Autor: Potapov, A.V. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Improvement of soldier survivability by signature management
Autorzy:: Grigoryan, V.A.
Antipov, A.P.
Potapov, A.V.
Egorov, A.I.
Powiązania:: https://bibliotekanauki.pl/articles/237920.pdf
Data publikacji:: 2009
Wydawca:: Instytut Technologii Bezpieczeństwa Moratex
Tematy:: noktowizor
rozpoznanie radarowe
ochrona żołnierza
night vision
radar identification
protection of the soldier
Opis:: R&D in the field of ballistic protection of an individual soldier have led to creation of personal protection equipment. Modern body armor allows substantial reduction of personnel losses from small arms. Unfortunately, it is not possible to ensure complete protection of the soldier by only those technical solutions which reduce threat penetration into the body armor, since the power of weapons is constantly increa sing and non-lethal ammunition has appeared; but the acceptable weight of body armor is limited. The paper presents the results of development of such components of soldier's equipment which improve his protection by reducing his signature for visual, night vision, thermal and radar reconnaissance.
Źródło:: Techniczne Wyroby Włókiennicze; 2009, R. 17, nr 2/3, 2/3; 25-27
1230-7491
Pojawia się w:: Techniczne Wyroby Włókiennicze
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Method of evaluation of the probabilistic dispersion of traction and transport vehicles estimated noisiness
Autorzy:: Dolotov, A. A.
Pobedin, A. V.
Iskaliev, A. I.
Potapov, P. V.
Bezverhov, V. A.
Powiązania:: https://bibliotekanauki.pl/articles/245088.pdf
Data publikacji:: 2015
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: traction
transport vehicles
method
confidence interval
probability
statistic
noise dispersion
Opis:: This paper describes questions, which are connected with possibility of obtaining the dispersion of traction and transport vehicles (TTV) noisiness computation on the stage of its development. Experimental data shows that noise around TTV and at operator workplace has wide dispersion of values for even one model produced by one factory at the same time. It concerns practically every type of TTV – new and with some operating time, at mass, individual and serial producing, and at similar operation conditions. Mathematical functions for determination of dispersion mentioned above in dependence on confidence interval of various sources noisiness were obtained. The general method for assessment of probabilistic dispersion of estimated noisiness results is presented. This general method for probabilistic dispersion of computational evaluation of TTV noisiness consists of next stages: assessment of dispersion (confident interval) of acoustic power of each separate noise source; determination of computational function (choice or compiling formulas for computation); determination of dispersion (confident interval) for sound absorption coefficients and other independent variables; determination of partial derivatives for computational function on each independent variable; obtaining of functional dependence of result dispersion of input factors (arguments); calculating of numerical assessment value of TTV noisiness determination result.
Źródło:: Journal of KONES; 2015, 22, 1; 91-94
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Research of noise in tractor K700 cabin
Autorzy:: Pobedin, A. V.
Dolotov, A. A.
Iskaliev, A. I.
Potapov, P. V.
Powiązania:: https://bibliotekanauki.pl/articles/242604.pdf
Data publikacji:: 2015
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: capital repair
sound pressure level
noise total level
noise spectre
tractor
cabin
measuring
Opis:: This paper briefly describes method of noise-measuring tractor’s K700 cabin, obtained noise spectres were analysed and recommendations based on these results for noise decreasing in cabin K700 are proposed. Air noise penetrates into the tractor’s K700 cabin through panels, enclosures, apertures, chinks etc. Structural noise in the cabin is caused by vibrations transfer from sources along tractor frame through vibration isolators to cabin walls and carcass. At that, the main noise sources are engine case, air system, exhaust system, engine cooling system fan and also transmission case located under cabin floor. Every panel in the cabin has own intensity of sound waves radiation and thus contributes to forming of the sound field on the operator workspace. Therefore, it is important to know the sound pressure level near every panel into the cabin. It was state that at low frequencies, noise from left windshield prevails. In addition, in high frequencies bands the highest sound pressure issues from partition between engine area and cabin. Noise spectres have sound pressure peaks in bands with centre frequencies. Total noise level perceived by operator in tractor cabin is less during tractor motion on dirt road without aggregate than during its work with seeding machine on field prepared for winter grasp. At that, partition between engine area and cabin contributes greatly. Thus, for integrated noisiness, reducing in the tractor cabin sound isolation of partition between engine area and cabin should be increased and also sound isolation of windshields located closely to exhaust pipe has to be improved. To decrease low-frequency noise optimization of tractor cabin vibration isolation system need to be performed.
