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International Journal of Advances in Applied Sciences

IJAAS
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Published by Institute of Advanced Engineering and Science

ISSN : 22528814 EISSN : 27222594 DOI : http://doi.org/10.11591/ijaas

Core Subject : Science, Education, Social,

Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Physics

International Journal of Advances in Applied Sciences (IJAAS) is a peer-reviewed and open access journal dedicated to publish significant research findings in the field of applied and theoretical sciences. The journal is designed to serve researchers, developers, professionals, graduate students and others interested in state-of-the art research activities in applied science areas, which cover topics including: chemistry, physics, materials, nanoscience and nanotechnology, mathematics, statistics, geology and earth sciences.

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Articles 7 Documents

Search results for , issue "Vol 2, No 2: June 2013" : 7 Documents clear

Sedimentology and Tectonic Setting of Sachun Formation in Folded Zagros Zone (SW Iran) Mohammad Bahrami; Solmaz Arzaghi; Mohammad Sahraeyan
International Journal of Advances in Applied Sciences Vol 2, No 2: June 2013
Publisher : Institute of Advanced Engineering and Science

The Sachun Formation (Paleocene- Lower Eocene), has been formed in Zagros basin, and has 1415 meters thickness in its type section. Sachun Formation sequence at the southern part of Kuh- E- Mianjangal, in Folded Zagros Zone in southwest of Iran, with a thickness of 580 meters was formed of two members. The Lower Member consists of about 280 meters thin to medium bedded of marl, marlstone and argillaceous, silty and sandy limestone with color of light gray to bluish gray, and associated with gypsum inter- layers, which are repeated continuously upward. In each of the alternations or cycles, the terrigenous grains size increase upward which is due to the depth decreasing in each cycle. The Upper Member consists of about 300 meters alternation of gypsum and marl, light gray to bluish gray associated with inter- layers of argillaceous and silty limestone. Microscopic studies of argillaceous limestone, in both members, have showed micrite and pelmicrite microfacies. No distinct fossils, either microscopic or macroscopic, are found in these members in the studied section. Sachun Formation facies have been deposited in a shallow depositional basin which has been controlled by a permanent sea level changes. Among the marine environments, peritdal environments show the most and the best correlation with the Sachun Formation facies. According to the sedimentary records, Sachun Formation has been deposited in a tectonically instable basin.

An Attempt to Relate Consolidation Properties: A Case Study in Baghdad Cohesive Soil Abbas Jawad Al-Taie; Bushra S. Al-Busoda
International Journal of Advances in Applied Sciences Vol 2, No 2: June 2013
Publisher : Institute of Advanced Engineering and Science

The main focus of this study is on the soil properties (preconsolidation pressure (Pc), and overconsolidation ratio (OCR)), that are critical in the determination of the settlement behavior of the structure. Prior knowledge of these properties, even approximate values, will be assets during the planning stages to determine the suitability of structure site. Conducting laboratory tests for the determination of (Pc) will be costly both in terms of time and money. In the present study a specific empirical correlation models are proposed to estimate the (Pc) and (OCR) of undisturbed cohesive soil of Baghdad city using large number of consolidation data. The (Pc) and (OCR) are dependent variables and are treated as functions of natural void ratio (eo), natural moisture content (wo), total unit weight (gt) , dry unit weights (gd), and overburden pressure (Po) which are termed as independent variables. The regression analysis revealed that (eo) and (Po) yielded sufficiently reliable correlation to estimate (Pc). Also, a good estimation was obtained for (OCR

Cost effective and Monodispersed Zinc Oxide Nanoparticles Synthesis and their Characterization Rohit Saraf
International Journal of Advances in Applied Sciences Vol 2, No 2: June 2013
Publisher : Institute of Advanced Engineering and Science

Zinc Oxide (ZnO) Nanoparticles are most widely used in the field of Biotechnology and Nanoelectronics due to their good transparency, high electron mobility, strong room-temperature luminescence and nontoxic. Due to their increasing demand, highly specified and monodispersed nanoparticles formation is a revolutionary field. Here ZnO nanoparticles are prepared by modified sol-gel method and are characterized using UV-Vis Absorption Spectroscopy, X-ray Diffraction and Scanning Electron Microscopy (SEM). Modified sol-gel mediated ZnO nanoparticles are proved to synthesize the highly stable, monodispersed and cost effective nanoparticles. The results are quite appreciable and wide band gap- long range ordered ZnO nanoparticles are obtained than the conventional route.

