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Journal articles on the topic 'Front and rear region'

Author: Grafiati

Published: 3 July 2021

Last updated: 29 July 2025

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1

Zhou, Haiguang. "Wind Structure of a Subtropical Squall Line in China: Results from Dual-Doppler Radar Data." Advances in Meteorology 2016 (2016): 1–18. http://dx.doi.org/10.1155/2016/9059383.

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A subtropical squall line moved from Guangxi to Guangdong province in South China on 23-24 April 2007, which resulted in gale and heavy precipitation. The three-dimensional (3D) wind field of the squall line in its mature period was retrieved by Guangzhou-Shenzhen dual-Doppler data. The 3D conceptual model of this squall line was proposed. On the horizontal plane, the storm-relative front-to-rear inflow prevailed at the lower altitudes of the leading edge. The rear-to-front cold inflow in the stratiform region was observed below 3 km height, which enhanced the convergence in the convective reg

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Smith, Andrea M., Greg M. McFarquhar, Robert M. Rauber, et al. "Microphysical and Thermodynamic Structure and Evolution of the Trailing Stratiform Regions of Mesoscale Convective Systems during BAMEX. Part I: Observations." Monthly Weather Review 137, no. 4 (2009): 1165–85. http://dx.doi.org/10.1175/2008mwr2504.1.

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Abstract This study used airborne and ground-based radar and optical array probe data from the spiral descent flight patterns and horizontal flight legs of the NOAA P-3 aircraft in the trailing stratiform regions (TSRs) of mesoscale convective systems (MCSs) observed during the Bow Echo and Mesoscale Convective Vortex Experiment (BAMEX) to characterize microphysical and thermodynamic variations within the TSRs in the context of the following features: the transition zone, the notch region, the enhanced stratiform rain region, the rear anvil region, the front-to-rear flow, the rear-to-front flo

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Zhang, Chuanhai, Baojie Liu, Ming Qiu, Zhuyu Jiang, and Yan Hao. "Experimental and Numerical Research on End-Wall Flow Mechanism of High-Loading Tandem Stators." Applied Sciences 15, no. 3 (2025): 1014. https://doi.org/10.3390/app15031014.

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Tandem blades have been recognized for their potential to enhance the loading capacity of compressors. However, tandem stators currently do not exhibit advantages due to insufficient understanding of the complex end-wall flow mechanisms. To address this, an extensive study was conducted on tandem stators using experimental and numerical methods. The analysis focused on loss development, three-dimensional flow structures, and interaction mechanisms between front and rear blades. The results indicated the following: (1) The rear blade’s influence on the front blade has contrasting effects in mid

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Chen, Keji, Xiaofei Pei, Guocheng Ma, and Xuexun Guo. "Longitudinal/Lateral Stability Analysis of Vehicle Motion in the Nonlinear Region." Mathematical Problems in Engineering 2016 (2016): 1–15. http://dx.doi.org/10.1155/2016/3419108.

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We focus on the study of motion stability of vehicle nonlinear dynamics. The dynamic model combining with Burckhardt tire model is firstly derived. By phase portrait method, the vehicle stability differences of three cases, front wheels steering/four-wheel steering case, front/rear/four-wheel braking case, and high/low road friction case, are characterized. With the Jacobian matrix, the stable equilibrium point is found and stable areas are calculated out. Similarly, the stability boundaries corresponding to different working conditions are also captured. With vehicle braking or accelerating i

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Moon, Jiyong, and Seongsik Park. "Robust visual detection of brake-lights in front for commercialized dashboard camera." PLOS ONE 18, no. 8 (2023): e0289700. http://dx.doi.org/10.1371/journal.pone.0289700.

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The collision avoidance system (CAS) is an essential system for safe driving that alerts the driver or automatically applies the brakes in an expected situation of a vehicle collision. To realize this, an autonomous system that can quickly and precisely detect brake-lights of preceding vehicle is essential and this should works well in various environments for safety reason. Our proposed vision algorithm solves these objectives focusing on simple color features rather than a learning algorithm with a high computational cost, since our target system is a real-time embedded device, i.e., forward

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Volkova, Elena Yu, and Grigory Yu Volkov. "One victory for all: Kostroma Region – for Stalingrad." Vestnik of Kostroma State University 29, no. 1 (2023): 15–21. http://dx.doi.org/10.34216/1998-0817-2023-29-1-15-21.

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In this article, the authors showed for the first time that this victory was achieved by the efforts of everyone: a front-line soldier. Kostromichi fought in all military units in the ranks from soldier to marshal. Among them: Marshals A.V. Vasilevsky and A.A. Novikov, Army General M.V. Malinin, Tank Forces Major General N.A. Novikov, etc. Two Kostroma residents were awarded the title of Hero of the Soviet Union for their exploits in this battle. For many who received the title of Hero later, the battle on the Volga became a school of combat experience. The article examines what role the worke

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Rohaizar, Muhd Hatim, Suhaila Sepeai, Norasikin Ahmad Ludin, Mohd Adib Ibrahim, Kamaruzzaman Sopian, and Saleem H.Zaidi. "An Improved Efficiency by Surface Modification Using Pulse Laser for Partial Transparent Bifacial Solar Cell." Jurnal Kejuruteraan 32, no. 4 (2020): 715–21. http://dx.doi.org/10.17576/jkukm-2020-32(4)-22.

