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Listing 50 - 20 of 1969 results.

Characteristic of Swamp Buffalo (Bubalus Bubalis) Pampangan at Ogan Komering Ilir, South Sumatera, Indonesia

Research Article
Author(s): Yuanita Windusari, Laila Hanum, Erwin Nofyan, Mustafa Kamal, Adri Amsar
Journal: Animal Review

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Abstract
The aim of research to study the character and analyze the phenotypic diversity among variants swamp buffalo (Bubalus bubalis) Pampangan at Ogan Komering Ilir, South Sumatera. Quantitative data are determined by the circumference of the chest (Li Da), body length (Pa Ba), tail length (Pa Ek), the length of the head (Pa Ke), head width (Le Ke) and hip height (Ti Pi). Qualitative data is determined based on the character of each variant shown through the hair color, the shape and direction of growth of the horn. Characteristics that indicate of genetic relationship between the variant of swamp buffalo. Methods of observations carried out directly on the morphology and methods NTSYS Ver. 2.1 to the analysis of kinship and then presented in the form of a dendrogram. Results showed that there are four variants of buffalo Pampangan namely red buffalo, black buffalo, buffalo striped and Lampung buffalo. Morphology of buffalo such as body size, hair color, shape and direction of growth of the horns is different. Genetic relationship shown with  value of correlation coefficient 0.57 was found in group A (OTU-1) and group B (OTU-2, OTU-3 and OTU-4), and value of correlation coefficient 0.612 found in group A (OTU-2 and OTU-4) and group B (OTU-3). The correlation coefficient of more than 0.57 indicates a kinship between the variance of the swamp buffalo Pampangan relatively close. It is suspected  inbreeding between variants tends to be high. The analysis also showed that the closest genetic relationships found in OTU-2 (black buffalo) and OTU-4 (buffalo Lampung) with a correlation coefficient 0.85. This condition is believed that the OTU-2 and OTU-4 derived from the same lineage.
Contribution/ Originality
This study is one of very few studied which have investigated about the characteristics of local endemic animals that have the potential to be developed or preserved. Swamp buffalo in South Sumatra is the local animal with the potential to be cultivated and become a major food source.

Agricultural Sciences » Animal Review » Month: 03-2016 Issue: 1

Fuzzy Logic Based Energy Management System for Hybrid Electric Vehicle

Research Article
Author(s): Z. Tareq, N. Sulaiman, M.A. Hannan, A. Mohamed, E.H. Majlan, W.R.W. Daud
Journal: Review of Energy Technologies and Policy Research

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Abstract
Hybrid electric vehicles have gained attention throughout the globe with its advantage of green technology and reduced greenhouse gases emission. Moreover, hybrid vehicles being powered by battery would be the best option of replacing current petrol or gas dependent vehicles. There are drawbacks though; battery has limited lifetime and is very costly. Hence, it is hybridized with other energy storage systems such as supercapacitor. This paper focuses on the energy management system for the energy storage system consisting battery and supercapacitor of a hybrid electric vehicle using fuzzy logic based controller. The energy management system, which manages energy feed between battery and supercapacitor, is then simulated in Matlab/Simulink to verify its reliability and validity of operation.
Contribution/ Originality
The paper's primary contribution is finding an energy management that could distribute or split energy between two sources of which in this paper is using battery and supercapacitor. The energy management in this paper uses fuzzy logic control to split the energy between the two energy sources.

Energy & Environmental Sciences » Review of Energy Technologies and Policy Research » Month: 06-2015 Issue: 2

Mathematical & Spatial Relationship between Dome and Al- Mousala in Congregational Mosques (An Analytical Study of Basic Dimension of Central Dome Pattern)

Research Article
Author(s): Raeed Salim Ahmed Al-Nuamman
Journal: International Journal of Mathematical Research

