图1e1,e2中标记为白色虚线正方形的e1和e2区域的FFT图案表明,PtIr纳米线具有fcc相,同时还具有[011]和[001]区域的两个典型特征衍射图案,并且PtIr NW上PtIr(200)晶面的随机平均晶格间距为0.18 nm(图1e3)。PtIr纳米线的粉末X射线衍射(...
摘要：以硝酸線为傑源，通过水热法制成NiO-C载体，随后利用L-抗坏血酸和氢气将卷;离子镶嵌入载体中，制备出Pt和NiO共存的Pt@NiO-C催化剂，并对其全解水性能进行测试。首先运用XRD、SEM、XPS等测试手段，对材料组成与结构进行了表征。结果表明，半导体NiO不仅可以作为析氢贵金属载体，同时也可以为析氧提供活性...
DMFC的阳极电催化剂目前大多以Pt为基础，但Pt会强烈结合反应中的CO中间体而引起催化剂中毒，造成甲醇氧化动力学缓慢且Pt成本较高，自然资源有限[4]。为克服这些困难，科学家们已经研究了许多具有协同作用的Pt基双金属材料（Pt-M），例如PtAu[5]、PtPd[6]、PtRu[7]等。在Pt-M催化剂中，Pt与Pd因为晶格匹配度高...
品牌名称PEI-Genesis 商品型号 PT04A20-27SW-072 商品编号 C21039206 包装方式 袋装 商品毛重 1克(g) 商品参数 参数完善中 梯度价格 梯度 售价 折合1袋 1+￥869.95￥869.95 200+￥347.12￥347.12 500+￥335.52￥335.52 1000+￥329.79￥329.79 优惠活动 ...
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This Owner's Manual is provided and hosted by Appliance Factory Parts. LG PTED1202JC Owner's Manual Shop genuine replacement parts for LG PTED1202JC Find Your LG Air Conditioner Parts - Select From 2328 Models --- Manual continues below --- Operation Maintenance Packaged Terminal Air Condition...
【关键词】IPv4；IPv6；过渡技术；网路地址转换-协议转换；域名服务-应用层网关 【中图分类号】TP393.4【文献标识码】A 【文章编号】1002-0802(2012)11-0056-02 Research and Implementation of NAT-PT Technology Combined with DNS-ALG WANG Zi-long， CHEN Guang-wu (Key Laboratory of Opto-electronic ...
(0x0802) Jul 25 13:21:00.831 UTC: As34 LCP: MRRU 1524 (0x110405F4) Jul 25 13:21:00.831 UTC: As34 LCP: EndpointDisc 1 Local Jul 25 13:21:00.831 UTC: As34 LCP: (0x131301636C6561726C616B652D6C616E) Jul 25 13:21:00.831 UTC: As34 LCP: (0x2D3031) Jul 25 13:21:01.135 UTC:...
The as-prepared Pt NCs/CNTs-10% exhibits the same diffraction patterns as the standard Pt card (JCPDS: 04-0802). The XRD pattern of CNT support displays two peaks at ~25.7◦ and ~42.5◦ assigned to the (002) and (100) reflections, respectively [21]. The (002) peak is also ...
XRD patterns of Pt/C, PtRu/C and Pt/C-MnxO1+x, with the characteristic Miller indexes of Pt fcc (JCPSD card #00-4-0802). The Mn 2p XPS spectrum in Figure 3A exhibited Mn 2p1/2 at 653.52 eV and Mn 2p3/2 at 641.71 eV, in which the spin-energy separation of 11.79 eV which ...