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Bifacial solar cell has symmetrical configuration contacts on front and rear surface that eliminate expansion mismatch, decrease metal usage and improves photon absorption. The limitation of the reflector at the back of bifacial solar panel able to be eliminated by developing special designed partially transparent bifacial solar cell to optimize light trapping on rear surface. Therefore, the partial transparent silicon (Si) wafers were developed to increase light transmission to rear surface. Surface modification on Si wafer was conducted to form partial transparent Si wafer. Surface modificat

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Harun, Zambri, Muhammad Syafiq, Mohd Rasidi Rasani, et al. "Skin Friction Coefficient and Boundary Layer Trend on UKM Aster i-Bond." Applied Mechanics and Materials 629 (October 2014): 450–55. http://dx.doi.org/10.4028/www.scientific.net/amm.629.450.

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This study concerns with aerodynamic drag on a passenger car. By using computational fluid dynamics (CFD) method, we found that values of skin friction coefficients for three different parts of the car: front, top and rear parts, are different. This study addresses three different basic possible flows around a car: favourable, zero and adverse pressure gradients. Generally, cars use approximately 20% of their engine power to overcome aerodynamic drag, which is generally proportional to the frontal area. The boundary layer at each position has been analyzed to ascertain the effect of wall shear

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Pinto, Paulo, Álvaro Pimpão Silva, Domingos Xavier Viegas, Miguel Almeida, Jorge Raposo, and Luís Mário Ribeiro. "Influence of Convectively Driven Flows in the Course of a Large Fire in Portugal: The Case of Pedrógão Grande." Atmosphere 13, no. 3 (2022): 414. http://dx.doi.org/10.3390/atmos13030414.

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The influence of a mesoscale convective system (MCS) in the evolution of two wildfires that started during the afternoon of 17 June 2017 in Pedrógão Grande, Central Portugal is discussed and analysed using weather radar data, weather stations, video images and fire spread analysis. As the MCS approached the region, its convectively driven flows started to influence the fires. The overturning flows were formed by two main limbs: one organised as front-to-rear deep layer inflows that propagated over the convective region of the MCS and the other as rear-to-front mid-level inflows that descended

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10

Lee, Bruce D., Catherine A. Finley, and Timothy M. Samaras. "Surface Analysis near and within the Tipton, Kansas, Tornado on 29 May 2008." Monthly Weather Review 139, no. 2 (2011): 370–86. http://dx.doi.org/10.1175/2010mwr3454.1.

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Abstract Data collected by a mesonet within the near-tornado environment and in the Tipton tornado on 29 May 2008 provided a rare opportunity to analyze rear-flank downdraft (RFD) outflow properties closely bounding a tornado and to characterize parcel thermodynamics being ingested into a tornado from the rear-flank downdraft. Parcels moving into the tornado on its right flank had very small negative buoyancy and considerable potential buoyancy. Measurements within and very near the tornado showed similar buoyancy characteristics to the storm inflow. Analyzed surface divergence and videographi

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Kirsanova, M. S., P. A. Boley, A. V. Moiseev, D. S. Wiebe, and R. I. Uklein. "3D structure of the H ii region Sh2-235 from tunable-filter optical observations." Monthly Notices of the Royal Astronomical Society 497, no. 1 (2020): 1050–58. http://dx.doi.org/10.1093/mnras/staa2004.

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ABSTRACT We present observations of the H α, H β, [S ii] λλ6716, 6731 and [N ii] λ6583 emission lines in the galactic H ii region Sh2-235 with the Mapper of Narrow Galaxy Lines (MaNGaL), a tunable filter at the 1-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences. We show that the H ii region is obscured by neutral material with AV ≈ 2−4 mag. The area with the highest AV is situated to the south-west from the ionizing star and coincides with a maximum detected electron density of ≳300 cm−3. The combination of these results with archive AKARI far-infrared da

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Tryakhov, Ilya S. "The sentiments of the population in Vladimir Region during the Great Patriotic War." RUDN Journal of Russian History 20, no. 4 (2021): 543–54. http://dx.doi.org/10.22363/2312-8674-2021-20-4-543-554.

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The article examines the mood of home front workers during the Great Patriotic War based on the materials of Vladimir region, a region that had its own specific features. The author draws attention to the change in the rear position of this territorial unit during the war. The sources for the analysis were archival documents, some of which are introduced into scientific circulation for the first time, as well as documents of a memoir and epistolary nature. The study of Soviet propaganda during the indicated period draws attention to the transition from predominantly internationalist to patriot

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Olguin-Olguin, Adan, Anne Aalto, Benoît Maugis, et al. "Chemokine-biased robust self-organizing polarization of migrating cells in vivo." Proceedings of the National Academy of Sciences 118, no. 7 (2021): e2018480118. http://dx.doi.org/10.1073/pnas.2018480118.

