Materials Literature
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Thermogravimetric techniques, mass spectrometry and elemental analysis studied the effect of addition of the catalyst and heating operation on thermal transformations of coal tar pitch. It is shown that the expanded graphite and iron salts accelerate the processes of condensation and aromatics pitch and increase the e…
In the present study,morphology,size distribution,structure,biocompatibility and magnetic properties of potassium ferrite nanoparticles（KFeO2 NPs）,synthesized by conventional sol—gel method have been reported.The formation of spherical nanoparticles with orthorhombic structure has been confirmed by scanning electron m…
cationic folic 酸(CFA ) 被与 EDCI/NHS 介绍 triethylenetetramine 进 folic 酸准备并且由红外， NMR 和集体系列描绘了。在 folic 酸分子的二 carboxyls 中的约一个被代替形成 CFA，这被发现。-carboxyl 的变换被发现是 59% 比 30%-carboxyl 高。CFA 和 doxorubicin hydrochloride 能在包含 PTX 的 micelle 的离子的壳上被装载形成 CFA 经由在水的解决方案的静态的相互作用的装载的二进制药搬运人。成功的装载被希腊语的第六个字母潜力测量表明， CFA 的药负担数量(DLA ) 被 HPLC 测量。…
与优秀 biomechanical 相容性开发新钛合金是一个重要研究方向外科植入材料。现在的纸总结生物医学的钛合金的国际研究和开发。瞄准增加 biomechanical 相容性，它也介绍合金设计的探索和改进，机械处理，微观结构和阶段转变，并且以后最后为关于生物医学的钛合金的科学研究构画出方向。
Composites 通过韧化技术的 ex-situ 与 polysulfone 被准备。氰酸盐 / 环氧基树脂树脂的动态参数被微分扫描学习 calorimetric (DSC ) 分析和动态机械分析(直接存储器存取) 。韧化机制的 Microstructual 通过扫描电子显微镜学(SEM ) 被学习。在通过韧化技术的 ex-situ 韧化的 composites 的 interlaminar 区域的粒子微观结构表明反应导致了阶段分解，阶段倒置发生在 interlaminar 区域。thermosetting 粒子被 PS 阶段包围，它能显著地改进 composites 的分层抵抗。在影响(蔡) 以后的压缩能被使用韧化的 ex-…
100 nm HfOx/γ-Fe2O3/50 nm HfOx sandwich structures have been fabricated on Pt/Ti/SiO2/Si(100) substrates by radio frequency magnetron sputtering combined with spin-coating methods. Scanning electron microscopy, X-ray diffraction and X-ray photoelectron spectra investigations reveal that the oxygen-deficient HfOx buffe…
Nickel oxide(NiO)microsphere with a large surface area was novelly synthesized through nickel bicarbonate(Ni(HCO3)2)precursor.The obtained nickel oxide(NiO)microsphere was characterized by X-ray pattern diffraction,scanning electron microscopy,CO2 temperature-programmed desorption,H2 temperature-programmed reduction,N…
一个新奇 Ag 氧化铝混合提高表面的拉曼光谱学(重量的单位) 平台处于稳定的状态为表面反应的分光镜的察觉被设计了。水晶的单身者和 faceted 银(Ag ) 有强壮的轻散布的 nanoparticles 在大数量被准备，它启用他们的可再现进由 Langmuir-Blodgett 技术的拉曼传感器数组的大规模单层自己组装。近包装的传感器电影包含在 Ag nanoparticles 的锋利的边之间的 sub-nm 差距的高密度，它创造了为重量的单位改进用作热点的大本地电磁的地。重量的单位底层当时与由原子层免职的氧化铝的薄层是涂的阻止在 Ag 和反应系统之间的费用转移。在与磅合作催化剂 nanoparticles 装饰的锐钛矿 TiO…
TiO2 nanotube prepared via the hydrothermal method was modified with KH-570 and then the modified TiO2 nanotube was used as an emulsifier to fabricate PS/TiO2 nanotube composite microspheres via Pickering emulsion polymerization.The TiO2 nanotubes and composite microspheres were characterized by IR,optical microscope,…
在紫外区域以外的圆形的二色性(CD ) 的产生具有对开发 chiral 传感器和 chiroptical 设备的大兴趣。此处，我们在可见、近的红外与强壮的 CD 反应为 plasmonic oligomers 的制造表明一个简单、万用的方法光谱范围。oligomers 被被触发制作一起修改半胱氨酸的金 nanorods 的汇编。修改 nanorods 自己没展出明显的 plasmonic CD 信号；然而， oligomers 表演在电浆子回声波长附近的强壮的 CD 乐队。CD 乐队的符号被吸收半胱氨酸分子的 chirality 支配。由调整 oligomers， chiral 分子的集中，或 nanorods 的方面比率的尺寸，…
