An approximate simulation method has been developed for the shielding effectiveness of a rectangular enclosure with arbi......

采用微乳液法制备了纯相立方和六方晶相NaYF4∶Yb3 ,Er3 发光材料, 微乳液体系选择了CTAB(十六烷基三甲基溴化铵)-正丁醇-正辛烷-......

实验研究了晶相对下转换的影响。Tb3 -Er3 耦合对将一个紫外光子(Tb3 的7F6→5L1)294 nm 剪裁成800 nm (Er3 的4I9/2→4I15/2)......

利用 MOCVD技术在提高生长温度 (90 0℃ )下生长出了高质量的立方相 Ga N ,生长速度提高到 1.6μm / h.高温生长的 Ga N样品近带边......

ZnO films and ZnO:Cu diluted magnetic semiconductor films were prepared by radio frequency magnetron sputtering on Si(11......

A pulsed laser system is realized with graphene employed as a Q-switch.The graphene is exfoliated from its solution usin......

The angle dependence of optical phonon modes of an AlN bulk single crystal from the m-plane(1100) and c-plane(0001) surf......

The objective of this study was to investigate the mechanical characteristics of implant-abutment interface design in a ......

We report the synthesis of uniform-sized hexagonal ZnO nanocrystals by the thermolysis of Zn-oleate complex,which was pr......

GaN nanobelts are synthesized using the chemical vapor deposition method with the catalyst of Ni.The microstructure,comp......

Ce-doped ZnO films were prepared by the sol-gel method with spin coating onto glass substrates.Zinc acetate dihydrate,et......

Uniaxial tensile tests were carried out in the temperature range of 250-450 ℃ and the strain rate range of 0.7×10~ -3 ......

From our recent research on ice I_h(hexagonal ice),we deduce that free OH groups exist at the ice surface and that dangl......

Self-assembly and growth of manganese phthalocyanine (MnPc) molecules on an Au(111) surface is investigated by means of ......

The CoWP film with good magnetic performance and corrosion resistance was electrolessly plated from alkaline solution. T......

The microstructure of hot-dip galvanized Zn-11%Al-3%Mg-0.2%Si alloy coating was studied in this article.X-ray diffractio......

The Molten Salt Reactor (MSR) can meet the demand of transmutation and breeding. In this study, theoretical calculation ......

A surface plasmon resonance(SPR) sensor based on a multi-core photonic crystal fiber(PCF) is presented in this paper.The......

通过两种方法合成了六方形和单斜氧化钨的水化物WO3·yH2O(y=0.50～1.20):(1) 用强酸(1～3 mol/L HCl) 将0.25 mol/L Li2WO4在100 ℃进......

通过控制PO3-4/Tb3+的量比,在低温水热条件下合成了不同形貌的TbPO4·nH2O纳米晶体。采用X射线衍射仪(XRD)、场发射扫描电镜(FE-SE......

为了研究不同方法制备的Fe7S8催化剂的煤直接液化性能与其结构的关系,分别采用焙烧法和溶剂热法制备了不同晶体结构的Fe7S8.通过催......

针对WSANs中的服务发现问题,提出了一种基于六边形分区的多中心编址服务发现算法MASD.算法综合考虑了节点的通信开销和存储负担,设......

针对LEACH协议中存在的节点簇头选举不合理、能量消耗不均衡以及监测得到的数据冗余现象较为严重的问题，结合虚拟单元格的思想，提出......

裁剪作为计算机图形学中的一个重要内容 ,目前研究的算法很多 ,尤其在矩形窗口的图形裁剪算法更是使用最广泛的一类算法 ,但其算法......

介绍了钢管成型打包装置的结构和工作原理,其特点是生产节奏快,打包质量符合用户要求且性价比高。六角形包装件具有造型美观,便于......

用脉冲激光沉积法(PLD)在n型硅(111)平面上生长ZnO薄膜.XRD在2θ为34°处出现了唯一的衍射峰,半高宽仅0.85°;傅里叶红外......