Materials Literature
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Nano and mirco SrB6O10·5H2O∶ Eu3 +with different morphologies were prepared by precipitation method,and they were characterized by EDS,XRD,IR,SEM,their luminescence properties were also studied. The results show that the reaction time has great impacts on the crystallinity,morphology and particle size of the samples.…
Theranostic 站台，与诊断、治疗学的功能被装备，是在癌症治疗的一条有希望的途径。从学习的各种各样的 nanotheranostics，氧化铁 nanoparticles 自从 IONP 有好 biocompatibility 和空间成像能力，有优点。这评论为癌症成像和治疗集中于基于 IONP 的 nanotheranostics。为 IONP nanotheranostics 的应用的最近的进步被总结，它包括基于 IONP 的诊断，磁性的回声成像(MRI ) ，多模式的成像，化疗，过高热的治疗，光力学的治疗，和基因交货。未来观点和挑战也被构画出因为 IONP 的潜在的发展在临床的使用基于 theranostics。
In order to confirm the segregation characteristic of phosphorus in an Fe-17 Cr alloy at grain boundary,the phosphorus segregation was obtained by Auger electron spectroscopy.The results show that a maximum phosphorus segregation appeared at 450℃for all specimens aged for 30 min at 350,400,450,500,and 600℃after being…
杯[4 ] resorcinarene，由树脂分和聚乙醛的催化酸的冷凝作用准备了，被用作分子的玻璃混合物的核心。杯的氢氧根组[4 ] resorcinarene 被 tert-butoxycarbonyl (t-BOC ) 然后 esterified 部分与 2-diazo-1-naphthoquinone-4-sulfonyl 氯化物(2,1,4-DNQ-Cl ) 保护。在到 365 nm 光的照耀之上， 2,1,4-DNQ 组经历光分解作用产生除茚以外的酸性硫酸基的酸的小数量羧基的酸。产生的酸性硫酸基的酸能进一步催化 t-BOC 组的 deprotection。那么，单个部件的化学上放大的 i 线的一种新类型积极光致抗蚀剂能被…
Carbon supported Pt nanocatalysts(Pt/C) are widely used in fuel cells. In this work, three kinds of Pt/C catalysts were successfully prepared via a chemical reduction method by using carbon black pretreated with different methods, i.e., HNO3-pretreated carbon(Pt/C-HNO3), H2O2-pretreated carbon(Pt/C-H2O2) and unpretrea…
The surface of NiTi alloy was roughened by NaOH–HCl treatment, and the Ta-containing TiO2 films were coated on the pretreated NiTi alloy by the sol–gel method. Thermal analyses indicate that the evaporation temperature of the organics decreases with the addition of tantalum ethoxide in the TiO2 sol, but the crystalliz…
This paper is motivated by the recognition that the preparation of oxide graphite is vital to preparing graphene by oxidation and reduction. The paper introduces the preparation of graphene oxide with a higher oxidation degree and higher peeling degree,employing modified Hummers method and using expanded graphite prep…
Silver /silica composite core-shell nanoparticles( Ag@ SiO2) with different silica shell thickness were prepared by sol-gel technology. Their localized surface plasmon resonance( LSPR) properties and refractive index sensitivities( RIS) were studied. With increasing of silica shell thickness,LSPR peak first got a red-…
Phytoplankton is one of the major primary producers and plays important roles in the aquatic ecosystems. The temporal and spatial variations of the algae could reflect the environmental dynamics. In light of the morphological,physiological and ecological characteristics of algae,phytoplankton functional groups theory…
Lists the commonly used magnesium alloy brand and its corresponding ingredients,starting from its properties,introduces the application feature of different alloys. Towards the insufficient performance of magnesium alloy commonly used at present,mainly based on surface technology strengthening and rare-earth adding st…
