Materials Literature
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Metal loss due to corrosion is a serious threat to the integrity of pressurised oil and gas transmission pipes. Pipe metal loss defects are found in either single form or in groups (clusters). One of the critical situations arises when two or more defects are spaced close enough to act as a single lengthier defect wit…
The D0 Collaboration has recently seen a resonant-like peak in the Bsπ invariant mass spectrum, claimed to be a new state called X(5568). Using a Bsπ–BK¯ coupled channel analysis, implementing unitarity, and with the interaction derived from Heavy Meson Chiral Perturbation Theory, we are able to reproduce the reported…
Highly efficient nearly monodisperse Pt NPs catalyze C1 to C3 alcohol oxidation with very high electrochemical activities and provides one of the highest catalytic activities (TOF = 21.50 h(-1)) in the dehydrogenation of DMAB at room temperature. The exceptional stability towards agglomeration, leaching and CO poisoni…
Herein, monodisperse platinum (0) nanocatalyst assembled on reduced graphene oxide (Pt(0)@RGO) was easily and reproducibly prepared by the double solvent reduction method at room temperature. Pt(0)@RGO was characterized by X-ray diffraction (XRD), X-ray photoelectron microscopy (XPS) and transmission electron microsco…
A UV curable unsaturated monomer (IG) was synthesized from itaconic acid and glycidyl methacrylate (GMA). After its chemical structure was confirmed by Fourier Transform Infrared Spectroscopy (FT-IR) and Nuclear Magnetic Resonance (1H NMR and 13C NMR), IG was used as a crosslink agent to copolymerize with acrylated ep…
The removal of triclocarban (TCC) in aqueous solution by dielectric barrier discharge (DBD) plasma combined with TiO 2 coated activated carbon fibers (TiO 2 /ACFs) catalysts was investigated at atmospheric pressure and room temperature. The effects of output power, initial concentration, radius of TiO 2 /ACFs catalyst…
We demonstrated the effect of active layer (channel) thickness and annealing temperature on the electrical performances of Ga2O3-In2O3-ZnO (GIZO) thin film transistor (TFT) having nanoscale channel width (W/L: 500 nm/100 μm). We found that the electron carrier concentration of the channel was decreased significantly w…
High pollutant-loading capacities (up to 319 times its own weight) are achieved by three-dimensional (3D) macroporous, slightly reduced graphene oxide (srGO) sorbents, which are prepared through ice-templating and consecutive thermal reduction. The reduction of the srGO is readily controlled by heating time under a mi…
We report chemical vapor deposition and cryogenic photoluminescence studies of narrow-diameter single-wall carbon nanotubes. Our systematic study of synthesis parameters identifies means to control the average length, diameter, and areal density of carbon nanotubes grown on silica substrates. Using synthesis condition…
N-(2-hydroxypropyl)methacrylamide (HPMA) copolymers have been presented as nanoscale drug/gene delivery systems and imaging probes, and the well-defined HPMA copolymers prepared via reversible addition-fragmentation chain transfer (RAFT) polymerization promote their to clinical trials, as the significant enhanced anti…
Sulphonated polysulphone (SPS) has been synthesized and subsequently applied as binder for graphene oxide (GO)-based electrodes for development of electrochemical supercapacitors. Electrochemical performance of the electrode was investigated using cyclic voltammetry in 1M Na2SO4 and 1M KOH solution. The fabricated sup…
Cathodic protection is widely recognized as the most cost effective and technically appropriate corrosion prevention methodology for the port, offshore structures, ships. When applying the cathodic protection method to metal facilities in seawater, on the surface of the metal facilities a compound of calcium carbonate…
Sea-urchin shaped α-MnO2 hierarchical nano structures have been synthesized by facile thermal method without using any hard or soft template under the mild conditions. The structural and morphology of the 3D-MnO2 was characterized by X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). Fro…
The study presents an investigation of thermoregulatory processes of ceramic-containing textile materials used in cold environments. Bio-ceramic additives have a heat-retaining function caused by its far-infrared (FIR) radiation. Storing heat at a high temperature, bioceramics can radiate heat to the body when the tem…
막구조 건축물은 경량의 건축용 막재를 사용하므로 자유로운 곡면표현이 가능하고 시각적인 만족도가 높아 그 사용이 점차 확대되고 있다. 하지만 건축용 막재를 구성하는 직물이 화재에 취약하므로 용도에 적합하며 보다 높은 난연성능을 가지는 불연성 막재의 개발이 요구되고 있다. 따라서 본 연구에서는 단열성, 내열성, 불연성이 우수한 현무암섬유를 건축용 막재의 직포로 적용하고 PTFE 분산 수지를 함침 코팅하여 DSC/TGA 열분석, 강도특성, 방염 및 난연특성을 평가하였다. 또한, 일반적으로 사용되는 건축용 막재 중 성능이 가장 우수한 유리섬유 직포 막재와 난연특성을 비교하…
Different substrate surface pretreatments have been used to improve the adhesion of CVD diamond coatings on WC-Co substrates. This paper reports the results of a pretreatment method based on two-step chemical etching: first in Murakami solution and then in aqua regia. A systematic study was performed to evaluate the i…
ABSTRACT A nanodiamond‐based composite monolithic column was fabricated by redox initiation for high‐performance liquid chromatography. In the fabrication process, functionalized nanodiamond was used as the functional monomer, dipentaerythritol hexaacrylate and 1,10‐decanediol diacrylate as cross‐linking agents, polye…
The aim of this study is to investigate the effect of phosphate solution with Ca 2+ additives on weight, surface morphology and electrochemical behavior of phosphated Zn–Ni film. In order to characterize structure and morphology of surface, X-ray diffraction (XRD) and scanning electron microscopy (SEM) were applied, r…
본 연구는 플라즈마/촉매 공정을 이용하여 n-헵테인과 일산화탄소의 동시제거에 대해 조사하였다. n-헵테인과 일산화탄소의 분해특성을 파악하기 위해 플라즈마/촉매 공정과 촉매공정의 분해효율을 비교하였고, 촉매의 종류, 온도, 전력 등을 변화시켜 실험을 진행하였다. n-헵테인의 분해효율은 반응기 내부의 온도보다는 에너지밀도에 더 영향을 많이 받는 것으로 확인되었으며, 일산화탄소는 에너지밀도와 반응기 내부 온도 모두의 영향을 받는 것으로 나타났다. 촉매의 종류를 달리하며 n-헵테인의 분해효율을 조사한 결과 $Pd/{\gamma}-Al_2O_3$ > $Ru/{\gamma}-…
Lotus-like surfaces have attracted great attentions in recent years for their wide applications in water repellency, anti-fog and self-cleaning. This paper introduced a novel process, nanoparticle assisted cast micromolding, to create polymer film with superhydrophobic surface. Briefly, waterborne polyurethane (WPU) s…