Effects of pre-strain and baking parameters on the microstructure and bake-hardening behavior of dual-phase steel
在一个典型过程， C-Mn 钢在 800 档昭慬杮慥楢楬祴搠敵琠? 被退火 ? 汣獯牥瀠慬瑳捩椠据浯慰楴楢楬祴漠 ? 桴 ? 敦牲瑩 ? 湡 ? 慭瑲湥楳整瀠慨敳 ? 眠楨档挠湡攠晦 ' 虡 N 敶祬搠汥祡琠敨瀠潲畤瑣潩 ? 湡 ? 敤潣敨楳湯漠 ? 業牣癯楯獤
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Deformation study of bicrystalline and nano-polycrystalline structures using phase field crystal method
Deformation behaviors of bicrystalline and nano-polycrystalline structures of various tilt angles and inclination angles in two dimensions are investigated in detail using a two-mode phase field crystal model. The interaction between grain boundary(GB) and dislocation is also examined in bicrystals and nano-polycrysta…
Mechanical and reliability analyses of reinforced concrete structures subjected to corrosive effects caused by chloride ions penetration
Structural durability is an important design criterion, which must be assessed for every type of structure. In this regard, especial attention must be addressed to the durability of reinforced concrete (RC) structures. When RC structures are located in aggressive environments, its durability is strongly reduced by phy…
Double Emulsion Droplets as Microreactors for Synthesis of Magnetic Macroporous Polymer Beads
。MMPB 被扫描电子显微镜学(SEM ) 描绘， Fourier 变换红外线的光谱学(FTIR ) ， X 光检查衍射(XRD ) ，传播电子显微镜学(TEM ) ，颤动的样品 magnetometry (VSM ) 。我们相信这个方法是在准备 macroporous nanocomposite 祷告的一种通用技术。
Preparation and Characterization of Multi-shell Hollow Biphase Bioceramic Microsphere Composites
A series of hollow bioceramic microspheres with two or three shell layers were fabricated via alginate microsphere template and layer-by-layer coating techniques. The Na2SiO3–alginate mixture hydrosol beads were firstly injected into the Ca(NO3)2 aqueous solution under mild stirring to form calcium silicate hydrate-co…
Effect of ethanol on the isomerization of n-heptane over Pt/SAPO-11 and Pt/ZSM-22 catalysts
The hydroisomerization of n-heptane over the Pt/SAPO-11 and Pt/ZSM-22 catalysts prepared by the impregnation methods was systematically investigated in the presence of ethanol. The physicochemical properties,adsorption and reaction behaviors,and active acid sites were studied by Xray diffraction,N2-adsorption,C2H5OH-T…
Voltage-controlled Kerr response in Ni/Pb（Zr0.52Ti0.48）O3 heterostructures
0.52 Ti 0.48 )O有不同极化前的 3 ( PZT ) heterostructures PZT 层说调查克尔的复杂性发信号。结果建议克尔信号的电压控制包含了几起源；然而，导致紧张我在 heterostructures 在 ME 效果统治的效果。
Preparation of high-purity tellurium powder by hydrometallurgical method
2 O 为 2.0 的 2 氧化?在 pH 的 h 2.5 当增加 50 时? ml H 2 O 2 ( 30 ?%)每 100 ? g 原料，碲在 91 附近恢复率?%被完成。沥滤的碲比率能到达 98.9 ? 不到 3.75 的 %? 摩尔基于它 Coomassie 灿烂的蓝 R 250 的氧化上的催化效果(CBB 由在 pH 的使与臬化合的 +) 2.0。反应被与 5 的一个改正时间方法测量吸收度变化 spectrophotometrically 监视 ? 在 594 和 552 点的 min ? 有或没有表面活化剂的 nm。影响刻度敏感的变量广泛地被调查，并且最佳的条件被建立。线性刻度范围是 101,600 ? gg 温暖(…
Hydrophilicity Degradability and Cell Toxicity of Ti-P Polylactide Paterial Synthesized by Titanium(IV) Complex as Catalyst
Ti-P polylactide was synthesized by ring-opening polymerization(ROP) of D,L-lactide with bis-(alkoxy-imine-phenoxy) titanium(IV) complex as catalyst.The physico-chemical properties of the Ti-P material were investigated by measurements of contact angle,water absorption rate and degradability,while its biocompatibility…
Preparation and Photocatalytic Properties of Hollow Spheres-like Zn-doped CuO/CuAl_2O_4 Composite Photocatalysts
Zn-doped CuO/CuAl2O4 composite hollow spheres with high specific surface area were synthesized by hydrothermal method, using glucose as template and Zn(NO3)2·6H2O, Cu(NO3)2·3H2O, Al(NO3)3·9H2O as raw materials. The samples were characterized by XRD, SEM, HRTEM, BET, DRS and PL spectra. The results showed that Zndoped…