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Abstract
Islamic architecture has a clear impact for systems and the relationships of Mathematical and  Geometrical proportions , which reflected in their buildings.  The research will deal with an important aspect that linked in two mains elements in the Congregational Mosques. The first is a house of prayer (Al-mousala) as the main and most importantly space in the mosque, and the second is a dome as structural and decorative element, who was significantly associated with Congregational Mosques later. This study is one of very few studies which have investigated the kind of the Mathematical& Geometrical proportions relationship, also the  spatial linking of these two elements with each other's.  Through the statistical analysis that links the relationship between their different dimensions and the positioning kind of the main dome on a house of prayer (Al-mousala). For this purpose the resaerch has been selected two sets of samples. The first models include a different regions of Islamic Congregational Mosques represent different patterns of Congregational Mosques as a sample of general Islamic architecture while the second comprises a number of Congregational Mosques in Mosul city, a representative of the local architecture.
Contribution/ Originality


Arts and Education » International Journal of Mathematical Research » Month: 01-2016 Issue: 1

Evaluation of Some Chemical and Sensory Properties of Processed Cheese Analogue with Selected Vegetable Oils

Research Article
Author(s): Khalid Al-Ismail, Barah Al-Hiary, Maher Al-Dabbas
Journal: International Journal of Chemical and Process Engineering Research

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Abstract
Cheese analogues are cheese-like products with varied compositions and functional properties which produced by partial or whole replacement of milk components, in particular milk fat, by non milk-based components. The purpose of this research was to evaluate the effect of replacement of milk fat in processed cheese with different formulations from olive, corn and sesame oils on some chemical and sensory properties. The results indicated that the peroxide values were not affected by the replacement of milk fat with vegetable oils significantly (P <0.05), while the free fatty acid content was slightly but significantly affected. These two values were significant (P <0.05) increased during the three months of storage. The cholesterol contents in the cheese samples with olive, sesame and corn oils were 86.9, 84%, and 83.1%, respectively lower than those of the whole milk cheese sample. The replacement of milk fat with vegetable oils did not affect the appearance, color and tenderness of the processed cheese samples. The replacement of milk fat with vegetable oil significantly (P <0.05) affected the flavor of the cheese analogue samples.
Contribution/ Originality
This study is one of the very few studies which have investigated the influence of the olive and sesame oil on the chemical and sensorial properties of processed cheese analogue.

Engineering » International Journal of Chemical and Process Engineering Research » Month: 06-2015 Issue: 6

Influence of Shear Connector Size on Ultimate Strength in Composite Construction with Cold-Formed Steel Channel Lipped Section

Research Article
Author(s): Mahmood Md. Tahir, Mustapha Muhammad Lawan, Anis Saggaff, Jahangir Mirza
Journal: Review of Industrial Engineering Letters

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Abstract
In conventional composite construction for buildings and bridges, Hot-Rolled Steel (HRS) section is well known to be used. The composite action is usually achieved by using conventional headed stud shear connectors. However, for Cold-Formed Steel (CFS) section, the use of headed stud shear connectors is not feasible as the section is very thin and incapable to be weld. Therefore, a suitable shear connection system of bolt and nut is proposed in this study by varying the size of the bolted shear connectors. This paper presents the prospect of using a bolt and nut as shear connector that could be well-suited with CFS section when integrated in Self-Compacting Concrete (SCC). The experimental test comprised of push-out and was conducted to determine the strength and ductility of the proposed bolted shear connectors as used in composite construction. Eight push-out test specimens of bolted shear connector size consist of M12, M14 and M16 of grade 8.8 were fabricated and tested to failure. The experimental results show that the bolted shear connectors used to possess good shear resistance capacity. Influence of varying the size of the bolted shear connectors was investigated. The results show that the size of bolted shear connectors influenced the ultimate strength capacity of the shear connectors significantly.
Contribution/ Originality
This paper highlighted on the use of high strength bolted shear connectors in composite construction with CFS, specifically the M14 bolt connector as it was not established based on cited literatures.

