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متن کامل


اطلاعات دوره: 
  • سال: 

    1399
  • دوره: 

    19
  • شماره: 

    8
  • صفحات: 

    899-906
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    451
  • دانلود: 

    116
چکیده: 

زمینه و هدف: کشیدن دندان یکی از راه های درمانی بیماری های دندان است. مطالعه حاضر با هدف تعیین تأثیر الگو های مختلف کشیدن دندان مولر بر روی حافظه کوتاه مدت و میان مدت در موش صحرایی انجام شد. مواد و روش ها: در این مطالعه تجربی تعداد 45 سر موش صحرایی به صورت تصادفی به سه گروه شامل کنترل بدون کشیدن، گروه کشیدن مولر های دو طرفه ی ماگزیلا (E1)، گروه کشیدن مولر های چپ ماگزیلا و راست مندیبل (E2) تقسیم شدند. به منظور ارزیابی حافظه فضایی از آزمون موریس استفاده گردید. جهت آنالیز داده ها از آزمون واریانس یک طرفه و تست Tukey استفاده شد. یافته ها: در تست های حافظه ی کوتاه مدت تعداد دفعات ورود به ناحیه هدف به طور معنی داری در گروه E1 کم تر از گروه کنترل به دست آمد (003/0p=). در گروه E2مدت زمان سپری شده در ناحیه هدف و مسیر طی شده در ناحیه هدف بیش تر از گروه E1 به دست آمد (p<0/05). نتیجه گیری: نتایج این مطالعه نشان داد که الگوی کشیدن دندان ممکن است فاکتور تأثیر گذاری بر روی حافظه باشد.

شاخص‌های تعامل:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

بازدید 451

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نویسندگان: 

حق بین فریده

اطلاعات دوره: 
  • سال: 

    1383
  • دوره: 

    37
  • شماره: 

    3 (پی در پی 146)
  • صفحات: 

    141-154
تعامل: 
  • استنادات: 

    2
  • بازدید: 

    1766
  • دانلود: 

    0
چکیده: 

در زبان فارسی همچون بسیاری از زبانهای دنیا، سه نوع جهت وجود دارد که عبارتند از: معلوم، مجهول و میانه. ساختهای میانه در زبان فارسی همچون مجهول مشتمل بر یک موضوع هستند. فعلهای میانه به لحاظ صرفی، شبیه صورت معلوم خود می باشند؛ اما به لحاظ نحوی و معنایی به مجهولها شباهت دارند. در این جستار، سعی بر آن است تا ضمن تبیین ویژگیهای ساخت میانه در زبان فارسی، چگونگی اشتقاق این ساختار به عنوان ساختی متعدی بر اساس تازه ترین رویکردهای دستور زایشی - گشتاری مشخص شود.

شاخص‌های تعامل:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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نویسندگان: 

LYNCH M.A.

نشریه: 

PHYSIOLOGICAL REVIEWS

اطلاعات دوره: 
  • سال: 

    2004
  • دوره: 

    84
  • شماره: 

    1
  • صفحات: 

    87-136
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    133
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

شاخص‌های تعامل:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

بازدید 133

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مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
نویسندگان: 

Mollakazemiha Mahdi | Fathzadeh Hassan

اطلاعات دوره: 
  • سال: 

    1402
  • دوره: 

    17
  • شماره: 

    45
  • صفحات: 

    203-214
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    184
  • دانلود: 

    37
چکیده: 

There are two approaches for simulating memory as well as learning in artificial intelligence; the functionalistic approach and the cognitive approach. The necessary condition to put the second approach into account is to provide a model of brain activity that contains a quite good congruence with observational facts such as mistakes and forgotten experiences. Given that human memory has a solid core that includes the components of our identity, our family and our hometown, the major and determinative events of our lives, and the countless repeated and accepted facts of our culture, the more we go to the peripheral spots the data becomes flimsier and more easily exposed to oblivion. It was essential to propose a model in which the topographical differences are quite distinguishable. In our proposed model, we have translated this topographical situation into quantities, which are attributed to the nodes. The result is an edge-weighted graph with mass-based values on the nodes which demonstrates the importance of each atomic proposition, as a truth, for an intelligent being. Furthermore, it dynamically develops and modifies, and in successive phases, it changes the mass of the nodes and weight of the edges depending on gathered inputs from the environment.

