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Zeitschriftenartikel zum Thema „Operations Function“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 1. Februar 2022

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1

Gani, Fathurrahmah Abd, Dasa Ismaimuza und Sudarman Sudarman. „PROFIL PEMAHAMAN KONSEP SISWA DITINJAU DARI TINGKAT KEMAMPUAN MATEMATIKA PADA MATERI FUNGSI KOMPOSISI“. Aksioma 9, Nr. 2 (25.09.2020): 98–111. http://dx.doi.org/10.22487/aksioma.v9i2.520.

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Abstract: The aim of this research was to describe the profile of understanding the concept of class X MIA students based on the level of mathematical ability. The research was conducted at MA Alkhairaat Palu using a qualitative descriptive approach. The results of the study show that the understanding of the concept of ST in classifying the function of composition is that there is a function and operation of composition. Identify the characteristics of operations or concepts students use associative, distributive, composition operations and algebraic. Applying the concept students explain the properties and operations. Giving examples and not the composition function of the students explains the example, that there is an operation of composition and not there is no operation of the composition. Presenting the problem students presents in the form of mathematical models. Understanding the SS concept in classifying composition functions, namely a combination of functions associated with composition operations. Identify the characteristics of operations or concepts, namely the nature of distributive, operating composition and calculating algebra. Applying the concept students explain the properties and operations. Give an example and not an example of a composition function is an example is that there is a composition operation and not that there is no composition operation. Presenting problems in the form of mathematical models. Understanding the concept of SR in classifying the function of composition, namely there is a composition operation. Give an example and not an example of a composition function, is an example there is a composition operation and not an example, that is, there is no composition operation.

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FELICIANO, D., R. O??GORMAN, C. BITONDO, P. CRUSE, R. MATTHEWS und K. MATTHEWS. „Lymphocyte Function and Abdominal Operations“. Survey of Anesthesiology 32, Nr. 2 (April 1988): 78. http://dx.doi.org/10.1097/00132586-198804000-00010.

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3

Feliciano, David V. „Lymphocyte Function and Abdominal Operations“. Archives of Surgery 122, Nr. 6 (01.06.1987): 697. http://dx.doi.org/10.1001/archsurg.1987.01400180079015.

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4

Hallfeldt, Klaus K. J., Wolfram Trudo Knoefel, Olaf Thetter, Elisabeth Deubler und Leonhard Schweiberer. „Respiratory function after thoracic operations“. Annals of Thoracic Surgery 50, Nr. 4 (Oktober 1990): 688. http://dx.doi.org/10.1016/0003-4975(90)90231-t.

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5

Shtrakov, Slavcho, und Ivo Damyanov. „On the Computational Complexity of Finite Operations“. International Journal of Foundations of Computer Science 27, Nr. 01 (Januar 2016): 15–38. http://dx.doi.org/10.1142/s0129054116500027.

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The essential variables in a finite function f are defined as variables which occur in f and weigh with the values of that function. The number of essential variables is an important measure of complexity for discrete functions. When replacing some variables in a function with constants the resulting functions are called subfunctions, and when replacing all essential variables in a function with constants we obtain an implementation of this function. Such an implementation corresponds with a path in an ordered decision diagram (ODD) of the function which connects the root with a leaf of the diagram. The sets of essential variables in subfunctions of f are called separable in f. In this paper we study several properties of separable sets of variables in functions which directly affect the number of implementations and subfunctions in these functions. We define equivalence relations which classify the functions of k-valued logic into classes with the same number of: (i) implementations; (ii) subfunctions; and (iii) separable sets. These relations induce three transformation groups which are compared with the lattice of all subgroups of restricted affine group (RAG). This allows us to solve several important computational and combinatorial problems.

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Okabe, Akira, und Ryuki Matsuda. „Kronecker function rings of semistar-operations“. Tsukuba Journal of Mathematics 21, Nr. 2 (Oktober 1997): 529–40. http://dx.doi.org/10.21099/tkbjm/1496163256.

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Haagensen, Rolf E., Karl-Ake Sjöborg, Stig Mjelstad, Rescue man und Petter A. Steen. „Lung Function During Hoist Rescue Operations“. Prehospital and Disaster Medicine 13, Nr. 1 (März 1998): 65–68. http://dx.doi.org/10.1017/s1049023x00033069.

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AbstractIntroduction: A case is presented in which a 43-year-old man suffering from a severe asthma attack, had ventilatory arrest during a hoisting procedure. Based on this experience, the influence of three hoisting techniques on lung function was tested.Methods: The ventilatory capacity of 12 healthy volunteers was tested during three commonly used hoisting techniques: 1) single sling; 2) double sling; or 3) strapped to a stretcher.Results: The vital capacity (VC) and the one-second, forced expiratory volume (FEV1) were reduced significantly during all hoisting techniques compared to the standing position. The reduction was significantly more pronounced on a stretcher than in either sling position. There were no differences in the FEV1 to VC ratio between the positions.Conclusion: The small reduction in ventilatory capacity during hoisting procedures is tolerated easily by healthy individuals, but should be taken into account when planning such procedures on patients with severe pulmonary disease.

