نتایج جستجو برای: oxygen
تعداد نتایج: 208564 فیلتر نتایج به سال:
the effect of oxygen therapy on postoperative nausea and vomiting aliakbarzadeh arani z [1] *,gilasi hr [2] , khari arani m [3] ,shouri bidgoli ar [4] , asayesh h [5] received: 14 apr, 2013 accepted: 15 jun, 2013 abstract background & aims : postoperative nausea and vomiting (ponv) are the most common complications after surgery which could cause complications and problems for many ...
This study was conducted to assess the role of maternal oxygen administration during the second stage of labor on umbilical cord blood gas values. This study was done in Fatemieh hospital on 160 pregnant women who were admitted for vaginal delivery and had the inclusion criteria. A group ...
Short-term oxygen consumption and filtration rate experiments were conducted to evaluate the response of edible cockle Cerastoderma edule when infested by the Digenean trematod Labratrema minimus. In this experiment the metabolic activities of bivalves were measured to detennine this particular aspect of the host-parasite interaction. We have used the Bucephalidae digenea Labratrema minimus inf...
Introduction: The dynamics of oxygen after exercise is considered as an important indicator of fitness and cardiovascular health. The objective of this study was to compare the dynamics of oxygen consumption in the recovery period after two maximum exercise continuous and interval in female basketball players. Methods: In this study,7 women basketball players were selected and in three separat...
The effects of oxygen flow rate on refractive index of aluminum oxide film have been investigated. The Al2O3 films are deposited by electron beam on glass substrate at different oxygen flow rates. The substrate was heated to reach and the temperature was constant during the thin film growth. The transmittance spectrum of samples was recorded in the wavelength 400-800 nm. Then, using the maxim...
background pain management with the use of sedatives and analgesics has several advantages and few complications or side effects. objectives in this study, we planned to evaluate the effects of pain control on oxygen saturation independent of other factors, such previous cardio-pulmonary conditions or respiratory rate. patients and methods sixty-seven adult patients with direct trauma to extrem...
Urban and industrial wastewaters are considered as the most contaminant of surface water. Entrance of these pollutants to the river reduces the concentration of dissolved oxygen and aquatic life will be threatened. So, one of the main qualitative characteristics of water resources management is the concentration of dissolved oxygen. The base of the developed model in this investigation is t...
we report the development of different types of oxygen sensors based on yittria-stabilized zirconia (ysz) as a solid electrolyte. the conventional oxygen sensor is a concentration cell with two porous pt electrodes, one of which is exposed to air as a constant (reference) oxygen concentration and the other is exposed to automobile exhaust gas of variable oxygen concentration, depending on the a...
hemoglobin is a tetrameric oxygen transport protein in animal bodies. however, there is a paucity of information regarding differences between alpha and beta subunits of hemoglobin in terms of oxygen affinity. the sequential model of koshland, nemthy and filmer (knf model) has attributed similar affinities to both alpha and beta subunits. the main purpose of the present study is to construct a ...
On the basis of experimental data a kinetic model for the heterogeneous interaction between alkylperoxyradicals and organic compounds in Langmuir- Hinshelwood approach at room temperature has been offered.The effect of oxygen on the kinetics of process in the presence, [O2]o = 1 x 1011 – 1.6 x 1012 molecules.cm-2, and absence of oxygen has been analyzed. Over time the chain degenerate branching...
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