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Open Access Article
1 - Evaluation of a multi-purpose forestry plan in the forests of Khuzestan province
Sina Attar Roshan ramezanali Pourrostami siamak Katebifar Mohammadreza TabeshThe implementation of the forest protection plan was started in 2003 in the form of a national plan due to the unfavorable situation of the Zagros forests and with the aim of protecting and developing forests in this region of the country. Considering the national natur MoreThe implementation of the forest protection plan was started in 2003 in the form of a national plan due to the unfavorable situation of the Zagros forests and with the aim of protecting and developing forests in this region of the country. Considering the national nature of the multi-purpose forestry plan and the allocation of the national budget to it, the present study was conducted with the aim of quantitative and qualitative evaluation of the implementation of the plan in Khuzestan province. In this study, some parts of the forests under the management of the plan in Izeh, Andimeshk, Baghmalek and Indika were selected. At first, the multi-purpose forestry plan was defined based on the law on the protection and utilization of forests in the form of three goals of protection, restoration, and development and, of course, increasing the income of foresters, and all executive projects were included in these goals. To analyze the quantitative data, a one-way analysis of variance and Duncan's multiple-range mean comparison test were used to compare the means of the variables. Qualitative data and data differences between different studied areas were also analyzed using the non-parametric Kruskal-Wallis test. Based on the results of this study, it was found that in Khuzestan province in terms of quantity and quality of the plan implementation, Izeh area had the best performance, and Indika, Baghmalek and Andimeshk areas were in the next rank. The results also showed that the goals in the form of protection of Zagros forests are at the highest quantitative and qualitative levels. Forest development and rehabilitation are the second priority and the least planning to increase the income of forest dwellers and reduce their dependence on forests. Therefore, it cannot be expected that the executive projects within multi-use forestry plan of Zagros forests will succeed without changing the income level of foresters and the natives of the region will have maximum cooperation in advancing the goals of the plan with the government. Manuscript profile -
Open Access Article
2 - Evaluating the Effect of Walkable Street on Traffic Volumes of Periphery Routes (Case Study: 15th Khordad WalKable Street in Tehran)
khashayar kashanijou hamed mohammadiBackground and Objective: Walkable streets are considered as one of the most important contemporary urban spaces that there are still unknown dimensions of them due to not so long record in our country. This research seeks to discover the connection between closing the MoreBackground and Objective: Walkable streets are considered as one of the most important contemporary urban spaces that there are still unknown dimensions of them due to not so long record in our country. This research seeks to discover the connection between closing the street on cars and the change in the traffic volume of automobiles in peripheral routes over time.Method: This applied research has been done by collecting theoretical information through documentary studies and local investigations using observation and interview method and is a descriptive-analytic research. The case study is 15th Khordad walkable street in Tehran.Findins: By evaluating differences in traffic volumes in 2011, 2014 and 2016 with SPSS software and based on One- Way Analysis of Variance (ANOVA), there was a significant difference in the average traffic volume of the vehicles in the study area and rejects the hypothesis of increasing the traffic volume of motor vehicles in the periphery area of 15th Khordad. Numerical calculations show that 15.7% of traffic jams over a three-year period, and 20.7% over a five-year period in the surrounding routes disappeared after creating 15th Khordad walkable street because of changing in citizens direction and travel time and using of multi-modal trips by business-men.Discussion & Conclusion: Therefore, it seems that a paradigm shift among urban managers about traffic effects transmission of creating walkable street to periphery areas is necessary. Manuscript profile -
Open Access Article
3 - PROVIDING A MODEL FOR REDUCING DRUG SUPPLY CHAIN COST WITH USING DESIGN OF EXPERIMENTS; CASE STUDY: IMAM ALI (AS) CARDIOVASCULAR HOSPITAL OF KERMANSHAH CITY
Mohammad Ehsanifar Parastu Farhaadi Sina Shalibeik -
Open Access Article
4 - A Combination of FSAW and DOE Method with an Application to Tehran Stock Exchange
