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Author(s): 

Issue Info: 
  • Year: 

    0
  • Volume: 

    8
  • Issue: 

    4
  • Pages: 

    412-429
Measures: 
  • Citations: 

    1
  • Views: 

    205
  • 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: 

    2021
  • Volume: 

    24
  • Issue: 

    8
  • Pages: 

    636-642
Measures: 
  • Citations: 

    0
  • Views: 

    126
  • Downloads: 

    61
Abstract: 

Background: This study was designed and conducted to investigate the SPATIAL DISTRIBUTION of permanent and temporary congenital hyperthyroidism (PCH and TCH) in Isfahan. Methods: This study was conducted on neonates who were born from March 21, 2006 to March 20, 2011 and had undergone the congenital hypothyroidism (CH) screening program in counties affiliated to the Isfahan University of Medical Sciences. CH was diagnosed in 958 patients who treated with levothyroxine. The incidence rates of permanent and temporary congenital hypothyroidism in Isfahan province were calculated and their DISTRIBUTION was shown on the map. The space maps were drawn using the ArcGIS software version 9. 3. Results: Based on the data obtained from the screening program, the average incidence of congenital hypothyroidism in the province during the period of 2006– 2011 was 2. 40 infants per 1000 live births (including both PCH and TCH). The most common occurrence was in Ardestan County (10: 1000) and the lowest overall incidence was observed in the Fereydounshahr county (1. 39: 1000). The incidence of PCH in the counties of Ardestan and Golpayegan had the highest rate in all years of study; and the greatest number of TCH cases in the five years were observed in Nain, Natanz, Khansar and Chadegan counties. Conclusion: Adding the time dimension and performing SPATIAL-temporal analysis is suggested because of the following items: high prevalence of CH in Isfahan province, the important role of this disease in mental retardation and neuropsychiatric disorder, the necessity of conducting future medical researches to find possible factors of CH etiology in Isfahan province, as well as necessity of performing SPATIAL analysis with advanced statistical methods.

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: 

    2019
  • Volume: 

    11
  • Issue: 

    6
  • Pages: 

    0-0
Measures: 
  • Citations: 

    1
  • Views: 

    98
  • 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: 

    2016
  • Volume: 

    5
  • Issue: 

    17
  • Pages: 

    149-172
Measures: 
  • Citations: 

    0
  • Views: 

    1595
  • Downloads: 

    0
Abstract: 

One of the basic principles that should be considered in urban planning is that of SPATIAL DISTRIBUTION of population in relation to hazardous contexts for urban population. Earthquake is one of these risks which its occurrence is followed by irreparable damages. Since fault structure of a zone has a direct relationship with seismicity of that very zone, knowing the fault structure and tectonic structure could cause a proper DISTRIBUTION of population centers to these structures because zones with less than five kilometers away from fault zones are considered critical points, which have the highest risk of earthquake damage. Kerman city is always in danger of earthquake due to its seismic location. This study tries to investigate SPATIAL DISTRIBUTION of Kerman city population centers toward fault structure of Kerman city in a descriptive-analytical way. At first, data were prepared from census of population and housing in Kerman in year 2011. Then types of Kerman faults within 30 km distance from the city were identified. And at the end, DISTRIBUTION of population centers in relation with reverse faults, strike-slip faults, normal faults and minor faults were analyzed. The study results indicate that 669 centers of the population attraction centers are located within 20 kilometers and 407 centers are located within 30 kilometers from the reverse fault, 274 centers are located within 20 kilometers and 775 centers are located within 30 kilometers from the strike-slip fault.794 centers are located within 20 kilometers and 282 centers are located within 30 kilometers from the normal fault.699 centers are located within 20 kilometers and 377 centers are located within 30 kilometers from the main fault. At the other hand, 381 centers are located within 4 kilometers and 500 centers are located within 6 kilometers from the minor fault, and three commercial centers, a healthcare center and three educational centers are also located within 800 meters from this kind of fault. In general, commercial and educational centers in study area have the lowest distance to different types of faults, and sports centers have the lowest DISTRIBUTION in the minimum distance of different faults. Due to improper DISTRIBUTION of population attraction centers in the study area, efficient and proper planning for this area is necessary to prevent possible damages.

