27 research outputs found

    The comparison of subjectivism in idealism with the Suhrawardi's subjectivism

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    This article aims to compare the subjectivism in the school of idealism with the Suhrawardi's school by using the qualitative research method with the content analysis style and came to the conclusion that idealism which is being considered as a part of existence philosophy is an extremist introspection (subjectivism) that the person abandon the evidences across (through) his/her life without any kinds of mass communication with the external world. This individual sinks in his isolation and the possibility of any connection with the surrounded world id unattainable for him, but Suhrawardi believes in the mind however wisdom is not the only source of knowledge and cognition, he believes in the mysticism in this respect that considers the discovery, intuition and illumination as the most noble and dignified stage of cognition. Suhrawardi called his ontology "Noor-al-Noor" (the absolute light and illumination). Because all objects are appeared with the light so naturally they should be defined by the light (illumination). "Noor-al-Noor" or "the absolute illumination" is the absolute existence, and all creatures have their existence from this source and the existential universe is nothing far from the varying (different) degrees of the lightness and darkness. For this reason, the creatures' hierarchy is depending on their proximity (propinquity) with the "Noor-al-Noor"

    Assessing the Digital Library Services in Iran’s Virtual Higher-Education

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    In virtual higher education systems, one of the most important priorities for achieving the goals of education and research refers to the development of digital libraries and its dynamism to provide better and more information services. Ease and speed of access to educational resources in virtual education depends on the quality of digital libraries. Accordingly, the study of virtual higher education in the digital library services is considered as main objective of the research. In this research the documents and survey method is used. The population in this study included all students, teachers and experts in virtual higher education institutions. Sample size included 60 teachers and scholars, who were selected based on Cochran formula among 400 students and random sampling method was used to reach the target student population. The data were collected by using a questionnaire, which its reliability is 0.70. Results of t- test showed that the quality of library services is desirable (t = 10.845, P <0.01) because the index average of the quality of library services (39.36) is greater than the assumed mean (30) and this difference is significant .According to the experts’ viewpoints, (t = 2.644, P <0.05), this situation is favorable because the index mean (33.53) is greater than the assumed mean (30) and this difference is significant. But, according to the students’ viewpoints (t = 1.029, P> 0.05), the quality of library services at moderate downward, because the index mean (29.63) is less than the assumed mean (30). Respectively, this difference was not significant. Overall, the results of the test (t = 1.488, P> 0.05) reflect the quality of library services at moderate to high because the mean of the index (30.5101) is more out of a given (30) and this difference is not also significant

    Evaluation of Effectiveness of Photodynamic Therapy With Low-level Diode Laser in Nonsurgical Treatment of Peri-implantitis

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    Introduction: Side effects related to antibiotic therapy for peri-implantitis are rare in laser therapy (LT); therefore, the aim of this study was to evaluate the effectiveness of LT and photodynamic therapy (PDT) on patients with primary peri-implantitis.Methods: In this randomized clinical trial, 40 implants presenting primary peri-implantitis in 20 patients with a mean age of 52.6 years old were included using the simple sampling technique. Periodontal treatment comprising scaling and root planing (SRP) was accomplished for the whole mouth while mechanical debridement with titanium curettes and air polishing with sodium bicarbonate powder was accomplished around the implants. The implants were randomly divided into two groups and treated with LT (control) and PDT (test). The clinical indices were measured at baseline, 6 weeks and 3 months after treatment. Real-time polymerase chain reaction (PCR) was used for analysis of microbial samples at baseline and 3-month follow-up. Data were analyzed with SPSS 20, using repeated-measures analysis of variance (ANOVA) and Friedman’s and Mann-Whitney tests (α = 0.05).Results: Both groups showed statistically significant improvements in terms of bleeding on probing (P < 0.001), probing pocket depth (PPD) (P = 0.006) and modified plaque index (P < 0.001), with no significant differences between the 2 groups (P > 0.05). The number of Aggregatibacter actinomycetemcomitans (P = 0.022), Tannerella forsythia (P = 0.038) and Porphyromonas gingivalis (P = 0.05) in the test group and Porphyromonas gingivalis (P = 0.015) in the control group significantly decreased.Conclusion: The results suggested that LT and PDT have significant short-term benefits in the treatment of primary peri-implantitis

    The effect of descriptive evaluation of elementary school third grade subjects on academic achievement of students

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    The goal of this research was the effect of descriptive evaluation of elementary school third grade subjects on academic achievement of students and its comparison with traditional evaluation. The statistical population of the research included all female third grade students of elementary schools in ZarrinShahr in academic year of 2012-2013 who were a total number of 742 students as well as the elementary school third grade teachers who were a number of 34 teachers. Among them a number of 147 students and 28 teachers were selected via cluster sampling. Research methodology in this study was of survey-descriptive type. The research tools were checklists and a questionnaire of opinion toll, made by the researcher. To assess the validity of the tools used, the face validity and content validity were used and the validity of the questionnaire was estimated as a=0.93. Chi square test was used to analyze the research questions. The results of the research showed that using different methods of descriptive evaluation has been effective in improving the students’ performances in such subjects as the Holy Quran, social sciences, arts, science & Persian, while it has not been effective in improving their performances in such subjects as heavenly gifts (the Holy Quran for elementary students) and mathematics. Finally, the results of opinion toll showed that the teachers found descriptive evaluation more suitable than traditional evaluation in evaluating all the third grade subjects of elementary school. Keywords: Evaluation, Descriptive evaluation, Traditional evaluation, Students’ performances

    High-Methoxyl Apple Pectin Improves Rheological Properties and Storage Stability of the Flavored Probiotic Yogurt Drinks, Compared to Pomegranate Pectin

