Showing 66 results for Hosseinzadeh
Volume 2, Issue 2 (Summer 2018)
Abstract
Fiber production in nanoscale prepares high surface contact for fibers and leads to the improvement of their properties with respect to other fibers. A convenient and effective method for nanofiber production with different diameters is electrospinning. Various effective parameters on electrospinning processes, including environmental, equipment, and solution variables can produce fibers with different morphologies. PVA has been used in various fields of applied research because of its high thermal stability, biocompatibility, non-toxic and solubility in water. The published reports indicated that properties of the PVA are improved with the addition of bentonite. In this research, to prepare PVA/nano-bentonite nanofiber membrane, the optimum amounts of three effective variables on the above-mentioned processes were determined. According to the obtained results, the voltage of 11 kV, the feeding rate of 0.5 mL/h and bentonite concentration of 3% w/w were optimum conditions for the process of PVA/nano-bentonite nanofiber composite production. In this condition, the average diameter of produced nanofibers was 243 nm with the standard deviation of 0.0551 and the tensile strength of 7.64 MPa. The results showed that the addition of bentonite to PVA increase intensity of nanofibers and decrease the diameter of nanofibers from 308 nm to 243nm.Therfore, the produced PVA/bentonite nanofiber composite is a good membrane for water treatment.
Volume 2, Issue 3 ((Articles in Persian) 2011)
Abstract
Since the earlier times, stories on prophets, miracles and their adventurous and instructive life have received special attention as effective elements in the literature domain, embellished literary works and attracted attention of huge number of readers. One of the most enticing, influential and noteworthy of these stories is on Jesus Christ. In the literature of the past, most of the poetical interpretations of him are more under the influence of Islamic point of view and less on Christian one, which in most part is in conflict with Islamic trend of thought on some significant issues. In the modern literature and specially the contemporary Arabic and Persian poetry, the Islamic interpretation of Jesus is encountered by a considerable Christian turn and some concepts like Jesus' sufferings, his crucification, his sacrifice for redeeming the human’s sins and his resurrection after death derived from Gospel find their way into poetical works. These concepts have been converted into mythical and symbolic ones in the Christian art and considerably aid poets in expression of internal anxieties, victimized nations’ suffering, cruelty of governors, cruel governments and so on. Adonis and Ahmad Shamloo are two modernist and experimentalist poets that some parts of their poetry are devoted to symbolic and mythological depiction of Jesus Christ. Relying on American school in comparative study, this comparative study attempts to investigate the motif of Jesus in Adonis and Shamloo’s poetry in a comparative manner and analyze some considerable issues in their poetry including Jesus’ Christian or Islamic aspects, the styles of these two in depicting him, their points of commonality and difference in Jesus' symbolic interpretations and success or failure of each in applying these symbols.
Volume 5, Issue 4 (12-2017)
Abstract
Autobiographical narrative in which only a first-person audio and written, whow the author explains in his life. Made a contract with the reader, he recounts the facts of his life, or parts of it. But, the famous french writer Georges Perec and Nathalie Sarraute that the two are, in their books are narrated duet. Sarraute, in a book called Childhood, forced to use the first-person narrator's inner dialogue, dark spots and delusions that recounting every memory with its integrated. But Georges Perec, in his autobiography, apparently, from his childhood, the two narrations: first real and second, all of it is fiction. First, we think that in the second story the narrator does not have anything to do with child, But then we see that as an analogy of his life. In addition, both authors refer to the lies that are included in their story. This process is incompatible with the truth implicit contract. This article will provide a comparative analysis of the two works show an autobiography, which should in principle be monophony is why duet, what is the function of sound or narration second as metatext, and what's the role of imagination in the difficult process of recovery.