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

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Author(s): 

Faraji Hassan

Issue Info: 
  • Year: 

    2023
  • Volume: 

    13
  • Issue: 

    3
  • Pages: 

    31-45
Measures: 
  • Citations: 

    0
  • Views: 

    138
  • Downloads: 

    16
Abstract: 

A B S T R A C TFor choosing suitable place multiple methods are introduced, which examine the qualities, methods and patterns of location selection. The current methods use global approach and do not pay attention to SPATIAL differences, environmental variation in variables, local changes modeled by local weighting indicators. It has been selected as a case study to evaluate the EMS center of Fars province and to evaluate the indicators of distance from the power plant, distance from logistics centers, industries, transportation terminals, hospitals, hotels and tourism, cities, rural areas and custom centers. has been used, using the AHP method to weight the qualities, and then for local weights, non-overlapping neighborhood filtering within a radius of 25 km are used and calculate the corresponding changes, quantity, ratio Presented in this article, the obtained weights, then the compute local weighted layers, and then local weight was multiplied in the normalized layers and the final layer were obtained. In the next step, it was combined and calculated to compare the data using the global method. The results of the two methods were transferred to the points of the EMS and the results were analyzedExtended AbstractIntroductionIn geographical studies and SPATIAL planning, there are different approaches to choosing the right place for all kinds of applications and uses, and a process is followed to choose the best places. This process includes stating the research problem (cognition), choosing the criteria and preferences of decision makers and how to determine the weight of indicators, combining criteria (design) and finally, choosing the best option. In the current methods of SPATIAL decision, the criteria are given a fixed weight, while in geographical locations, the DISTRIBUTION of geographical phenomena is not uniform. In this case, attention should be paid to the SPATIAL DISTRIBUTION pattern of geographical phenomena based on the principle of sensitivity of the range of changes, the size of the range of changes affects the outputs, and the data with a smaller range of changes also have a lesser effect on the output. The data with a larger range of changes will have a more significant effect on the output. Therefore, in SPATIAL analysis, indicators that have small changes are less important. Local models have been presented to model local changes in SPATIAL multi-criteria decision-making; in this research, the main issue is how to model the local changes that affect the expected outputs. MethodologyThe research process is based on multi-criteria SPATIAL decision-making methods (national and local). First, SPATIAL patterns of indicators were analyzed through exploratory analyzes of ESDA SPATIAL data. Then based on the review of the research criteria, the direct weighting method was used to calculate the weight of the indicators, and the experts were asked to specify the weight of the criteria in the range of 1 to 10. The opinions were combined, and the final weight was obtained. First, the data were SPATIALly modelled to model and calculate the local weights. Then Block Statistics SPATIAL filter without overlap was used to determine the neighborhood. The range of local changes, maximum and minimum values, were calculated, and local weights were obtained based on that. Finally, the information layers were descaled. After that, the unscaled criterion layers were multiplied by the national weights and the final national scores were obtained. In the next step, the data of the evaluated information layers (local and national) were transferred to the points of emergency databases. Based on the analysis, the fit was done. Results and discussionGeneral or global weights pay attention to the relative importance of indicators, which is the starting point for calculating local weights. Based on the research results, the most critical indicators are industries, cities and hospitals, which are more important in the location of road emergency stations. However, in order to achieve better results, it is necessary to build a local weight layer. The results of the research show that the indicators' weight and the difference in the criteria (general weight) are not equal in the entire geographical area, and the areas with a larger range of changes have a higher coefficient.Because, unlike general weights that are obtained based on different methods, local weights are estimated based on the principle of sensitivity of the range of changes and are changed SPATIALly, and a fixed value is not considered for all areas. According to the research findings, the highest level in the general and local evaluation method corresponds to 0.5 to 0.7. Based on the local (geographic) weight method, it is less than the national or general method in the range of 0.9 to 1. Furthermore, this is due to the more precise nature of this method, which models the effects of local changes. To evaluate the compliance of the emergency centers with the final maps of suitability assessment, the information on the suitability maps was transferred to the map of the emergency center points of Fars province. Based on the evaluation of 207 emergency stations, according to the general method, 14 percent are in the high group (0.9-1), and according to the local or geographical method (16.9), percent are in this group. ConclusionAt the level of space and geographical regions, phenomena and geographical complications are not uniformly distributed, some phenomena have a homogeneous DISTRIBUTION, and some have a heterogeneous DISTRIBUTION. On the one hand, the phenomena and decision issues are affected by the context in which they are formed and evolve; on the other hand, these phenomena are placed in the network of mutual relations. Furthermore, the results of the set of phenomena may differ from the results of the phenomena individually and separately; in this article, an attempt has been made to address the issue that in SPATIAL analysis and planning, it is necessary to pay attention to geographical differences in decision-making. Furthermore, it should not be evaluated in general terms of SPATIAL decision problems; one of the methods of modelling these differences and SPATIAL changes is to consider the local weight of the criteria. Based on the research findings, local (geographical) and national analysis results are different and can better show these changes. On the other hand, the pattern of SPATIAL differences also has its SPATIAL pattern, and paying attention to these differences in SPATIAL differences can be the subject of further studies. FundingThere is no funding support. Authors’ ContributionAuthors contributed equally to the conceptualization and writing of the article. All of the authors approved the content of the manuscript and agreed on all aspects of the work declaration of competing interest none. Conflict of InterestAuthors declared no conflict of interest. Acknowledgments We are grateful to all the scientific consultants of this paper.