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To study the mechanisms controlling front-rear polarity in migrating cells, we used zebrafish primordial germ cells (PGCs) as an in vivo model. We find that polarity of bleb-driven migrating cells can be initiated at the cell front, as manifested by actin accumulation at the future leading edge and myosin-dependent retrograde actin flow toward the other side of the cell. In such cases, the definition of the cell front, from which bleb-inhibiting proteins such as Ezrin are depleted, precedes the establishment of the cell rear, where those proteins accumulate. Conversely, following cell division

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Kim, Jin Man, Minji Lee, Nury Kim, and Won Do Heo. "Optogenetic toolkit reveals the role of Ca2+sparklets in coordinated cell migration." Proceedings of the National Academy of Sciences 113, no. 21 (2016): 5952–57. http://dx.doi.org/10.1073/pnas.1518412113.

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Cell migration is controlled by various Ca2+signals. Local Ca2+signals, in particular, have been identified as versatile modulators of cell migration because of their spatiotemporal diversity. However, little is known about how local Ca2+signals coordinate between the front and rear regions in directionally migrating cells. Here, we elucidate the spatial role of local Ca2+signals in directed cell migration through combinatorial application of an optogenetic toolkit. An optically guided cell migration approach revealed the existence of Ca2+sparklets mediated by L-type voltage-dependent Ca2+chan

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Tetuev, Alim. "EVERYDAY LIFE OF STUDENTS AND WORKING YOUTH IN THE REAR DURING THE GREAT PATRIOTIC WAR (ON THE EXAMPLE OF KABARDINO-BALKARIA." History, Archeology and Ethnography of the Caucasus 19, no. 3 (2023): 719–31. https://doi.org/10.32653/ch193719-731.

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For the first time, on the basis of new archival documents and other sources, the features of the everyday life of students of institutions of higher and secondary vocational education and working youth in wartime conditions are studied using the example of Kabardino-Balkaria. The influence on the daily life of students of the restructuring of the work of educational institutions of vocational education in accordance with the requirements of wartime is revealed. The problems of educational and labor activity of students are revealed. The activities of working youth in helping the front are sum

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GARUCHAVA, D. P., I. G. MURUSIDZE, G. I. SURAMLISHVILI, N. L. TSINTSADZE, and D. D. TSKHAKAYA. "Interaction of a non-symmetric powerful laser pulse with a plasma." Journal of Plasma Physics 59, no. 1 (1998): 57–68. http://dx.doi.org/10.1017/s0022377897006107.

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The interaction of a powerful non-symmetric laser pulse with a plasma is studied. The non-symmetry is manifested in an abrupt cut-off of the rear edge of the laser pulse compared with its leading edge. At the same time, three qualitatively different regions are distinguished: the leading edge, the rear edge and the region behind the pulse, where it leaves a wake in the form of generated fields. An analytical solution has been found that defines the longitudinal accelerating field at the end of the rear edge. The results of numerical calculations confirm our physical point of view that the non-

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Vicente-Manzanares, Miguel, Margaret A. Koach, Leanna Whitmore, Marcelo L. Lamers, and Alan F. Horwitz. "Segregation and activation of myosin IIB creates a rear in migrating cells." Journal of Cell Biology 183, no. 3 (2008): 543–54. http://dx.doi.org/10.1083/jcb.200806030.

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We have found that MLC-dependent activation of myosin IIB in migrating cells is required to form an extended rear, which coincides with increased directional migration. Activated myosin IIB localizes prominently at the cell rear and produces large, stable actin filament bundles and adhesions, which locally inhibit protrusion and define the morphology of the tail. Myosin IIA forms de novo filaments away from the myosin IIB–enriched center and back to form regions that support protrusion. The positioning and dynamics of myosin IIA and IIB depend on the self-assembly regions in their coiled-coil

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Semenov, Sergey. "Between the Rear and the Front. Smolensk Railway Workers, Home Front Workers of the Great Patriotic War." Izvestia of Smolensk State University, no. 4 (56) (January 26, 2022): 216–31. http://dx.doi.org/10.35785/2072-9464-2021-56-4-216-231.

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he present article is devoted to Smolensk railwaymen’s career ladder in the 1941–1945s, their involvement in the evacuation, partisian struggle, fighting and restoration of the national economy. In addition, we consider the practice of award- ing railway workers with medals «For Valorous Labor in the Great Patriotic War, 1941–1945». The author of the article has set a goal to reconstruct the history of Smolensk railwaymen’s participation in the war on the basis of regional documents and to analyse their recognition as home front workers. The source database includes documents of th

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Romashets, E., M. Vandas, and S. Poedts. "Magnetic field disturbances in the sheath region of a super-sonic interplanetary magnetic cloud." Annales Geophysicae 26, no. 10 (2008): 3153–58. http://dx.doi.org/10.5194/angeo-26-3153-2008.