Thermal conductivity of PECVD silicon-rich silicon nitride films measured with a SiO2/SixNy bimaterial microbridge test structure
In order to balance the compressive stress of a silicon dioxide film and compose a steady MEMS structure,asilicon-rich silicon nitride film with tensil estressis deposited by plasma enhanced chemical vapor deposition process. Accurately measuring the thermal conductivity of the film is highly desirable in order to des…
Miscibility between PS and PSAN Affected by Solvent and Temperature of the System
聚苯乙烯(PS ) 并且 poly 的可混和性(styrene-co-acrylonitrile )(PSAN ) 上的溶剂的影响相配 viscometrically 被调查了。不同 PS/PSAN 混合(30/70， 50/50 和 70/30 ) 的可混和性在在 20， 30，和 40 点的丙酮和苯的作文？？
Structure and Properties of Functionalized Polyfluorenone Containing Hetero Aromatic Side Chains
有多样的结构的代替的 fluorenones 的光性质用分子的轨道的计算被分析了以便理解结构性质关系。基于理论预言，一些模型混合物的合成被尝试了。试验性地获得的光性质在对理论上获得的结果的靠近的同意。
Experimental measurements and theoretical calculations of the atomic structure of materials with subangstrom resolution and picometer precision
Lattice defects are unavoidable structural units in materials and play an important role in determining material properties.Compared with the periodic structure of crystals,the atomic configurations of the lattice defects are determined by the coordinates of a large number of atoms,making it difficult to experimentall…
Fabrication of high aspect ratio gratings for X-ray imaging
基于栅栏的 X 光检查成像系统是一个重要工具调查厚样品的内部结构。系统的关键部件由三个金色的栅栏组成。高方面比率栅栏用 SU-8 材料被制作。就拓宽的线宽与暴露剂量改变的栅栏而言，在拓宽的线宽和暴露剂量之间的关系试验性地被学习。有不同时期和不同责任周期的一系列栅栏被优化线宽和暴露剂量设计。最后，栅栏被联合紫外平版印刷术和 electroplating 成功地制作。
Elevated expression of CRYAB predicts unfavorable prognosis in non-small cell lung cancer
Alpha B-crystallin (CRYAB) is one of the principal members of the small heat-shock protein family, and several studies described the CRYAB expression in human cancers. However, the association between CRYAB expression and the clinical features of non-small cell lung cancer (NSCLC) is rarely elucidated. In this present…
WATER AND WASTEWATER DISINFECTION BY ULTRASOUND IRRADIATION- A CRITICAL REVIEW
It is well known that chlorine and its compounds, traditionally utilized for water and wastewater disinfection, react with some organic matter to form undesirable by-products, hazardous to human health, known as Disinfection By-Products (DBPs). In many countries very stringent limits for chlorination by-products such…
静电纺丝制备聚（3-羟基丁酸酯-co-3-羟基戊酸酯）纳米纤维的研究进展
聚（3-羟基丁酸酯-co-3-羟基戊酸酯）（PHBV）是一种微生物合成的聚酯,具有良好的生物相容性和可生物降解性.静电纺丝技术促进了高比表面积、多尺度、多维度纳米纤维的发展,实现了对PHBV纤维的形貌、孔径及孔隙率、力学性能的调控.结合国内外PHBV静电纺丝的研究进展,主要综述了近年来对PHBV静电纺纤维成形设备设计、形貌控制、力学性能调控等方面的研究工作,并介绍了其在组织工程、药物缓释等生物医疗领域、环境保护领域的应用进展.最后,展望了PHBV静电纺纤维的发展.
Interface Remelting of Tungsten Carbide Particles Reinforced Steel Composite
A tungsten carbide particles reinforced steel matrix composite was fabricated by spark plasma sintering(SPS) technique, and then the composite was remelted in a vacuum tube furnace. The effect of remelting temperature on interface reaction was investigated meticulously. The results show that the interface reaction cou…
Closed-form solutions for bonded elasticallycompressible layers
Compression of elastic layers between parallel plates often fi nds applications in the mechanical characterization of soft materials or the transfer-printing of nanomembranes with rubber stamps. In addition, annular rubbery gaskets and sealers are often under uniaxial compression during service. Analysis of elastic la…