Volume 7, Issue 4 (Fall 2019)
Abstract
Aims: Species distribution models (SDMs) are predictive models for species’ geographic distributions which are in association with environmental factors and presence of species. SDMs are important for a variety of applications in systematics, ecology, and conservation. The genus Ziziphus Mill. (Rhamnaceae) comprises six species in Iran including Z. spina-christi, Z. nummularia, Z. jujuba, Z. mauritiana, Z. lotus, and Z. oxyphylla. Out of which, Z. jujuba is a common species of the genus.
Materials & Methods: In this study, 43 occurrences of Ziziphus jujuba were recorded and used in the maximum entropy distribution modeling approach (MaxEnt) with five environmental variables. Three important variables: bio6 (Min Temperature of Coldest Month, 24.3%), bio8 (Mean Temperature of Wettest Quarter, 23%), bio9 (Mean Temperature of Driest Quarter, 20.5%) include 67.8% of all percentage contribution in the final model.
Findings: Slope, five temperate and two precipitation variables influenced our final model. The most suitable habitats are located in eastern Iran which completely corresponds to South Khorasan province and central Iran. Additionally, the species is distributed in northern Iran as well but our model doesn’t show northern Iran as the most suitable habitat for Z. jujuba which probably related to the species has been cultivated in that place.
Conclusion: Temperature is one of the most important factors in the distribution of Z. jujuba and it is compatible with that Jujube trees raise in arid and semiarid zones. However, the predictable habitats are distributed in central and eastern Iran which partly corresponds to South Khorasan province.
Volume 8, Issue 1 (Winter 2020)
Abstract
Aims: Eucalyptus camaldulensis is one of the most productive and best adapted species in the afforestation. The aim of the present study was to investigate the growth and survival rate of five Eucalyptus camaldulensis provenances (two from Mazandaran, one from Guilan, one from Ahwaz, and one from Ilam) at the Research Center of Tropical Plants in Mehran, Iran, during 2009-2013. Materials & Methods: The experiment was carried out in Mehran Research Station in Ilam Province with a randomized complete block design and three replications, at 25 plants in each block at a distance of 4×4m. At the end of the growing season, survival, height, circumference at breast height (C.B.H), canopy diameter growth (C.D.G) 147 trees were evaluated.
Findings: The result of ANOVA indicated a significant difference between the provenance origins for all traits (p<0.01). The survival rate of the studied provenances ranged from 41.7% to 98.3%, whereas Shafarood and Mehran provenances had the highest rate of survival. The mean of annual height growth of five studied provenances varied from 64.57 to 205.29cm. In addition, the characteristics of C.B.H and C.D.G in the selected provenances ranged between 3.60 to 9.44 and 25.51 to 75.26cm, respectively. Among the above mentioned characteristics, Shafarood followed by Ahwaz had the greatest values.
Conclusion: The seedlings from the Shafarood origin indicated the highest average in all the studied characteristics. The results provide useful information for choice of E. camaldulensis provenances to apply future afforestation in the Mehran region.
Volume 8, Issue 3 (10-2004)
Abstract
Mohammad Jafar Habibzadeh
Associate Professor of Law, tarbiat Modarres University
Javad Hosseinzadeh
Assistant Professor, Institution of High Education of Jeehade Daneshgahi
The Guardian Council under the Art. 99 of the Constitutional Law is responsible for the supervision of the parliament elections – takes action to establish permanent supervisory offices in the provinces. The Home Office and some Istambuls, as responsibles for the performance bond, announce that the mentioned offices are illegal. They also forbid collaboration with these offices by issuing of notices and directives. The result of the this struggle is the action of Guardian Council in Administrative Tribunal of Justice which led to the pass of the “sentence number 229” which nollifys the aforesaid notices and directions. In this article, free from for and against political discussions, we try to analyse the parties’ reasons and the sentence 229 by paying attention to the legal doctrines and guidelines. Finally, it has been concluded the order of the Tribunal has many formal and substantial problems. Also, it could not be regarded as a basis for the legality of the mentioned offices.