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بازدید 184

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resourcesدانلود 37 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resourcesاستناد 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resourcesمرجع 0
نویسندگان: 

نشریه: 

SCIENTIFIC REPORTS

اطلاعات دوره: 
  • سال: 

    2019
  • دوره: 

    9
  • شماره: 

    1
  • صفحات: 

    0-0
تعامل: 
  • استنادات: 

    2
  • بازدید: 

    55
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

شاخص‌های تعامل:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

بازدید 55

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نویسندگان: 

اطلاعات دوره: 
  • سال: 

    2017
  • دوره: 

    144
  • شماره: 

    -
  • صفحات: 

    36-47
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    64
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

شاخص‌های تعامل:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

بازدید 64

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مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
اطلاعات دوره: 
  • سال: 

    1402
  • دوره: 

    13
  • شماره: 

    3
  • صفحات: 

    89-103
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    169
  • دانلود: 

    17
چکیده: 

A B S T R A C T Transformations such as globalization, the contiguity of geographical spaces, as well as developments in the field of military technologies have transformed the issue of defense as the main factor for the survival of countries. Because the transformation from hard to soft war and then the smart war in recent decades has changed the approaches to defense. These transformations have led to the development of discussions about defense purposes. Meanwhile, Middle East countries have a prominent position and importance in terms of defense due to their special conditions. This article has tried to investigate the basic dimensions affecting the defense of foreign countries with descriptive and analytical methods, using library and field findings and Smart-PLS software. The results of the current research show that the effective components in the current research include 130 items that are placed in the form of 15 dimensions. The importance of these dimensions in defense of the Middle East countries is, respectively, geopolitical dimension with a 0.43 score, military dimension with a 0.41 score, economic dimension with a 0.41 score, political dimension with a 0.39 score, hydrology dimension with a 0.34 score, security dimension with a 0.32 score, social dimension with a 0.29 score, demographic dimension with a 0.28 score, cultural dimension with a 0.26 score, scientific-health dimension with a 0.25 score, geomorphological dimension with a 0.25 score, mathematical dimension with a 0.2 score, climatic dimension with a 0.2 score, biological dimension with a 0.2 score and soil dimension with a 0.18 score. Extended Abstract Introduction Security and defense are among the most vital issues for the preservation and survival of countries. In fact, defense and military affairs are necessary for countries' independence and political, cultural and economic development. Among them, geography and political geography are prominent fields that directly affect defense issues. Actions taken by a country in dimensions (political, military, economic, etc.) in order to maintain security and territorial integrity, guarantee independence and protection of its people against any enemy attack, will organize the geographical (spatial) environment, wise and appropriate distribution of critical places and sensitive centers and infrastructures are identified by taking into account the threats and the correct use of environmental capacities in political, economic, social, cultural, etc. dimensions, and as a result, it can lead to stability and stability in the country's geographical space. The design of defense planning model according to the economic, cultural, political and environmental features in the new era when countries are facing external and internal threats as a sub-branch of territorial planning has received the attention and importance of officials and governance systems in order to be able to reduce these threats with accurate and systematic planning in the geographical space, defense planning is not separate from the flow of national and regional planning. It is important to pay attention to it based on the type and amount of external and internal threats to governance. Due to the expansion of the security circle, the government is not only responsible for creating military security. However, it must also exercise part of its authority in the direction of territorial management. On the other hand, there has been a transformation in the form of threats and wars based on changes and the movement from hard to soft war and finally, smart war is the basis for reviewing and recognizing the components that can be used in defense of countries, including the Middle East countries, have a prominent position and importance. Despite the internal differences between countries, the Middle East has commonalities and connections that can directly affect the overall defense of this geographical space.   Methodology In terms of type and purpose, the current research is fundamentally applied. Also, it is descriptive and analytical in terms of nature. This research, in addition to the correct and realistic depiction of the defense situation of the Middle East countries, it is tried to provide a suitable model for the defense of the countries. The sources used in the current research are library and field sources (questionnaires). According to the subject of the current research, the statistical population of this research is a collection of people, experts and elites who have sufficient knowledge, experience and expertise regarding the research topic, which is the design of the defense model, according to the nature of the Delphi pattern model, at least the statistical population based on the sources should be between twenty and fifty people to reach statistical saturation. The number of selected samples included 51 people who were identified in the form of a non-random sampling pattern and introduced as a statistical sample in the framework of the Delphi model. Due to the qualitative nature of this research, it has been tried to use the Delphi model in the framework of the targeted non-random model. Therefore, based on these cases, the current research has selected the maximum statistical population of 51 elites, experts, and opinionated people in this field. In this research, to evaluate the research hypotheses in the form of the hardness equations model, the partial least squares method and the SMART-PLS software, which is a variance-based path modeling technique and provides the possibility of checking the theory and metrics simultaneously, have been exerted.   Results and discussion In this research, approaches such as political, military, cultural, etc., in the field of land use have been discussed. In the meantime, the defense of countries as an emerging approach is significant. According to the developments in geographical spaces, such as the evolution of military-defense technologies, the connection of geographical spaces to each other and most importantly, the movement from hard and soft war to smart war has witnessed a transformation and wide attention in a way that countries are suited to these developments are trying to prepare the geographical space of their country in terms of defense. Therefore, the defense planning of the Middle East countries as a geographical region has great importance from a geopolitical and strategic point of view, which indicates that the countries of this region face threats and complex defense-security issues in different ways.   Conclusion The results of the present research show that the defense planning in developing countries should be considered according to their characteristics, considering all 15 dimensions, which include 130 components. In the design of the defense planning of these countries, attention should be paid to the weight and importance of the shaping dimensions. In general, it can be said that the defense planning of the Middle East countries is proportional to the geographical features of these countries and on the other hand, considering the developments in the field of threats and moving from hard to smart war, 15 dimensions should be considered for the defense of these countries.   Funding There is no funding support.   Authors’ Contribution Authors contributed equally to the conceptualization and writing of the article. All of the authors approved thecontent of the manuscript and agreed on all aspects of the work declaration of competing interest none.   Conflict of Interest Authors declared no conflict of interest.   Acknowledgments  We are grateful to all the scientific consultants of this paper.

