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Journal articles on the topic 'Influence numbers method'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Jonšta, Petr, Petr Maršálek, Jiří Havlík, Zdenĕk Jonšta, and Jan Valíček. "Influence of Spur Gears Hardened Method to Allowable Stress Numbers for Bending." Key Engineering Materials 607 (April 2014): 11–14. http://dx.doi.org/10.4028/www.scientific.net/kem.607.11.

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The presented paper deals with comparison of spur gears classical and modern hardening process of the bending fatigue properties. It concerned particularly the hardened surface of the tooth flank using optical source of electromagnetic radiation. The results of fatigue tests were obtained on a servo-hydraulic testing machine LFV 100 kN made by walter+bai ag. These tests were defined by the standard ISO 6336 as method B, when testing is carried out under reference conditions close to the real operation. Comparison of test samples is also carried out on the basic of the achieved local hardness a

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Yang, Lian Wu. "Projection Method for Material Selection Problem with Interval Numbers." Advanced Materials Research 1022 (August 2014): 14–17. http://dx.doi.org/10.4028/www.scientific.net/amr.1022.14.

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Material selection problem is important for the product design, and contains many influence factors. Thus it is actually a multi-attribute decision making (MADM) problems. The aim of this paper is to propose a new decision method based on the projection method for the material selection problem, in which attribute values expressed with interval numbers. An objective determining weights method is proposed according to coefficient of variation method. A practical example is used to illustrate the effectiveness and practicability of the proposed method.

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Yang, Lian Wu, Shi Xiao Xiao, and Shao Liang Yuan. "Projection Method for Material Selection Problem with Triangular Fuzzy Numbers." Advanced Materials Research 1046 (October 2014): 375–79. http://dx.doi.org/10.4028/www.scientific.net/amr.1046.375.

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The aim of this paper is to develop a new method for the material selection problem, which is important for the product design. Material selection problem is actually a multi-attribute decision making (MADM) problem which contains many influence factors. The new material selection method is an extension of projection method with evaluation attribution values expressed with triangular fuzzy numbers. Coefficient of variation method is used to determine weights of evaluation attribute. A grinding wheel abrasive material selection problem is used to illustrate the effectiveness and practicability

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Xu, You-Sheng, Rui-Min Wang, Guo-Neng Li, and You-Qu Zheng. "Numerical Simulation of Driven Convective Heat Transfer Based Lattice Boltzmann Method in a Porous Cavity." Journal of Chemistry 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/710341.

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A lattice Boltzmann model of the uniform velocity, driven convective thermal conductivity in a porous cavity is studied. The Darcy, Richardson, and Reynolds numbers are shown to have a significant influence on the heat transfer behavior and the horizontal velocity of the flow field, while the porosity has little influence on either. The model is validated by the average Nusselt number at different Reynolds numbers, and the numerical results are in good agreement with available published data.

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Yuan, Shao Liang, and Hui Zhou. "Relative Ratio Method for Material Selection Problem with Interval Numbers." Advanced Materials Research 1021 (August 2014): 29–32. http://dx.doi.org/10.4028/www.scientific.net/amr.1021.29.

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Material selection is an important research aspect for manufacturing companies. To select a best material, many different tools are used to measure the candidate materials for many influence factors and in different situations, which will give a range of values. These measure values can be depicted with interval numbers. Then the material selection problem is actually a multi-attribute decision making (MADM) problem. Then this paper we will propose a MADM method based on the relative ratio method for the material selection problem. Coefficient of variation method will be used to determine the

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Leng, Jian Hua. "Grinding Wheel Abrasive in Material Selection Using Fuzzy Grey Relation Analysis Method." Advanced Materials Research 1022 (August 2014): 18–21. http://dx.doi.org/10.4028/www.scientific.net/amr.1022.18.

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Material selection is an important step of product design process. There are often several influence factors in the grinding wheel abrasive material selection problem. This article will put forward a fuzzy grey relation analysis method to the grinding wheel abrasive material selection problem which influences factor (evaluation attribute) values expressed with triangular fuzzy numbers. The Coefficient of variation method will be adopted to determine the evaluation attributes’ weight. Finally, an example is used to analysis the effectiveness and feasibility of the proposed method.

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Yang, Lian Wu. "Grey Relation Analysis Method for Material Selection Problem with Interval Numbers." Advanced Materials Research 1014 (July 2014): 492–96. http://dx.doi.org/10.4028/www.scientific.net/amr.1014.492.