Engineering » Review of Industrial Engineering Letters » Month: 06-2016 Issue: 1

Q Determination of Transmission GPR Waves in Absorbing Media

Research Article
Author(s): Eddy Ibrahim, Wahyudi W. Parnadi
Journal: Review of Information Engineering and Applications

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Abstract
The absorption of electromagnetic waves is the most important parameter for the processing and interpretation of Ground-Penetrating Radar (GPR) data. Both the phase velocity   and the absorption coefficient  are frequency-dependent. From the linear basis of the frequency dependence of   of geology media, a constant Q-hypothesis is valid, whereby the Q factor is inversely proportional to  and describes material-specific absorption. For the near-reality description of electromagnetic waves propagation in rocks, modeling with constant Q and velocity dispersion after Futterman is carried out. On the basis of such model, the effect of these parameters on wavelets is investigated. As a result of absorption, the wave amplitudes become smaller with increasing distance at the same Q and become smaller with decreasing Q at the same distance and the waveforms are stretched . The longer the distance at the same Q as well as the smaller Q at the same distance, the smaller is the bandwidth of the transmission wavelets. At the same time, its peak frequency moves toward smaller frequencies. In addition, three methods for the determination of the absorption through Q factor are reviewed, namely the spectral ratio method, amplitude decay method and a method over absorption coefficient determination. The applicability of the methods is then demonstrated by using real data acquired from transmission measurement at test site in Reiche Zeche Shaft in Germany.
Contribution/ Originality
The new analysis for the determination of the absorption media by attenuation through Q factor.

Computer Sciences » Review of Information Engineering and Applications » Month: 06-2015 Issue: 2

Selection of Appropriate Equipment for Designing Effective Vacuum System

Research Article
Author(s): H. M. Akram, M. Zafarullah Khan
Journal: Review of Information Engineering and Applications

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Abstract
Vacuum systems are designed for a variety of research activities and industrial performs for different vacuum ranges depending upon the process prerequisite. It is very essential that these systems should be designed by selecting the vacuum equipment for proper vacuum generation, precise vacuum measurement and particular vacuum control for immense contribution to the process effectiveness, operational ease, working efficiency and quality product. In this paper effort has been made to clarify the physical concepts to use variety of vacuum pumps, gauges and valves to design different vacuum systems with diverse vacuum ranges for their up to mark effectiveness.
Contribution/ Originality
As far as the contribution of the study of this paper is concerned, it is one of very few studies which have investigated. It surely contributes in the existing literature with trustworthy methodology. It also contributes the first logical analysis. The paper's primary contribution is finding the true solution.

Computer Sciences » Review of Information Engineering and Applications » Month: 06-2015 Issue: 2

Study of Layered Structure on Contact Boundary Area of Formation Panasogan-Waturanda by Applying Ground Penetrating Radar Method

Research Article
Author(s): Eddy Ibrahim, Wahyudi W Parnadi
Journal: Review of Advances in Physics Theories and Applications

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Abstract
Study on Ground-penetrating radar (GPR) data from a common-offset profiling measurement carried out in the contact area between Panosogan and Waturanda Formations in Karangsambung, Kebumen – Central of Java is done. GPR RAMAC system is utilized. The aim of the study is to recognize and eliminate surface-scattering noise and ring-down effects, to image subsurface layered structure and to identify a contact area between Panosogan and Waturanda Formations. The processed data were analyzed with the help of instantaneous attributes and the so-called joint time frequency (JTFA) analysis. Study results show that some diffraction patterns appeared in radargram are resulting from scattering of surface-objects. These can be eliminated with f-k filtering and migration. Ring-down effect resulted from impedance mismatch between subsurface electrical properties and those of antenna is difficult to eliminate. However, it can be well recognized and analyzed in the JTF representation. Instantaneous attributes and JTF analysis are proved to be useful tools in imaging the contact area and subsurface layered structures.
Contribution/ Originality
The new procedure in data processing to eliminate ring down and noise.  A GPR data Processing useful in imaging contact area and subsurface  should be designed  by using JTF analysis

Engineering » Review of Advances in Physics Theories and Applications » Month: 06-2015 Issue: 2

Web Service Composition for E-Commerce Web Application

Research Article
Author(s): Anis ISMAIL, Abd El Salam AL HAJJAR, Abdel Karim KASSEM
Journal: Review of Computer Engineering Research

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Abstract
Web Services are based on distributed technology and provide standard means of interoperating between different software applications across and within organizational boundaries with the use of XML. Web Services technologies allow interaction between applications. Sometimes a single service given alone does not meet user’s needs. In this case, it is necessary to compose several services in order to achieve the user’s goal. Web service composition is one of the most challenging problems of recent years. The number of service providers is increasing, and along with that for a request they offer multiple services with the same functionality, so it makes the problem of composition quite complex.  In this paper, we compose multi web services for E-Commerce. We implement a new web application that use two or many web services to make some transactions and to choose the best deal.
Contribution/ Originality
The paper's primary contribution is finding that the composition of web services is the process of combining Web services in order to offer value-added services. Web Services composition consists in combining several Web Services into a Composite one, in order to satisfy complex users queries.

