搜索结果: 1-13 共查到“Au-Cu”相关记录13条 . 查询时间(0.093 秒)
近日,中国科学院兰州化学物理研究所羰基合成与选择氧化国家重点实验室何林团队与中国科学院理化技术研究所陈勇团队合作,发现胺诱导Au(I)-Cu(I)双金属聚合物解聚的行为,利用现代表征技术发现[Au(NHC)2][CuI2]双金属聚合物解聚过程中,Cu促进了胺与[Au(NHC)2]+的配体交换行为,而且在解聚过程中Cu体现出可逆氧化还原行为,Cu(I) → Cu(II) → Cu(I)。受此启发,通...
以Au/Cu纳米棒为基底的肺腺癌组织的特征表面增强拉曼光谱研究
金纳米棒 铜离子掺杂 表面增强拉曼光谱 肺癌组织
2019/1/23
通过金铜共混法制备了Au/Cu合金纳米棒,研究了铜掺杂对金纳米棒等离子体共振吸收和结构的影响,探究了Au/Cu合金纳米棒的等离子体共振拉曼增强效应.以Au/Cu合金纳米棒为基底对肺腺癌组织和癌旁正常组织进行了表面增强拉曼光谱检测.结果显示,癌变组织具有比癌旁正常组织更强的拉曼信号峰,位于1250,1344,1408,1568,1608和2560 cm-1附近的拉曼峰分别与蛋白质的Amide Ⅱ氨基...
中国科学院合肥智能机械研究所利用EXAFS技术研究不同组成成分的Au-Cu双金属纳米颗粒电化学行为差异(图)
中国科学院合肥智能机械研究所 EXAFS技术 Au-Cu双金属纳米颗粒电化学
2016/5/6
近期,中国科学院合肥智能机械研究所973首席科学家刘锦淮研究员和黄行九研员领导的课题组利用电化学分析技术与X-射线吸收精细结构能谱(EXAFS)技术,初步探索研究了不同组成成分的Au-Cu双金属纳米颗粒电化学分析无机污染物As(III)行为差异的内在机制。相关成果发表在Elsevier《Sensors and Actuators B: Chemical》杂志上(Sensors and Actuat...
Phobos results on charged particle multiplicity and pseudorapidity distributions in Au+Au, Cu+Cu, d+Au, and p+p collisions at ultra-relativistic energies
Phobos results on charged particle multiplicity pseudorapidity distributions Au+Au, Cu+Cu, d+Au p+p collisions ultra-relativistic energies
2011/1/4
Pseudorapidity distributions of charged particles emitted in $Au+Au$, $Cu+Cu$, $d+Au$, and $p+p$ collisions over a wide energy range have been measured using the PHOBOS detector at RHIC. The centralit...
Corrosion Properties of Ag-Au-Cu-Pd System Alloys Containing Indium
Ag-Au-Cu-Pd system alloy Corrosion resistance Tarnish
2010/12/1
In this study, the corrosion resistance of Ag-Au-Cu-Pd system alloys consisting of 5 or 10 mass% indium was evaluated. Levels of element release and tarnish were determined and electrochemical measure...
以Au和Au-Cu为衬底的Si/DLC薄膜的机械性能
拉曼光谱 类金刚石薄膜 结合力 硬度
2009/12/3
通过纳米划痕测试技术(nano-scratch)研究了以Au和Au-Cu(xAu=93%, xCu=7%)为衬底, 多晶硅Si为基片的类金刚石(DLC)薄膜的机械性能, 其中DLC薄膜厚度约为10 nm. 研究结果表明, Au-Cu衬底对Si/DLC薄膜的结合力比Au衬底对Si/DLC薄膜的结合力要好. 紫外(244 nm)为激发光源的拉曼光谱测试结果显示在相同薄膜制备条件下Au-Cu衬底比Au衬...
水热法合成ZnS∶Au,Cu超细X射线发光粉
Cu 水热法 X射线激发发光
2009/10/28
报道了水热法合成的高强度ZnS∶Au, Cu超细X射线发光粉及其光致发光(PL)和X射线激发发光(XEL)的光谱特性。200 ℃水热处理12 h直接合成样品的纳米晶粒约15 nm,尺寸分布窄,分散性好,具有纯立方相的类球形结构。氩气保护下1 000 ℃焙烧1 h后的样品存在一定的团聚,但团聚后尺寸为1~2 μm,为超细X射线发光粉,此时样品为纯六角相的类球形为主的结构。所有样品的PL和XEL光谱均...
Sulfuration Resistance of Five Experimental Ag-Pd-Au-Cu Alloys with Low Pd Content of 10 or 12%
Ag-Pd-Au-Cu alloys Low Pd content Sulfuration resistance
2009/9/14
Commercial Ag-based alloy (46Ag-20Pd-12Au-20Cu alloy) is widely used in Japan as a casting alloy. As opposed to the commercial composition, we prepared five experimental Ag-based alloys with reduced P...
Effect of additive metals, Sn, Ga, and In in Ag-Pd-Au-Cu alloys on initial bond strength of 4-META adhesive cement to these alloys
Ag-Pd-Au-Cu Alloy Bond Strength 4-META adhesive cement
2009/9/11
The purpose of this study was to investigate the effects of three additives, Sn, Ga, and In, as well as the main constituents, Pd and Cu, of Ag-Pd-Au-Cu alloys on the initial bond strength of 4-META a...
在大冶-九江沿长江分布的Fe, Cu(Au)和Au(Cu)矿床的夕卡岩矿物中, 除含气-液包裹体外, 还含大量熔融包裹体和流体-熔融包裹体. 熔融包裹体形态多样, 它们主要由不同相比例的晶质硅酸盐(CSi)、铁质(Fe)、非晶质硅酸盐(ASi)及气体(V)多相组成. 其中有的含有几个结晶硅酸盐相. 所研究的熔融包裹体大小一般为(10~46) mm×(6~15) mm. 流体-熔融包裹体与熔融包裹体...