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Tamura, Keiko, Go Urakawa und Haruo Hayashi. „2007 Emergency Mapping Center Constructing Common Operational Pictures with GIS“. Journal of Disaster Research 5, Nr. 1 (01.02.2010): 5–11. http://dx.doi.org/10.20965/jdr.2010.p0005.

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Emergency Mapping Center (EMC) activities at Chuetsu-oki Emergency Operation Center (EOC) are an innovative approach to disaster management, originating in Niigata Prefecture. This represents three important “firsts” in Japan – (1) the first disasterresponse digital mapping providing common operational pictures (COP) to local responders in real time, (2) the first collaborative emergency operations center (EOC) information analysis team, and (3) the first EMCstaff not directly supporting operation function but supporting staff function of EOC.

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Wolniak, Radosław. „Main functions of operation management“. Production Engineering Archives 26, Nr. 1 (01.03.2020): 11–14. http://dx.doi.org/10.30657/pea.2020.26.03.

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AbstractPresented paper concentrate on problems connected with the function of operation management within the company. Operation function is responsible for producing products and delivering services. But it needs support and input from others areas of the organization. The aim of the paper it to analyze on the basis on inter-national the main functions of operation management. We can distinguish seven main functions of operation management in the industrial enterprise: planning, scheduling, purchasing, controlling, quality control and inventory control. In each of those fields operations managers should conduct many decision affecting of-organization effectiveness.

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Feitosa, Jardênia R., Haroldo C. Fernandes, Paulo R. Cecon, Mauri M. Teixeira, Anderson G. Costa und Edival C. da Silva. „Onion production costs as a function of water content and soil tillage“. Revista Brasileira de Engenharia Agrícola e Ambiental 24, Nr. 5 (Mai 2020): 348–53. http://dx.doi.org/10.1590/1807-1929/agriambi.v24n5p348-353.

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ABSTRACT Onion production is an agricultural activity whose yield is associated with environmental, market and cultural management factors. The objective of this study was to evaluate the cost of onion production as a function of the tillage system adopted and the soil water content at the moment of the operations. Three tillage systems were evaluated: P1 - one plowing + two harrowings + two seedbed raising operations; P2 - two harrowings + one seedbed raising operation; P3 - one harrowing + one seedbed raising operation; and four soil water contents: 12, 15, 23 and 26%, in experiment conducted at the Tourão irrigated perimeter, Juazeiro, BA, Brazil (9° 24’ 07.3” S; 40° 26’ 08.7” W, and altitude of 376 m), in 2017, in split plots, in a randomized block design, with four repetitions. The costs related to mechanized operations, manual operations, inputs and crop irrigation were determined. The economic efficiency was evaluated through the variables total cost and unit cost of onion production, gross revenue, net revenue and internal rate of return. The use of the tillage system with one harrowing, one seedbed raising operation and seeding, under the condition of 23% soil water content, resulted in higher economic efficiency.

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Shumov, Vladislav. „Analysis of the function of victory based on experience of strategic operations of the Great Patriotic War“. Вопросы безопасности, Nr. 3 (März 2020): 30–39. http://dx.doi.org/10.25136/2409-7543.2020.3.33092.

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The object of research is the combat and military operations. The subject is the dynamic models of combat operations and functions of victory in the conflict. The first combat model was developed by M. P. Osipov in 1915 based on the analysis of military battles for the hundred-year period. He was first to formulate the principles of combat operations modelling. In recent decades, the economists also joined the analysis of conflicts (contests and auctions). The goal of this work lies in analysis and unification of the two indicated approaches, and provision military leadership with quantitative grounds for decision-making in preparing to the combat operations. Leaning on the statistical analysis of offensive and defensive strategic operations during the Great Patriotic War (forces and means of the parties by the beginning of operation and its outcome), the author verifies the original expansion of conflict model – the function of victory in combat operations and assesses the parameters of the form of model. The scientific novelty of consists in establishing a close connection and dependence between the two approaches to combat operations modeling: based on dynamics of the averages (classical approach) and modeling with the use of conflict functions (econometric approach). The advanced function of victory in combat operations is easy to use and complies with the provisions of military science and the theory of combat potentials.

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Zheng, Ruiqi, Erwin Chan, Xudong Wang, Xinhuan Feng und Bai-Ou Guan. „Microwave Photonic Devices Based on Liquid Crystal on Silicon Technology“. Applied Sciences 9, Nr. 2 (12.01.2019): 260. http://dx.doi.org/10.3390/app9020260.

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This paper reviews the recent developments in microwave photonic devices based on liquid crystal on silicon (LCOS) technology. The operation principle, functions and important specifications of an LCOS based optical processor are described. Three microwave photonic devices, which are microwave photonic notch filters, phase shifters and couplers, reported in the past five years are focused on in this paper. In addition, a new multi-function signal processing structure based on amplitude and phase control functions in conjunction with a power splitting function in a commercial LCOS based optical processor is presented. It has the ability to realize multiple time -shifting operations and multiple frequency-independent phase shifting operations at the same time and control multiple RF signal amplitudes, in a single unit. The results for the new multi-function microwave photonic signal processor demonstrate multiple tunable true time delay and phase shifting operations with less than 3 dB amplitude variation over a very wide frequency range of 10 to 40 GHz.

