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107 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
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Phenotypic association between feed efficiency and feeding behavior, growth and carcass traits in Senepol cattle
Artículo
Acceso abierto Artículo DOAJ
André Lasmar Guimarães et al · Sociedade Brasileira de Zootecnia · ISSN 1806-9290
ABSTRACT The objective of this study was to evaluate the associations between feed efficiency and feeding behavior, growth and carcass traits in Senepol cattle. A total of 137 animals were evaluated. Of these animals, 36...
LCC LCC:Animal cultureIdioma eng
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Open Access
Produtividade e eficiência econômica de sistemas de produção de cria, recria e engorda de bovinos de corte na região sul do estado da Bahia Economic efficiency and productivity of life-cycle beef cattle production systems in the South of Bahia
Artículo
Acceso abierto Artículo DOAJ
F.A. Barbosa et al · Universidade Federal de Minas Gerais, Escola de Veterinária · 2010 · ISSN 0102-0935
Estudaram-se a produtividade e a eficiência econômica de quatro sistemas de bovinos de corte, por meio de simulação, que diferiram quanto à taxa de natalidade (TN). A pesquisa foi realizada em uma fazenda de ciclo c...
LCC LCC:Animal cultureIdioma eng
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Open Access
Proposal of a Parameterized Methodology for the Hydrodynamic Design of High-Efficiency Pelton Rotors Validated by Multiphase CFD Simulations
Artículo
Acceso abierto Artículo DOAJ
Daniel O. Silva et al · Wiley · 2026 · ISSN 1542-3034
This work presents and validates a direct analytical methodology for the parametric hydrodynamic design of Pelton rotors. The proposed approach combines a one-dimensional theoretical framework for defining global geometr...
LCC LCC:Engineering (General). Civil engineering (General)Idioma eng
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Open Access
Recommendations For Improvement Of Collegiate Flight Training Operational Efficiency Through Guided-Inquiry Inductive Learning
Artículo
Acceso abierto Artículo DOAJ
John H. Mott et al · Embry-Riddle Aeronautical University · 2015 · ISSN 2374-6793
Efficiency in higher education has increasingly come under scrutiny as student debt levels continue to increase and the quantification of the value provided to students by colleges remains elusive. Collegiate flight trai...
LCC LCC:Motor vehicles. Aeronautics. AstronauticsIdioma eng
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Open Access
Single chip simultaneous chiral and achiral imaging based on high efficiency 3D plasmonic metalens
Artículo
Acceso abierto Artículo DOAJ
Sun Ti et al · Wiley · 2023 · ISSN 2192-8614
We propose and experimentally demonstrate a single chip metasurface for simultaneous chiral and achiral imaging and polarimetric detecting using a high efficiency three dimensional plasmonic metalens (3D-PM) with capabil...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Stability enhancement via speed adaptation and efficiency improvement for induction machine
Artículo
Material complementario disponible Artículo DOAJ
Lelisa Wogi et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract The primary characteristics of an electric drive include the ability to utilize the maximum torque throughout the speed range, minimal reliance on parameters, and, if feasible, the highest efficiency. This paper...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Material complementario
Substituição do farelo de soja por farelo de algodão de alta energia em dietas para vacas leiteiras em produção: consumo, digestibilidade dos nutrientes, balanço de nitrogênio e produção leiteira Replacing soybean meal with high energy cottonseed meal in diets for dairy yielding cows: intake, nutrient digestibility, nitrogen efficiency and milk yield
Artículo
Acceso abierto Artículo DOAJ
Alisson Ferreira Alves et al · Sociedade Brasileira de Zootecnia · 2010 · ISSN 1516-3598
Avaliou-se o efeito da inclusão de níveis crescentes de farelo de algodão alta energia (0; 8,7; 17,4; 26,1 e 34,8% da matéria seca) em substituição ao farelo de soja no concentrado de vacas no terço final de lacta...
