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Through the analysis of the alloy electroplating solution in gradients, the process variables and their relationship between content of manganese in the alloy coating, the optimum process has been obtained, the additive to improve the cathode current efficiency was found; it was found that the deposits with a manganese content 40~60% exhibit excellent corrosion resistance; the corrosion resistance of zinc-manganese alloy coating will be even better after"phosphated"and passivated.

研究发现Na〓SeO〓能显著提高锌锰合金电沉积电流效率。首次用循环伏安法、恒电势电解法、恒电流阶跃法研究了Na〓SeO〓提高电流效率的作用机理。研究发现Na〓SeO〓在锌锰共沉积的条件下在阴极是分两步还原,即:首先在-0.9V处被还原为单质硒,然后在-1.25V处被还原为多硒阴离子。证明了多硒和多硒阴离子都在阴极存在特性吸附

The effects of sodium silico-fluoride on the zeta-potential, hydrophility and adsorption of styryl phosphonic acid of diaspore particle surfaces have been systematically studied.

系统研究了氟硅酸钠对一水硬铝石表面ζ电位、亲水程度及苯乙烯膦酸吸附的影响,提出了苯乙烯膦酸浮选金红石与一水硬铝石时氟硅酸钠对一水硬铝石的选择性抑制作用机理。

The photoisomerization reaction of norbornadiene to form quadricyclane was carried out in a photoreactor in order to study the effects of the structure of the catalysts on their catalytic activity.

制备了Zn掺杂TiO_2、La掺杂ZnO/TiO_2、Ti-MCM-41和MCM-TiO_2催化剂,利用XRD、BET、TEM、XPS、DR UV-vis、FT-IR、N2吸附-脱附等技术对催化剂进行了表征,在光反应器中进行了降冰片二烯异构化生成四环烷的反应,研究了制备方法对催化剂的结构和性能的影响规律。

This paper presents experimental studies on the treatment of picric acid wastewater by using sulfonated coal sorption-micrbelectrolysis-biochemical process.

介绍了用磺化煤吸附-微电解-生化法处理苦味酸废水的实验研究。

The character of polarographic wave is studied, and results suggested this polarographic wave is an adsorption polarographic wave.

本文研究了极谱波的性质,表明该极谱波是一吸附极谱波。

The polarographic complex adsorptive wave was firstly used to detect DNA specific sequences of the phosphinothricin acetyltransferase gene.

应用极谱络合吸附波方法检测了草丁膦乙酰转移酶基因的DNA特定序列。

The trace organics in soaking water from water tanks, which were made or coated with 7 va rious kinds of materials respectively, were preconcentrated using XAD resins and analyzed by capillary column GC/MS.

采用高分子大网状吸附树脂富集技术和GC/MS方法,对国内七种材料的水箱浸出有机物进行了分析,共计检出有机物百余种。

When the pH is 1.00, column is longer than 8.0 cm, the flow rate of sample solution is lower than or equal to 1.0 mL·min-1 and elution rate with 0.1 mol·L-1 HCl-3% thiourea(40mL) is lower than or equal to 0.5 mL·min-1, Au, Ru, Pd, Pt and Rh can be quantitatively preconcentrated.

对贵金属通过离子交换柱的酸度、过柱流速、柱高、洗脱剂类型、洗脱剂用量和洗脱剂流速进行了系统的研究,找到了最佳条件,同时,还对该树脂的吸附性能和重复使用进行了研究。

The adsorption properties of crosslinked chitosan for Ag were studied and a new method for preconcentration and separation of Agwas proposed.

研究了交联壳聚糖对银的吸附性能,提出了用CCTS作为富集剂预富集分离水样中痕量银的新方法。

The calcination and presence of adsorbed phases could lead to rearrangement of Si species in framework, and reaction of MTH aggravates desilication of the SAPO molecular sieves framework.

通过2D〓Al 3Q MAS NMR区分了多种不同配位状态的Al物种,动态跟踪了Al物种在吸附/反应过程中的变化情况。

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