Volume 8, Issue 3 (Summer 2020)
Abstract
Mouflon (Ovis orientalis, Linnaeus, 1758) is a mammal with four subspecies in Iran. Ovis orientalis arkal is one of the subspecies that is distributed in east and northeast of Iran. This subspecies, like other Iranian mammals' species, is vulnerable in International Union for Conservation of Nature (IUCN). If necessary, actions are not considered for the protection of this species, it faces extinction in Iran. The study and identification of mammals' ticks are vital since ticks are one of the most important factors that can transmit many dangerous diseases to animals. They transmit viral, unicellular and rickettsia factors which may cause encephalitis, tularaemia, paralysis, and poisoning in animals and human as well. In the present study, hard ticks of Ovis orientalis arkal in Tandooreh and Hezar Masjed Mountains were surveyed during the period 2014-2015.
In the present study, 175 ticks have been separated from eight heads of Ovis orientalis arkals' carcasses. After maintaining ticks in vials consisting glycerine 5% and alcohol 75%, they were transferred to the laboratory and identification was done. Based on the results, hard ticks were recorded. They include Dermacentor, Rhipicephalus, Hyalomma, Haemaphysalis, and Dermacentor marginatus (Sulzer, 1776) which have been reported for the first time in this study.
Volume 8, Issue 4 (Fall 2020)
Abstract
Aims: The Zagros Mountains are a part of the 20th global hotspot, the Irano-Anatolian biodiversity hotspot. In this study, we aim to develop a comprehensive checklist of endemic herpetofauna species in the Zagros Mountains as one of the biodiversity hotspot regions, to provide more information about this important area and the necessity of conservation programs to protect it.
Materials & Methods: The Zagros Mountains, with an area of about 533,543km2, ranges from Turkey and Iraq to western and southwestern Iran along the eastern edge of the Persian Gulf. A list of endemic species has been collected from the literature review.
Findings: This region contains 3 species and 7 subspecies of endemic amphibians belonging to three genera and two families, the Salamandridae (8) and the Bufonidae (2). Neurergus and Calliopersa are endemic to this hotspot. There are 40 species and 6 subspecies of endemic reptiles belonging to 24 genera and 10 families. The families with the greatest number of endemic species are the Gekkonidae, Phyllodactylidae, and Colubridae. Three genera, Asaccus, Mediodactylus, and Eirenis, dominate the region, with 32 endemic taxa. There are also two endemic genera, Parsigecko and Lakigecko.
Conclusion: Many amphibians in the Zagros Mountains, especially all the species of the genus Neurergus, are categorized in IUCN (the International Union for Conservation of Nature) Red List and CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora). The habitats of the Zagros Mountains herpetofauna, especially those of endangered and endemic species, should be protected and managed to maintain or restore populations of the declining species.
Volume 8, Issue 4 (winter 2020)
Abstract
"Nothingness" is one of the complex philosophical and mystical issues which its meaning can answer one of the most important ontological problems, namely the beginning and end of the world. The reflection of the meanings of nothingness in Islamic mysticism and Buddhism can be considered. Rumi as one of the great Islamic mystics, has used the Nothingness in many meanings. In Buddhist texts, Prajñāpāramitā and Mūlamadhyamakakārikā, which are considered as important educational texts of Buddhism, nothingness and its meaning is one of the main and central issues.
In this research, a descriptive-analytical method has been attempted Rumichr('39')s view on nothingness in Masnavi with its meanings in these two texts should be examined. It also introduces two important Buddhist texts. The result shows that to consider nothingness the nature of the phenomena of the universe has been raised in Masnavi and these two texts. But to consider that nothingness is the beginning and the end of phenomena, God or absolute Truth and the ultimate goal of the seeker, are meanings that are mentioned with differences in the texts. The root of these differences can be found in the type of knowledge and ontology of Islam and Buddhism. In Islamic mysticism,God is the creator of the existence and the end of the seeker; whereas in Buddhist texts the world comes from nothingness and goes to nothingness And the seekerchr('39')s goal is to get rid of suffering and reach Nirvana.
