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Transition of electrical conductivity in carbon nanotube/silver particle composite buckypapers

Fenghua、Su、Menghe 等 4 位作者2014-01-01中国颗粒学报:英文版

The electrical conductivity of carbon nanotube buckypapers can be dramatically increased by incorporation of silver particles contained in a commercial silver paste.Two methods,co-dispersion during the production of buckypaper and surface coating on a preformed buckypaper,were used to prepare composite buckypapers.The…

Carbon Nanotubes in CompositesConducting polymers and applicationsFiber-reinforced polymer composites

Highly stretchable pseudocapacitors based on buckled reticulate hybrid electrodes

Zhang、Pingshan、Luan 等 16 位作者2014-01-01纳米研究:英文版

以便与高特定的电容和突出的 stretchability 开发优秀 pseudocapacitor 与在便携的未来和 bio-implantable 系统适用的另外的设备匹配,我们在三个重要方面上集中我们的研究:混合电影电极,在不同部件之间的接口,和在基于围单人赛的碳 nanotube/polyaniline (SWCNT/PANI ) 的 supercapacitors 的 stretchability 和电气化学的综合性能的 Stretchability 预先伸长的弹性体上的合成电影。由于中等的孔,弄弯的混合电影避免裂开它发生在常规可拉长的混合电极,和两个 435 F 的一个高特定的电容

Supercapacitor Materials and FabricationElectrochemical sensors and biosensorsConducting polymers and applications

Enhanced expression of recombinant elastase in Pichia pastoris through addition of N-glycosylation sites to the propeptide

Minghai HanWeixian Wang、Gongcheng JiangXinfeng、WangXin Liu 等 5 位作者2014-01-01OpenAlex

N-Glycosylation is a common form of protein post-translational modification in Pichia pas- toris and greatly affects folding and secretion. The propeptide of the Pseudomonas aeruginosa elastase (PAE) is indispensable for proper folding and secre- tion of the enzyme. We have studied the effect of introducing N-glycosyl…

Glycosylation and Glycoproteins ResearchCellular transport and secretionEnzyme Structure and Function

Analysis of isothermal forging process and mechanical properties of complex aluminum forging for aviation

胡建良、易幼平、黄始全2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

大复杂 7A85 铝翅膀身体关节被伪造采用等温的前进过程,它的机械性质被学习。在前进以后的张力的力量直到在纵的方向的 587.5 MPa, 15% 比那使用免费前进高。而且,前进的张力的力量是几乎在三个方向的一样。等温的前进也表现很好在全面破裂坚韧上,与 39.8 MPa 的最大的价值 ?

Microstructure and mechanical propertiesMetallurgy and Material FormingTitanium Alloys Microstructure and Properties

Organolead halide perovskite:A rising player in high-efficiency solar cells

Zhou Zhou、Yang、Wenhua 等 4 位作者2014-01-01催化学报

这个观点介绍对 organolead 卤化物的简短描述基于 perovskite 的太阳能电池包括结构和 perovskite 的基本性质,太阳能电池的分类,和他们是的潜力的眼界双人脚踏车的 subcells 光电的设备和大规模适用性。

Perovskite Materials and ApplicationsConducting polymers and applications

UV Photodegradation of Polypropylene Thick Bars Containing Rutile-type TiO2 Nanorods

Lin、Qi、Yan-fen 等 15 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

Surface modified rutile-type titanium dioxide(CST) nanorods were used as a UV absorber in polypropylene(PP) thick bars in combination with the hindered amine light stabilizer(HALS) Chimassorb? 944(C944). For all of the tested samples, the photodegradation was mainly limited in the region near the exposed surface, as p…

Conducting polymers and applicationsAnalytical Chemistry and SensorsInfrastructure Maintenance and Monitoring

Monte Carlo Simulation on Layered Polymeric Films

Xia、Xiang-song、Wu 等 9 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

由轮流出现的共聚物, diblock 共聚物或 homopolymer 组成的聚合物混合的薄电影用蒙特卡罗模拟被学习。多层的形态学在这部电影被观察,也就是说,混合聚合物集合进从内部安排到这部电影的表面的单个领域。在这部电影住在整个附近的领域的共存的部件不做在任何附近的领域之间的可区分的接口。由这个工具,它在聚合电影形成一个垂直作文坡度。与聚合电解质或氢结合途径等等的 layer-by-layer 免职不同,在这研究的分层的结构被聚合物掺一步形成。轮流出现的共聚物被发现是必要部件在薄电影形成垂直作文坡度(分层的结构) 。

Semiconductor materials and devicesCopper Interconnects and ReliabilityGreen IT and Sustainability