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

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Issue Info: 
  • Year: 

    2022
  • Volume: 

    52
  • Issue: 

    4
  • Pages: 

    269-280
Measures: 
  • Citations: 

    0
  • Views: 

    139
  • Downloads: 

    12
Abstract: 

One of the obvious reasons for most disorders in network service provisioning is network path congestion. Congestion avoidance in today's networks is too costly and sometimes impossible. With the introduction of SDN, centralizing the equipment's control plane has become possible. This paper presents an enhanced method named ESV-DBRA to avoid congestion in multi-tenant SDN networks. At first, ESV-DBRA monitors the traffic load and delay of all network paths for each tenant individually. Then, by merging the parameters obtained from the monitoring, the Service Level Agreements (SLA), and a novel proposed cost function, it calculates the cost of the network paths per tenant. As a result, traffic for each tenant is routed through the path/paths at the lowest possible cost from the tenant's perspective. Next, the bandwidth quotas will be calculated and assigned to the tenants over their optimal routes. Afterward, whenever congestion is likely to occur in a path, ESV-DBRA automatically changes the route or bandwidth of the tenants' traffic related to this path to avoid congestion. Related algorithms are also proposed.Eventually, simulations show that the proposed method effectively increases bandwidth utilization by 10.76%.

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

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Author(s): 

KHLAT M.

Journal: 

SOCIAL BIOLOGY

Issue Info: 
  • Year: 

    1988
  • Volume: 

    35
  • Issue: 

    -
  • Pages: 

    324-330
Measures: 
  • Citations: 

    1
  • Views: 

    266
  • 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: 

    2010
  • Volume: 

    3
  • Issue: 

    4
  • Pages: 

    18-25
Measures: 
  • Citations: 

    0
  • Views: 

    931
  • Downloads: 

