April 2011
Optimization of fermentation processes using evolutionary algorithms - A review
Optimization of multiple objectives and constraints of fermentation process problems have been extensively studied in recent years. High-performance, robust, cost-effective and reliable computing models that provide innovative solutions to fermentation problems have been developed. This paper reviews the problems of the optimal design of batch fermentation technology and the development of computer-based solving...
April 2011
Comparative efficacy of root, bark and leaf powders of Dracaena arborea for the control of two storage insect pests
Laboratory investigations were carried out to compare the efficacy of root, bark and leaf powders of Dracaena arborea for the control of Sitophilus zeamais andCallosobruchus maculatus on stored maize and cowpea grains, respectively. Two levels of concentration (1 and 5%) of the different powders were admixed with grains to determine the contact toxicity, damage assessment, progeny...
April 2011
Mechanical behaviours of masonry walls constructed with different methods under reverse-cycling loads
In this study, experiments were performed to examine the behaviours of a masonry wall constructed with normal mortar (reference wall), masonry wall constructed with mortal, the binding property of which is improved with additive (model wall), masonry wall constructed with normal mortar, by application of horizontal joint reinforcement with epoxy resin-FRP, under reverse-cycling earthquake loads. For this reason, 3...
April 2011
Experiences of undergraduate students with literal symbols
The study investigated the results of an experiment where the researcher observed misuses of literal symbols by university students when they had to solve integration exercises. 150 university students were selected as the sample of the study. The study used examination papers, semi-structured interviews and in-class observations as the data collection instrument. The study showed cases of difficulties experienced by...
April 2011
Fastness and PF/3 evaluations of reactive dyestuffs
Fastness measurement by eyes is subjective, since it is dependent on evaluation of the observer. Sometimes problems occur because the producer and customer give different values to the same fastness test. To eliminate subjective perception of evaluating colour fastness by eyes, instrumental colour fastness measurement methods have been developed and it has been presented to the service of textile sector. The aim of this...
April 2011
Investigation in the cooperation of systemic methods: Case study of an industrial process
This article presents an application of specification techniques enabling the description of an industrial system in view to replicate it in a machine after possible modifications. Indeed, a cooperative approach of two systemic methods has been proposed on one hand and a case study of an industrial process has been applied on the other hand. It is about the storage system of cereals in Tunisia. This cooperative approach...
April 2011
The digital divide in Taiwanese unemployed adult population
The digital divide refers to the gap between individuals, households, businesses and geographic areas at different socio-economic levels with regard to their opportunities to access information and communication technology (ICT) and their use of the Internet. On-line learning is an Internet-based technology that provides people with unprecedented opportunities to learn anytime and anywhere in their own environment using...
April 2011
Treatment for production of interferon-alpha (ifn-a) and interferon-gamma (ifn-g) from the same purified suspension of leukocytes
The basic aim of this work was to examine possibilities for introducing a new biotechnological treatment for preparation, storage and further purifying the suspension of leukocytes ("buffy coat" (BC)), intended for production of human interferon-alpha (hIFN-a) and human interferon-gamma (hIFN- g). Three hundred and eighty four units of BC were examined. They were divided into three series of 128...
April 2011
Knowledge sharing in a fragmented construction industry: On the hindsight
The main motivation behind this study is to ascertain the factors that inhibit and facilitate knowledge sharing among fragmented firms in a construction industry context. By and large, the augmentation of small and medium enterprises (SME) vis-à-vis to the tapering of the large ones causes fragmentation of construction industry. With the lack of collaboration between firms, knowledge sharing might be difficult to...
April 2011
Damage detection in beam-like structure based on wavelet packet
Modern and efficient methods of structural damage detection focus on signal processing and have drawn researchers’ attention in recent years. These methods mainly are based on Wavelet Packet Transforms (WPT). The WPT is an extension of the Wavelet Transform, which provides a complete level-by-level decomposition of signal. The wavelet packets are alternative bases formed by the linear combinations of the usual...
April 2011
Experimental study on peck drilling of GFRP and prediction of drilling-induced damage using ANN
This study investigated the effect of cutting speed, pecking depth and feed rate on drilling of glass fiber reinforced polymer composite materials. Glass fiber reinforced polymer composite parts has been started to get extensively used at the industry of space, aviation, ship, chemistry and automotive nowadays. Other than these fields of usage, at processing composite parts by machining, some problems have been revealed...
