نتایج جستجو برای: spinning disc
تعداد نتایج: 55061 فیلتر نتایج به سال:
The development of very powerful intelligent information systems requires the use of many techniques best derived by studying human understanding methods. RESEARCHER is a system that reads, remembers, generalizes from, and answers questions about complex technical texts, patent abstracts in particular. In this paper we discuss three current areas of research involving RESEARCHER the generalizat...
In this work we present a novel technology that combines the advantages of centrifugal microfluidics with dynamic in-situ Surface Enhanced Raman Spectroscopy (SERS) sensing. Our technology is based on an automated readout system that allows on-line SERS acquisition on a rotating centrifugal microfluidic platform with embedded gold nanopillar substrates. While spinning, the disc platform enables...
In the course of its evolution, a black hole (BH) accretes gas from wide range directions. Given random accretion event, typical angular momentum an disc would be tilted by ∼60∘ relative to BH spin. Misalignment causes precess at rate that increases with spin and depends on morphology. We present general-relativistic magnetohydrodynamic (GRMHD) simulations spanning full precession period highly...
I. The protective effect of different particle sizes of sodium cromoglycate (SCG) was assessed by exercise challenge in nine asthmatic patients. 2. SCG particles of 11.7 pm or 2 0 pm mass median diameter were generated by a spinning disc and compared with lactose placebo particles. The drugs were given 10 min before a 6 min run on a treadmill. 3. The post-exercise bronchoconstriction caused a 4...
Spinning-disc interferometry (SDI) is a high-speed laser scanning approach to surface metrology that uses common-path interferometry to measure protein spots on a BioCD disk. The measurement sensitivity depends on the scanning pitch and on the time-base. Based on high-resolution laser scanning images of printed antibody spots, we quantify the protein sensitivity as a function of the scan parame...
We have detected coherent oscillations, at multiple frequencies, in the line and continuum emission of the eclipsing dwarf nova V2051 Ophiuchi using the 10m Keck II telescope. Our own novel data acquisition system allowed us to obtain very fast spectroscopy using a continuous readout of the CCD on the LRIS spectrograph. This is the first time that dwarf nova oscillations are detected and resolv...
A turbulent channel flow modified by the motion of discs that are free to rotate under action wall turbulence is studied numerically. The Navier-Stokes equations coupled nonlinearly with dynamical equation disc motion, which synthesizes fluid-flow boundary conditions and driven torque exerted wall-shear stress. We consider fully exposed fluid for only half surface interfaces fluid. thwarted in ...
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