نتایج جستجو برای: biokinetic coefficient

تعداد نتایج: 169689  

2000
E. I. Tolstykh M. O. Degteva V. P. Kozheurov V. S. Repin N. Yu. Novak D. Noßke

INTRODUCTION The ICRP models used in radiation protection to estimate doses resulting from internal irradiation are based on biokinetic models for different radionuclides. As a rule, a biokinetic model is based on some combination of observations of the behavior of the element in human subjects, of the same element in other mammalian species, chemically similar elements in human subjects and in...

H.M.H. Zakaly, M. Zhukovsky, M.Y.A. Mostafa,

Background: Monoclonal antibodies have confirmed their merit as biotherapeutics across a wide spectrum of diseases, including cancer, heart disease, infection, and immune disorders. Materials and Methods: The dynamics of 89Zr-labelled monoclonal antibodies (MAb) after injection into the human body are modelled. This modified biokinetic model can be used for dose assessment not only for 89Zr-lab...

Journal: :Environmental Health Perspectives 1998

Journal: :Journal of STEPS for humanities and social sciences 2022

Recent years have highlighted a special indicator of the importance physical education, as it is clear in advanced countries' high levels sports achievement thanks to scientific research and targeted studies that institutions contributed seriously effectively order raise level various general, including sports. Gymnastics, particular technical gymnastics for women, occupy an position among type...

Ahmad Reza Yari, Ali Naghizadeh, Elham Derakhshani,

Background & Aims of the Study: In order to design membrane bioreactors (MBR) properly, it is essential to comprehend the behavior of microorganisms in such wastewater treatment processes. Materials & Methods: In this study, a lab-scale MBR process was operated to determine the biokinetic coefficients of the MBR system under different MLSS concentrations of 6800, 7000, 74...

Journal: :Environmental science & technology 2011
Sudeep C Popat Marc A Deshusses

Anaerobic bioreactors containing Dehalococcoides spp. can be effective for the treatment of trichloroethene (TCE) contamination. However, reductive dehalogenation of TCE often results in partial conversion to harmless ethene, and significant production of undesired cis-1,2-dichloroethene (cis-DCE) and vinyl chloride (VC) is frequently observed. Here, a detailed modeling study was conducted focu...

Journal: :International journal of chemical and process engineering research 2022

This work was aimed at identifying microbials and determining the biokinetic parameters for bio-decontamination of oilfield produced water. An extant physical treatment unit water re-engineered retrofit with a discontinuous aerobic bioreactor (Bio-Unit) system. The Bio-Unit operated in fill-and-draw sequence rates total organic carbon (TOC) removal biomass growth were monitored. isolated microb...

2014
Alireza Chackoshian Khorasani Mansour Mashreghi Soheila Yaghmaei

Optimization based on appropriate parameters can be applied to improve a process. Mazut degradation as a critical issue in environment requires optimization to be efficiently done. To provide biodegradation conditions, experiments were designed on the least interactions among levels of parameters consisting of pH, Tween 80, glucose, phosphorous source, nitrogen source, and time. Kinetic constan...

Journal: :Environmental Health Perspectives 1998
P Mushak

This paper examines the uses and limits of empirical data in evaluating measurement and modeling approaches to human lead exposure. Empirical data from experiment or observation or both have been used in studies of lead exposure. For example, experimental studies have elucidated and quantified physiologic or biokinetic parameters of lead exposure under controlled conditions. Observation, i.e., ...

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