Effects of the Lithologic Character of Manufactured Sand on Properties of Concrete

王稷良、Yang、Zhifeng 等 5 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

包括石灰石,沙的六代表性的父母岩石石英岩,片麻岩,花岗石,暗岩和大理石被选择在可使用性,机制性质,体积稳定性和制造沙水泥的耐久性上在生产的沙的各种各样的岩性学的效果上进行系统的研究。试验性的结果证明制造沙水泥的力量比自然沙的水泥的稍微高。而且,分别地与六不同岩性学石头粉末的相等的数量代替具体混合的15%水泥,数据显示他们能改进水泥可使用性,推迟塑料裂开时间,提高击碎反的等级,并且没在防冻剂和硫酸盐攻击抵抗的性质上有明显的效果,但是减少能力抵抗氯化物离子穿入。而且,在生产的沙和石头粉末的各种各样的岩性学引起的水泥可使用性,机制性质,体积稳定性和耐久性的差别不是重要的,水泥的宏性质上的岩性学变化的影响能最后被忽视。

Concrete and Cement Materials ResearchMagnesium Oxide Properties and ApplicationsGrouting, Rheology, and Soil Mechanics

A Simple Method to Synthesize Multi-branched Carbon Fibers Using Cupric Chloride Aqueous Solution as Catalyst Precursor

Qiuxiang、Wang、Qian Qian 等 10 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

有多分叉的结构的碳纤维被化学蒸汽免职方法在不同反应温度作为碳来源作为催化剂先锋和乙炔用含铜的氯化物综合。碳纤维的生长模式上的水蒸汽和反应温度的效果被调查。试验性的结果证明起始的反应条件和温度是为不同的碳材料的形成的关键因素。当含铜的氯化物答案被用作催化剂先锋时,有典型多分叉的结构的碳纤维能在 450 °C 被获得。X 光检查衍射,地排放扫描电子显微镜学,和传播电子显微镜学被用来描绘碳材料,和多分叉的碳纤维的生长机制被讨论。

Supercapacitor Materials and FabricationGas Sensing Nanomaterials and SensorsAerogels and thermal insulation

Properties of La_(0.9)Sr_(0.1)MnO_3 and tourmaline compound catalytic materials for methane combustion

Xue Gan2014-01-01OpenAlex

A novel catalytic material La0.9Sr0.1MnO3 and tourmaline compound catalytic material was synthesized in the base of traditional catalytic material La0.9Sr0.1MnO3 which exhibited excellent catalytic activity for methane combustion. Different contents of tourmaline were added to give a series of La0.9Sr0.1MnO3 and tourm…

Catalytic Processes in Materials ScienceZeolite Catalysis and SynthesisMagnetic and transport properties of perovskites and related materials

Effect of Secondary Regular Microstructure on the Micro-flows in Nano-channel with Low Surface Energy

Haibao Hu2014-01-01Journal of Mechanical Engineering

摘要: 以低表面能纳米通道内液态Poiseuille流为对象,采用分子动力学模拟方法研究通道壁面上布置二级规则微结构后对微流动特性的影响规律。数值模拟中,统计系综为微正则系综,势能函数采用LJ/126模型,壁面定义为Rigid-atom壁面,温度校正使用速度定标法,而壁面低表面能属性则通过调整壁面铂原子与液态氩原子间的势能参数来实现。结果表明,布置二级矩形和三角形微结构后壁面附近流体密度法向分布会出现两个振荡阶段,即在微结构内部出现振幅相对较小的次级振荡过程,但通道中心区流动与光滑壁面通道相似;随微结构周期T的增大,二级微结构内密度法向振幅逐渐增大,而近壁面区域振幅则减弱;而二级微结构深度H的增大,则导致其内的次级振荡幅值减小,且…

Surface Modification and SuperhydrophobicityDiamond and Carbon-based Materials ResearchFluid Dynamics and Thin Films

Synergistic Effect of Nickel Species and c-Alumina Added to HZSM-5 on the Methanol to Aromatics

Hongqiang JiQiang、ZhangBin Wang、Chunyi LiHonghong Shan2014-01-01OpenAlex

Ni/HZSM-5 catalysts with c-alumina were prepared by the sol-gel method. At first, reaction perfor- mances were investigated over the HZSM-5 catalysts with and without c-alumina. Then, reaction evaluations were conducted over the Ni/HZSM (different loading amounts of nickel species were investigated) catalysts with and…

Catalytic Processes in Materials ScienceZeolite Catalysis and SynthesisCatalysis and Hydrodesulfurization Studies

Fast-scan chip-calorimeter measurement on the melting behaviors of melt-crystallized syndiotactic polystyrene

