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Hardus van Zyl
AbstractThe aim of the article is to introduce a project-management efficiency model in order to rank the dimensions of efficient project management in the public sector.There is a need to develop and introduce measurement instruments that would enable d...
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Guler Bengusu Tezel, Kerim Yapici, Yusuf Uludag
Pág. 246 - 257
This study focuses on the computational implementation of structured non-uniform finite volume method for the 2-D laminar flow of viscoelastic fluid past a square section of cylinder in a confined channel with a blockage ratio 1/4 for Re = 10-4, 5, 10 an...
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Javier Sotomayor, Mariana Ramírez
Pág. Page 69 - 79
The wood construction industry requires data of the mechanical strength of wood with dimensions and classification suitable to be used as structural elements. This research proposes an experimental strategy for the mechanical characterization of wood bea...
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Andrew J. Hull, Daniel Perez and Donald L. Cox
This paper derives an analytical model of a straight beam with a T-shaped cross section for use in the high-frequency range, defined here as approximately 1 to 35 kHz. The web, the right part of the flange, and the left part of the flange of the T-beam a...
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Mykola Raransky,Alla Oliinych-Lysiuk,Roman Tashchuk,Mykhailo Unhurian
Pág. 6 - 13
This paper reports the analysis of patterns and mechanisms that form the characteristic surfaces of the Young modulus, the angular distributions of Poisson coefficients, and the pointing surfaces of auxeticity of single crystals in cubic, hexagonal, tetr...
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Andrew J. Hull and Daniel Perez
This paper derives an analytical model of a circular beam with a T-shaped cross section for use in the high-frequency range, defined here as approximately 1 to 50 kHz. The T-shaped cross section is composed of an outer web and an inner flange. The web in...
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A. V. Zakharov,I. S. Kurilova,R. R. Ramazanova,O. G. Starceva
Pág. 16 - 20
The production time series for the classical Cobb-Douglas function on capital and labor costs is considered. Discrepancies between theoretical values of output (Cobb-Douglas function) and real indicator values are interpreted as random deviations. Instea...
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Divino Eterno Teixeira
Modulus of elasticity (MOE) of Douglas-fir (Pseudotsuga menziesii) lumber loaded in parallel to grain tension was evaluated by nondestructive techniques (transverse vibration and longitudinal stress wave) and the results were correlated to the actual pro...
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Majid Kiaei,Reza Bakhshi
Pág. 171 - 177
Aim of study: The aim of this study was to determine some of the physical, biometry and mechanical strength properties of Diospyros lotus L. wood along radial direction from the pith to the bark and the relationship between wood various properties. Area ...
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Viviana Sarmiento Guzmán
Pág. 113 - 126
This paper presents empirical evidence on the relationship between public expenditure and economic growth, in Colombia for the period (1905- 2010) under the methodology know as times series, addressing two major approaches: endogeneity and exogeneity. Th...
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Hyung-Gyu Park, Seok-Ho Kang, Yong-Gik Kim, Jin-Ho Son, Yeong-Su Kim, Seung-Min Woo and Yu-Shin Ha
In this study, the physical properties of garlic just before collection were investigated, and garlic-collecting conditions are presented as basic data of design factors that can be utilized during the development of garlic collectors. The physical prope...
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Víctor Revilla-Cuesta, Roberto Serrano-López, Ana B. Espinosa, Vanesa Ortega-López and Marta Skaf
The addition of Ladle Furnace Slag (LFS) to concrete modifies its compressive strength and modulus of elasticity and consequently impacts their relationship. This research evaluated both properties at 28, 90, and 180 days in concrete mixes produced with ...
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Vyacheslav Savenko,Alina Kvatadze,Oleksandr Davydenko,Vitalii Stozhka,Leonid Ianchuk
Pág. 62 - 75
The processes forming the humidity mode of the drainage layer of a road structure under the action of excess load have been investigated. The stressed-strained state was determined based on a numerical experiment using the software-calculation suite SCAD...
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Karel Malec,Shereen Gouda,Elena Kuzmenko,Daryoush Soleimani,Helena Rezbová,Petra ?ánová
Pág. 199 - 206
The paper is focused on unemployment in Egypt during the period 2000?2013. The unemployment is slightly increasing year by year and represents serious problem because of its structure, when it is meance mainly to young absolvents of universities, which a...
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Carlos Videla, Cristián Gaedicke
Pág. Page 64 - 77
In this research, the most important properties of HPC were analyzed. The study was focused on HPC with specified28 days compressive cylindrical strengths between 60 to 110 MPa and made with locally available materials: RapidHardening Portland Blast Furn...
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A. Vargas, J. Pérez, J. P. Zoffoli, A. Pérez
Pág. 37 - 42
In order to develop a tool to quantify the berry firmness of export table grapes for long distance markets, two different methods were compared using soft and firm berries. The first method was the measurement of skin punctured strength with a Texturomet...
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J. Cancino, G. Donoso
Pág. 43 - 54
In order to develop a tool to quantify the berry firmness of export table grapes for long distance markets, two different methods were compared using soft and firm berries. The first method was the measurement of skin punctured strength with a Texturomet...
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