Materials Literature
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Various experimental methods (XRD, FTIR, SAXS, DLS and SEM) were used to investigate structures of the silk samples weaved by spiders in Turkey. Silk samples were collected from the natural habitats belonging to the spider species (i.e., Near Salt Lake/şereflikoçhisar, İvriz Dam/Ereǧli-Konya, Karataş Lake/Burdur and s…
Commercial purity aluminum (A1070) was subjected to fine particle bombardment (FPB) with 1.0 mass% carbon steel and pure nickel projectile particles. Nanocomposite structures formed at the near-surface region, which contained refined aluminum grains of less than 100 nm in diameter and dispersed projectile fragments se…
50 years ago, research on traditional carbon fiber was started for rayon-based carbon fiber in the USA. Dr. A. Shindo invented a method for producing high performance carbon fiber by oxidizing PAN fiber in 1960. In 1963 Prof. S. Otani invented high performance pitch-based carbon fiber by aligning the mesophase molecul…
We studied the vacancy-induced ferromagnetism in bulk and at the (1010) surface of wurtzite ZnO using density functional theory calculations. It is found out that surface vacancies are energetically favored to bulk vacancies and that the ferromagnetism is induced by Zn vacancies but not by O vacancies. Moreover, local…
An investigation of natural London Clay is reported involving advanced triaxial, hollow cylinder apparatus (HCA) and dynamic testing techniques. Significant anisotropy was revealed at all scales of deformation, and the framework of cross-anisotropic elasticity was found to apply broadly to the initial elastic behaviou…
Liquid-crystal (LC)-coated substrates with a planar LC alignment can be fabricated by UV irradiation during LC coating using a slit coater. The alignment transition from a planar alignment to a vertical alignment was caused by UV irradiation after LC coating when a certain UV-curable additive was doped with the nemati…
Thin films of indium oxide were grown heteroepitaxially by dc magnetron sputtering onto (110) faces of crystalline yttriastabillized zirconia. Resistance versus temperature of the films was measured in situ in a wide temperature range during film heating and cooling under various oxygen pressure conditions. Insulator-…
A comparative study of NH3-sensing properties of blank and modified nanocrystalline SnO2 was performed. Tin dioxide modified by ruthenium displayed outstanding ammonia sensitivity with a maximum signal at 200 0C. The modifier was shown by XPS to possess mixed valence states of oxidized ruthenium. The RuOx-modified mat…
Electronic devices, especially those having high performance capabilities, are sensitive to mechanical shocks and vibrations. Failure of such devices in smart projectiles caused by vibrations has been observed. The currently accepted methodology to protect electronic devices in smart projectiles is use of stiffeners a…
The aim of this paper is to investigate the nonspecific labeling of cyanobacteria in biological samples with quantum dots (QDs). We focused on some interesting features of interaction between CdSe/ZnS QDs and filamentous and unicellular cyanobacteria from marine and sulfurous mesothermal springs. The fluorescence micr…
We investigated the photovoltaic properties of organic multilayered photovoltaic devices consisting of Indium–tin-oxide (ITO)/oxide/tetraphenyl porphyrin (H 2 TPP, ZnTPP)/fullerene (C 60 )/bathocuproine (BCP)/Al structures. The open-circuit voltage V OC increases with the thickness of porphyrin layers between 10 and 3…
Surface modification of polyimide films by oxygen/argon atmospheric pressure plasma (APP) was studied for copper metallization under several conditions, including plasma treatment time, gas ratio, and power of radio frequency (RF; 13.56 MHz) plasma. The effects of APP treatments on the surface properties of polyimide…
Tantalum pentoxide ceramic coatings are presented as perspective biomaterials for various biomedical applications. \nThe surface properties and structure of as-deposited, annealed at 450°C and 700°C e-beam evaporated Ta2O5 films on \nTi alloy substrates (Ti4Al6V) were investigated. The results demonstrated the good cy…
Investigations of the influence of knitted fabric structure on garment flammability, i.e. the number of yarns in a loop and comparison of the results with those of a multilayer packet are presented in this paper. The investigations were carried out using knits from Nomex Delta TA 18 tex × 2 yarns. Single yarn as well…
Several polymer solar cells consisting of ITO/PEDOT:PSS/P3HT:PCBM/Al (indium tin oxide/ poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/poly(3-hexylthiophene):[6,6]-phenyl C61-butyric acid methyl ester/aluminum cathode) were fabricated by spin coating. The influence of annealing temperature on the performance…
Low density polyethylene (LDPE) film samples with different morphology were prepared by three kinds of annealing methods which were different in cooling rates in this study. A pulsed electro-acoustic (PEA) space charge measurement system was improved to solve the surface discharge problems for small samples applied wi…
在厚度的 6 公里的结合水泥的 particleboards 用玉米梗(Zea mays ) 被生产在董事会的三个层次的一致尺寸的粒子密度和添加剂集中分别地。弯曲力量和维的性质被估计。密度和添加剂集中在破裂(粗腐殖质) 的模量引起了增加的董事会的增加，弹性(MOE ) 的模量，和在胀大的厚度(TS ) 和水吸收(WA ) 的减少。板的粗腐殖质， MOE 和 TS 被板密度显著地除了 WA 影响，但是添加剂集中影响了在 p 检验的所有板性质 0.05。强壮、维的稳定的结合水泥的板能在热水处理以后作为文件夹与波特兰水泥从玉米梗粒子被生产。尽管维的稳定性和板的机械力量性质被板密度和添加剂集中影响，学习表明结合水泥的 particlebo…
磅的一致的簇在 capping-agent-free CeO2 nanooctahedra 和 nanorods 使用电子横梁(电子横梁) 的表面上被扔了蒸发。磅 nanocluster 层的范围能被调整电子横梁蒸发时间控制。产生电子横梁在 CeO2 表面上蒸发了磅 nanocluster 层有在磅和 CeO2 之间的干净表面和干净接口。CeO2 nanocrystals 的二种类型上的磅的不同生长行为被观察，与 CeO2 nanooctahedra 上的磅的取向附生的生长和 CeO2 nanorods 上的磅的随机的生长。CeO2 nanocrystals 的二种不同类型上的磅簇的结构被为模型反应把他们用作催化剂学习了并且比较。…
Summary Orodispersible tablets are the fast growing and highly accepted drug delivery system in now a day mainly to improve patient compliance. Orodispersible tablets have number of advantages over conventional dosage forms, because of that Orodispersible tablets have emerged as an alternative to conventional dosage f…
The commonly used equivalent circuits for electrochemical impedance spectroscopy (EIS) testing in reinforcing steel corrosion in concrete have been reviewed,and the advantages and disadvantages of different equivalent circuits were discussed.Appropriate equivalent circuits were selected and analysed for EIS fitting ac…