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Abstract. It is well-known that interplanetary magnetic clouds can cause strong geomagnetic storms due to the high magnetic field magnitude in their interior, especially if there is a large negative Bz component present. In addition, the magnetic disturbances around such objects can play an important role in their "geo-effectiveness". On the other hand, the magnetic and flow fields in the CME sheath region in front of the body and in the rear of the cloud are important for understanding both the dynamics and the evolution of the interplanetary cloud. The "eventual" aim of this work is to calcu

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Alkhateeb, Ahmed R., Wafaa Ismail Ibrahim, and Nasr Noori Al-Anbari. "The Effect of Location and Parity in The Body, Udder Conformation and Milk Production Traits in Buffaloes." IOP Conference Series: Earth and Environmental Science 923, no. 1 (2021): 012040. http://dx.doi.org/10.1088/1755-1315/923/1/012040.

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Abstract Seventy two adult lactating Iraqi buffaloes (Bubalus bubalis) were chosen randomly from two regions of Iraq, Baghdad (Abu Ghraib Ruminants Researches Station in the west of Baghdad, Iraq) and AL-Muthanna province (Alhilal township), during 2018/2019 lactating season. The effect of location and parity in the body, udder conformation and milk production traits were studied. The body conformation, body weight, udder measurements, and milk production traits were significant to high significant effected by both the location and the parity except there is the non-significant effect of locat

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Johnson, M. C., and E. M. Greitzer. "Effects of Slotted Hub and Casing Treatments on Compressor Endwall Flow Fields." Journal of Turbomachinery 109, no. 3 (1987): 380–87. http://dx.doi.org/10.1115/1.3262117.

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An experimental investigation was carried out to examine the influence of a rotating slotted hub treatment on a compressor stator passage endwall. Detailed mapping of the three-dimensional unsteady velocity field near the hub was done for a smooth hub and a hub having axial skewed slots. With the smooth wall, the velocity measurements indicate that a large region of blockage occurs near the rear of the blade passage. This blockage is seen to be associated with the hub endwall rather than either the suction surface or the pressure surface of the blade. With axial skewed slots, the blockage is m

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Akhmetov, Adilbek, Ravshan Botirov, and Mansur Amonov. "Wheeled tractor equipped with a mechanism for changing the ground clearance." E3S Web of Conferences 386 (2023): 03006. http://dx.doi.org/10.1051/e3sconf/202338603006.

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In accordance with the agricultural row-crops cultivation practices adopted in the Central Asian region, machine-tractor units carry out a large number of passes through the field during the growing season. Consequently, individual sections of the fields are repeatedly affected by the running systems of these machines, which negatively affects soil fertility. The universal row-crop tractors used in cotton production have two types of wheel arrangements: 3W2 and 4W2. Consequently, these arrangements have different natures and magnitude of impact on the soil. Despite a number of advantages of 4-

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Mariskin, Oleg I. "Daily life of the population of the USSR during the Great Patriotic War 1941–1945: based on the materials of the Atyashevsky district of the Mordovian ASSR." Economic History 16, no. 1 (2020): 84–90. http://dx.doi.org/10.15507/2409-630x.048.016.202001.084-090.

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Introduction. The article explores the daily life of the rear region during the Great Patriotic War of 1941–1945. The workers of the Atyashevsky district of the Mordovian ASSR, like all Soviet people, stood up for the Fatherland. The Great Patriotic war made fundamental changes in the way of life of the home front. Women, children, and old men who replaced men gone to the front often worked around the clock and slept in their workplaces. Results and Discussion. During the war, many types of agricultural work were performed manually. In the rear, food shortages caused difficulties in supplying

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KOPTELOVA, ANASTASIA S. "ARKHANGELSK DISTRICT OF VORONEZH REGION IN THE YEARS OF THE GREAT PATRIOTIC WAR." CASPIAN REGION: Politics, Economics, Culture 66, no. 1 (2021): 24–29. http://dx.doi.org/10.21672/1818-510x-2021-66-1-024-029.

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Today, the study of the history of the Great Patriotic War is of interest both for professional historians and for those interested in Patriotic history, which, in turn, is due to a number of socio-political factors. At the same time, despite the wide interest of modern Russian society and a narrow circle of specialists in this period, there is a problem of subjective perception of the history of the Great Patriotic War. The purpose of the study is the Arkhangelsk district of the Voronezh region during the Great Patriotic War as a rear area. The scientific novelty of this article lies primaril

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Mion, Renildo Luiz, Virginia Pires Pereira, Webert Alan Sombra, Karla Lúcia Batista Araújo, and Silvia Ferreira da Silva. "MECHANICAL PROPERTIES OF AN ALFISSOL SUBMITTED TO AGRICULTURAL MACHINERY TRAFFIC IN A SEMIARID REGION IN BRAZIL - DOI: 10.13083/1414-3984.v22n06a05." REVISTA ENGENHARIA NA AGRICULTURA - REVENG 22, no. 6 (2014): 543–51. http://dx.doi.org/10.13083/reveng.v22i6.412.

