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مرکز اطلاعات علمی SID1
اسکوپوس
دانشگاه غیر انتفاعی مهر اروند
ریسرچگیت
strs
Author(s): 

PARSA S. | ZEINIPOUR M.

Issue Info: 
  • Year: 

    2016
  • Volume: 

    4
  • Issue: 

    1 (13)
  • Pages: 

    35-50
Measures: 
  • Citations: 

    0
  • Views: 

    1218
  • Downloads: 

    317
Abstract: 

Existence of a vulnerability for hackers don’t be EXPLOITable only and whatever give credit to vulnerability is EXPLOIT. Automated EXPLOIT Generation (AEG) confront problems because of various protections, behavior and vulnerability conditions but nonetheless had did researches in subject. Whatever I had peruse in this thesis is possibility of automated EXPLOIT generation for vulnerabilities of Internet Explorer (IE) 7 & 8 in Win XP and Win 7. Generated EXPLOITs are for two vulnerability type: Stack Buffer Overflow and Function Pointer Overwrite. In my savory method that use from instrumentation tools, would hoarded necessary information from program through dynamic analysis. In this method has detected vulnerability type and has bypassed methods of protections and has showing proper patterns for EXPLOIT. Must I reminisce you that in the project don’t discovery vulnerability and there are vulnerability.

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Issue Info: 
  • Year: 

    2021
  • Volume: 

    5
  • Issue: 

    9
  • Pages: 

    0-0
Measures: 
  • Citations: 

    0
  • Views: 

    0
  • Downloads: 

    2704
Abstract: 

Viruses are pathogens that strictly depend on their host for propagation. Over years of co-evolution viruses have become experts in EXPLOITing the host cell biology and physiology to ensure efficient replication and spread. Here, we will first summarize the concepts that have emerged from in vitro cell culture studies to understand virus spread. We will then review the results from studies in living animals that reveal how viruses EXPLOIT the natural flow of body fluids, specific tissue architecture, and patterns of cell circulation and migration to spread within the host. Understanding tissue physiology will be critical for the design of antiviral strategies that prevent virus dissemination.

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Author(s): 

MOHAMMADI DARYOUSH

Issue Info: 
  • Year: 

    2020
  • Volume: 

    72
  • Issue: 

    4
  • Pages: 

    353-362
Measures: 
  • Citations: 

    0
  • Views: 

    553
  • Downloads: 

    322
Abstract: 

In recent years, the EXPLOITation of aquatic reserves in the world has played a major role in the food industry. Therefore, seaside governments have sought to EXPLOIT new opportunities to meet the growing international demand for fish and fishery products by investing in modern fishing fleets and processing plants. But many of the fishery reserves have been damaged by overfishing and uncontrollable fishing. Clear signs are threatening the over-EXPLOITation of valuable fishery stocks, changes in ecosystems, heavy economic losses, international disputes over fisheries management and trade, the long-term sustainability of fisheries and its contribution to food. Governments have therefore sought to take greater account of modern environmental and legal approaches to fisheries management, protecting environmental and environmental issues, as well as economic and social considerations. This descriptive and analytical study has concluded that fisheries and the right to EXPLOIT aquatic reserves are of particular sensitivity among the various sectors subject to complementary measures by the UN Conference on the Environment and Internal Rights of Iran. The main laws on the right to EXPLOIT aquatic life have been enacted by the Law on the Establishment of the Iranian Fisheries Organization and the Implementing Regulations of the Law on the Conservation and Management of Water Resources of the Islamic Republic of Iran. It is the jurisdiction of the Islamic Republic of Iran and the obligations set forth in the Law on the Conservation and EXPLOITation of the Marine Resources of the Islamic Republic of Iran are in a manner reflective of international regulations.

