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72 resultados encontrados.

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Salinity Effect on the Microwave Backscattering of The Calm Water Surface
Artículo
Acceso abierto Artículo DOAJ
Muhammad Y.Al-Allaf et al · University of Mosul, College of Education for Pure Science · 2005 · ISSN 1812-125X
The present paper illustrates the experimental results of the salinity affecting the backscattering signal from the calm water surface at an actual temperature of (19.7c°). The measurements were performed as a function ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Short-term effect of a crop-livestock-forestry system on soil, water and nutrient loss in the Cerrado-Amazon ecotone
Artículo
Acceso abierto Artículo DOAJ
Cornélio Alberto ZOLIN et al · Instituto Nacional de Pesquisas da Amazônia · 2021 · ISSN 0044-5967
ABSTRACT Soil, water, and nutrient loss by water erosion are among the main factors leading to land degradation, decreasing soil productivity and the provision of ecosystem services. The Cerrado-Amazon ecotone in western...
LCC LCC:Science (General)Idioma eng
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Open Access
Statistical approaches to understanding the impact of matrix composition on the disinfection of water by ultrafiltration
Artículo
Acceso abierto Artículo CONICET Digital
Cruz, Mercedes Cecilia et al · Elsevier Science Sa · 2017 · ISSN 1385-8947
We performed a systematic approach using statistical tools to understand the effect of the water chemistry on removal of microorganisms using ultrafiltration. We applied a four-factor at two-level factorial design with c...
Idioma eng
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Open Access
The capability of water Cherenkov detectors arrays of the LAGO project to detect Gamma-Ray Burst and high energy astrophysics sources
Artículo
Material complementario disponible Artículo CONICET Digital
Sidelnik, Iván Pedro et al · Elsevier Science · 2023 · ISSN 0168-9002
Gamma-Ray Bursts (GRBs) are one of the brightest transient events detected, with energies in their prompt phase ranging from keV to GeV. Theoretical models predict emissions at higher energies in the early times of the a...
Idioma eng
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The effect of magnetically treated water on some physiomechanical properties of a local plaster (plaster of Paris)
Artículo
Acceso abierto Artículo DOAJ
Amer Ali et al · University of Mosul, College of Education for Pure Science · 2018 · ISSN 1812-125X
Magnetically treated water was used for the determination of the physiomechanical properties (setting time, water/powder ratio (W/P) and compressive strength) of a local plaster of Paris. The results were compared with t...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
UDCFormer: upstream-downstream coupled transformer for midstream water quality forecasting on directed river networks
Artículo
Material complementario disponible Artículo DOAJ
Xu Xinghan et al · SpringerOpen · 2026 · ISSN 2196-1115
Abstract River water quality forecasting on directed river networks requires jointly modeling temporal dynamics and directional spatial dependencies among monitoring sites. Existing spatio-temporal models often emphasize...
LCC TENDOkNvbXB1dGVyIGVuZ2luZWVyaW5nLiBDb21wdXRlciBoYXJkd2FyZQ~~; TENDOkluZm9ybWF0aW9uIHRlY2hub2xvZ3k~; LCC:Electronic compuIdioma eng
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A Comparative Survey along with design and fabrication of bioinspired Water Strider Robot
Artículo
Acceso abierto Artículo DOAJ
Keros M. et al · EDP Sciences · 2026 · ISSN 2100-014X
Robotics has evolved a lot since its origin. The design of these robots is done based on various aspects, and one such aspect is bioinspired robots, which lies one of the most challenging fields were a robot is developed...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
A Limnological Assessment of Kasnazan Impoundment Water- Erbil, Iraq
Artículo
Acceso abierto Artículo DOAJ
Yadi Omer Mustafa Al-Barazingy · University of Mosul, College of Education for Pure Science · 2010 · ISSN 1812-125X
Abstract The assessment of physicochemical and biological conditions at five sites in Kasnazan impoundment water were conducted at monthly interval during August 2004 to February 2005, in order to know the degree of dete...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Assessment of climate change impacts on water resources of the Purus Basin in the southwestern Amazon
Artículo
Acceso abierto Artículo DOAJ
Ricardo DALAGNOL et al · Instituto Nacional de Pesquisas da Amazônia · 2017 · ISSN 0044-5967
ABSTRACT Knowledge about water resources is critical for climate adaptation in face of long-term changes and more frequent extreme events occurrence. During the major droughts of 2005 and 2010, a large epicenter was loca...
