Interconnected 1D Co3O4 nanowires on reduced graphene oxide for enzymeless H2O2 detection
3 O 4 个 -rGO 混血儿能为 H 用作有效电气化学的催化剂 2 O 2 氧化和高度敏感察觉。在生理的条件下面， H 的氧化电流 2 O 2 与 1.14 妈的敏感从 0.015～0.675 公里关于它的集中线性地变化?????????????? h
Materials Literature
文献浏览
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
Development of surface imprinting polymer as a selective adsorbent for adsorbing and separating dibenzothiophene from fuel oil
A novel surface molecular imprinting approach was used to synthesize a desulfurization imprinting polymer (MIP-SiO2/TiO2). Its structure and characters were investigated by using infrared spectrophotometry, X-ray diffraction, field emission scanning electron microscopy, and nitrogen sorption measurements. The structur…
Recommended Specimen Dimensions and Boundary Conditions for Measurement of Hydrogen Permeation in Thick Carbon Steel Plates
The present work discusses the influence of specimen dimen- sions and boundary conditions on the deviation towards 2D diffusion during hydrogen permeation measurements on thick carbon steel plates. It was mathematically found and experi- mentally confirmed that hydrogen losses through lateral dif- fusion could signifi…
Hydrothermal Synthesis, Crystal Structure and Luminescent Property of a New Cd(II) Coordination Polymer with Four-fold Interpenetrated dia Topology
A new Cd(ΙΙ) coordination polymer with 2-nitroterephthalic acid(H2npa) and 1,4-bis(2-methyl-imidazol-1-yl) butane(bib) has been prepared by hydrothermal synthesis and characterized by single-crystal X-ray diffraction, IR and EA. Complex [Cd(npa)(bib)]n(1) is of orthorhombic system, space group Pcca with a = 16.1750(5)…
Dual characteristic of trace rare earth elements in a commercial casting Al-Cu-X alloy
The effect of rare earth elements on microstructure and mechanical properties of casting Al–Cu–X alloy(X = Mn, Ti, V, Cd, Zr) was investigated in as-cast and T6 conditions. Microstructure evolution was characterized by optical microscopy, scanning electron microscopy, and transmission electron microscopy. REcontaining…
In situ Biomimetic Mineralization and Characterization of Carbon Nanotubes/chitosan Composite Microspheres
Carbon nanotubes / chitosan( CNTs / CS) composite microspheres were prepared by emulsification and cross-linking method. Nano-hydroxyapatite crystals were biomimetically formed on the surface of the composite microspheres. The influence of CNTs on the mineralization of the microspheres was investigated. The morphologi…
Surface Enhanced Raman Spectroscopy Sensor Based on Magnetic Beads-induced Nanoparticles Aggregation for Detection of Bacterial Deoxyribonucleic Acid
A novel method based on the separation and enrichment effect of magnetic beads and the fully complementary hybridization of two DNA strands was developed for highly sensitive detection of bacterial DNA using a surface-enhanced Raman spectroscopy( SERS) with 5,5'-dithio-bis( 2-nitrobenzoic acid)( DTNB)-modified gold na…
完全液相法Cu-Zn-Si-Al催化剂一步合成二甲醚
采用完全液相法,以廉价的硅溶胶作为硅原料,制备了一系列的Cu-Zn-Si-Al双功能浆状催化剂,考察不同硅铝比对浆态床CO加氢合成二甲醚的影响.两周的活性评价表明,硅的引入显著提高了催化剂的活性和稳定性.当n（Si）/n（Al） =2时,CO转化率最高,为58.1％,且二甲醚的选择性为80.2％.通过FTIR、XRD、TPR、TPD、BET、XPS和TEM等技术手段对催化剂进行了表征,结果表明,硅组分的添加可以促进活性组分Cu物种的分散,并能够改善完全液相法热处理而导致的积碳现象.且Si组分的引入与催化剂中的Al相互作用,显著提高了催化剂的甲醇脱水性能,从而使催化剂具有较高的二甲醚选择性.
