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Issue Info: 
  • Year: 

    2021
  • Volume: 

    52
  • Issue: 

    2
  • Pages: 

    51-66
Measures: 
  • Citations: 

    0
  • Views: 

    177
  • Downloads: 

    24
Abstract: 

Water Water deficit especially after heading is one of the most effective factors of wheat yield loss in Iran and across the world and identifying the physiological traits related to plant resilience is of great importance in screening for tolerant varieties. The objective of this study was to evaluate the variation in stem reserves accumulation capacity and its relationship with remobilization in some wheat cultivars. 22 wheat cultivars were cultivated in a split plot design with three replications, full irrigation and 40% of field capacity being main plots. The amount of accumulation and remobilization was estimated by measuring internodes weight and stem soluble carbohydrates content (WSC). Significant genotypic variation among cultivars was observed under both normal and drought conditions. Maximum accumulation was found in lower internodes followed by peduncle and penultimate using dry weight measurement method. In WSC measurement method, however, maximum accumulation was observed in penultimate followed by lower internodes and peduncle. Cultivars ranking based on accumulation was also different in two methods. Drought stress caused decline in internodes weight, WSC and yield and remobilization efficiency. The specific stem weight had the highest correlation with remobilization. Significant correlation was found between grain yield and remobilization, specific stem weight and WSC.

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

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Journal: 

DIDGAH

Issue Info: 
  • Year: 

    2012
  • Volume: 

    -
  • Issue: 

    -
  • Pages: 

    59-74
Measures: 
  • Citations: 

    0
  • Views: 

    2031
  • Downloads: 

    0
Keywords: 
Abstract: 

Deep-sea vessels use various navigational aids like AIS (automatic identification system), ECDIS (electronic chart display and information system), radar, GPS (global positioning system), and etc. vessels use AIS to communicate their navigational characteristics, destinations, and load information. Such data are very helpful for vessel officers; therefore, AIS can be used for communicating the name and position of the vessel as well as navigational signs in the port area. So, this system is very helpful in improving the quality of pilotage as well as improving the safety of navigation in canals like Khur Musa.

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

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Issue Info: 
  • Year: 

    2023
  • Volume: 

    2
  • Issue: 

    3 (پیاپی 5)
  • Pages: 

    51-61
Measures: 
  • Citations: 

    0
  • Views: 

    192
  • Downloads: 

    26
Abstract: 

Purpose: Food security is a critical global challenge that is influenced by research and innovation in the field. Therefore, the objective of this study is to analyze the scientific output of developing countries in food security and examine its relationship with patents and Gross Domestic Product (GDP).Methodology: This applied research utilized the Scientometric approach. A total of 8,416 papers published between 1992-2023 in the field of food security by developing countries were included in the study using citation databases from Clarivate Analytics. Additionally, patent registrations from the WIPO database and GDP data from the World Bank were analyzed. Information was collected through note-taking, and the data was analyzed using Pearson's correlation coefficient.Findings: The findings reveal an upward trend in the publication and citation of scientific outputs related to food security in developing countries. China has higher numbers of papers, patents, GDP, and food production index compared to Iran, Japan, and South Korea. There is also a positive correlation observed between population and the number of papers, gross production and the number of papers, food production and the number of published papers, as well as the number of patents and papers citing scientific outputs of countries.Conclusion: These results highlight the significant relationship between increasing scientific output, GDP, the number of patents, and food security. Greater emphasis on food security contributes to enhanced scientific output, GDP, and innovation. Similarly, increasing scientific output, GDP, and innovation positively impact food security in countries.Value: This study emphasizes the importance of scientific outputs in driving technological advancements, innovations, and ultimately, ensuring food security in developing countries.

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

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Writer: 

زارعی مریم

Issue Info: 
  • Year: 

    1396
  • Volume: 

    7
Measures: 
  • Views: 

    4684
  • Downloads: 