LCC LCC:Science (General)Idioma eng
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Open Access
Dust evolution during protoplanetary disk buildup enhances CO ice relative to water
Artículo
Acceso abierto Artículo DOAJ
Drążkowska J · EDP Sciences · 2026 · ISSN 0004-6361
Context. Water ice is expected to be the dominant volatile component of bodies formed in the outer Solar System. However, recent observations of comets and trans-Neptunian objects suggest that the relative abundances of ...
LCC TENDOkFzdHJvbm9teQ~~Idioma eng
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Open Access
Effect of irrigation water quality on some physiological processes and the concentrationof heavy elements in five types of cultivated plants in Nineveh province
Artículo
Acceso abierto Artículo DOAJ
Hussain AL-Rashdi et al · University of Mosul, College of Education for Pure Science · 2018 · ISSN 1812-125X
This study was carryout at the department of Biology ,College of Education ,Mosul University .Five Plants species Eggplant (Solanum melongena ) ,Green bean (Viana radiate ) ,Green pepper (Capsicum grossum),Squash (Cucurb...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Elimination of hydrogen sulfide adsorbed on Cu(II)-modified hydroxyapatite by warm water
Artículo
Acceso abierto Artículo DOAJ
Hiroshi Nishida et al · Society for Science and Technology · 2019 · ISSN 2186-4942
Elimination behavior of hydrogen sulfide (H2S) molecules adsorbed on Cu(II)-supported hydroxyapatite (Cu-HAp) using warmed ultrapure water was investigated, and H2S adsorption ability of Cu-HAp before and after exposure ...
LCC LCC:Technology (General)Idioma eng
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Open Access
Final report on studies of nutrient cycling on white and black water areas in Amazonia
Artículo
Acceso abierto Artículo DOAJ
N. Stark et al · Instituto Nacional de Pesquisas da Amazônia · 1975 · ISSN 0044-5967
Abstract Studies were conducted near Manaus, Brazil in cooperation with INPA to try to establish how nutrient cycling influences the formation of black water and white water. The studies measured the rate of decay of Car...
LCC LCC:Science (General)Idioma eng
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Open Access
Forage yield, water- and solar radiation-productivities of perennial pastures and annual crops sequences in the south-eastern Pampas of Argentina
Artículo
Acceso abierto Artículo CONICET Digital
Ojeda, J.J. et al · Elsevier Science · 2018 · ISSN 0378-4290
Livestock production systems of Argentina show an ongoing process of change in the composition of their forage base, with a gradual increase in the proportion of their area assigned to forage crop sequences (FCS) −in p...
Idioma eng
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Open Access
Improved Physicochemical Properties of Pork Patty Supplemented with Oil-in-Water Nanoemulsion
Artículo
Material complementario disponible Artículo DOAJ
Jiseon Lee et al · Springer Nature · 2020 · ISSN 2636-0772
Abstract This study aimed to investigate the effect of nanoemulsion (NEM) on the physicochemical and sensory characteristics of pork patty to improve texture for elderly members of the population. Hence, we prepared pork...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Animal cultureIdioma eng
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IoT-based Automated Water Quality Monitoring System for Fish Hatcheries
Artículo
Acceso abierto Artículo DOAJ
Arivarasi et al · EDP Sciences · 2026 · ISSN 2100-014X
Fish health and survival in hatcheries depend heavily on the state of the water. Manual testing is time-consuming and inefficient using conventional techniques. This research suggests a low-cost, IoT-based approach for r...
LCC TENDOlBoeXNpY3M~Idioma eng
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Open Access
Minimizing Electricity Consumption by Electric Drives of the Outdoor Air and Water Supply Units in a Heat Pump Used for Heating Multistorey Buildings
Artículo
Acceso abierto Artículo DOAJ
Sit M.L. et al · Academy of Sciences of Moldova · 2026 · ISSN 1857-0070
This paper focuses on control systems for hybrid heat pumps that utilize the heat from return heat-ing water and outdoor air, designed to operate in district heating systems based on central heating plants. The aim of th...