    0
Abstract: 

Floods are hazardous events for those who live adjacent to rivers. Flood control design needs study of watersheds and subwatersheds which contribute to the flood. In order to determine the contribution of each subwatershed to the flood in downstream, a flood index can be used. In this study, the effect of rainfall SPATIAL DISTRIBUTION on the flood index was investigated. Results from HEC-HMS model showed that in Bakhtiary basin, rainfall SPATIAL DISTRIBUTION affects the flood index considerably, especially for larger events. Priority of subwatersheds in which generate the downstream flood should affect on peak outflow and flood index as well. No correlation was observed between subwatersheds' curve number and the flood indexes. With increasing rainfall depth in subwatersheds with short concentration times, SPATIAL DISTRIBUTION of rainfall had stronger affect flood index. Lower effect of SPATIAL DISTRIBUTION on flood index was observed in larger subwatersheds with concentration times. The results also showed that if no SPATIAL DISTRIBUTION was assumed, the flood index decreases with increasing subwatershed area.

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

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Issue Info: 
  • Year: 

    2018
  • Volume: 

    8
  • Issue: 

    28
  • Pages: 

    79-98
Measures: 
  • Citations: 

    0
  • Views: 

    987
  • Downloads: 

    0
Abstract: 

Social approach has always been the dominant consideration in the study of domestic violence factors, while, this phenomenon requires a multi-dimensional investigation. This research studies the SPATIAL DISTRIBUTION of domestic violence in Kermanshah. Firstly, using the lived experience, the types of marriage were identified and defined. Then, Delphi method was used by experts to collect votes in the context of their obsolete or customary nature. Due to the differences in some of the species' obsolete species, another method was used. A Grounded Theory was used. In the fourth step, using the survey method, violence was measured at three levels of psychological, verbal and physical relationships among different types of marriage. At this stage, using three methods of Balance Acceptation g, clustering and inverse sampling, 90 points of the city were selected non-randomly, non-residential areas were removed and the questionnaires were completed in 25 residential areas. The ability to explain the samples was achieved with the aim of collecting all available samples at any point by completing at least 15 and a maximum of 20 questionnaires at each point, and a total of 433 completed questionnaires were completed. The results indicate that the highest rate is concentrated among the poor and slum areas of the city. High levels of unemployment and low income, migration and the spread of marginalization, which are widespread in urban poor areas, have had a direct impact on violence. A significant part of the prevalence of some forms of cohabitation is economic poverty and cultural poverty, which directly affects urban areas. Extended Abstract 1-Introduction Domestic violence is a problem for all societies today, including modern societies. Hersberger (1996: 76) and Tennyson (2004: 98) posed domestic violence as a problem that the victims did not express; So that women consider it a taboo and they usually do not talk about it. In all countries, the cost of domestic violence is high on a yearly basis(Dejman, 1385; Moeinian, 1391; Goldfarb, 2002: 63; Duvvury & et al, 2012, 2013; Barreda & et al, 2013: 14; Darko & Walker, 2015; George& Bridget, 2014: 37). The cconsequences of ddomestic vviolence always affect all family members. A great deal of research has been done on the relationship between various factors and violence, regardless of environmental and geographical factors; The predominant approach of these studies is sociological and psychological studies, and they have been neglected to study it from other valleys. Therefore, studies related to environmental or geographical factors are very rare. The present study seeks to study domestic violence with an environmental and geographical approach to demonstrate how urban slum neighborhoods, as the origin of poor economic strata, are more likely to have domestic violence than other urban neighborhoods. Understanding domestic violence with this approach will be effective in urban and social planning-in order to reduce the effects of this harmful phenomenon. 2-Materials and Methods First, using the experience of life, common species were identified, and a term was chosen for them. In the second step, which was done based on Delphi method; the participants were analyzed about the custom and unaccustomed of those four levels by a number of mostly native experts. In the third step regarding the disagreements on the obsolete species of some species such as satisfactory exchange marriages (with less severity of discrepancy) and imposed compulsory marriage (with more severity of difference, grounded theory was used to ensure conventional species. According to pervious six stages three different era (high, middle and low) of Kermanshah were selected with different social, economic and cultural characteristics. At this stage, in addition to proving the prevalence of existing species, another species was identified, which was called