Materials Literature
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Abstract In this study, the electrochemical reduction of nitrite was investigated on poly(4‐aminoacetanilide) (PPAA) forming by cyclic voltammetry at the surface of carbon paste electrode. The electrochemical properties of the modified electrode have been studied by cyclic voltammetry and double potential step chronoa…
This paper proposes a parallel energy-sharing configuration of energy management control for fuel cell hybrid vehicles (FCHVs) application. The hybrid energy source consists of fuel cells (FCs) and energy storage units (ESUs) made up of battery pack and ultracapacitor (UC) module. The aim of the control is to regulate…
Important advances have been made recently in the invention and application of experimental methods to control the sawtooth instability in tokamak plasmas. The primary means of control involves the application of either ion cyclotron resonance heating (ICRH), or electron cyclotron heating, with resonance very close to…
This paper presents the chemical synthesis of 3-Aminophenylboronic acid (APBA) modified graphene oxide (GO) and its application to the electrochemical detection of glycated hemoglobin (GHb). The compound (GO-APBA) was synthesized by forming an amide linkage between the amino group (-NH2) of APBA and the carboxylic gro…
Resistive switching characteristics of bilayered titanium oxides layer were investigated. To improve the relatively poor electrical characteristics of solution-processed TiOxactive layers, we incorporated an additional thin TiO2(∼8 nm) layer by atomic layer deposition. The bilayered titanium oxide active layer showed…
The magnetic properties, structural properties, and thermal conductivity of FePt films deposited on Ag and Cu heat sink layers designed for use in heat-assisted magnetic recording (HAMR) were investigated. It has been found that FePt films grown on Cu have a well-defined L10-FePt (001) texture while the FePt films gro…
Cassia sieberiana D. C. [Caesalpiniaceae] though widely used in traditional medicine as an analgesic in dysmenorrhoea, ulcer, general body pains and in veterinary medicine, there is no report on its standardization. Objective: To establish standards for a partial monograph preparation. Materials and methods: Standardi…
Compared with widely used SAC305 (Sn-3.0Ag-0.5Cu) solder, low-Ag (Ag≤1%) SAC solder obviously shows advantages in cost and mechanical impact resistance, and disadvantages in worse wettability, higher melting point and degeneration in electromigration, which restrict its application. Therefore, adding some suitable ele…
Any protein structure determination process contains several steps, starting from obtaining a suitable sample, then moving on to acquiring data and spectral assignment, and lastly to the final steps of structure determination and validation. This unit describes all of these steps, starting with the basic physical prin…
Static dielectric constant ( ∈0) and high frequency limit dielectric constant ( ∈∞) of binary mixtures of rigid polar molecules bromobenzene and nitrobenzene each with three alcohols methanol, 1-propanol and 1-butanol over the entire concentration range have been determined at 28 °C. Static dielectric constant values…
Using a dedicated test vehicle (low-k planar capacitor) for studying the intrinsic properties of low-k materials and using standard single damascene 50 and 90 nm ½pitch test vehicles, differences in reliability behavior between intrinsic and integrated SiOCH porous low-k materials were investigated. The studied parame…
A transparent cell with the ability to apply a uniform internal electric field has been designed for protein crystallization. The parallel configuration of two plate electrodes coated with transparent conductive films provides a cell where the growth of protein crystals can be observed. In addition, the electrodes all…
Abstract Four different seaweed extracts were employed as the dyes of dye sensitized solar cells (DSSCs) to investigate the light‐electron efficiency. The sensitizers, extracted from Nannochloropsis spp., Tetraselmis spp., Gracilaria spp., and Ulvales spp., showed their light‐electronic transfer ability in different l…
The application of polyvinyl acetate (PVA) was assessed as a potential protective edible coating in round-type tomato fruit (Lycopersicum esculentum Mill, cv. Gabriela) at the green stage of maturity. Coated and uncoated fruits were stored at ambient (20 °C, 40 % relative humidity, RH) and controlled (21 °C, 60 % RH)…
Protein folding is regarded as a quantum transition between the torsion states of a polypeptide chain. According to the quantum theory of conformational dynamics, we propose the dynamical contact order (DCO) defined as a characteristic of the contact described by the moment of inertia and the torsion potential energy…
BACKGROUND: Oxystelma esculentum R. Br. (Family: Asclepiadaceae) is a perennial twiner growing in water-logged areas of the Indian sub-continent. It is used traditionally as a diuretic, laxative and an anti-ulcer agent. However, there is no method available for isolation and estimation of a marker compound from this p…
A model description of molecular medium spectra during phase transitions in cylindrical nanopores is developed based on the thermodynamic concept of surface adsorption and capillary condensation. Good agreement of the calculated and experimental spectra measured during carbon dioxide adsorption and condensation in por…
The paper is devoted to studies on the influence of the sodium void reactivity effect (SVRE) on the safety and technical and economical characteristics of the BN-1200-type reactor. Different core options are considered for application to this reactor. These core options differ in design, dimensions, and, hence, SVRE v…
Faraday rotation has been used to investigate a series of polymer films doped with magnetic iron oxide nanoparticles. The films have been prepared by spin-coating and melt-processing. In each case, upon varying the angle of optical incidence on the films, an in-plane magnetic anisotropy is observed. The effect of such…
Abstract The process of gaseous nitriding is considered to be fully controllable by temperature and the nitriding potential. Most of the commercially used control systems are based on the Lehrer Diagram showing the relation between nitrogen-iron phases, temperature and the partial pressure ratio of ammonia and hydroge…