نتایج جستجو برای: bf
تعداد نتایج: 6952 فیلتر نتایج به سال:
Yang, H. T., and Y. Feng. bFGF increases collateral blood flow in aged rats with femoral artery ligation. Am. J. Physiol. Heart Circ. Physiol. 278: H85–H93, 2000.—We tested the hypothesis that aged animals are as responsive as the young adult animals in expanding collateral vasculature under a similar treatment of basic fibroblast growth factor (bFGF). Two age groups of male Fischer 344 rats (1...
The hand-tool coupling force in the operation of a vibrating tool is generally composed of applied force (AF) and biodynamic force (BF). There is wide interest in quantifying the coupling force. The objectives of this study are to develop an effective method for estimating the BF and to investigate its fundamental characteristics. Using the biodynamic response of the hand-arm system, such as ap...
In the awake big brown bat, 30 min auditory fear conditioning elicits conditioned heart rate decrease and long-term best frequency (BF) shifts of cortical auditory neurons toward the frequency of the conditioned tone; 15 min conditioning elicits subthreshold cortical BF shifts that can be augmented by acetylcholine. The fear conditioning causes stress and an increase in the cortical serotonin (...
In recent years, motivated by computational purposes, the singular value and spectral features of symmetrization Toeplitz matrices generated a Lebesgue integrable function have been studied. Indeed, under assumptions that $f$ belongs to $L^1([-\pi,\pi])$ it has real Fourier coefficients, distribution matrix-sequence $\{Y_nT_n[f]\}_n$ identified, where $n$ is matrix size, $Y_n$ anti-identity mat...
Wakefulness, along with fast cortical rhythms and associated cognition, depend on the basal forebrain (BF). BF cholinergic cell loss in dementia and the sedative effect of anti-cholinergic drugs have long implicated these neurons as important for cognition and wakefulness. The BF also contains intermingled inhibitory GABAergic and excitatory glutamatergic cell groups whose exact neurobiological...
Embedded Web Server for the AVR Butterfly Enabling Immediate Access to Wireless Sensor Node Readings
The “AVR Butterfly” (BF) is not just a microcontroller, but rather an autonomous embedded system kit including several sensors. Our main objective was first to provide Internet connectivity to the BF and then to evaluate its further capabilities as a sensor network node. To this end, we equipped the BF with a TCP/IP stack and a Zigbee transceiver. As a case study, we constructed a node and a ga...
To increase our understanding of the genetic basis of adiposity and its links to cardiometabolic disease risk, we conducted a genome-wide association meta-analysis of body fat percentage (BF%) in up to 100,716 individuals. Twelve loci reached genome-wide significance (P<5 × 10(-8)), of which eight were previously associated with increased overall adiposity (BMI, BF%) and four (in or near COBLL1...
This paper presents a new low-power butterfly (BF) unit for single-path delay feedback FFT architectures exploited in multipath FFT processors. In the proposed BF unit, the power consumption is reduced by replacing multiplexors connected to the outputs of adders in a conventional BF unit with AND gates at the inputs of the adders, which is possible by modifying BF operation. In bypass mode by u...
In 1229 subjects, 521 males and 708 females, with a wide range in body mass index (BMI; 13.9-40.9 kg/m2), and an age range of 7-83 years, body composition was determined by densitometry and anthropometry. The relationship between densitometrically-determined body fat percentage (BF%) and BMI, taking age and sex (males = 1, females = 0) into account, was analysed. For children aged 15 years and ...
OBJECTIVE To predict the percent body fat (%BF) cutoff values corresponding to overweight and obesity recommended by the International Obesity Task Force (IOTF) in Korean children and to compare those values with the published cutoff values in Caucasian children. RESEARCH METHODS AND PROCEDURES The sample consisted of 1083 Korean children and adolescents (555 boys and 528 girls) aged 7-18 yea...
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