Źródło:: Journal of KONES; 2015, 22, 1; 261-264
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Extraction of Nonferrous Metals and Production of Building Materials from Copper-Nickel Smelting Slags
Odzysk metali nieżelaznych i produkcja materiałów budowlanych z żużli miedziowo-niklowych
Autorzy:: Svetlov, A.
Potapov, S.
Potapov, D.
Erokhin, Y.
Usov, A.
Potokin, A.
Suvorova, O.
Kumarova, V.
Makarov, D.
Powiązania:: https://bibliotekanauki.pl/articles/318563.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Przeróbki Kopalin
Tematy:: żużel granulowany
metale nieżelazne
rozdrabnianie impulsem elektrycznym
flotacja
ceramiczne materiały budowlane
granulated slag
non-ferrous metals
electric pulse destruction
flotation
ceramic building materials
Opis:: Nowadays, mining and metallurgical enterprises are necessarily involved in recovering of technogenic deposits generated by their operations. By doing so, they obtain additional mineral resources and improve the environment situation. Studies of the processability of pelletized slag from copper-nickel process tailings (Kola MMC, JSC) have disclosed the possibility of extracting nonferrous metals via flotation. It has been shown that the flotation tailings of copper-nickel slag can be processed to obtain building ceramic materials with advanced physical-mechanical characteristics.
Kopalnie i zakłady metalurgiczne podejmują tematykę odzysku metali ze złóż antropogenicznych (składowisk odpadów). Uzyskuje się w ten sposób dodatkowe surowce mineralne i poprawę stanu środowiska. Badania nad możliwością przeróbki żużla granulowanego z odpadów z miedzano-niklowych (z zakładów Kola MMC, JSC) pokazały możliwość odzysku metali nieżelaznych w procesie flotacji. Wykazano, że odpady flotacyjne z żużla miedziano-niklowego można poddać przeróbce i dzięki temu uzyskać m.in. ceramiczne materiały budowlane z zaawansowanymi właściwościami fizyczno-mechanicznymi.
Źródło:: Inżynieria Mineralna; 2015, R. 16, nr 2, 2; 243-248
1640-4920
Pojawia się w:: Inżynieria Mineralna
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Decreasing of dynamic loading of tractor’s powertrain by means of change of reactive element torsional stiffness
Autorzy:: Kalmikov, A. V.
Sokolov-Dobrev, N. S.
Shekhovtsov, V. V.
Ljashenko, M. V.
Potapov, P. V.
Powiązania:: https://bibliotekanauki.pl/articles/242814.pdf
Data publikacji:: 2015
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: dynamic load
power train
dynamic model
torsional vibration
caterpillar tractor
Opis:: This article describes original method proposed by authors that provides decreasing of dynamic loading of tractor’s powertrain by means of change of reactive element torsional stiffness. In tracked vehicles one of the most loaded elements is final drive unit which loaded by high dynamic modes. In tractor Chetra 6C-315, final drive is epicyclic where stopped element is ring gear. Authors propose using of strictly resilient (5 degrees in forward-backward direction) mount of ring gear instead of stiffening. Design study of installation between hub and gear ring that connects drum and crown gear, of the resilient metal plates pack was performed. This pack is kind of elastic coupling. Resilient packets of coupling sustain loads and smooth over peak dynamic loads and after elastic deformation of these packets rigid coupling between hub and coupling crown is provided at contact surfaces of skewed stops of hub and crown. To analyse efficiency of proposed method of dynamic loadings decreasing of powertrain elements three-dimensional model of powertrain was created in “Universal Mechanism”. In addition, solid model of caterpillar mover was created in the same software for analysis of influence on powertrain loadings of complex of kinematic and dynamic factors influencing forming of torque on driving sprockets. This article presents results of modelling of loading processes in powertrains elements with elastic coupling and without it during longitudinal motion at various speeds and in turns with various radii. Results show that elements dynamic loading at high loading dynamic modes in case of installed coupling is decreased by 20-30%.
