Materials Literature
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In what isbeing called the first Oil and Gas "Sustainable Commissioning" project, advanced composite abrasives (ACAs) is beingused to help conserve precious resources. A recent field study and projectconducted by Odebrechtcommissioning manager, Bernardino Nilton do Nascimento revealed key points thathave already saved…
본 연구에서는 용해도가 낮은 용매에 dipping하는 방법을 이용하여 고분자 반도체 박막의 분자규칙도를 쉽게 향상시켰다. Poly(3-hexylthiophene)(P3HT)의 구조적, 광학적, 전기적 특성은 dipping 용매의 용해도와 dipping 시간에 따라 크게 영향을 받았다. 특히 methylene chloride 용매에 P3HT 박막을 dipping한 뒤 dipping 시간을 조절하여 고분자 박막의 분자규칙도를 효과적으로 증가시켰다. 분자규칙도와 전기적 특성의 관계를 고려하여 적절한 용매선택과 dipping 시간을 최적화할 수 있었다. In this wo…
The boron-nitrogen-containing phenol-formaldehyde resin (BNPFR)/ $SiO_2$ nanocomposites (BNPFR/ $SiO_2$ ) were synthesized in-situ, and structure of BNPFR/ $SiO_2$ nanocomposites was characterized by FTIR, XRD and TEM. The loss modulus peak temperature $T_p$ of BNPFR/ $SiO_2$ nanocomposites cured with different nano-…
In the course of upgrading the unit no. 5 reactor core of the Novovoronezh nuclear power plant, operational limits by local parameters, which limit the admissible linear power density and the relative power of fuel elements, were established. Due to applying modern computer technologies in systems of the in-core monit…
In this study, we report the nanostructure, crystallization, mechanical properties, and temperature-dependent ion conductivities of fullerene-based polymer-matrix nanocomposite electrolyte.
Review of EPUB 3: Best Practices
Semiconductor nanowires have an excellent ability to trap, guide, scatter or absorb light thanks to the presence of specific resonant optical modes. The electromagnetic field-enhancement associated to such effects can be used to modify the luminescence of emitters positioned in the vicinity of the nanowire, as to plas…
We present our efforts towards investigating the effects of copper doping on the electronic structure of CdSe QDs. Both x-ray absorption near edge structure spectroscopy (XANES) and theoretical modeling are used to examine effects of hybridization on the conduction band minimum (CBM) in doped CdSe quantum dots (QDs).…
Nondestructive evaluation (NDE) method by using a resonance frequency mode was carried out for ceramics made from particle boards with different phenol resin impregnation ratios (30, 40, 50, 60%) at carbonizing temperature of $800^{\circ}C$ . The material for ceramics was Miscanthus sinensis var. purpurascens board. D…
Study of novel off-on responsive fluorescent probe using supramolecular
An interesting case of extensive dezincification of wickless, pressure type oil stove which could be directly traced to the use of defective filling material in packaging was investigated.
利用微层共挤出技术制备得到不同层数(2、4、16和64层)的聚丙烯(PP)/阻燃剂(IFR)填充PP(PPFR)交替层状复合材料,研究了层数改变对复合材料阻燃和力学性能的影响.偏光显微镜观察发现,PP层与PPFR层沿层状样品的厚度方向交替排布,层界面则随着层数的增加而增多.非等温结晶测试结果显示,界面的增多使更多的IFR可以分布在层界面附近,使整个层状复合体系表现出越来越接近传统IFR填充体系的异相成核结晶行为,表明IFR的分布可以通过层数的调节进行调控.垂直燃烧、极限氧指数(LOI)以及微型量热测试结果表明,层数提高可以有效提高复合体系自熄能力,显著降低热释放速率.与2层试样相比,64层试样的LOI从19.5提高到了25.而拉伸…
Abstract We present the experimental fact that, in a (110)‐oriented ZnTe single crystal, polariscopy is highly sensitive to the internal strain, comparing with Raman scattering spectroscopy. We utilized X‐ray topography and X‐ray diffraction analysis to thoroughly investigate the crystal structure that is intimately a…
Abstract Two complexes with formulas [Ni(bpndc)(bpe)]n·4nH2O (1) and [Co(bpndc) (bpy)1.5]n·0.25n(bpy)·0.25nH2O (2) (H2bpndc = benzophenone‐4,4′‐dicarboxylic acid, bpe = 4,4′‐bipyridinediethene, bpy = 4,4′‐bipyridine) were synthesized and characterized. In complex 1, each bpndc ligands adopt bis(monodentate) modes, and…
In order to get insight into the connection between the vibrational dynamics and the atomic level Green-Kubo stress correlation function in liquids we consider this connection in a model crystal instead. Of course, vibrational dynamics in liquids and crystals are quite different and it is not expected that the results…
Graphene oxide (GO) is a single layer carbon sheet with a thickness of less than 1 nm. GO has good dispersibility due to surface modifications with many functional groups. Reduced graphene oxide(RGO) is produced by the reduction of GO. We examined the bioactivity of GO and RGO films, and collagen scaffold coated with…
This paper investigates the effect of the complementary, split ring resonator (CSRR) structure on a bow-tie patch antenna. This CSRR structure potentially reduces the size of the patch antenna by shifted to the lower frequency. This proposed antenna has been designed for wireless LAN communication at 2.4 GHz. Firstly,…
The effect of the neglect of the kinetic energy term in isothermal model internal ballistics has been discussed. The adjustments to be made in the parameters have been worked out. It has been shown that either M is to be increased by about 18.7%for tubular charges and by about 17.7%for cord charges or theta is to be d…
Chapter 1 General Introduction 1-1.Introduction 1-2.Thermo-Sensitive Polymer 1-3.Classification of Thermo-Sensitive Polymer and Physicochemical Basis of Phase Behavior 1-3-1.Thermo-Sensitive Behavior in Aqueous Systems 1-3-2.Thermo-Sensitive Behavior in Non-Aqueous Systems 1-4.Purpose for the Thesis 1-5.Control of LCS…
times) Heat treatmentNi: 2.82 LaNi 5 : 4