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Influence of pH and CTAB on Luminescent Property of Hydrothermally Synthesized GdVO_4: Eu~(3+) Phosphors

Yan Yingli2015-01-01Cailiao yanjiu xuebao

Luminescent phosphors Gd VO4: Eu3 +was prepared in solutions with different p H values by hydrothermal synthesis route using Gd2O3, NH4VO3 and Eu2O3as precursors, and cetyl trimethyl ammonium bromide(CTAB) as surfactant. The synthesized products were characterized in terms of morphology, structure and luminescent perf…

Luminescence Properties of Advanced MaterialsTransition Metal Oxide NanomaterialsCatalysis and Oxidation Reactions

Microstructure, Mechanical Properties and In Vitro Degradation Behavior of a Novel Biodegradable Mg-l.SZn-0.6Zr-0.2Sc Alloy

Tao -、Li、Hailong Hailong 等 10 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

A novel Mg-l.5Zn-0.6Zr-0.2Sc(denoted as ZK21-0.2Sc) alloy was developed as potential biodegradable implant materials.The microstmcture,mechanical properties,and in vitro degradation behavior of the as-cast ZK21-0.2Sc alloy were investigated and compared with ZK21 alloy and pure Mg.The ZK21-0.2Sc alloy showed a single-…

Magnesium Alloys: Properties and ApplicationsAluminum Alloys Composites PropertiesHydrogen Storage and Materials

Synthesis and characterization of CNT/thermoplastic polyurethane composites with a high- toughness

Jia Run-pin2015-01-01New Carbon Materials

Carbon nanotubes( CNTs) were grafted with acrylic acid-3-( perfluoro-3-methykbutyl)-2-hydroxypropylate by an oxygen plasma-assisted method to increase their dispersion in thermoplastic polyurethane( TPU). The TPU monomers and the grafted CNTs were mixed and polymerized to prepare the CNT / TPU composites. Results show…

Polymer Nanocomposites and PropertiesPolymer composites and self-healingFiber-reinforced polymer composites

Numerical simulation of adsorption characteristics of magnetic take-up roll for amorphous ribbon

Song Yanmin2015-01-01Beijing Hangkong Hangtian Daxue xuebao

Take-up roll( TUR) is a key component in amorphous ribbon automatic production line.Take-up rate of TUR determines the ribbon quality and production rate. Because the line speed of amorphous ribbon in the ribbon process is fast and the amorphous ribbon suffers from different resistance,TUR should generate enough adsor…

Textile materials and evaluationsFashion and Cultural Textiles

Mechanical buckling induced periodic kinking/stripe microstructures in mechanically peeled graphite flakes from HOPG

Manrui、Ren Ren、Ze 等 8 位作者2015-01-01力学学报:英文版

机械脱落是一个广泛地使用的方法从体积石墨孤立高质量的 graphene 层。在我们的最近的实验,一些订了微观结构,由性变态和条纹的周期的引申组成,在薄石墨薄片被观察机械地从高度面向的 pyrolytic 被剥石墨。在这份报纸,一个理论模型被介绍在脱落期间把如此的订的结构的形成归因于二个机械过程的引申:(1 ) 一个石墨薄片脱皮并且(2 ) 薄片的机械弄弯正在受到弯曲。在这个模型,条纹 L 的宽度被薄片,表面精力 \(\gamma \) ,和批评弄弯紧张 的厚度 h 决定(\varepsilon _{\mathrm { cr }}\) 。用 \(\gamma \) 和 的一些适当价值(\varepsilon _{\mathrm {…

Carbon Nanotubes in CompositesGraphene research and applicationsForce Microscopy Techniques and Applications

Preparation and performance of fluorescent polyacrylamide microspheres as a profile control and tracer agent

Wan-li、Kang、Leilei 等 12 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

, 和分散剂。microspheres 的结合的特征被 Fourier 变换决定红外线的光谱学。这些 microspheres 的表面形态学与一台反的荧光显微镜在紫外照耀下面被观察。实验室评估测试证明荧光灯聚合物 microspheres 有好水胀大能力,因此,他们有能力为沙包装插上电源并且移居。插的率是 99.8 ?% 和剩余抵抗系数在在沙包装的 microsphere 处理以后是 800。而且,荧光灯 microspheres 和他们的碎片精确地在生产液体在紫外照耀下面被检测,尽管他们在沙经历了挤出和变丑,收拾行李。

Synthesis and properties of polymersAerogels and thermal insulation

In Situ HRTEM Observation of Electron-Irradiation-Induced Amorphization and Dissolution of the E (Al18Cr2Mg3) Phase in 7475 Al Alloy

Maohua、Li、Yanqing 等 14 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

18 Cr 2 Mg 3 )阶段被高角度的环形的黑暗地的扫描传播电子显微镜学调查了并且高分辨率传播电子显微镜学( HRTEM )。在里面 situ HRTEM 观察证明艾尔 18 Cr 2 Mg 有不同厚度的 3 个 粒子不到 300 经历 amorphization 和溶解 ?在 25 点的 keV 电子照耀?

