نتایج جستجو برای: mbr

تعداد نتایج: 1149  

2005
S. D. Nelson D. W. Dickson H. A. Ajwa D. A. Sullivan

The most effective soil fumigant for the past 40 years for preplant chemical control of nematodes, weeds, and fungal pathogens in Florida vegetable production has been methyl bromide (MBr). Unfortunately, MBr has been implicated in depletion of stratospheric ozone, and is slated to be banned in the United States. A possible alternative replacement to MBr is metam sodium (MS, sodium N-methyl dit...

Journal: :Bioresource Technology 2021

A novel quorum quenching (QQ) strain, Acinetobacter guillouiae ST01, was isolated from a full-scale membrane bioreactor (MBR) and characterized for its QQ activities. Batch reactor studies at lab-scale showed that A. ST01 exhibited higher activity against acyl homoserine lactones (AHLs) with an oxo group compared to those without group. The organism then inoculated (10%) in MBR (Q-MBR) treating...

Journal: :Bioresource technology 2012
Luong N Nguyen Faisal I Hai Jinguo Kang William E Price Long D Nghiem

The removal of trace organics by a membrane bioreactor-granular activated carbon (MBR-GAC) integrated system were investigated. The results confirmed that MBR treatment can be effective for the removal of hydrophobic (log D>3.2) and readily biodegradable trace organics. The data also highlighted the limitation of MBR in removing hydrophilic and persistent compounds (e.g. carbamazepine, diclofen...

2017
Hironori Osamura Tomoaki Shiba Takashi Itokawa Tadashi Matsumoto Yuichi Hori

Purpose. To determine the correlations among the mean blur rate (MBR) in the optic nerve head (ONH) shown by laser speckle flowgraphy (LSFG), retinal arteriosclerosis, and the circulation time obtained by fluorescein angiography (FA). Method. We evaluated 118 patients and assessed their time of choroidal flush, arm-to-retina time, and early and late phases of retinal circulation time (RT: sec) ...

2017
Moustapha Harb Pei-Ying Hong

Although membrane bioreactor (MBR) systems provide better removal of pathogens compared to conventional activated sludge processes, they do not achieve total log removal. The present study examines two MBR systems treating municipal wastewater, one a full-scale MBR plant and the other a lab-scale anaerobic MBR. Both of these systems were operated using microfiltration (MF) polymeric membranes. ...

2008
Matthew Gibson

Modern automatic speech recognition (ASR) systems use statistical models of spoken language. These models are typically learned from corpora comprising many hours of transcribed speech. While a variety of machine learning approaches have been applied to this learning task, the optimal learning strategy is unknown. This thesis focusses upon a relatively recent and successful approach, the applic...

2012
Maneerat Tiranuntakul

This paper aims to broaden a better understanding of extracellular polymeric substances (EPS) and its impact on fouling in membrane bioreactor (MBR). Some fundamental knowledge about EPS and MBR fouling was covered in this paper in several aspects including definition of EPS, evaluation of EPS, influencing factors on EPS production and responsibility of EPS on MBR fouling mechanisms.

2016
Anna Heino Mika Gissler Ashna D. Hindori-Mohangoo Béatrice Blondel Kari Klungsøyr Ivan Verdenik Ewa Mierzejewska Petr Velebil Helga Sól Ólafsdóttir Alison Macfarlane Jennifer Zeitlin

OBJECTIVE Infants from multiple pregnancies have higher rates of preterm birth, stillbirth and neonatal death and differences in multiple birth rates (MBR) exist between countries. We aimed to describe differences in MBR in Europe and to investigate the impact of these differences on adverse perinatal outcomes at a population level. METHODS We used national aggregate birth data on multiple pr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی (نوشیروانی) بابل - دانشکده صنعتی 1392

چکیده از تخریب مواد زائد در خاکچال ها موجب پدیدار شدن مشکلات زیست محیطی که منجربه خروج گازهای گلخانه ای وهمچنین تولید سیالی به نام شیرابه که دارای مقادیر بالایی از یون آمونیم وترکیبات آلی می گردد میباشد.چنانچه شیرابه کنترل ویا تصیفه نگردد موجب انتشار آلاینده در سطح آبهای زیرزمینی می گردد.روش های بکارگرفته در تصفیه متنوع وبا عملکرد های خاص می باشند، باتوجه به اینکه هرروزه عناصر مختلفی در شیرابه...

2017
Jessica M Moore Raul Correa Susan M Rosenberg P J Hastings

Bacteria, yeast and human cancer cells possess mechanisms of mutagenesis upregulated by stress responses. Stress-inducible mutagenesis potentially accelerates adaptation, and may provide important models for mutagenesis that drives cancers, host pathogen interactions, antibiotic resistance and possibly much of evolution generally. In Escherichia coli repair of double-strand breaks (DSBs) become...

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