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Material selection is an important step in the product design process. Material selection problem contains many influence factors, and thus it is actually a multi-attribute decision making problem. In some situations, measure values cannot or unsuitable to be depicted by crisp numbers. Interval number is a suitable selection in these situations, and for the material selection problem with interval numbers, a new decision making method is developed based on grey relation analysis method. The attribute weights will be determined by the coefficient of variation method. Finally, a practical exampl

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Kevinli and Pesta Gultom. "Pengaruh Ekuitas Merek, Harga Dan Lokasi Terhadap Keputusan Pembelian Konsumen Pada Quality Fried Chicken Jalan Ismaliyah Medan." Jurnal Manajemen Bisnis Eka Prasetya : Penelitian Ilmu Manajemen 6, no. 1 (2020): 44–53. http://dx.doi.org/10.47663/jmbep.v6i1.36.

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This study aims to determine whether brand equity influences the purchasing decision of Quality Fried Chicken, knowing whether the price influences the purchasing decision of Quality Fried Chicken, knowing whether the location influences the purchasing decision of Quality Fried Chicken and knowing whether brand equity, price and location are equally influential towards the purchase decision for Quality Fried Chicken. The research methodology used is descriptive quantitative method. The type of data used in this study is quantitative data, namely data obtained in the form of numbers or numbers.

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Omidvari, Manouchehr, Seyyed Morteza Abootorabi, and Hossein Mehrno. "An investigation of the influence of managerial factors on industrial accidents in the construction industry using the gray FTA method." Grey Systems: Theory and Application 6, no. 1 (2016): 96–109. http://dx.doi.org/10.1108/gs-01-2016-0001.

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Purpose – The statistical report published by the Iranian Social Security Organization in 2012 showed that, of all industries, the construction industry is associated with the highest number of work-related accidents. Furthermore, as this sector contains a large human workforce, identification of the factors contributing to the occurrence of such accidents is vital. The paper aims to discuss these issues. Design/methodology/approach – Furthermore, as this sector contains a large human workforce, identification of the factors contributing to the occurrence of such accidents is vital. In the pre

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Wen, Hua Dian, Xiao Ting Xiao, Li Guang Tan, Kai Zhang, and Ying Chen. "The Influence of Process Parameters on the Branch Height for Air Handling Unit." Advanced Materials Research 314-316 (August 2011): 759–62. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.759.

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Multi-way tube on air conditioning header is considered as the research objective .Finite element simulation method is utilized to simulate and analyze the influence of process parameters on branch height such as branch diameter、branches distance、branch numbers、tube thickness and die fillet radius. The result shows that with the increase of branch diameter, die fillet radius and tube thickness, the branch height increases. It also shows that with the increase of branch numbers and branches distance, the branch height decreases generally.

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Li, Cunbin, Jiahang Yuan, and Zhiqiang Qi. "Risky Group Decision-Making Method for Distribution Grid Planning." International Journal of Emerging Electric Power Systems 16, no. 6 (2015): 591–602. http://dx.doi.org/10.1515/ijeeps-2015-0077.

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Abstract With rapid speed on electricity using and increasing in renewable energy, more and more research pay attention on distribution grid planning. For the drawbacks of existing research, this paper proposes a new risky group decision-making method for distribution grid planning. Firstly, a mixing index system with qualitative and quantitative indices is built. On the basis of considering the fuzziness of language evaluation, choose cloud model to realize “quantitative to qualitative” transformation and construct interval numbers decision matrices according to the “3En” principle. An m-dime

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Ashraf, Shahzaib, Saleem Abdullah, and Lazim Abdullah. "Child Development Influence Environmental Factors Determined Using Spherical Fuzzy Distance Measures." Mathematics 7, no. 8 (2019): 661. http://dx.doi.org/10.3390/math7080661.

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This paper aims to resolve the issue of the ranking of the fuzzy numbers in decision analysis, artificial intelligence, and optimization. In the literature, many ideas have been established for the ranking of the fuzzy numbers, and those ideas have some restrictions and limitations. We propose a method based on spherical fuzzy numbers (SFNs) for ranking to overcome the existing restrictions. Further, we investigate the basic properties of SFNs, compare the idea of spherical fuzzy set with the picture fuzzy set, and establish some distance operators, namely spherical fuzzy distance-weighted ave

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Mao, Wenxin, Dang Luo, and Huifang Sun. "A multi-scale extended grey target decision method that considers the value distribution information of grey numbers." Grey Systems: Theory and Application 7, no. 1 (2017): 97–110. http://dx.doi.org/10.1108/gs-10-2016-0036.

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Purpose The purpose of this paper is to propose a multi-scale extended grey target decision method for dealing with multi-attribute decision-making problems with interval grey numbers whose value distribution information is asymmetrical. Design/methodology/approach First, the whitenization weight function (WWF) was adopted to show the value distribution information of interval grey numbers. The definitions of kernel, degree of greyness, relative kernel and whitenization standard deviation of interval grey numbers were given based on the WWF. Then, the relative kernel grey target and whitenizat

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Tumer, Irem Y., Raul G. Longoria, and Kristin L. Wood. "Signal Analysis Using Karhunen-Loe`ve Transformation: Application to Hydrodynamic Forces." Journal of Offshore Mechanics and Arctic Engineering 122, no. 3 (2000): 208–13. http://dx.doi.org/10.1115/1.1286923.