Volume 8, Issue 30 (Summer 2015)
Abstract
The scholars who study mystical experience are often divided into two main groups. The first group is advocates of “essentialism.” The advocates of essentialism believe that mystical experience is self-determining and mind-independent; therefore they think all mystical experiences share the same essence and features that are universal and trans-cultural. The second group has a constructivist approach. For them, there is a fundamental relationship between mind of the mystic and hisher mystical experiences. They believe that former experiences and backgrounds form the mystical experience and therefore the mystical experience is an individual phenomenon affected by the mind, language, and traditions of the mystic. This article defends the constructivist approach by providing various evidences from the mystical experiences of Ruzbihan that is reported in his spiritual autobiography, Kashf al-Asrar. To do this, as one of the most important component of Rouzbahan’s cognitive world, we analyze his tendency toward concrete, tangible, and embodied phenomena. The result of this research demonstrates that, as constructivists scholars have said, Ruzbihan’s belief that “the human body is the manifestation of God” led him to attribute anthropomorphic features to God and angels in his mystical experiences and visionary dreams
Volume 9, Issue 1 (3-2023)
Abstract
During the collection of Ichneumonidae from West Azarbaijan province in the northwest of Iran in 2019, we collected a specimen belonging to the subfamily Tersilochinae and identified it as Aneuclis pumilus (Holmgren). This is a new record of this species for the Iranian fauna. A checklist of all known Iranian species of the subfamily is provided.
Volume 10, Issue 2 (Spring 2024)
Abstract
Background: Methicillin-resistant staphylococci (MRS) are regarded as a global public health threat. Physicians are restricted in their treatment options due to resistance to aminoglycosides and tetracycline derivatives. This study investigated aminoglycoside and tetracycline derivative resistance among Staphylococcus isolates in Shiraz, southwestern Iran.
Materials & Methods: Totally, 113 staphylococcal isolates were recovered from different clinical samples in Nemazee Teaching Hospital from October 2019 to January 2020. Kirby-Bauer disc diffusion method was performed to assess the antimicrobial susceptibility of the isolates against aminoglycoside and tetracycline antibiotics. Aminoglycoside-modifying enzymes (AMEs) and tet genes were investigated among staphylococci isolates using polymerase chain reactions (PCR).
Findings: MRS prevalence among Staphylococcus isolates was 61% (69 of 113). The majority of MRS isolates were obtained from blood (39.1%; 27 of 69) and urine (17.4%; 12 of 69). The highest prevalence of MRS isolates was among emergency room patients (34.8%; 24 of 69). The highest resistance of MRS isolates was against tobramycin (59.4%; 41 of 69) and tetracycline (55.1%; 38 of 69). The prevalence of tetM and aac (6')-Ie-aph (2'') genes was significantly higher among MRS compared with methicillin-sensitive staphylococci (MSS) (87.5% vs 12.5% and 95.6% vs 6.4%, respectively) (p= .001).
Conclusion: The prevalence of MRS isolates, including methicillin-resistant S. aureus (MRSA) and methicillin-resistant coagulase-negative staphylococci (MRCoNS), was remarkable in Shiraz as the center of medical services in the southwest of Iran. Furthermore, these MRS isolates were highly resistant to aminoglycosides and tetracyclines. Therefore, antimicrobial stewardship is necessary to address health conditions.
Volume 10, Issue 3 (Summer 2022)
Abstract
Aims: In this study, more expedition work has been done to clarify distribution map of the Bungarus persicus. In addition, providing more specimens to confirm occurrence of the species.
Materials and Methods: The Persian Krait, Bungarus persicus, was described based on two specimens from Baluchistan, southeastern Iran. On 5 September 2020, collected from the Tidar region, Bashagard, Hormozgan Province, southern Iran. Also, another road killed individual, was found at the same location. Further evidences provided that indicate the local population of Bungarus persicus in southeastern Iran belongs to the Bungarus sindanus complex.