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The load carrying capacity of the soil can be determined from preconsolidation curves, being sensitive to the variation of loads and extremely sensitive to changes in soil moisture. For this study, the water content in soil was 2.50% and 10.58% for the layer from 0 to 0.15 m. Soil samples were collected before and after traffic with one and two passes of a tractor weighing 7100 kg, equipped with 14.4-24 R1 bias tires on the front with inflation pressure of 82.74 kPa and 18.9-34 R1 rear tires with inflation pressure of 96.53 kPa, and a tire ground contact area of 0.11 m2 and 0.13 respectively f

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Gurevich, V. S. "Jewish Autonomous Region in the Great Patriotic War: at the front and in the rear." REGIONAL PROBLEM 28, no. 1 (2025): 70–75. https://doi.org/10.31433/2618-9593-2025-28-1-70-75.

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The passing of time will never erase from the memory of generations the years of the Great Patriotic War. The further from us are those events, the more evident appears the military and labor feat of the Soviet people, who defended in a brutal single combat not only their own freedom and independence, but also saved the world from destruction and fascist barbarity. The Great Patriotic War of 1941–1945 was the most severe test for the Soviet state. The Jewish Autonomous region, as well as the whole Soviet Far East, served as the rear in that war with Nazi Germany. But any day, it could become a

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Yu, Cheng-Ku, and Chia-Lun Tsai. "Structural and Surface Features of Arc-Shaped Radar Echoes along an Outer Tropical Cyclone Rainband." Journal of the Atmospheric Sciences 70, no. 1 (2013): 56–72. http://dx.doi.org/10.1175/jas-d-12-090.1.

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Abstract This study uses ground-based dual-Doppler radar and surface observations to document the structural and surface features of the arc-shaped radar echoes (ASREs) evident along an outer rainband of Typhoon Longwang as it approached northern Taiwan on 1 October 2005. The particular aim of this study is to explore the possible distinction between the present case, previously documented tropical cyclone rainbands (TCRs), and squall lines. The dual-Doppler-derived fields show that the leading precipitation of the studied ASREs exhibited a convective nature with a sharp horizontal gradient of

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Kalligul, Tangirbergenova. "THE HISTORICAL CONTRIBUTION OF THE KARAKALPAK PEOPLE TO THE VICTORY OVER FASCISM." CURRENT RESEARCH JOURNAL OF HISTORY 04, no. 05 (2023): 30–33. http://dx.doi.org/10.37547/history-crjh-04-05-06.

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The article examines the heroic work and patriotism of the Karakalpak people in the victory in the Second World War. Among other eastern regions of the country, the republic represented a solid rear base, the main task of which was to mobilize internal resources to meet the needs of the front. The main focus here was mainly on expanding the production of products for front-line and rear needs through the use of local sources of raw materials.

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Wang, Yu. "Numerical study of hydrodynamics and thermal characteristics of heat exchangers with delta winglets." Thermal Science 24, no. 1 Part A (2020): 325–38. http://dx.doi.org/10.2298/tsci180330254w.

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The comprehensive performance of heat exchangers is represented by the maximum thermal transfer, the minimum pressure loss, and the smallest pumping power. In recent years, the application of longitudinal vortex generators is developed as an effective technique and important research topic, which could increase the heat transfer enhancement of compact heat exchangers. A 3-D CFD numerical simulation is successfully carried out on thermohydraulic characteristics of the fin-and-tube compact heat exchanger with new types of vortex generators. The effects of six different arrangement of delta wingl

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Garvin, J. L., R. Robb, and S. A. Simon. "Spatial map of salts and saccharides on dog tongue." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 255, no. 1 (1988): R117—R122. http://dx.doi.org/10.1152/ajpregu.1988.255.1.r117.

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Front and rear regions of dog tongue were tested for spatial heterogeneity with respect to monovalent chloride salts (NaCl, KCl, and NH4Cl) and sweet tastants (sucrose, D-glucose, and L-glucose) by placing them in Ussing chambers where the open-circuit potential, Voc, and short-circuit current, Isc, were measured. The responses of Voc and Isc to 0.5 M NaCl were greater in the front of the tongue than in the rear, whereas the responses of Voc and Isc to 0.5 M sucrose were greater in the rear of the tongue than in the front. These results are similar to those of published neurophysiological meas

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Ikmal Maulana, Adiva Nuris Safira, Islakhul Nailil Umami, Anisa Fitri, and Feyza Rizqia Ramadhani. "Utilization of Optical Fibers as Displacement Sensors." Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan 2, no. 2 (2024): 199–208. http://dx.doi.org/10.61132/globe.v1i2.339.

