نتایج جستجو برای: sonic velocity
تعداد نتایج: 149843 فیلتر نتایج به سال:
PURPOSE To prospectively evaluate whether ultrasonography (US)-guided vascular access can be learned and performed faster with the sonic flashlight than with conventional US and to demonstrate sonic flashlight-guided vascular access in a cadaver. MATERIALS AND METHODS Institutional review board approval and oral and written informed consent were obtained. The sonic flashlight replaces the sta...
Abstract The dynamics of the screening effect Ar impurity by injection additional Ne has been studied through time-dependent analysis with integrated divertor code SONIC. In preceding study (Yamoto et al 2020 Plasma Phys. Control. Fusion 62 045006), predictive simulation JT-60SA plasma SONIC shown that into Ar-seeded results in lower density and radiation power SOL core edge than Ar-only seeded...
Aims. In the context of Be stars, we re-studied viscous transonic decretion disk model these stars. This is driven by a radiative force due to an ensemble optically thin lines and viscosity considering Shakura–Sunyaev prescription. Methods. The nonlinear equation motion presents singularity (sonic point) eigenvalue, which also initial condition at stellar surface. Then, obtain this set it as ra...
Many new types of sonic anemometer obtain sonic temperature from an average value of temperature measured along three paths, unlike previous sonic anemometers that generally used one path. New equations are derived to calculate temperature variance from sonic temperature variance and sensible heat flux from buoyancy flux considering the influence of a crosswind. These equations can be applied t...
Local 1-shock curve arcs and local reverse 2-shock curve arcs were constructed, in the geometric context of the wave manifold, in a previous paper. In that geometric context, sonic and sonic’ surfaces are the boundaries of admissible shock curve arcs; in order to introduce the concept of non-local 1-shock curve arcs and non-local reverse 2shock curve arcs it is necessary to understand how a hug...
Sonic hedgehog is involved in vertebrate tissue interactions during development. During early feather development, Sonic hedgehog appears very early in epithelial placodes. During late feather development, Sonic hedgehog expression precedes the development of the marginal plates and is specifically localized in the marginal plate epithelium, which will later undergo cell death. By using retrovi...
While the majority of studies in sonic interaction design (SID) focuses on sound as the output modality of an interactive system, the broad scope of SID includes also the use of sound as an input modality. Sonic gestures can be defined as sound-producing actions generated by a human in order to convey information. Their use as input in computational systems has been studied in several isolated ...
In flotation process, the efficiency and selectivity depend on mineralogy, particle size distribution liberation, reagents added, mixing, coverage. However, kinetics of recovery is highly dependent cell hydrodynamic circuit configuration operational strategy. Controlling froth depth gas flow rate, measured as superficial velocity, a straightforward alternative related to in collection zones. th...
During the development of the proventriculus (glandular stomach) of the chicken embryo, the endodermal epithelium invades into the surrounding mesenchyme and forms glands. The glandular epithelial cells produce pepsinogen, while the non-glandular (luminal) epithelial cells secrete mucus. Sonic hedgehog is expressed uniformly in the proventricular epithelium before gland formation, but its expre...
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