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Journal articles on the topic 'Area solved'

Author: Grafiati

Published: 28 June 2021

Last updated: 15 February 2022

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1

Bosák, Lukáš, and Milan Palko. "Energy Saving Building in Mountain Area." Advanced Materials Research 1057 (October 2014): 27–34. http://dx.doi.org/10.4028/www.scientific.net/amr.1057.27.

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The main intention of this report is solution of energy-saving building in mountain area, which uses the resources of the natural environment. It is the building of the mountain hotel in this concrete case. Firstly, there is solved the energy concept of the building which uses natural resources. There is also described the design of a building, which is designed in an overwhelming majority as a wooden building. The constructions are handled with an aspect of their thermal properties. There has been solved the thermal analysis of the major structural compositions. The connections between compos

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Rymarczyk, Tomasz, and Przemysław Adamkiewicz. "NONDESTRUCTIVE METHOD TO DETERMINE MOISTURE AREA IN HISTORICAL BUILDING." Informatics Control Measurement in Economy and Environment Protection 7, no. 1 (2017): 68–71. http://dx.doi.org/10.5604/01.3001.0010.4586.

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This paper presents a nondestructive method of brick wall dampness testing in real building structures. The proposed algorithm was used to determine the moisture of test brick walls on the specially models. The finite element method has been used to solve the forward problem. The algorithm is initialized by using one step methods and topological sensitivity analysis. There was constructed the forward model and solved the inverse for visualization of moisture inside objects.

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Di, Li Ming, Chun Jing Yang, and Yong Sheng Zhao. "Mathematical Model for Closed-Form Solution of Parameters of Cylinder Exhaust Port in Variable-Stroke Engine." Advanced Materials Research 97-101 (March 2010): 2724–27. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.2724.

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A mathematical model for getting the closed-form solution of main parameters of cylinder exhaust port is present, based on a few known parameters of variable-stroke engine (VSE). Considering lack of parameters in the initial stage of design, empirical formula is applied to solve the initial specific time-area value of exhaust port, and the initial port timing angle is solved by using logarithmic alignment method, thereby height and width of the exhaust port can be solved, then the precise specific time-area value and port timing angle are solved by using the coefficient calculation method and

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Hicks, James E., and Mounir M. Abdel-Aal. "Maximum Likelihood Estimation for Combined Travel Choice Model Parameters." Transportation Research Record: Journal of the Transportation Research Board 1645, no. 1 (1998): 160–69. http://dx.doi.org/10.3141/1645-20.

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Equilibrium models of combined location and travel choices solve for the modal link flow pattern, which simultaneously solves a constrained minimization problem and satisfies a set of equilibrium conditions characterizing a rational behavior for traveler choices in an urban transportation system. The minimization problem typically is made to be representative of the particular urban area being studied by including coefficients of travel costs and travel choices that have been estimated from locally available observed data. For large urban areas, in practice, it is possible to derive interzonal

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Zemanek, Holger. "COMPETITIVENESS WITHIN THE EURO AREA: THE PROBLEM THAT STILL NEEDS TO BE SOLVED." Economic Affairs 30, no. 3 (2010): 42–47. http://dx.doi.org/10.1111/j.1468-0270.2010.02020.x.

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Narasimhan, Harikrishna, and Shivani Agarwal. "Support Vector Algorithms for Optimizing the Partial Area under the ROC Curve." Neural Computation 29, no. 7 (2017): 1919–63. http://dx.doi.org/10.1162/neco_a_00972.

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The area under the ROC curve (AUC) is a widely used performance measure in machine learning. Increasingly, however, in several applications, ranging from ranking to biometric screening to medicine, performance is measured not in terms of the full area under the ROC curve but in terms of the partial area under the ROC curve between two false-positive rates. In this letter, we develop support vector algorithms for directly optimizing the partial AUC between any two false-positive rates. Our methods are based on minimizing a suitable proxy or surrogate objective for the partial AUC error. In the

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Lobaty, A. A., Y. F. Yatsyna, V. Y. Stepanov, and A. Y. Bumai. "Probabilistic analysis of getting into in restricted area by unmanned aerial vehical." «System analysis and applied information science», no. 4 (December 30, 2019): 46–54. http://dx.doi.org/10.21122/2309-4923-2019-4-46-54.