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Solomko, Mykhailo. „Developing an algorithm to minimize boolean functions for the visual-matrix form of the analytical method“. Eastern-European Journal of Enterprise Technologies 1, Nr. 4 (109) (26.02.2021): 6–21. http://dx.doi.org/10.15587/1729-4061.2021.225325.

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This research has established the possibility of improving the effectiveness of the visual-matrix form of the analytical Boolean function minimization method by identifying reserves in a more complex algorithm for the operations of logical absorption and super-gluing the variables in terms of logical functions. An improvement in the efficiency of the Boolean function minimization procedure was also established, due to selecting, according to the predefined criteria, the optimal stack of logical operations for the first and second binary matrices of Boolean functions. When combining a sequence of logical operations using different techniques for gluing variables such as simple gluing and super-gluing, there are a small number of cases when function minimization is more effective if an operation of simply gluing the variables is first applied to the first matrix. Thus, a short analysis is required for the primary application of operations in the first binary matrix. That ensures the proper minimization efficiency regarding the earlier unaccounted-for variants for simplifying the Boolean functions by the visual-matrix form of the analytical method. For a series of cases, the choice of the optimal stack is also necessary for the second binary matrix. The experimental study has confirmed that the visual-matrix form of the analytical method, whose special feature is the use of 2-(n, b)-design and 2-(n, x/b)-design systems in the first matrix, improves the process efficiency, as well as the reliability of the result of Boolean function minimization. This simplifies the procedure of searching for a minimal function. Compared to analogs, that makes it possible to improve the productivity of the Boolean function minimization process by 100‒200 %. There is reason to assert the possibility of improving the efficiency of the Boolean function minimization process by the visual-matrix form of the analytical method, through the use of more complex logical operations of absorbing and super-gluing the variables. Also, by optimally combining the sequence of logical operations of super-gluing the variables and simply gluing the variables, based on the selection, according to the established criteria, of the stack of logical operations in the first binary matrix of the assigned function

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Emani, Sitaram M., und Gerald R. Marx. „Operations for improving left ventricular diastolic function“. Current Opinion in Cardiology 31, Nr. 1 (Januar 2016): 101–8. http://dx.doi.org/10.1097/hco.0000000000000250.

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15

CHEN, SHAN-HUO, CHIEN-CHUNG WANG und SHU MAN CHANG. „ARITHMETICAL OPERATIONS OF EXPONENTIAL FUZZY NUMBERS USING THE FUNCTION PRINCIPLE“. New Mathematics and Natural Computation 02, Nr. 02 (Juli 2006): 131–38. http://dx.doi.org/10.1142/s1793005706000385.

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Fuzzy numbers with exponential membership function are quite common in real world cases. In this paper, we applied Graded Mean Integration Representation Method to compute the representation of exponential fuzzy numbers. Then the Function Principle is applied to generate the arithmetical operations of exponential fuzzy numbers. By the way, some properties of operation under the Function Principle are proved. Finally, an application of the lifetime of the lamps of projectors is proposed.

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Karpenko, Julia, und Anzhelika Pienova. „Theoretical approaches to the definition of the concept of operational management“. Socio-Economic Research Bulletin, Nr. 3-4(74-75) (27.10.2020): 88–98. http://dx.doi.org/10.33987/vsed.3-4(74-75).2020.88-98.

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The article considers the author’s interpretations regarding the definition of the essence of operational management concept. The purpose of article is to systematize the existing definitions of «operational management» and clarify the essence of this concept. The research methods of comparison, grouping, induction and deduction, analysis and synthesis were used in the research. According to the study results, different opinions of researchers on the relationship between the concepts of operational and production management have been studied and found that these concepts are not interchangeable. Based on the analysis of the author’s interpretations of the essence of operational management, three scientific approaches are identified, which were presented in the scientific developments of a number of researchers, namely: an emphasis on the production systems management, an emphasis on operations management and an emphasis on resource allocation. The relationship between key concepts of operational management such as «operation», «operational strategy», «operating system», «operational function» is established. It was revealed that the operation is the primary indivisible link of the operating system, and the operational function should be considered as a set of operations, the result of which is the manufacture of goods or provision of services, supplied by the enterprise to the external environment. It is determined that operational decisions related to management concern the formation of operational strategy, as well as the development and ensuring the functioning of the operating system. According to the results of definitions systematization and analysis of the basic concepts of operational management, the interpretation of its essence is generalized. It is proposed to consider the operational management as an activity of operations management, which is the basis of the operating system of any enterprise and provides for its provision of the necessary resources and transform them into goods or services to achieve established corporate goals.

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Bandura, A. I., und O. B. Skaskiv. „SUM AND PRODUCT OF FUNCTIONS HAVING BOUNDED L-INDEX IN A DIRECTION WHICH ARE SLICE HOLOMORPHIC IN THE SAME DIRECTION“. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Number, Nr. 1(53) (27.09.2019): 9–20. http://dx.doi.org/10.31471/2304-7399-2019-1(53)-9-20.