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An experiment examined micrometer shifts in optical fibers to understand sensor characteristics: range, linearity, sensitivity, and resolution. Findings showed voltage output decreases with fiber length. The fiber coupler sensor's range was 2 mm, and the fiber bundle sensor's was 25 mm.While not perfectly linear, the study identified operational ranges using y = ax + n. The fiber bundle had two linear regions: Front Linear (0.2-1.6 mm) with R² = 0.9918 and Rear Linear (2.3-8.3 mm) with R² = 0.977. The fiber coupler's linear trend spanned 0.3-2.1 mm with an R² of 0.944. Sensitivity was 4668.5 V

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Chen, Qian, Yang Li Huan, Qi Zhi Peng, Yang Cong Xin, and Niu Chen Hui. "Flow mechanism and axial force distribution characteristics of multistage pump cavity." Science Progress 105, no. 4 (2022): 003685042211455. http://dx.doi.org/10.1177/00368504221145575.

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The gap leakage between the impeller ring leads to the change of the pump cavity flow characteristics, resulting in the uneven pressure distribution of shroud, which causes the axial force of the cavity to change. In this paper, the flow in the front and the rear cavity of the multistage centrifugal pump was taken as the research object. Through the numerical method, the radial flow velocity, the leakage flow size and its direction, the core zone rotation factor of the front and the rear cavity of the multistage pump impeller at all stages and the axial force of pump cavity were studied. The r

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Vorontsov, Roman S., and Vladimir V. Korovin. "Archival Documents on the Impact of the Great Patriotic War on the State of the Sugar Industry Factories: Materials of the Kursk Region." Herald of an archivist, no. 2 (2020): 578–89. http://dx.doi.org/10.28995/2073-0101-2020-2-578-589.

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The article draws on archival sources on the activities of regional authorities in regulation of economic relations under wartime conditions to discuss problems in organizing production activities of sugar enterprises of the Kursk region. Although there are some works on the history of the industrial production development during the Great Patriotic War on the all-Union, republican, and regional levels, which take into account all modern achievements of historical science and development of the source base, the impact of the war on the state of individual branches of food industry supplying th

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Ramaniuk, Olga, Zuzana Klímová, Tomáš Groušl, and Tomáš Vomastek. "Quantitative Phase Imaging of Spreading Fibroblasts Identifies the Role of Focal Adhesion Kinase in the Stabilization of the Cell Rear." Biomolecules 10, no. 8 (2020): 1089. http://dx.doi.org/10.3390/biom10081089.

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Cells attaching to the extracellular matrix spontaneously acquire front–rear polarity. This self-organization process comprises spatial activation of polarity signaling networks and the establishment of a protruding cell front and a non-protruding cell rear. Cell polarization also involves the reorganization of cell mass, notably the nucleus that is positioned at the cell rear. It remains unclear, however, how these processes are regulated. Here, using coherence-controlled holographic microscopy (CCHM) for non-invasive live-cell quantitative phase imaging (QPI), we examined the role of the foc

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KRYVAROT, A. "SMOLENSK PARTISAN FORMATIONS ON THE TERRITORY OF VITEBSK REGION (1942 – 1944): ORGANIZATIONAL AND COMBAT ASPECT." Herald of Polotsk State University. Series A. Humanity sciences 66, no. 1 (2023): 70–75. http://dx.doi.org/10.52928/2070-1608-2023-66-1-70-75.

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The article highlights the organizational and combat activities on the territory of the Vitebsk region of Smolensk partisans sent to the region to deploy an armed struggle against the German occupiers in 1942-1944. Examples of joint actions of Vitebsk and Smolensk partisans to create detachments and brigades and the participation in this of the Vitebsk regional committee of the КP(b)b and the command of the 4th shock army of the Kalinin front are given. It is shown that in 1942 the main place of partisan interaction was the enemy’s rear facilities on the Belarusian territory in the triangle of

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Baranov, V. V., and A. S. Berkutov. "New tasks of the Police in the years the Great Patriotic war." Economic and Socio-Humanitarian Studies, no. 3(31) (September 30, 2021): 160–69. http://dx.doi.org/10.24151/2409-1073-2021-3-160-169.

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The new tasks assigned to the militia bodies during the Great Patriotic War, related to strengthening the rear and assistance to the front, are considered. The role of the militia in the evacuation of large enterprises of the military and basic industries to the eastern regions of the country, in maintaining public order in cities under siege, in organizing a pass system for travel by rail and water transport and arresting criminal elements and deserters is shown. The specific tasks of the militia bodies to strengthen the rear and assist the front are revealed.

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Frame, Jeffrey, and Paul Markowski. "Dynamical Influences of Anvil Shading on Simulated Supercell Thunderstorms." Monthly Weather Review 141, no. 8 (2013): 2802–20. http://dx.doi.org/10.1175/mwr-d-12-00146.1.

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Abstract Numerical simulations of supercell thunderstorms including parameterized radiative transfer and surface fluxes are performed using the Advanced Regional Prediction System (ARPS) model to investigate how low-level air temperature deficits within anvil shadows affect the simulated storms. The maximum temperature deficits within the modeled cloud shadows are 1.5–2.0 K, which is only about half that previously observed. Within the shadows, the loss of strong solar heating cools and stabilizes the near-surface layer, which suppresses vertical mixing and modifies the near-surface vertical w

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Kaasik, Peeter. "Hävituspataljonidest Eestis 1941. aasta sõjasuvel [Abstract: The Destruction Battalions in Estonia in the Summer War of 1941]." Ajalooline Ajakiri. The Estonian Historical Journal 167, no. 1 (2019): 3–36. http://dx.doi.org/10.12697/aa.2019.1.01.

