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Issue Info: 
  • Year: 

    2020
  • Volume: 

    21
  • Issue: 

    74
  • Pages: 

    47-66
Measures: 
  • Citations: 

    0
  • Views: 

    284
  • Downloads: 

    0
Abstract: 

In this research, the adaptive neuro-fuzzy inference system was used for predicting the imposed forces on the tines and tractor fuel consumption during subsoiling operation. The draft and vertical forces imposed on subsoiling tines and tractor fuel consumption were measured under the effect of tine type (subsoiler and paraplow), tillage depth (30, 40 and 50 cm) and forward speed (1. 8, 2. 3, 2. 9 and 3. 5 km/h). The field data were used to create the regression and ANFIS models for predicting the studied parameters; the results obtained from applying two models were compared with each other. The field results showed that all independent variables were effective on the studied parameters. Increase in forward speed and tillage depth resulted increase in draft force, vertical forces, and also fuel consumption. Moreover, from the point of consumption of fuel, the paraplow tine was more profitable than subsoiler tine. The results of ANFIS part showed that draft force, vertical force, and fuel consumption, the membership functions of Gaussmf, Trimf and dsigmf, with the mean square error of 0. 0156, 0. 0231 and 0. 0212 also correlation coefficient of 0. 999, 0. 989 and 0. 991, respectively, were the best models for prediction. ANFIS models were found more accurate than regression models, and it could be possible to calculated the model outlet for a special inlet using ANFIS outlet surfaces.

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Issue Info: 
  • Year: 

    2022
  • Volume: 

    8
  • Issue: 

    2
  • Pages: 

    80-93
Measures: 
  • Citations: 

    0
  • Views: 

    259
  • Downloads: 

    0
Abstract: 

Introduction and aim: Attention-Deficit / Hyperactivity Disorder is one of the most common psychiatric disorders in children. Finding treatments to improve these people is scientifically important. This study aimed to evaluate the effectiveness of motor games based on Montessori theory on external forces on the body in children with attention-deficit /hyperactivity disorder while walking. Methods: This study was a clinical trial. 30 boys with attention-deficit / hyperactivity disorder were randomly divided into two groups of control (15 people, age: 8. 1 ±,0. 4 years) and experimental (15 people, age: 8. 1 0 0. 5 years) Were located. forces on the soles of the feet (Ground reaction forces) were recorded during walking before and after 12 weeks using a force board device. The training program consisted of 12 weeks (three sessions per week) including movement games based on Montessori theory. For statistical analysis, a two-way analysis of variance with repeated measures was used. Analysis was done by SPSS software (version 16) at a significant level of 0. 05. Results: The findings of the present study showed that the peak component of the reaction force in the internal-external direction during the pushing phase (P = 0. 001) decreased significantly by 19. 72%. The peak components of the reaction force in the anterior-posterior part decreased significantly during the post-test compared to the pre-test in the heel and pushing contact phases by 28. 11 (P = 0. 003) and 25. 39 (P = 0. 006), respectively. The negative peak component of free torque showed a significant decrease during the post-test compared to the pre-test in the experimental group (P = 0. 001). Conclusions: In general, due to the reduction of negative peak free torque values, it can be said that Montessori-style movement games can reduce torsional loads on the body during walking.

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Author(s): 

ALAEI HOSSEIN

Issue Info: 
  • Year: 

    2020
  • Volume: 

    16
  • Issue: 

    4 (64)
  • Pages: 

    133-156
Measures: 
  • Citations: 

    0
  • Views: 

    1688
  • Downloads: 

    0
Abstract: 

Governments as a variable sponsor and supplier of the Armed forces played an important and effective role in the resistance of the Iranian people, victories and possibly some failures of the war has been imposed. This research examines the role of the Iranian government in different periods of the holy defense. In this article, a descriptive-analytical method has been used. The data are collected by a library method and by reading explicit documents as well as oral interviews with some persons involved. The purpose and type of research is also used to examine the role and effect of government in the course of the imposed Iraqi war against Iran. This article seeks to answer the question of how and in what areas the government supported the fronts and warriors. The importance of examining this issue is that it is unrealistic to imagine exiting the aggressive army from Iran and preserving the territorial integrity of the country, regardless of the efforts and activities of the government during the war. The government was an important part of Iran's defensive power during the war, whose sustainability and performance played a significant role in preventing the advance of the Iraqi army during the early months of the war as well as in the successes of operations and the development of the country's combat capability.