Preparation and Characterization of Chitosan Derivative Microspheres for Protein Delivery
A novel amphiphilic narrow molecular weight distribution and low degree of polymerization laurylsuccinyl chitosan derivative( LSCOS) was synthesized in ionic liquid homogeneous system. The LSCOS microspheres were prepared according to water-in-oil emulsification cross-linking method with LSCOS as proteinloading materi…
Freestanding macroscopic metal-oxide nanotube films derived from carbon nanotube film templates
与非结晶的碳涂的排列的碳 nanotube 电影被原子层免职开发进新奇模板。独立宏观的金属氧化物 nanotube 电影然后被使用这些模板成功地综合。反应的非结晶的碳层极大地改进了原子核密度，它保证了这些电影的高质量并且允许 nanotubes 的墙厚度的精确控制。用综合模板的氧化铝 nanotube 电影，我们以高反应速度，一个传播电子显微镜学(TEM ) 格子，和催化剂支持表明一个湿度传感器。跨 stacked 汇编， ultrathin 厚度，化学不活泼，和氧化铝 nanotube 电影的高热的稳定性贡献了这些设备的优秀性能。另外，金属氧化物 nanotube 电影将由于他们的材料丰富，宏观的外观，灵活性，与半导体的技术的相…
Studies on optinmization preparation of granular activated carbon from agricultural wastes
【Objective】The technology conditions for preparation of granular activated carbon from agricultural wastes were optimized and the factors influencing the activation were investigated in order to find an efficient way to produce granular activated carbon.【Method】The effects of raw materials including corn stalk,peanut…
Microstructure, electrical and dielectric properties, and aging behavior of ZPCCA varistor ceramics with Er2O3 doping
The microstructure, electrical and dielectric properties, and DC-accelerated aging of the ZPCCA(ZnO-Pr6O11-CoO-Cr2O3-Al2O3) ceramics were investigated with various contents of Er2O3. The ceramic phases consisted of a bulk phase of ZnO grains, and a minor secondary phase of mixture of Pr6O11 and Er2O3. The increase of…
Effects of zinc on static and dynamic mechanical properties of copper-zinc alloy
The effects of adding alloy element zinc on the static and dynamic mechanical properties of copper-zinc alloy were investigated. Tensile and low cycle fatigue behaviors of the C11000 copper and H63 copper-zinc alloy were obtained by using a miniature tester that combined the functions of in situ tensile and fatigue te…
Synthesis and nonlinear optical properties of D-π-A star-shaped molecule
With phenyl as the center,a new D-π-A star-shaped molecule(Y) was designed and synthesized by introducing two electron-donors,(D) unit triphenylamine and electron-accepting(A) unit phenanthroimidazole with Suzuki coupling,and its structure has been characterized by NMR,ESI-MS and elemental analysis. The third order no…
Disclination lines of liquid crystals confined in cylinder
In this paper,we study disclination lines in nematic liquid crystals confined in three-dimensional cylinder.The study of defects and their pattern in liquid crystals has recently attracted a lot of attention.Within the Landau-de Gennes tensor model,we investigate,both numerically and analytically,the common behavior o…
Three-dimensional simulation for problem of penetrative convection near the maximum density
The problem of penetrative convection with the cubic and fifth-order equations of state proposed by Merker, Waas and Grigull is studied. Both linear instability and nonlinear stability analyses are performed to assess the suitability of linear theory to predict destabilisation of the convection. The validity of both t…
Performance enhancement of perovskite-sensitized mesoscopic solar cells using Nb-doped TiO2 compact layer
协议层(PCE =9.22%) 。设备表演改进被归因于减少的选择接触抵抗并且增加了源于做的 Nb 的费用再结合抵抗，它被阻抗光谱学大小揭示。发达策略为 perovskite 太阳能电池强调接口优化的重要性。
Capillary Rise in Corners of Rough Pores: Laboratory and Theoretical Analyses
The capillary rise in pores forming part of soils and rocks is usually obtained assuming the pores are smooth circular capillary tubes. The water rises in these tubes to a height called the height of capillary rise. This height is easily calculated using the surface tension and the unit weight of the water, the contac…
Hydration of a-pinene homogenous catalyzed by acidic polyether-modified ammonium salt ionic liquid in ''microreactor''
Water-soluble ionic liquids (ILs) with the nonionic polyether modified ammonium (Ac18n) as cation and (HSO4) - ,( H 2PO3) - , (PTSA) - , or (BF4) - as anion were synthesized and the critical solution temperature (CST) of these ILs in a-pinene were studied. The results showed that the new ILs ((Ac1820) ? (HSO4) - and (…
Influence of Light-emitting Layer Position on White Organic Light-emitting Diodes
Two types of white organic light-emitting devices( WOLED) containing a layered light-emitting region composed of a single blue-emitting host and different fluorescent dopants( blue and orange) were fabricated. The efficiency,lifetime,brightness,spectral voltage-dependence and white balance of devices were investigated…