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    Background and Objective: Use of pectin has attracted interests in food and nutraceutical industries, owing to its positive effects on stability of dairy drinks and potential health benefits to humans. Furthermore, demands for the production of stable fermented milk drinks during storage period is high. Therefore, the aim of this study was to assess effects of apple and pomegranate pectins as stabilizers on various characteristics of probiotic yogurt drinks. Material and Methods: Apple and pomegranate pectins at concentrations of 0-0.5% (w v-1) were added to the probiotic yogurt drinks containing 2% of inulin and 12% of pomegranate juice. Then, rheological behavior, particle size distribution and stability of probiotic yogurt drinks were studied during storage. Results and Conclusion: Control (treatments with no pectin addition) and probiotic yogurt drinks containing pomegranate pectin (0.1-0.5%) showed Newtonian flow behavior and liquid-like behavior over the frequency range. Probiotic yogurt drinks with apple pectin included shear-thinning flow behavior, gel-like network at low frequencies and mean size particle of 50 mm. The highest G' and G" and stabilities during the storage were achieved in samples containing 0.5% of apple pectin. Results demonstrated that apple pectin included great potentials to be used in industrial production of probiotic yogurt drinks as it improved rheological properties and storage stability of the products. Therefore, use of 0.5% apple pectin is suggested in fermented milk drinks. Conflict of interest: The authors declare no conflict of interest

    The Comparison of Subjectivism in Idealism with the Suhrawardi's Subjectivism

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    ABSTRACT. This article aims to compare the subjectivism in the school of idealism with the Suhrawardi's school by using the qualitative research method with the content analysis style and came to the conclusion that idealism which is being considered as a part of existence philosophy is an extremist introspection (subjectivism) that the person abandon the evidences across (through) his/her life without any kinds of mass communication with the external world. This individual sinks in his isolation and the possibility of any connection with the surrounded world id unattainable for him, but Suhrawardi believes in the mind however wisdom is not the only source of knowledge and cognition, he believes in the mysticism in this respect that considers the discovery, intuition and illumination as the most noble and dignified stage of cognition. Suhrawardi called his ontology "Noor-al-Noor" (the absolute light and illumination). Because all objects are appeared with the light so naturally they should be defined by the light (illumination). "Noor-al-Noor" or "the absolute illumination" is the absolute existence, and all creatures have their existence from this source and the existential universe is nothing far from the varying (different) degrees of the lightness and darkness. For this reason, the creatures' hierarchy is depending on their proximity (propinquity) with the "Noor-al-Noor"

    Strategies to reduce the gap between the current and desired status of sexual education of high school students from the perspective of teachersv

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    Background and Aim: Sexual education is one of the important aspects of education that is necessary to pay attention to in the adolescent period, despite significant studies in this field, so far no comprehensive and efficient solutions have been provided to improve the situation of adolescent sexual education. The main goal of this research was to identify the appropriate solutions to reduce the gap between the current and desired sex education in the first year of secondary school, from the teachers' point of view. Methods: The research method is practical in terms of its purpose, descriptive-survey in terms of its nature and method, and the tool for collecting information is a researcher-made questionnaire. The validity of the content of the questionnaire has been checked and confirmed by calculating the Laushe coefficient and the reliability of the questionnaire by testing it and calculating the bisection method. The statistical population of the research was all the teachers and executive staff of the first secondary schools of Hamedan province in 1400, of which 380 people were selected by multi-stage cluster random sampling. T and FREDMAN statistical tests were used in the data analysis in the SPSS22 software environment. Results: 15 strategies were identified to improve the status of sex education in schools. Placing content related to sexual education in textbooks makes all schools obliged to present those topics to students and already with educational design, consider various educational elements and comprehensive and efficient education in this have context The participation of parents and teachers in the sexual education of students and the preparation of parents in terms of motivational factors, knowledge and ability in the sexual education of adolescents makes the education more effective in this field. The inclusion of an extra-curricular lesson with the title of "deserving boys and girls" in schools will provide opportunities for education related to sexual education to students jointly at the level of all schools. The attractive title of the lesson makes students more interested in these topics. Conclusion: Considering that the modesty of a number of students prevents them from asking confidential questions in the field of sexual issues, the use of indirect education tools such as question boxes and non-present communication channels can be effective in the sexual education of students

    Employees’ opinion in Tehran University of Medical Sciences (TUMS) on usability of in-service electronic training courses

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    Introduction: Usability is one of the issues that must be considered in designing effective e-learning courses. The aim of this study was evaluating employees’ opinion in Tehran University of Medical Sciences (TUMS) about usability of in-service electronic training courses. Methods: This descriptive cross sectional study was conducted on employees in Tehran University of Medical Sciences, working in the fields of health care, finance and logistics, cultural and educational affairs. They had participated in electronic in-service training courses. Random stratified sampling was used to select 651 eligible employees to complete a 21 item questionnaire on usability, learning ability, and satisfaction based on Likert scale. Content validity and reliability of the questionnaire were confirmed in a pilot study and by Cronbach’s alpha coefficient, respectively. Data were analyzed by statistical tests such as Student’s T test and One Way ANOVA with Bonferroni Post Hoc test based on the type of variable in SPSS 16. Results: The mean score and SD of the employees’ viewpoints regarding learning ability was 3.4 ± 0.5, satisfaction 3.7 ± 0.7, and usability 3.2 ± 0.5. Based on the results, variables of job field, location of computer access, ability to use computer, internet access, and motivation to participate in e-courses showed a significant correlation with usability. Conclusion: The findings showed that the usability of e-courses from the viewpoint of the university employees seems acceptable. Employees’ computer knowledge and their accessibility to software and hardware were influential to usability of educational courses
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