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The probabilistic analysis of crossing by an unmanned aerial vehicle (UAV) of the boundary of the no-fly area is solved. Condition of stating of the fact of the violation of the boundary of the restricted area is to stand of UAV within the area during a specified time. The substantiation of the mathematical model to research through linearized vector stochastic equation is carried out. The problem is solved by applying the theory of Markov processes of random structure with absorption of realizations at the boundary of a given area. Particularity of the approach is the contemporaneously consid

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KRAMAR FIJAVŽ, MARJETA, MITJA LAKNER, and MARJETA ŠKAPIN RUGELJ. "AN EQUAL-AREA METHOD FOR SCALAR CONSERVATION LAWS." ANZIAM Journal 53, no. 2 (2011): 156–70. http://dx.doi.org/10.1017/s1446181112000065.

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AbstractWe study the one-dimensional conservation law. We use a characteristic surface to define a class of functions, within which the integral version of the conservation law is solved in a simple and direct way. A simple algorithm for computing the unique solution is developed. The method uses the equal-area principle and yields the solution for any given time directly.

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Ma, Dian Guang, Xin Liu, Jia Qiang Zhao, Xiao Fei Liu, and Shao Xi Li. "The Research of Navigation Flow Conditions and Improvement Measures on Entrance Area and Connecting Reach of Dahua Lock in Hongshui River." Advanced Materials Research 250-253 (May 2011): 3624–29. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.3624.

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The ship facilities didn’t be constructed in step with the construction of Dahua Terminal in Hongshui River of Guangxi province, while the argumentation didn’t be carried out when navigation lock was built out. In the condition above, when the navigation lock was completed, the navigation flow conditions in the entrance area of downstream and the linkage section was bad, so ships were difficult to enter the approach channel. The research of navigation flow conditions and nay navigation mechanism in the entrance area of downstream and the linkage section in current condition was implemented thr

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Wang, Shuaian, Ran Yan, Lingxiao Wu, and Dong Yang. "Optimal re-allocation of mooring areas for yachts." Maritime Business Review 4, no. 1 (2019): 94–105. http://dx.doi.org/10.1108/mabr-11-2018-0045.

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Purpose The purpose of this study is to propose a mathematical optimization model to solve the yacht mooring area re-allocation problem (YMARP). The objective of the problem is to allow the maximum number of yachts to be moored at their ideal mooring areas. Design/methodology/approach In this paper, the YMARP is introduced, formally defined and discussed. The authors develop a 0-1 integer programing optimization model for the problem, which can be solved efficiently using off-shelf solvers. The performance of the model is tested on extensive numerical experiments. Findings The results of the n

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Wei, Qing, and Hong Yan Ma. "The Dividing Area Control of Lighting System." Applied Mechanics and Materials 330 (June 2013): 587–91. http://dx.doi.org/10.4028/www.scientific.net/amm.330.587.

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The lighting system is an integral part of the whole building. Lighting control system is an important part of the lighting system and lighting design. As increasingly severe of the energy issues, energy saving has become one of the problems to be solved in the lighting control system. This paper takes a normally used office as an example. Control the blinds and the lamps in the office reasonably. On the premise of the full use of daylight, make the office achieve the most comfortable illumination by using artificial lighting supplies.

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Onikienko, V. V., and L. M. Yemelyanenko. "Nation social capital: methodological problems of the economic interaction area study." Ukrainian Society 30, no. 3 (2009): 72–82. http://dx.doi.org/10.15407/socium2009.03.072.

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In the article the challenging methodological problems concerning determination of socioeconomic content of the nation’s social capital category, development of methodological principles and logically structured scheme devoted Ukraine’s up-to-date social capital in context of economical interaction spheres research shaping are solved.

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Korytárová, J., and V. Hromádka. "Assessment of the flood damages on the real estate property in the Czech Republic area." Agricultural Economics (Zemědělská ekonomika) 56, No. 7 (2010): 317–24. http://dx.doi.org/10.17221/56/2010-agricecon.

