نتایج جستجو برای: backwash effects

تعداد نتایج: 1544431  

A Neysi M Zadeh Hendijani, S.N. Alavi Bakhtiarvand

In this study, the use of backwash, extracted from city waste from Tehran's Kahrizakareawasinvestigated in agricultural applications as well as in eco system applications. The purpose of thisresearch was to definethe quality of qualitative and quantitative parameters to measure the output ofleachate treatment plant Arad Kooh(Kahrizak Tehran) in order to reuse it for agricultural use anddischarg...

2009
O. Caliskaner

Several innovative filtration technologies have been developed in the last two decades to decrease the backwash requirements, to increase the water production efficiency, and to improve the operational and design conditions. The Compressible Medium Filter (CMF) also known as the “Fuzzy Filter” involves the use of a synthetic compressible fiber (polyvaniladene) porous material as the filtering m...

Journal: :The Biological bulletin 1995
O Ellers

The coquina clam, Donax variabilis, rides flow from waves, migrating shoreward during rising tides and seaward during falling tides. This method of locomotion, swash-riding, is controlled not only behaviorally but also morphologically. The shape of this clam causes it to orient passively; a clam rotates in flow, usually in backwash, until its anterior end is upstream. Rotation is about a vertic...

Journal: :JEMSI (Jurnal Ekonomi, Manajemen, dan Akuntansi) 2023

Dinamika ekonomi di suatu daerah dapat mempengaruhi tetangganya melalui adanya efek limpahan (Spillover Effect) yang merupakan dampak muncul karena hubungan ketergantungan. Dampak tersebut bisa berupa positif (Spread maupun negative (Backwash Effect). Dalam penelitian ini menggunakan analisis kuantitatif dan data logaritma Produk Domestik Regional Bruto Bakorwil V Jember dari tahun 2012- 2021 d...

Journal: :Journal of Economic Geography 2021

Abstract We study the effects of Jamuna Bridge in Bangladesh that reduced average trade costs by 50% and connected 26 million people road to capital city. use a difference-in-difference design where isolated Padma hinterland constitutes comparison. Balance tests for an array economic characteristics support parallel trends assumption. The bridge led revival with increased agricultural productiv...

Journal: :Environmental science & technology 2013
Ngai Yin Yip Menachem Elimelech

Pressure retarded osmosis (PRO) has the potential to produce clean, renewable energy from natural salinity gradients. However, membrane fouling can lead to diminished water flux productivity, thus reducing the extractable energy. This study investigates organic fouling and osmotic backwash cleaning in PRO and the resulting impact on projected power generation. Fabricated thin-film composite mem...

2017
Mikiya Takao Kazuhito Sasaki Keisuke Hata Tatsuo Iijima Fuyo Yoshimi Toshiaki Watanabe

Ulcerative colitis (UC) is a form of inflammatory bowel disease that typically involves the colorectum; it has been reported that a certain proportion of patients with UC also develop ileitis, leading to ileal perforation in very extreme cases. We report a 66-year-old male with UC who presented with ileal perforation eight days after proctocolectomy. Although this situation is very rare, differ...

Journal: :Revista Brasileira de Engenharia Agrícola e Ambiental 2016

ژورنال: طلوع بهداشت یزد 2016
جعفری منصوریان, حسین, غلامی ینگجه, صمد, مجیدی, غریب, یاری, احمد رضا,

Introduction: By appropriate method can be recycled more than 95 percent effluent backwashing the filter. This study aimed to examine the efficiency of the electrocoagulation process on turbidity and suspended solids removal from backwash effluent of rapid sand filter of water treatment plants No 1 in Karaj. Methods: This bench-scale experimental study was carried out on the samples of b...

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