Zhaolei LiXiaoming JiangHuanhuan Gao、Dongshan ZhouWenbing Hu2014-01-01OpenAlex

We employed fast-scan chip-calorimeter (FSC) measurement (Flash DSC1) to study the melting of syn- diotactic polystyrene after melt-crystallized at various cooling rates as well as after isothermally crystallized at various high temperatures. We attributed the observed double melting peak to a melting-recrystallizatio…

Polymer crystallization and propertiesAdditive Manufacturing and 3D Printing Technologiesnanoparticles nucleation surface interactions

Correlation of Helical Propensity in Amylin Sequences with Known Aggregation Propensity

Erik Martin、Tanja Mittag、Kiersten M. Ruff 等 5 位作者2014-01-01OpenAlex

2440-Pos Board B132 The Impact of Molecular Dynamics Methods on the Accuracy of Simulations of the Disordered Protein Sic1 Erik W. Martin, Tanja Mittag. Structural Biology, St Jude Children’s Research Hospital, Memphis, TN, USA. Intrinsically disordered proteins (IDPs), proteins that lack a uniquely folded structure,…

Protein Structure and DynamicsRNA and protein synthesis mechanismsEnzyme Structure and Function

Microstructure and magnetostrictive properties of Tb doped Fe-Ga bulk alloys prepared by melt quenching

Shu-xin、Zhang、Wei 等 10 位作者2014-01-01稀有金属:英文版

The microstructure and magnetostrictive properties were investigated in the Tb doped Fe83Ga17-xTbx(x = 0.05, 0.10, 0.20, 0.30, 0.40, 0.50) bulk rods prepared by melt rapidly quenching. The partial solid solubility of Tb in the Fe–Ga matrix was preliminary detected by the lattice parameters and SEM observation. The mat…

Microstructure and Mechanical Properties of SteelsMagnetic Properties and ApplicationsMagnetic Properties of Alloys

Phase transformation behavior of Ti49Ni49.5Fe1V0.5and Ti48Ni48.5Fe1V2.5 alloys after different heat treatments

Yang-Yang、Liu、Fushun2014-01-01稀有金属:英文版

Ti49Ni49.5Fe1V0.5 和 Ti48Ni48.5Fe1V2.5 合金的阶段转变行为上的热处理的效果被调查。结果显示受到不同的热处理的合金在房间温度有 B2 结构。所有标本在冷却,而是一个 B19 B2 一个阶段上展出二阶段的 B2 R B19 martensitic 转变除了年老的 A1 合金,加热上的颠倒 martensitic 转变,它在加热之上经历反常二阶段的转变。阶段转变温度被热处理和 V 内容影响,它能在矩阵被归因于秒阶段粒子内容的变化。

Microstructure and Mechanical Properties of SteelsShape Memory Alloy TransformationsTitanium Alloys Microstructure and Properties

Effects of Mg contents on photoelectric properties and N doped behaviors in N doped MgZnO fims

Gao Li-l2014-01-01Optics and Precision Engineering

N doped MgZnO films with different Mg contents were prepared on quartz substrates using mixed gases of 99.99% pure nitrogen and argon at the same flow by radio frequency magnetron sputtering technique,respectively.The effects of Mg content on the doping behavior of N and photoelectric properties of these films were st…

ZnO doping and propertiesGa2O3 and related materialsMagnesium Oxide Properties and Applications

Hydrothermal Synthesis of CsxWO3 and the Effects of N2 Annealing on its Microstructure and Heat Shielding Properties

Shi、Jing-xiao、Liu 等 11 位作者2014-01-01Acta Scientiarum Naturalium Universitatis Sunyatseni

Cesium tungsten bronze(CsxWO3) powders were synthesized by hydrothermal reaction at 190 ℃ by using sodium tungstate and cesium carbonate as raw materials,and the effects of N2 annealing on the microstructure and near-infrared(NIR) shielding as well as heat insulation properties of CsxWO3 were investigated.The results…

Luminescence Properties of Advanced MaterialsTransition Metal Oxide NanomaterialsPigment Synthesis and Properties

MICROSTRUCTURE,MECHANICALAND CORROSION PROPERTIES OF Mg-(4-x)Nd-xGd-Sr-Zn-Zr BIOMAGNESIUM ALLOYS

Zhang Xiao-b2014-01-01Acta Metallurgica Sinica

Magnesium and its alloys have been widely studied as biomaterials for over a decade due to their good biocompatibility,good bio-mechanical properties and biodegradation in human body.However,most of them are commercial magnesium alloys,which are not taken biocompatibility into account.Even though some novel magnesium…

Magnesium Alloys: Properties and ApplicationsHydrogen Storage and Materials