نتایج جستجو برای: cell parameters

تعداد نتایج: 2212808  

2009
Alexandre Jollivet

This paper concerns the reconstruction of the absorption and scattering parameters in a time-dependent linear transport equation from knowledge of angularly averaged measurements performed at the boundary of a domain of interest. We show that the absorption coefficient and the spatial component of the scattering coefficient are uniquely determined by such measurements. We obtain stability resul...

2005
Gary Prézeau Andriy Kurylov

0031-9007= In this Letter, we show that upper limits on the neutrino mass translate into upper limits on the class of neutrino-matter interactions that can generate loop corrections to the neutrino mass matrix. We apply our results to and decays and derive model-independent limits on six of the ten parameters used to parametrize contributions to decay that do not belong to the standard model. T...

2002
Luc Demortier

Luc Demortier The Rockefeller University, New York, NY 10021, U.S.A. Abstract The standard Bayesian treatment of systematic uncertainties is to integrate out the corresponding nuisance parameters from the joint posterior density for all parameters. We apply this formalism to measurements in which the data cannot distinguish between nuisance parameters and parameters of interest, and show that i...

2015
Maria Laura Ferster Sinziana Mazilu Gerhard Tröster

Freezing of gait (FoG) is a motor impairment among patients with advanced Parkinson’s disease which is associated with falls and has a negative impact on a patient’s quality of life. Wearable systems have been developed to detect FoG and to help patients resume walking by means of rhythmical cueing. A step further is to predict the FoG and start cueing a few seconds before it happens, which mig...

Ameneh Sazgarnia, Azam Abbasi Fatemeh Homaei Shandiz Habibollah Esmaily Majid Valizadeh Mohammad Hossein Bahreyni Toossi

Introduction: Electroporation is a practical technique used to transport the molecules across the cell membrane. The utilization of fluorescent molecules is the method widely used to evaluate the electropermeability of cell membrane as a result of pulse application. It is also possible to use mathematical methods to predict the changes caused in cell electropermeability as a result of the chang...

2004
Marilyn E. Noz

Wigner rotations and Iwasawa decompositions are manifestations of the internal space-time symmetries of massive and massless particles, respectively. It is shown to be possible to produce combinations of optical filters which exhibit transformations corresponding to Wigner rotations and Iwasawa decompositions. This is possible because the combined effects of rotation, phase-shift, and attenuati...

A 75 days feeding trial was conducted to evaluate the influence of dietary supplementation of multi-strain (Bacillus sp.) probiotic (22×109 CFU/g) on growth and hematological parameters of Barbonymus gonionotus. A total 270 uniformed size (length 2.40±0.16 cm and weight 4.25±0.01g) fishes were equally and randomly distributed in nine (three treatments each with three replication) glass aquaria ...

Journal: :بینا 0
محسن رحمتی کامل m rahmati-kamel shahid beheshti university of medical sciencesمرکز چشم پزشکی هلال ایران علیرضا برادران رفیعی ar baradaran-rafii shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی ویکتوریا کیاوش v kiavash shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی بهرام عین الهی b einollahi shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی فرید کریمیان f karimian shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی سیدعلی میردهقان a mirdehghan shahid beheshti university of medical sciencesدانشگاه علوم پزشکی شهید بهشتی محمد زارع

purpose: to evaluate the effect of vacuum and flow rate on endothelial cell loss after high versus low vacuum phacoemulsification. methods: this randomized clinical trial was performed on 60 eyes of 60 patients with moderate lens opacity (nuclear sclerosis 3+). all surgeries were performed by one experienced surgeon using stop and chop technique with sovereign white star machine (amo). patients...

Journal: :iranian journal of biotechnology 2007
marjan varedi kolaei ramin karimzadeh seyed abbas shojaosadati jafar towfighi

in this work, mathematical modeling of microbial(trichosporon sp.) biomass production in a stirred tankbioreactor and in an external airlift bioreactor has beeninvestigated. a model based on a tanks-in-seriesmodel without back-flow has been used to simulate theproduction of single cell protein in the external airliftbioreactor under an unsteady condition and withoutoxygen limitation, utilizing ...

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