in this paper, a model for evaluating and ranking constructive projects will be presented. this model is based on six key criteria and a conceptual framework. these main evaluation criteria include: good history, equipment and machinery, management and technical staff, economic - financial skills and experience, and scientific and technical capabilities. these criteria and their weights were de...

abstract one of the problems in design of irrigation structures is sedimentation control in the inlet to the irrigation networks. water quality for agriculture requires that the sediments be controlled and reduced to the permissible limit at their entrance point to the turnouts and irrigation networks. this is possible by constructing a sedimentation basin. the bigger the basin, the best the re...

This paper describes an approach for integrating sociological and technical models to develop more complete threat assessment. Current approaches to analyzing and addressing threats tend to focus on the technical factors. This paper addresses development of predictive models that encompass behavioral as well as these technical factors. Using improvised explosive device (IED) attacks as motivati...

The rapid development and wide application of computer network effectively promoted the development of China’s economy and information technology, but network and information security problems also came. In our view, we should focus on management on one hand and grasp network security technique on the other hand. Both are equally important. Without the support of management, even the best techn...

Neutron diffraction has unique capabilities for scientific research under extreme conditions, mainly in two large areas: crystallography/geosciences and magnetism/solid-state physics. The growing interest in these fields is attested by the quantity and quality of publications, by the number of experiments proposed at the different neutron sources and by the new instrumentation projects under de...

In this article we present a study case on the use of concept maps as a strategy for the development of technical reports on industrial engineering problems. These problems occur in complex, multidisciplinary environments that require the application of technical and social systems knowledge which is analyzed by an engineer in order to propose effective and efficient solutions. This case seeks ...

We present an illative system Is of classical higher-order logic with subtyping and basic inductive types. The system Is allows for direct definitions of partial and general recursive functions, and provides means for handling functions whose termination has not been proven. We give examples of how properties of some recursive functions may be established in our system. In a technical appendix ...

The requirements for Web applications concerning workflow execution, interaction, aesthetics, federation and Web service integration are steadily increasing. Considering their complexity, the development of these “rich workflow-based Web applications” requires a systematic approach taking key factors like strong user involvement and clear business objectives into account. To this end, we presen...