    0
Abstract: 

واقعیت مجازی، نوعی فناوری برای ایجاد تعامل بین انسان و رایانه است که توسط آن داده های پیچیده تبدیل به تصویر، صوت و عوامل تحریک حواس شخص می شود تا حضور واقعی در محیط مجازی به او القا شود. یکی از مزایای واقعیت مجازی، بهره گیری از آن به عنوان یک ابزار جدید در حوزه هنر معماری، برای شبیه سازی بنا قبل از ساخت است. بدین ترتیب، می توان از لحاظ بصری و طراحی هنری، تناسب به کار رفته در طراحی پروژه را بررسی نموده و از خطاهای احتمالی در حین طراحی جلوگیری نمود. در پژوهش حاضر، به بیان اهمیت همگام سازی طراحی معماری با تکنولوژی های جدید و کارآمدی مانند فناوری واقعیت مجازی پرداخته شده است. با توجه به نوظهور بودن این فناوری در ایران، شناخت قابلیت ها و کاربردهای آن در زمینه هایی هم چون معماری، که کم تر مورد بحث و بررسی قرار گرفته است، ضروری است. اطلاعات مورد استفاده به منظور شناخت فناوری واقعیت مجازی و نحوه استفاده از آن در طراحی معماری، از طریق مطالعات کتابخانه ای و نیز تجزیه و تحلیل منابع خارجی مرتبط، گردآوری شده است. شناخت قابلیت ها و ﮐﺎرﺑﺮدﻫﺎی واﻗﻌﯿﺖﻣﺠﺎزی، و به دنبال آن به کارگیری گسترده این تکنولوژی، ﻣﯽ ﺗﻮاند انقلابی در معماری و طراحی به وجود آورد و داﻣﻨﻪ اﺳﺘﻔﺎده از آن را در اﯾﺮان ﮔﺴﺘﺮش دهد. استفاده از این فناوری توسط معماران، تنها راه شناسایی پتانسیل ها و کمبودهای آن در حوزه معماری و به ویژه طراحی داخلی است. بنابراین، مداخله معماران در بهبود و تکامل این تکنولوژی ضروری است و این امر، تنها با شناساندن و معرفی واقعیت مجازی به طور گسترده در جامعه مهندسی حاصل خواهد شد.

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

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Issue Info: 
  • Year: 

    2020
  • Volume: 

    19
  • Issue: 

    5
  • Pages: 

    399-407
Measures: 
  • Citations: 

    0
  • Views: 

    260
  • Downloads: 

    0
Abstract: 

Background and Objective: Colon cancer is one of the most prevalent cancers among different societies around the world for which some diagnostic modalities have been developed. With CT colonography there is the possibility of observing extracolonic findings which might have significant clinical importance. Here we evaluated the frequencies of extracolonic findings. Subjects and Methods: This cross sectional study was performed from 2016 to 2019 in Isfahan on 402 patients with colon problems who had CT colonography imaging. Data regarding on extracolonic findings with moderate to significant importance were collected by questionnaire from patients ct reports and analyzed. Results: There were significant relationships between total extracolonic findings and findings with moderate importance like: (Abdominal aortic aneurysm below5, Ovarian lesion possibly just a cyst, Lung nodule. Hydronephrosis likely chronic puj, Mesenteric penniculitis, Pancreas cysts, Psoas asymmetry Small pericardial effusion, Small kidney possible renal artery stenosis, Mild porcelain gallbladder) as well as with age These findings were more frequent at older ages (P <0. 001). Discussion: Generally, these results indicated that CT colonography in patients with colon problems especially patients at older ages might lead to find extracolonic findings with high importance like: ( Possible malignancy e, g lung or solid organ mass lymphadenopathy, Abdominal aortic aneurysm more than 5, Bone fracture, Adrenal hemmorhage, Pneumonia, Considerable hydronephrosis, Bone lesion Appendix mucinous tumour, Diverticulitis with abcess or perfusion, Severe porcelain gall bladder).

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

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Issue Info: 
  • Year: 

    2024
  • Volume: 

    6
  • Issue: 

    1
  • Pages: 

    69-76
Measures: 
  • Citations: 

    0
  • Views: 

    53
  • Downloads: 

    0
Abstract: 

Introduction: Social responsibility from an ethical point of view includes the obligations and duties of natural and legal persons towards society and the environment. The moral behavior of people, like understanding of social responsibility, depends on their liberal ideology, beliefs and human values. Therefore, the aim of the current research is to study the relationship between liberalism and human values with the moral understanding of social responsibility. Material & Methods: The research method is applied in terms of purpose and descriptive-correlational survey. The statistical population includes the financial managers of the companies admitted to the stock exchange, and the questionnaire was randomly distributed among them and 110 questionnaires were received. The sampling method is random. The research tool is a questionnaire and multivariate regression using SPSS software was used to analyze the data. Results: The research results show that human values based on public interest have a significant and positive relationship with the moral understanding of social responsibility. But the thinking of liberalism does not have a meaningful relationship with the moral understanding of social responsibility. Conclusion: Based on the findings of this research, human values based on public interest can be considered as a tool to strengthen the moral behavior of company managers regarding corporate social responsibility. Also, improving the thinking of liberalism in managers can strengthen their social responsibility. In this case, the policy makers of Stock Exchange can direct the managers of the listed companies to comply more with the social responsibility of the company, through teaching human values and strengthening those values, as well as monitoring the implementation of ethical regulations