x)BiFeO3-0.275BaTiO3-xBi(Mg0.5 Zr0.5)O3 ? 1 mol% MnO2 lead-free ceramics (x = 0-0.08) were synthesized by a conventional solid state reaction method and the effects of Bi(Mg0.5Zr0.5)O3 on phase transition, piezoelectric and ferroelectric proper- ties of the ceramics were investigated. After the addition of Bi(Mg0.5Zr0…
CuO nanoparticles 被使用用三重氢核 X-100/n-hextnol/ 环己烷 / 水 W/O 微乳液系统做的 microreactors 综合。基本合成参数是坚定的。thermo gravimetric/differential 的结果先锋产品的热分析(TG/DTA ) 显示合适的锻烧温度是大约 500 獴？？
For theoretically investigating the fluid flow under the influence of various direct-current(DC) magnetic fields in the mold of a single-belt horizontal continuous caster, a three-dimensional(3D) numerical model for describing electromagnetic-solidification phenomena based on finite volume method(FVM) is presented. Th…
Tm3+ /Yb3+ co-doped Y2(MoO4)3phosphors with various Tm3+concentrations were prepared via a traditional high temperature solid state reaction method using NH4HF2 as a flux.The microstructure analysis by means of X-ray diffraction revealed that the as-synthesized samples presented a pure phase Y2(MoO4)3.Under 980 nm exc…
Nowadays,the events of bacterial infection,food poisoning and biological corrosion damage are increasingly arising.It is urgent to develop new antibacterial material to fight against the drug-resistant bacteria.In this work,Ag-bearing antibacterial duplex stainless steels were prepared by adding Ag or Cu-Ag alloy part…
Me3SiOSiMeROSiMe3( R = CH2( CH2)7CHOCH2)( AETS) has been synthesized through a hydrosilation of 1,2-eposy-9-decene( ED) with 1,1,1,3,5,5,5-heptamethyltrisiloxane( MDHM) in the presence of hexachloroplatinic( Ⅳ) acid as the catalyst. Then a novel cationic trisiloxane surfactant with the formula Me3SiOSiMeR2OSiMe3( R2=…
Up-conversion luminescence powders were synthesized by high-energy ball-milling( HEB) method and the conventional solid-state reaction( SSR) method. All the phosphors were sintered at 1 100 ℃ for 2 h. X-ray powder diffraction( XRD) shows that the HEB samples have higher phase purity and crystallinity compared with the…
Silver nanoparticles(AgNPs) are widely used in the fields of biology and medicine because of their excellent optical, electrical and antimicrobial properties. AgNPs can induce cytotoxicity in various cells and organisms, which might be helpful to combat diseases. However, the biohazardous nature of AgNPs is a serious…
Scaffolds play a crucial role in tissue engineering. Biodegradable polymers with great processing flexibility are the predominant scaffolding materials. Synthetic biodegradable polymers with well-defined structure and without immunological concerns associated with naturally derived polymers are widely used in tissue e…
Understanding the oxidative reactivity of nanoparticles (NPs; \100 nm) could substantially contribute to explaining their toxicity. We attempted to refine the use of 2 0 7-dichlorodihydrofluorescein (DCFH) to characterize NP generation of reactive oxygen species (ROS). Several fluorescent probes have been applied to t…