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گارگاه ها آموزشی
Issue Info: 
  • Year: 

    2020
  • Volume: 

    8
  • Issue: 

    3
  • Pages: 

    276-302
Measures: 
  • Citations: 

    0
  • Views: 

    109
  • Downloads: 

    123
Abstract: 

The education system is one of the most important pillars of every country's development, and this critical institution and its human products play a decisive role in the development of countries. Management in educational systems is more important and more difficult, because it deals with human achievement. And among these, school management also has a special role in society because, if we are to achieve a desirable society, we must have successful schools. And this is possible if we have successful school principals. In order to realize this goal, it is necessary to identify the problems of school management by studying the current situation in our schools. And one of their most pressing problems is EXPLOITing the subways. EXPLOITing subordinates by managers can have an impact on organizational performance. Today, the most important competitive advantage of organizations is in the field of human beings. Obviously, organizations with the appropriate intellectual and human capital will outperform other competitors in the field of competition, EXPLOITing managers of a disadvantage and as a barrier to development from existing status to desirable status. It is and can be a threat to the desired goals of educational planning, so it is a social issue that requires theoretical perspectives to identify this damage and models for explaining social problems. The purpose of this study was to present and describe the lived experiences of school staff about the reasons some principals tend to EXPLOIT subordinates in education in order to provide a clear picture of the abuses and the underlying factors of these EXPLOITation. Many managers seem to be inclined to do so, but there is insufficient scientific research on the prevalence of such behavior, which doubles the need to delve deeper into the depth-based approach. In this study, based on the social commentary paradigm, using descriptive phenomenological method, while analyzing the lived experiences of teachers and assistants and understanding their views and gaining a deep understanding of the phenomenon under study, it is searched the causes of managers' tendency to EXPLOIT subordinates and offenders be identified and represent it in activities. The phenomenological focus is on the experiences of life, the ones that make sense of each phenomenon for each individual and tell the person what is real and real in his or her life. In order to collect data, through purposeful sampling and semi-structured interviews 10 teachers and school principals of Mahdi Shahr, Semnan province were inter viewed. These kinds of inter views, because of their flexibility and depth for qualitative research are appropriate. The questions were prepared as an interview guide in advance and an interview protocol was developed to guide the interview process. Prior to the start of the interview, participants were allowed to record the interviews to increase accuracy and robustness of the same findings and to prevent forgetfulness of recall. Interview transcript was transcribed verbatim after repeated listening to be analyzed. Their lived experiences were then analyzed in depth using Colaizzi's seven-step strategy. In order to increase the credibility, transferability, dependability and confirmability, peer debriefing, negative case analysis, triangulation, member check, explaining the exact details of the data collection and analysis process, long-term immersion, and "inspection and verification at coding time", were utilized. Qualitative writing involves the reporting of textual data and is characterized by vocabulary, topics, and writings. Often participant direct quotes and singular first person pronoun, or in the term "active voice" are used. Such a sound leads to more assurance that in the present study also tried to take into account the features mentioned in the writing. Accuracy and diligence in the lived experience of staff and successive comparisons led to the identification of 4 main factors and 24 sub-factors of education managers' tendency to EXPLOIT. The most frequent ones are "how to appoint managers"; "professional characteristics of managers"; "ethical characteristics of managers"; and "subordinate ethics". It should be noted, however, that the ethical characteristics of managers and subordinates were similar to those of the participants. And these four themes can provide a clear picture of the reasons for managers' tendency to EXPLOIT. The first theme is how to appoint managers having 9 themes as follows: Appointment of managers due to lack of manpower; Appointment regardless of work experience and background; Appointment without regard to related field (management); Appointment of managers unfamiliar with job duties Self-appointment due to receiving end-of-service remuneration; Appointment without interest; Appointment without specific selection and filtering; Appointment by individualism and by pleading and appointment without regard to eligibility and meritocracy. The second theme, namely the professional characteristics of managers, has five themes as follows: Navigating systemic and computer tasks; managing the backyard; lacking in responsibility; refusing to perform tasks and learning tasks and being idealistic. The third theme, namely, the ethical and personality characteristics of managers, has five themes: tyranny and dominance of managers; opportunism and abuse of manager; comparability of manager; power seeking and sense of superiority and manager and leader. Being a manager. And finally, the fourth theme, namely the subconscious morality, has five themes as follows: Subordinate cowards; inherently oppressed employees; having emotional relationships with the manager; Subordinate commitment and acceptance of responsibility subject to working or financial conditions. The result of these factors will be the greater the productivity of the educational system in the longer term and the achievement of its transcendent goals. And given that the ultimate solutions to educational problems and problems are in the hands of educational managers, the potentials and abilities of managers need to be developed as far as possible. The results of this study can be used to develop programs to help develop and enhance the professional competencies of school principals and reduce the damage caused by neglect. Following are some practical suggestions and suggestions based on the research findings. Including: the necessity of holding short-term courses for new appointment managers, as well as meeting with experts and administrative assistants to justify their managerial and managerial duties and acquaintance with new directives, style sheets and guidelines; appropriate use of colleagues' opinions in relation to the selection of managers can be provided; while stricter management requirements, they must create the necessary attractions, both financially and spiritually, to welcome the talented and innovative people from the management post.

