نتایج جستجو برای: bubble train flows btf

تعداد نتایج: 138433  

Journal: :Environmental challenges 2022

The Barapullah drain crosses through New Delhi, India, and transports millions of cubic meters stormwater, municipal sewage industrial to the Yamuna River. Seasonal variations ambiguous annual discharges cause 20-fold fluctuations in hydraulic flows, pollutants type concentration. Furthermore, Delhi is among most densely populated areas on planet, with limited surface area high water stress. Di...

Journal: :Journal of chromatographic science 2011
Aline Bergesch Barth Gabriela Bolfe de Oliveira Marcelo Donadel Malesuik Clésio Soldatelli Paim Nadia Maria Volpato

A stability-indicating liquid chromatography method for the determination of the antifungal agent butenafine hydrochloride (BTF) in a cream was developed and validated using the Plackett-Burman experimental design for robustness evaluation. Also, the drug photodegradation kinetics was determined. The analytical column was operated with acetonitrile, methanol and a solution of triethylamine 0.3%...

1999
Kristin J Dana Bram van Ginneken Shree K Nayar Jan J Koenderink

In this work, we investigate the visual appearance of real-world surfaces and the dependence of appearance on scale, viewing direction and illumination direction. At ne scale, surface variations cause local intensity variation or image texture. The appearance of this texture depends on both illumination and viewing direction and can be characterized by the BTF (bidirectional texture function). ...

Journal: :Fermentation 2023

Biodesulfurization using biotrickling filters (BTFs) under anoxic conditions is a cost-effective method for biogas clean-up. To improve the performance of BTFs, microbial consortia from anaerobic pond swine farm (SW), denitrification tuna factory (DN), and UASB concentrated latex industry (LW) were immobilized on BTFs. In this study, efficiency BTFs with reduction H2S gas combined nitrate conta...

Journal: :Bioresource technology 2012
P Balasubramanian Ligy Philip S Murty Bhallamudi

Biodegradation of chloroform along with a mixture of VOCs (methanol, ethanol, acetone and toluene) commonly found in pharmaceutical emissions using a biotrickling filter (BTF) was evaluated. The performance of the BTF was evaluated for both steady and transient conditions, for different inlet loading rates (ILR), empty bed residence time (EBRT) and inlet chloroform concentrations. Among the VOC...

2013
S Kubota T Hoashi K Kagisaki S Yazaki J Kobayashi I Shiraishi H Ichikawa

Results There was no mortality. Only one patient needed re-exploration for acute cardiac tamponade and four patients needed permanent pacemaker implantation. Eleven required blood transfusion (BTF) (5.6%). Cerebral infarction was encountered in one patient. The patient was divided into two groups according to the body weight less than (group A) or above (group B) 15 kg. In group A, surgery was ...

2014
Daisaku Yokoyama Masahiko Itoh Masashi Toyoda Yoshimitsu Tomita Satoshi Kawamura Masaru Kitsuregawa

We have constructed a framework for analyzing passenger behaviors in public transportation systems as understanding these variables is a key to improving the efficiency of public transportation. It uses a large-scale dataset of trip records created from smart card data to estimate passenger flows in a complex metro network. Its interactive flow visualization function enables various unusual phe...

Journal: :South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde 1996
M P Meyer C Haworth L McNeill

In a double-blind placebo-controlled study we showed a 3-fold decrease in blood transfusions (BTFs) given to preterm infants with anaemia of prematurity who received recombinant erythropoietin. However, only 50% of placebo recipients required a BTF. Data from the placebo group indicated that either mean daily weight gain < or = 7.5 g/day before study entry or haematocrit < or = 50% at birth was...

2005
Ryo Furukawa Masaharu Harada Yasuaki Nakamura Hiroshi Kawasaki

BTF is an effective representation for surfaces with mesoscopic geometries. However, with regard to materials with intricate and small-scaled geometries (e.g. furs, carpets or towels) many problems still remain, such as rendering complicated silhouettes, seamless tiling of textures, and sampling with sufficient frequencies. In this paper, we propose a method to synthesize and render objects, ap...

2015
Michael Meister Wolfgang Rauch

Modelling aerated flows is a complex application of computational fluid dynamics (CFD) since the interfaces between air and water change rapidly. In this work, the simulation of aerated flows with the smoothed particle hydrodynamics (SPH) method is investigated with a focus towards the application in engineering practice. To prove the accuracy of the method, the processes of air entrainment and...

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