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Our objects of investigations are sum and product of holomorphic function of bounded index. There are established sufficient conditions providing the boundedness of L-index in the same direction for these operations. In particular, the multiplication of functions from this class is closed operation.

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Agapiou, J. S. „The Optimization of Machining Operations Based on a Combined Criterion, Part 1: The Use of Combined Objectives in Single-Pass Operations“. Journal of Engineering for Industry 114, Nr. 4 (01.11.1992): 500–507. http://dx.doi.org/10.1115/1.2900704.

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The problem of determining the optimum machining conditions for single-pass and multipass operations has been investigated. An objective function incorporating a combination of the minimum production cost and minimum production time requirements is considered for optimization. The two criteria of production cost and production time are prioritized through their weight coefficients. A constant multiplier is used to normalize the objective function. The optimum machining conditions are then determined by the Nelder-Mead simplex method. Physical constraints regarding the cutting parameters are also considered. The structure of the objective function is analyzed and the procedure to construct it is discussed. The superiority of the combined objective function over the earlier proposed single criteron objective functions, using the production cost, or production time, or maximum rate of profit, is illustrated. A sensitivity analysis for the weight coefficients and the constant multiplier of the objective function are discussed via numerical examples.

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Chen, Shan-Huo. „Operations of fuzzy numbers with step form membership function using function principle“. Information Sciences 108, Nr. 1-4 (Juli 1998): 149–55. http://dx.doi.org/10.1016/s0020-0255(97)10070-6.

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Ordoukhanian, Edwin, und Azad Madni. „Model-Based Approach to Engineering Resilience in Multi-UAV Systems“. Systems 7, Nr. 1 (15.02.2019): 11. http://dx.doi.org/10.3390/systems7010011.

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Multi-UAV Operations are an area of great interest in government, industry, and research community. In multi-UAV operations, a group of unmanned aerial vehicles (UAVs) are deployed to carry out missions such as search and rescue or disaster relief. As multi-UAV systems operate in an open operational environment, many disrupting events can occur. To this end, resilience of these systems is of great importance. The research performed and reported in this paper utilizes simulation-based research methodology and demonstrates that resilience of multi-UAV systems can be achieved by real-time evaluation of resilience alternatives during system operation. This evaluation is done using a dynamic utility function where priorities change as a function of context. Simulation results show that resilience response can in fact change depending on the context.

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Marinković, Sladjana D., Miomir S. Stanković und Predrag M. Rajković. „Functions Induced by Iterated Deformed Laguerre Derivative: Analytical and Operational Approach“. Abstract and Applied Analysis 2012 (2012): 1–17. http://dx.doi.org/10.1155/2012/190726.

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The one-parameter deformed exponential function was introduced as a frame that enchases a few known functions of this type. Such deformation requires the corresponding deformed operations (addition and subtraction) and deformed operators (derivative and antiderivative). In this paper, we will demonstrate this theory in researching of some functions defined by iterated deformed Laguerre operator. We study their properties, such as representation, orthogonality, generating function, differential and difference equation, and addition and summation formulas. Also, we consider these functions by the operational method.

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Turgut, Murat. „The effect of globalization operations on financial function“. Pressacademia 3, Nr. 1 (30.06.2017): 883–90. http://dx.doi.org/10.17261/pressacademia.2017.670.

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Mazzarella, V., M. Taccone Gallucci, C. Tozzo, M. Elli, R. Chiavarelli, B. Marino und C. Casciani. „Renal function in patients undergoing cardiopulmonary bypass operations“. Journal of Thoracic and Cardiovascular Surgery 104, Nr. 6 (Dezember 1992): 1625–27. http://dx.doi.org/10.1016/s0022-5223(19)33893-0.

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PIGHIZZINI, GIOVANNI, und JEFFREY SHALLIT. „UNARY LANGUAGE OPERATIONS, STATE COMPLEXITY AND JACOBSTHAL'S FUNCTION“. International Journal of Foundations of Computer Science 13, Nr. 01 (Februar 2002): 145–59. http://dx.doi.org/10.1142/s012905410200100x.

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In this paper we give the cost, in terms of states, of some basic operations (union, intersection, concatenation, and Kleene star) on regular languages in the unary case (where the alphabet contains only one symbol). These costs are given by explicitly determining the number of states in the noncyclic and cyclic parts of the resulting automata. Furthermore, we prove that our bounds are optimal. We also present an interesting connection to Jacobsthal's function from number theory.

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Vandermeer, Thomas J. „Evaluation of Right Ventricular Function During Aortic Operations“. Archives of Surgery 128, Nr. 5 (01.05.1993): 582. http://dx.doi.org/10.1001/archsurg.1993.01420170118018.

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Pulec, Jack L. „Permanent Restoration of Hearing and Vestibular Function by the Endolymphatic Subarachnoid Shunt Operation“. Ear, Nose & Throat Journal 74, Nr. 8 (August 1995): 544–59. http://dx.doi.org/10.1177/014556139507400809.

