Yaroslavskiy, Russia

Moscow State Forest University

Yaroslavskiy, Russia

Moscow State Forest University is a specialized establishment of higher education which trains engineering personnel, scientists as well as bachelors and masters for forest industry, wood processing and pulp and paper industry and is the major educational and scientific centre of forest complex of the country. Established in 1919 as the Moscow Forest Engineering Institute, the school was Russia's "first higher education institution for training forest engineers."There are 9 faculties in university specialized in forest engineering and 1 faculty specialized in electronics and computer science Faculty of Computer Science . FEST was founded in 1959 on initiative by academician Sergey Pavlovich Korolev. Wikipedia.

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Drobyshev I.,Swedish Agricultural University | Drobyshev I.,University of Quebec at Abitibi - Témiscamingue | Overgaard R.,Swedish Agricultural University | Saygin I.,Moscow State Forest University | And 4 more authors.
Forest Ecology and Management | Year: 2010

To identify weather controls of beech diameter growth and masting in southern Sweden, we analyze records of monthly weather, regional masting record, and tree-ring chronologies from five beech-dominated stands. The results indicate a strong weather control of temporal pattern of masting events in southern Sweden over the second half of the 20th century. Negative summer temperature anomaly 2 years prior to a mast year, coupled with positive temperature anomaly in the year immediately preceding the same mast year, is a characteristic weather pattern associated with known mast years. Strong dependence of beech masting behaviour on temperature explains the high degree of regional synchronization of masting events. Growth of beech in southern Sweden is strongly and negatively correlated with previous year's summer temperature and positively - with previous year's October temperature. The present study does not provide a conclusive answer in identifying a full set of direct and indirect effects of climatic variables controlling tree-ring growth, since the negative effect of previous year's summer temperature may be a result of a temperature-controlled increase in the beech nut production in the current year. Consistent and significant negative departures of ring-width index during mast years support the hypothesis about a trade-off between investment of bioassimilates into production of beech nuts and tree-ring growth. Alternative explanation of growth anomalies in mast years, relating such anomaly to a negative impact of previous year's growing season, was not supported by the data. We found a limited effect of masting on diameter growth in the following years, indicating that decline in the overall wood production, associated with heavy masting, is short term and typically occurs in the year of actual masting. © 2010 Elsevier B.V. All rights reserved.

Shachnev V.A.,Moscow State Forest University
Mechanics of Solids | Year: 2010

In the framework of the linear theory of elasticity, an exact bending equation is obtained for the median plane of a plate whose material is a monoclinic system with the axis of symmetry perpendicular to the plate plane. As an example, the equation of the median plane of an isotropic plate is considered; the operator of this equation coincides with the operator of Sophie Germain's approximate equation. As the plate thickness tends to zero, the right-hand side of the equation is asymptotically equivalent to the right-hand side of the approximate equation. In addition, equations relating the median plane transverse stresses and the total stresses in the plate boundary planes to the median plane deflexions are obtained. © 2010 Allerton Press, Inc.

Panina L.V.,Moscow State Forest University
Urban Forestry and Urban Greening | Year: 2010