Computer Sciences » Review of Computer Engineering Research » Month: 06-2016 Issue: 1

Riccatis Equation. Asymptotics of Exact Solution

Research Article
Author(s): Nikolai Evgenievich Tsapenko
Journal: International Journal of Mathematical Research

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Abstract
In this article based on a method of approximating equation an asymptotic solution of the general Riccati ‘s equation is obtained. The principal distinctive feature and advantage of the solution is its continuity at turning points. Estimates of accuracy of the approximate solution are derived. Limit values of the asymptotic solution in case of one-sided convergence of argument to turning point of the first order are calculated.
Contribution/ Originality
This study contributes in the existing literature. Thus, the results of that study may be applied for solving problems were set up in works [1], [2], [3]. This study is one of very few studies, which have investigated the asymptotic behavior of solutions of Riccati’s equation in the neighborhood of turning points.

Arts and Education » International Journal of Mathematical Research » Month: 01-2016 Issue: 1

MHD Mixed Convective Heat and Mass Transfer through a Stratified Nanofluid Flow Over a Thermal Radiative Stretching Cylinder

Research Article
Author(s): Srinivas Maripala, Kishan Naikoti
Journal: International Journal of Mathematical Research

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Abstract
The flow problem presented in this paper is to study the heat and mass transfer characteristics of a mixed convection nanofluid flow along a stretching cylinder embedded in a thermally stratified medium are numerically analyzed, with the thermal radiation effects. The governing boundary layer equations of continuity, momentum, energy and concentration are transformed into a set of ordinary differential equations with the help of suitable local similarity transformations. The coupled non-linear ordinary differential equations are solved by the implicit finite difference method along with the Thomas algorithm. The effect of various material parameters such as buoyancy parameter, solutal buoyancy parameter, Prandtl number, radiation parameter, Schmidt number, curvature parameter, magnetic parameter, stratification parameter, Brownian motion parameter and thermophoresis parameter on the velocity, temperature and concentration profiles are presented in graphs. Physical quantities such as skin friction coefficient, Nusselet number and Sherwood number are also computed. 
Contribution/ Originality
The primary contribution of this paper is finding that the effects of nanofluid on the heat and mass transfer characteristics of a mixed convection along a radiative stretching cylinder embedded in a thermal stratified medium. Aim of this paper is to develop a computational procedure.

Arts and Education » International Journal of Mathematical Research » Month: 01-2016 Issue: 1

Analysis of Dioxins Concentration in Domestic Waste and Burnt Tyre Residue at Gosa Dumpsite in Abuja, Nigeria

Research Article
Author(s): Alhassan, M.M., Struve, M., Ujoh, F., Oleka, J.I.
Journal: Review of Environment and Earth Sciences

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Abstract
This study examined the presence of dioxins – a persistent organic pollutant in domestic and burnt tyre waste residues and it’s comparison with German safety limits at the Gosa dumpsite in Abuja, Nigeria. The period of sampling and analysis was between January and March, 2011. Burnt tyre ashes and burnt solid waste residues from the dump sites were chemically analyzed to determine the concentration of the seventeen 2,3,7,8-substituted dioxins and furan congeners in absolute quantities using high resolution capillary column gas chromatography and low resolution mass spectrometry. The result of the analysis performed using the International Toxic Equivalent Factor (NATO/CCMS) for the calculation of the individual Toxic Equivalent Quotients (TEQs) of the seventeen 2,3,7,8- substituted dioxins and furan congers and a summation of the individual I-TEQs per sample shows that there is significant quantity of about 44 ng/kg TM of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), a contaminant in Agent Orange, in one out of the five (1/5) analyzed samples. The maximum Total Polychlorinated dibenzo-p-dioxins/furans (PCCD/F) concentration recorded in this study was 1,350 ng/kg TM from sample Point 3. This was greater than the German Federal Soil Protection and Contamination Sites Ordinance (GFSPCSO) for Total PCDD/F equivalents for target concentration, agricultural, playground and residential landuse (which dominate the area under study) but less than its industrial landuse equivalent. There was also the presence of dioxins in the burnt domestic waste analysed with the Total PCDD/F (TEQ) of 6.6 ng/kg TM. The land usage of the area under investigation is closely interwoven across the land mass. Therefore, the results indicate that the population and activities within the area of study are under threat of health hazards that may arise from the high concentration of dioxins recorded by this study.
Contribution/ Originality
This study contributes to the existing literature by providing a better understanding of the potential pollution from burnt tyres and domestic wastes residue in Nigeria’s Federal Capital City. This study adopts the method of chemically analyzing burnt residue of tyres and domestic waste to determine the concentration of the seventeen 2,3,7,8-substituted dioxins and furan congeners in absolute quantities using high resolution capillary column gas chromatography and low resolution mass spectrometry estimation.

