نتایج جستجو برای: مدل ldf

تعداد نتایج: 120467  

2015
Zhenzhen Xu Yongxing Zou Xiangjie Kong

To our knowledge, this paper investigates the first application of meta-heuristic algorithms to tackle the parallel machines scheduling problem with weighted late work criterion and common due date ([Formula: see text]). Late work criterion is one of the performance measures of scheduling problems which considers the length of late parts of particular jobs when evaluating the quality of schedul...

2009
Ingemar Fredriksson

vii-Abstract Laser Doppler flowmetry (LDF) is virtually the only non-invasive technique, except for other laser speckle based techniques, that enables estimation of the microcirculatory blood flow. The technique was introduced into the field of biomedical engineering in the 1970s, and a rapid evolvement followed during the 1980s with fiber based systems and improved signal analysis. The first i...

Journal: :Physics in medicine and biology 2012
Anne Humeau-Heurtier Guillaume Mahé François Chapeau-Blondeau David Rousseau Pierre Abraham

Time irreversibility can be qualitatively defined as the degree of a signal for temporal asymmetry. Recently, a time irreversibility characterization method based on entropies of positive and negative increments has been proposed for experimental signals and applied to heart rate variability (HRV) data (central cardiovascular system (CVS)). The results led to interesting information as a time a...

Journal: :Journal of biomedical photonics & engineering 2021

The article presents the results of studies melanin effect on recorded signals in laser Doppler flowmetry (LDF) and tissue reflectance oximetry (TO). By investigating properties microvascular blood flow skin oxygenation signals, we have gained new knowledge about race-related differences formation these signals. content intensity LDF TO methods was evaluated, limitations use representatives dif...

Earthquake is one of the most destructive natural phenomena which has human and financial losses. The existence of an efficient prediction system and early warning system will be useful for reducing effects of destroying earthquake. In this research, the soil temperature time-series data, obtained from three meteorological station, using three filters (Fourier, Wavelet and Logarithmic Different...

2016
Shabnam Salimi Joshua P. Lewis Laura M. Yerges‐Armstrong Braxton D. Mitchell Faisal Saeed Jeffry R. O'Connell James A. Perry Kathleen A. Ryan Alan R. Shuldiner Afshin Parsa

BACKGROUND Platelet activation can lead to enhanced oxidative stress, inflammatory response, and endothelial dysfunction. To quantify the effects of platelet inhibition on endothelial function, we assessed platelet activity of healthy persons before and after clopidogrel administration and evaluated its effects on endothelial function. We hypothesized that clopidogrel, by attenuating platelet a...

2013
Mette Kristensen Knud Erik Bach Knudsen Henry Jørgensen David Oomah Susanne Bügel Søren Toubro Inge Tetens Arne Astrup

Dietary fibers (DF) may affect energy balance, an effect often ascribed to the viscous nature of some water soluble DF, which affect luminal viscosity and thus multiple physiological processes. We have tested the hypothesis that viscous linseed DF reduce apparent nutrient digestibility, and limit weight gain, in a randomized feeding trial where 60 male, growing, Wistar rats, with an initial wei...

Journal: :The American journal of physiology 1998
Larisa V Kuznetsova Nicole Tomasek Gisli H Sigurdsson Andrej Banic Dominique Erni Anthony M Wheatley

Although the laser-Doppler flowmetry (LDF) signal from skeletal muscle has been shown to provide a good measure of blood flow under some conditions, its behavior during administration of vasoactive substances has never been addressed. The aims of this study were to compare 1) changes in LDF signal with those in total muscle blood flow measured with radioactive microspheres after ganglionic bloc...

Journal: :Cancer research 1989
J Kalmus P Okunieff P Vaupel

The effects of i.p. versus i.v. glucose administration on laser Doppler flow (LDF) were studied in peripheral tissue areas of murine FSaII tumors implanted s.c. in the hind foot dorsum and in normal skin of conscious C3Hf/Sed mice. LDF was monitored prior to and continuously for 90 min following the administration of glucose, galactose, or mannitol at doses of 5 or 10 mg/g. Results showed that ...

2005
D. Barnhill

The Pierre Auger Observatory [1] is being used to study cosmic rays with energies larger than 10 eV with unprecedented precision and statistics. An essential quantity that must be deduced from data is the lateral distribution function (LDF) that describes the decreasing of the signals in the watertanks as a function of distance. Knowledge of the LDF is important for the reconstruction of the sh...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید