Materials Literature
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The interaction between a semiconducting single-walled carbon nanotube and its graphite substrate was studied by calculation based on the density functional theory. Between two contact configurations of the system energy minimum, a series of metastable contact configurations of the carbon nanotube on the graphite were…
Ab initio methods and density functional theory B3LYP with QCISD/6-311++G** basis set have been used to calculate the equilibrium geometries and vibrational properties of the possible structures and electronic states of MgB2 molecule. The present computational results predict that the ground electronic state is the tr…
We performed a general assessment of performance of the three molecular dynamics (MD) packages AMBER, Gromacs and NAMD on the four hardware platforms BlueGene/P, HP Cluster Platform 4000, HPCx and the UK?s current national flagship HECToR. The membrane-embedded Epidermal Growth Factor Receptor was chosen as a large sy…
Ag nanoparticle arrays, located on the front or rear surface of a Si solar cell, can provide effective lighttrapping via the excitation of localised surface plasmons. We identify key parameters in engineering random Ag nanoparticle arrays for optimum plasmonic light-trapping. We demonstrate that there is an asymmetry…
INES/CEA has developed the MotherPV method (Meteorogical, Optical and Thermal Histories for the Energy Rating of PhotoVoltaics) allowing the monitoring of the performance of photovoltaic modules and systems: to determine the power of the module at any irradiance and temperature levels, two coefficients are used in thi…
In this study, a CFD model was developed to investigate the effect of high ambient temperature field on the supersonic oxygen jet behaviour. The results were compared with available experimental data by Sumi et al. (2006) and a jet model proposed by Ito and Muchi (1969). The CFD simulation with k-e turbulence model in…
This chapter contains sections titled: Introduction Surface Modification of Polymers Surface Cleaning and Ashing Oxidation Surface Hardening Questions References ]]>
This chapter contains sections titled:Multipulse MethodsMultipulse Transformer BasicsTransformer kVA RatingInductor kVA RatingSummary of Phase-Shifting Transformers
This chapter contains sections titled: Introduction Expansion in Gaussian Beam Modes: General Considerations Radius of Curvature Beam Radius Beam Waist Location and Complex Amplitudes Gaussian Beam Modes for Feed Elements of Various Types Summary of Fundamental Mode Coupling Coefficients Bibliographic Notes
The influence of chromium on the radiation damage resistance of iron based alloys has been studied using conventional positron lifetime technique and a pulsed low energy positron beam. To simulate high neutron flux, the helium implantation has been used. Different levels of helium doses (6.24·10¹⁷–3.12·10¹⁸ cm⁻²) corr…
ZnO nanowires with the average diameter of 20 nm and the length of longer than 10 μm were synthesized on GaAs substrate by chemical vapor deposition（CVD）. As-doped ZnO nanowires were obtained by annealing the samples at 600 ℃ for 30 min in oxygen. Single ZnO nanowire field effect transistors（FET） were fabricated by el…
This paper gives answers to a few questions concerning tilings of Euclidean spaces where the tiles are topological simplices with curvilinear edges. We investigate lattice triangulations of Euclidean 3-space in the sense that the vertices form a lattice of rank 3 and such that the triangulation is invariant under all…
Abstract: Density, viscosity and ultrasonic velocity have been measured for four ternary liquid mixtures containing aniline + benzene with cyclohexane and n-heptane, aniline + toluene with cyclohexane and n-heptane at temperature 303 K. The adiabatic compressibility, free length, free volume, internal pressure and the…
The effect of viscosity and bubble content on cavitation bubble oscillation is investigated by the fiber-optical sensor based on the beam deflection in combination with theoretical analysis. The maximum bubble radius at each oscillating cycle in different viscous fluid is determined by experiment. It is observed that…
Shape memory alloys (SMA) provide exciting opportunities for scalable actuation systems. As SMA actuators are scaled down in size, cooling increases and bandwidth, one of the traditional drawbacks of larger-scale SMA actuators, improves. However, the inclusion of a bias element with which to cycle the SMA actuator bec…
Dokument definira pojmovlje uvriježeno u podrucju polimernih mjesavina i kompozita, a odnosi se na mjesavine komponenata razlicitog kemijskog sastava ili molekulske mase u kojima je polimer kontinuirana faza. Popratni su termodinamicki opisi uglavnom ograniceni na binarne mjesavine, iako se nacelno mogu primijeniti i…
This paper deals with the structural and optical properties of the polycrystalline silicon films initially deposited in amorphous state by electron beam evaporation technology on a Corning glass and consequently thermally re-crystallized from solid phase. The re-crystallization process was “in situ” monitored by X-ray…
Cadmium sulphide thin films have been deposited on glass substrate by a chemical bath deposition method. An aqueous alkaline bath consisting of cadmium chloride, thiourea, triethanolamine and ammonia. The preparative parameters like ion concentration, temperature, pH and stirring rate have been optimized for getting g…
The results of studies of Cyanoprokaryota (Cyanophyta, Cyanobacteria) of the Murmansk Region are presented. The list of Chroococcales contains 78 species, 16 ones being reported as new records for the Murmansk Region, Gloeocapsopsis pleurocapsoides — as a new record for Russia.
Pd-Catalyzed amination of 3,3'-dibromobiphenyl using various polyamines and oxadiamines was studied. Target macrocycles were obtained in yields from moderate to good with a variety of polyamines and oxadiamines, cyclic oligomers were isolated in the majority of cases as by-products. Synthesis of the macrocycles contai…