نتایج جستجو برای: erosion risk

تعداد نتایج: 971175  

Journal: :European journal of oral sciences 1996
J M ten Cate T Imfeld

Although reports on dental erosion have always appeared in the dental literature, there is currently a growing interest among researchers and clinicians. Potential risk factors for dental erosion are changed lifestyle and eating patterns, with increased consumption of acidic foods and beverages. Various gastrointestinal and eating disorders expose the dentition to frequent contacts with very ac...

Journal: :مرتع و آبخیزداری 0
مرتضی دهقانی کارشناس ارشد آبخیزداری، ادارة کل منابع طبیعی و آبخیزداری خراسان جنوبی حسین قاسمی دانشجوی دکتری، دانشگاه مدیترانة شرقی، قبرس آرش ملکیان استادیار دانشگاه تهران

nowadays, watershed management practices are undertaken based on selective criteria and/or a specific purpose such as a decrease in flood risk, soil erosion and the like. in this respect,fuzzy logic has the ability to manage a wide range of options for decision making. this researchaimed to use the fuzzy logic theory to priorities watershed management practices consideringtime and budget constr...

2014
Andrius Zebrauskas Ruta Birskute Vita Maciulskiene

OBJECTIVES To determine prevalence of dental erosion among competitive swimmers in Kaunas, the second largest city in Lithuania. MATERIAL AND METHODS The study was designed as a cross-sectional survey, with a questionnaire and clinical examination protocols. The participants were 12 - 25 year-old swimmers regularly practicing in the swimming pools of Kaunas. Of the total of 132 participants t...

2015
J D R Thomson S A Qureshi

Cardiac erosion related to transcatheter atrial septal defect closure devices is of increasing concern. Erosion is reported to have occurred with most of currently available occluder devices. Perhaps due to the very large number of implants worldwide, the Amplatzer (St Jude) occluder is associated with the majority of cardiac erosion events reported in the literature. Best current estimates of ...

2007
P. R. Robichaud

The decision of where, when, and how to apply the most effective postfire erosion mitigation treatments requires land managers to assess the risk of damaging runoff and erosion events occurring after a fire. To meet this challenge, the Erosion Risk Management Tool (ERMiT) was developed. ERMiT is a web-based application that uses the Water Erosion Prediction Project (WEPP) technology to estimate...

2005
Julien Hugonnier Erwan Morellec Suresh Sundaresan

We develop a general equilibrium model of a production economy which has a risky production technology as well as a growth option to expand the scale of the productive sector of the economy. We show that when confronted with growth options, the representative consumer may sharply alter consumption rates to improve the likelihood of investment. This reduction in consumption is accompanied by an ...

2005
M. Greco

The paper deals some important aspects concerning the study of desertification phenomenon that has significantly interested all European countries of the Mediterranean basin in the last decades. The territorial sensibility, qualitatively and/or quantitatively, of the risk related to the desertification processes has been valued as grade of susceptibility to the phenomenon in the study area, wit...

2003
János Tamás Elza Kovács

Basically, water erosion is one of the most significant environmental problems in the world. The major variables affecting soil erosion are climate, soil, vegetation, and topography. Of these, vegetation and, to some extent, soil and topography may be controlled. However, for adequate intervention, reliable and representative model parameters and running conditions are necessary, which requires...

Journal: :European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry 2011
R Huew P J Waterhouse P J Moynihan S Kometa A Maguire

AIM To investigate any association between dental erosion and its potential dietary risk factors in a group of schoolchildren in Benghazi, Libya. STUDY DESIGN A cross-sectional observational study. METHODS A random sample of 12-year-old schoolchildren in 36 randomly selected schools completed a questionnaire to provide dietary data and underwent dental examination. Dental erosion was assess...

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