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Abstract: The Destruction Battalions in Estonia in the Summer War of 1941 A state of war was declared in the western regions of the Soviet Union on 22 June 1941. This did not in any case mean only purely military operations. The safeguarding of security in the rear was considered extremely important. On 25 June 1941, the Union-wide Communist Party (CPSU) Central Committee Politburo adopted the decision ‘On the tasks in the rear of front-line forces’, which placed all agencies and units of the People’s Commissariat for Internal Affairs and State Security (NKVD and NKGB) under the command

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Nagarjuna, Reddy Mudem, and P. Jani S. "Modelling and Simulating the Effect of Sunlight Heat on Front Bumpe." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 2 (2019): 548–54. https://doi.org/10.35940/ijeat.B3282.129219.

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In this speeding modern world, it became a necessity to have at least one car for every family. There often comes the time when the car has to be parked in an open area due to space or parking unavailability. During daytime, the sunlight heat causes the car’s exterior parts to get heated. Especially the summer heat in India is unbearable. The temperature rises too high that the stationery car’s exterior parts can reach the temperature of 90°C (Considering the car is stationery for over a period of time). The parts of the car that are exposed to sunlight heat are Hood, Front and

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Liu, Quan Ming. "Study on Numerical Simulation of Fully Mechanized Top Coal’s Caving Property of Tang Gong Ta Coal Mine." Advanced Materials Research 1094 (March 2015): 410–14. http://dx.doi.org/10.4028/www.scientific.net/amr.1094.410.

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Using numerical simulation method,fully mechanized top coal’s caving property of Tang gong ta coal mine was studied.The results show at primary mining period of fully mechanized working face, there were stress concentration regions at the front and rear of coal wall,but it was not distinct in the front and top coal’s caving property was not ideal.When it advanced to 84m of the working face,there would be obvious peak stress at the front and rear of coal wall. It accelerated top coal’s caving.When it advanced to 140m of the working face,top coal was caved with coal mining.Finally it was proved

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Yam, Patricia T., Cyrus A. Wilson, Lin Ji, et al. "Actin–myosin network reorganization breaks symmetry at the cell rear to spontaneously initiate polarized cell motility." Journal of Cell Biology 178, no. 7 (2007): 1207–21. http://dx.doi.org/10.1083/jcb.200706012.

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We have analyzed the spontaneous symmetry breaking and initiation of actin-based motility in keratocytes (fish epithelial cells). In stationary keratocytes, the actin network flow was inwards and radially symmetric. Immediately before motility initiation, the actin network flow increased at the prospective cell rear and reoriented in the perinuclear region, aligning with the prospective axis of movement. Changes in actin network flow at the cell front were detectable only after cell polarization. Inhibition of myosin II or Rho kinase disrupted actin network organization and flow in the perinuc

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Tuzova, Olga Vladimirovna. "Regional musical culture management in 1939-1945 (on materials of the Volga Region)." Samara Journal of Science 6, no. 1 (2017): 139–42. http://dx.doi.org/10.17816/snv201761212.

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The paper deals with some problems of musical institutions management in the Volga Region in 1939 1945 on the example of 8 musical cultural models of rear, frontal and front-line types: Kuibyshev, Ulyanovsk, Penza, Saratov, Engels, Kazan, Stalingrad, Astrakhan. The author reconstructs the structure and functional complex of the management component, describes the responsibilities of the commissioners of Performances and Repertoire Control Main Department at different levels and detects the role of the Communist party in the music management of the region. The author notes instability and incom

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Strelnikov, Vladimir V. "Murmansk region, 1941 in the "Diary of war" by M.I. Starostin." Transaction Kola Science Centre 11, no. 6-2020 (2020): 153–63. http://dx.doi.org/10.37614/2307-5252.2020.6.19.012.

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The diary entries of the party leader of the war years -the first secretary of the Murmansk regional committee of the CPSU (b), Maxim Ivanovich Starostin, are considered. Special attention is paid tothe records reflecting the administrative and economic aspects of the regional leadership activities, so as military everyday life of the city Murmansk in 1941.The main problems that the regional administration dealt with at the initial stage of the military clash between Germany and the USSR are highlighted. The leadership was intensively and regularly engaged in mobilizing regional resources, sta

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Rafiqi Daniel Ramadhan Mariaprakasam, Shabudin Mat, Pakharuddin Mohd Samin, Norazila Othman, Mastura Ab Wahid, and Mazuriah Said. "Review on Flow Controls for Vehicles Aerodynamic Drag Reduction." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 101, no. 1 (2023): 11–36. http://dx.doi.org/10.37934/arfmts.101.1.1136.

