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139.284  Articles
1 of 13.929 pages  |  10  records  |  more records»
We test whether stating the possibility of winning an unspecified prize (announcing undefined lottery prizes, AULP, henceforth) in the subject line of a survey invitation email increases contact and response rates. As adherence to Muslim cultural norms an... see more

The study objective. Substantiation and implementation of the heart rate monitoring tool, developed on the basis of information systems for the rapid registration of cardiac rhythm during exercise. Material and Methods. The study was implemented at t... see more

Parameters of heart rate variability (HRV) were studied in 112 patients with arterial hypertension (AH) aged 58.5 ± 9 years (60 patients with difficult-to-control arterial hypertension (DTCAH) and 52 patients with controlled arterial hypertension (CAH)). ... see more

60 patients with difficult-to-control arterial hypertension (DTCAH) were examined (average age is 59.0 ± 9.4 years). The changes in blood pressure (BP) and parameters of heart rate variability (HRV) during biofeedback sessions (BFB) in loop of paced breat... see more

The frequency of administration of combinations of antihypertensive drugs and its changes at different stages of observation was studied in 60 patients with difficult-to-control arterial hypertension (DTCAH) (32 men and 28 women) aged 59.0 ± 9.4. All... see more

Prognostic significance of orthostatic reactions of ventricular rate (OR VR) among other clinical and hemo­dynamic characteristics in patients with permanent atrial fibrillation (AF below) in 123 patients (62 men and 61 women) aged 55 ± 15 years with a pr... see more

The advection-diffusion equation is used for describing the dispersion of pollutants in a limited area. Methods for preventing dangerous levels of pollutants in ecologically important zones are suggested. The methods are based on the control of emission r... see more

This paper considers optimal rate control and routing schemes for multipath networks which can be formulated as multipath network utility maximization problems. In these schemes, maximizing the aggregated user utility over the network with multipath route... see more

The traditional congestion control mechanism TCP, performs very poorly in MANETs Because there are a number of new challenges such as wireless link error, medium contention and frequent route failures in this kind of networks. In this paper, we propose a ... see more

1 of 13.929 pages  |  10  records  |  more records»