نتایج جستجو برای: submerged fixed

تعداد نتایج: 207639  

ژورنال: مجله دندانپزشکی 2009
سیادت, حکیمه, علی حسینی, مسعود, علی خاصی, مرضیه, پنج‌نوش, مهرداد,

Background and Aim: It is well recognized that implant treatment is common worldwide, but the approach to success is not predictable because of bone loss that occurs around the implants. Also there are many factors affecting crestal bone loss around the implants that one of them is the surgical protocol of implant installation. The purpose of this investigation was to evaluate the amount of cre...

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ژورنال: طلوع بهداشت یزد 2014
رحمانی, زهرا, غلامی, میترا, محمودی, نیاز محمد, کرمانی, مجید,

Introduction: Aerobic treatment processes with fixed growth has attracted attention of the engineers and designers of wastewater treatment due to the separation of organic materials in sewage and also to nitrification (conversion of ammonium to nitrate).The purpose of this study was to evaluate the performance of Submerged Biofilm Reactor to removal of organic matter (BOD and COD), turbidity an...

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2011
Paul A. Schnitman

This investigation was initiated to develop a method to provide patients with a fixed provisional prosthesis placed at the time of implant placement. Sixty-three standard 3.75-mm Nobel Biocare implants of varying lengths were placed into mandibular sites in 10 patients and followed for up to 10 years. Twenty-eight implants were immediately loaded at implant placement, providing support for fixe...

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Journal: :international journal of environmental research 2014
i. uad j. gonzalez-lopez g.a. silva-castro j.i. vílchez a. gonzalez-martinez

the precipitation of calcium carbonate by bacteria isolated from submerged fixed-film bioreactorused for the treatment of urban wastewater in both natural and artificial media was studied. however, carbonate precipitation was detected only when the bacteria grow in media added with calcium. precipitation took place rapidly, and crystal formation began 3 d after inoculation and the percentage of...

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ژورنال: علوم آب و خاک 2011
داود فرسادی زاده , , علی حسین زاده دلیر, , پریا شجاعی, ,

Submerged vanes are low aspect ratio flow-training structures mounted vertically on the river bed at an angle to the prevailing flow. The aim of application of vane is to generate a secondary circulation in the main flow, designed to modify the near-bed flow pattern and thus redistribute flow and sediment transport within the channel cross section. Collar is a flat sheet with low thickness fixe...

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2015
Sunyoung Choi In-Sung Yeo Sung-Hun Kim Jai-Bong Lee Chan Wook Cheong Jung-Suk Han

PURPOSE This case report discusses the effect of a root submergence technique on preserving the periodontal tissue at the pontic site of fixed dental prostheses in the maxillary anterior aesthetic zone. METHODS Teeth with less than ideal structural support for fixed retainer abutments were decoronated at the crestal bone level. After soft tissue closure, the final fixed dental prostheses were...

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2010
M. Shakerkhatibi H. Ganjidoust B. Ayati E. Fatehifar

Acrylonitrile is used as the main raw material for manufacturing acrylonitrile butadiene styrene resin. It is usually found as pollutant in the petrochemical wastewater. In this research an aerated submerged fixed-film reactor was developed to treat a synthetic acrylonitrile butadiene styrene unit wastewater containing acrylonitrile. Laboratory experiments were conducted using a bioreactor with...

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1998
Osamu Ueno

The amphibious leafless sedge Eleocharis vivipara develops C 4 -like traits as well as Kranz anatomy under terrestrial conditions, but it develops C 3 -like traits without Kranz anatomy under submerged conditions. When submerged plants are exposed to aerial conditions, they rapidly produce new photosynthetic tissues with C 4 -like traits. In this study, experiments were performed to determine w...

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Journal: :The Plant cell 1998
Ueno

The amphibious leafless sedge Eleocharis vivipara develops C4-like traits as well as Kranz anatomy under terrestrial conditions, but it develops C3-like traits without Kranz anatomy under submerged conditions. When submerged plants are exposed to aerial conditions, they rapidly produce new photosynthetic tissues with C4-like traits. In this study, experiments were performed to determine whether...

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Journal: :Water 2018

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نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید

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