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This paper describes a signal analysis method using the Karhunen-Loe`ve (KL) transform, and applies the method to the analysis of hydrodynamic force data collected from controlled laboratory experiments. To demonstrate feasibility, the study focuses on inline forces induced on fixed cylinders exposed to oscillatory flows, with increasing Keulegan-Carpenter numbers. This preliminary example illustrates how this force makes a transition from the inertia-dominated region at low Keulegan-Carpenter numbers up into higher Keulegan-Carpenter numbers where the nonlinear effects of the flow-structure i

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15

Kumaran, G., Oluwole Daniel Makinde, and R. Sivaraj. "Unsteady Magnetohydrodynamic Flow Past a Slendering Stretching Surface with Thermophoresis and Brownian Motion." Defect and Diffusion Forum 387 (September 2018): 653–65. http://dx.doi.org/10.4028/www.scientific.net/ddf.387.653.

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In this paper, we investigate the influence of non uniform heat source/sink and thermal radiation on magnetohydrodynamic flow past a slendering surface with the influence of thermophoresis and Brownian effects. The governing non-linear flow problem is solved numerically by the aid of RK based shooting method. Influence of dimensionless parameters on the velocity, temperature and concentration profiles are explored through graphical illustrations. Skin friction factor, Nusselt and Sherwood numbers are presented and discussed. Rising values of magnetic and thermophoresis parameters increase the

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Ghaffari, Abuzar, Waqar Khan, and Irfan Mustafa. "Effects of gaseous slip flow and temperature jump on entropy generation rate in rectangular microducts." Thermal Science 24, no. 5 Part A (2020): 3001–11. http://dx.doi.org/10.2298/tsci181115029g.

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In this study, the influence of slip flow and temperature jump on the entropy generation rate are investigated in rectangular microducts. The Knudsen numbers are considered in the range between 0.001 and 0.1, and the aspect ratio lies between 0 and 1. The dimensionless governing equations are solved numerically using Chebyshev spectral collocation method, and the dimensionless velocity and temperature gradients are employed in the entropy generation model. The influences of the dimensionless numbers including Bejan number and irreversibility distribution ratio on the entropy generation rates a

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Niu, Xiaofeng, Guanqian Wang, Wei Liang, Hua Hou, Hongxia Wang, and Jinshan Zhang. "Application of Fuzzy Set Theory to Quantitative Analysis of Correctness of the Mathematical Model Based on the ADI Method during Solidification." Mathematical Problems in Engineering 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/894384.

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The explicit finite difference (EFD) method is used to calculate the casting temperature field during the solidification process. Because of its limited time step, the computational efficiency of the EFD method is lower than that of the alternating direction implicit (ADI) method. A model based on the equivalent specific heat method and the ADI method that improves computational efficiency is established. The error of temperature field simulation comes from model simplification, the acceptable hypotheses and calculation errors caused by different time steps, and the different mesh numbers that

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18

Li, Yu Chun, Xiao Jie Zhang, and Shi Wen Jia. "A CFD Simulation of Strouhal Number for U-Shaped Section Aqueducts." Applied Mechanics and Materials 204-208 (October 2012): 4738–41. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.4738.

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The method of computational fluid dynamics (CFD, Fluent code) was applied to simulate the Strouhal numbers of the empty and fulfilled U-shaped sections. Based on the N-S equation and k-ε turbulence model, the effects of Reynolds numbers and height/width ratios of the sections on the Strouhal numbers were investigated. The results of this study show that the Reynolds number has little influence on the Strouhal numbers, which decrease with the increase of height/width ratios of the sections. The conclusion of present study provides a foundation for the further study of vortex-induced vibration o

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19

Bouakkaz, Rafik, Yacine Khelili, and Aliouali Abdelouahed. "Influence of CuO nanoparticles in enhancing the overall heat transfer around a square cylinder." Metallurgical and Materials Engineering 25, no. 3 (2019): 225–36. http://dx.doi.org/10.30544/435.

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In this study, steady flow and heat transfer through a copper–water nanofluid around a square cylinder was investigated numerically by using a finite-volume method for Reynolds numbers of 10-40. Furthermore, the range of nanoparticle volume fractions () considered is 0 ≤ ≤ 0.04, with three different nanoparticle diameters dnp = 30, 60 and 90 nm. The variation of the local and the average Nusselt numbers with Reynolds number, and volume fractions are presented for the range of above conditions. The averaged Nusselt number showed clear enhancement comparing with the base fluids. This enhancement

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Li, Jian Yong, Guang Xiang Yuan, Yu Min Zhang, and Zhi Quan Huang. "Simulation of Rock Fractures by Monte Carlo Method." Advanced Materials Research 1061-1062 (December 2014): 605–8. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.605.