Influence of rare earth Ce adding on corrosion behavior of X80 pipeline steel in a solution simulated the soil medium at Korla area was studied by means of weight loss, SEM, XRD, polarization curves and EIS. The results show that, Ce can enhance the corrosion resistance of X80 pipeline steel, while the inner portion o…
polypropylene-g-polystyrene (PP-g-PS ) 并且 polypropylene-gpoly 的结晶化动力学(n 丁基 acrylate )(PP-g-PnBA ) 上的分支的效果有明确的分子的结构的接枝共聚物被 DSC 系统地调查。Avrami 方程被用来分析等温的结晶化过程，当 nonisothermal 结晶化过程的分析基于修改 Jeziorny 的 Avrami 模型和瞬间模型时。动力学结果等温并且 nonisothermal 结晶化在 PP-g-PS 和 PP-g-PnBA 接枝共聚物在 PP 脊梁的结晶化过程上验证了分支的古怪效果：一方面，在分支之间的相互作用(- 在 PS 之间的相互作用…
The compound Sm0.98Fe9.02–xGaxNδ(x=0, 0.25, 0.5, 0.75, 1) were prepared by melt-spun method and subsequent annealing and nitriding. The Rietveld analysis showed that the lattice expansion played an important role in improving the Curie temperature. An obvious development of the Curie temperature was obtained with the…
The purpose of this work was to investigate the effect of La2 O3 on the granular bainite microstructure and wear resistance of hardfacing layer metal. The hardfacing layer metals with different contents of La2 O3 were prepared. The microstructures of the hardfacing layer metals were observed by field emission scanning…
非结晶的金属与关于原子安排的水晶的金属完全不同。非结晶的金属没有水晶的材料包含的谷物边界和弱点，使他们更抵抗穿并且腐蚀。在这研究，非结晶的很少合金电影被一个 electroplating 方法首先准备并且然后被修正与水驱虫剂(heptadecafluoro-1,1,2,2-tetradecyl ) 使恐水病 trimethoxysilane。层次 micro-nano 结构能被稍微氧化获得同样扔的合金，由阶段转变伴随了从对非结晶在热处理期间水晶。micro-nano 结构能套住空气形成在水和这部电影之间的空气的一个极其薄的垫子，它对在这部电影生产 hydrophobicity 批评。一般水准为 600 的特定的表面区域电容，粗糙因…
Nanoparticle-biomolecules self-assembly is the key to the understanding of biomolecular coating of nanoparticle. However, the self-assembly of bio- molecules with nanoparticles is still under-exploited because of the lack of an efficient method to detect the subtle changes in the surface of nanoparticles. In this stud…
11.5x La x (Zr 0.53 Ti 0.47 ) 1yz Fe y Nb z O 3 ( x = 0 0.004 0.008 0.012 和 0.016 ， y = z = 0.01 )( PZTFN )陶艺被一半湿的线路综合。在现在的学习，做的 La 的效果被调查在上结构，微结构，绝缘，压电，并且陶艺的铁电体性质。结果显示出那，四角形(空间组 P4mm ) 并且菱形(空间组 R3c ) 阶段被观察在 x = 在样品共存 0.012。所有样品的微结构调查表明做的 La 禁止谷物生长。La 做进 PZTFN 改进陶艺的电介质，铁电体，和压电的性质。所有标本的磁滞现象环展出非线性的行为。电介质，压电并且铁电体性质在 x 0.…
在房间温度的做 Cu 的 ZnO nanosheets 的合成在我们的以前的纸被报导。退火的效果做 Cu 的 ZnO nanosheets 上的温度在这份报纸被学习。做 Cu 的 ZnO nanosheets 在空中在 200 –500°C 被退火。退火的标本被扫描电子显微镜学(SEM ) 描绘， X 光检查衍射(XRD ) 和传播电子显微镜学(TEM ) 。结果在与增加退火的温度减少的做 Cu 的 ZnO nanosheets 显示出那 Cu 集中。当退火时，温度比融化点(410 °C ) 的 Zn 低，做 Cu 的 ZnO nanosheets 的形态学在退火前与那一样将近留下了。当退火的温度在 Zn 上融化点时，做 Cu 的…
Gradient copolymers are a relatively new kind of polymer,which exhibit various properties similar to block copolymers. Due to the economical large scale synthesis allowed by one-pot preparation,gradient copolymers attract significant attentions. This review summaries the definition and structure of gradient copolymers…
The influence of helium-related defects on hydrogen retention in magnetron sputtered nano-polycrystalline tungsten films,which had been sequentially irradiated by high energy helium and hydrogen ions,was investigated by means of X-ray diffraction(XRD),scanning electron microscope(SEM),elastic recoil detection(ERD) and…