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In cases of surgically treatable Meniere's disease, the endolymphatic subarachnoid shunt operation, when successful, can eliminate endolymphatic hydrops and restore function which has not been permanently damaged. This paper will demonstrate the restoration to normal of cochlear and vestibular function following successful endolymphatic subarachnoid shunt procedures. A series of 454 Endolymphatic Subarachnoid Shunt Operations performed on patients with Meniere's disease is reported. Twenty-six patients had surgery on their only hearing ear. Overall, the Endolymphatic Subarachnoid Shunt Operation offered success in sixty-five percent of operations performed. Cases of failure can often receive significant benefit from progressively more destructive procedures. The use of the Endolymphatic Subarachnoid Shunt procedure performed early in the course of Meniere's disease can significantly reduce the risk of permanent hearing loss and disability.

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Agapiou, J. S. „The Optimization of Machining Operations Based on a Combined Criterion, Part 2: Multipass Operations“. Journal of Engineering for Industry 114, Nr. 4 (01.11.1992): 508–13. http://dx.doi.org/10.1115/1.2900705.

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Part 1 of this paper [1] introduced a novel, rational objective function that incorporates both the production cost and total time criteria. In Part 2, the problem of determining the optimum machining conditions for multipass operations is investigated. The optimum number of machining passes is obtained through the dynamic programming technique and the optimum machining conditions for each pass are then determined based on the objective function discussed in Part 1. This approach can be very effectively applied to multistage machining since the optimum arrangement of the different operations can be determined by the dynamic programming method while the optimum cutting conditions for the operations in each machining stage are obtained using the method for single-pass while incorporating the objective function described in Part 1. A multipass turning process is theoretically analyzed and a computational procedure for obtaining the machining parameters is developed. Several examples are presented in order to illustrate the procedure and demonstrate the advantages of the proposed optimization technique for a multipass turning operation.

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Krauss, E. „How Does Operational Readiness Assist in Asset Management: It Surely is an Operations Function?“ Australian Journal of Multi-Disciplinary Engineering 11, Nr. 1 (Januar 2014): 1–11. http://dx.doi.org/10.7158/14488388.2014.11464878.

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HSIEH, CHIH HSUN. „THE NATURAL OPERATIONS OF LINGUISTIC LOGIC“. New Mathematics and Natural Computation 04, Nr. 01 (März 2008): 77–86. http://dx.doi.org/10.1142/s1793005708000969.

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A linguistic truth set in which each element is a linguistic truth value is discussed. Ranking linguistic truth values based on Graded Mean Integration Representation method is discussed also. We then give a decreasing linguistic truth set and an increasing linguistic truth set by using the above ranking method, and present a Not function of linguistic truth value combined by the above decreasing linguistic truth set and the increasing linguistic truth set. A minimum function and a maximum function based on representations of linguistic truth values are introduced. In addition, some natural operations of linguistic logic combined by minimum function and maximum function, and Not function are presented. Some properties of our presented natural operations are presented, and are proved. Furthermore, some application examples of linguistic logical statements are discussed finally.

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Šišák, L. „Forest visitors' opinions on the importance of forest operations, forest functions and sourcesof their financing“. Journal of Forest Science 57, No. 6 (07.07.2011): 266–70. http://dx.doi.org/10.17221/135/2010-jfs.

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The survey was conducted in three selected areas of the Czech Republic in 2008, with the results processed in 2009. Forests visitors received inquiry forms (face to face interviews, random sample). The total number of visitors on 8 survey days was 7,369. The total number of filled-in questionnaires in the three areas was 1,122. Tree planting and tree protection are considered as the most important forest operations, followed by road and stream bank maintenance. On the contrary, timber transport and harvesting are considered as the least important activities. The nature-protecting function is considered as the most important forest function, followed by soil-conservation, climatic, hydrological and health (recreational) functions. Timber production and non-timber production are the least important functions according to the respondents. 20% of respondents claimed that increased costs needed to improve non-market forest functions, used by the visitors, should be partially or fully financed from the timber sales revenues, while only 6.5% of respondents say the costs should be partially or fully financed from payments by the users of forest functions.

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Johnson, Steven L., und O. Felix Offodile. „Human - Machine Function Allocation in Manufacturing and Assembly Operations“. Proceedings of the Human Factors Society Annual Meeting 31, Nr. 10 (September 1987): 1141–43. http://dx.doi.org/10.1177/154193128703101015.

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The paper discusses a methodology to allocate functions to people and/or machines based upon the requirements of the tasks to be performed and the capabilities of each system. Although function allocation has been addressed within the human factors community for many years, the approach discussed offers two primary advances in the context of manufacturing and assembly systems. First, the state-of-the-art in automated systems, robotics, flexible manufacturing systems, methods analysis and human factors are integrated into a multi-disciplinary approach. Second, the methodology will provide manufacturing engineers with an easily understood procedure for assigning tasks to the appropriate system on cost/capability basis.

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Whittle, Geoff. „Duality in Polymatroids and Set Functions“. Combinatorics, Probability and Computing 1, Nr. 3 (September 1992): 275–80. http://dx.doi.org/10.1017/s0963548300000304.