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Issue Info: 
  • Year: 

    2022
  • Volume: 

    9
  • Issue: 

    2
  • Pages: 

    193-214
Measures: 
  • Citations: 

    0
  • Views: 

    125
  • Downloads: 

    0
Abstract: 

Organizations responsible for sports, war, and peace, like other organizations, need frequent developmental changes to survive. One of the most important requirements of organizational development is "knowledge management". In this regard, the present study was conducted with the main purpose of "explaining the experiences of the role of sports in the war" and the sub-purpose of "explaining the experiences of the role of sports in the Iraq-Iran war" and a qualitative approach was used to achieve the main and secondary goals. The research method of narrative research based on the narrative of those involved in sports has used the role of sports in war. For this purpose, in this research, first, a documentary and library study on the theoretical foundations of the research and all available sources, including Persian and Latin, as well as previous researches were performed. The research method at this stage was historical. Interview questions were asked based on the literature and research background and research ambiguities. To extract experiences, 13 academic, military and sports experts were interviewed. Maxqda software was used to analyze the content of the interviews and extract the categories and concepts and present the report. Finally, based on the recorded experiences, in the main question (what are the experiences of the role of sports in the war?), 6 main themes and 22 codes, in the sub-question (what are the experiences of the role of sports in the Iraq-Iran war?), 4 main themes and 16 codes were identified. Finally, this research led to empiricism and documentation of lessons learned and experiences in the fields of sports and war, and provides the basis for knowledge management in sports.

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Issue Info: 
  • Year: 

    2022
  • Volume: 

    13
  • Issue: 

    51
  • Pages: 

    135-159
Measures: 
  • Citations: 

    1
  • Views: 

    178
  • Downloads: 

    55
Abstract: 

The purpose of this research is to determine the effectiveness of self-compassion training on cognitive flexibility, resilience and difficulty in emotional regulation in the armed forces injured in the imposed war and the statistical population of the study includes the armed forces injured in the imposed war, referring to the hospitals of the armed forces. Tehran city was armed in the second half of 1400, when using the available sampling method, 30 people were selected and randomly assigned to two experimental and control groups (15 people in each group). To collect information, cognitive flexibility questionnaires (Dennis and Vanderwaal, 2010), resilience questionnaire (Connor and Division, 2003) and emotion regulation difficulty questionnaire (Gratz and Roemer, 2004) were used. Self-compassion training was performed on the experimental group in 8 sessions of 90 minutes. Multivariate analysis of covariance test was used to analyze the data. The results have shown that group counseling with a self-compassion approach is effective on cognitive flexibility, resilience and difficulty in regulating the emotions of the armed forces injured in the imposed war (p<0. 05).

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Issue Info: 
  • Year: 

    2007
  • Volume: 

    2
  • Issue: 

    1 (6)
  • Pages: 

    111-129
Measures: 
  • Citations: 

    0
  • Views: 

    292
  • Downloads: 

    0
Keywords: 
Abstract: 

This paper seeks to address the following question: how much important are the internal and external factors in the process of democratization in developing countries. The paper's main thesis is that the destiny of imposed democracies is more dependent on internal than external situation. Democracies can be stabilized when and only when the power sources (economical, political, and intellectual) in a country are distributed evenly, so no group can oppress its rival or perpetuate its dominance over them.

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Author(s): 

TORKAMAN A. | Naeini v.

