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The lower plug forms a base for the column and slurry is uncontaminated when it enters the annulus.
The Cardioband Mitral Reconstruction System enables surgical-like repair of the mitral valve annulus via a transfemoral, transseptal delivery system, allowing for real-time adjustment on a beating heart.
Centek is launching its Inter Casing Centraliser Sub (ICCS), designed to be run as part of a tight tolerance casing string in deepwater, ultra-narrow annulus applications.
Therefore, can allow a vacuum in the annulus for insulation.
We used Cating's (1953) definition of annuli on scales, although we did so with disregard for their position in relation to the location of the transverse grooves because the number of transverse grooves within each annulus as outlined by Cating (1953) was discredited by Duffy et al.
Primus Line has introduced an innovative technology for the trenchless rehabilitation of pressure pipelines for the water, and oil and gas using the long pipe lining with an annulus method.
The disc joint is composed of three major parts: cartilaginous vertebral endplates that cap the bodies of the vertebrae, a fibrous annulus fibrosus that is located circumferentially between the vertebral bodies, and a thick gel-like nucleus pulposus in the center bounded by the fibers of the annulus fibrosus.
Hussain and Sharif [32] followed the same general non-orthogonal, boundary-fitted curvilinear coordinates approach to conduct a similar study; however, they compared their numerical solutions with available analytical solutions of the axial velocity distribution in a concentric annulus.
There are several techniques for estimating length-at-age from otoliths including 1) direct observed counts of annual increments; 2) age adjustment based on a categorization of otolith margins; 3) age adjustment based on known periods of spawning and annuli formation; 4) back-calculation to all annuli, and 5) back-calculation to the last annulus only.
According to this scenario, Earth and Venus formed within one particularly thick band, or annulus, in the inner solar system.
LSI research also suggests that new technologies such as annulus repair and nucleus repair/replacement could begin to limit the growth of artificial discs toward the end of the forecast period.
2005) studied heat transfer characteristics of PCM in a vertical annulus and developed empirical correlations involving Nusselt number, Rayleigh number, Steffan number, and Fourier number.