the purpose of this study is to identify challenges of digital resources in academic libraries of kerman province. research methodology is descriptive- survey, a questionnaire is used for gathering data. research sample includes 41 librarians of kerman libraries and their managers. results show that economic challenges, in order, are:  infrastructures and equipment purchasing, printed and digit...

the purpose of this study was to evaluate the rate of using standards of designing electronic courses in educational contents of state-virtual universities in iran. the method of the study was a descriptive-survey one. the statistical population was the educational content of electronic courses in state-virtual universities such as university of science and technology, and shiraz university. da...

Image analysis is an image processing technique that aims to extract features or information from images. Image analysis in medicine has a special place because is a basis for disease diagnosis for physicians. Electrophoresis is a laboratory separating technique. Electrophoresis images are created during the electrophoresis process. Serum protein and hemoglobin electrophoresis test are the ...

Building trust is very important because fraud has been on rise in online electronic markets. Trust allows participant in online electronic markets to overcome perceptions of risk and uncertainty and make a deal. This paper proposes a design of a mechanism of building trust in online electronic markets. The interesting aspects of this mechanism is that it not only improves reputation rating mea...

hyperspectral sensors provide a large number of spectral bands. this massive and complex data structure of hyperspectral images presents a challenge to traditional data processing techniques. therefore, reducing the dimensionality of hyperspectral images without losing important information is a very important issue for the remote sensing community. we propose to use overlap-based feature weigh...

Legal deposit processes for printed material has been established for centuries [1]. However, the same processes are not necessarily applicable in the case of non-print material such as electronic books. Legal deposit of electronic publications is subject to numerous, often unique challenges such as the legal deposit process, legal issues and infrastructure required. Some of these have been rep...

In this work, a bench-scale process was developed using mineral-processing methods to recover iron from a placer deposit located in Bardaskan, Khorasan-e-Razavi, Iran. The mineralogical studies were performed by X-ray Diffraction (XRD), X-ray Fluorescence (XRF), Electron Probe Micro-Analyzer (EPMA), and an optical microscope. These studies indicated that titanomagnetite, magnetite, and hematite...

in recent years, the banking industry has made significant changes in technology and communications. the expansion of electronic communications and a large number of people around the world access to the internet, appropriate to establish trade and economic exchanges provided but high costs, lack of flexibility and agility in existing systems because of the large volume of information, confiden...