Method for the Solution of Interval Systems of Linear Equations Sarangam Majumdar; S Chakraverty
International Journal of Advances in Applied Sciences Vol 2, No 2: June 2013
Publisher : Institute of Advanced Engineering and Science

System of linear equation (crisp) can be solved in a various way .In the real world problem parameters are in interval form .In this paper we discuss the solution of interval system of linear equations and proposed a new method for handling this type of system of linear equations. In this model we consider the coefficient matrix and the right vector as interval. Example problems are given to have the efficiency and powerfulness of the proposed method.

Study of Mechanical and Physical Properties for SiC/ Al Composites Amera G. Baker
International Journal of Advances in Applied Sciences Vol 2, No 2: June 2013
Publisher : Institute of Advanced Engineering and Science

The micro-structural changes and mechanical properties were investigated in an Al reinforced with SiC particles which synthesized using powder technology technique. SiC/Al composites containing four different weight percentages 40%, 50%, 60% and 70% of SiC. X-ray diffraction was used to characterization and observes the phases formed in the process of sintering at different temperatures (800 0C, 1100 0C). Crystallite sizes calculated from Scherer relation, the grain size of the SiC/Al are observed to increase with the increasing in the sintering temperature of the samples. The hardness tests were conducted in the suitable Hardness Testing Apparatus by choosing appropriate scales of loading and measurement. The test revealed a marked increase in the Vickers hardness with respect to the base composites as well as silicon carbide. It was found from the experimentation that the hardness rate increases with increasing weight fraction of silicon carbide (SiC) and sintering temperature. The best results have been obtained at 70% weight fraction of SiC particles at 1100 0C. The aim of this investigation is to obtain the fundamental understanding of the micro structural changes of the Al matrix composites reinforced with SiC particles and mechanical properties.

Design and Construction Optical Fiber Sensor System for Detection the Stress and Fine Motion Bushra R. Mhdi; Nahla A.Aljabar; Suad M.Ali; Abeer H.Khalid
International Journal of Advances in Applied Sciences Vol 2, No 2: June 2013
Publisher : Institute of Advanced Engineering and Science

Two main concepts in design and construction of stress and fine motion detection system using fiber optic sensor was included in this project. The first is design and construction concept using Intensity Modulation techniques using plastic multimode optical fiber(125μm dim)and has NA(0.27) with losses rate (2.1 db)and directionality about(25 db),and we used (He-Ne)laser source(632.8 nm)with (LLM-2 light power meter) to detect the variation in output laser power due to micro-displacement for movement body under test. The second concept include Modeling for laser beam tracking through fiber and that which reflected for mirror to detector. Variation in output power due to target movement was theoretical analyzed from study of variation of Gaussian front wave profile of using (MATLAB) program within displacement range from(0-5 mm).Non-linear relation between separated distance and beam intensity was investigated. Finally our design are evaluated in comporizim with published research which found compatible in Theoretical and experimental results.

Self-fertility of Four Female Parent Clones of Ananas comosus L., involved in a 6x6 Complete Diallel Mating System with Selfings using the Typological Approach Issali Auguste Emmanuel; Nguessan Angelo Evariste Badou; Mpika Joseph; Adiko Amoncho; Sangare Abdourahamane; Saraka Didier Martial; Deffan Zranseu Ange Bénédicte
International Journal of Advances in Applied Sciences Vol 2, No 2: June 2013
Publisher : Institute of Advanced Engineering and Science

To determine the cropping type to apply to four clones of Ananas comosus in farms, their behaviour under hand selfings was analysed. 103-104-6, 410-106-33 and 410-200-15 hybrid female clones and RE43 Queen Victoria clone as well as HA10 and HA25 as controls were involved in a 6 x 6 complete diallel crossing system with selfings. The total seeds number derived from self hand-pollinations per week, mean seeds number obtained per self-pollinated flower and per week, weight of ripe fruit and bloomed flowers number per week were measured. The Anova, Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA) were successively run. Results showed that 410-200-15 was revealed self-incompatible, while RE43 is found to be self-sterile. In the same way, 410-106-33 expresses self-sterile behaviour, whereas 103-104-6 shows the self-fertile one. The behaviour under selfings of both 410-200-15 and 410-106-33 comes from their HA10 Smooth Cayenne female parent which was previously characterised like self-incompatible. The structurings provided by the Anova and HCA are globally comparable. The 410-200-15 hybrid clone can already be recommended for on-farm trials under mono-crop. Nonetheless, the multi-crop will be envisioned once panmixia results will have demonstrated its inter-sterility. The 410-106-33 and 103-104-6 must be first subjected to successive back crosses before their on-farm trials. The RE43 clone must be cultivated in one crop. The morphological relatedness of five clones is discussed.

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