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Study on Characteristics of a Novel Optical Phased Array based on Liquid Crystal

Jin Dai2014-01-01ACTA PHOTONICA SINICA

A novel optical phased array based on Liquid crystal was studied,and its structure scheme feature is a planar wavegude with liquid crystal cladding.Propagation,output diffraction characteristics and other peformances of liquid crystal-optical phased array were all studied and analyzed according to Frank-Oseen continuu…

Photonic and Optical DevicesLiquid Crystal Research AdvancementsSemiconductor Lasers and Optical Devices

Functionalization of PCL fibrous membrane with RGD peptide by a naturally occurring condensation reaction

Wen-Ting、Zheng Zheng、Di 等 14 位作者2014-01-01中国科学通报:英文版

Poly (-caprolactone)( 打印机控制语言) 广泛地为设计脚手架的织物作为成分被采用。为了改进它的房间亲密关系,在这研究,我们开发了一个新方法经由在 2-cyanobenzothiazole (基于计算机的教学) 和 D 半胱氨酸之间的冷凝作用反应介绍 bioactive RGD 肽到打印机控制语言的表面上。打印机控制语言含纤维的膜被 electrospinning 准备,并且 RGD functionalization 被荧光显微镜学描绘,扫描电子显微镜学(SEM ) , X 光检查光电子光谱学(XPS ) 和水接触角度(WCA ) 。是期望,我们的结果在打印机控制语言的表面上表明了成功的 RGD 固定。RGD…

Advanced biosensing and bioanalysis techniquesElectrospun Nanofibers in Biomedical Applications

Thermal Conductivity of Cu/Diamond Composites Produced by High Pressure Liquid Infiltration Method

HE Jinsha2014-01-01Cailiao yanjiu xuebao

The Cu/diamond composites containing 90%(volume fraction) diamond particles were prepared at 1200°C under a pressure of 5 GPa by high pressure liquid infiltration method,giving a measured thermal conductivity of 662 W·m-1·K-1.The characterization of composites by means of SEM,EDS and XRD shows that the interfacial bon…

Advanced ceramic materials synthesisDiamond and Carbon-based Materials ResearchAluminum Alloys Composites Properties

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Vincenza D’Anna、Alexandra Spyratou、Manish Sharma 等 4 位作者2014-01-01OpenAlex

Inorganic compounds with BH � 4 ions are the subject of many recent investigations in the context of potential hydrogen storage materials. In this work, Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) spectra of a series of reference and research compounds (including deuterated samples) are collecte…

Hydrogen Storage and MaterialsHybrid Renewable Energy SystemsChemical Reactions and Isotopes

Polyacrylic acid sodium salt film entrapped Ag-nanocubes as molecule traps for SERS detection

Zhulin、Huang、Guowen 等 17 位作者2014-01-01纳米研究:英文版

提高表面的拉曼光谱学(重量的单位) 是为踪迹化学药品的一种快分析技术;然而,吸附 analytes 要求活跃重量的单位底层,因此为底层与需要的亲密关系限制目标种类到那些。这里我们现在的联网的 polyacrylic 酸钠盐(PAAS ) 电影骗诱 Ag-nanocubes (作为 Ag-nanocubes@PAAS 表示了) 作为为有或没有高亲密关系的 analytes 的有效重量的单位底层。一次 analyte 水的答案在干燥 Ag-nanocubes@PAAS 底层上被扔,嗜酒的 PAAS 变得肿强迫 Ag-nanocubes 松开,当时在在 Ag-nanocubes 之中的空隙弥漫的 analytes。当弄干时, PAAS…

Gold and Silver Nanoparticles Synthesis and ApplicationsAnalytical chemistry methods developmentProtein Interaction Studies and Fluorescence Analysis

Design and experimental study of a micro-groove grinding wheel with spray cooling effect

Shi、Chaofeng、Li 等 6 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

磨液体供应的有效性在在高速度磨擦磨质量和效率上有关键影响。以便改进冷却和润滑油通过自我吸入的内部冷却方法和断断续续的磨擦机制的深入的研究,使方法凉下来的一朵新水花在高速度磨擦使用了被建议。由指碗状的分散磁盘的结构,有粉碎成原子能力的磨擦车轮矩阵被设计;通过学习微滴碰撞的热转移和对沸腾的热转移的密纹的影响,与密纹磨片断被设计提高冷却剂的热流动并且完成在微滴和磨擦接触地区之间的最大的热转移。有发达磨擦车轮的 GH4169 的高速度的磨擦实验被执行。结果与磨车轮的密纹显示出那就, 5.4% 泵插头流动率和 0.5% 锭子精力被需要把磨擦温度归结为 200 潩吗?