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اطلاعات دوره: 
  • سال: 

    1389
  • دوره: 

    6
  • شماره: 

    20
  • صفحات: 

    159-178
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    3292
  • دانلود: 

    529
چکیده: 

نظریه حد وسط ارسطویی یکی از مهم ترین مبانی اخلاق ارسطویی است که بسیاری از اندیشمندان و فیلسوفان اخلاق در دوره های طولانی عصر اندیشه فلسفی بر آن تاکید نموده اند. به این نظریه انتقاداتی شده که بسیاری از آنها ناشی از عدم فهم صحیح در تبیین حد وسط از دیدگاه ارسطو است. در این مقاله ضمن تبیین مفهوم حد وسط از دیدگاه ارسطو، بین دو مورد تفاوت گذاشته شده است:1. حد وسط حقیقی به عنوان فضیلت کامل و جامع همه فضایل؛2. حد وسط در افعال و انفعالات به عنوان یک قاعده کلی عملی جهت تعیین حد وسط های جزیی برای رسیدن به حد وسط حقیقی.چون مفاهیمی مانند سعادت و فضیلت ارتباط مستقیمی با تبیین این نظریه دارد این دو مفهوم از نظر ارسطو مورد بررسی قرار گرفته است.

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بازدید 3292

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نویسندگان: 

نشریه: 

VIRTUAL

اطلاعات دوره: 
  • سال: 

    621
  • دوره: 

    1
  • شماره: 

    1
  • صفحات: 

    83-83
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    30
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

شاخص‌های تعامل:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

بازدید 30

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نویسندگان: 

LO A.W.

نشریه: 

ECONOMETRICA

اطلاعات دوره: 
  • سال: 

    1991
  • دوره: 

    59
  • شماره: 

    5
  • صفحات: 

    1279-1313
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    193
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

شاخص‌های تعامل:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

بازدید 193

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