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Variation in risk category in methods of calculation of the modified fire load density

Abstract: The management of fire safety in buildings is conducted in acco rdance with the type of use-risk category (Building occupancy c ode). For Building type XI “libraries and archives” and XII “industrial, workshops and warehouses", the d etermination of the ri

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Application of the Delphi Method for the inclusion of externalities in occupational safety and health analysis

Abstract: Organizations should regularly conduct an assessment of their o ccupational hazards in order to design and implement preventive measures that are necessary and sufficient to deal with the level of ris k, the costs of prevention and th e safety at leve ls

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Occupational risk assessment at Olive Oil Mills: Limitations and new perspectives

Abstract: Risk assessment is an essential tool to support risk decisions. However, this process may not a lways be applied effectively, a nd this can limit the quality of the preventative action. This is particula rly critical in sectors that have a lot of micro and

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Absenteeism and presenteeism costs from occupational accidents with WRMSDs in a Portuguese hospital

Abstract: The morbidity associated with WRMSDs leads to productivity loss es (absenteeism and presenteei sm) in healthcare organizations, which induces a substantive impact (cost).. The present study aimed t o evaluate the impact (cost) of WRMSDs for accidents invol

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Identification of areas of intervention for public safety policies using multiple correspondence analysis

Abstract: Analysis of accident reports has been a useful tool in occupati onal safety research. According to European Statistics on Accid ents at Work framework (ESAW), important variables rela ted to the main circumstances o f accidents are being gathered in Europe.

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A qualitative analysis on occupational health and safety conditions at small construction projects in the Brazilian construction sector

Abstract: The main objective of this study is to analyze the perception o f Occupational Health and Safety in small construction projects in the Brazilian construction industry. The adopt ed approach is qualitative in n ature and seeks to understand the character of

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Emerging risk in the construction industry: Recommendations formanaging exposure to nanomaterials

Abstract: Nanotechnology has aroused great interest in the construction i ndustry because new materials with outstanding properties are b eing designed, and the features of traditional materials can be improved. However, exposure to nanomaterials is the most recent

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Differences in muscular activity between obese and non-obese workers during manual lifting

Abstract: The prevalence of obesity is increasing throughout the workforce. Manual lifting tasks are common and can produce significant muscle loading. This study compared muscular activity between obese and non-obese subjects, using surface Electromyography (EMG), dur

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Impact of a workplace exercise program on neck and shoulder segments in office workers

Abstract: Work-related musculoskeletal di sorders are a common problem amo ng office workers. The purpose of this study is to evaluate the impact of a workplace exercise program on neck and shoulder pain and f lexibility in office workers. The workstation assessment

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Decontamination of industrial textile wastewater using photocatalysis

Abstract: Iron-doped TiO 2 catalysts were prepared by impregnation in order to study thei r photocatalytic activity in the treatment of wastewater from the textile industry. Characteriz ation of the cat alysts before and after reaction was performed using techniques

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Nutritional composition of meals at work and its relationship with manufacturing workers’ anthropometric profile and energy expenditure

Abstract: The objective of this study was to verify whether the energy co ntent and nutritional composition of meals consumed at work (lu nch) correlated with the energy expe nditure and nutr itional status o f workers from different sectors (administration and produ

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Study of a repair technique in carbonated blended mortars: Electrochemical re-alkalization

Abstract: The present article studies the influence of two pozzolanic add itions, metakaolin (MK) and silica fume (SF), and the water/bin der ratio (w/b) on the electrochemical re- alkalization (ER) of reinforced mortars as a technique to prevent reinforcement corros

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The manufacture of a maxillofacial prosthesis from an axial tomography using simulation technologies with a virtual machin tool and four-axis machining

Abstract: The surfaces of a personalized m axillofacial prosthesis were ma nufactured in a relatively short period of time and at a modera te cost. The surface topography was generated with a Computer-Aided Design s ystem from the Computerized Axial Tomography of a m

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The influence of design methodology on a designer’s emotional parameters and on design result

Abstract: The surfaces of a personalized maxillofacial prosthesis were manufactured in a relatively short period of time and at a moderate cost. The surface topography was generated with a Computer-Aided Design system from the Computerized Axial Tomography of a maxillo

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Simulación computacional de convección de calor laminar de nanofluidos en tubo circular y ducto cuadrado

Abstract: Nanofluids are colloidal suspens ions of nanometer-sized particl es (metals, metallic oxides or carbon nanotubes) in a base flui d (polar or non-polar). Nanofluids have intere sting properties that make th em useful especially in the design of compact heat t

