Demand
Mostrando 1-12 de 3890 artigos, teses e dissertações.
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1. Demands and Resources in Work Mediated by Digital Platforms: A Scoping Review of the Literature
Resumo O arranjo de trabalho cuja contratação é mediada por plataformas digitais (digitrab) tem crescido exponencialmente nos últimos anos, tanto sob a forma de trabalho de multidão ( crowdworking ) quanto sob a forma de trabalho sob demanda via aplicativo ( work on demand via app ). No entanto, ainda há pouca sistematização no que se refere ao conhe
Organizações & Sociedade. Publicado em: 2023
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2. COVID-19 pandemic and blood transfusion services: The impact, response and preparedness experience of a tertiary care blood center in southern Karnataka, India
Abstract Introduction With the outbreak of COVID-19 and its containment measures, blood centers faced a huge challenge in balancing blood demand and supply and devising a preparedness plan to withstand the uncertain situation. This study assesses the effect of the COVID-19 pandemic on blood transfusion services and discusses the appropriate mitigation strat
Hematology, Transfusion and Cell Therapy. Publicado em: 2022
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3. Psychiatric emergency units in Brazil: a cross-sectional study
SUMMARY OBJECTIVES: This study aimed to identify the infrastructure (e.g., availability, resources, and staff), basic metrics, and problems (e.g., network, overcrowding, resources, and infrastructure) of the psychiatric emergency services in Brazil. METHODS: This is a cross-sectional study assessing psychiatric services (n=29) listed by the Brazilian Psych
Revista da Associação Médica Brasileira. Publicado em: 2022
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4. Global shocks in emerging economies: An empirical investigation
Resumo Shocks in commodity prices are viewed as a major driver of emerging economies’ business cycle. We show this is not the case for Brazil, Chile, Colombia, and Peru when a structural vector autoregressive model accounts for macro-finance linkages at world and domestic levels. The presence of a global financial variable modifies established results as i
Revista Brasileira de Economia. Publicado em: 2022
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5. Políticas de preços e consumo alimentar de acordo com o IMC do chefe do domicílio
Resumo O objetivo deste artigo é analisar o efeito de uma política de impostos e subsídios sobre os produtos alimentícios consumidos pelas famílias classificadas de acordo com o IMC do chefe de domicílio. Para isso, foi utilizado o Quadratic Almost Ideal Demand System juntamente com os microdados da Pesquisa de Orçamentos Familiares de 2008-2009. Os r
Economia e Sociedade. Publicado em: 2022
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6. Micronutrient content and accumulation in leaves and bunches of black pepper during two crop cycles
ABSTRACT A comprehensive knowledge about micronutrient dynamics in leaves and bunches of black pepper is needed in order to proper diagnose nutrient needs, and thus facilitate fertilization management. This study aimed to evaluate micronutrient concentration and accumulation in leaves and bunches of black pepper bunches to understand the crop nutritional dem
Revista Ceres. Publicado em: 2022
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7. Mechanical properties and fractography of cement-based composites reinforced by natural piassava and jute fibers
Abstract Today’s demand for environmentally friendly and energy-efficient solutions to the construction industry has driven researchers to match natural resources with traditional technics to develop new building technologies. However, there are literature limitations about the correlation of fiber-matrix interface with the failure of natural fibers in mor
Cerâmica. Publicado em: 2022
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8. FERTILIZER RECOMMENDATION METHODS FOR PRECISION AGRICULTURE – A SYSTEMATIC LITERATURE STUDY
ABSTRACT Spatial variability management of soil chemical attributes is one of the approaches to be employed in the face of the constant challenge of increasing agricultural yield to meet world demand. In this sense, precision agriculture has as one of its tools the application of inputs at varying rates, which seeks to determine the ideal amount of fertilize
Engenharia Agrícola. Publicado em: 2022
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9. PERFIL SOCIOECONÔMICO DE ESTUDANTES DE QUÍMICA: O CASO DOS CURSOS DA UNESP - ARARAQUARA
Considering the recent expansion and democratization of access to Higher Education in Brazil, this article aims to characterize and compare the socioeconomic profiles of students who are entering the Bachelor (BAC), teacher education degree (LIC) and Chemical Engineering (ENG) at UNESP - Araraquara. A quantitative, longitudinal study was performed according
Química Nova. Publicado em: 2022
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10. ENHANCED REMOVAL OF PERSISTENT CONTAMINANTS AND TOXICITY REDUCTION THROUGH THE APPLICATION OF A TRIPLE-STAGE FENTON PROCESS TO SANITARY LANDFILL LEACHATES FROM YUCATAN, MEXICO
Sanitary landfill leachate (SLL) is a mixture of highly toxic and recalcitrant pollutants that threatens the water quality of the Yucatán Peninsula karst aquifer, one of the most extensive aquifers on the planet. To reduce the adverse environmental impacts of this wastewater, a triple-stage Fenton process (FP) was applied in an old SLL. Removal efficiencies
Química Nova. Publicado em: 2022
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11. Using nonlinear models to define production, production rate, and precocity of strawberry cultivars
ABSTRACT The aim of this study was to evaluate, using logistic model, the differences in early production, production rate and total productivity of two strawberry cultivars with transplants from different origins grown in substrate. The experiment was carried out in a randomized block design (RBD), with two strawberry cultivars (Albion and Camarosa) and two
Revista Ceres. Publicado em: 2022
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12. How do CO2 and radon gases affect groundwater mining in the Canary Islands?
Abstract Water galleries are mines that seek to supply drinkable and irrigation water from the aquifer, in order to meet the demand for water in the Canary Islands. This sort of work entails a series of health risks in the form of gases. This document compiles three different studies on the gases that can be found in water galleries in the Canary Islands, ha
REM - International Engineering Journal. Publicado em: 2022