Scientific Research and Essays

  • Abbreviation: Sci. Res. Essays
  • Language: English
  • ISSN: 1992-2248
  • DOI: 10.5897/SRE
  • Start Year: 2006
  • Published Articles: 2738

Table of Content: 10 December, 2012; 7(48)

December 2012

Effects of occupation and physical features on musculoskeletal pain: Correspondence analysis

The objective of this work is to evaluate the effect of occupation and physical features on musculoskeletal pain location. One thousand, nine hundred and eighty seven (1987) voluntary adults participated in the study from 7 regions of Turkey in 2006. Subjects with musculoskeletal pain of at least one month's duration that had been recurrent minimally twice in any regions of the body and who had not taken any...

Author(s): H. Hakan UYSAL, Ali CIMBIZ, Nevin UZGOREN, Cihan C. AKSOY and Nilay Y. SAHIN

December 2012

Directory knowledge, query stream and weighted state space tree based automatic web query classification

Optimal automatic classification of web queries aid in improving the performance of search engines. To automatically classify web queries into predefined topical categories, a novel approach which transforms a classification problem to a search problem in the state space tree is proposed. The topical categories are converted to a state space tree. The directory search results and query stream are used in determining the...

Author(s): S. Lovelyn Rose and K. R. Chandran

December 2012

High temperature oxidation behaviour of a Ni based superalloy produced by mechanical alloying

In this study, Ni based superalloy powders (75% Ni, 20% Cr, 4% Al2O3, 0.6% Ti and 0.4% Y2O3), were mechanically alloyed for up to 8 h and were compacted and sintered at 1200°C. Sintered samples were hot-deformed at 1200°C for various amounts and secondary recrystallisation was applied at 1325°C for 1 h. Isothermal oxidation tests were conducted at 1000°C for up to 100 h in air. Surface...

Author(s): Mehmet ERDEM and Mehmet TURKER

December 2012

Performance of Prosopis africana peel powder (PAPP) as a novel sorbent for remediating malachite green contaminated aqua system

This study was designed to investigate Prosopis africana peel powder (PAPP) as a potential, local, cost-effective, readily-available coagulant for remediating dye-contaminated water and compare it with activated charcoal (a standard coagulant).PAPP was prepared and characterized using standard procedures. Preliminary characterization of the malachite green (MG) contaminated water was carried out...

Author(s): Petra Obioma Nnamani, Franklin Chimaobi Kenechukwu, Okonkwo Chigozie Chika and Fred Chibuisi Otuu

December 2012

Performance analysis of modeling framework for wind speed prediction in wind farms

This paper focuses on the analysis of prediction of wind speed in the wind farms. The performance of modeling can be analyzed by using the real time data with different heights of the wind mill. Artificial Neural Network is used here to develop models for predicting wind speed in wind farms. The models are mainly based on back propagation neural network and radial basis function neural network. The wind speed prediction...

Author(s): K. Gnana Sheela and S. N. Deepa

December 2012

Antibacterial activity of the methanol extracts of two endemic Sideritis species of Turkey against plant pathogenic bacteria

Sideritis condensata Boiss. & Heldr. (SC) and Sideritis erythrantha var. erythranthaBoiss. & Heldr (SE) are endemic species in Turkey. The extracts of the endemic species were investigated for antibacterial activity against thirteen plant pathogenic bacteria in vitro by using the agar diffusion method. Statistical differences within bacteria were important at   p <...

Author(s): Esin BASIM, Hüseyin BASIM, Gülcan ÖZKAN and Osman SAĞDIÇ

December 2012

Antibacterial activity of the methanol extracts of two endemic Sideritis species of Turkey against plant pathogenic bacteria

Sideritis condensata Boiss. & Heldr. (SC) and Sideritis erythrantha var. erythranthaBoiss. & Heldr (SE) are endemic species in Turkey. The extracts of the endemic species were investigated for antibacterial activity against thirteen plant pathogenic bacteria in vitro by using the agar diffusion method. Statistical differences within bacteria were important at   p <...

Author(s): Esin BASIM, Hüseyin BASIM, Gülcan ÖZKAN and Osman SAĞDIÇ