April 2011
Free fatty acid composition and sensory characteristics of Örgü cheese
Two batch of Örgü cheese, a semi-hard, white, brine ripened Turkish traditional cheeses, from raw and pasteurized cow’s milk were produced. Streptococcus thermophilus and Lactobacillus bulgaricus were used as starter culture for pasteurized milk. The main FFA observed in the raw and pasteurized milk Örgü cheeses during ripening were palmitic, oleic, myristic, steric and...
April 2011
Evaluation of land value increase after expropriation process: A case study of Samsun, Turkey
Expropriation is the most frequently used method for land acquisition required for technical infrastructures projects. Expropriation is a “forced purchasing” process made by the government protecting public interest. The most important stage of the expropriation is the process of evaluation of the real estates because expropriation is accomplished through that value. In this study, value increase provided by...
April 2011
Rare and special complex aneurysm at the superior clinoid process of internal carotid artery
Three patients with extremely rare aneurysm in the superior clinoid process of internal cardotid artery were treated and the characteristics were reported including tear of aneurysm neck, thinness and tear of parent artery wall, thrombosis, and failure to clip, etc. These situations and findings on imaging were employed to evaluate the features of such aneurysms. The parent artery was irregularly calcified regionally,...
April 2011
A wireless application of drip irrigation automation supported by soil moisture sensors
Irrigation by help of freshwater resources in agricultural areas has a crucial importance. Because of highly increasing demand for freshwater, optimal usage of water resources has been provided with greater extent by automation technology and its apparatus such as solar power, drip irrigation, sensors and remote control. Traditional instrumentation based on discrete and wired solutions, presents many difficulties on...
April 2011
Trichodina fahaka (Ciliophora: Peritrichia) in Tetradon fahaka from Nile River, Egypt: Seasonality and histopathology
Specimens of Trichodina fahaka parasitizing Tetradon fahaka, collected from the Nile River, were described. Taxonomic and morphometric data for this trichodinid based on wet silver nitrate impregnated specimens were presented. The infection was severe and prevailed almost throughout the year. The overall prevalence was 45% with maximum rate during winter and minimum rate during summer. The most...
April 2011
Differential expression of Survivin in mouse marrow-derived dendritic cells of different differentiation stages
Survivin, a newly discovered member of the inhibitor of apoptosis protein (IAP) family, is over-expressed in tumor and embryonic tissues, but its expression and function in normally differentiated and maturated tissues is rarely reported. The differential expression of survivin in different differentiation stages of dendritic cells (DC), which play an important role in immune tolerance, was explored in the...
April 2011
A novel model for predicting nonlinear response of advanced V/F drive induction motor in maximizing motor efficiency
The squirrel-cage induction motors (SCIM) are the largest electrical energy consumption in the world. The efficiency of SCIM is very poor if traditional constant voltage control is used and their efficiency is further lowered as they operate other than rate condition. Therefore, the efficiency improvement of SCIM which consequently improve the power factor can play an important role in energy conservation,...
April 2011
Extrarenal arterial blood supply for renal malignancy: Origin and clinical significance
To provide theoretical guidance for interventional therapy, the origin of extrarenal arterial blood supply for renal malignancy was investigated. Routine abdominal aortography and selective arteriography were performed in 141 patients with renal malignancy. The characteristics and origins of extrarenal arterial blood supply for renal malignancy were analyzed. Among the 141 patients, extrarenal arterial blood supply for...
April 2011
Predicting Los Angeles abrasion of rocks from some physical and mechanical properties
Rock aggregate is widely used in building constructions and most public projects including roads, bridges, railroad etc. Aggregates, which do not have adequate toughness and abrasion resistance, may cause construction and performance problems. To assess the abrasion resistance of aggregates, the most common method is the Los Angeles abrasion (LAA) test determining the relative competence or resistance to abrasion of the...
April 2011
Parameter estimation and outlier detection with different estimation methods
The best suitable values of unknown parameters are determined by adjustment of observations done more than the number of unknown parameter in applied sciences. Adjustment methods should determine the outlier, that inevitably exists in the observations, while doing estimation of the best appropriate parameter for the unknown parameters. The adjustment is made on the basis of an objective functions with the best parameter...
April 2011
Spitting success and accuracy in archer fishes Toxotes chatareus (Hamilton, 1822) and Toxotes jaculatrix (Pallas, 1767)
Spitting success and accuracy of two congeneric archer fishes Toxotes chatareusand Toxotes jaculatrix were studied to determine whether spitting success and accuracy rate varied with height and/ or group size. Overall, individuals of both species exhibited greater spitting success rate when alone than in a group. Greatest spitting success was observed in T. jaculatrix (29.87%) when alone...