Conclusion: However, further molecular studies on Iranian Bungarus are necessary to clarify the species validity of Bungarus persicus and evaluate its similarity with the other congeners.
Volume 10, Issue 3 (9-2024)
Abstract
Species of the subfamily Diplazontinae (Hym.: Ichneumonidae) were studied in West Azarbaijan province (Northwest of Iran). The specimens were collected using Malaise traps, during 2019–2020. Five species belonging to three genera were collected and identified. One species, Homotropus riedeli Johansson, 2020 was a new record for Iran as well as Asia. The distribution range of this species extends from Sweden to the north-west of Iran. A checklist is being compiled for 27 known Iranian species of this subfamily. In addition, a distribution map based on the recorded areas for each species within the Iranian provinces has been provided. We proposed a new direction for future biodiversity inventories of this subfamily in Iran.
Volume 11, Issue 2 (Spring 2023)
Abstract
Aims: Evaluating diabetics’ health-promoting behaviors is an essential part of nursing care. This study aimed to examine the relationship between health-promoting behaviors and perceived social support from the family in patients with type 2 diabetes.
Instrument & Methods: This was a descriptive cross-sectional study. The data were collected from a foundation university hospital in Tabriz, Iran. The sample consisted of 183 type 2 diabetes patients. Data were collected using the Perceived Social Support from Family and Health-Promoting Behaviors scales.
Findings: The average score of social support was 15.07±6.74 (range: 0 to 20), and the average score of health-promoting behaviors was 49.62±17.74 (range: 0 to 112). There was a significant and positive correlation between the scores of health-promoting behaviors and perceived social support (r=0.28, p<0.001). We predicted the changes in health-promoting behaviors based on the regression analysis of the changes in perceived social support from the family (B=0.563).
Conclusions: Family social support affects health-promoting behaviors in type 2 diabetes patients, and should be considered during interventions to improve health-promoting behaviors by nurses and other healthcare providers. We suggest other descriptive correlational studies with a higher sample size and interventional studies on this subject.
Volume 11, Issue 4 (Fall 2023)
Abstract
Aims: The present study aimed to identify the predictors of hand hygiene intention and behavior among nurses using the theory of planned behavior (TPB).
Materials & Methods: This cross-sectional study was conducted on nurses working in a public hospital in Tehran in 2016-2017. In total, 196 nurses were enrolled in this study and selected through random sampling. Data were collected using a self-administered questionnaire guided by TPB. The validity of the questionnaire was measured using the opinions of 14 scholars and professors. The content validity ratio was measured based on the Lawshi method and the content validity index was measured based on Waltz and Basel method. The test-retest and internal consistency were used to determine the reliability of the questionnaire. Data analysis was performed using SPSS software 16.0 and statistical tests, including multiple regression analysis.
Findings: The attitude toward hand hygiene (p<0.001) and perceived subjective norms (p=0.012) were correlated with nurses’ intentions to hand hygiene. This set explained 56% of the variance in intention to hand hygiene. In addition, Perceived behavioral control was found as the strongest predictor of hand hygiene behavior (p<0.001), which together with subjective norms and intention could predict individuals’ behavior (R2=0.52).
Conclusion: The constructs of the TPB have predictability regarding hand hygiene behavior.
Volume 11, Issue 4 (Fall 2023)
Abstract
Aims: Obesity in adolescent is associated with several negative outcomes. This study aimed to determine factors associated with obesity among female students during the COVID-19 pandemic.
Instrument & Methods: In this descriptive correlational study, a convenience sample of female adolescent students of high schools in Tabriz, Iran (322 students who were classified as obese or overweight) was selected between January and May 2021. An online self-administered questionnaire was distributed through the Shad platform. The survey package included socio-demographic questions, health literacy measures for adolescents, an inventory of determinants of obesity-related behaviors in adolescents, and mother's nutritional literacy. Multiple regression analysis examined associated factors with obesity using SPSS 133. The study adhered to the STROBE guidelines for reporting.
