Materials Literature
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This study investigated illite/polypropylene (PP) composite filament formation via melt-spinning and evaluated their physical properties to prepare functional fibers using natural materials. When composite filaments were formed, the composite filaments exhibited smaller fiber diameters compared to that of neat PP fila…
A PEMFC single cell with the active area of was used to verify the effect of water management in the anode. Water management is one of the most critical operating variables. In this paper the effect of operating condition change, such as anode humidification and temperature, was investigated under constant current den…
The effect of liquor to wood ratio on strength properties of NSSC pulp. The aim of this work was to find the optimal liquor to wood ratio which leads to the best strength properties of NSSC pulp. According to technical possibilities of production line, three sets of liquor to wood ratios were carried out: 1.4, 1.8 and…
In this study, effects of temperature, NSR, and oxygen concentration on the removal efficiency of an SNCR process were investigated experimentally as well as numerically using CHEMKIN-II program. The NO removal efficiency increased with the reactor temperature under oxygen-free condition, whereas when the oxygen conce…
The inhibitive action of thiadiazolopyrimidines on mild steel in 1 M H2SO4 has been studied using weight loss, gasometric studies and electrochemical polarization and AC impedance measurements. The effect of temperature on the corrosion behaviour of mild steel in 1 M H2SO4 with optimum concentration of inhibitors was…
Let H be the set of vertices of a tiling of the plane by regular hexagons of unit area. A point of H is called an H-point. Let [s] denote the greatest integer less than or equal to s, and let {s} = s − [s]. In this paper we prove a Blichfeldt-type theorem for H-points. It is shown that for any bounded set D ⊂ ℝ2 of ar…
The progress in electrocatalyst for polymer electrolyte membrane fuel cell(PEMFC)was reviewed.It included many aspects,such as core/shell structure,hollow structure and shape-control Pt-based catalysts,no-precious metal catalysts and new type supports-graphene,ordered mesoporous carbons.The development prospects of th…
The treatment methods and effects on tannery wastewater were reviewed about three processes such as physicochemical process,biochemical process and their combined process.
Extinction and ignition characteristics of -air counterflow diffusion flame were numerically investigated using a Flame-Controlling Method(FCM). A skeletal reaction mechanism, which adopts 17 species and 58 reactions, was used in the simulation. The extinction and ignition conditions of the -air diffusion flames were…
Labeling of cell surface receptors in living cells can be achieved using antibody-conjugated semiconductor quantum dots (QDs). The inherent photostable property of QDs can be exploited for understanding the arrangement and distribution of receptors in the plasma membrane. We describe herein methods that allow conjugat…
[Objective] The research aimed to study the effects of chito-oligosaccharide on wheat seed germination and seedlings growth.[Methods] Treating wheat seed and seedling with different consistency of chito-oligosaccharide,the effect of chito-oligosaccharide on wheat seed germination and seedlings growth was studied.[Resu…
In order to protect the interior wall of pressure vessel from melting,as an additional way to external reactor vessel cooling(ERVC),a kind of in-vessel core catcher(IVCC) made of high-temperature ceramics material was designed.Through the high-temperature and thermal-resistance characteristic of IVCC,the distributing…
Let u and be any two vertices of a graph G and k be a positive integer. A vertex disjoint k-path cover between u and is a set of k vertex disjoint paths between u and such that these paths contain all vertices of G and there do not exist common vertices except u and in these paths. A graph G is called one-to-one k-pat…
Sunt prezentate rezultatele obţinute pe un esantion de forma toroidala realizat dintr-un aliaj amorf cu urmatoarea structura: Co67Fe4B14.5Si14.5 ce a fost supus unui tratament termomagnetic de recoacere in câmp magnetic longitudinal, respectiv transversal. Au fost analizate variaţiile pierderilor specifice de energie…
The corrosion behaviors of the high-performance weathering test steel for bridge and the reference (09CuPCrNi-A) were symmetrically studied under 3.5% NaCl neutral wet/dry alternate condition,revealing their dynamics line tendency of primary corrosion and the rusting flow in the simulative marine atmosphere environmen…
One new ionic liquids metal coordination polymer [Pb(m-HNA)(H 2 O)]·NO 3 ·3H 2 O has been synthesized and characterized by IR,and elemental analysis.The single crystal structures of the title compound is determined by X-ray diffraction.In crystal,the title compound self-assembled to three-dimensional structure by π-π…
A magnetic composite of multi-walled carbon nanotubes(MCNT) decorated with mono-dispersed Fe3O4 nanoparticles was prepared by a polyol method.The structure and composition of the resultant composite were characterized by X-ray diffraction(XRD),transmission electron microscopy(TEM) and energy dispersive spectroscopy(ED…
The handy plasma coating equipment was applied to the high boron Fe-Cr alloy coating on the intermediate pan of the mine scraper conveyor and an abrasive test was conducted on the coating.The results showed that the costing was mainly consisted with γ-(Fe,Ni),(Cr,Fe)2B,Fe2B,Fe23(C,B)6 and other phases.With the boron c…
In this paper,in order to analysis the magnetic leakage field and local overheating in large power transformer,magnetic leakage field and eddy current loss in a transformer tank walls and yoke clamps are computed by using three dimensional(3D) eddy current finite element method.On that basis,the local overheating is a…