1、

The Methods of Lowering the Content of Free Sulfuric Acid in TetrabromopHthalic Anhydride

降低阻燃剂四溴苯酐中游离硫酸的方法研究

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2、

Combined with the testing on the technological chain by adapt the new method in the sulfuric acid work-shop as the best point.

尝试新的方法选择了焦化厂的硫酸车间,作为工艺链闭环的切入点。

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3、

The experimental result shows that the sulfuric acid leaching method is more suitable for tellurium slag containing high lead than alkaline leaching method.

并通过硫酸浸出高铅碲渣中碲的条件实验验证了热力学分析的结果。

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4、

From the condition experiment, the optimum reaction temperature and the optimum ratio of mixture acid [ n ( Sulfuric acid)/ n ( Nitrate)] are obtained.

通过条件实验,得出了苯丙酮在常压条件下硝化反应的最佳温度和最佳混酸[n(硫酸)/n(硝酸)]配比。

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5、

Many factors such as amounts and concentration of sulfuric acid, reaction temperature, reaction time, and catalysts were studied.

对影响重氮化和脱氮反应的因素,如硫酸的用量、硫酸的浓度、反应温度、反应时间以及催化剂等的影响进行了研究。

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6、

In addition, the distinction between sulfuric acid corrosion and thiobacillus corrosion is explained.

介绍了混凝土硫酸杆菌腐蚀与化学硫酸腐蚀的区别。

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7、

A thixotropic silica gel electrolyte used in the colloidal storage battery was prepared by using ultrafine silica powder as a gelling agent for sulfuric acid and polyacrylamide as stabilizer.

以超细SiO2粉末为硫酸溶液胶凝剂、聚丙烯酰胺为凝胶稳定添加剂制备胶体蓄电池用触变性硅凝胶电解液。

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8、

The effect of the amount of silica powder and sulfuric acid employed as well as polyacrylamide added on the properties of the gel electrolyte was studied and the mechanism of the peptization of silica powder to form thixotropic silica gel electrolyte was discussed.

研究了SiO2粉末和H2SO4用量及聚丙烯酰胺添加量对凝胶电解液性能的影响,并分析讨论了SiO2粉末胶溶形成触变性硅凝胶电解液的机理和特点。

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9、

Whether it can replace the diesel caustic washing and electrofining sulfuric acid neutralization depends on the development of new deemulsifiers, high efficiency extraction equipment and three phase separator.

氨法化学萃取是直馏柴油精制工艺的研究热点,其能否取代直馏柴油碱洗电精制硫酸中和法工艺的关键在于新型破乳剂、高效萃取设备和三相分离器的开发。

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10、
11、

Power substrate was prepared by aluminium anode oxidation in sulfuric acid electrolyte which consists of carboxylic acids and organic compounds. The effects of current density and oxidation time on thickness and hardness of the obtained anodic oxidation film were studied.

在添加羧酸和有机化合物的硫酸电解液中,采用阳极氧化的方法制备了电路铝基板衬底,研究了电流密度和氧化时间对氧化膜厚度和硬度的影响。

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12、

Aluminium and its alloys were anodized in sulfuric acid solution and electrolytic coloured in a nickel salt bath containing tin salt as an additive.

铝及其合金经硫酸阳极氧化后,在以镍盐为主,锡盐为添加剂的混和盐溶液中进行交流电解着色。镍锡离子共析于氧化膜的微孔底部。

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13、

A tin sulfide fuming process of low-grade sulfuric cassiterite concentrates and tin middlings was investigated and the thermodynamics on ( Cont. on p. 57) ( Cont. from p. 52) sulfurization of SnO_2 was discussed.

实验研究了低品位含硫锡精矿和锡中矿的直接烟化新工艺,并对SnO2的硫化进行了热力学讨论。

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14、

Main Environmental Problems and Countermeasures for Titanium White Production By Sulfuric Acid Process

硫酸法生产钛白粉的主要环境问题及对策

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15、

Problems and improvement measures in titanium white production by sulfuric acid process in China

我国硫酸法钛白粉生产工艺存在的问题和技改措施

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16、

With the starting material intermediate titanyl sulfate and meta-titanic acid of titanium white product by sulfuric acid process, the titanium dioxide and iron content have been determined.

以硫酸法钛白粉生产工艺中间体浓钛液(硫酸氧钛)和偏钛酸为原料,分析了浓钛液中二氧化钛和铁的含量。

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17、

A comparatively systematic study was made of the effect of forming complex compounds in chromophoric system of tetravalent metal ions ( Sn, Ge, Ti and Zr)-o-Cl-PF-CT-MAB by the variation of sulfuric acidity of solution, concentration of surfactant and concentration of chromophoric agent.

本文较系统地研究了溶液硫酸酸度、表面活性剂浓度和显色剂浓度变化对四价金属离子(Sn、Ge、Ti、Zr)O CL PF CT MAb显色体系中配合物形成的影响。

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18、

The essay use the way scrap iron react with sulfuric acid, then adding oxidant-ammonium peroxydisulfate.

采用废铁片与硫酸反应制备硫酸亚铁溶液,然后加入氧化剂&过硫酸铵反应制得硫酸铁铵。

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19、

This article introduced the process, in which waste iron residue, as the main raw materials, responds with industry sulfuric acid to produce discard output liquid add the craft of the born an outcome sulfuric acid calcium in calcium oxide.

介绍了以废铁渣为主要原料与工业硫酸反应制备三氧化二铁,产生的废液加氧化钙生成副产物硫酸钙的工艺。

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20、

Technical review of hydrolysis process of cellulosic materi-ALS using sulfuric acid

纤维素物质硫酸水解工艺述评

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