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The problem of floods can be solved by investment activities in the form of the flood protection measures or by the potential liquidation of damages after the flood. In the frame of the solved grant projects, there was developed the basic methodology for the losses on the immovable property in the territory assessment and consequently the database of input data for its use. The output of the described methodology enables the comparison of the potential losses on immovable property with the investment costs for the flood protection measures. In order to be able to estimate the occurred losses,

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Lauritzen, Peter H., Eigil Kaas, and Bennert Machenhauer. "A Mass-Conservative Semi-Implicit Semi-Lagrangian Limited-Area Shallow-Water Model on the Sphere." Monthly Weather Review 134, no. 4 (2006): 1205–21. http://dx.doi.org/10.1175/mwr3115.1.

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Abstract A locally mass conservative shallow-water model using a two-time-level, semi-implicit, semi-Lagrangian integration scheme is presented. The momentum equations are solved with the traditional semi-Lagrangian gridpoint form. The explicit continuity equation is solved using a cell-integrated semi-Lagrangian scheme, and the semi-implicit part is designed such that the resulting elliptic equation is on the same form as for the traditional semi-Lagrangian gridpoint system. The accuracy of the model is assessed by running standard test cases adapted to a limited-area domain. The accuracy and

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Crowe, Kevin, John Nelson, and Mark Boyland. "Solving the area-restricted harvest-scheduling model using the branch and bound algorithm." Canadian Journal of Forest Research 33, no. 9 (2003): 1804–14. http://dx.doi.org/10.1139/x03-101.

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There are two broad approaches to the discrete optimization problem of harvest scheduling with adjacency constraints: the unit-restricted model and the area-restricted model. In this paper two formulations of the area-restricted model are solved using the branch and bound algorithm. These formulations are tested on a set of approximately 30 tactical planning problems that range in size from 346 to 6093 polygons scheduled over three time periods. Our results show that these formulations can be used to solve small- and medium-sized harvest-scheduling problems optimally, or near-optimally, within

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Armstrong, Barbara E., and Carol Novillis Larson. "Students' Use of Part-Whole and Direct Comparison Strategies for Comparing Partitioned Rectangles." Journal for Research in Mathematics Education 26, no. 1 (1995): 2–19. http://dx.doi.org/10.5951/jresematheduc.26.1.0002.

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Thirty-six students, twelve each at the fourth-, sixth-, and eighth-grade levels, were asked to solve 21 comparison-of-area tasks during a clinical interview. The areas were partitioned and shaded so that the tasks could be solved by using rational number knowledge. The types of strategies students used to compare the areas were identified and classified into categories. Initially, fractional terms and symbols were not introduced into the tasks in order to compare the types of strategies students used without and with symbols introduced. Most students tended to ignore the part-whole relationsh

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Guo, Qiang, Kai He, Hengyuan Xu та Youyi Wen. "The research on precise forming technology of “λ” type composite skin". Composites and Advanced Materials 30 (1 січня 2021): 263498332199474. http://dx.doi.org/10.1177/2634983321994749.

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With the application of “ λ” type composite skin becoming more and more extensive and diversified, its precise forming technology is also widely concerned. This article mainly solves the quality problems of “ λ” type corner area, such as delamination dispersion and surface wrinkle, which exist in reality commonly in the manufacturing process. The prepreg is heated along the corner area of the tooling to solve the problem that prepreg is difficult to be compacted due to the large modulus of carbon fiber in “ λ” type corner area. Furthermore, two precompaction tests are creatively increased at 1

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Oladejo, K. A., D. A. Adetan, and O. A. Bamiro. "A Software Tool for Determining Steady-State Temperature Distributions in a Square Domain by the Finite-Difference Method." International Journal of Mechanical Engineering Education 35, no. 4 (2007): 305–15. http://dx.doi.org/10.7227/ijmee.35.4.5.

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This paper presents the development of an interactive program (called SSTDD) to solve two-dimensional conduction heat transfer equations in a square domain using the finite-difference method. The development of the tool (based on a computer-aided design package), on a Visual BASIC 6.0 platform, involved the application of the heat transfer equations and the appropriate boundary conditions to a square domain. The finite-difference method was used to express the elliptic differential equation in a form suitable for numerical solution. The system of linear equations generated was solved by the Ga

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Wu, Peng Cheng, Fang Chen Xia, and Hai Ning Tu. "The Free-Form Surface Five-Axis Machining Global Interference Detection and Adjustment of Cutter Shaft." Advanced Materials Research 393-395 (November 2011): 1550–53. http://dx.doi.org/10.4028/www.scientific.net/amr.393-395.1550.

