Materials Literature
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IEEE is considering developing a guide for evaluating turn and strand insulation in multi-turn form wound coils for medium and high voltage coils up to 15KV. It is hoped that this guide will prove useful in comparing different systems based on the degradation of the surge breakdown voltage of coils subjected to a seri…
The quality of kiwifruit with three different packaging films were studied on the storage days. These kiwifruits were stored at 0±0.5°Cfor 120 days. Results showed that the kiwifruits with PVC films can keep a relative good quality during the storage life.
The clays of the smectite group, mainly montmorillonite, are widely used in the production of organoclays due to the small dimensions of the crystals, high cation exchange capacity (CEC), and swelling capacity in water, which lead to a rapid and efficient intercalation of organic compounds used in the synthesis. In th…
Alternating current of frequency ω generates heat in a metal film oscillating with the frequency 2ω. Due to the temperature dependence of the resistance, the voltage across the film has a V3ω-component oscillating with the frequency 3ω. In the present paper the amplitude and phase of the V3ω-component are calculated o…
Utilizing PERC process, absolutely efficiency benefit of single crystalline Si solar cell with SiO2/SiNxpassivation layer is 0.85% and mono-like Si solar cell is 0.44% only. With bias light intensity > 0.012 Suns, the SiO2/SiNxinduced shunt path could be reduced and showed closed response with 1 Sun. The photoluminesc…
Two kinds of TRIP steel with different Al and Si content were researched in this article. Different annealing atmosphere in the trial was achieved by the Hot Dip Galvanized Simulator by Iwatani. The segregation of alloying elements after annealing under different atmosphere were investigated and the compounds on the s…
The highest efficient Cu2ZnSn(S,Se)4(CZTSSe) Solar cell have a Cu-poor and Zn-rich metal ratio compared to the stoichiometry. Therefore secondary phases, such as Zn(S,Se), are formed. To investigate a possible correlation between these secondary phases and the solar cell properties, four samples were prepared which ha…
In doped TlGaSe2 crystals the phase transitions at low temperatures (100170 K) were observed using admittance and dielectric spectroscopy in a temperature range of 80320 K. The admittance and permittivity measurements in the studied samples indicated that after Fe or Tb doping by impurities with concentrations Nimp <…
Electromagnetic characterization of polymer mixtures reinforced with carbon fibers and graphene nano-platelets is investigated in this paper. It is shown that rigorous electromagnetic modeling can be applied to determine electromagnetic properties of such composite materials. Major differences between those two types…
An ensemble of N noninteracting spins being in thermal equilibrium and coupled to the resonant mode of a lossless microwave cavity is studied as the function of the spin temperature τ. Near τ = 0 the system is known to be in a coupled spin-photon state that manifests itself by the splitting of the cavity mode (vacuum…
Measures to optimize the production of corrosion-resistant steel have been introduced at OAO Severskii Trubnyi Zavod. They ensure that the steel’s content of corrosive nonmetallic inclusions of the first and second type is no more than 2 mm −2 . The measures were developed on the basis of research on the morphology an…
In this paper, perovskite oxide SrFe0.5Co0.5O3-δ has been synthesized by citric acid method. The structures and the morphology of material were analyzed by XRD and SEM respectively. Using SrFe0.5Co0.5O3-δ as photocatalyst, the photocatalytic activity of the degrading Congo red solution was investigated. The effect fac…
Using the Breit-Wigner distribution, a new approximate method of calculating the dispersion of the refractive index of a film that weakly absorbs in the visible wavelength range being stained due to the chromogenic effect after the deposition is proposed. We used an author’s analytical description for the transmittanc…
The influence of Mo and V contents on the microstructure and secondary hardening of 6Cr6W2MoV steel was studied in this paper, and the process factors and the transformation mechanism of the influence results were discussed by phase equilibrium thermodynamic analysis. The results show that, the microstructure of 6Cr6W…
Because of excellent mechanical, physical and chemical property Wf/Zr-based amorphous matrix composite attracts people’s interest and becomes the hot spot of science study and engineering application. In this paper, change regulation of hardness of target around crater by Wf/Zr-based amorphous matrix composite project…
Known methods of formation of plans of civil engineering in the territory of settlements not fully consider a large number of various factors, and also discrepancy is more whole than planning. The general methods of the solution of a problem of planning aren't developed now because of its high complexity. The purpose…
Abstract In this study, we demonstrate high‐efficiency distortion‐free spectrum Organic Light‐Emitting Diodes (OLEDs) using photonic crystal (PC) and micro lens array (MLA). The PC structure is fabricated by laser interference lithography (LIL), which enables simple and cost‐intensive manufacturing for mask less and l…
The overuse of plastic mulching film in Awat county caused a gradual process of deterioration of the local soil environment, greatly polluted the environmental sanitation in rural areas and hindered the improvement of agricultural machinery's operation quality. After analyzing the related data of plastic mulching film…
Os aços inoxidáveis superduplex (AISD) são materiais que aliam altos valores de resistência mecânica com elevados níveis de resistência à corrosão. Por tal motivo, esta família de aços inoxidáveis é muito utilizada em componentes de processo na indústria offshore. No entanto, existem grandes desafios na soldagem deste…
La oseointegración se ha optimizado favorablemente en los últimos años y tecnologías variadas se han aplicado para mejorar esta condición. El objetivo de esta investigación fue conocer la relación entre la aplicación de cargas eléctricas y su capacidad de mejorar la oseointegración en un modelo animal. 16 conejos de r…