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

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Author(s): 

Issue Info: 
  • Year: 

    0
  • Volume: 

    20
  • Issue: 

    107
  • Pages: 

    2112-2124
Measures: 
  • Citations: 

    1
  • Views: 

    186
  • Downloads: 

    0
Keywords: 
Abstract: 

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

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Issue Info: 
  • Year: 

    2024
  • Volume: 

    6
  • Issue: 

    1
  • Pages: 

    55-59
Measures: 
  • Citations: 

    0
  • Views: 

    59
  • Downloads: 

    0
Abstract: 

Introduction: Ethical leadership is leadership focused on appropriate behavior through respect for ethics and values, as well as the rights and dignity of others. Ethical leadership can add value to businesses by motivating employees and fulfilling company values. Therefore, the present research was conducted with the aim of analyzing the relationship between ethical leadership and cooperative social responsibility and the moral climate of the organization. Material & Methods: The current research is applied in terms of purpose and descriptive and correlational in terms of data collection method. The statistical population of this research included all employees of Management and Science University (MSU) in Malaysia. Among them, 200 people were selected as the research sample using a simple random sampling method. A standard questionnaire was used to collect data. The data was analyzed by structural equation modeling method. Results: The results of statistical analysis showed that ethical leadership has a direct and positive effect on cooperative social responsibility and ethical climate. Also, moral climate has a direct and positive effect on cooperative social responsibility. At the same time, ethical leadership has an indirect and positive effect on cooperative social responsibility through the mediation of ethical climate. Conclusion: Ethical leadership can affect their social responsibility by inspiring employees to motivate and align with the company's values. The results of this research showed that ethical leadership leads to greater employee satisfaction and collaborative responsibility and leads to the formation of an ethical atmosphere in the organization

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

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Issue Info: 
  • Year: 

    2020
  • Volume: 

    15
  • Issue: 

    1 (57)
  • Pages: 

    189-214
Measures: 
  • Citations: 

    0
  • Views: 

    374
  • Downloads: 

    0
Abstract: 

Virtual leisure is one of the new type of leisure in today society that has significant impact on intergenerational relationships. Virtual social networks with quick and easy access, overlap in time and space and provide special conditions for leisure. The main purpose of the article is to study the relationship between duration of use of virtual social network as virtual leisure and audience of these networks and its effect on intergenerational relationships; with consideration of zimel and mead theories. Survey method were applied with 1200 people as sample at national level. Results indicates there is a relationship between generational period and leisure in virtual social networks, there is also a reverse relationship duration of use of the virtual social networks and interaction between generations. With increase the time duration uses of these leisure, reduction occurs in intergenerational communication in the family. Different generational groups communicate in virtual social networks. There is no relationship between intergenerational communication and audience in the virtual social networks, and communication with family and relatives, did not result strengthening generational interaction. Increased membership in social networks has caused change the leisure pattern towards an active in cyberspace; such condition has the considerable effect on intergenerational relationships and changes in lifestyle. Also, spending virtual collective leisure time, even if with the family, does not lead to the strengthening of generational relationships.

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

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Author(s): 

ZOKAEI M.S. | KHATIBI F.

Journal: 

SOCIAL SCIENCES

Issue Info: 
  • Year: 

    2006
  • Volume: 

    -
  • Issue: 

    33
  • Pages: 

    111-153
Measures: 
  • Citations: 

    5
  • Views: 

    5399
  • Downloads: 

    0
Abstract: 

Presence in virtual space, whether for professional purposes or for recreation, whether continuously or intermittently leaves deep impacts on different aspects of identity and lifestyles, specifically on youth as the biggest virtual space audience. Internet users, depending on the objective and subjective structures of their surrounding environment, experience a wide variety of impacts. Drawing on an internet survey of 305 professional and recreational internet users and some qualitative interviews, the present paper aims at investigating the impacts of exposure to internet on youths' identity. The findings suggest that exposure 10 virtual space promotes the formation of modern identity, particularly on professional users. Similarly formation of a modern identity in turn depends on the level and. type of consumption and the way users present and manage themselves on the net.

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

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