There are clear and commonly accepted design criteria for the construction of golf greens. Accordingly, top layers contain at least 90% sand, which often becomes water repellent. Drought is therefore common on golf greens and it may manifest itself as spots of wilted or dead turfgrass, known as localized dry spots (LDSs).The aims of the current paper are to review soil water repellency and localized dry spots on golf greens; and to study the turfgrass appearance regarding dependence of water repellency under the moderately continental climate in the Moscow region. The study was conducted during the growing seasons of 2007 and 2008 by Moscow State Forest University, Russia, in collaboration with Wageningen University, the Netherlands.Green 4 of the Moscow golf course was intensively studied. The texture of the top layer met the USGA, German and British specifications for golf greens. The organic matter content was also as desired. The low soil water content (down to 0.80%) in top 5-10. cm layer, high reference evapotranspiration and low amount of applied water in May and June of 2007 (2.52 against 1.20. mm/day) and of 2008 (2.41 against 1.73. mm/day), resulted in drought and LDS occurrence. Severe water repellency as determined by water drop penetration time (WDPT) test was found in the 5-10. cm depth (up to 1536. s). It decreased with depth (at depth 5-10. cm 33.3% of samples were strongly and 66.7% severely water repellent; at depth 20-25. cm 41.6% of samples were strongly and 41.6% slightly water repellent, and 16.8% were wettable). However, samples from the same depth from good areas (GAs) of the turf were also water repellent - at depth 5-10. cm all samples were slightly or strongly water repellent; at depth 20-25. cm 66.7% were non-repellent.In this study, the poorest turfgrass condition was found in plots with LDSs (the scores of turfgrass quality and living ground cover were lower than 5). A negative correlation was found between WDPT and turfgrass parameters (shoot density, living ground cover and turfgrass quality). A positive correlation between water content and shoot density was found. LDSs exhibited low shoot density (which did not exceed 20 per cm2 whereas in GA it exceeded 32 per cm2) and low water content (in the range 0.8-6.75% whereas in GA it was in the range 7.8-14.47%). This means that the reason of unacceptable turfgrass condition is related to water deficit and severity of water repellency. © 2010 Elsevier GmbH.

Ugolev B.N.,Moscow State Forest University
Wood Science and Technology | Year: 2014

The dominant feature of artificial smart materials is the "shape memory" effect. This phenomenon is based on frozen strains (FS). They were detected in wood fastened specimens during drying in the early 1960s. The integral law of wood deforming under loading and moisture content and/or temperature changes was subsequently formulated. This law takes into account the forming of FS. It was applied for the calculation of wood drying stresses. Stress memory and strain memory effects for wood were discovered. Wood has the ability to recollect the type of loading (tension or compression) which it had undergone. The difference between the free and restrained shrinkage is named "frozen shrinkage" (FSh). In calculations of drying stresses, it is more justified to use the FSh concept than "mechano-sorptive creep" (MSC). The MSC phenomenon is observed at cyclical change of moisture content in loaded wood. "Hygrofatigue" that reduces wood stiffness plays the main role in this process. © 2013 Springer-Verlag Berlin Heidelberg.

Gufeld I.L.,Russian Academy of Sciences | Novoselov O.N.,Moscow State Forest University
Doklady Earth Sciences | Year: 2016

The barrier-free seismic process in the subduction zone is considered. The Kurils–Kamchatka subduction zones are characterized by two major environments of oscillatory processes expressed in seismic events distributed long-term throughout the zone and concentrated short-term in a local regional area. The first environment is related to the background seismic process. The fast localization of processes confirms the idea of synchronous movement of regional environment components and is indicative of precatastrophic conditions in the zone. Diagnosis of precatastrophic conditions in the zone makes it possible to control the transition from the background seismic process to the short-term regime of the most likely very strong seismic events. A short-term forecast of the epicentral area of the strongest mega-seismic events in subduction zones is implemented. © 2016, Pleiades Publishing, Ltd.

Gufel'd I.L.,Russian Academy of Sciences | Novoselov O.N.,Moscow State Forest University
Doklady Earth Sciences | Year: 2015

The physics of seismic process in subduction is discussed with the case study of Kamchatka region being considered. Seismic process is not attributed to either cracking or rupturing. Hydrogen degassing controls variations in voluminous-stress state of the geomedium and such parameters of boundary structures as amorphization, texturization, and destruction. Both rapid and slow dynamic processes are controlled by the medium structure and by the parameters of boundaries; these processes are induced by strain autowaves related to reversible structural transformations of the medium at ascending diffusion of hydrogen. Seismic processes are related to rapid or slow disturbance of accommodation of the medium elements relative to each other. Owing to the properties of boundaries, this process runs in a non-barrier manner and has superplasticity features. The monitoring methods for media with active inner energy sources are proposed. Difference equations of system state evolution are used; these equations are derived and corrected from the measurements of structurally sensitive parameters (saying in more precise, seismic wave velocities). Equation of system state evolution, being derived in these dimensions, reflects the effects of interaction between object and medium. As a result of the study, monitoring of phase state of the geomedium is proposed to predict small probability of the strongest earthquakes during the controlled period. © 2015, Pleiades Publishing, Ltd.