Energy & Environmental Sciences » Review of Environment and Earth Sciences » Month: 06-2015 Issue: 2

The Effects of Repeated Push Sled Sprints on Blood Lactate, Heart Rate Recovery and Sprint Times

Research Article
Author(s): Michael Waller, Tracey Robinson, Dustin Holman, Matthew Gersick
Journal: Journal of Sports Research

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Abstract
Resisted sprinting devices have been examined for their effect on sprinting but there is limited research on sled pushing thus leaving a gap in the literature related to this topic. The current study examined the effects of varied push sled loads during repeated sprinting on blood lactate levels, heart rate recovery, and sprint times. Division II female power athletes (softball n = 5, volleyball n = 9), age 19.93 ± .83 years, body mass 70.71 ± 5.39 kg, height 170.29 ± 6.41 cm, and body fat 17.47 ± .04 %, participated in a randomized, repeated measures study. Subjects were randomly assigned to a traditional sprint condition (SPR), sprints pushing an unloaded sled (SLED), along with the following loads of 10 kg, 15 kg, 20 kg, 35 kg, 50 kg and completed each condition over a 7 week period with testing occurring once a week at the same time of day.  For each condition, subjects performed 6 sprints over 20 yds with a 35 second passive recovery between each sprint with split times and total times measured. Blood lactate was obtained by a finger prick and was analyzed by a portable lactate analyzer (Accutrend® Lactate) at rest prior to the repeat sprint trials, 3 minutes and 5 minutes post intervals. The results demonstrated statistically significant differences in all mean sprint times and in peak sprint times except in 10 kg and 15 kg conditions. Statistically significant differences were observed in BLA3MIN and BLA5MIN in sprint conditions ≥ 15 kg. The results suggest that repeated push sled sprints ≥ 15 kg load may be beneficial to adapting the fast glycolytic system.
Contribution/ Originality
This study is one of very few studies which have investigated the acute effects of sprinting with pushing a sled of varying loads in female athletes.

Physical Sciences » Journal of Sports Research » Month: 01-2016 Issue: 1

Effect of Incorporation of Cellulose Industrial Residue in Concrete Matrix

Research Article
Author(s): Elvis .M. Mbadike, Okafor F.O, Agunwamba J.C.
Journal: International Journal of Chemical and Process Engineering Research

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Abstract
The goal of producing concrete that provides long term durability with regard to properties such as strength and reduced susceptibility to alkali-silica reactions has led to the development of several high performance materials. In this research work, the effect of cellulose industrial residue in   concrete matrix was investigated. A mix proportion of 1:1:6:3.2 with water-cement ratio of 0.47 were used. The percentage replacement of Ordinary Portland Cement (OPC) with cellulose industrial residue (CIR) is 0%, 5%, 10%, 20%, 30% and 40%. Concrete cubes  of 150mm x 150mm x 150mm of OPC/CIR were cast and cured at 3,7,28,60 and 90 days respectively.  At the end of each hydration period, the three concrete cubes for each hydration period were crushed and their average compressive strength recorded. A total of ninety (90) concrete cubes was cast. The result of the compressive strength test for 5-40% replacement of cement with cellulose industrial residue ranges from 13.02-32.81 N/mm2 as against 25.60-42.08 for the controi test. Similarly, the setting time of 5-40% replacement of cement with CIR ranges from 61-118mins for the initial setting time and 620-836mins for the final setting time as against 52mins and 950mins for the initial and final setting time respectively for the control test (0% replacement). The result of the slump test for 5-40% replacement of cement with CIR ranges from 12-53mm as against 6mm for the control test. The major aim of this research work is to determine the effect of cellulose industrial residue when used at a certain replacement level of cement  in concrete matrix.
Contribution/ Originality
The material (Cellulose industrial residue) can be used as a pozzolan in concrete production. This research work is original and have not been carried out anywhere.

