Results 61 to 70 of about 165,308 (190)

Factors related to mortality of senior citizens due to pneumonia associated to mechanical ventilation

open access: yesRevista Electrónica Dr. Zoilo E. Marinello Vidaurreta, 2018
Background: at the intensive care unit of the “Dr. Agostinho Neto” Hospital a way to assess the risk of mortality of senior citizens due to pneumonia associated to mechanical ventilation is not available.Objective: to identify the factors related to ...
Reinaldo Elias-Sierra   +3 more
doaj  

Comparative Study between Surgical Repair of Atrial Septal Defect via Median Sternotomy, Right Submammary Thoracotomy, and Right Vertical Infra-Axillary Thoracotomy

open access: yesBrazilian Journal of Cardiovascular Surgery
Objective: To compare the results of surgical repair via median sternotomy, right submammary thoracotomy, and right vertical infra-axillary thoracotomy for atrial septal defect (ASD).
Zeng-rong Luo   +4 more
doaj   +1 more source

Separating soil respiration components with stable isotopes: natural abundance and labelling approaches

open access: yesiForest - Biogeosciences and Forestry, 2010
Due to the potential of forest ecosystems contributing to CO2 increase as well as to climate change mitigation, forest-atmosphere CO2 exchange has been intensively studied over last decades.
Braig E, Tupek B
doaj   +1 more source

Denitrification, activity of bacterial flocs, and growth of a filamentous bacterium in relation with the bulking of activated sludge [PDF]

open access: yes, 1978
Activated sludge with poor settling characteristics is caught under the term "bulking" sludge. Various types of bulking activated sludge can be distinguished.1) Sludge containing an abundance of filamentous microorganisms.2) Sludge, characterized by ...
Krul, J.M.
core   +1 more source

Methods and systems for extracting venous pulsation and respiratory information from photoplethysmographs [PDF]

open access: yes, 2019
A system and method for separating a venous component and an arterial component from a red signal and an infrared signal of a PPG sensor is provided.
Nourani, Mehrdad, Yousefi, Rasoul
core   +1 more source

Atmosphere Behavior in Gas-Closed Mouse-Algal Systems: An Experimental and Modelling Study [PDF]

open access: yes, 1985
A dual approach of mathematical modelling and laboratory experimentation aimed at examining the gas exchange characteristics of artificial animal/plant systems closed to the ambient atmosphere was initiated.
Averner, M. M.   +3 more
core   +1 more source

The impact of physical processes on algal growth [PDF]

open access: yes, 1992
Mixing and transport processes in surface waters strongly influence the structure of aquatic ecosystems. The impact of mixing on algal growth is species-dependent, affecting the competition among species and acting as a selective factor for the ...
Imboden, D.M.
core  

Suporte ventilatório na capacidade funcional de pacientes com insuficiência cardíaca: estudo piloto Soporte ventilatorio en la capacidad funcional de pacientes con insuficiencia cardiaca: estudio piloto Effect of ventilatory support on functional capacity in patients with heart failure: a pilot study

open access: yesArquivos Brasileiros de Cardiologia, 2011
FUNDAMENTO: A insuficiência cardíaca é um importante problema de saúde pública, apresentando a dispneia e a fadiga como principais sintomas clínicos. A utilização do suporte ventilatório não invasivo vem atuando como coadjuvante da reabilitação cardíaca ...
Eugênia da Silva Lima   +8 more
doaj  

Indicators of the Element Range of Rat's Blood in Term Artificial Hypobyosis [PDF]

open access: yes, 2018
The promising method of anesthesia and anesthesia is the state of artificial hypobiosis. Hypercapnia is a prerequisite for creating an artificial carbon dioxide hypobiosis, along with hypoxia and hypothermia.
Kalachnyuk, L. (Lilia)   +2 more
core  

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