Materials Literature
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The use of nylon-6 electrospun nanofiber mats as reinforcement with synergistic effect in tensile strength and toughness for melamine-formaldehyde (MF) resin is highlighted in this article. Interestingly, there was a drastic effect of the wetting procedure of reinforcing fiber mat by the MF resin on the morphology and…
The effect of the size and shape of silver nanoparticles on their optical absorption properties is theoretically investigated to understand the plasmonic properties of these systems. Time-dependent density functional theory (TDDFT) calculations are employed to calculate the optical absorption spectra for a series of s…
The superior thermal transport in graphene has been a topic of great interest to the scientific community, for graphene is envisioned to be important in numerous applications such as thermal management of electronics. While single layer graphene exhibits high thermal conductivity, molecular and lattice dynamics simula…
Since the first tissue-engineered vascular graft (TEVG) was implanted in a child over a decade ago, growth in the field of vascular tissue engineering has been driven by clinical demand for improved vascular prostheses with performance and durability similar to an autologous blood vessel. Great strides were made in pe…
editorial
Macroporous amphoteric gels based on allylamine, methacrylic acid and acrylamide crosslinked by N,N'-methylenebisacrylamide were synthesized by radical copolymerization of monomers in cryoconditions. The composition of cryogels was determined by combination of potentiometric and conductimetric titrations. The morpholo…
The essential characteristic of the virtual reality and its specific computer form being realized through the Internet project is given. The Internet is considered as a special sphere of the human activity in terms of its possibilities for the personality to escape from the social reality.
The deterministic models of the product quality dynamics based on the theoretical basics of the material systems kinetics are built. The dependence of the product quality change from the production complexity, resistance factors and requirements of consumers and other concerned parties, is received.
The problem on simulating noise emission of the spindle heads of the drilling woodworkers with double acting gas-lubricated bearings is formulated. The load characteristics of the double acting gas-lubricated thrust bearing are calculated where the units (slides) on both sides of the slide rail oscillate in the direct…
The analysis of the shadow economy as the result of historical relationships of the control is presented. The role of the relations of the control in promoting the shadow economy is shown. The model of the real historical forms of the economy, which factual matter permits to represent the holistic situation of the con…
Some issues of modeling the lines of the foreign economic policy, whose management is examined from the perspective of the business process, are considered. The integrated effect – discount cash flow - is proposed for the comparison of the efficiency assessment indicators. The competitiveness index is recommended to b…
The role of photography in the process of the social control of the power over the actions, people’s behaviour, and forming public opinion is considered. Photography is presented as a manipulative technology of the information war.
Some problems and principal directions of the realization of the national project “Affordable and Comfort Housing - to Russian Citizens” are considered. The possibilities and results of the introduction of the marketing concept into the activity of all the participants of this project are analyzed.
The economic toolkit for the control effectivization of the state-private partnership management is offered and proved.
The numerical analysis results for the impact of the billet thickness of some steel qualities on the operating speed and efficiency of the hammer are presented.
A set of proposals on the adaptation of foreign experience in management of the environmental impact under the Russian conditions, taking into account the regional specificity, including the creation of the regional centres on the best available technologies, the specification of their functions and interaction patter…
The induction gage of linear displacements with high temperature stability of the output characteristic is presented. The electromagnetic field in the device is simulated through Elcut programme. As a result, the stability of its output characteristic over a wide temperature range is proved.
The parasitic oscillations of the vibrator mass flow transducer caused by the force point shift from the axis of symmetry of the U-tube are investigated. The defining formulas of the absolute and adduced additive errors are received. The criteria on reducing these errors in the flowmeter design are developed.
The dynamic characteristics of the mechanical operation are analyzed. The mathematical model of the drive of the power-saw bench principal movement is built.
The numerical simulation of the injection moulding process involving microstructures presents several challenges, mainly due to the surface effects that dominate the flow behaviour at the microscale. In this paper a new approach, which employs weld lines as flow markers, is used to evaluate whether the numerical codes…