درخت حوزه‌های تخصصی

Passive Defense is a set of civilian efforts performed to enhance deterrence, reduce vulnerability, sustain essential activities, promote national stability, and facilitate crisis management against military threats of an enemy. Since in battles, sensitive and critical areas of cities are of paramount importance,it is clear that in military agressions, a large part of threats are focused on cities and their urban facilities and equipment, especially fuel centers. As a result, consideration of passive defense while planning cities has a significant role in reducing the vulnerability of cities and their urban elements as well as facilitating the urban crisis management. It also provides the citizens resistance threshold under possible enemy invasion and natural malicious agents. Hence, this article reviews and analyzes the current situation of gas distribution centers and evaluates their positioning across the city of Mashhad with regard to passive defense approach. However, as far as there is no clear- cut criteria for organizing fuel centers with passive defense approach, the Delphi method is used to select the desired criteria in which on the basis of the final comments of the experts, four critera- performance, access, hazards and security election and spatial organization of the fuel tanks and petrol stations- are analyzed using AHP model and GIS spatial analyzes. Accordingly, it can be said that the assessment of the current status of the urban fuel stations in Mashhad indicates that no area of the city enjoys all measures of passive defense (performance, availability, security, and risks). Likewise, the results indicate that the distribution of these centers in the city are mostly consistent with the factor of access. taking into account all the criteria, it is the ​​North West of Mashhad which has the highest utility than other areas. It is followed by the east of Mashhad and ​​the Northeast and the middle east of the city, respectively. Accordingly, it could be stated that ignoring an efficient design for determining the optimum location of the site construction with a passive defense approach results in an inappropriate and naive spatial distribution of the stations leading to an increased security and environmental risks of the city.

Islamic architecture has a fundamental dignity and tries to preserve the spiritual and immortal elements. The most sensible characteristic of this type of art is the compatibility with the nature of Islam; monotheism, which the mosque architecture provides the best bed for such purpose. The main model for constructing mosques, from both outward and internal spiritual truths point of view, is the Kaaba. It is considered as a religious and holly symbol in Muslims’ all issues. Since the Islamic artist in Islamic architecture seeks the means through forms, therefore, in addition to engineering appearance of Kaaba, which is the model of Islamic mosques’ architecture, its innate mysteries are also emanated in this type of art. Quiddity of these mysteries and their advent quality in the architecture of the mosques is the main issue we are confronting with. This research tries to uncover the coded forms of Kaaba and come out of the attaining unique secrets of these forms in the rational and material world and the way of their emanation in the Islamic architecture, which is the main purpose here. Achieving this purpose is due to benefiting from theological sciences, studying Islamic narratives and verses, and also philosophical, theosophical and knowledge studies which are in descriptive and library types. It is possible to reach the depth of existential philosophy of Kaaba under the shadow of these investigations and the basics of the Islamic architecture would be considering in the next phase and that information in literature review, which features the mysteries of Kaaba would be interpreted in this sacred art. These studies clarify that Kaaba is a secret of unique being of God and it is the emanation of his terrestrial form in divine heaven. Thus, mosques’ architecture is an appearance of the divine house trying to create sacred atmosphere, to indicate this eternal truth and capable the human being to connect to his idol and reach to the final destination of the creation, which is knowing the single God.

According to the non-physical aspects of conservation in the world today and intangible effects were considered serious. Conservation process, but help to understand the purpose and effect of not reading, but perception is a matter of epistemological roots in philosophy and in modern philosophy the process of understanding a monument-art conservation in connection with the audience is important. The audience as an integral part of the conservation that is effective in the formation of the protective interactions. So how to understand and get the audience's perception of the effectiveness and value in him is vital. On this basis, the aim of this paper is to review and reach the audience in understanding how the process is the philosophical foundations value conservation and the main question raised is whether the formation is based on the principles of philosophy devoted to protecting the perception place? To access the call to review the evolution of the contact position in this field and the principles of conservation and understanding of the philosophy and the philosophy of protecting reviews override and analysis and review of the vote, Islamic and Western philosophy has been done in this area. This study is an analysis of the findings found that the effect of that sensory perception, rational and imaginary in philosophy, has been developed and subjective and objective process, in discussing his philosophy of conservation for immediate steps to get the whole effect, thinking the values of work, interpretation and effect of the appreciation of the presence and reading of this show that understanding the importance of the three principles behind the creation and validation of the integrity, authenticity and value perception lies and categories subject to the special relationship with the audience taking effect. When the relationship between the audiences with a monument is established on the basis of perceived value can be expected readings mean conservation will take effect.

The aim of this study was to investigate the impact of management information system on employees’ performance of Tehran Province Water and Wastewater Company in district 5. The present study was an applied research in terms of purpose and a descriptive correlational survey in terms of method. Cochran's formula was used to determine sample size which was 219 employees. The statistical sample was selected using simple random sampling. A standard questionnaire was distributed among them to answer the questions. Some experts were asked to give their opinion on the face validity of the questionnaire. The reliability of the questionnaire was examined using Cronbach's alpha test. The data were analyzed using linear regression test. The results indicated that management information system affects employees’ performance, decision-making, and reducing time of activities in Tehran Province Water and Wastewater Company in district 5. Friedman test results to rank the impact of management information system on employees’ performance indicated that performance of employees is the first priority in terms of effectiveness.

The aim of this study is to investigate the relationship between social capital among employees with their job performance in Tehran's Forensic Medicine Organization. The study population consisted of all the employees of Tehran's Forensic Medicine Organization in 2015 that based on available statistics are 120 employees that because of limited statistical population, sampling has not been done. To collect data, two instruments were used to measure including social capital questionnaire of Nahapiet and Ghoshal (1998), with average reliability coefficient of 93% and job performance questionnaire of Hersey and Goldsmith Achiu model with average reliability coefficient of 88%. Descriptive statistics were used to describe the data and to analyze and evaluate the research hypotheses; test of inferential statistics including univariate regression analysis was used. While confirming the research hypotheses, results showed: Structural, cognitive and communicative dimensions of social capital of employees have an increasing and positive impact on their job performance and this effect is statistically significant.

The intention of this paper is to define the concept of the spirit of place, and then to identify methods for its preservation in historical urban contexts. In fact, this study seeks to answer the question whether the spirit of the place and its components can be derived from tissue structure to improve? And whether we can weave his old identity in psychological indicators - human behavior found? Finally, the aim of this methodology is to help researchers make an objective analysis and evaluation related with the very delicate subject; the spirit of the place and its comprehensible meanings from tangible features to intangible ones. The study hypothesis claims that the psychological component concepts, behavioral and moral spirit of the place can be viable tissue residential neighborhoods. This claim qualitative research design and analysis of research by using descriptive derived from Kerman al-Ghadeer neighborhood residents use the results of the survey population. And the spirit of the place and identity of contingency tables between two components in the sample studied is proof space.