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Issue Info: 
  • Year: 

    2018
  • Volume: 

    9
  • Issue: 

    37
  • Pages: 

    35-66
Measures: 
  • Citations: 

    0
  • Views: 

    75498
  • Downloads: 

    30995
Abstract: 

The success, growth and long-term survival of an organization depend on its ability to EXPLOIT current capabilities and simultaneously explore the new competencies. Numerous articles have been devoted to the study of organizational ambidexterity in innovation, organizational and strategic management literature. Some indicated the important role of ambidexterity in organizations' performance. Others brought up that it is not so significant, and this question is yet to be answered. So far, several literature reviews and meta-analysis have been conducted on this construct, which has been focused on limited specific aspects. But to the best of our knowledge, there is no comprehensive review of both qualitative and quantitative studies which include all types of performance and also highlight the different conceptualization of organizational ambidexterity. Therefore, this comprehensive systematic review of 134 qualitative and quantitative studies during 1991-2016 has pursued two major goals: First identifying different conceptualizations of exploration and EXPLOITation, and second, identifying the causes of different effects of organizational ambidexterity on performance in previous studies. The review results found 15 different conceptualizations of exploration– EXPLOITation; and also six reasons for the different results of previous research on the impact of organizational ambidexterity on performance have been identified, including measurement of organizational ambidexterity, level of analysis, research design, implementing organizational ambidexterity, performance measurement, and organizational ambidexterity conceptualization, each with its own dimensions.

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Issue Info: 
  • Year: 

    2014
  • Volume: 

    4
  • Issue: 

    15
  • Pages: 

    118-132
Measures: 
  • Citations: 

    0
  • Views: 

    748
  • Downloads: 

    302
Abstract: 

In order to the lack of perennial rivers, so maintains of groundwater resources must be used priors programs in the management of Iran water resources. The aim of this paper is study the situation of groundwater resources in Neishaboor plain so that, based on the quantity and quality data in Neishaboor plain approach to EXPLOIT potential zoning of groundwater resources plans. Generally, in order to pumping testing results the mean of storage coefficient and the mean of transmission coefficient in studied area are about 1000 m2/d and 0.051. Follow the results for decreasing of groundwater based level is from northeast to south west and from south to central and west. Neishaboor plain aquifer are formed by flows from north, northwest, northeast, east and south are influenced by hydrogeology recharge by Binalood mountains. The maximum and minimum of groundwater base level is 143.9 and 3.96. The east and south of plain have more EXPLOIT potential index than to other regions, the central of plain and Neishaboor in order to high quality and low based level, are the low index which the main cause of them is low transmission coefficient (about 200 to 300 m2/d) which resulted the low discharge of well in this regions. The index in central part of the plain is about 0.011 to 0.185 and is located between 0.185-0.261 very low in order to salinity, the main cause of them is high transmission coefficient and declined in Water level in this studied area.