Mandelshtam M.Y.,Russian Academy of Sciences | Petrov A.V.,Moscow State Forest University | Korotyaev B.A.,Russian Academy of Sciences
Entomological Review | Year: 2012

Based on the male genitalia structure, 3 subgenera are distinguished in the genus Thamnurgus: Thamnurgus s. str. (type species Thamnurgus euphorbiae Küster; the subgenus includes also Th. characiae and Th. varipes), Parathamnurgus subgen. n. (type species Thamnurgus caucasicus Reitter; includes also Th. armeniacus, Th. kaltenbachii, Th. brylinskyi, and Th. pegani) and Macrothamnurgus subgen. n. (type species Thamnurgus delphinii Rosenhauer; includes also Th. petzi and Th. rossicus). Thamnurgus s. str. comprises species with the aedeagus lacking supporting apical structures and with unbranched apophyses. In the two other subgenera the aedeagal apophyses are branched and the apical supporting structures are differently arranged. Species of Thamnurgus s. str. are associated exclusively with Euphorbiaceae, species of Macrothamnurgus, with Ranunculaceae, and those of Parathamnurgus, with plants of several families. A key to Palaearctic Thamnurgus species based on the external and genital characters is proposed. The host plants and distribution of some species are clarified. In the aedeagus structure, the Palaearctic Thamnurgus species clearly differ from the African Thamnurgus and also from the members of Taphronurgus, Cynanchophagus, Triotemnus, and Xylocleptes. Data on the male genital structure support generic distinctness of Thamnurgus, Taphronurgus and Xylocleptes. Lectotypes of Th. armeniacus Reitter, 1897, Th. brylinskyi Reitter, 1889, Th. characiae Rosenhauer, 1878, Th. declivis Reitter, 1897, Th. delphinii (Rosenhauer, 1856), Th. pegani Eggers, 1933, and Th. petzi Reitter, 1901 are designated. Thamnurgus jemeniae Schedl, 1975 is transferred to Xylocleptes, and Th. orientalis Schedl, 1978, to Pseudothamnurgus. Based on the endophallus characters, Thamnurgus ugandensis Nunberg, 1961 and Th. lobeliae Eggers, 1939 are considered to belong to a genus distinct from the Palaearctic Thamnurgus. © 2012 Pleiades Publishing, Ltd.

Tsvetkov V.E.,Moscow State Forest University | Zueva M.Y.,Moscow State Forest University
Polymer Science - Series D | Year: 2011

The results of investigating the effect of a modifying agent on the synthesis and properties of melamine formaldehyde impregnating resins are presented. © 2011 Pleiades Publishing, Ltd.

Poleshchuk O.,Moscow State Forest University
International Journal of Industrial and Systems Engineering | Year: 2011

This paper presents five methods developed to formalise the educational process data and to determine students' rating points and qualification levels taking into account their academic progress, as well as psychophysiological and personal characteristics. The novelty of these methods lies in the fact that the authors do not operate with the numerical values of the above-mentioned characteristics, but formalise them with the help of fuzzy sets. Fuzzy sets on the unified basis are being used to formalise data of the educational process that makes it possible to manipulate with them correctly and to get stable final results. Copyright © 2011 Inderscience Enterprises Ltd.

Evdokimov Y.M.,Moscow State Forest University | Fedorov M.S.,Moscow State Forest University
Polymer Science - Series D | Year: 2012

Destructive and nondestructive methods of control of adhesion strength in adhesive bonds are reviewed. © 2012 Pleiades Publishing, Ltd.

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