inevitable marriages based on its characteristics. In step four, the degree of violence was tested in different types of marriage by the Survey methods. Accordingly, a new sampling method that combines three methods of sampling is used: 1-BAS[1] sampling method that selects from all parts of the city. The second approach is somewhat similar to cluster sampling, and it considers a cluster of neighboring households for each point of the BAS and places them in the sample. The Third method is the inverse sampling method. In Inverse Sampling, sample selection continues until a certain condition is established. In this research, the two previous methods are repeated as long as the predetermined number of each of the 10 types of conjugation in the sample. Therefore, 90 points from the city of Kermanshah have been selected by non-probability sampling. The points were removed from non-residential areas and eventually 25 residential locations were selected. Point selection from point to point in the city has been done by circular method to observe the characteristics of the species and collect sample from each species in different parts of the city. Ability to explain samples by completing at least 15 and at most 20 questionnaires at each point and among women with a marriage duration of 2 to 5 years, without age limitations, and a total of 433 questionnaires have been completed. In this research, domestic violence was measured at the psychological, verbal and physical levels. Economic violence was eliminated during the pre-test phase. 3-Results and Discussion To analyze the independent variable of residential neighborhood on the dependent variable of violence, the hypothesis "psychological, verbal and physical violence varies according to the neighborhoods" and one-way ANOVA have been used for its relationship. The sig (0/000) at a significant level of 99% indicates that the residential area has a significant effect on the incidence of violence. A look at the dispersion maps of violence shows that the focus of domestic violence (in terms of psychological, verbal and physical violence) is on the poor and marginal areas of the city. The factors associated with violence in these neighborhoods include high levels of unemployment, economic poverty, low income, cultural poverty, immigration and the spread of marginalization. The dominant marriages in this area are traditional, for economic reasons, and hope to get rid of the hardships of life or with more parents' decision-making power. The focus of violence is on two points in urban good spots because of their marriage types, which are often emotional marriages, without parental consent, solely on the basis of the decision of the girl and the boy. 4-Conclusion The reduction of domestic violence, first of all, requires planning for employment, such as the development of border markets and native capacity for self-employment. Employment planning should be multiple in order to prevent the spread of some types of cohabitation, such as inevitable. In this regard, vocational training skills will help the girls of the poor and unprofitable families to contribute to their economic independence. On the other hand, the prevalence of emotional forms, which is due to extremes in strolling and the creation of temporary street friendships, the frustration of the future, and the lack of motivation for future planning and, as a result, spending time with flamboyant work should be prevented. It is believed that disappointment toward future and lack of motivation for future planning and as a result of spending time with roaming has led to the development of such behaviors. Part of planning for employment involves building infrastructure in villages, supporting seasonal workers, and promoting social welfare in order to prevent massive immigration to the city. On the other hand, poor neighborhoods need the plan for the benefit of urban amenities to preserve beauty and vitality, so that social justice can be applied in all parts of the country in relative terms. Activities in the field of informing the younger generation about desirable marriages with individual and family decisions and in order to reduce emotional marriages) and government support, the efforts of civil society activists and planning to reduce some traditional marriages are also appropriate for effective ways of marriage.

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Author(s): 

TAGHVAEI M. | SHAHIVANDI A.

Journal: 

Social Welfare

Issue Info: 
  • Year: 

    2011
  • Volume: 

    10
  • Issue: 

    39
  • Pages: 

    33-54
Measures: 
  • Citations: 

    7
  • Views: 

    1426
  • Downloads: 

    0
Abstract: 

Objective: The health services and their optimal delivery have a key role in consistent development of regions. Present study aims at investigating the SPATIAL DISTRIBUTION of access to health care among Iranian cities and ranking them in this regard.Method: In this secondary analysis, cluster analysis and Mc Granahan Model were used.Findings: There is a great difference among Iranian cities regarding level of access to health services.Conclusion: Tehran's access is high, access in a few large cities is reasonable, and about 90% of cities are deprived in this regard.

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

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