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Discontinuities have an important influence on deformation and failure of rock mass in practical engineering. It is one of the key issues in modern rock mechanics to investigate geometric characteristics of joints and fractures inside the rock mass such as shape, size, location and direction etc. Based on the deep analysis of the above geometric properties, it is proposed that the stochastic fractures in the rock mass can be simulated with the random numbers generated by the Monte Carlo method. The related algorithm is designed and implemented. The correctness and effectiveness of the algorith

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21

Cwiková, Olga, and Gabriela Franke. "Influence of different storage conditions on the occurrence of Enterococci in smear ripened cheeses." Potravinarstvo Slovak Journal of Food Sciences 14 (November 28, 2020): 1131–36. http://dx.doi.org/10.5219/1361.

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The number of enterococci was monitored in smear-ripened cheeses stored under different temperature regimes. Sampling and subsequent analyses were performed on the day of manufacture (A/0 = B/0 = C/0), at the end of BBD (A/35, B/35, C/35), two weeks after BBD (A/49, B/49), and eight weeks after BBD (C/91). No statistical difference (p >0.05) was found in the numbers of enterococci in cheeses stored under different temperature regimes until the Best-Before date or at the end of monitoring after 49 and 91 days respectively. At the beginning of storage (A/0, B/0, C/0), the numbers of enterococ

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Wang, Chaowei, Weidong Wang, Cheng Wang, Shuai Wang, and Yang Yu. "A Fast Adaptive Receive Antenna Selection Method in MIMO System." International Journal of Antennas and Propagation 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/175783.

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Antenna selection has been regarded as an effective method to acquire the diversity benefits of multiple antennas while potentially reduce hardware costs. This paper focuses on receive antenna selection. According to the proportion between the numbers of total receive antennas and selected antennas and the influence of each antenna on system capacity, we propose a fast adaptive antenna selection algorithm for wireless multiple-input multiple-output (MIMO) systems. Mathematical analysis and numerical results show that our algorithm significantly reduces the computational complexity and memory r

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Ruzicka, Vladimir, Lucie Malikova, and Stanislav Seitl. "Over-deterministic method: The influence of rounding numbers on the accuracy of the values of Williams’ expansion terms." Frattura ed Integrità Strutturale 11, no. 42 (2017): 128–35. http://dx.doi.org/10.3221/igf-esis.42.14.

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Li, Xiao Li, Lan Wang, and Yu Li. "Correlate Toxicity Order Numbers with Metal Ion Characteristics through the Ridge Regression (RR) Method." Advanced Materials Research 599 (November 2012): 155–58. http://dx.doi.org/10.4028/www.scientific.net/amr.599.155.

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In this paper, we use 9 ion characteristics (choose from 14 ion characteristics by correlation analysis) in 19 metals to construct the simulate model through ridge regression (RR) which can remove the high multicollinearity among the ion characteristics. Two multi-parameter regression models were established: the first multi-parameter QICAR model was used to distinguish the quantitative relationship between the ion characteristics and toxicity order numbers (TON). We can found that the parameters AN, Xm, AN/ΔIP, AW and Xm2r have positive coefficients, and AN and AW have the more contribution t

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Skyba, O., I. Domanov, and V. Kravchenko. "INVESTIGATION OF RISKS OF INFLUENCE OF THE RESULTS OF THE OPERATION DIVISION ON THE QUALITY OF PSEUDO-RANDOM VALUE GENERATORS EMBEDDED IN THE SOFTWARE." Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки, no. 8 (June 29, 2021): 126–33. http://dx.doi.org/10.37701/dndivsovt.8.2021.13.

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The article is devoted to certain approaches that concerned a checking random values obtained from the generator of random (pseudorandom) values. The article provides the results of a practical research of the numbers which are obtained during the division operation. The research was directed to find out the ratio of even and odd numbers in a quotients and remainders in the results of performing of the division operation. The analysis was carried out due to the fact that the remainder and quotient of division is widely used in various algorithms of software tools intended for generating

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Dobkiewicz-Wieczorek, Ewa. "Influence of three surface condensers connection setup on power plant unit performance." E3S Web of Conferences 137 (2019): 01027. http://dx.doi.org/10.1051/e3sconf/201913701027.

