The Practical Aspects of Electric Welding

the study of practical and theoretical foundation of credit risk and its coverage

پس از بررسی هر کدام از فاکتورهای نوع صنعت, نوع ضمانت نامه, نرخ بهره , نرخ تورم, ریسک اعتباری کشورها, کارمزد, ریکاوری, gdp, پوشش و وثیقه بر ریسک اعتباری صندوق ضمانت صادرات ایران مشخص گردید که همه فاکتورها به استثنای ریسک اعتباری کشورها و کارمزد بقیه فاکتورها رابطه معناداری با ریسک اعتباری دارند در ضمن نرخ بهره , نرخ تورم, ریکاوری, و نوع صنعت و ریسک کشورها اثر عکس روی ریسک اعتباری داردو پوشش, وثی...

Electric Resistance Welding in the Aircraft Industries

The Study of Histopathological Effects of Electric Welding Fumes on Bronchiole and Lung of Rats

Purpose: The aim of the present study was to identify the quantitative and qualitative changes of bronchiole and lung alveoli in Rat after exposure to welding fumes. Materials and Methods: A total number of 60 male Sprague Dawley Rats were divided into two groups: imental (40) and control (20). Rats of each group were subdivided into 2, 4, 6 and 8 subgroups. Experimental Rats were exposed to w...

Theoretical, Scientific and Practical Aspects of the Basic Stages of Cad Cam Designing of Centrifugal Pumps

Many theoretical and practical problems arise at different stages of the design/manufacturing process during development of a pump. The experience obtained in pump development proves that the quality of a pump depends on many factors, which should he satisfied to receive good results. At the same time, the theory of engineering design principles exists, which is applicable to designing various ...

Theoretical and Practical Aspects of the of Iranian Teachers Cohort Study: A Methodology Report

Lifestyle and its various components have multiple effects on human health and disease. These include dietary intakes and nutritional patterns, which can greatly prevent non-communicable diseases by adhering to dietary recommendations and guidelines. One of the most important and practical studies, showing relationships between the diets and diseases and the level of health in each country, is ...