Temperature has become an important design constraint for high-performance microprocessors. Research on temperature-constrained microarchitecture requires an efficient modeling of temperature. We propose an analytical model of temperature, based on solving a boundary-value problem of heat conduction. The model gives steady-state and transient temperature at any point on the dissipating plane, a...

We measure transient spin accumulation in Cu, Ag, and Au by time-resolved magneto-optical Kerr effect. The transient spin current is generated by ultrafast demagnetization of a ferromagnetic [Co/Pt] layer, and spin accumulates in an adjacent normal metal, Cu, Ag, or Au by spin diffusion. The magnitude of the Kerr rotation is described by an off-diagonal conductivity tensor that is proportional ...

The well-known paradoxic behavior of atrioventricular conduction, the so-called gap phenomenon, that occurs when impulses within a certain range of coupling intervals are blocked while impulses with shorter coupling intervals are conducted is attributed to differences in properties of refractoriness in neighboring regions of the conduction system. In contrast, in the present study a model was d...

BACKGROUND Isolated cardiac conduction block is a relatively common condition in young and elderly populations. Genetic predisposing factors have long been suspected because of numerous familial case reports. Deciphering genetic predisposing factors of conduction blocks may give a hint at stratifying conduction block carriers in a more efficient way. METHODS AND RESULTS One Lebanese family an...

BACKGROUND We report the first successful slow pathway ablation using a novel catheter-based cryothermal technology for the elimination of atrioventricular nodal reentrant tachycardia (AVNRT). METHODS AND RESULTS Eighteen patients with typical AVNRT underwent cryoablation. Reversible loss of slow pathway (SP) conduction during cryothermy (ice mapping) was demonstrated in 11 of 12 patients. Be...

From ancient times to the present, mathematicians have put forward many series expressions of circular constant. Because importance constant mathematical physics, research on has never stopped. In this paper, general function expression was given by studying transient heat conduction equation. physical aspect derivation process expression, we can conclude that there is an infinite number differ...

By using a combination of Ca2+ imaging and current-clamp recording, we previously reported that action potential (AP) conduction is reliably observed from the soma to axonal terminals in cultured cortical neurons. To extend these studies, we evaluated Ca2+ influx evoked by Na+ APs as a marker of AP conduction under conditions that are expected to lower the conduction safety factor to explore me...

• A modified transient hot-wire needle probe is investigated as a technique for measuring thermophysical properties of variety liquids. Seven liquids are selected study, whose thermal conductivities, corrosive potential, and electrical conductivities vary substantially. Temperature-dependent correlations developed all measurements with uncertainty being quantified. Many power generation process...

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