April 2011
Morphometric evaluation of the effect of methenolone enanthate on femoral development in adolescent rats
The effect of Methenolone Enanthate (ME), one of the Anabolic-Androgenic Steroids (AAS), used as a muscle amplifier and for doping by athletes, on the femur bone development of adolescent male and female rats has been researched in this study. Three different groups for each male and female rat, including 8 rats of each, (ME, V, C) were formed and a total of 48 rats were used. The subject groups were given 0.5 mg/kg...
April 2011
Fuzzy logic evaluation of reverse logistics performance in the automotive industry
This study was aimed at evaluating the performance of the reverse logistics process in the automotive industry. Fuzzy logic was applied in assessing the performance of the reverse logistics process using a case study. Linguistic variables were used to represent the performance of the metrics, and the variables were converted into fuzzy numbers. Fuzzy operators were applied to these numbers to obtain the performance of...
April 2011
IgG Enzyme-Linked Immunosorbent Assay (ELISA) for immunodiagnosis of Schistosoma haematobium infected subjects living in an endemic Nigerian village
Schistosoma haematobium infects school children in areas where the disease is endemic. This study was carried out to determine the reliability of IgG Enzyme-Linked Immunosorbent Assay (ELISA) as an immunodiagnostic tool, using whole antigen derived from Schistosoma eggs. Children of school going age living in Ipogun village, in south western Nigeria; a schistosomiasis endemic community;...
April 2011
Post-harvest losses in tomato and fresh bean production in Tokat province of Turkey
In the present study, behaviors of farmers in Tokat Province towards marketing of tomato and fresh bean were studied. Basic material of the study was the data obtained from tomato and fresh bean producing farmers in Central District of Tokat Province using a face-to-face questionnaire. Simple Randomized Sampling Method was used to determine the sample size. Available marketing facilities, problems related to them and...
April 2011
Some properties and sensory characteristics of Lebeni made from cow’s and sheep’s milk yogurt
Lebeni is a traditional food made from yogurt and yarma (processed wheat), consumed as appetizer or soup. It is a nutritious meal for digestible protein, calcium and phosphor, which constitute very important source to prevent osteoperosis. In case of preparing cold, lactic acid bacteria may be introduced via lebeni. In this research lebeni samples were prepared from cow’s milk and sheep milk yogurt, they were...
April 2011
Heavy metals in surface soils of groves: A study from Istanbul, Turkey
Green urban spaces and groves provide important entertainment and recreation opportunities for city residents. Many such places include historical structures, and so are also open to tourism activities. The present study determined the heavy metal contents in surface soils of some groves in Istanbul and investigated the interaction between some heavy metals (CU, Ni, Zn and Pb). In addition, the extent of the pollution...
April 2011
Investigation the using possibilities of some mineral-bound organic composites as thermal insulation material in rural buildings
Using possibilities of some mineral-bound organic composites as thermal insulationmaterial in rural buildings was investigated in this research. For this purpose, using rice husk (RH) and ground sunflower stem (SS) as the main material and cement andgypsum as mineral-binding materials, series I and series II samples with the volumetric mixing...
April 2011
Impact of mild hypothermia after ischemia/reperfusion on the cerebral blood perfusion of rats with chronic cerebral hypoperfusion
This study aimed to investigate the impact of mild hypothermia on cerebral blood perfusion in rats with chronically hypoperfused brain. After ischemia/reperfusion, 12 male healthy Sprague Dawley (SD) rats were randomly divided into normal temperature group (group NT, n=6) and mild hypothermia group (group MH, n=6). The cerebral hypoperfusion model was successfully established by end-to-end anastomosis of the...
April 2011
Field detection of proteins by a disposable strip
A novel disposable strip which included filtration membrane, reaction film, absorbent pad, substrate and plastic card was designed to detect proteins on site. Protein samples percolated through the filtration membrane, a protein-dye complex was generated by the quick binding reaction between the passed protein and the dye Coomassie Brilliant Blue G-250 which was adsorbed in the reaction film. Meanwhile, the film color...
April 2011
A study on hand clasping traits in an African population
Polygenetic mode of inheritance. This study was conducted amongst unrelated volunteer Nigerian students of Delta State University, Abraka, Nigeria. It included 234 female and 189 male, whose age ranged from 18 years and over. a Standard methods were applied in recording hand clasping. The incidence and distribution of hand Variations in phenotypic traits occurring in humans have been described to be a result of several...
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