نتایج جستجو برای: frc

تعداد نتایج: 1238  

Journal: :The journal of adhesive dentistry 2016
Carlo Monaco Antonio Arena Roberto Scotti Ivo Krejci

PURPOSE To evaluate the fracture strength and the failure mode of endodontically treated teeth restored with composite resin overlays with and without glass-fiber reinforcement. MATERIALS AND METHODS A total of 32 extracted molars were divided into four equal groups. In the NFR-NFRC (no foundation restoration, no fiber-reinforced composite) and NFR-FRC (no foundation restoration, fiber-reinfo...

Journal: :Respiratory care 2009
Penelope S Benedik Mara M Baun Leendert Keus Carlos Jimenez Rodolfo Morice Akhil Bidani Janet C Meininger

INTRODUCTION A partial sitting position has been reported to increase functional residual capacity (FRC) in lean subjects, whereas FRC does not change with position in the morbidly obese. The effects of positioning in the subgroup of overweight and mildly to moderately obese subjects have not been examined. We hypothesized that a change in FRC may be related to adipose tissue distribution. ME...

Journal: :Canadian Anaesthetists' Society journal 1975
D B Craig M A Toole

Closing capacity (CC; the lung volume at which dependent lung zones cease to ventilate, presumably as a result of airway closure) and standard lung volumes were measured in twenty-four normal women 21 to 29 years of age in the seated and supine positions. Measurements were made serially during pregnancy and once 6 to 8 weeks post partum (the control period). CC was unchanged during pregnancy, w...

2012
Frederik Graw Roland R. Regoes

Secondary lymphoid organs (SLO), such as lymph nodes and the spleen, display a complex micro-architecture. In the T cell zone the micro-architecture is provided by a network of fibroblastic reticular cells (FRC) and their filaments. The FRC network is thought to enhance the interaction between immune cells and their cognate antigen. However, the effect of the FRC network on cell interaction can...

2017
Lulu Zhang Hui Lin Wei Liu Baodi Dai Lan Yan YongBing Cao Yuan-Ying Jiang

This study was designed to investigate the antifungal activity of a hydroalcoholic extract from Flos Rosae Chinensis (FRC) combined with fluconazole (FCZ) against clinical isolates of Candida albicans resistant to FCZ. The minimum inhibitory concentration (MIC) of FRC was determined using a checkerboard microdilution assay. The synergistic effects of the combination of FRC and FCZ against clini...

Journal: :European journal of orthodontics 2013
J Ohtonen P K Vallittu L V J Lassila

To compare force levels obtained from glass fibre-reinforced composite (FRC) archwires. Specifically, FRC wires were compared with polymer matrices having different dimethacrylate monomer compositions. FRC material (E-glass provided by Stick Tech Ltd, Turku, Finland) with continuous unidirectional glass fibres and four different types of dimethacrylate monomer compositions for the resin matrix ...

Journal: :Journal of applied physiology 1991
Y Kikuchi W Hida T Chonan C Shindoh H Sasaki T Takishima

The purposes of the present study were to determine the changes in functional residual capacity (FRC) during inspiratory loading and to examine their mechanisms. We studied seven normal subjects seated in a body plethysmograph. In both graded inspiratory elastic (35, 48, and 68 cmH2O/l) and resistive (21, 86, and 192 cmH2O.l-1.s) loading, FRC invariably decreased from control FRC and phasic exp...

2008
Lara Brewer Dinesh Haryadi Joseph Orr

Background: We measured Functional Residual Capacity (FRC) of the lungs with a CO2 partial rebreathing technique, first in a mechanical lung analog, and then in mechanically ventilated animals before, during, and subsequent to an acute lung injury induced by oleic acid. We compared the FRC from partial CO2 rebreathing with those of a nitrogen washout reference method. Materials and Methods: Usi...

Journal: :Respiratory care 2007
Lara M Brewer Dinesh G Haryadi Joseph A Orr

BACKGROUND Several techniques for measuring the functional residual capacity (FRC) of the lungs in mechanically ventilated patients have been proposed, each of which is based on either nitrogen wash-out or dilution of tracer gases. These methods are expensive, difficult, time-consuming, impractical, or require an intolerably large change in the fraction of inspired oxygen. We propose a CO(2) wa...

Journal: :Archives of facial plastic surgery 2009
William D Losquadro Sherard A Tatum Matthew J Allen Kenneth A Mann

OBJECTIVE To compare the strength of polylactide-co-glycolide fiber-reinforced calcium phosphate bone cement (FRC) with nonreinforced calcium phosphate bone cement (NRC) subjected to simulated dural pulsations in defects larger than 25 cm(2). METHODS Seven NRC and 7 FRC specimens were set in both medium (37.5 cm(2)) and large (50.0 cm(2)) model skull defects while subjected to simulated dural...

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