Experimental study on the process cyanidation adding CaO_2 was carried based on the characteristics of gold oxide ore of Huangshilao Gold Mine. 根据黄狮涝金矿深部氧化金矿石的特性,对采用过氧化钙强化氰化浸出工艺进行了试验研究。
A Hyrogen peroxide biosensor based on immobilizing Hemoglobin on gold nanoparticles and chitosan-Zinc oxide nanoparticles composite films 基于氧化锌-壳聚糖-纳米金复合杂化膜修饰的过氧化氢生物传感器的研究
Process Study on High-Sulfur and High-arsenic Refractory Gold Concentrate Nitrate Leaching Liguid Purification and Preparation of Nano Iron Oxide 高硫高砷难处理金精矿酸浸液净化及制备纳米氧化铁的研究
Determination of arsenite in aquatic product by anodic stripping voltammetry with gold nanoparticles modified indium tin oxide electrode The Research of Electro-Catalytic Oxidation for Nitrophenol in Aqueous Solution on Modified SnO_2 Anodes 纳米金修饰氧化铟锡电极阳极溶出伏安法测定水产品中痕量砷改性二氧化锡电极电催化氧化水中硝基苯酚的研究
The gold content above 10-9 in lead metal and lead oxide can be accurately determined by this method. 测定方法可准确测定金属铅及氧化铅样品中10~(-9)级的金。
In the supergene mineralization stage, pyrite and arsenopyrite were oxidized to iron ( hydr) oxide minerals and gold was enriched by adsorption onto the iron ( hydro) oxide minerals. 表生氧化期黄铁矿与毒砂氧化形成氧化铁矿物,金被吸附到氧化铁矿物之上得到富集。
Studies on Determination of Trace Gold by Trioctylphosphine Oxide Modified Electrode 三辛基氧化膦修饰电极测定Au(Ⅲ)的研究
Study on Column Leaching of As-bearing and Low-grade Gold Oxide Ores 含砷低品位氧化金矿石柱浸研究
The investigated results show that,( 1) loaded gold may suppress the crystallization behavior of iron oxide support, improve reduction of the iron oxide and increase the number of adsorption sites on the surface of the obtained catalyst. 结果表明:(1)负载纳米金能抑制氧化铁载体在焙烧时的结晶过程,提高其还原性能以及增加表面CO吸附中心。
Experimental study on rich-oxygen leaching for certain gold oxide ore 某氧化金矿石富氧浸出试验研究
Research on the Process and Metallurgical Flow Sheet of a Gold Oxide Mine 某氧化金矿选冶工艺流程方案的研究
Extraction of Gold(ⅲ) and Its Mechanism by Triphenylphosphine Oxide in Benzene Solution 三苯基膦氧化物萃取金(Ⅲ)及其机理
The high catalytic activity of Au/ Fe_2O_3 catalysts at low temperature can be attributed to the synergism between higher dispersion of gold particles and easier reduction property of the iron oxide support. Au/Fe2O3催化剂的低温高活性及其稳定性归因于高度分散的金粒子及其与易被还原的氧化铁载体间的协同作用。
The adsorption process of silver and gold complexes on cyanidation leaching residue of an oxide ore containing limonite is investigated. 研究某褐铁矿型金矿石氰化浸出渣对银和金氰络合物的吸附过程。
Using as-prepared zinc oxide nanowires and the gold modified zinc oxide nanowires assembled gas sensors, Compared the sense response of them to some common organic volatile gases. 利用本章制备的氧化锌纳米线和金修饰氧化锌纳米线分别组装一种气体传感器,对比它们对常见有机挥发性气体的传感响应。
In summary, gold valence, cerium oxide morphology and surface adsorption oxygen are the factors on the CO catalytic oxidation reaction. 综合测试结果表明,金的价态和氧化铈载体的形貌、表面的吸附氧等都是CO催化氧化反应的影响因素。
In recent years, many reports show that gold has the catalysis ability of various chemical reactions. Gold catalysts show great research prospects and wide application. Gold droped on nano metal oxide catalyst can purify carbon monoxide gas of environment at room temperature and wet conditions. 大量的研究结果表明金有催化多种化学反应的能力,纳米金属氧化物负载金型催化剂可以在常温、常湿的条件下净化环境中的一氧化碳气体,显现出了巨大的研究价值和应用前景。
Another explanation was a synergetic interaction, that is, the partial electron transfer, between the gold and the metal oxide support. 另一种观点认为是协同效应,即在金和金属氧化物之间的部分电荷迁移。