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Notions of deletion and contraction for the class of set functions from finite sets into the integers are defined. An operation on a subclass of such set functions is a function from the subclass into itself that preserves ground sets and respects isomorphism. The operations on set functions that interchange deletion and contraction are characterised, as are those with the further property of being involutary. Similar results are given for polymatroids. There is a unique involutary operation on the class of k-polymatroids that interchanges deletion and contraction. The results generalise those of Kung [3].

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Jha, N. K. „A Discrete Data Base Multiple Objective Optimization of Milling Operation Through Geometric Programming“. Journal of Engineering for Industry 112, Nr. 4 (01.11.1990): 368–74. http://dx.doi.org/10.1115/1.2899601.

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The optimum process planning of the milling operation has been attempted through multiple objectives. A multiple objective function based on cost of production and rate of production in milling operations has been developed. The unified objective function thus developed serves as true arbiter balancing the values and objectives of local or individual objective functions. Most of the machine settings are discrete in nature and this has been considered in computerized production planning of milling. The complete approach has been demonstrated through an example.

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Jiang, Wei, Gan Zuo, De Hua Zou, Hongjun Li, Jiu Jiang Yan und Gao Cheng Ye. „Autonomous Behavior Intelligence Control of Self-Evolution Mobile Robot for High-Voltage Transmission Line in Complex Smart Grid“. Complexity 2020 (05.11.2020): 1–17. http://dx.doi.org/10.1155/2020/8843178.

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In complex smart grid, the power maintenance robot is important equipment to ensure the reliable operation of high-voltage lines and it is a useful exploration to realize high-quality power transmission. In view of the increasingly prominent contradiction between the robot single operation function and the diversification of power grid maintenance operations, additional with the robot weak autonomous operation and intelligent behavior ability, this paper proposes a new configuration of a reconfigurable power robot with terminal functions and its autonomous operation behavior control method for the three typical tasks which are the high-voltage transmission line insulators, drainage plates, and dampers maintenance. Through the analysis and planning of the robot operation behavior, the robot finite state machine (FSM) model in the three operation states has been established. Through the introduction of the state transfer function in the FSM, the automatic switching control between the robot key operation states can be realized, and the robot motion planning can be optimized. The movement and working flow of the robot improve the robot operation intelligence and operation efficiency. Based on this, the robot autonomous operation control system has been designed and the robot physical prototype has been developed for three maintenance tasks of insulators, drainage plates, and dampers. Finally, simulation experiments and field operation tests verify the effectiveness and engineering practicability of the proposed method. Compared with traditional manual control, the autonomous behavior control method can significantly improve the robot operational efficiency and operational intelligence. At the same time, the robot multitask function and autonomous behavior control under different tasks can be realized and the method has strong versatility for different task objects and different line environments. The research and its promotion have important theoretical significance and practical application value for the power system operation and maintenance integration management.

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Nielsen, Henrik, und Thomas Borup Kristensen. „Impact of lean operations on the roles of finance functions and their application of lean“. European Business Review 32, Nr. 4 (29.06.2020): 731–63. http://dx.doi.org/10.1108/ebr-10-2019-0277.

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Purpose This paper aims to study the relations between lean operations, lean principles in finance functions and the roles of finance functions. Design/methodology/approach The paper uses structural equation modeling to analyze data from 408 different firms in the Danish production and services sectors. A dyadic approach is applied, as a sub-sample of 107 chief operating officers in the responding firms is used to investigate the construct validity, reliability and average deviation index of the instrument measuring the roles of finance functions. Findings The paper finds that lean-operation firms emphasize four different yet interdependent roles of finance functions. The paper also finds that lean operation leads to firms’ finance functions adopting lean principles. Research limitations/implications This paper characterizes lean-operation firms as contextually ambidextrous to predict relations between lean operation and roles of finance functions. The paper expands prior case study findings on the roles of finance functions in lean-operation firms, and the findings of the paper underline that finance functions continue to play an important role in these firms. Practical implications Decision-makers in lean-operation firms should not be hesitant with respect to integrating finance function workers into the lean operation. Furthermore, decision-makers should understand that a balanced emphasis of the roles of finance functions is necessary to avoid overemphasizing exploitation at the expense of exploration, or vice versa. Originality/value To the best of the authors’ knowledge, this is the first paper to provide large-scale evidence of the roles of finance functions in lean-operation firms and to show that lean principles diffuse to finance functions. Furthermore, the paper introduces a new instrument for measuring finance function roles, based on the competing values framework.

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Valueva, Maria, Georgii Valuev, Nataliya Semyonova, Pavel Lyakhov, Nikolay Chervyakov, Dmitry Kaplun und Danil Bogaevskiy. „Construction of Residue Number System Using Hardware Efficient Diagonal Function“. Electronics 8, Nr. 6 (20.06.2019): 694. http://dx.doi.org/10.3390/electronics8060694.