Salameh Barbat Mahnaz Barkhordariahmadi Vahid Momenaei Kermani -
Open Access Article
5 - Evaluation of Different Tillage Systems and Fertilizer Types on Grain Yield and Yield Components in Several Rapeseed Cultivars
Javad Tarighi Mousa AzadIn order to evaluate different tillage systems and fertilizer types on grain yield and yield components on rapeseed, an experiment was done on the farm of Moghan Agro-industry Company in 1399-1400. This experiment was performed in a completely randomized with three repl MoreIn order to evaluate different tillage systems and fertilizer types on grain yield and yield components on rapeseed, an experiment was done on the farm of Moghan Agro-industry Company in 1399-1400. This experiment was performed in a completely randomized with three replications. Tillage as the main factor in three levels (conventional, low tillage and no tillage), type of fertilizer as a secondary factor in two levels (animal manure 5t/ha and ammonium phosphate fertilizer 500 kg/ha and the cultivar tested to title of sub-factor was considered at two levels (Neptune and Barley). Main, number of pods per plant, number of seeds per pod, 1000-seed weight and grain yield at 1% probability level and grain yield in fertilizer type were 5%. The highest average grain yield was 5 tons / ha and the lowest It was obtained without tillage and ammonium phosphate fertilizer (500 kg / ha). 1 and 5%), number of pods per plant, number of seeds per pod and grain yield were significant at 1% probability level, with the highest mean for low tillage treatment (5 tons of animal manure). R hectares in Neptune cultivar) and animal manure 5 tons per hectare in Neptune cultivar and the lowest average was obtained without tillage (500 g ammonium phosphate fertilizer per hectare in Neptune cultivar) and animal manure 5t/ha in Neptune cultivar. The results of comparing the mean of the three interactions of tillage systems in fertilizer type and cultivar type on yield components showed that the highest mean of low tillage treatment in animal manure of 5t/ha and Neptune cultivar and the lowest average of no tillage treatment in ammonium phosphate fertilizer 500 kg per hectare and Barley cultivar. Manuscript profile -
Open Access Article
6 - Multivariate Analysis of Variance (MANOVA) and Multivariate Regression in Determining Thermal Conductivity of Nanofluid for Use in Mechanical Systems
Mohammad Reza Ghalani Moslem Barzegari Ashkan GhafouriStatistical methods are used in the analysis of all types of data. In this paper, using multivariate analysis of variance and multivariate regression, the data related to the thermal conductivity of nanofluids have been analyzed and the results of the two methods have b MoreStatistical methods are used in the analysis of all types of data. In this paper, using multivariate analysis of variance and multivariate regression, the data related to the thermal conductivity of nanofluids have been analyzed and the results of the two methods have been compared. A two-step method was used to prepare ethylene glycol-magnesium oxide nanofluid. In order to prepare the nanofluid by suspending the nanoparticles in the base fluid, an ultrasonic homogenizer was used. For this purpose, nanoparticles with diameters of 20, 50, and 100 nm in volume fractions of 0.25, 0.5, 0.75, 1, and 1.25% have been used at temperatures of 25, 30, 35, 40, 45, and 50 degrees Celsius. Transient hot wire method was used to measure thermal conductivity in different volume fractions. Then the obtained experimental values were analyzed using SPSS.26 software. The coefficient of determination and the graphs of the errors obtained in the two methods showed that when the independent variables are defined as grouped, the use of multivariate analysis of variance can better describe the dispersion of the thermal conductivity. Manuscript profile -
Open Access Article
7 - Online Dimensional Controlling System for Drilling
Reza Farshbaf Zinati Ahmad Habibi Zad navin Mohammad Reza Razfar -
Open Access Article
8 - Correlation and Path Analysis of Yield and Yield Components of Safflower Genotypes under Late Season Drought Stress Conditions