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Proposed a construction method of visual cone, to solve the surface 5-axis NC machining tool interference problems with the surface. At any point on the surface structure the visual cone area, according to visual cone determine whether the global tool interference with surface, and correct the tool spindle of interference cutter, solved the global surface and tool interference problems successfully. The application shows, this method is of high efficiency, high precision.

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Liu, Jichun, Yangfang Yang, Yue Xiang, and Junyong Liu. "A Power Exchange Strategy for Multiple Areas with Hydro Power and Flexible Loads." Energies 12, no. 6 (2019): 1160. http://dx.doi.org/10.3390/en12061160.

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Areas with hydro power may purchase extra power from the outside power market during dry seasons, which will cause a deviation between the actual and expected power purchase amount due to the inaccurate judgment of the market situation. Because of the uncertainty of price fluctuations, the risk of purchasing power in the real-time market to eliminate this deviation is very high. This paper proposes an innovative trade mode, where the power exchange strategy between multiple areas is adopted through forming an alliance, i.e., one area can use the controllable elements within others, and constru

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Okubo, Aya, and Yoshie Mori. "Analysis of Maternal Health Examination and Issues to be Solved in a Rural Area of Bangladesh." Kitakanto Medical Journal 56, no. 3 (2006): 213–23. http://dx.doi.org/10.2974/kmj.56.213.

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Song, Yu Bo. "Study of Location Optimization Scheduling with Multiple Storage Tasks at Container Storage Area of Airport Freight Station." Applied Mechanics and Materials 220-223 (November 2012): 132–36. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.132.

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In this paper, we made a deep analysis on the operational conditions and the process of double plate of ETV at the packaging zone of airport freight station, and considered double plate factor in the freight lot allocation problem of multi Unit Load Device (ULD) storage tasks. The freight lot allocation problem of multi ULD at the packaging zone was translated into a multi-objective optimization problem with constraints and a mathematical model was set up. Niche technique was introduced into genetic algorithm, and storage location was constructed to optimize genetic algorithm. The model was so

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Sharma, Manisha, and Manjaree Pandit. "Reserve Constrained Multi-Area Economic Dispatch Employing Evolutionary Approach." International Journal of Applied Evolutionary Computation 1, no. 3 (2010): 49–69. http://dx.doi.org/10.4018/jaec.2010070103.

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The objective of Multi-area economic dispatch (MAED) is to determine the generation levels and the interchange power between areas that minimize fuel costs, while satisfying power balance and generating limit and transmission constraints. If an area with excess power is not adjacent to a power deficient area, or the tie-line between the two areas is at transmission limit, it is necessary to find an alternative path between these two areas to transmit additional power. When a MAED problem is solved with spinning reserve constraints, the problem becomes further complicated. The power allocation

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Aina, Jacob Kola. "Physics learning and the application of multiple intelligences." Revista Brasileira de Gestão Ambiental e Sustentabilidade 5, no. 9 (2018): 381–91. http://dx.doi.org/10.21438/rbgas.050926.

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The article looked at the learning problems in two different perspectives which are field area and sexism. Many studies indicate that the challenges to the students’ academic performance globally in Physics are related to these two areas. Though, several solutions had been proffered to solve the problem with little improvement. Given this, the paper criticized many Physics teachers inability to see Physics classes as being of multiple intelligences. The author of the script, therefore, identified eight types of intelligence from Howard Gardner’s Frame of Minds. The script believed that Physics

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Le, Anh Vu, Rizuwana Parween, Rajesh Elara Mohan, Nguyen Huu Khanh Nhan, and Raihan Enjikalayil Abdulkader. "Optimization Complete Area Coverage by Reconfigurable hTrihex Tiling Robot." Sensors 20, no. 11 (2020): 3170. http://dx.doi.org/10.3390/s20113170.

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Completed area coverage planning (CACP) plays an essential role in various fields of robotics, such as area exploration, search, rescue, security, cleaning, and maintenance. Tiling robots with the ability to change their shape is a feasible solution to enhance the ability to cover predefined map areas with flexible sizes and to access the narrow space constraints. By dividing the map into sub-areas with the same size as the changeable robot shapes, the robot can plan the optimal movement to predetermined locations, transform its morphologies to cover the specific area, and ensure that the map

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Sharan, A. M., J. Jain, and P. Kalra. "Efficient Methods for Solving Dynamic Problems of Flexible Manipulators." Journal of Dynamic Systems, Measurement, and Control 114, no. 1 (1992): 78–88. http://dx.doi.org/10.1115/1.2896510.