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The residue number system (RNS) is a non-positional number system that allows one to perform addition and multiplication operations fast and in parallel. However, because the RNS is a non-positional number system, magnitude comparison of numbers in RNS form is impossible, so a division operation and an operation of reverse conversion into a positional form containing magnitude comparison operations are impossible too. Therefore, RNS has disadvantages in that some operations in RNS, such as reverse conversion into positional form, magnitude comparison, and division of numbers are problematic. One of the approaches to solve this problem is using the diagonal function (DF). In this paper, we propose a method of RNS construction with a convenient form of DF, which leads to the calculations modulo 2 n , 2 n − 1 or 2 n + 1 and allows us to design efficient hardware implementations. We constructed a hardware simulation of magnitude comparison and reverse conversion into a positional form using RNS with different moduli sets constructed by our proposed method, and used different approaches to perform magnitude comparison and reverse conversion: DF, Chinese remainder theorem (CRT) and CRT with fractional values (CRTf). Hardware modeling was performed on Xilinx Artix 7 xc7a200tfbg484-2 in Vivado 2016.3 and the strategy of synthesis was highly area optimized. The hardware simulation of magnitude comparison shows that, for three moduli, the proposed method allows us to reduce hardware resources by 5.98–49.72% in comparison with known methods. For the four moduli, the proposed method reduces delay by 4.92–21.95% and hardware costs by twice as much by comparison to known methods. A comparison of simulation results from the proposed moduli sets and balanced moduli sets shows that the use of these proposed moduli sets allows up to twice the reduction in circuit delay, although, in several cases, it requires more hardware resources than balanced moduli sets.

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Fukuzawa, Mitsuhiro. „Function of value stream mapping in operations management journals“. Annals of Business Administrative Science 19, Nr. 5 (15.10.2020): 207–25. http://dx.doi.org/10.7880/abas.0200909a.

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OKABE, Akira, und Ryûki MATSUDA. „Kronecker function rings of semistar operations on semigroups, II“. Mathematical journal of Ibaraki University 40 (2008): 1–10. http://dx.doi.org/10.5036/mjiu.40.1.

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Perry, Ronald W. „The structure and function of community emergency operations centres“. Disaster Prevention and Management: An International Journal 4, Nr. 5 (Dezember 1995): 37–41. http://dx.doi.org/10.1108/09653569510100983.

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Junk, Julian. „Function Follows Form: The Organizational Design of Peace Operations“. Journal of Intervention and Statebuilding 6, Nr. 3 (September 2012): 299–324. http://dx.doi.org/10.1080/17502977.2012.655627.

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Gupta, Mahesh C. „Environmental management and its impact on the operations function“. International Journal of Operations & Production Management 15, Nr. 8 (August 1995): 34–51. http://dx.doi.org/10.1108/01443579510094071.

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42

Fontana, Marco, und K. Alan Loper. „Nagata Rings, Kronecker Function Rings, and Related Semistar Operations“. Communications in Algebra 31, Nr. 10 (10.01.2003): 4775–805. http://dx.doi.org/10.1081/agb-120023132.

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Wei, Jia, Hongmei Jing und Dahe Liu. „Extended logical function morphological operations and its optical implementation“. Optik 120, Nr. 4 (Februar 2009): 169–73. http://dx.doi.org/10.1016/j.ijleo.2007.08.002.

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Jones, T. Hugh, Steven M. Hunter, Alun Price und Gianni D. Angelini. „Should thyroid function be assessed before cardiopulmonary bypass operations?“ Annals of Thoracic Surgery 58, Nr. 2 (August 1994): 434–36. http://dx.doi.org/10.1016/0003-4975(94)92223-3.

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45

TOROI, George-Ion. „INFORMATION ACTIVITIES – ESSENTIAL WARFIGHTING FUNCTION IN TODAY’S MILITARY OPERATIONS“. STRATEGIES XXI - Command and Staff College 17, Nr. 1 (26.07.2021): 70–77. http://dx.doi.org/10.53477/2668-2028-21-07.

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Abstract: The nature of recent military conflicts, largely unconventional, essentially involves two common features related to the type of actors involved and the methods used. If regarding the first of these, one can observe that the tendency is of metamorphosis of conflicts towards the area where state actors are forced to confront malignant non-state actors, such as terrorists or insurgents, the second refers to the methods used in such confrontations, most of them having an unconventional character, which does not comply with international conventions or the laws and principles of armed conflict, methods that have, because of the unprecedented technological development, increased in number and intensity. In this context, military forces have tried to adapt their approach to conflicts, to adjust their force structures, types of operations, but also the related procedures to try to find an optimal response in countering such behaviors. Against this background, the concept of information operations has acquired an essential importance, the use of actions subsumed to it offering the possibility of military force to create effects in the psychological dimension by influencing the target audience, with immeasurably greater results than the classical approach, with effects only in physical dimension.

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Kuznetsova, Inna, Yuliia Karpenko und Iryna Vidomenko. „Technology of operational management in the activities of port elevators“. Independent Journal of Management & Production 11, Nr. 8 (01.05.2020): 762. http://dx.doi.org/10.14807/ijmp.v11i8.1203.