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Reducing aerodynamic drag in automobiles has been one of the focuses in automotive industry as it will increase vehicles performance and reduce power consumption which subsequently save the environment. Drag is a force that tend to pull the vehicle backwards. Pressure drag is the major contributor to drag of vehicle which caused by lower pressure in the rear area compared to front of vehicle. When vehicle moves forward, the stagnation point occurs in the front part of vehicle. The airflow then goes over the vehicle and separate at the back due to adverse pressure gradient. Thus, flow separatio

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Takahashi, Masayuki. "Coupling Simulation on Two-dimensional Axisymmetric Beaming Propulsion System." Journal of Physics: Conference Series 2207, no. 1 (2022): 012047. http://dx.doi.org/10.1088/1742-6596/2207/1/012047.

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Abstract A two-dimensional (2D) axisymmetric fluid modeling for plasma dynamics was coupled with an electromagnetic wave propagation to capture the electromagnetic wave and plasma structures on the microwave-driven in-tube accelerator (MITA) concept. The electromagnetic wave injected into a waveguide was focused on at the vehicle’s rear side through reflection processes by the front mirror and the waveguide. An overcritical plasma was created at the high-intensity electric field region because of enhancement of an electron-impact ionization. The incident microwave was reflected by the plasma w

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Li, Han Yang, Ying Dai, and Xiao Fei Lyu. "Application of Carbon Fiber Reinforced Composites on Lightweight Design of Articulated Platform." Materials Science Forum 921 (May 2018): 85–90. http://dx.doi.org/10.4028/www.scientific.net/msf.921.85.

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For the purpose of weight saving, the heavy metal articulated platform, which is used in Bus Rapid Transit (BRT) vehicles to connect the front and rear compartments, is replaced with carbon fiber composite material. Composites articulated plates are designed based on the requirements of shape, size, positioning, connection and load of steel articulated platform. Optimization design is applied to high stress region in the articulated plates to provide references for the improvement and lightweight design of the articulated platform.

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Bi, Haiquan, Zhihua Wang, Honglin Wang, and Yuanlong Zhou. "Aerodynamic phenomena and drag of a maglev train running dynamically in a vacuum tube." Physics of Fluids 34, no. 9 (2022): 096111. http://dx.doi.org/10.1063/5.0104819.

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A maglev train can run at supersonic speed in a vacuum tube, and its transient state makes the airflow around it more complex. Therefore, to assist vacuum tube train studies, a flying model test platform is under construction. Using a model flying at the same speed as a real train, this test platform ensures that the airflow around the model is more consistent with the real state. Based on the test platform, a vacuum tube train model is established. Then, aerodynamic characteristics of the vacuum tube train during the acceleration, uniform motion, and deceleration processes are studied, and th

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Yudianto, Aan. "Application of Multi-objective Adjoint-based Aerodynamic Optimisation on Generic Road Vehicle with Rear Spoiler." Automotive Experiences 7, no. 1 (2024): 28–47. http://dx.doi.org/10.31603/ae.10577.

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Finding possible solutions where there are multiple conflicting objectives to be simultaneously satisfied is a challenging situation. Multi-objective optimisation of a rear spoiler on a generic road vehicle model is carried out by using adjoint-based optimisation coupled with Computational Fluid Dynamics. The study aims to reduce the vehicle drag and increase vehicle downforce simultaneously by optimising the shape of the spoiler, by allowing the deformation to achieve the most optimised shape assuming no manufacturing constraint. The OpenFOAM software was used for the solver. A strategy for m

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Chu, Hai, Mengjuan Liu, Leiming Ma, Xuwei Bao, Lanjun Zou, and Jiakai Zhu. "Impact of Explicitly Parameterized Mid-to-Low Level Latent Heating on the Simulation of a Squall Line in South China." Water 15, no. 9 (2023): 1743. http://dx.doi.org/10.3390/w15091743.

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Organized mesoscale convective systems (MCSs), such as squall lines, are often poorly forecasted in numerical weather prediction models. In this study, experiments are performed to show that the vertical distribution of latent heating (LH) plays an important role in organizing a trailing-stratiform (TS) squall line over South China. We investigated the impact of modifying the altitude of LH peaking around 2–5 km on the squall line. It is found that increasing LH peaking at a lower vertical level (around 2–3 km) is crucial for the simulation of the TS squall line by influencing the evolution of

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Golubinov, Iaroslav. "British “Devil of Destruction” in Romania: Norton-Griffiths’s Mission and Demolition of Oilfields in Ploiești Region in 1916." ISTORIYA 15, no. 3 (137) (2024): 0. http://dx.doi.org/10.18254/s207987840031112-2.

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The First World War demonstrated that the armed conflicts of the twentieth century were primarily a war of technology. However, it turned out to be technology not only directly at the front (e. g., tanks or aeroplanes), but also technology in the rear, at industrial enterprises. The fronts passed through the industrialised areas of Western and Eastern Europe. In the course of hostilities, the destruction of industrial facilities in order to prevent their use by the enemy became one of the goals of military operations. Among the latter, an operation conducted by a detachment under the command o

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