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Viscoelastic behavior of yellow pitahaya treated with 1-MCP

Abstract: Foods may have both solid and liquid properties, and are descri bed as viscoelastic products. Know ledge on such viscoelastic fe atures is very useful for quality control and/or food stability. The purp ose of this work was to evaluate the effect of the appl

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Adopción de Sistemas de Gestión de Ecodiseño en el sector de la construcción. Análisis de la perspectiva de los diferentes agentes involucrados

Abstract: In order to analyze the main reasons, the adoption process, out comes and satisfaction obtained by the architecture firms and o ther actors involved in the process of adopting the ISO 14006 eco-design standard, w e developed a qualitative research using a D

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Numerical experimentation for the optimal design of reinforced rectangular concrete beams for singly reinforced sections
Arnulfo Luevanos-Rojas

Abstract: This paper presents a model for the optimal design of reinforced rectangular concrete beams for singly reinforced sections. It develops an analytical approach to the problem, based on a criterion of minimum cost and minimum weight design with a reduced number

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A study of co-movements between U.S. and Latin American stock markets: A cross-bicorrelations perspective

Abstract: This work applies a test that de tects dependence between pairs of variables. The kind of dependence is a non-linear one, and t he test is known as cross-bicorrelation, whi ch is associated with Brooks a nd Hinich [1]. We study dependence periods between U.

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A comparative study for the design of rectangular and circular isolated footings using new models
Arnulfo Luévanos-Rojas

Abstract: This paper presents a comparative study for the design of reinf orced concrete isolated footings that are rectangular or circul ar in shape and subjected to axial load and momen ts in two directions using new models to obtain the most economical footing. Th

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Developing a self-regulating soldering iron based on induction heating

Abstract: This work focused on the design, development and construction o f a new low cost soldering iron that works by means of inductio n heating. The amount of electronic component s has been minimized in order to reduce production costs. Additional tests were und

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Microstructure and electrical properties of solid electrolytes of fully stabilized zirconia with rare earth mixed oxides

Abstract: In this work was obtained solid electrolytes of fully stabilize d zircônia with doped of 10 and 12 mol% of Re2O3 (mixed oxides rare earth), for use in oxygen sensors and or fuel cells. The specimens were prepared by uniaxial pressing and sintered using two

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Analysis of working nanofluids for a refrigeration system

Abstract: This paper presents the analysis of nanorefrigerant fluids to i mprove the thermal efficiency of a refrigeration system. Simula tions in ANSYS FLUENT 15.0 were performed with m ixtures of refrigerants R113, R123 and R134a, with Al 2 O 3 nanoparticles at

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Síntesis y modificación de la zeolita beta para su uso en la reacción de desproporción de tolueno

Abstract: In this paper zeolite Beta was synthesized and characterized by XRD, ATG, ATD, XRF and SEM. Subsequently various modifications were made using a surface passi vation process in liquid phase w ith tetraethylorthosilicate (TEOS), using two loads of TEOS and t

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Distribución colaborativa de mercancías utilizando el modelo IRP

Abstract: This paper presents a study of the impact that collaboration in inventory has on distribution costs in a network of one suppli er and multiple customers. Freight transport is wi dely studied due to its impac t on logistics costs and service levels of ente

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Análisis de flujo base usando curvas maestras de recesión y algoritmos numéricos en cuencas de montaña: Cuenca del río Suratá y cuenca del Río de Oro (Santander, Colombia)

Abstract: The interaction between groundwater inflow and outflow is compl ex in streams connected from aquifers located in fractured rock media. The recession curves of hydrographs provide information about t hese hydrogeological processes and they are useful to asse

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Estudio de la capacidad de adsorción de Fe(II) disuelto en aguausando un mineral rico en Dióxido de Manganeso (MnO2) de origen colombiano

Abstract: CIn Colombia, a mineral rich in MnO 2 is extracted from the mines of Mallama, Nariño. In this work w e studied the adsorption capacity of this mineral for Fe(II) dissolved in aqueous solution of open s ystems. The characterization was done through ICP-AES,

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Estudios preliminares sobre cemento hidratado para su reutilización en geopolímeros

Abstract: The carbonation of hydrated ordinary Portland cement (OPC) allows the transformation of hydrated calcium aluminates and silicates into calcium carbonate and amorphous silica/ alumina. These carbonated materials are appropriate to being used as inorganic precu

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