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The article deals with the main problems of port elevators, which lead to incomplete use of their capacities. They include: the problem of reducing the capacity factor of the elevator capacity, the problem of lack of rhythm of grain picking operations, the problem of inconsistency with railway transport, the problem of storage of different crops and crops of different quality, the problem of loss of time during the shipment of grain to the ship. The necessity of detailed planning of port elevators' operations by the determination of flows of work passing through the system, as well as the control of their implementation, is proved. The graphical model of implementation of the operational function of the port elevator is suggested, which will allow to coordinate its operations and to check the possibility of their implementation during the departure period of the ship. This model establishes the order of operations, as well as the main planning documents that regulate them. The use of a technological map of the implementation of the operational function for describing the list and sequence of basic operations for the formation of a ship batch and its shipment, conditions and requirements for their implementation, as well as information about the equipment used, is suggested. The graphical model and the technological map of the implementation of the port elevator's operational function provide information on the rational sequence and coherence of the operations' planning for the formation of the ship party and its shipment, which reduces the time loss, provides the opportunity to coordinate the work of the elevator with its transportation system.

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Salmela, Perttu, Adrian Burian, Tuomas Järvinen, Aki Happonen und Jarmo Henrik Takala. „Low-Complexity Inverse Square Root Approximation for Baseband Matrix Operations“. ISRN Signal Processing 2011 (16.02.2011): 1–8. http://dx.doi.org/10.5402/2011/615934.

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Baseband functions like channel estimation and symbol detection of sophisticated telecommunications systems require matrix operations, which apply highly nonlinear operations like division or square root. In this paper, a scalable low-complexity approximation method of the inverse square root is developed and applied in Cholesky and QR decompositions. Computation is derived by exploiting the binary representation of the fixedpoint numbers and by substituting the highly nonlinear inverse square root operation with a more implementation appropriate function. Low complexity is obtained since the proposed method does not use large multipliers or look-up tables (LUT). Due to the scalability, the approximation accuracy can be adjusted according to the targeted application. The method is applied also as an accelerating unit of an application-specific instruction-set processor (ASIP) and as a software routine of a conventional DSP. As a result, the method can accelerate any fixed-point system where cost-efficiency and low power consumption are of high importance, and coarse approximation of inverse square root operation is required.

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Jech, Thomas. „Positive ∑ operations on ordinals and normal filters on greatly mahlo cardinals“. Journal of Symbolic Logic 54, Nr. 1 (März 1989): 226–33. http://dx.doi.org/10.2307/2275027.

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If ℱ is a normal filter on a regular uncountable cardinal κ, let ║f║ be the ℱ-norm of an ordinal function f. We introduce the class of positive ordinal operations and prove that if F is a positive operation then ║F(f)║ ≥ F(║f║). For each η < κ+ let fη be the canonical ηth function. We show that if F is a ∑ operation then F(fη) = fF(η).As an application we show that if κ is greatly Mahlo then there are normal filters on κ of order greater than κ+.

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Piatakov, Anatolii I., Iurii I. Beresnev, Aleksandr I. Moiseev und Vladimir V. Kalnikov. „LOGISTIC SUPPORT FOR OPERATION OF COMPUTER-AIDED TOOLS OF THE SPECIFIC-APPLICATION CONTROL SYSTEMS“. Автоматизация Процессов Управления 62, Nr. 4 (2020): 15–22. http://dx.doi.org/10.35752/1991-2927-2020-4-62-15-22.

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Complicating functions of computer-aided tools of specific application control systems prioritize the task of keeping a highdegree alert performed by the operations services in the presence of component failures. Besides its primary function, the operations service provides the logistic support, maintenance and repair, storage, etc. Thus, it includes all the functions of the logistic support system. The article deals with such problems of the logistic support as planning, preparing and delivery of spare parts used to repair and recover systems. The authors analyzed customer’s requirements, which ensure stable operation of the specific application computer-aided systems. They discovered that one of activities intended to meet the customer’s requirements is preparing spare parts, which provide the operational onsite repair. Currently there are no governing documents specifying the procedure of spare parts preparation. The article proposes an approach to preparing optimal quantity of spare parts based on failure statistics over the past period and forecasting the number of possible failures over the planned period of time. The authors propose the widely-known method of exponential smoothing as a forecast model, which allows giving an unbiased estimate both for stationary time series, and for polynomial ones. Keywords: logistic support, operation of computer-aided tools, spare parts, preparation of optimal quantity of spares, forecasting of line time series, exponential smoothing.

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Raicevic, Milica, und Dijana Medenica Mitrovic. „Social responsibility of banks in the function of comparative advantage on the market“. Economic Analysis 51, Nr. 1-2 (27.06.2018): 92. http://dx.doi.org/10.28934/ea.18.51.12.pp92-102.

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The business operation of companies is not neutral and is not perceived any more in terms of profitable operations, but also in terms of whether it is beneficial for the society. Social responsibility contributes to improving relationships with key stakeholders, thus contributing to the long-term sustainability of the company. The paper points out to the positive link between corporate social responsibility (CSR) and the reputation of the bank. Without CSR, neither the improvement nor the expansion of banking operations is possible. The aim is to point out that profit and CSR are not opposed categories and that the CSR of banks represents a strong comparative advantage on the market. The paper gives a theoretical and practical overview of the concept of corporate social responsibility (CSR), with a focus on the banking sector.

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