نتایج جستجو برای: Biokinetic coefficient

تعداد نتایج: 169689  

Journal: :international journal of environmental research 0
m.m. rahman university of western sydney, school of engineering, locked bag 1797, penrith south dc, nsw 1797, australia m.h. al-malack king fahd university of petroleum & minerals, box 1150, dhahran 31261, saudi arabia

a lab-scale cross flow membrane bioreactor (cf-mbr) was operated to determine the biokinetic coefficients under mlss concentrations of 5000 and 3000 mg/l. the investigation showed that the yield (y), the endogenous decay coefficient (kd), the maximum specific growth rate (μm) and the saturation constant (ks) were 0.276 mg/mg, 0.07 /day, 0.653 /day, and 396.62 mg cod/l respectively for mlss 5000...

Journal: :international journal of environmental research 2011
m.m. rahman m.h. al-malack

a lab-scale cross flow membrane bioreactor (cf-mbr) was operated to determine the biokinetic coefficients under mlss concentrations of 5000 and 3000 mg/l. the investigation showed that the yield (y), the endogenous decay coefficient (kd), the maximum specific growth rate (μm) and the saturation constant (ks) were 0.276 mg/mg, 0.07 /day, 0.653 /day, and 396.62 mg cod/l respectively for mlss 500...

Journal: :Environmental Modelling and Software 2014
Sandeep Sathyamoorthy Richard M. Vogel Steven C. Chapra C. Andrew Ramsburg

The influence of uncertainties in biokinetic parameters for ammonia and nitrite oxidizing bacteria on the performance of a two-step nitrification model was evaluated using the Generalized Uncertainty Estimation (GLUE) technique. The predictive capability of behavioral simulations generated using GLUE was assessed utilizing data from experiments comparing nitrification in the presence and absenc...

2017
Da-Ming Yeh Ching-Yuan Chen Jing-Fa Tang Lung-Kwang Pan

This study examined the feasibility of quantitatively evaluating multiple biokinetic models and established the validity of the different compartment models using an assembled water phantom. Most commercialized phantoms are made to survey the imaging system since this is essential to increase the diagnostic accuracy for quality assurance. In contrast, few customized phantoms are specifically ma...

Journal: :Electronics 2021

Electrically superior triboelectric nanogenerators (TENG) using 3D fabric and PDMS show great application potential for biokinetic energy harvesting multifunctional self-power devices. In this study, TENG with fabric-PDMS-fabric structure was produced various fabrics PDMS. The peak-to-peak output voltage of compared. changes due to vertical fibers. Also, the coefficient surface friction between...

ژورنال: سنجش و ایمنی پرتو 2020

The purpose of this study is to estimate internal dose to human body due to administration of I-131 using new biokinetic model of iodine. In this respect, we used international commission on radiological protection (ICRP) adult reference phantoms. Monte Carlo calculations were performed using MCNPX 2.6 code. The average dose to target organ per disintegration inside source organ, namely S facto...

2017
Luz G. Cornejo-Aragón Clara L. Santos-Cuevas Blanca E. Ocampo-García Isaac Chairez-Oria Lorenza Diaz-Nieto Janice García-Quiroz

The aim of this study was to develop a semi automatic image processing algorithm (AIPA) based on the simultaneous information provided by X-ray and radioisotopic images to determine the biokinetic models of Tc-99m radiopharmaceuticals from quantification of image radiation activity in murine models. These radioisotopic images were obtained by a CCD (charge couple device) camera coupled to an ul...

2014
Soo-Jin Choi Jin-Ho Choy

Biokinetic studies of zinc oxide (ZnO) nanoparticles involve systematic and quantitative analyses of absorption, distribution, metabolism, and excretion in plasma and tissues of whole animals after exposure. A full understanding of the biokinetics provides basic information about nanoparticle entry into systemic circulation, target organs of accumulation and toxicity, and elimination time, whic...

Journal: :Health physics 1991
R L Kathren J F McInroy

The systemic deposition of (239 + 240)Pu was determined by postmortem radiochemical analysis of the tissues from five whole-body donors to the United States Transuranium Registry (USTR). All were males with intakes typically occurring many years prior to death. The postmortem radiochemical results were compared with estimates of systemic deposition made with 13 different biokinetic models using...

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