The benefits of a baffle fenestration in essentially high-risk Fontan patients have been demonstrated. Described here is the use of a new fenestration between the left atrial appendage and the left superior vena cava after Kawashima operation in a patient with a double-outlet right ventricle with hypoplastic left ventricle, left atrial isomerism, bilateral superior vena cavae with no bridging v...

A gas relay in the transformer, an important non-electricity protection equipment, only triggers stem leaf spring for serious alarm when baffle rotates to a certain angle, which cannot judge transformer fault event of heavy before running state and development process, this paper puts forward kind based on panel corner monitoring methods. The partial structure is improved, signal extracted by i...

Abstract In order to reduce the radar cross section (RCS) of unmanned aircraft while suppressing its infrared signature, a comprehensive design method (CDM) based on sorting factor Pareto solution is presented. The physical optics and diffraction theory are used evaluate electromagnetic scattering characteristics aircraft, Monte Carlo ray tracing radiation intensity exhaust system. CDM screen e...

The key to ensure the reliability of cloud detonation in high-drop-velocity double-event fuel-air explosives (DEFAEs) is cause twice-detonating device (TDD) detonate dispersed fuel. Here, an ejection mechanism for a TDD designed and process analyzed through outfield test. Accordingly, simulation model description established verified be reliable by comparing it with experimental results. Based ...

A design study of a Fusion Ignition Research Experiment (FIRE) is underway to investigate and assess near term opportunities for advancing the scientific understanding of self-heated fusion plasmas. The emphasis for the FIRE program is on understanding the behavior of plasmas dominated by alpha heating (Q ≥ 5). Study activities have focused on the technical evaluation of a compact, high field, ...

From Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom. Disclosures: None. Received for publication March 26, 2008; revisions received June 5, 2008; accepted for publication Sept 1, 2008; available ahead of print Jan 27, 2009. Address for reprints: Prem Venugopal, MCh, FRCS, Department of cardiac Surgery, East wing, St Thomas’ Hospital, Lambeth Palace Rd, London SE1 7EQ, United ...

Pregnancy can be daunting. Prenatal gadgets tempt expecting mothers at every turn, as the market is saturated with ever-changing options for mommy, daddy and baby. But underneath it all, we are simply driven by a common desire to fulfill the ideals of motherhood and to connect with our babies. Stroller technology alone is enough to baffle the mind. Maybe next year we’ll see an organic, Tempur-P...

A micro-perforated panel (MPP) with a backing cavity is a well known device for efficient noise absorption. This configuration has been thoroughly studied in the experimental conditions of an acoustic tube (Kundt tube), in which the MPP is excited by a normal incident plane wave in one dimension. In a more practical situation, the efficiency of MPP may be influenced by the vibro-acoustic behavi...

The potential for acoustic metamaterials to provide a breakthrough in sound attenuation has been unlocked recent times due advancements additive manufacturing techniques. These materials allow the targeting of specific frequencies attenuation. To date have not experimentally tested an automotive silencer performance enhancement. This study investigates effect within representative silencer. res...