Advanced machining processes and optimizationDiamond and Carbon-based Materials ResearchTribology and Lubrication Engineering

Synthesis of mesoporous polymeric carbon nitride exhibiting enhanced and durable visible light photocatalytic performance

Fan、Dong、Yuhan 等 12 位作者2014-01-01中国科学通报:英文版

一位 thiourea 先锋被采用综合由有高表面区域 SiO2 和 nanosphere SiO2 的一个热 polycondensation 过程的 mesoporous 碳氮化物(C3N4 ) 难模板作为二打字。结果的 mesoporous C3N4 样品与狭窄的尺寸分发(9.3 nm ) 有高表面区域(105112 m2/g ) 和 mesopores。Photocatalytic 性能被移动评估不在在可见的光下面的空中照耀。结果证明显著地展出的 mesoporous C3N4 样品与体积 C3N4 比较改进了 photocatalytic 活动,它也超过了做 N 的 TiO2 和做 C 的 TiO2 的。活动改进能被归功于…

Advanced Photocatalysis TechniquesGas Sensing Nanomaterials and SensorsGa2O3 and related materials

Design of polarization insensitive filters with micro- and nano-grating structures

王文梁、戎晓红2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

为各向同性的绝缘的薄电影,极化效果是一个固有的特征。当它将做光电的系统的性能,去坏,如此的极化依赖者性质经常是不堪忍受的并且应该在许多应用程序被消除。在这份报纸,基于其时期由四部分组成的微光、 nano 光的结构,极化感觉迟钝的过滤器被联合严密波浪理论和多客观的有免疫力的优化算法获得。它的工作波长是经常在激光系统被使用的 1315 nm。我们 TE 和 TM 极化了的表演挥动的设计的结果有 0.482 和 0.485 的反射率,分别地在 1315 nm 的设计波长。并且二价值近是两个到设计价值,他们的差别仅仅是 0.003,并且极化偏差几乎不也是,这表示。因此,设计过滤器能在 1315 nm 波长消除极化偏差的效果很好。

Photonic and Optical DevicesAdvanced Fiber Laser TechnologiesOptical Coatings and Gratings

Controlled synthesis and characterization of core-shell fluoro-silicone-containing fabric agent

Lin Chun-xian2014-01-01Journal of Functional Biomaterials

The core-shell particles containing fluorine-silicon polymer was prepared by activators regenerated by electron transfer atom transfer radical polymerization(ARGET-ATRP)using SiO2-Br as initiator.The obtained polymer with well-controlled molecular weight and low polydispersity was used as water and oil repellent fabri…

Surface Modification and Superhydrophobicity

Hydrolytic Degradation Behaviors of Poly(p-dioxanone) in Ambient Environments

You、Yuan、丁颂东 等 7 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

hydrolytic 降级上的温度和相对湿度的效果(p-dioxanone )(PPDO ) poly 被调查。hydrolytic 降级行为被跟踪吸收,机械、水晶的性质,分子的重量和它的分发,表面形态学,以及红外线的吸收山峰和氢化学药品在降级期间转移的水的变化监视。虽然在象温度或相对湿度的裂缝减少的内在的粘性,张力的力量和延伸增加,水吸收增加,这被发现虽然在象温度或相对湿度的裂缝减少的内在的粘性,张力的力量和延伸增加。与降级时间成长,分子的重量落下,它的分发拓宽。PPDO 的 crystallinity 有一个趋势起初增加然后减少,当水晶的结构显著地没被改变时。同时,一些裂缝在表面上被观察并且不停地成长并且加深。所有结果证明温度…

Advanced Sensor and Energy Harvesting MaterialsPolymer crystallization and propertiesPolymer Science and PVC

Research Progress on Hydrothermal Stability of MCM-41 Mesoporous Molecular Sieves Enhanced by Mcirostructure Units

Junqian Xu2014-01-01Guisuanyan xuebao

The existing synthesis methods and recent researches on the hydrothermal stability of the mesoporous molecular sieves enhanced by the microstructure units were summarized.The effect of the microstructure units on the hydrothermal stability of the mesoporous molecular sieves was analyzed.The relations between the micro…

Catalytic Processes in Materials ScienceZeolite Catalysis and SynthesisMesoporous Materials and Catalysis

Electrical properties of sulfur-implanted cubic boron nitride thin films

Xingwang、Zhang、Zhigang 等 11 位作者2014-01-01中国科学通报:英文版

立方的硼氮化物(c-BN ) 薄电影被适用在 Si 底层上扔离子横梁帮助了免职然后由 S 离子培植做了。为了在 c-BN 生产 S 离子的一致深度侧面,拍摄,培植为多重精力被执行。c-BN crystallinity 的细微降级源于离子培植能被热退火恢复,象 92 % 一样高使立方的阶段满意。为在 5 的 S 培植以后的到 108 的同样扔的 c-BN 电影的从 1010 的电阻还原剂

GaN-based semiconductor devices and materialsSemiconductor materials and devicesBoron and Carbon Nanomaterials Research

