نتایج جستجو برای: erosion hazard index

تعداد نتایج: 482333  

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...

2017
Luanda Cristina O Luciano Meire Coelho Ferreira Marco Aurelio Paschoal

BACKGROUND/PURPOSE Dental erosion in young individuals has increased significantly in recent years, due to changes in lifestyle. Thus, the present study investigated the prevalence and factors associated with dental erosion in individuals aged 12-30 years in the city of Imperatriz of Maranhão, Brazil. MATERIALS AND METHODS A cross-sectional study was conducted on 335 individuals who answered ...

ژورنال: سلامت کار ایران 2017

Abstract Background and aims: Road transportation of chemicals due to occurring various accidents and their hazardous consequences has high importance. The aim of this study was to determine safe distance in the accidents of road transportation of toxic chemicals in order to use in emergency response planning. Methods: In this study, firstly, transportable chemicals -by road- were studied and...

K. Kant, M. Garg, R. Kumari,

Background: Natural radionuclides in rock samples, primarily 238U (uranium), 232Th (thorium) and 40K (potassium), are the main source of radiation exposure to workers and general public and their measurement is of paramount importance from radiation protection point of view. Materials and Methods: Gamma spectrometry using HPGe detector was used to measure the radioactivity and assess the radiol...

Journal: :Revista espanola de cardiologia 2014
Teresa Puig Andreu Ferrero-Gregori Eulalia Roig Rafael Vazquez Jose R Gonzalez-Juanatey Domingo Pascual-Figal Juan Delgado Luis Alonso-Pulpon Xavier Borras Ana Mendez Juan Cinca

INTRODUCTION AND OBJECTIVES To analyze the association between higher body mass index and waist circumference, and the prognostic values of both indicators in total and cardiac mortality in patients with chronic heart failure. METHODS The study included 2254 patients who were followed up for 4 years. Obesity was classified as a body mass index ≥30 and overweight as a body mass index of 25.0-2...

2014
Biju Thomas

Tooth wear (attrition, erosion and abrasion) is perceived internationally as a growing problem .The loss of tooth substance at the cementoenamel junction because of causes other than dental caries has been identified as non-carious cervical lesions (NCCLs) or cervical wear. NCCLs can lead to hypersensitivity, plaque retention, pulpal involvement, root fracture and aesthetic problems. Hence stud...

2003
B. G. J. S. SONNEVELD

Expert judgements are potentially a valuable source of information in land degradation assessment, especially in areas where data paucity impedes the use of quantitative models. However, expert opinions are also much disputed because they are not tested for consistency, abstain from formal documentation, while their quantitative interpretation is inherently unidentifiable. This paper evaluates ...

2002
Manzul Kumar Hazarika Kiyoshi Honda

*Manzul Kumar Hazarika, Institute of Industrial Science, Block-C, Ce-509, University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 1538505, Japan; Kiyoshi Honda, Asian Center for Research on Remote Sensing, STAR Program, Asian Institute of Technology, P.O.Box 4, Khlong Luang, Pathumthani 12120 , Thailand. *Corresponding author: [email protected] ABSTRACT Soil erosion is a serious environmental p...

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...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید