نتایج جستجو برای: corrosivity index

تعداد نتایج: 396256  

Journal: :تحقیقات نظام سلامت 0
افشین ابراهیمی - استادیار، مرکز تحقیقات محیط زیست، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان بهرام کمره ئی مربی، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی لرستان، خرم آباد، ایران. قربان عسگری استادیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی همدان، همدان، ایران. عبدالمطلب صیدمحمدی استادیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی همدان، همدان، ایران قدرت اله روشنائی استادیار، گروه آمار زیستی دانشکده بهداشت دانشگاه علوم پزشکی همدان، همدان، ایران

background: corrosivity is one of the factors affecting the water quality. not controlling the chemical quality of water in the distribution network causes corrosion, sedimentation and economical and health damages. the aim of this study was to determine the drinking water corrosivity and sediment of kuhdasht, iran by using the corrosivity index. methods: in this study, 12 predetermined areas l...

2010

Describe various geographical environments in terms of their atmospheric corrosivity Summarize the main factors causing atmospheric corrosion Explain how these factors are measured Examine how the safety introduced by the massive usage of deicing salts has modified the corrosivity of road environments Design a testing program to establish the corrosivity map of a given site or even a country re...

Journal: :Japan journal of water pollution research 1987

2018
Omid Oudbashi

Characterization of soil corrosivity in archaeological sites is an important subject to understand the conservation conditions of archaeological bronze collections and helps conservators to prepare a conservation strategy for long term preservation of bronze objects. In this paper, a research approach is established to identify soil corrosivity in two archaeological sites and to find correlatio...

Journal: :ALTEX 1999
Fentem

There have been several highly significant achievements in the area of alternatives for skin corrosivity testing in the last three years, most notably: (a) the validation, and subsequent endorsement, of two replacement alternative tests for skin corrosivity (the rat skin transcutaneous electrical resistance [TER] and EPISKINtrade mark human skin model assays) by the European Centre for the Vali...

Journal: :CORROSION ENGINEERING DIGEST 1960

2017
Lydia Lawand Oleg Shiryayev Khalil Al Handawi Nader Vahdati Paul Rostron

External corrosion was identified as one of the main causes of pipeline failures worldwide. A solution that addresses the issue of detecting and quantifying corrosivity of environment for application to existing exposed pipelines has been developed. It consists of a sensing array made of an assembly of thin strips of pipeline steel and a circuit that provides a visual sensor reading to the oper...

2016

Background: Determination of water corrosion indexes is one of the affecting approaches on drinking water management. Corrosion can causes economical problems, reduce the useful life of water facilities, and health damages to consumers. The aim of this study was to survey of chemical quality and determination of the corrosion potential of the water distribution system in Bushehr city. Materials...

2004
Homayoun Najjaran Rehan Sadiq Balvant Rajani

Several factors may contribute to the structural failure of cast/ductile iron water mains, the most important of which is considered to be corrosion. The ANSI/AWWA C105/A21.5–99 10-point scoring (10-P) method is the most common method used to predict soil corrosivity potential, which is based on soil properties. For a given soil sample, each soil property is evaluated for its contribution towar...

Journal: :CORROSION ENGINEERING DIGEST 1965

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