Seyedeh Zahra HosseiniTo calculate correlation coefficients and path analysis of some traits related to grain yield, 15 genotypes of safflower were studied under non-stress and drought stress conditions at two different sites (with 10 meter distance) in the field of College of Agriculture of MoreTo calculate correlation coefficients and path analysis of some traits related to grain yield, 15 genotypes of safflower were studied under non-stress and drought stress conditions at two different sites (with 10 meter distance) in the field of College of Agriculture of Lorestan University, Iran. Each experiment was conducted in a randomized complete block design with three replications. Analysis of variance showed that there were significant differences among the genotypes for all measured traits and yield in both stress and non- stress conditions. By using stepwise regression, best model was estimated for the two conditions. Sequential path analysis of the correlation between grain yield and other traits showed that days to start flowering, 1000-seed weight and stem diameter had direct effects on grain yield under non-stress conditions, while under drought conditions, seed weight per plant and 1000-seed weight had direct and positive effects on grain yield. Thus, to obtain high yielding varieties of safflower under drought stress condition, we showed attempt to select varieties with high seed weight per plant. Manuscript profile -
Open Access Article
9 - Measurement and evaluation of vitality dimensions in various public spaces of Tabriz metropolis
Ali Arefhoseini ali panahi Ali Azar Reza ValizadeWith the development of urbanization and urban density, the need to plan and design public spaces to encourage residents to properly use this type of space is more than ever. The purpose of this study is to measure and evaluate the dimensions of vitality in various publ MoreWith the development of urbanization and urban density, the need to plan and design public spaces to encourage residents to properly use this type of space is more than ever. The purpose of this study is to measure and evaluate the dimensions of vitality in various public spaces of Tabriz metropolis. This research is applied in nature and descriptive-analytical in terms of method. Assessment tools were field studies and questionnaires. The statistical population of the study is the users of public spaces in Tabriz; The sample size of the study includes 245 people Which were selected by available sampling method from the visitors of public spaces of Tabriz. Cronbach's alpha coefficient obtained from the reliability of the measuring instrument (./868) was at an acceptable level. Multivariate analysis of variance (MANOVA) and Friedman test were used to analyze the data. The results of the present study show that except for "cultural vitality", the rate of "social vitality", "economic vitality" and "physical vitality" are significantly different in all three categories of public spaces. Among the public spaces studied, in terms of social vitality, "active public spaces from the past to the present" has the highest rate and "active public spaces in the past" has the lowest rate. In terms of economic vitality, "active public spaces from the past" has the highest rate and "active public spaces in the past" has the lowest rate, and in terms of physical vitality, "active public spaces from the past" has the highest rate and "active public spaces in the past" Has the lowest rate. It can also be said with 99% confidence that the components of vitality including "social vitality", "economic vitality", "cultural vitality" and "physical vitality" are not at the level of equality; So that "physical vitality" has the highest satisfaction and "economic vitality" has the lowest satisfaction in the public spaces of Tabriz. The components of "cultural vitality" and "social vitality" are in the second and third ranks, respectively. Therefore, by strengthening the components related to "economic vitality" and "social vitality", the vitality of public spaces in Tabriz can be significantly increased in order to realize citizenship rights and increase social interactions Manuscript profile -
Open Access Article
10 - Using design of experiments approach and simulated annealing algorithm for modeling and Optimization of EDM process parameters
Masoud Azadi Moghaddam Farhad Kolahan Meysam Beytolamani -
Open Access Article
11 - Statistical Approach on Corrosion Behavior of Dissimilar Welds of A387-Gr91/AISI316 Steels with PCGTAW Process
Mohammad Jula Reza Dehmolaei Seyed Reza Alavi Zaree -
Open Access Article
12 - Optimization of Advanced Square Wave AC-GTAW Parameters to Improve Localized Corrosion Resistance of AA6082-T651 Aluminum Welds
mohammad Tabeahmadi Reza Dehmolaei Sayed Reza Alavi Zaree -
Open Access Article
13 - Evaluation and Ranking of Urban Areas in Terms of Cultural Development through Integrating Phase Operator of GIS and SPSS (A Case Study of Four Districts of Urmia)
