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Search Results: 1 - 10 of 304352 matches for " Zyk N.V. "
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Study of Catalytic Activity of the New Nanohybrid Material Based on Gold Nanoparticles and 1,4-bis(Terpyridine-4'-yl)Benzene
Manzheliy E.A.,Zyk N.V.,Majouga A.G.,Beloglazkina E.K.
Proceedings of the International Conference Nanomaterials : Applications and Properties , 2012,
Abstract: The paper describes the synthesis of composite material consisting of 1,4-bis(terpyridine-4'-yl)benzene microcrystals and gold nanoparticles with an average size of ~15 nm adsorbed on their surfaces. The nanohybrid material is obtained by the deposition of pre-synthesized nanoparticles on the surface of the organic compound. Mass content of gold in the obtained material is determined by the thermogravimetrical analysis. Catalytic reduction of para-nitrophenol is spectrophotometrically studied.
Liquid crystals made of highly polar compounds
Madhusudana, N.V.;
Brazilian Journal of Physics , 1998, DOI: 10.1590/S0103-97331998000400006
Abstract: liquid crystals are states of matter with symmetries intermediate between those of isotropic liquids and crystalline solids. the role of permanent dipoles in determining the stability of the nematic phase was discussed soon after the discovery of liquid crystals. thought it is now well known that polar interactions are not essential for the stability of the mesophases, strong longitudinal dipoles give rise to many unusual phenomena like reentrant phases, polymorphism of smectic a and nematic liquid crystals, etc. the article gives a summary of these phenomena and phenomenological as well as molecular theories which have been developed to describe them.
SOILS AS REPRESENTATIVE COMPONENT OF URBAN SYSTEM ECOLOGICAL MONITORING
Yorkina N.V.
Bìologì?nij Vìsnik Melìtopol?s?kogo Der?avnogo Pedagogì?nogo Universitetu ìmenì Bogdana Hmel?nic?kogo , 2011,
Abstract: Some classifications of city soils together with possibilities of operative tracking of the ecological state of urban system soil cover were considered. Data analysis of complex ecological monitoring of the soil cover was performed towards structural-functional organization of urban system and soils of city principal basic industrial enterprises and territories adjacent to artillery base complex near Novobogdanovka.The use of modern classifications of urban soils allows us to monitor the ecological state of soil of urban system and take proper measures for its optimization. The most representative indicators of the ecological status of soils for urban system are pH and heavy metals. All components of urban system must be considered as integrated structural and functional formation, where the main structural components are the administrative and territorial units - regions, and functional - industrial, residential and recreational areas of the city.Environmental monitoring of the spatial distribution of heavy metals and pH in Melitopol proved their uneven distribution. Most disadvantaged areas were located near highways. The main role in the pollution of the urban Melitopol environment has shifted to the road transport industry due to its significant increase.
The use of Norilsk region’s sulfur and hes ash for hydraulic engineering and reconstruction (rus)
Lichman N.V.
Magazine of Civil Engineering , 2011,
Abstract: As a result of the industrial activity millions of tons of industrial wastes are piled in the industrially developed countries. They occupy huge spaces, worsen ecological situation and require proper recovery.The paper contains the information about the ways of technical sulfur and ash recovery from the thermal power station which are used for obtaining artificial fillers and as components in the hydraulic concretes. Comparative characteristics that identify preferential parameters of sulfur concrete with respect to cement concretes are presented. Also the possibility of using technical sulfur and compositions based on it in hydraulic engineering as an anti-screen were investigated. Studies have revealed the fundamental possibility of obtaining high-quality sulfur compounds on the basis of industrial wastes and their field of application was determined.
Analysis of mathematical expectations of the cracks parameters from the degree of element deterioration based on historical data processingabout similar objects
N.V. Brayla
Magazine of Civil Engineering , 2012,
Abstract: Technical survey of the real estate object may be carried out for its cost evaluating or for the defining necessity of repair. During the inspection special attention is paid to cracks that are important destructive defects of structural elements. The article includes a short description of the cracks formation and material destruction processes with specifying the main theories and formulas of the fracture mechanics. The mathematical expectations of the crack parameters were deducted. These dependencies are inserted into a system of building technical condition graphic models and embedded in a methodical complex of object technical condition evaluation taking into account visualization of defects.Such parameters of building quality as operational reliability and environmental safety are assessed by degree of fracturing factor. This factor displays not only the relative area of cracks in the walls but also the operational quality of the building in the following way: the fracturing factor indicates the degree of constructions resistance to such harmful micro-organisms like mold and fungi, which provoke damage to structures, impair indoor climate of rooms and cause building occupants diseases. The technical condition and estimated cost of structures physical deterioration removal are represented by the buildings structural elements circle chart.
Actual question of marketing procurement, planning needs material resources for industrial enterprises
N.V. Rozumnaya
Marketing ì Mened?ment Innovacìj , 2011,
Abstract: From the marketing effectiveness of procurement depends not only on obtaining and maximizing profits, but the main thing - the competitiveness of products, opportunities for the development of an industrial enterprise in the long term. The article analyzes the current trends of development of procurement logistics, practical recommendations on selection of the planning system needs physical resources, optimizing the cost of your order and support the size of the stocks of industrial companies.
The system of cost management in the process of association of industrial enterprises as they seek opportunities for innovation development
N.V. Rozumnaya
Marketing ì Mened?ment Innovacìj , 2011,
Abstract: Proposed methodological approach to the definition of integration costs based on the use of tools Value analysis, FAST method to optimize the structure of the management functions in a business combination. Proposed methodological approach allows to assess how the merger profitable and unprofitable enterprises.
Systematic approach to the assessment of human capital as a conditions for providing growth of Ukraine railways
N.V. Yakymenko
Marketing ì Mened?ment Innovacìj , 2012,
Abstract: Methodical approaches to the assessment of human capital of railway transport is developed. Model of advanced training concept for railway transport of Ukraine is proposed.
Formation of brand-centric industrial enterprise management
N.V. Ivashova
Marketing ì Mened?ment Innovacìj , 2012,
Abstract: The article investigates the essence of brand-centric approach to industrial enterprise management. Analyzed of the concept of brand-centric management. Highlighted components of brand-centric management, analyzed the differences of brand-centric approach to management from the traditional approach. The principles and the mechanism of brand-centric management researched. The influence of corporate culture on the formation of industrial enterprise brand is investigated.
Methodological foundations of target market enterprise orientation
N.V. Karpenko
Marketing ì Mened?ment Innovacìj , 2012,
Abstract: In the article the author determines the importance of target market orientation maintenance which content is based on marketing principles and envisages the interrelationship of market segmentation processes and positioning. Proposed methodological principles of segmentation implementation are the result of the authors own research, and the process of positioning is examined through the five-level system that contains three stages and two variants of organizational behavior.
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