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This paper presents a comparison of three surface condenser connection setups on the cooling water side. Serial, mixed and parallel connections were considered. The thermodynamic justification for the use of more complex configurations was verified. The analysis was conducted based on the calculated heat balances of verified power units for nominal and not nominal parameters for tested connections. The exhaust steam pressure was calculated using the technical data of the surface condenser and cooling water parameters. Three methods of calculating the heat transfer coefficient based on characte

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Sari, Novi Primita. "MINIMUM WAGE IMPLICATIONS AND POVERTY NUMBERS EAST JAVA PROVINCE." Jurnal Ekonomi Pembangunan 16, no. 2 (2018): 121. http://dx.doi.org/10.22219/jep.v16i2.8218.

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An area is said to be advanced if the number of people living below the poverty line is getting smaller. But the problem of poverty is not an easy matter to solve, many factors that lead to faster growth every year. This study aims to analyze the implications of GRDP, the determination of regional minimum wages (UMR) and unemployment rates for the number of poor people in East Java Province. The method used in this study is a regression analysis with panel data covering, Regency and City GRDP data throughout the East Java Province, 2015 to 2016 UMR and unemployment in all Regency and City regi

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Sari, Novi Primita. "MINIMUM WAGE IMPLICATIONS AND POVERTY NUMBERS EAST JAVA PROVINCE." Jurnal Ekonomi Pembangunan 16, no. 2 (2018): 115. http://dx.doi.org/10.22219/jep.v16i2.9067.

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An area is said to be advanced if the number of people living below the poverty line is getting smaller. But the problem of poverty is not an easy matter to solve, many factors that lead to faster growth every year. This study aims to analyze the implications of GDRP, the determination of regional minimum wages (UMR) and unemployment rates for the number of poor people in East Java Province. The method used in this study is a regression analysis with panel data covering, Regency and City GDRP data throughout the East Java Province, 2015 to 2016 UMR and unemployment in all Regency and City regi

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Kaufhold, Annemarie E., Johannes Hirschberger, Sven Reese, Gesine Foerster, and Jutta Hein. "A comparison of manual counting of rabbit reticulocytes with ADVIA 2120i analyzer counting." Journal of Veterinary Diagnostic Investigation 30, no. 3 (2018): 337–41. http://dx.doi.org/10.1177/1040638717750428.

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We compared manual counting of reticulocytes in rabbits with automatic counting using an ADVIA 2120i analyzer. Reproducibility and the influence of different anticoagulants (EDTA and Li-heparin) were also examined. Blood samples of 331 rabbits (method comparison, n = 289; reproducibility, n = 33; comparison of anticoagulants, n = 9) were tested. The reticulocyte numbers of each specimen were manually determined twice for method comparison. Passing–Bablok regressions, Bland–Altman plots, and the coefficient of variation (CV) were used to evaluate statistical significance. Good correlation (rs =

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Guo, Qifeng, Zhihong Dong, Meifeng Cai, Fenhua Ren, and Jiliang Pan. "Safety Evaluation of Underground Caverns Based on Monte Carlo Method." Mathematical Problems in Engineering 2020 (January 13, 2020): 1–7. http://dx.doi.org/10.1155/2020/7214720.

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In order to study the influence of joint fissures and rock parameters with random characteristics on the safety of underground caverns, several parameters affecting the stability of surrounding rock of underground caverns are selected. According to the Monte Carlo method, random numbers satisfying normal distribution characteristics are established. A three-dimensional model of underground caverns with random characteristics is established by discontinuous analysis software 3DEC and excavation simulations are carried out. The maximum displacement at the numerical monitoring points of arch and

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Suhesti, Endang, Eko Widaryanto, Budi Waluyoh, and Sri Winarsih. "COMPREHENSIVE EFFORTS SEED QUALITY IMPROVEMENT OF SUGARCANE (SACCHARUMOFFICINARUM L.) THROUGH A SINGLE METHOD BUD PLANTING A GARDEN SEEDS AND PLANTING MATERIAL." International Journal of Research -GRANTHAALAYAH 6, no. 4 (2018): 111–20. http://dx.doi.org/10.29121/granthaalayah.v6.i4.2018.1486.

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The study was designed to improve the quality of the SBP as milled cane planting material by improving the early growth of plants. Research carried out gradually implemented in the Indonesian Sugar Plantation Research Center (P3GI) Pasuruan, using two varieties of sugarcane are varieties Bululawang and PS 862 with numbers 7-16 buds. Germination (%), was observed on the 15th day after planting (DAP) and the growth of the plant include: plant height, number of leaves, leaf area, as well as the production of biomass include: Dry weight (DW) and fresh weight (FW) plant organs (leaves, stems, and r

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Ridwan, Ridwan, Reri Afrianita, and Yogi Kurniawan. "Modification of the Sedimentation Unit with Continuous Discharges Flow (CDF) as a New Method to Increase Turbidity Removal in Raw Water." Andalasian International Journal of Applied Science, Engineering and Technology 1, no. 1 (2021): 1–9. http://dx.doi.org/10.25077/aijaset.v1i1.6.