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In this work, efficient methods for solving dynamic problems in the robotics area are discussed. The nonlinear dynamic equations are derived and their linearization is verified. The unconstrained dynamic problems for a flexible arm robot are solved by four efficient numerical techniques. The constrained problems are solved by Revised Simplex Method and the Karmarkar’s Algorithm.

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Xiao, Zheng-Zhi, Hai-Lin Liu, Zheng-Liang Li, Deng-Ke Yu, and Ying-Gang Li. "Research on Wind-Induced Reliability of Double Column Suspended Guyed Tower in Strong Wind Area." International Journal of Structural Stability and Dynamics 16, no. 01 (2016): 1640011. http://dx.doi.org/10.1142/s0219455416400113.

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The ultra-high voltage transmission line is long, which needs to pass through the various complex terrains. In order to ensure the safe structural system, understanding and grasping the wind-induced response and reliability of double column suspended guyed tower (DCSGT) in strong wind area of Gobi Desert are basic requirements. Through combining the conditional probability density of wind speed and frequency function of wind direction, the successive-type joint distribution model of wind speed and direction is obtained by multiplication theorem. In accordance with the principle of equivalent e

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최영만. "A Study on a Problem of Territorial Rights Regarding Gando Area and How It could be Solved." Institute for Humanities and Social Sciences 12, no. 1 (2011): 243–71. http://dx.doi.org/10.15818/ihss.2011.12.1.243.

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OHARA, Kotaro. "The Roles of Farmers’Market for the Vitalization of Rural Area and Problem to be Solved." Journal of Rural Studies 18, no. 2 (2012): 24–35. http://dx.doi.org/10.9747/jars.18.2_24.

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McCarthy, P. J., M. Crampin, and W. Stephenson. "Graphs in the plane invariant under an area preserving linear map and general continuous solutions of certain quadratic functional equations." Mathematical Proceedings of the Cambridge Philosophical Society 97, no. 2 (1985): 261–78. http://dx.doi.org/10.1017/s0305004100062812.

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AbstractThe requirement that the graph of a function be invariant under a linear map is equivalent to a functional equation of f. For area preserving maps M(det (M) = 1), the functional equation is equivalent to an (easily solved) linear one, or to a quadratic one of the formfor all Here 2C = Trace (M). It is shown that (Q) admits continuous solutions ⇔ M has real eigenvalues ⇔ (Q) has linear solutions f(x) = λx ⇔ |C| ≥ 1. For |c| = 1 or C < – 1, (Q) only admits a few simple solutions. For C > 1, (Q) admits a rich supply of continuous solutions. These are parametrised by an arbitrary fun

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Makhonin, I. O. "AREA OF INITIAL POSITIONS OF A UAV (UNMANNED AERIAL APPARATUS) IN THREEDIMENSIONAL SPACE." Issues of radio electronics, no. 7 (July 20, 2018): 24–29. http://dx.doi.org/10.21778/2218-5453-2018-7-24-29.

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When landing an unmanned aerial vehicle (UAV) on a ship, it is required to perform the specified boundary values of the state vector at the moment of approach to the hook equipment. The article considers the solution of the problem of calculating the points of the area of initial positions of UAV. It is mean, that each point provide hitting for the UAV to a predetermined aiming area at a given time in the vicinity of the hitch. In this case, the phase coordinates of the UAV at the time of approach to the hook device have to defined. To calculate the points located on the boundary of the area o

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Hui, Guo. "Management of Water Quality Information in Mining Subsidence Waterlogged Area." Advanced Materials Research 726-731 (August 2013): 3702–5. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.3702.

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Based of the technology of CAD VBA and Access database, the program of water quality monitoring information management in mining subsidence area is developed; it mainly includes functions of attribute query, attribute edition, visualization of water monitoring point. The table structure in monitoring point attribute database is designed, and problem of dynamic linkage between drawing data and attribute data is solved. The key code about them is given in the paper. The program can provide some decision support for reasonable use of water resources and environment protection in the mine area, an

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Sorokin, S. А., and O. Yu Sysoev. "ABOUT FANOUTS PLACEMENT IN BGA COMPONENT AREA." Issues of radio electronics, no. 5 (June 8, 2019): 134–38. http://dx.doi.org/10.21778/2218-5453-2019-5-134-138.