LCC LCC:Electrical engineering. Electronics. Nuclear engineering; TENDOlByb2R1Y3Rpb24gb2YgZWxlY3RyaWMgZW5lcmd5IG9yIHBvd2VyLiIdioma eng
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Photosynthetic parameters and growth in seedlings of Bertholletia excelsa and Carapa guianensis in response to pre-acclimation to full sunlight and mild water stress
Artículo
Acceso abierto Artículo DOAJ
Gracilene Fernandes da Costa Azevedo · Instituto Nacional de Pesquisas da Amazônia · 2014 · ISSN 0044-5967
Light and water are important factors that may limit the growth and development of higher plants. The aim of this study was to evaluate photosynthetic parameters and growth in seedlings of Bertholletia excelsa and Carapa...
LCC LCC:Science (General)Idioma eng
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Open Access
Physiological stress responses in the warm-water fish matrinxã (Brycon amazonicus ) subjected to a sudden cold shock Respostas fisiológicas ao estresse do peixe de águas tépidas matrinxã (Brycon amazonicus ) submetido à queda brusca de temperatura
Artículo
Acceso abierto Artículo DOAJ
Luis Antonio Kioshi Aoki Inoue et al · Instituto Nacional de Pesquisas da Amazônia · 2008 · ISSN 0044-5967
The present work evaluated several aspects of the generalized stress response [endocrine (cortisol), metabolic (glucose), hematologic (hematocrit and hemoglobin) and cellular (HSP70)] in the Amazonian warm-water fish mat...
LCC LCC:Science (General)Idioma eng
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Open Access
Precipitable water and water vapor flux between Belém and Manaus()
Artículo
Material complementario disponible Artículo DOAJ
José Marques et al · Instituto Nacional de Pesquisas da Amazônia · 1977 · ISSN 0044-5967
Abstract The water vapor flux and precipitable water was computated over the natural Amazon forest in the stretch between Belem and Manaus for 1972. The atmospheric branch of hidrological cycle teory was applied and the ...
LCC LCC:Science (General)Idioma eng
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Qualitative assessment of water of the Al-Khazer river between Mosul and Erbil city
Artículo
Material complementario disponible Artículo DOAJ
Eman Al-Sarraj · University of Mosul, College of Education for Pure Science · 2020 · ISSN 1812-125X
This paper discusses the results of a study carried out from the period of December 2017 to April 2018, on assessing water quality of Al-Khazer river between Mosul and Erbil City. Al-Khazer river is considered as one of ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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SAR-NDWI Integration in Ephemeral Water Detection Mapping for Hydrological Analysis in ASALs
Artículo
Acceso abierto Artículo DOAJ
N. Mwova · Copernicus Publications · 2026 · ISSN 1682-1750
Arid and semi-arid lands (ASALs) like Marsabit and Isiolo Counties in Kenya face significant water scarcity, necessitating accurate mapping of surface water resources. Even with mostly dry and arid conditions in these re...
LCC TENDOlRlY2hub2xvZ3k~; LCC:Engineering (General). Civil engineering (General); TENDOkFwcGxpZWQgb3B0aWNzLiBQaG90b25pY3M~Idioma eng
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Open Access
Suitability of sensor technologies for monitoring water buffalo (Bubalus bubalis) behavior in year-round coastal grazing systems
Artículo
Material complementario disponible Artículo DOAJ
Almut Scheler et al · Frontiers Media S.A · 2026 · ISSN 2673-6225
Water buffalo (Bubalus bubalis) are increasingly used for landscape management on rewetted peatlands, where monitoring their behavior and welfare remains challenging due to large, water−rich and difficult−to-access g...
LCC TENDOlZldGVyaW5hcnkgbWVkaWNpbmU~Idioma eng
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The water ice rich surface of (145453) 2005 RR43: A case for a carbon-depleted population of TNOs?
Artículo
Acceso abierto Artículo CONICET Digital
Pinilla Alonso, N. et al · EDP Sciences · 2007 · ISSN 0004-6361
Context. Recent results suggest that there is a group of trans-Neptunian objects (TNOs) (2003 EL61 being the biggest member), with surfaces composed of almost pure water ice and with very similar orbital elements. These ...
Idioma eng
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Open Access