Saeed Maleki Azim Ali Shaei, Ghasem FarahmandOne of the most controversial issues, especially in developing societies, is culture and its development. Development as a multidimensional process, is an effort to improve the material and spiritual life of human beings, and culture, is considered as the foundation of MoreOne of the most controversial issues, especially in developing societies, is culture and its development. Development as a multidimensional process, is an effort to improve the material and spiritual life of human beings, and culture, is considered as the foundation of the intellectual and epistemological life of the society. The interrelationships of the two enable the growth of human abilities. Cultural development is considered as the foundation of sustainable development. Therefore, urban development will be dynamic when it is closely related to cultural development and in fact an integral part of it. The purpose of this article is to investigate how the four regions of Urmia enjoy cultural terms in order to achieve regional inequalities. According to the studied components, the approach of this research is "descriptive-quantitative and analytical". The statistical population of the study includes the four regions of Urmia, which were used to analyze the research data using ANOVA, Independent- samples T test, Tukey HSD and Gama fuzzy operator in the ArcGIS software. The results show that the districts 3 and 4 in Urmia with means of 38/24 and 8.24 as well as options are better developed than other districts. Also zone 1 and 2 are known as backward regions in terms of cultural development with means of 21/46 and 22/47. Of course, this applies to the operator for more details on Gama 0/7, which all indicate the existence of regional inequalities in Urmia. Manuscript profile -
Open Access Article
14 - Investigation of the Effective Parameters on Surface Roughness in Magnetic Abrasive Finishing Process Using Design of Experiments
Yahya Choopani Mohammad Reza Razfar -
Open Access Article
15 - Optimization of main parameters affecting activity and octane number produced from catalytic isomerization of n-heptane using response surface methodology
Nastaran Parsafard -
Open Access Article
16 - Application of orthogonal array technique and particle swarm optimization approach in surface roughness modification when face milling AISI1045 steel parts
Masoud Azadi Moghaddam Farhad Kolahan -
Open Access Article
17 - A DMAIC approach for process capability improvement an engine crankshaft manufacturing process
G. V. S. S. Sharma P. Srinivasa Rao -
Open Access Article
18 - A Taguchi approach on optimal process control parameters for HDPE pipe extrusion process
G. V. S. S . Sharma R. Umamaheswara Rao P. Srinivasa Rao -
Open Access Article
19 - Process capability improvement of an engine connecting rod machining process
GVSS Sharma P Srinivasa Rao -
Open Access Article
20 - Forecasting S&P 500 index using artificial neural networks and design of experiments
Seyed Taghi Akhavan Niaki Saeid Hoseinzade -
Open Access Article
21 - An empirical study of innovation-performance linkage in the paper industry
Parveen Farooquie Abdul Gani Arsalanullah K Zuberi Imran Hashmi -
Open Access Article
22 - A study of operators’ computing efficiency with special focus on the readability under different viewing angles of a desktop
Z. Maillck Mohammad Asjad -
Open Access Article
23 - استفاده از تجزیه و تحلیل Gray Relational و تکنیک Taguchi در حل مشکلات چند هدفه برای چرخش عملکرد فولاد ضد زنگ آستنیتی
م. آزادی مقدم ف. کلاهان م. حسینی دوغ آبادی -
Open Access Article
24 - Study of the effect of magnetic field on the surface roughness of the workpiece in electric discharge machining of Al2O3-reinforced A413 composite
Ahmadreza Mizbani Sayed Ehsan Mirmohammadsadeghi Ali MokhtarianIn this research, the effect of electric discharge machining input parameters on the surface roughness of A413 composite reinforced with 2.5% Al2O3, in two cases with the presence of a magnetic field and without a magnetic field was investigated and compared. The resear MoreIn this research, the effect of electric discharge machining input parameters on the surface roughness of A413 composite reinforced with 2.5% Al2O3, in two cases with the presence of a magnetic field and without a magnetic field was investigated and compared. The research presented with Taguchi experiment design approach which is based on L9 orthogonal array and iterative surface technique. The input parameters of these experiments include voltage (two levels), current intensity (three levels), pulse on-time (three levels) and pulse off-time (three levels). Experiments results show machined surface roughness reduction in presence of magnetic field up to 32 percent. The analysis of the results included the determination of signal-to-noise ratio diagrams corresponding to each of the input parameters and analysis of variance by Minitab software. The results show that the surface quality of the workpiece improves in the presence of a magnetic field compared to machining conditions without a magnetic field. Also, based on the results of analysis of variance in both cases, the current intensity is the most effective input parameter on the surface roughness of the workpiece made of A413 composite reinforced with 2.5% Al2O3. Manuscript profile
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