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During the routing in the BGA area, two related problems need to be solved: the first one is the arrangement of the two‑ports under the BGA component in such a way that the maximum number of vias (through) can be accommodated, the second is the placement of vias and the assignment of vias to each BGA contact (or group of equipotential contacts). The approach to solving the first problem was previously proposed by the authors. The second problem was considered in the literature as applied to irregular BGA components, but the proposed method needs clarification in terms of using information on t

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Zyryanov, Sergey Mikhailovich, and Anastasia Valentinovna Kalmykova. "Regulation – the area of inter-branch knowledge application." SHS Web of Conferences 118 (2021): 01010. http://dx.doi.org/10.1051/shsconf/202111801010.

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The purpose of the study is to justify the feasibility of using regulatory policy and sectoral scientific tools in the daily activities of regulatory bodies. The study used a wide range of sources containing empirical data reflecting modern theoretical concepts of regulation. The authors used general scientific and special methods of cognition, methods of analysis and synthesis, formal logic, comparative jurisprudence, and interpretation of law. The result of the study was an overview of the points of view of modern scientists on regulation problems and the use of an intersectoral approach. In

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Daun, K. J., and K. G. T. Hollands. "Infinitesimal-Area Radiative Analysis Using Parametric Surface Representation, Through NURBS." Journal of Heat Transfer 123, no. 2 (2000): 249–56. http://dx.doi.org/10.1115/1.1351168.

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The use of form factors in the treatment of radiant enclosures requires the radiosity be approximated as uniform over finite areas, and so when higher accuracy is required, an infinitesimal-area analysis should be applied. This paper describes a generic infinitesimal-area formulation suited in principle for any enclosure containing a transparent medium. The surfaces are first represented parametrically, through “non-uniform rational B-spline” (NURBS) functions, the industry standard in CAD-CAM codes. The kernel of the integral equation is obtained without user intervention, using NURBS algorit

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Yu, Fu-rong, Bai-zhong Yan, Ji-hong Qu, et al. "The dynamic programming management model of groundwater with covariates: a case study for the Songyuan area, Jilin Province, China." Water Supply 17, no. 5 (2017): 1260–67. http://dx.doi.org/10.2166/ws.2017.013.

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This research analysed the action and characteristics of the relationship between mutual-feed joint-variations of groundwater. On this basis, a theory and method for constructing a dynamic programming management model for groundwater with covariates was proposed which used the state transition equation method. The model was solved using the differential dynamic programming (DDP) method. Thereafter, the groundwater system of the Songyuan area in western Jilin Province was treated as an area of interest to study the major problem of the relationships governing mutual-feed joint-variation. Based

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Zharikov, Mikhail V. "Parallel Currency Regimes in the Area of Financial Integration." World of Economics and Management 19, no. 4 (2019): 5–13. http://dx.doi.org/10.25205/2542-0429-2019-19-4-5-13.

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The study presented in the article seems rather relevant due to the fact that the problem of indebtedness in the eurozone members has not been solved yet, and these countries still continue to accumulate debts. Therefore, the eurozone members are expected to find effective ways to restore competitiveness after the crisis of 2009‒2012 without exiting the single currency agreement. The research is aimed at encompassing the relations which come into being as a result of credit use, money circulation, and money transfer payments. Consideration of these issues seems very important since it can help

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Hrusecka, Denisa. "Fuzzy set theory-based model for identifying the potential of improving process KPIs in production logistics area." New Trends and Issues Proceedings on Humanities and Social Sciences 4, no. 10 (2018): 327–36. http://dx.doi.org/10.18844/prosoc.v4i10.3098.

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The high complexity of today’s manufacturing environment brings many problems with planning and managing, especially production, logistic and other key business processes. In many cases, it is quite complicating to identify the real causes of problems that enterprises face or to decide which one of them should be solved first. Especially, in the case of large enterprises, it is complicating to access expertise among all departments and employed professionals in order to solve the problems most efficiently. Our fuzzy model provides a simple tool for easy identification of the most significant p

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Li, Jin Ping, Xiu Zhen Li, Na Wang, and Jing Yi Han. "Research on the Application of Straw Bale Houses in Northwest Rural Area." Advanced Materials Research 1073-1076 (December 2014): 1275–81. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.1275.