Engineering » International Journal of Chemical and Process Engineering Research » Month: 01-2016 Issue: 1

Computer Aided Design of a Multi-Component Distillation Column for Processing of Nigerian Bonny Light Crude Oil

Research Article
Author(s): Dagde, Kenneth Kekpugile, Kpalap, Emmanuel Kilsibari
Journal: International Journal of Chemical and Process Engineering Research

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Abstract
The design of the multi-component distillation column for processing of Bonny light crude is presented using advanced process simulation software (Aspen Hysys). The steady state design models were developed from Mesh equations and were used to obtain the design parameters based on the principle of conservation of mass and energy. The design parameters were column diameter, column cross sectional area, height of the column, downcomer area, hole area, weir length, wet area and tray spacing. The equations developed are capable of predicting compositions, partial pressures and temperature of the components of interest from the mixtures of crude oil. The accuracy of the design parameters were ascertained by comparing predicted results with literature data of a distillation unit. The simulation of the design models were performed using Aspen Hysys to obtain optimum values of the most significant variables/parameters (column diameters 1.558m, column height 17.048m, cross section area 1.907m2,  downcomer area 0.229m2,  tray spacing 0.5m, weir length 1.200m, hole area 0.191m2   and wet area 1.678m2). The result obtained from the steady state simulation shows that the feed flow rate, temperature and pressure influence the efficiency of the distillation column.
Contribution/ Originality


Engineering » International Journal of Chemical and Process Engineering Research » Month: 01-2016 Issue: 1

Modeling of a Tubular Fixed-Bed Reactor for the Production of Dimethyl Ether Using Alumina Catalyst

Research Article
Author(s): Dagde, Kenneth Kekpugile, Harry, Uduak Sylvanus
Journal: International Journal of Chemical and Process Engineering Research

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Abstract
A model to predict the behavior of an adiabatic tubular fixed-bed reactor for the production of dimethyl ether using alumina catalyst was developed. The steady state model incorporates the reaction rate kinetic expression obtained from literature into the model equations.   The models were integrated numerically using Fourth-order Runge-Kutta method incorporated into a computer simulator (MATLAB 7.7 code). Model predictions are compared with data obtained from the literature under the same operating conditions and a good agreement is obtained with a variation ranging from 0.5% to 2.7%. The simulation results show that the production of dimethyl ether is greatly affected by parameters such as temperature, and feed flow rate with optimum yield of DME at a catalyst bed height of 2-4m at a temperature of 557 to 570K.
Contribution/ Originality
This study contributes in the existing literature by developing model equations that is used in predicting/simulation of functional parameters for optimum yield of DME. Unlike other works which assume isothermal condition, this study assumes an adiabatic condition and could be adopted for simulation of industrial DME plant.  

Engineering » International Journal of Chemical and Process Engineering Research » Month: 02-2016 Issue: 2

Exposure of Medium Dose Gamma Rays and Storage Conditions Influenced the Weight Loss and Ripening of Alphonso Mango

Research Article
Author(s): M. K. Yadav, N. L. Patel, S. L. Chawala, M. K. Mahatma
Journal: International Journal of Sustainable Agricultural Research