Źródło:: Journal of KONES; 2015, 22, 1; 127-134
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Decreasing of vibration load level on tractor operator’s working place by means of using of vibrations dynamic dumpers in cabin suspension
Autorzy:: Shekhovtsov, K. V.
Sokolov-Dobrev, N. S.
Pobedin, A. V.
Liashenko, M. V.
Shekhovtsov, V. V.
Potapov, P. V.
Powiązania:: https://bibliotekanauki.pl/articles/243907.pdf
Data publikacji:: 2015
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: tractor cabin
suspension
standard vibroisolator
dynamic vibration damper
Opis:: This paper is devoted to describing of method of decreasing of vibration load level on tractor operator’s working place by means of using of vibrations dynamic dampers in cabin suspension (on other words – dynamic absorbers of dynamic vibroisolators). Standard cabin vibroisolators of tractors DT and VT series include monolith rubber block and have limited capabilities to change its elastic parameters adaptively during impact of vertical and lateral vibration loads with various frequencies. Elastic-damping properties of these vibroisolators does not allow to provide comfortable conditions for operator work because their abilities of vibration damping are not enough especially at low-frequency vibrations. Dynamic vibration dampers installed in cabin suspension were proposed by authors for decreasing of vibration load level on operator workplace. These dampers include additional masses connected to main mass due to elastic-damping elements. Several variants of dynamic vibroisolators schemes were proposed by authors. These schemes differ in quantity of additional masses (one, two or three) and type of connection between additional masses and main mass due elastic-damping elements (parallel or in series). Three-dimensional model of caterpillar chassis, suspension, engine, cabin and operator’s seat of tractor was created in software “Universal mechanism” for performing of computational research. On this model, researches of vibration of sprung mass were made for tractor motion with and without hook load at 3rd and 7th gears on smooth surface and on testing areas with single, periodic and random bumps. Research results indicate undoubtedly best vibroprotective properties of cabin’s suspensions with dynamic vibroisolators.
Źródło:: Journal of KONES; 2015, 22, 1; 276-284
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: A Study of Interaction of Mine Drainage Waters with Impregnated Copper-Nickel Ores
Badanie interakcji wód drenarskich z impregnowanymi rudami miedzi i niklu
Autorzy:: Svetlov, A.
Makarov, D.
Potapov, S.
Nekipelov, D.
Seleznev, S.
Parshina, N.
Masloboev, V.
Powiązania:: https://bibliotekanauki.pl/articles/319047.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Przeróbki Kopalin
Tematy:: ruda miedziowo-niklowa
woda kopalniana
ługowanie
copper-nickel ore
mine water
leaching
Opis:: The work deals with processes occurring on interaction of mine drainage waters with fine-grain dusty particles, and filtration of the water through sulphide rock mass. The studies have shown that the environmental hazard likely to be caused by the drainage waters of the Severny mining plant of the Kola MMC Ltd is lower than it might be expected owing to precipitating of the heavy metals by iron hydroxides and magnesium hydrosilicates. An assessment of the feasibility of hydrometallurgical processing of impregnated copper-nickel ores has been prepared.