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This study applies a new method to remove the turbidity of raw water in the sedimentation unit called CDF sedimentation using the working principle of a leaky tank at the bottom of the tank. The test was carried out on a laboratory scale reactor of 240 L/hour for 6 hours consisting of a waterfall coagulation unit for 5 seconds and alum as a coagulant. perforated wall flocculation unit with 30 minutes detention time and 1 hour CDF sedimentation unit. The study was conducted with 4 variations of CDF, namely 0%, 1%, 3%, and 5% with turbidity of 75.25 NTU. The results showed the greater the CDF va

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Hulánková, Radka, Gabriela Bořilová, and Iva Steinhauserová. "Influence of Modified Atmosphere Packaging on the Survival of Salmonella Enteritidis PT 8 on the Surface of Chilled Chicken Legs." Acta Veterinaria Brno 79, no. 9 (2010): S127—S132. http://dx.doi.org/10.2754/avb201079s9s127.

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The aim of this study was to find whether low numbers of Salmonella in the presence of natural microflora will survive on the surface of chicken legs stored in 30% CO2/70% N2 and 20% CO2/80% O2. In four experiments, a total of 240 pieces of chicken leg were inoculated with a Salmonella Enteritidis, PT 8, wildtype strain resulting in initial concentrations of approximately 4 log, 2.5 log, 1.5 log and 0.5 log cells per piece and kept under selected modified atmospheres for 14 days. Counts of Salmonella were determined by the Most Probable Number method (MPN) at days 0, 3, 7, 10 and 14 of storage

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Bouchta, Said, and M’barek Feddaoui. "Numerical Simulation of Free Convection in a Three-Dimensional Enclosure Full of Nanofluid with the Existence a Magnetic Field." European Journal of Electrical Engineering 22, no. 6 (2020): 405–11. http://dx.doi.org/10.18280/ejee.220602.

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A numerical analysis was performed to study the influence of a magnetic field in free convection in a cube full with nanofluid. To solve the equation, we appeal to finite volume method. The SIMPLEC algorithm is used for pressure-velocity coupling. All walls are adiabatic, except for the left and right walls that are heated differently. The effects of the Rayleigh and Hartmann numbers, as well as the volume fraction of nanometric particles were studied. Results are conveyed in the form of isotherms, streamlines, velocity curves and Nusselt numbers. It has been shown that as the percentage of na

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Huang, Xiao Xiao, Wen Dong Xue, Jie Liu, and Fa Han. "Effect of Slit Structure of Purging Plug on Stress Field." Advanced Materials Research 418-420 (December 2011): 884–87. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.884.

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The three-dimensional model of purging plug was analyzed by the finite element method. The influence of slit structure (length, width, center radius and numbers) on the maximum principal stress was Contrastive studied in argon blowing process under the same boundary conditions.

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Miranti, Rina, and Taufik Hidayat. "THE INFLUENCE OF INCENTIVE PROGRAM TOWARDS EMPLOYEE MOTIVATION." Emerging Markets : Business and Management Studies Journal 2, no. 2 (2018): 52–67. http://dx.doi.org/10.33555/ijembm.v2i2.25.

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This study is focusing on the role of human resources by exploring the influence of incentive towards the work motivation. The method used in this research is quantitative research method. The primary and secondary data used by researchers obtained through direct observation to the Packing Section at PT. San Fu Indonesia, as well as making a questionnaire submitted to the management of the company to then be submitted to the employees of Packing Section as the subject of this study. The respondents were the employees with the total numbers of 65 employees.  The result shown that the ince

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Anjarsari, Agnes Fitri. "MODEL KOOPERATIF TIPE TPS TERHADAP HASIL BELAJAR KONSEP PERKALIAN BILANGAN CACAH MATEMATIKA ANAK TUNARUNGU." JPI (Jurnal Pendidikan Inklusi) 1, no. 1 (2018): 1. http://dx.doi.org/10.26740/inklusi.v1n1.p1-18.

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One of the deaf students disorders in mathematics lesson was their understanding toward the material of the concept of multiplication of numbers count mathematics so that it had less good impact to learning mathematics result. Based on the problem, this research applied cooperative learning of Think Pair Share (TPS) type with the purpose to analyze the influence of cooperative model of TPS type toward learning the concept of multiplication of numbers count mathematics result to hearing impairment students before and after going treatment.The approach used was quantitative with pre-experiment k

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Wu, Lei, Jason M. Reese, and Yonghao Zhang. "Solving the Boltzmann equation deterministically by the fast spectral method: application to gas microflows." Journal of Fluid Mechanics 746 (March 28, 2014): 53–84. http://dx.doi.org/10.1017/jfm.2014.79.