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Abstract
Processing of fruits through radiation, involves exposure to short wave energy to achieve a specific purpose viz. reduced the weight loss and extended the ripening. An experiment was carried out to study the effect of irradiation and storage conditions in Alphonso mango on physiological weight loss and ripening. The experiment was laid out in completely randomized block design withfactorial concept with three repetitions. There were sixteen treatment combinations of irradiation dose (I1 -0.00, I2 -0.20, I3 -0.40 and I4 -0.60 kGy) and storage temperature (S1-Ambient, S2-90C, S3-120C and S4-CA storage (120C, O2 2%, CO2 3%). The fruits were exposed to gamma radiation for different doses from the source of 60Co at Board of Radiation and Isotope Technology, Bhabha Atomic Research Centre, Mumbai. The data indicated that the fruits irradiated with 0.40 kGy gamma rays (I3) recorded significantly minimum per cent reduction in PLW and extended the ripening. Same pattern noted when fruits kept at 90C storage temperature. In combined effect of 0.40 kGy gamma rays irradiation and 90C storage temperature (I3S2) also recorded maximum reduction in the PLW and ripening per cent throughout the storage period.
Contribution/ Originality


Agricultural Sciences » International Journal of Sustainable Agricultural Research » Month: 06-2016 Issue: 2

The Effect of Ergonomics on Sustainable Urban Development: A Case Study

Research Article
Author(s): Mohammad Safari
Journal: International Journal of Geography and Geology

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Abstract
In this study we attempted to analyze and estimate the effect of ergonomics on sustainable urban development as a case study done in Guilan province of Iran. This is a survey study and participants were 80 experts of the city in environment field selected randomly using Krejcie& Morgan table. Data were analyzed in SPSS software using statistical tests. According to the results, “using appropriate colours in designing” and “human welfare” had the highest and lowest association with sustainable urban development in this province, respectively. Overall, we concluded that ergonomics or Human factor had significant effect on sustainable urban development and infrastructures.
Contribution/ Originality
This study is one of very few studies which have investigated the management of municipal solid waste in Algeria, moreover, it discussed the useful methods used in developed countries in order to consider those methods as useful experiences that  can be used in Algeria.

Energy & Environmental Sciences » International Journal of Geography and Geology » Month: 03-2016 Issue: 3

Comparison of the Gravimetric Network in Esfarayen Region with the Network of Fractal Analysis

Research Article
Author(s): Alireza Mohsenlo, Asghar Teymoorian, Mohammad Maanijou
Journal: International Journal of Geography and Geology

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Abstract
The place of gravity stations is normally irregularly distributed. Although an ideal arrangement should be locally homogeneous, it is impossible in most cases, due to the availability issues. The surface areas due to more geological benefits and easier availability are more densely sampled which inevitably affects the measurement of the regular network as the interpolation error due to irregular distribution. The gravimetric data are usually presented by the color contour maps and it is required to be interpolated as a regular network. The combined distribution of the gravity stations are used in theoretical studies. It was found that there is an interval of the values for the random distribution of the data which has 2 fractal dimension dependent on Euclidean geometry for the spatial distribution of the data. And a new Bouguer was found using the grid and using anomaly fractal analysis in Esfarayen area gained, based on which a closer analysis of the explored area was conducted. The important anomaly in the region was recreated. Using the related fractal analysis reduces the number of data mined points.
Contribution/ Originality


Energy & Environmental Sciences » International Journal of Geography and Geology » Month: 03-2016 Issue: 3

Influence of Laboratory Method on Students’ Mathematical Creativity in Yenagoa Local Government Area of Bayelsa State

Research Article
Author(s): Ado, I. B., Nwosu, S. N.
Journal: International Journal of Education and Practice

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Abstract
This study investigated the influence of laboratory method on students’ mathematical creativity in junior secondary schools in Yenagoa, Bayelsa State. The study was guided by three research questions and three hypotheses. The Pretest- Postest non-randomise control group design was adopted for the study. A sample of 122 students from two intact classes selected randomly was used for the study. The instruments for data collection were the Mathematics Creativity Test (MCT) and Students Attitude towards Mathematics Questionnaire (SAMQ). The data collected were analysed using mean and standard deviation, and the Analysis of Covariance (ANCOVA). The result indicated that Laboratory method of teaching significantly enhance students’ creativity in mathematics. The method equally enhanced mathematical creativity of both male and female students. Students’ attitude towards mathematics also influenced mathematical creativity significantly. Among others, it was recommended that mathematics teachers should explore the use of laboratory method in teaching various concepts in Junior Secondary School level.
Contribution/ Originality


Arts and Education » International Journal of Education and Practice » Month: 02-2016 Issue: 2