Issue Info: 
  • Year: 

    2019
  • Volume: 

    7
  • Issue: 

    2
  • Pages: 

    227-234
Measures: 
  • Citations: 

    0
  • Views: 

    257
  • Downloads: 

    199
Abstract: 

Turn to turn fault is one of the major internal failures in the power transformers that if it is not quickly detected, can be extended and led to a complete transformer breakdown. So, the diagnosis and location of the turn to turn fault of the power transformer, as one of the most important equipment in the power system, is the main objective of this paper. For this purpose, a detailed model of a three-phase transformer is presented by the finite element method (FEM) to investigate this fault in the different situations. Accordingly, the number of short-circuit turns as well as fault location, cause to generate the high forces between the short-circuit turns and the other healthy winding turns. Consequently, in this paper an appropriate method based on force analysis of winding turns for detecting, locating and determining fault severity is introduced.

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Author(s): 

Mehrabi Tavana Ali

Issue Info: 
  • Year: 

    2024
  • Volume: 

    7
  • Issue: 

    2
  • Pages: 

    65-71
Measures: 
  • Citations: 

    0
  • Views: 

    17
  • Downloads: 

    0
Abstract: 

The imposed war by the Iraqi Baathist government against the Islamic Republic of Iran from 1980 to 1988 in the northwest and southwest of the country led to a strong and comprehensive defense by the warriors of Islam against the enemy. Naturally, these areas have been the habitat of various animals, including poisonous snakes, since ancient times. The fierce defense by the warriors against the enemy also took place in this geographical area. Given this species' biodiversity, this article attempts to study and examine reports of snakebite cases among combatants over an 8-year period in combat zones, as well as treatment and prevention measures for such hazards. Fortunately, due to effective health measures, no deaths from snakebites have been reported. Snakebites can be dangerous, especially if the snake is poisonous. Without access to medical and emergency measures, they can even be fatal. It is important to follow safety guidelines to avoid encountering snakes. Medical personnel should be well-trained in how to respond to a snakebite to provide prompt assistance and prevent further harm or potential death. In desert areas, it is crucial to clear the environment of thorns and debris, which could be potential snake nests, and to educate soldiers on safety measures to prevent snakebites.

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Author(s): 

Mehrabi Tavana Ali

Issue Info: 
  • Year: 

    2022
  • Volume: 

    5
  • Issue: 

    1
  • Pages: 

    173-177
Measures: 
  • Citations: 

    0
  • Views: 

    80
  • Downloads: 

    18
Abstract: 

Lice are considered a foreign and bloodthirsty parasite of humans and can reproduce in unsanitary conditions and cause dangerous diseases such as typhus. The spread of personal and public health among warriors during the years of the holy defense prevented the emergence of epidemics caused by this dangerous insect. This article addresses the issue of pediculosis and the prevention of diseases transmitted by it during the holy defense. The present research has been done by bibliography, searching scientific websites, and interviewing university staff and responsible health persons involved in holy defense. This study shows according to basic arrangements performed such as individual health training and environment disinfection, there is no epidemic and/or affection to different diseases transmitted by lice in soldiers during a holy war.

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Issue Info: 
  • Year: 

    2021
  • Volume: 

    3
  • Issue: 

    9
  • Pages: 

    43-62
Measures: 
  • Citations: 

    0
  • Views: 

    540
  • Downloads: 

    388
Abstract: 

One of the essential and fundamental issues as an effective management model for officials and managers of today's society is to identify and explain Imam Khomeini's strategic management and thinking during the imposed War. With descriptiveanalytical and documentary and libraries methods, the present study aimed to answer the ‘ What are the critical management features in the Imam's manner and behavior during the imposed war? ’ And designing and explaining a practical model of Imam Khomeini's management strategies and modeling its behavior for the country's managers. According to the hypothesis, Imam Khomeini's management characteristics are based on his personal and organizational behavior and Islamic values. The results indicated that Imam Khomeini's leadership and management model in the imposed War was a combination model based on three levels of the individual (personality), behavior, and society's needs.

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