Results 61 to 70 of about 174,046 (216)

Stochastic Modelling of Daily Precipitation in Semi‐Arid Regions Using Markov Chains and Parametric Distributions

open access: yesInternational Journal of Climatology, EarlyView.
This study applies stochastic rainfall models combining Markov Chains with gamma and mixed exponential distributions to a semi‐arid climate in Northeast Brazil. Model structures were evaluated using Bayesian Information Criterion (BIC), with maximum likelihood (MLM) for parameter estimation and cumulative distribution functions (CDFs) for validation ...
Gabriel Magno Cavalcante Calado   +5 more
wiley   +1 more source

Relação entre obesidade e agravamento clínico em pacientes diagnosticados com sars-cov-2: uma revisão

open access: yesRevista Brasileira de Obesidade, Nutrição e Emagrecimento, 2022
Introdução: A obesidade é considerada um dos fatores de piora clínica da Sars-Cov-2. Objetivo: Verificar a influência da obesidade na possível piora clínica em pacientes com Sars-CoV-2.
Lorrane Rocha da Cunha   +5 more
doaj  

Rarity of monodominance in hyperdiverse Amazonian forests. [PDF]

open access: yes, 2019
Tropical forests are known for their high diversity. Yet, forest patches do occur in the tropics where a single tree species is dominant. Such "monodominant" forests are known from all of the main tropical regions. For Amazonia, we sampled the occurrence
Alonso, Alfonso   +99 more
core  

Brazilian Society of Surgical Oncology: Guidelines and Consensus Statement for Palliative Surgery in Oncology

open access: yesJournal of Surgical Oncology, EarlyView.
ABSTRACT Background and Objective Palliative surgery in oncology aims to relieve symptoms, improve quality of life, and respect patient autonomy in advanced cancer. This study aimed to develop evidence‐based recommendations for safely indicating and performing palliative surgeries in Brazil, considering clinical, ethical, and multidisciplinary aspects.
Audrey Cabral Ferreira de Oliveira   +15 more
wiley   +1 more source

Formation of the City of Belém (PA): Central Area and its Paper Historical and Geographical

open access: yesEspaço Aberto, 2012
In the 17th Century the urban life of Belém spread out from a promontorylocated at the meeting point of Guajará Bay and Guamá River. These "natural obstacles" (waterways, floodplains and flooded forest) presented momentary setbacks to urban expansion ...
Antônio Carlos Ribeiro Araújo Júnior   +1 more
doaj  

ANÁLISE DOS RESULTADOS INICIAIS DO PROGRAMA DE TRANSPLANTE RENAL DOADOR CADÁVER NO ESTADO DO PARÁ

open access: yesBrazilian Journal of Transplantation, 2005
Objetivo: O programa de transplante renal doador cadáver no Estado do Pará teve seu início em Dezembro de 2000. O objetivo do presente estudo foi avaliar os resultados iniciais deste programa, assim como identificar os principais fatores de risco ...
Aluízio Gonçalves da Fonseca   +7 more
doaj   +1 more source

2. Wochenbericht M148 [PDF]

open access: yes, 2018
24.05.
Dengler, Marcus
core  

A pipeline to compile expert‐verified datasets of digitised herbarium specimens for automated plant identification to accelerate taxonomy

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Understanding and protecting plant life is essential for tackling the twin challenges of biodiversity loss and climate change. To support this, we have developed a new digital approach that helps identify plant species more quickly and accurately.
Jed Arno   +10 more
wiley   +1 more source

Environmental filters drive functional similarity in disjunct ferruginous outcrops of Eastern Amazonia

open access: yesFrontiers in Plant Science
Ferruginous outcrops are ecologically formations that host high biodiversity and edaphic endemism. While canga outcrops in Carajás have been the focus of more extensive research, ferruginous outcrops in the Araguaia remain poorly studied, especially with
Viviane Vasconcelos Chaves   +11 more
doaj   +1 more source

Structural issues on the portuguese fig production: recent developments [PDF]

open access: yes, 2008
Fig production evolution registered an enormous decrease in Portugal on the last decades. In what concerns any agricultural production and its evolution we have to look to the structural issues affecting the culture trying to understand what is going on ...
Freitas, Maria de Belém
core   +1 more source

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