نتایج جستجو برای: domino accidents
تعداد نتایج: 31453 فیلتر نتایج به سال:
We introduce a new dual threshold voltage technique for domino logic. Since domino logic is much more sensitive to noise, noise margins have to be taken into account when applying dual threshold voltages to domino logic. To guarantee the signal integrity in domino logic, we carefully consider the effect of transistor sizing and threshold voltage selection. For optimal design, tradeoffs need to ...
We investigate defects in CMOS domino gates and derive the test conditions for them. Very-Low-Voltage Testing can improve the defect coverage, which we define as the maximum detectable resistance, of intra-gate and inter-gate resistive shorts. We also propose a new keeper design for CMOS domino circuits. The new keeper design has low performance impact and is best useful for small CMOS domino g...
The number of domino tilings of a region with reflective symmetry across a line is combinatorially shown to depend on the number of domino tilings of particular subregions, modulo 4. This expands upon previous congruency results for domino tilings, modulo 2, and leads to a variety of corollaries, including that the number of domino tilings of a k× 2k rectangle is congruent to 1 mod 4.
The number of domino tilings of a region with reflective symmetry across a line is combinatorially shown to depend on the number of domino tilings of particular subregions, modulo 4. This expands upon previous congruency results for domino tilings, modulo 2, and leads to a variety of corollaries, including that the number of domino tilings of a k× 2k rectangle is congruent to 1 mod 4.
OBJECTIVE Domino cardiac transplantation affords flexible and optimal organ utilization, provides hearts unaffected by brain death, allows prospective tissue matching, and subsequent transplantation with short allograft ischemic times. A retrospective review of our experience with domino cardiac transplantation has been made. METHODS Seventy-two of 119 patients who underwent heart-lung transp...
Received Dec 9, 2016 Revised Mar 27, 2017 Accepted Jun 11, 2017 The proposed domino logic is developed with the combination of Current Comparison Domino (CCD) logic and Conditional High Speed Keeper (CHSK) domino logic. In order to improve the performance metrics like power, delay and noise immunity, the redesign of CHSK is proposed with the CCD. The performance improvement is based on the para...
We report a case of double domino liver transplantation in a 32-year-old woman who was diagnosed with familial amyloid polyneuropathy (FAP) and liver dysfunction. A two-stage surgical plan was designed, and one domino graft was implanted during each stage. During the first stage, an auxiliary domino liver transplantation was conducted using a domino graft from a 4-year-old female child with Wil...
Domino logic circuits have faster operating speed than commonly used static logic ones, because they have lower input capacitances and no contention during transition. However, Domino logic circuits have more power dissipation than static logic ones, since their clock tress with high switch activity dissipates large energy. A low-power superthreshold computing scheme is proposed to reduce power...
Introduction: In process industries, some of the primary events may result in secondary events in an industrial unit called the domino effect. Since refinery storage tanks are always at risk of fire and explosion, quantitative risk assessment is important in determining the severity and outcome of an accident, taking into account the effects of dominoes on the main industry, neighbors, and soci...
Risk assessment is relevant in any workplace, however there a degree of unpredictability when dealing with flammable or hazardous materials so that detection fire accidents by itself may not be enough. An example this the impingement jet fires, where heat fluxes flame could reach nearby equipment and dramatically increase probability domino effect catastrophic results. Because this, characteriz...
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