Materials Literature
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The use of the osmotic thermodynamic model, combined with a series of methane and carbon dioxide gas adsorption experiments at various temperatures, has allowed shedding some new light on the fascinating phase behavior of flexible MIL-53(Al) metal−organic frameworks. A generic temperature-loading phase diagram has bee…
The influence of sizing constituent distribution on the properties of sized glass fibres (GFs) and corresponding polypropylene (PP) composites was studied by two-stage sizing application, i.e. applying silane coupling agent and polymeric film former at separate stages and with different sequences, in comparison with o…
In this study, a novel pH/temperature sensitive hydrogel bead with core-shelled structure, composed of calcium alginate (Ca-alginate) and poly((N-acryloylglycine) (PAG), was prepared using as a drug delivery system. The equilibrium swelling has indicated the distinct sensitivities of the beads to pH value and temperat…
Inefficiency of the current balancing technology of the considered rotor types with the finite geometry changes is proved. The balancing technology providing rotor balance with finite axial movements of the subunits in their any relative position is offered.
The results of influence of job stability and cutting instruments hardening on the process efficiency, job primecost and expenses for tools are described. Recommendations on the cutting modes optimization under roughing with carbide cutting tools are given.
A mathematical model of the air-and-screen cleaner (grain separator) is given. Conditions and results of this process are shown.
Instruments of financing innovative processes in the aspect of cost refunding on innovations development are considered. Limits and possibilities of the state participation in the system priming reproduction of innovative products in the Russian economy are revealed. It is concluded that public and private mechanisms…
Ecological insurance programmes selected into the individual module of the insurance entities interaction in the general insurance system are considered. Development of the national ecological insurance system requires its governance model building based on the specific exploitation of certain natural resources and ha…
The knowledge society concept which originated from the information society concept is considered. A comparative analysis of two concepts is given. The shift of modern society focus from the problems of information accumulation and transfer to the knowledge production and social innovation that determine the future fo…
Bottling machines metering accuracy is considered. Key factors affecting bottling machines accuracy are discovered.
Mechanism of forming habit of the plants on basis of assumption that the basic process which enables growth and development of plants is water transmission through their capillary channels is considered.
It is well known that hopping of charge carriers via spatially and energetically distributed localized states is a primary transport mechanism in many disordered semiconductors and polymeric dielectrics. In this contribution, the nonlinear I-V physics of a 25 vol% 50 nm p-SiC/silicone rubber composite for high voltage…
The majority of contrast agents used in magnetic resonance imaging (MRI) is based on the rare-earth element gadolinium. Gadolinium-based nanoparticles could find promising applications in pre-clinical diagnostic procedures of certain types of cancer, such as glioblastoma multiforme. This is one of the most malignant,…
Experimental results of magnetocaloric effect for several polycrystalline and nanocrystalline manganites La1−xM0.xMnO3 (M=Ca and Sr) are analyzed. Influence of magnetic field is accounted for by the exponent N. The relatively deep N(T) minimum located close to the Curie temperature is found in the polycrystalline mang…
A facile, completely green, and cheap route for the synthesis of Au nanoparticles at 25–75° has been developed by using only hydrogen tetrachloroaurate as the precursor and gum arabic (GA) simultaneously as a reducing agent and a stabilizing agent. No extra reagents are needed. From the analyses of UV/VIS absorption s…
Wavelet shrinkage methods are effective for de-noising of partial discharge (PD) detection. Base wavelets are related to distortion of PD signals de-noised by wavelet shrinkage methods. This paper presents a scale dependent wavelet selection scheme for de-noising of PD detection. The scale dependent wavelet selection…
Abstract Electrospinning is a process used to fabricate continuous nanoscale fibers with diameters in the sub-micrometer to nanometer range using a high-voltage power supply. Electrospun (e-spun) fibers and the non-woven webs manufactured from them have attracted considerable attention due to their outstanding charact…
Capacitor technologies are as varied as the applications that they enable, but one of the common themes in advanced capacitors for consumer electronics is a desire for increased capacitance in smaller areas/volumes. The heroic advances of discrete capacitor manufacturers have kept pace with the increasing demands of m…
A simple and versatile method for making chemically patterned anisotropic colloidal particles is proposed and demonstrated for two different types of patterning. Using a combination of thermo/mechanical stretching followed by a wet chemical treatment of a sterically stabilized latex, both patchy ellipsoidal particles…
The incorporation and diffusion of helium (He) with and without intrinsic vacancy defects in cubic ZrO$_{2}$ are investigated through first-principles total-energy calculations, in which the projector-augmented-wave (PAW) method with the generalized gradient approximation (GGA) is used. The calculated formation energi…