Praca dotyczy procesów zachodzących w interakcji wód drenażowych kopalnianych z pyłowymi cząstkami drobnoziarnistymi oraz filtracji wody poprzez masy skał siarczkowych. Badania wykazały, że zagrożenie dla środowiska spowodowane przez kwaśny drenaż wody kopalni Severny w Kola MMC Ltd jest niższa niż można się było spodziewać z powodu wytrącenia ciężkich metali za pomocą wodorotlenków żelaza i hydrokrzemianów magnezu. Dokonano oceny wykonalności przeróbki hydrometalurgicznej impregnowanych rud miedzi i niklu.
Źródło:: Inżynieria Mineralna; 2018, R. 19, nr 1, 1; 165-171
1640-4920
Pojawia się w:: Inżynieria Mineralna
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Detection of microcystin producing cyanobacteria in the Svisloch River, Belarus
wpisac
Autorzy:: Mikheyeva, T.M.
Belykh, O.
Sorokovikova, E.G.
Gladkikh, A.S.
Luk'yanova, E.V.
Potapov, S.A.
Tikhonova, I.V.
Fedorova, G.A.
Korneva, E.S.
Kuzmin, A.V.
Powiązania:: https://bibliotekanauki.pl/articles/85033.pdf
Data publikacji:: 2012
Wydawca:: Akademia Pomorska w Słupsku
Opis:: Comprehensive investigations of the Svisloch River phytoplankton were performed in 2006-2010. Samples were taken all-the-year-round at four sites: reservoirs Drozdy and Lake Komsomolskoye, sites along Vaneyev and Aranskaya streets (within the Minsk municipal section of the river). Species diversity of planktonic cyanobacteria and their contribution to phytoplankton abundance and biomass were determined. Potentially toxic cyanobacteria were detected based on the results of molecular-phylogenetic analysis. They contained a microcystin synthesis gene (mcyE). Obtained sequences belonged to the Microcystis and Anabaena genera, which were the most common in reservoirs worldwide and the most frequent agents of blooms. Several types of microcystins and a nontoxic peptide Oscillamide Y were detected in phytoplankton samples by means of LC/MS
В течение 2006-2010 гг. проводилось комплексное исследование фитопланктона р. Свислочь. Пробы отбирались круглогодично на четырех станциях в черте г. Минска: в зарегулированных водохранилищах Дрозды и Комсомольское озеро и на речных уча- стках в районе улиц Ванеева и Аранская. С помощью световой микроскопии определен видовой состав планктонных цианобактерий, оценен их вклад в численность и биомас- су фитопланктона. В результате молекулярно-филогенетических исследований выявле- ны потенциально токсичные цианобактерии, содержащие ген синтеза микроцистина (mcyE). Полученные последовательности принадлежат представителям родов Microcystis и Anabaena (= subg. Dolichospermum), которые широко распространены в водоемах мира и являются частыми возбудителями токсичных цветений. Несколько типов мик- роцистинов и нетоксичный пептид осцилламид Y были детектированы в пробах фито- планктона с помощью ВЭЖХ-МС.
Źródło:: Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2012, 16
1643-0115
Pojawia się w:: Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: First Jurassic mammals from Kyrgyzstan
Autorzy:: Nessov, L A
Kielan-Jaworowska, Z.
Hurum, J.H.
Averianov, A.O.
Fedorov, P.V.
Potapov, D.O.
Froyland, M.
Powiązania:: https://bibliotekanauki.pl/articles/21388.pdf
Data publikacji:: 1994
Wydawca:: Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:: docodont ulna
Docodonta
mammal
fossil
Kyrgyzstan
Jurassic mammal
right ulna
reptilian tooth
mammalian incisor
mammalian ulna
sediment
Mesozoic mammal
Źródło:: Acta Palaeontologica Polonica; 1994, 39, 3
0567-7920
Pojawia się w:: Acta Palaeontologica Polonica
Dostawca treści:: Biblioteka Nauki

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