نتایج جستجو برای: linear voltage regulators lvr
تعداد نتایج: 631153 فیلتر نتایج به سال:
PURPOSE To compare the efficacy of behavior activation (BA) + low vision rehabilitation (LVR) with supportive therapy (ST) + LVR to prevent depressive disorders in patients with age-related macular degeneration (AMD). DESIGN Single-masked, attention-controlled, randomized, clinical trial with outcome assessment at 4 months. PARTICIPANTS Patients with AMD and subsyndromal depressive symptoms...
IRCCS Fondazione Stella Maris and Fondazione Imago 7, Calambrone, Pisa, Italy We present a feasibility study that has been carried out to determine the best power regulation strategy for the PET front-end electronics of the trimodal PET/MRI/EEG TRIMAGE scanner. Conventional power regulation strategies cannot be applied to PET/MRI because standard switching regulators stop working in presence of...
Silvicultural restoration measures have been implemented in the northern hardwoods forests of southern Quebec, Canada, but their financial applicability is often hampered by the depleted state of the resource. To help identify sites most suited for the production of high quality timber, where the potential return on silvicultural investments should be the highest, this study assessed the impact...
Linear-assisted DC/DC converters (or linearswitching hybrid DC/DC converters) consist of a voltage linear regulator (classic NPN or nMOS topologies and LDO) connected in parallel with a switching DC/DC converter. In order to control these hybrid structures, different strategies exist, allowing to fix the switching frequency as a function of some parameters of the linear regulator. This article ...
BACKGROUND AND OBJECTIVES Left ventricular (LV) remodeling (LVR) after an acute myocardial infarction (AMI) has important clinical implications. We have investigated the prognostic relevance of ventricular systolic dyssnchrony as an indicator of LVR after an AMI. SUBJECTS AND METHODS We enrolled 92 patients (males, 72.8%; mean age, 61.0+/-13.0 years) with an AMI who underwent successful percu...
Continuous measurement of leg blood flow (LBF) using Doppler ultrasound with simultaneous noninvasive mean arterial blood pressure (MAP) measurement permits beat-to-beat estimates of leg vascular resistance (LVR) in humans. We tested the hypothesis that the beat-to-beat fluctuations in LVR and the dynamic relationship between MAP and LVR are modulated by the activation of muscle metaboreflex. T...
Polarized epithelial non-human (canine) cell lines stably transfected with human or murine complementary DNA (cDNA) encoding for various efflux transporters (P-gp/MDR1, MRP1, MRP2, and Bcrp1) were used to study transepithelial transport of Lopinavir (LVR) and compare results with the MDCKII-wild type cells. These transmembrane proteins cause multidrug resistance by decreasing the total intracel...
BACKGROUND Left ventricle remodeling (LVR) is a relatively common and unfavourable event occurring after acute myocardial infarction. A link exists between inflammation and LVR. Neopterin, a marker of inflammation and macrophage activation, is a predictor of left ventricular dysfunction in patients with coronary artery disease. We therefore sought to assess whether both neopterin and brain natr...
We compared the nucleus accumbens (NAc) transcriptomes of generation 8 (G8), 34-day-old rats selectively bred for low (LVR) versus high voluntary running (HVR) behaviours in rats that never ran (LVR(non-run) and HVR(non-run)), as well as in rats after 6 days of voluntary wheel running (LVR(run) and HVR(run)). In addition, the NAc transcriptome of wild-type Wistar rats was compared. The purpose ...
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