Microstructure and mechanical propertiesAluminum Alloy Microstructure PropertiesAdvanced Materials Characterization Techniques

Effect of Rare Earth Tb Doping on Magnetic Anisotropy and Ultrafast Magnetization Dynamics of Full-Heusler Co_2FeAl_(0. 5)Si_(0. 5)Films

Yan Yife2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

Magnetic anisotropy and ultrafast demagnetization dynamics of full-Heusler Co2 Fe Al0. 5Si0. 5( CFAS) films doped with different concentration of rare-earth Tb are studied by using femtosecond timeresolved magneto-optical Kerr spectroscopy. It is found that the magnetization precession arises in low Tbcontent doped CF…

Magnetic properties of thin filmsMagnetic Properties and Synthesis of FerritesHeusler alloys: electronic and magnetic properties

Recent Progress on Fabrications and Applications of Boron Nitride Nanomaterials:A Review

Xiang-Fen、Jiang Jiang、Qunhong 等 14 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

Boron nitride(BN) nanostructures with complementary functions to their carbon counterparts are one of the most intriguing nanomaterials.Here we devote a compact review on the syntheses of BN nanomaterials:typical zero-dimensional(OD) fullerenes and nanoparticles,one-dimensional(1D) nanotubes and nanoribbons,two-dimens…

Graphene research and applications2D Materials and ApplicationsBoron and Carbon Nanomaterials Research

Metallic mesocrystal nanosheets of vanadium nitride for high-performance all-solid-state pseudocapacitors

Wentuan、Guoan Bi、Zhenpeng 等 11 位作者2015-01-01纳米研究:英文版

转变金属氮化物(TMN ) 具有由他们优异电的电导率,优秀环境耐久性和高反应选择的协作优点的优点的特别兴趣,还完成灵活设计和操作是困难的。此处,钒氮化物(VN ) 的 mesocrystal nanosheets (MCNS ) 从热地稳定的分层的钒铜经由一条范围生长线路被综合,代表第一二维(2D ) 在无机的混合物的金属性的 mesocrystal。从他们的 single-crystalline-like 有益于远程的电子连接, VN MCNS 交付 1.44 的电的传导性 ??? 汰獵瀭畬 ??  ̄吗?

ZnO doping and propertiesSupercapacitor Materials and FabricationMXene and MAX Phase Materials

Bandgap-tunable lateral and vertical heterostructures based on monolayer Mo1-xWxS2 alloys

Yu、Ryuji Kobayashi、Shohei 等 8 位作者2015-01-01纳米研究:英文版

合金,经常甚至在轻轻的条件下面降级,被涂层完成有另外的单层的合金。现在的调查结果表明学习并且优化基于 TMDC 的 heterostructures 的光、电的性质在未来设备应用允许材料的使用的一个有效工具。

2D Materials and ApplicationsChalcogenide Semiconductor Thin FilmsMXene and MAX Phase Materials

Surface Nanocrystallization of Steel 20 Induced by Fast Multiple Rotation Rolling

Xingdong、Yuan、Xu Xu 等 5 位作者2015-01-01哈尔滨工业大学学报:英文版

In order to expand the application of steel 20 in precision device,fast multiple rotation rolling( FMRR) is applied to fabricate a nanostructured layer on the surface of steel 20. The FMRR samples are then Cr-Rare earth-boronized under low-temperature. The microstructure of the top surface layer is characterized by tr…

Microstructure and mechanical propertiesMetal and Thin Film MechanicsMetal Alloys Wear and Properties

Research Progress on Micro-arc Oxidation Technique for Magnesium Alloy

Kong Bin2015-01-01Electroplating & Pollution Control

Micro-arc oxidation is a novel technique to deposit ceramic coatings on the surface of valve metals such as Al,Ti,Mg and their alloys.The principle,electrolyte system and existing problems of micro-arc oxidation technology were introduced,and the future trend was also prospected.

Metal and Thin Film MechanicsMagnesium Alloys: Properties and ApplicationsHigh-Temperature Coating Behaviors

Corrosion Resistance of Silane-Modified Hydroxide Zinc Carbonate Film on AZ31 Magnesium Alloy

Rongchang、Zeng、Lijun 等 15 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

镁合金的腐蚀抵抗能用象恐水病的处理那样的功能的表面修正被改进。在这研究,一部层次氢氧化物锌碳酸盐(HZC ) 电影用脲经由一个简单化学洗澡的免职过程在 AZ31 镁合金上被制作水的答案。形态学,作文和恐水病的电影的腐蚀抵抗用扫描电子显微镜学, X 光检查衍射和 Fourier 变换被分析红外线的分光计,和电气化学的大小也。结果表明 HZC 电影显示了象花的伸出并且有约 100 的厚度 ? m。fluoroalkylsilane (船边交货) 修改了展出的 HZC 电影有 131.3anks speichern 兽穴 Wasserstoff bei einem D ?? ?的一个水接触角度的一个恐水病的性质吗??