Materials Selection of Marine Seawater Pipelines Based on Life Cycle Costing

Geng、Jun-bao、Michael Michael 等 4 位作者2014-01-01国际设备工程与管理:英文版

Marine seawater pipelines can be manufactured from different materials that vary in their purchase costs and lifetimes,thus presenting a challenge when selecting proper materials for a particular project. To solve this problem,a life cycle cost model for marine seawater pipelines was developed after identifying key co…

Corrosion Behavior and InhibitionLife Cycle Costing Analysis

Polymer assisted thick single-layer YBa2Cu3O7-δ films prepared with modified TFA-MOD method

Pei Pei、Guo、Xiaohui 等 10 位作者2014-01-01稀有金属:英文版

Single-layer YBa2Cu3O7-d(YBCO) films with the thickness of over 600 nm were fabricated by modified metal organic deposition using trifluoroacetate metal organic deposition(TFA-MOD) method on LaAlO3(LAO) substrates. Polyvinylbutyral(PVB) was added into the precursor solution to enhance the thickness of the single layer…

Physics of Superconductivity and MagnetismZnO doping and propertiesSemiconductor materials and devices

Catalytic performances of potassium and sodium hydroxides/carbonates and calcium and magnesium oxides on hydrolysis of a-chloropropionic acid to lactic acid

Changhua ZhangLingqin ShenHengbo Yin、Aili WangXiaobo Yan2014-01-01OpenAlex

Catalytic hydrolysis of a-chloropropionic acid to lactic acid in liquid phase over different alkaline catalysts, such as alkali metal hydroxides, alkali metal carbonates, and alkaline-earth metal oxides, was investigated. Lactic acid was mainly produced by the hydrolysis of a-chloropropionic acid over the alkaline cat…

Mesoporous Materials and CatalysisCatalysis for Biomass ConversionChemical Synthesis and Reactions

Flexible Organic Light Emitting Diodes Based on Double-layered Graphene/PEDOT∶ PSS Conductive Film

WU Xiao-xia2014-01-01Chinese Journal of Luminescence

Graphene is an ideal material for the preparation of high performance conductive film because of its unique electrical properties,excellent mechanical ductility and good chemical stability. This paper presents the preparation of a double-layered graphene/poly(3,4-ethylenedioxythiophene) : poly(styrenesulfonate)(PEDOT∶…

Organic Electronics and PhotovoltaicsAdvanced Sensor and Energy Harvesting MaterialsConducting polymers and applications

Magnesium based degradable biomaterials: A review

Xuenan、Gu、Shuangshuang 等 7 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

镁为生物医学的应用作为革命可被细菌破坏的金属被建议了。然而,镁的腐蚀太快速,不能匹配织物愈合的率并且另外,展出局部性的腐蚀机制。因此为他们的实际使用控制镁的腐蚀行为是必要的。这篇论文包括地在代表性的镁的开发考察研究进步基于合金,包括象体积一样的 Mg-Ca, Mg-Sr, Mg-Zn 和 Mg-REE 合金系统金属性的玻璃。他们的微观结构,机械性质和腐蚀行为上的 alloying 元素的影响被总结。机械并且腐蚀性质做镁合金也演员组合金与那些比较被讨论。而且,这评论也盖住为生物医学的应用在镁合金上在可能减解的涂层的领域里执行的研究。钙磷酸盐和可被细菌破坏的聚合物涂层基于使用的不同准备技术被讨论。我们也在镁合金底层的腐蚀行为上比较不同…

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

Catalytic properties of ZnO-modified copper ferrite catalysts in water-gas shift reaction

Lin Xing-y2014-01-01Ranliao huaxue xuebao

The catalytic properties of ZnO-modified copper ferrite in water-gas shift( WGS) reaction were evaluated between 250 and 400 ℃. The Zn2. 5-Cu / Fe( modified by 2. 5% ZnO) showed high catalytic activity. The catalyst was characterized with XRD,SEM,H2-TPR and CO2-TPD techniques and N2 sorption experiment. It was shown t…

Magnetic Properties and Synthesis of FerritesNanomaterials for catalytic reactions

A New Hidden Markov Model for Protein Quality Assessment Using Compatibility Between Protein Sequence and Structure

Zhi-quan、He He、Wenji 等 8 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

Protein structure Quality Assessment(QA) is an essential component in protein structure prediction and analysis. The relationship between protein sequence and structure often serves as a basis for protein structure QA.In this work, we developed a new Hidden Markov Model(HMM) to assess the compatibility of protein sequ…

Protein Structure and DynamicsEnzyme Structure and FunctionMachine Learning in Bioinformatics

Corrosion Induced Explosion of a High-Pressure Fire-Extinguishing Gas Cylinder

Yong JiangJian-ming、GongPeng-jie Tang2014-01-01OpenAlex

The failure of a high-pressure fire-extinguish- ing cylinder was investigated. Failure was induced by internal surface corrosion and stress corrosion cracking (SCC) due to condensation of carbonic acid. In internal surface, especially the area near the bottom of the exploded cylinder, severe corrosion was characterize…

Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsEngineering and Material Science Research