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Energy-efficient problems for houses need to be solved, with poorly insulated housing used in northwest rural area of China requiring large amounts of energy for house warming. The application of straw bale houses in domestic and overseas indicates straw bale houses’ benefits. This article compares straw bale houses with traditional structures and analyzes the advantages and disadvantages of straw bale houses, also points out the feasibility and prospects of the utilization of straw bale houses in northwest rural area.

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Miyashita, T. "Theoretical Verification of Wagner`s Equation Considering Polarization Voltage Losses in SOFCs." Open Materials Science Journal 4, no. 1 (2010): 103–12. http://dx.doi.org/10.2174/1874088x010040100103.

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The necessity for experimental verification of leakage currents using Sm-doped ceria electrolytes (SDC) in solid-oxide fuel cells (SOFCs) has been indicated. This paper describes the theoretical limitations of Wagner's equation and details the analytical work that has been performed to support the experimental results. These limitations cannot be solved, even considering polarization voltage losses. Globally, there are several research groups working on SOFCs to solve the current-voltage relation with mixed ionic electronic solid conductors (MIECs). However, this problem must be solved conside

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Kumar, Sanjay, Vineet Kumar, Nitish Katal, Sanjay Kumar Singh, Sumit Sharma, and Pushpendra Singh. "Multiarea Economic Dispatch Using Evolutionary Algorithms." Mathematical Problems in Engineering 2021 (August 31, 2021): 1–14. http://dx.doi.org/10.1155/2021/3577087.

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Multiarea economic dispatch (MAED) is a vital problem in the present power system to allocate the power generation through dispatch strategies to minimize fuel cost. In economic dispatch, this power generation distribution always needs to satisfy the following constraints: generating limit, transmission line, and power balance. MAED is a complex and nonlinear problem and cannot be solved with classical techniques. Many metaheuristic methods have been used to solve economic dispatch problems. In this study, the dynamic particle swarm optimization (DPSO) and grey wolf optimizer (GWO) have been u

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Bulkin, Vladislav, and Marina Kalinichenko. "NOISE-ABSORBING ACOUSTIC SCREEN BASED ON A HELMHOLTZ RESONATOR." VOLUME 39, VOLUME 39 (2021): 272. http://dx.doi.org/10.36336/akustika202139272.

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The paper aims at studying the noise protection potential of an acoustic screen based on a Helmholtz resonator to solve the problem of noise reduction level in the area in front of the screen. For experimental analysis, a modular acoustic screen has been made. Replaceable modules are made on the basis of a wooden frame with stiffening ribs, one side of the module is blind, another has slotted holes, which ensures the formation of noise absorbers on a Helmholtz resonator principle. Changing the position of the modules in the support racks provides the ability to change the screen reflexive surf

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Dempsey, J. P., and Hui Li. "A Flexible Rectangular Plate on an Elastic Layer: Large Area Contact." Journal of Tribology 111, no. 3 (1989): 518–24. http://dx.doi.org/10.1115/1.3261960.

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The unbonded frictionless receding contact problem of a symmetrically loaded thin rectangular plate resting on an elastic layer is solved in this paper. The contact is assumed to be tensionless. The problem is transformed into the solution of three coupled two-dimensional singular integral equations. The possible contact pressure singularities along the plate edges and at the corners are treated using adaptive discretization. The contact regions are found iteratively since the problem is nonlinear. Contact regions and numerical values of displacements and contact pressures are presented to ill

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Han, Yun-Xiang. "Modeling and optimization of the terminal control area with holding unit." PLOS ONE 16, no. 3 (2021): e0241204. http://dx.doi.org/10.1371/journal.pone.0241204.

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Aiming at the problem of resource allocation for departure flights at congested airports, this research explores the optimal configuration of holding units in the terminal control area (TCA). Similar to the job-shop scheduling problem, this problem is solved through a max-plus model with additional constraints. In particular, two optimization models are constructed, in which air segments, departure fixes and holding units are explicitly modeled. Based on the realistic airspace network selected, the proposed models are tested using actual flight data. The experimental results show that the mode

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Knight, Frank B. "The moments of the area under reflected Brownian bridge conditional on its local time at zero." Journal of Applied Mathematics and Stochastic Analysis 13, no. 2 (2000): 99–124. http://dx.doi.org/10.1155/s1048953300000137.