Corrosion Behavior and InhibitionMagnesium Alloys: Properties and ApplicationsMagnesium Oxide Properties and Applications

Preparation and Supercapacitor Properties of Carbon-Coated SnO_2 Hollow Fibers

Han Xiao2015-01-01Acta Physico-Chimica Sinica

A new carbon-coated SnO2 hollow fiber was successfully prepared by coaxial electrospinning, and its supercapacitor properties were well studied. The surface morphology and structure were examined using X-ray diffraction(XRD), Raman spectroscopy, scanning electron microscopy(SEM), transmission electron microscopy(TEM),…

Supercapacitor Materials and FabricationConducting polymers and applicationsElectrospun Nanofibers in Biomedical Applications

NiRh nanoparticles supported on nitrogen-doped porous carbon as highly efficient catalysts for dehydrogenation of hydrazine in alkaline solution

Bingquan、Xia、Kang 等 8 位作者2015-01-01纳米研究:英文版

有在从 metalorganic 框架(ZIF-8 ) 导出的做氮的多孔的碳(NPC ) 上支持的不同作文的分散得好的二金属的 NiRh nanoparticles (NP ) 通过一个合作减小方法被综合。NPC-900 支持了 NiRh 催化剂展览向从肼的氢产生的最高催化的活动和 100% 氢选择。这些性质可能被归因于高表面区域和 NPC 的高 graphitization。这策略可以为由作为支持利用 NPC 抛锚设计高效的催化剂开创一条新大街为另外的应用的活跃金属 NP。

Electrocatalysts for Energy ConversionSupercapacitor Materials and FabricationNanomaterials for catalytic reactions

Modification of Composite Foam Materials Based on Citrus Pericarp Residue and Starch by Adding Nano-materials

Wei Da2015-01-01Packaging Engineering

To study nano-modification of composite foam materials based on citrus pericarp by adding different contents of montmorillonite. Four different mass contents(1%, 3%, 5%, 7%) of nano-materials were added into the composite foam materials based on citrus pericarp residue and starch, respectively. Composite foam material…

Electrospun Nanofibers in Biomedical ApplicationsPolymer Foaming and CompositesNeurological Disease Mechanisms and Treatments

Application of Te-Based Glass in Silicon Solar Cells

Xinxin、Pi Pi、Xiuhua 等 13 位作者2015-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

2 xZnO10Bi 2 O 3 ( x ?=? 15 , 17.5 , 20 和 22.5 ,在mol%)并且 70TeO 2 20ZnO(10y)Bi 2 O 3 yNa 2 O ( y = 1 , 3 , 5 , 7 ,并且 10 ,在mol%)眼镜和相应 Ag 浆糊被准备以便证明 基于Te 的玻璃玻璃料能被用于 Ag 粘贴制作 Ag 电极。在眼镜的结构和性质之间的关系被分析。Ag 电极的微观结构,粘附力量,和抵抗力上的玻璃玻璃料的效果被学习。Ag 电极的微观结构和在 Ag 电极和 Si 晶片之间的接口的阶段分析用 SEM 和 XRD 被调查。最后, 70TeO 2 20ZnO5Bi 2 O 3 5Na 2 O 玻璃在粘贴显…

Silicon and Solar Cell TechnologiesTransition Metal Oxide NanomaterialsSilicon Nanostructures and Photoluminescence

Growth control of peptide-nanotube spherulitic films: Experiments and simulations

Netta、Hendler、Elad 等 10 位作者2015-01-01纳米研究:英文版

多层次自己组装(MHSA ) 是为许多复杂结构的自发的形成负责的一个关键过程。因为这个过程的复杂性,然而,内在的机制仍然保持大部分不清楚。因此, MHSA 的更深的理解被要求,特别为经由自底向上的方法论的 MHSA 系统的准备。我们这里,试验性地并且理论上出现,肽 nanotube 电影的复杂形成的 MHSA 能完全被操作湿度的试验性的参数控制。而且,我们识别生长前面成核(GFN;在周界的新谷物的形成) 词法进化作为为由有阶段地的相关试验性的观察的观察词法转变的物理背景当模特儿。我们的调查结果显示一个简单方法控制多层次的形态学,为在为实际应用程序构造复杂结构的自底向上的技术的雇用关键。

Supramolecular Self-Assembly in MaterialsModular Robots and Swarm Intelligence

Nickel plating on a Cu Zr-based metallic glass and the influence on plasticity

Ya Chen2015-01-01OpenAlex

Nickel layer with different thickness is electroplated on the side surface of a Cu46Zr46Al8 bulk metallic glass. Electroplating time and current intensity has the most important influence on the coating thickness and quality. When electroplating time within 3 h and current intensity below 20 m A, the coating thickness…

Glass properties and applicationsMetallic Glasses and Amorphous AlloysSurface Roughness and Optical Measurements