LCC LCC:Animal cultureIdioma eng
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Open Access
Warming enhances the detrimental impacts of drought and salinity on maize growth, water-use efficiency, and nitrogen recovery
Artículo
Acceso abierto Artículo DOAJ
Giacomo Gargano et al · Frontiers Media S.A · 2026 · ISSN 1664-462X
IntroductionClimate change is increasing the co-occurrence of heat, drought, and soil salinization in Mediterranean agroecosystems, yet their interactive effects on crop physiology remain poorly understood. We investigat...
LCC TENDOlBsYW50IGN1bHR1cmU~Idioma eng
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Open Access
APPROACH TO DETERMINING THE ECONOMIC EFFECT OF REGIONAL FOREST COMPLEXES
Artículo
Acceso abierto Artículo DOAJ
V. N. Petrov et al · Russian Academy of Sciences, Center for Forest Ecology and Productivity · 2026 · ISSN 2658-607X
The relevance of the research is explained by the contradiction between the availability of forest resources, the demand for timber materials, and the low economic efficiency of their use, conservation, and reproduction....
LCC LCC:ForestryIdioma eng
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Open Access
Building an Organizational and Economic Mechanism for the Development of Woodworking Enterprises
Artículo
Acceso institucional disponible Artículo DOAJ
Oksana Agres et al · Vasyl Stefanyk Carpathian National University · 2024 · ISSN 2311-0155
The article substantiates the fact that several approaches should be considered when building an organizational and economic mechanism for the development of woodworking enterprises, in particular: process-based, innovat...
LCC TENDOkVkdWNhdGlvbg~~; TENDOkVjb25vbWljcyBhcyBhIHNjaWVuY2U~Idioma eng
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Institucional
Car Fuel Economy Simulation Forecast Method Based on CVT Efficiencies Measured from Bench Test
Artículo
Acceso abierto Artículo DOAJ
Yu-Long Lei et al · KeAi Communications Co., Ltd · 2018 · ISSN 1000-9345
Abstract Researchers face difficulties in studying the effects of driveline efficiency on car fuel economy via bench and road tests because of long working periods, high costs, and heavy workloads. To simplify the study ...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Open Access
Desertification alters the response of vegetation to changes in precipitation.
Artículo
Acceso abierto Artículo CONICET Digital
Verón, Santiago Ramón et al · Wiley Blackwell Publishing, Inc · 2010 · ISSN 1233-1241
1. Desertification is of critical concern because it may affect 40% of the global land area inhabited by more than 1 billion people. During the process of desertification, defined as land degradation in arid, semi-arid a...
Idioma eng
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Open Access
Design and Development of a Vertical-Type Hydraulic Ram Pump Simulator
Artículo
Material complementario disponible Artículo DOAJ
Candra Damis Widiawaty et al · Politeknik Negeri Jakarta · 2026 · ISSN 2747-1381
The hydraulic ram pump is one form of green energy used to convey water by utilizing the water hammer effect. The main parameter influencing the performance of a hydraulic ram pump is the water energy source. Most resear...
LCC TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Material complementario
Efficient second-harmonic generation of quasi-bound states in the continuum in lithium niobate thin film enhanced by Bloch surface waves
Artículo
Acceso abierto Artículo DOAJ
Lin Yun et al · Wiley · 2024 · ISSN 2192-8614
Nonlinear optics has generated a wide range of applications in the fields of optical communications, biomedicine, and materials science, with nonlinear conversion efficiency serving as a vital metric for its progress. Ho...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Evaluation of transdermal targeted niosomal drug delivery of terbinafine hydrochloride
Artículo
Acceso abierto Artículo DOAJ
Muhammad Naeem et al · AMMANIF · 2025 · ISSN 2521-0521
Objective: To develop a targeted delivery to the fungal affected cells. The present study focus on developing, optimizing, and evaluating a novel Niosomal loaded nail lacquer formulation for increasing the transdermal ...
