نتایج جستجو برای: diaphragms
تعداد نتایج: 892 فیلتر نتایج به سال:
Shock tubes have been routinely used to generate reliable chemical kinetic data for gas-phase chemistry. The conventional diaphragm-rupture mode shock tube operation presents many challenges that may ultimately affect the quality of kinetics data. Numerous diaphragmless concepts developed overcome drawbacks using diaphragms. Most these designs require significant alterations in driver section a...
Abstract This article outlines the development of an elastically foldable, bistable diaphragm geometry that enables increase in compression volume compressors compared to use flat diaphragms. Using a Finite Element Model (FEM) ABAQUS/Standard, several membrane geometries (truncated cone, and dome) were calculated analyzed with regard their elastic deformation. Selected produced using Single Poi...
Pressure measurement devices can be classified into two groups: those where pressure is the only source of power and those that require electrical excitation. The mechanical style devices that are only excited by pressure, such as bellows, diaphragms, bourdons, tubes or manometers, are usually suitable for purely mechanical systems. With these devices a change in pressure will initiate a mechan...
FIG lo-Erect chest radiograph showing a large pneumoperitoneum with air under both diaphragms. The right hemidiaphragm is raised. Dilated air filled loops of bowel are projected overthe liver (arrows)-both sides ofthe bowel wall can be seen (Rigler's sign). Summary Diagnostic quality Alignment of bones Bone margins and density Cartilage and joints Soft tissues Bowel gas pattern Pneumoperitoneum...
We use continuum mechanics to calculate an entire least energy pathway of membrane fusion, from stalk formation, to pore creation, and through fusion pore enlargement. The model assumes that each structure in the pathway is axially symmetric. The static continuum stalk structure agrees quantitatively with experimental stalk architecture. Calculations show that in a stalk, the distal monolayer i...
Duchenne muscular dystrophy (DMD) is characterized by progressive muscle weakness which is ultimately fatal, most often due to involvement of the diaphragm. Macrophage infiltration of dystrophic muscles has been strongly linked to muscle damage and fibrosis in DMD. We hypothesized that cenicriviroc (CVC), a dual chemokine receptor (CCR2/CCR5) antagonist currently under clinical evaluation for o...
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