نتایج جستجو برای: mixing ventilation systems mvs
تعداد نتایج: 1285923 فیلتر نتایج به سال:
BACKGROUND/AIMS Extracellular vesicles (EVs) are spherical fragments of cell membrane released from various cell types under physiological as well as pathological conditions. Based on their size and origin, EVs are classified as exosome, microvesicles (MVs) and apoptotic bodies. Recently, the release of MVs from human red blood cells (RBCs) under different conditions has been reported. MVs are ...
Tn this paper~ we present a method for capacity planning which illustrates the mutually complementary role~ of CAPTURE/MVS~ BEST/I and SAS. The first two of these are software products developed by BGS Systems, Inc.; they provide the ability to extract and analyze MVS measurement data, and to project the performance impacts of system or workload changes. In this study, SAS 1::; used in cunjunct...
At present, laminar airflow (LAF) systems and mixing ventilation (MV) are two commonly used solutions for operating rooms (ORs) to ensure the required indoor air quality. However, recent studies have shown that there is little difference in prevalence of surgical site infection (SSI) LAF MV systems. The objective this study was compare performance an system with ORs at St. Olavs hospital, Norwa...
[1] It is often assumed that ventilation of the atmospheric boundary layer is weak in the absence of fronts, but is this always true? In this paper we investigate the processes responsible for ventilation of the atmospheric boundary layer during a nonfrontal day that occurred on 9 May 2005 using the UK Met Office Unified Model. Pollution sources are represented by the constant emission of a pas...
BACKGROUND Lung development and function is compromised at term in infants with bronchopulmonary dysplasia (BPD), characterized by reduced functional residual capacity (FRC) and impaired gas-mixing efficiency in distal airways. OBJECTIVE To determine whether continuous positive airway pressure (CPAP) improves FRC, ventilation, distal airway function, and gas exchange in spontaneously breathin...
The purpose of this investigation was to validate a new system of breath-bybreath expired gas analysis to both an artificial working model of lung ventilation and gas exchange as well as to the Douglas bag technique. In addition, comparisons will be made between expired fractions, ventilation, and computations of VO2, VCO2, and RER between the new system and a commercial mixing chamber system (...
In this paper, a numerical model is presented to study the indoor air quality (IAQ) in a room with different emission sources, sinks, and ventilation methods. A computer program, ACCESS-IAQ, is developed to simulate the airflow pattern, the time history of the contaminant concentrations in the occupied zone, and the inhalation exposures. The program developed may be useful for IAQ professional ...
RATIONALE Matrix vesicles (MVs) are specialized structures that initiate mineral nucleation during physiological skeletogenesis. Similar vesicular structures are deposited at sites of pathological vascular calcification, and studies in vitro have shown that elevated levels of extracellular calcium (Ca) can induce mineralization of vascular smooth muscle cell (VSMC)-derived MVs. OBJECTIVES To ...
BACKGROUND The impact of raltegravir-resistant HIV-1 minority variants (MVs) on raltegravir treatment failure is unknown. Illumina sequencing offers greater throughput than 454, but sequence analysis tools for viral sequencing are needed. We evaluated Illumina and 454 for the detection of HIV-1 raltegravir-resistant MVs. METHODS A5262 was a single-arm study of raltegravir and darunavir/ritona...
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