LCC TENDOlBoYXJtYWN5IGFuZCBtYXRlcmlhIG1lZGljYQ~~Idioma eng
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Open Access
GMB-ECC: Guided Measuring and Benchmarking of the Edge Cloud Continuum
Artículo
Material complementario disponible Artículo DOAJ
Brian-Frederik Jahnke et al · IEEE · 2026 · ISSN 2169-3536
Modern edge–cloud deployments integrate devices, edge servers, private networks, and cloud platforms into heterogeneous, multi-layer systems. Each layer exposes distinct metrics, measurement granularities, and tim...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Material complementario
Holographic gratings recorded in poly(lactic acid)/azo-dye films
Artículo
Material complementario disponible Artículo CONICET Digital
Cambiasso, Javier et al · Elsevier Science · 2015 · ISSN 0925-3467
Diffraction gratings were recorded in biodegradable polymer films of poly(lactic acid) doped with the photoisomerisable azo-dye (Disperse Orange 3). It is shown that the diffraction efficiency of the recorded grating can...
Idioma eng
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Material complementario
Improving resource productivity at a crop sequence level
Artículo
Acceso abierto Artículo CONICET Digital
Caviglia, Octavio Pedro et al · Elsevier Science · 2019 · ISSN 0378-4290
The challenge to increase agricultural production with a minimum environmental impact requires to reach the maximum efficiency in the capture and use of resources such as photosynthetically active radiation (PAR), water,...
Idioma eng
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Open Access
Indirect changes associated with a selection program for increased seed-yield in wild species of Lesquerella (Brassicaceae): Are we developing a phenotype opposite to the expected ideotype?
Artículo
Acceso abierto Artículo CONICET Digital
González Paleo, Luciana et al · Elsevier Science · 2011 · ISSN 1372-1380
Seed-yield stability, frequently associated with drought-tolerance strategies, is one of the main breeding objectives for the development of crops for semi-arid mediterranean-type environments. Since breeding of new indu...
Idioma eng
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Open Access
Nonradiating sources for efficient wireless power transfer
Artículo
Acceso abierto Artículo DOAJ
Zanganeh Esmaeel et al · Wiley · 2021 · ISSN 2192-8614
Nonradiating sources of energy realized under a wave scattering on high-index dielectric nanoparticles have attracted a lot of attention in nano-optics and nanophotonics. They do not emit energy to the far-field, but si...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Patterns and controls of above‐ground net primary production in meadows of Patagonia. A remote sensing approach
Artículo
Material complementario disponible Artículo CONICET Digital
Irisarri, Jorge Gonzalo Nicolás et al · Wiley Blackwell Publishing, Inc · 2011 · ISSN 1100-9233
Questions: (1) Can above-ground net primary production (ANPP) of Patagonian meadows be estimated from remote sensing? (2) How does ANPP of Patagonian meadows change in space and time? Location: Northwestern Patagonia, me...
Idioma eng
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Material complementario
Patterns of nitrogen conservation in shrubs and grasses in the Patagonian Monte, Argentina
Artículo
Acceso abierto Artículo CONICET Digital
Carrera, Analía Lorena et al · Springer · 2000 · ISSN 0032-079X
We analysed the main plant strategies to conserve nitrogen in the Patagonian Monte. We hypothesized that the two main plant functional groups (xerophytic evergreen shrubs and mesophytic perennial grasses) display differe...
Idioma eng
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Open Access
Residual feed intake in beef cattle
Artículo
Material complementario disponible Artículo DOAJ
J P.F. Arthur et al · Sociedade Brasileira de Zootecnia · 2008 · ISSN 1516-3598
Providing feed is a major input cost in beef production, hence improvements in the efficiency of feed utilisation will reduce the cost of production. Residual feed intake (RFI) is a measure of feed efficiency, and is def...
LCC LCC:Animal cultureIdioma eng
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Material complementario
Study on transient flow analysis of viscosity fluid in spinning metering pump
Artículo
Acceso abierto Artículo DOAJ
Zhang Yimin et al · De Gruyter · 2026 · ISSN 2300-0929
The spinning metering pump serves as a critical component that delivers the spinning solution with high precision and directly governs the efficiency of wet spinning industrialization. Nevertheless, manual adjustment of ...
LCC LCC:Textile bleaching, dyeing, printing, etc.Idioma eng
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Open Access