نتایج جستجو برای: particularly hydrodynamic parameters including permeability and storage troch et al

تعداد نتایج: 17180931  

Baha-Eldin Khaledi,

In this paper we specify the conditions on the parameters of pairs of gOS’s under which the corresponding generalized order statistics are ordered according to usual stochastic ordering, hazard rate ordering, likelihood ratio ordering and dispersive ordering. We consider this problem in one-sample as well as two-sample problems. We show that some of the results obtained by Franco et al. ...

2011
Stephen P. Santoro Nancy L. Maas

delivery of cancer chemotherapeu-tic agents depends on the permeability of the tumor vasculature. The natural hyperper-meability of tumor vessels increases absorption of macromolecular drugs into tumor tissue, suggesting that further enhancement of this process could be beneficial to the treatment of cancer (Baban and Seymour, 1998). Numerous studies have demonstrated that collagen, the most ab...

Journal: :محیط شناسی 0
امین هوشمندفر دانشجوی کارشناسی ارشد مهندسی عمران- محیط زیست، دانشگاه تربیت مدرس بیتا آیتی دانشیار گروه مهندسی محیط زیست، دانشکدۀ مهندسی عمران و محیط زیست، دانشگاه تربیت مدرس، تهران احمد خدادادی دانشیار بخش معدن، دانشکدۀ فنی و مهندسی، دانشگاه تربیت مدرس، تهران

1.    introduction textile industry has a significant impact on the environment because large amount of water and chemicals is used in various processes of this industry such as sizing, scouring, washing, bleaching, dyeing, printing and finishing that leads to production of hazardous wastewater. this wastewater contains dying substances which remain visible even at low concentrations. water cla...

Journal: :Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2016
Kevin T Nead Greg Gaskin Cariad Chester Samuel Swisher-McClure Joel T Dudley Nicholas J Leeper Nigam H Shah

Regarding our article on the association of androgen deprivation therapy (ADT) with increased Alzheimer’s disease risk, Bowen et al, Froehner and Wirth, Leow et al, and Brady et al highlight a number of significant considerations that will prove important in the design of future studies that investigate the association of ADT and Alzheimer’s disease. We agree with Bowen et al and Leow et al tha...

2011
Jennifer Palguta Colin F. Williams Steven E. Ingebritsen Stephen H. Hickman Eric Sonnenthal

Interactions between hydrothermal fluids and rock alter mineralogy, leading to the formation of secondary minerals and potentially significant physical and chemical property changes. Reactive transport simulations are essential for evaluating the coupled processes controlling the geochemical, thermal and hydrological evolution of geothermal systems. The objective of this preliminary investigati...

Journal: :journal of agricultural science and technology 2010
j. m. v. samani a. soleimani

detention rockfill dams are an easy and common tool for flood control. due to their coarse pores, the flow in void spaces is turbulent and non-darcy. different relationships introduced by researchers are used to define the hydraulics of the flow within the rockfill materials. the present research is aimed at gaining a better understanding of the differ-ence among these relationships and the sou...

2008
Hansheng Wang Bo Li Chenlei Leng

Contemporary statistical research frequently deals with problems involving a diverging number of parameters. For those problems, various shrinkage methods (e.g., LASSO, SCAD, etc) are found particularly useful for the purpose of variable selection (Fan and Peng, 2004; Huang et al., 2007b). Nevertheless, the desirable performances of those shrinkage methods heavily hinge on an appropriate select...

Journal: :Journal of the International Neuropsychological Society : JINS 2005
Kathrin Finke Peter Bublak Joseph Krummenacher Søren Kyllingsbaek Hermann J Muller Werner X Schneider

The present study investigated the usability of whole and partial report of briefly displayed letter arrays as a diagnostic tool for the assessment of attentional functions. The tool is based on Bundesen's (1990, 1998, 2002; Bundesen et al., 2005) theory of visual attention (TVA), which assumes four separable attentional components: processing speed, working memory storage capacity, spatial dis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم 1372

a simple, sensitive and selective method for solvent extraction and spectrophotemetric determination of lanthanum (ii) europium (iii), and cerium (iii) is described , the rare earth metals are extracted into chloroform solution of n-phenylbenzohydroxamic acid (pbha) at ph 9-10 various parameters are studied to optimize the extraction conditions. the molar absorptivity is found to increase from ...

Journal: :Biochemical Society transactions 1983
K F Tipton G T Henehan J M McCrodden

Unlike many pharmacologically active compounds that act by interfering more-or-less specifically with a single enzyme, receptor or transport system, the effects of ethanol may be less specific, involving interference with many different cellular processes. These. diffuse. effects have hindered attempts to understand the biochemical bases of ethanol-induced tolerance, dependence and tissue damag...

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