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AbstractBased on the fast spectral approximation to the Boltzmann collision operator, we present an accurate and efficient deterministic numerical method for solving the Boltzmann equation. First, the linearized Boltzmann equation is solved for Poiseuille and thermal creep flows, where the influence of different molecular models on the mass and heat flow rates is assessed, and the Onsager–Casimir relation at the microscopic level for large Knudsen numbers is demonstrated. Recent experimental measurements of mass flow rates along a rectangular tube with large aspect ratio are compared with nume

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Lin, Xi Chen, Rui Ping Zhou, and Neng Qi Xiao. "Influence Characteristics of Shaft and Disk Models on Natural Frequency of Single-Rotor System." Applied Mechanics and Materials 607 (July 2014): 490–94. http://dx.doi.org/10.4028/www.scientific.net/amm.607.490.

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From the calculation method of natural frequency of single-rotor system whirling vibration, this article puts forward corresponding dynamic equations. Several modeling of single-rotor system are established, with different numbers of shaft elements, relative number of degrees of freedom, four types of modeling the shaft and disk interface. Error and accuracy of natural frequency are analyzed with modeling properties. The above all mentioned results make it possible to summary influence characteristics of modeling for rotor system.

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Pilomonu, Rily, Niswatin Niswatin, and La Ode Rasuli. "Pengaruh Pengendalian Internal Terhadap Pengelolaan Dana Zakat Pada BAZNAS Di Provinsi Gorontalo." Jambura Accounting Review 2, no. 1 (2021): 41–52. http://dx.doi.org/10.37905/jar.v2i1.26.

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The research was aimed at finding out the influence of internal control on zakat funds management at the National Zakat Board (BAZNAS) in Gorontalo Province. The method employed in this research was a quantitative method. The population of this research was the whole of employees at the National Zakat Board in Gorontalo Province, which amounted to 91 employees. In addition, the sampling technique used was saturated sampling, where the numbers of samples as much as 30 people. The technique of data collection applied simple linier regression analysis. The finding showed that the internal factor

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Popović, Lazar, Lazar Paunović, Veljko Đilas, Aleksandar Milutinović, Toni Ivanov, and Ivan Kostić. "Design of the UAV aerodynamics in multiple stages." Scientific Technical Review 70, no. 2 (2020): 9–16. http://dx.doi.org/10.5937/str2002009p.

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This paper presents a methodology for aerodynamic optimization of UAV with VTOL capabilities. Aircrafts such as these usually fly at low speeds and due to that low Reynolds numbers are to be expected. The friction drag is highly dependent on the quality of the production process so unless special measures are undertaken, high friction drag coefficients could drastically influence overall performance of the aircraft. Changes of the geometrical parameters influence not only the induced drag of the wing, but also the distribution of the base drag due to sensitivity to changes of the Reynolds numb

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CHEN, CHEN T. "APPLYING LINGUISTIC DECISION-MAKING METHOD TO DEAL WITH SERVICE QUALITY EVALUATION PROBLEMS." International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 09, supp01 (2001): 103–14. http://dx.doi.org/10.1142/s0218488501001022.

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Today the evaluation of service quality is one of the most important management issues for every organization. An important feature of the service process is the degree of customer influence on the service process. A characteristic of service quality evaluation is that it consists of both tangible and intangible factors. In this paper the customers' subjective opinions and the weights of factors are described by linguistic labels which can be expressed in trapezoidal fuzzy numbers. After aggregating these linguistic labels, a linguistic decision–making method is proposed to evaluate the servic

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Su, Jing Bo, Hong Bing Liu, Hui De Zhao, and Dong Zhang. "Research on Interval Reversible Inverse Analysis Method Based on Interval Parameters." Advanced Materials Research 706-708 (June 2013): 556–59. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.556.

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In this paper, the interval analysis method is introduced and an uncertainty inverse analysis method is presented. The intervals of unknown parameters can be obtained by the input of measured data. Even for few measured data, the analysis results can be also obtained by the inverse analysis method. And the analysis results can be applied to appraise the uncertainty in interval. Based on parameter perturbation, the reversible inverse analysis model is proposed for linear-elastic problems. A numerical example is given to illustrate the validity of the present method. The influence is illustrated

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Yulianti, Ida, Yulian Fakhrurrozi, and Sri Rahayu. "PERTUMBUHAN SETEK BEBERAPA VARIETAS Hoya coronaria DARI KAWASAN HUTAN KERANGAS AIR AINYIR, BANGKA." EKOTONIA: Jurnal Penelitian Biologi, Botani, Zoologi dan Mikrobiologi 3, no. 1 (2018): 1–10. http://dx.doi.org/10.33019/ekotonia.v3i1.750.

