نتایج جستجو برای: background activity

تعداد نتایج: 1879856  

Journal: :Indian journal of physiology and pharmacology 2008
R E Mendanha

Oscillometry records the high frequency electrical activity on the skin surface. These are induced by external ambient electromagnetic radiations, and generated internally by physiological processes. The existence of these surface A.C. oscillations is fundamental to the existence of an electromagnetic field around the human body. Unfiltered electrical and inductive signals are digitally recorde...

Journal: :Journal of radiation research 2009
Kazutaka Doi Shinji Tokonami Hidenori Yonehara Shinji Yoshinaga

In most countries, radon is the dominant contributor among natural radiation sources to the radiation exposure dose of the general population. Numerous case-control studies of residential radon and lung cancer have been conducted using passive radon (Rn-222) detectors. These studies showed that radon may increase lung cancer risk, but most of them did not show a significant risk. Recently it wa...

Journal: :Dose-response : a publication of International Hormesis Society 2012
John Hart Seunggeun Hyun

This ecological inquiry compares cancer mortality rates in the U.S. to the predictor of natural background radiation (via land elevation means) along with eight other predictors thought to be associated with cancer mortality. Age-adjusted cancer mortality in 2006 was compared to the predictors of mean land elevation, percent of smokers, educational attainment, percent of population without heal...

2017
N. D. van Foreest

We investigate a fluid buffer which is modulated by a stochastic background process, while the momentary behavior of the background process depends on the current buffer level in a continuous way. Loosely speaking the feedback is such that the background process behaves `as a continuous-time Markov chain' with generator Q(y) at times when the buffer level is y, where the entries of Q(y) are con...

2015
Ana Friães Catarina Pato José Melo-Cristino Mario Ramirez

To evaluate the importance of covRS and ropB mutations in invasive disease caused by Group A Streptococci (GAS), we determined the sequence of the covRS and ropB genes of 191 isolates from invasive infections and pharyngitis, comprising a diverse set of emm types and multilocus sequence types. The production of SpeB and the activity of NAD glycohydrolase (NADase) and streptolysin S (SLS) were e...

2016
Alok Kumar Singh Kushwaha Rajeev Srivastava Sebbe Serge Beucher

In this paper, a system framework has been presented to recognize a human activity recognition approach. The proposed framework is composed of three consecutive modules: (i) detecting and locating people by background subtraction, (ii) scale invariant contour-based pose features from silhouettes (iii) finally classifying activities of people by Multiclass Support vector machine (SVM) classifier...

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