Navegar por los elementos (20655 total)
Ordenar por:
Reúso del agua de producción de hidrocarburos: reto y oportunidad
La explotación de gas y petróleo demanda millones de metros cúbicos de agua que se convierten en residuo. Esta agua de producción (AP) se reinyecta en los pozos o se vierte en la naturaleza; solo un mínimo volumen es tratado para ser reutilizado en…
Position: 3869 (49 views)
Return of the Coronavirus: 2019-nCoV
The emergence of a novel coronavirus (2019-nCoV) has awakened the echoes of SARS-CoV from nearly two decades ago. Yet, with technological advances and important lessons gained from previous outbreaks, perhaps the world is better equipped to deal with…
Position: 5354 (43 views)
Retrospective study of nail telemedicine visits during the COVID-19 pandemic.
Position: 19982 (19 views)
Retrospective serosurveillance for anti-SARS-CoV-2 immunoglobulin during a time of low prevalence: A cautionary tale.
We performed a retrospective screening of 428 serum samples for anti-SARS-CoV-2 immunoglobulin during a period of low prevalence. Employing two different serological tests yielded discrepant results for 10 samples; highlighting an increased risk of…
Position: 11722 (31 views)
Retrospective Evaluation of the Prevelance and Seasonal Distribution of Coronaviridae Positivity Before the COVID-19 Pandemic (2016-2020)
Introduction: Coronaviruses are the agents of viral respiratory infections and cause severe respiratory infections, especially in the elderly, those with chronic disease and immunocompromised patients. The aim of this study was to determine the…
Position: 14126 (28 views)
Retrospective analysis of severe COVID-19 pneumonia patients treated with lopinavir/ritonavir: A comparison with survivor and non-survivor patients
Background: Currently there is no proven medical treatment for COVID-19. We aimed to determine the factors affecting mortality and changes in clinical and laboratory findings in patients with severe COVID-19 pneumonia treated with lopinavir/ritonavir…
Position: 18674 (22 views)
Retrospective Analysis of Clinical Characteristics and Neonatal Outcomes of Pregnant Women with SARS-COV-2 Infection.
This retrospective study aimed to investigate the clinical characteristics and neonatal outcomes of pregnant women with SARS-COV-2 in Wuhan Children's Hospital and further suggested a possible management strategy for infected pregnant women under…
Position: 12517 (30 views)
Retrospectiva Histórica do ensino agrícola no Brasil
Esse artigo tem por objetivo central tratar da questão da formação profissional agrícola. Desde o início do Século XX, o ensino agrícola no Brasil se apresentou como meio de fixação do homem ao campo, isso ficou evidente nos ideários do “ruralismo…
Position: 3037 (54 views)
Retrospectiva agroecológica a la interacción entre sistemas agrícolas tradicionales y modernos.
En este trabajo se realiza un acercamiento desde la agroecología crítica a los orígenes y la expansión de la 'agricultura moderna' y a su extensión hacia los sistemas agrícolas tradicionales del tercer mundo. Asítambién, se analizan los efectos de…
Position: 3037 (54 views)
Retrato preliminar do território do alto sertão sergipano pelos dados do censo agropecuário 2017
O conhecimento sobre a dinâmica econômica rural do território brasileiro consiste em um ponto fundamental em um país em que a produção agropecuária se destaca como principal setor econômico e é a principal fonte de sobrevivência de famílias de baixa…
Position: 16680 (25 views)