نتایج جستجو برای: transitional devices
تعداد نتایج: 217322 فیلتر نتایج به سال:
Left ventricular assist devices (LVADs) have revolutionized management options for patients with advanced heart failure. It is not uncommon for patients treated with these devices to present with noncardiac surgical conditions including urologic problems. Maintaining perioperative hemodynamic and hematologic stability is a special challenge. The minimally invasive surgery provides well-document...
Motion ability is one of the most important human properties, including gait as a basis of human transitional movement. Gait, as a biometric for recognizing human identities, can be non-intrusively captured signals using wearable or portable smart devices. In this study gait patterns is collected using a wireless platform of two sensors located at chest and right ankle of the subjects. Then the...
Protocells are hypothesised as a transitional phase in the origin of life, prior to the evolution of fully functional prokaryotic cells [1, 2]. The work reported here is being done in the context of the PACE1 project, which is investigating the fabrication of artificial protocells de novo. We consider here the important open question of whether or how articifial protocells (if or when they are ...
The ability to accurately evaluate hydrokinetic turbine concepts at small-scale in experimental facilities is important for the development of new devices. Problems introduced by working at lab-scale include operation in a transitional Reynolds number regime and cross-sectional blockage. These factors are shown to influence performance characteristics of a helical cross-flow turbine tested over...
The prognosis of heart failure (HF) patients has significantly improved in the last 20 years, given the advent of therapies such as angiotensin-converting enzyme (ACE) inhibitors/angiotensin receptor blockers (ARBs), beta-blockers, and implantable cardioverter-defibrillator (ICD)/cardiac resynchronization therapy devices (CRT). In addition to these promising therapies, proper nursing-care is al...
BACKGROUND Great variability exists in the reported frequency of transitional vertebra in the general population as well as in symptomatic lumbar spine patients. OBJECTIVE To determine the occurrence rate of transitional vertebra in consecutive lumbar spine patients in our practice. DESIGN A prospective, observational study METHODS Plain films were viewed and the presence or absence of a ...
By adopting certain techniques in the design of your CMOS-based logic system, you can effect dramatic reductions in the transitional power these zero-quiescent-current devices consume when switching. This article describes ways to reduce the power consumption in logic designs using high-speed CMOS ICs. The MM74HC logic family has near-zero power dissipation when in the quiescent mode. Its only ...
A transitional zone in the dog renal artery was documented and its parameters were recorded: length and volumes of the luminal wall, tunica intima, tunica media, and tunica adventitia—as well as these parameters in the nontransitional zone of artery. Twelve normal adult male dogs were studied. Th e specimens were processed in the routine manner for light and electron microscopy. Aft er the dete...
Herein, we address transitional actions class as a class between actions. Transitional actions should be useful for producing short-term action predictions while an action is transitive. However, transitional action recognition is difficult because actions and transitional actions partially overlap each other. To deal with this issue, we propose a subtle motion descriptor (SMD) that identifies ...
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