نتایج جستجو برای: domino accidents
تعداد نتایج: 31453 فیلتر نتایج به سال:
Comparision on Different Domino Logic Design for High- Performance and Leakage-Tolerant Wide OR Gate
Dynamic logic circuits are used for high performance and high speed applications. Wide OR gates are used in Dynamic RAMs, Static RAMs, high speed processors and other high speed circuits. In spite of their high performance, dynamic logic circuit has high noise and extensive leakage which has caused problems for the circuits. To overcome these problems Domino logic circuits are used which reduce...
A novel connection between digit-serial computing and skewtolerant domino circuit design is developed and applied to the design of a 512-bit modular multiplier. In our design, a digit size of four bits is efficiently mapped onto a four-phase overlapping clocking scheme, so that four bits are processed during each full clock cycle. Our architecture is based on a modified interleaved multiplicati...
The domino effect is an important problem for the checkpointing and rollback recovery in distributed systems. Communication-induced checkpointing is one way of preventing domino effect. Most existing such protocols focus on guaranteeing that every checkpoint is part of a consistent global checkpoint. This may induce high run-time overhead due to the possibly excessive number of extra forced che...
We consider the subgroup of the abelian sandpile group of the grid graph consisting of configurations of sand that are symmetric with respect to central vertical and horizontal axes. We show that the size of this group is (i) the number of domino tilings of a corresponding weighted rectangular checkerboard; (ii) a product of special values of Chebyshev polynomials; and (iii) a double-product wh...
The synthesis of a previously undescribed sp3-rich 6-5-5-6 tetracyclic ring scaffold using a palladium catalysed domino Heck-Suzuki reaction is reported. This reaction is high-yielding, selective for the domino process over the direct Suzuki reaction and tolerant towards a variety of boronic acids. The novel scaffold can also be accessed via domino Heck-Stille and radical cyclisations. Compound...
A novel technique for dualthreshold is proposed and examined with inputs and clock signals combination in 65nm dualthreshold footerless domino circuit for reduced leakage current. In this technique a p-type and an n-type leakage controlled transistor (LCTs) are introduced between the pull-up and pull-down network and the gate of one is controlled by the source of the other. A high-threshold tra...
We show undecidability of hereditary history preserving simulation for finite asynchronous transition systems by a reduction from the halting problem of deterministic Turing machines. To make the proof more transparent we introduce an intermediate problem of deciding the winner in domino snake games. First we reduce the halting problem of deterministic Turing machines to domino snake games. The...
BACKGROUND Healthy volunteers received low-dose target-controlled infusions (TCI) of ketamine controlled by the Domino model while cognitive function tests and functional neuroimaging were performed. The aim of the current study was to assess the predictive performance of the Domino model during these studies, and compare it with that of three other ketamine models. METHODS Fifty-eight volunt...
We propose a new combinatorial description of the product of two Schur functions. In the particular case of the square of a Schur function SI, it allows to discriminate in a very natural way between the symmetric and antisymmetric parts of the square. In other words, it describes at the same time the expansion on the basis of Schur functions of the plethysms S2(SI) and A2(SI) . More generally o...
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