千克冰水中。
- The sulfuric acid solution was then cooled and added slowly to 360 kg.of ice water. 冷却硫酸溶液并缓慢加入到360千克冰水中。
- A mixed sulfuric acid boric acid solution was used to prepare the anodized oxide film for Al alloys. 摘要采用硫酸-硼酸混合液制备铝合金氧化膜。
- The results showed that the untreated PTW were corroded in acid solution at pH 2.0 and dissolved by boiling concentrated sulfuric acid. 未处理的PTW在pH=2.;0的酸性溶液中开始被腐蚀;并能被煮沸的浓硫酸所溶解;
- The effects of the amount of sulfuric acid solution,the amount of potassium iodide solution and quiescent time after extraction were investigated. 考察了硫酸溶液的用量、碘化钾溶液的用量及萃取后静置时间等条件对双氧水含量分析的影响。
- The adsorption properties of nicotin by D001B macroporous strong acid resin from sulfuric acid solution have been investigated. 研究了硫酸溶液中D001B大孔强酸型树脂对烟碱的吸附性能。
- Electrode selection for oxidation of cerium by cation ion-exchange membran electrolysis in sulfuric acid solution was reported in this paper. 报导了硫酸介质中电解氧化铈的阴阳极选择。
- In this study, with the sulfuric acid solution as the crosslinker, chitosan bioadhesive microspheres were prepared via ionic crosslinking. 以硫酸为离子交联剂,制备了几丁聚糖生物粘附性微球。
- The results shows that the micro-hardness and film thickness of aluminum alloy 2A12 in low sulfuric acid solution are larger than these in high sulfuric acid solution. 结果表明:2A12合金在低硫酸浓度中进行硬质阳极氧化,氧化膜的硬度和膜层厚度较在高浓度硫酸溶液中的高;
- Leaching of a copper residue, produced by selected oxidation leaching of a nickel matte, in oxygenated sulfuric acid solution with the participation of chloride was investigated. 研究了镍锍选择性氧化浸出产生的铜渣在硫酸介质中氯离子参与下的氧气氧化浸出。
- Ni+Pb coatings are electrodeposited on the surface of A3 steel in order to decrease the corrosion of A3 steel in sulfuric acid solution with different concentration. 摘要尝试在A3钢表面施镀镍+铅双镀层,以提高其在硫酸溶液中的耐蚀性能。
- This paper reports the solvent extraction of Germanium from sulfuric acid solution by hydroxamic acids in kerosence. 在异羟肟酸(煤油)/硫酸体系中,测定了锗的分配比。
- The desorption efficiency of resin to metals more than 90% with 1M sulfuric acid, and desorption efficiency more than 80% when Ni2+ 100mg/L, Al3+ 200mg/L in sulfuric acid solution. 当用1mol/L硫酸解吸时;树脂对镍铝的解吸率可达90%25以上。 当硫酸中Ni2+为1.;70mmol/L;Al3+为7
- The scale up process of electrochemical reduction of nitrobenzene to p aminophenol(PAP) in sulfuric acid solution was investigated using a 1000 L cell with rotating Cu-Hg cathode and ceramic membrane. 采用1000L阴极转动分隔式电解槽,研究了硝基苯电解合成对氨基苯酚(PAP)的工业化放大过程。
- It is not practical to use pH 5.5 phosphoric acid or sulfuric acid solutions to acidify calcareous soil. 对于pH较高的石灰性土壤,只用低pH (pH=5.;5)的酸水溶液在短时间内降低土壤pH是不切实际的。
- Whether or not sulfuric acid concentration is high or low, sulfuric acid solution, bath temperature and current density affect the micro-hardness and film thickness of aluminum alloy 2A12. 无论是硫酸溶液浓度高低,硫酸溶液浓度、槽液温度、氧化电流密度等均影响2A12铝合金硬质阳极氧化膜的硬度和膜层厚度。
- Optimal analytical condition was obtained are that:the sample was extracted with water,then added sulfuric acid solution,potassium iodide solution,and four drops of ammonium molybdate. 结果表明,最佳分析条件为样品用水萃取后,依次加入硫酸溶液、碘化钾溶液、4滴钼酸铵溶液,用硫代硫酸钠标准溶液滴至近终点。
- Porous anodic alumina(AAO) films have been prepared by electrochemically anodizing aluminium in sulfuric acid、oxalic acid and phosphoric acid solutions,respectively. 采用电化学方法分别在硫酸、草酸、磷酸电解液中制备了多孔阳极氧化铝(AAO)薄膜.
- Acidic solutions of sulfuric acid, alkalescence franctional solation sodicity franctional with sodium hydroxide. 碱性溶液的酸度以硫酸的分数来表现,碱性溶液的碱度以氢氧化钠的分数来表现。
- Most sulfuric acid is made by the contact process. 大多数的硫酸是用接触法制造的。