Buscar
Mostrando ítems 61-70 de 1012
Crop intensification with sustainable practices did not increase N2O emissions
(Elsevier Science, 2020-04)
Nitrous oxide (N2O) is the most important greenhouse gas produced by agricultural soils and is a byproduct of microbial nitrification and denitrification processes. The N2O emission rates depend on soil, climatic and ...
Development of a Four-Switch Buck-Boost Converter: Operation Modes, Control and Experimental Results
(Institute of Electrical and Electronics Engineers, 2019-11)
This paper presents the development and practical implementation of a four-switch buck-boost converter for variable input voltage. The circuit operates in buck or boost mode when the input values are higher or lower than ...
Eosinophils and temperature in the postoperative periodEosinófilos y temperatura en el periodo post-operatorio
(Universidad Nacional Mayor de San Marcos, Facultad de Medicina Humana, 1952)
Implementation of a proactive system to monitor Aedes aegypti populations using open access historical and forecasted meteorological data
(Elsevier Science, 2021-09)
Due to the global increase in mosquito-borne diseases outbreaks it is recommended to increase surveillance and monitoring of vector species to respond swiftly and with early warning indicators. Usually, however, the ...
Arthropod Pest Management in Organic Vegetable Greenhouses
(2017-01)
We present a comprehensive discussion of pest management in organic greenhouse vegetable production. Greenhouse structures and production practices vary greatly in different regions of the world. In northern Europe and ...
Synthesis of Sinusoidal Waveform References Synchronized With Periodic Signals
(Institute of Electrical and Electronics Engineers, 2008-03)
This paper proposes a novel method to generate a sinusoidal waveform synchronized with any measurable periodic signal whose frequency is within a given neighborhood. The synthesized sinusoidal signal could be used as a ...
Development and evaluation of an ensemble forecast/hindcast system for storm surges in the Río de la Plata Estuary
(John Wiley & Sons Ltd, 2020-11)
The development and evaluation of ensemble hindcasting and forecasting systems (EHS and EFS, respectively) for storm surges in the Río de la Plata Estuary (RdP) is presented. The models were forced by atmospheric sea level ...
Payment control system for fees and fees of the University of the Autonomous Regions of the Nicaraguan Caribbean Coast, Las Minas Campus, 2015Sistema de control de pago de matrículas y aranceles de la Universidad de las Regiones Autónomas de la Costa Caribe Nicaragüense, Recinto Las Minas, 2015
(Universidad de las Regiones Autónomas de la Costa Caribe Nicaragüense, 2016)
Effects of In Vivo Exposure to Roundup® on Immune System of Caiman latirostris.
(Informa Healthcare, 2013-10)
The present study aimed to evaluate the effect of Roundup® (RU, glyphosate-based formulation) on some parameters of the immune system and growth of Caiman latirostris. Seventy-two caimans (20-day-old) from Proyecto Yacaré ...