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Journal: 

GEOGRAPHIC SPACE

Issue Info: 
  • Year: 

    2010
  • Volume: 

    10
  • Issue: 

    29
  • Pages: 

    27-50
Measures: 
  • Citations: 

    8
  • Views: 

    2008
  • Downloads: 

    532
Abstract: 

Tourism is an industry with cultural and social relationship with minimum environmental contamination creating income and economic scale. Natural attractive places of each country have imperative role in absorbing the tourists. Ecotourist is a tourist who travels in nature without damaging environment. Geotourism is a branch of ecotourism. Karaftou cave in Kordestan Province has visual points and natural unique attractions along with historical places. In this paper we have studied two factors of road access and ecotourism potential with target of evaluation and study of the area ecotourism potentials Possible road access factor and ecotourism potential were analyzed using a matrix dependent to the study area. On the basis of resulting Pr index, location B (Karaftou cave) has maximum score with coefficient of 33% and, location C (Crackles) and location A (Gorbabaali Village). On the Took the next ranks. Basis of EP index, location B score (Karaftou cave) was equal to 1.16 and location A (Gorbabaali Village) was equal to 85% and location C score (Crackles) was equal to 44%. Explanatory results indicated that Kraftou cave is more suitable place for tourism development than others.

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Issue Info: 
  • Year: 

    2016
  • Volume: 

    8
  • Issue: 

    1 (14)
  • Pages: 

    89-112
Measures: 
  • Citations: 

    0
  • Views: 

    1463
  • Downloads: 

    844
Abstract: 

Development of sports and physical education due to the positive effect on physical and mental health, spend leisure time and its dramatic effects on various aspects of social, economic, political, cultural, can be considered as one of the main tools to be considered human beings as central to sustainable development. The aim of this study was to evaluate the main elements of indigenous and local sports In order to EXPLOIT the rural sustainable development. The present study uses a qualitative approach with a naturalistic worldview. The games and sports in Kermanshah, Iran were analyzed. The data were collected by conducting in-depth interviews and semi-structured, individual interviews and focus groups, direct observation and complementary methods such as photographs and video. The results showed that local and indigenous games and sports, in various aspects, includes a series of activities are interesting, So that planning in order to revive and promote Games, can handle a wide range of rural development goals, because of sports and recreational activities associated with rural development programs, by providing healthy and active workforce, enhance social capital, increase participation of rural people, improving social cohesion, preserve local values and beliefs, as well as villagers enrich leisure time and reduce social abnormalities, leads to the formation of a dynamic and vibrant community with improved efficiency and productivity and improving the quantity and quality of rural life.

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Author(s): 

YUVARAJA T. | RAMYA K.

Issue Info: 
  • Year: 

    2016
  • Volume: 

    29
  • Issue: 

    4 (TRANSACTIONS A: BASICS)
  • Pages: 

    505-513
Measures: 
  • Citations: 

    0
  • Views: 

    34222
  • Downloads: 

    23359
Abstract: 

This paper presents an analytical modeling method of optimal control variables to maximize output power for switched reluctance generators (SRGs) in single pulse mode operation. This method extends the basic theory of the Stiebler model and utilizes the flux linkage function to express the inductance model of SRG. In this paper, the optimal phase current shape of SRG for maximum output power is investigated to determine optimal control variables based on phase current model. The expression of phase current in this paper that is in terms of control variables is solved using the basic equation of phase voltage based on inductance model, and then the characteristics of phase current and the energy conversion relations are analyzed to determine optimal shape of phase current. Furthermore, the expressions of phase flux linkage, rms phase current, and phase torque based on the proposed phase current model are presented in this paper to know the trend of main electrical losses. Results from analysis show that the switched reluctance generator with the optimal control variables can produce maximum output power and the shape of phase current in this case is flat top. Simulation and experimental results are presented to verify the proposed method.

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Journal: 

ADDICTION AND HEALTH

Issue Info: 
  • Year: 

    2009
  • Volume: 

    1
  • Issue: 

    1
  • Pages: 

    44-52
Measures: 
  • Citations: 

    0
  • Views: 

    1163
  • Downloads: 

    106
Abstract: 

Background: The purpose of this study was to evaluate various educations in primary schools to prevent drug addiction.Methods: In this qualitative study, data included the experiences of those who been students in the developed countries for some years as well as their parents. The data were collected by semi-structured and unstructured interviews as well as documents.Findings: The results showed that education for prevention of drug addiction begins in primary schools in the developed countries using various methods. These educations are not occasional but constant and infused in all curriculum subjects and grades. Students become familiar with various drugs and learn about their effects.Conclusion: Our findings showed that social problems are discussed openly in schools of the developed countries and students try to find solutions which are considered by authorities.

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