Findings: The mean score of obesity-related behaviors was moderate (124.18±22.35). Participants' mean scores in the domains of lack of support, unhealthy nutrition, physical inactivity, and perceived inability were more than average. Adolescents' health literacy mean score was moderate (167.43±20.06). Mother’s occupation (β=15.73; 95% CI: 7.54 to 23.92; p<0.001) and mother's nutritional literacy (β=-0.88; 95% CI: -1.50 to -0.27; p=0.005) were statistically significant predictors of the obesity-related behavior.
Conclusion: Mothers' nutritional literacy plays a pivotal role in shaping adolescents' behaviors related to obesity; thus, empowering mothers with appropriate knowledge and skills in the field of healthier lifestyles and improving the overall well-being of adolescents is essential.
Volume 12, Issue 1 (Issue 1 (Tome 56)- 2008)
Abstract
In every organization, different employees have different capabilities. for development of these capabilities and linking with corporate strategies, according to each category of capabilities, different HRM styles should be used. The purpose of this paper was to examine the accordance of HRM styles with HR capabilities in industrial companies. So, by reviewing the related approaches, the effective factors in selecting HRM styles were discussed. Then, using "strategic value" and "uniqueness" as strategic capabilities, a classification of four types of workers were developed, and a HRM style was proposed for every type. Then the accordance of HRM styles with strategic capabilities in a sample of industrial companies was examined. Level of human capabilities and HRM styles in every company were determined with questionnaire survey. Finally, the obtained results were discussed and some suggestions were presented.
Volume 12, Issue 4 (3-2023)
Abstract
Storytelling is a marketing strategy that any brand, company, product, or service Can take advantage of it. People remember stories. If a story can evoke emotions in consumers, they will never forget that experience. Thus, it is necessary to pay attention to the effectiveness of the content in storytelling to attract potential customers and build a strong relationship with them. The purpose of the following study is to investigate the effect of story content on increasing customers' purchase intention. Therefore, two types of content were used in the content of a hypothetical brand's story in the form of narrative scripting. One of the contents had a personal plot, and the five other commercial contents had different plots.
The statistical population was the female students of public universities in Tehran. A questionnaire with six scenarios was used as a statically tool that was filled out by 270 students. There was a significant difference between the impact of the mentioned stories on the intention to buy. Also, the story with the social responsibility content had a greater impact on the consumer's purchasing intention in comparison to the other story themes.
Volume 13, Issue 1 (Winter 2025)
Abstract
Aims: Inappropriate dietary habits, particularly the growing tendency to consume fast food, pose significant health challenges in modern society, especially among adolescents. This study aimed to evaluate the effectiveness of a health education program based on the theory of planned behavior in reducing fast food consumption among female high school students.
Materials & Methods: In this study, the sample size was determined to be 38 individuals per group (95% CI and 90% power), but 50 individuals were included to increase accuracy. Thus, cluster random sampling divided 100 students from District 4 of Tehran into control and intervention groups. Data were collected via a valid questionnaire assessed by five health education professors, covering demographic information, knowledge, and theory of planned behavior constructs. The intervention group participated in three 50-minute educational sessions, which included lectures, Q&A discussions, and the distribution of brochures and books. The data were analyzed using SPSS-22, employing statistical tests, such as Kolmogorov-Smirnov, Mann-Whitney U, Chi-square, and independent t-tests.
Findings: Following the educational intervention, the mean scores for attitude (p=0.002), subjective norms (p=0.005), and perceived behavioral control (p=0.005) were significantly higher in the intervention group compared to the control group. However, no significant changes were observed in knowledge (p=0.936), behavioral intention (p=0.393), and behavior (p=0.721) related to reducing fast food consumption.
Conclusion: The educational program based on the theory of planned behavior is effective in improving attitudes, subjective norms, and perceived behavioral control.