background: professionalism is currently a chief concern across the continuum of medical sciences and there is a great deal of efforts to clarify its theoretical components and to measure them. for participation of iranian medical scientific society in this universal challenge, there is a need to explain and interpret the state of art of this topic in the world. methods: we selected the most re...

A systematic cross-country analysis of e-commerce activity reveals that although physical infrastructure explains much of the variation in basic Internet use, e-commerce activity also depends significantly on the "rule of law" and, secondarily, on availability of credible payment channels such as credit cards. These results suggest that an institutional environment that facilitates the building...

identification of rapid degradation of ecological resources requires effective environmental monitoring including ecological integrity assessment .our first aim is to analyze ecological integrity in a landscape context while developing a method to assess integrity in spite of a dearth of historical data. we used a spatial-temporal reference framework for land cover maps for assessing ecological...

Basics We will use the following parameters: • n, the security parameter.

Working memory capacity is one of the most important learner's characteristics that can be used as an input parameter for personalizing learning in order to improve the learning process. Therefore, knowing learner’s working memory capacity and personalizing the learning contents according to learner’s working memory capacity levels are important research issues. This paper proposes an approach ...

A data warehouse stores materialized views over data from one or more sources in order to provide fast access to the integrated data, regardless of the availability of the data sources. Warehouse views need to be maintained in response to changes to the base data in the sources. Except for very simple views, maintaining a warehouse view requires access to data that is not available in the view ...

background: exposure to arsenic is associated with impairment of male reproductive function by inducing oxidative stress. silymarin with an antioxidant property scavenges free radicals. objective: the aim of this study was to investigate if silymarin can prevent the adverse effects of sodium arsenite on ram sperm plasma membrane and acrosome integrity. materials and methods: ram epidydimal sper...

This paper introduces the concept of local referential integrity according to which an object may only reference objects belonging to the same composite object. For example, in production planning an employee of some department may only be scheduled to work on machines belonging to the same department. Usually, such a constraint must be stated explicitly by a predicate as \add on" to a database...

As engineers, a confliction readily appears in regards to cost efficiency against quality. Civil Engineer A of Peace Corps was assigned the task of the design and building of a desalination though electrodialysis plant in rural Uttar Pradesh, India. Desalination is the process of removing high salt contents from groundwater in order to render it drinkable. Of the total volume of water on Earth,...