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The research on vegetative propagation of several H. coronaria varieties from heath forest of Air Anyir Bangka, is the first step to cultivate as well as for conservation purpuses. This research purpose to study the growth of stem cutting from several H. coronaria varieties as well as to find the best cutting method. This research was done on Oktober 2015 until January 2016 at trial house on Gabek 2, Pangkalpinang. The experiment applied randomized factorial completely design of 2 factors with 15 level combinations. The first factor is 5 variety of H. coronaria and the second factor is 3 cutti

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Vašina, Martin, and Ondrej Bilek. "Influence of Surface Shape and Perforation of Plastics on Sound Absorption." Applied Mechanics and Materials 474 (January 2014): 393–98. http://dx.doi.org/10.4028/www.scientific.net/amm.474.393.

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The aim of the paper is to study the effect of the surface shape and perforation of plastics on sound absorption. Samples with different asperity heights, depths and numbers of holes were prepared by means of CNC milling machine. Experimental measurements of frequency dependencies of the sound absorption coefficient were realized by the transfer function method using Kundt ́s impedance tube at normal incidence of acoustic wave on the investigated materials. The study was performed on two types of polyurethanes. Different factors, that have influence on sound absorption, are evaluated in the co

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Medebber, Mohamed Amine, Nourddine Retiel, belkacem Ould said, Abderrahmane Aissa, and Mohammed El Ganaoui. "Transient Numerical Analysis of Free Convection in Cylindrical Enclosure." MATEC Web of Conferences 307 (2020): 01029. http://dx.doi.org/10.1051/matecconf/202030701029.

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A transient two dimensional study of free convection in a vertical cylinder partially annulus is conducted numerically. Uniform temperature is imposed cross a vertical wall, while the top and bottom walls are adiabatic. The governing equations are solved numerically by using a finite volume method. The coupling between the continuity and momentum equations is effected using the SIMPLER algorithm. Solutions have been obtained for Prandtl numbers equal to 7.0, Rayleigh numbers of 103to 106and height ratios 0.5. The influence of physical and geometrical parameters on the isotherms, velocity field

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Abdullah, Lazim, Zheeching Ong, and Shalela Mohd Mahali. "Single-Valued Neutrosophic DEMATEL for Segregating Types of Criteria: A Case of Subcontractors’ Selection." Journal of Mathematics 2021 (April 15, 2021): 1–12. http://dx.doi.org/10.1155/2021/6636029.

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The decision-making trial and evaluation laboratory (DEMATEL) has been used to solve numerous multicriteria decision-making (MCDM) problems, where real numbers are utilised in defining linguistic variables. Although the DEMATEL has shown its success in solving many decision-making problems, researchers have not fully understood how the DEMATEL works on non-real-number linguistic variables. Recent discovery of single-valued neutrosophic sets (SVNSs) can offer a new method to solve decision-making problems, where three memberships of SVNSs are used to define experts’ linguistic judgment. This pa

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Berdnikov, V. S., S. A. Kislitsyn, and K. A. Mitin. "The influence of Prandtl numbers of melts and crucible materials on the features of crystal growth by the Bridgman method." Journal of Physics: Conference Series 1382 (November 2019): 012120. http://dx.doi.org/10.1088/1742-6596/1382/1/012120.

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Wang, Jian Wei, and Jian Ming Zhang. "A Synthetic Evaluation Method of Cell Formation Schemes." Applied Mechanics and Materials 278-280 (January 2013): 2238–43. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.2238.

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A decision support system based on scenario for multi-attribute selection of cell formation schemes is developed. The system combines fuzzy set theory and group decision with the AHP to decrease the influence of decision makers’ subjective preferences and control the uncertain and imprecise variations during evaluation process. The importance weights of different criteria and the ratings of various alternatives under different criteria are evaluated in linguistic terms represented by fuzzy numbers. The intangible criteria and criteria weights are determined by group decision which can integrat

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Abkevich, Victor, Diana Iliev, Kirsten M. Timms, et al. "Computational Method for Estimating DNA Copy Numbers in Normal Samples, Cancer Cell Lines, and Solid Tumors Using Array Comparative Genomic Hybridization." Journal of Biomedicine and Biotechnology 2010 (2010): 1–12. http://dx.doi.org/10.1155/2010/386870.

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Genomic copy number variations are a typical feature of cancer. These variations may influence cancer outcomes as well as effectiveness of treatment. There are many computational methods developed to detect regions with deletions and amplifications without estimating actual copy numbers (CN) in these regions. We have developed a computational method capable of detecting regions with deletions and amplifications as well as estimating actual copy numbers in these regions. The method is based on determining how signal intensity from different probes is related to CN, taking into account changes i

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