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This paper develops a recursion formula for the conditional moments of the area under the absolute value of Brownian bridge given the local time at 0. The method of power series leads to a Hermite equation for the generating function of the coefficients which is solved in terms of the parabolic cylinder functions. By integrating out the local time variable, this leads to an integral expression for the joint moments of the areas under the positive and negative parts of the Brownian bridge.

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Ja¨ger, J. "A New Principle in Contact Mechanics." Journal of Tribology 120, no. 4 (1998): 677–84. http://dx.doi.org/10.1115/1.2833765.

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Two nonrotating elastic half-planes in quasi-static contact without coupling of the normal and tangential surface stresses are analyzed in this paper. It is proved that the tangential traction under constant normal forces and increasing tangential forces is equal to the difference between the actual normal pressure and the pressure for a smaller contact area, multiplied by the coefficient of friction. Every stick area corresponds to a contact area (or a configuration of multiple contact areas) that is smaller than the present contact area. In the same way as the contact area develops with incr

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Nasution, Achmad Delianur, and Rochmad Siddhiqie. "Bus Terminal Design in Transit Oriented Development Area (TOD) in Pinang Baris." International Journal of Architecture and Urbanism 2, no. 2 (2018): 168–74. http://dx.doi.org/10.32734/ijau.v2i2.402.

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According to the development plan of MEBIDANG-RO, Pinang Baris has been stated as TOD Area. Bus Terminal will be the transit center within the area and have direct integration to buildings surround it. Issues that appeared solved with utilizing the land that will be allocated as circulation area to prevent crossing circulation between transportation and passengers, contemporary architecture theme will be applied, and the building shape will be following the circulation plan that has made before, Therefore, the design of Pinang Baris Bus Terminal would fulfill the needs of users in TOD Pinang B

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Arias-Osorio, Javier, Ruben Darío Ríos-Mercado, and Ingrid Dayanna Tamayo-Morantes. "A model for collection of Waste Electrical and Electronical Equipment in Metropolitan Area of Bucaramanga." Revista Facultad de Ingeniería Universidad de Antioquia, no. 96 (February 21, 2020): 110–17. http://dx.doi.org/10.17533/udea.redin.20191259.

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In this paper, a model for the collection of waste electrical and electronic equipment is designed based on a problem of location and vehicle routing. Two main phases are carried out: The localization phase, in which the WEEE collection points are defined from a series of potential points, involving the novelty about the assignment of different types of devices to each of those points. And, the routing phase in which the collection routes are designed to minimize the associated costs. A case study is analyzed for the collection of WEEE in communes 6, 7 and 8 of Bucaramanga. For the localizatio

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Scha¨fer, Mike, and Thomas Lengauer. "Automated Layout Generation and Wiring Area Estimation for 3D Electronic Modules." Journal of Mechanical Design 123, no. 3 (1999): 330–36. http://dx.doi.org/10.1115/1.1371478.

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This paper presents an integrated approach to the layout generation of 3D rectagonal objects and wiring area estimation. Problems of this type are encountered in various component layout tasks such as the space-efficient placement of electronic components in automobiles. The goal is to achieve high packing densities and fitting of objects in predefined design spaces while satisfying spatial constraints. The layout problem is formulated as mixed integer linear program and can be solved either by a branch&bound procedure or heuristically. The wiring area estimation is integrated in the probl

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Zheng, Xi Gui, Qin Jian Zhan, and Bin Wang. "Study on Surrounding Rock Pre-Stressed Crossed Anchor Control Technology in Roadway with Large Mining Depth." Advanced Materials Research 524-527 (May 2012): 471–75. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.471.

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Based on the deep soft rock creep mechanism, according to the physical characteristics of bauxitic mudstone in ingate at the level of -1015 m of Kong Zhuang colliery, we solved the technical difficult problem of choosing anchor points of soft rock supporting roadway in ingate. Using high strength and low relaxation steel strand to reinforce by crossed anchor, in combination with the depth hole grouting technology, improve pressure-bearing capacity of wall rock in the ingate, safe passage and drainage pipe area. We analyze the stress distribution characteristics of rock mass, contrasting on the

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