February 2011
A review on fatigue and rutting performance of asphalt mixes
Fatigue and rutting are very well known to be the two popular distresses that occur in road pavement. These are mainly due to the increase in the number of vehicles particularly those with high axle loads, due to the environmental conditions and also due to construction and design errors. As a consequence the service life of asphalt pavement is affected and will be decreased. Various researches reported that using...
February 2011
Techniques for vertical handoff decision across wireless heterogeneous networks: A survey
The dawn of the next generation wireless networks will be characterized by the ability to integrate currently available heterogeneous networks. Network integration will not only bring about the realization of ubiquitous connectivity (anytime, anywhere), it will also achieve the dream of always best connected (ABC). This is because these heterogeneous networks are complementary, for example, the universal mobile...
February 2011
Experimental investigation of single-phase and two-phase closed thermosyphon solar water heater systems
This study represents an experimental performance comparison between single-phase and two-phase closed thermosyphon solar water heater systems (SWHS). For this aim, two identical small-scale SWHSs were constructed side-by-side. The tests were performed under same environmental and load conditions. In the first one of these systems, water was used as working fluid in the solar collector in the conventional SWHS called...
February 2011
Traditional knowledge of edible plants among the Temuan Villagers in Kampung Jeram Kedah, Negeri Sembilan, Malaysia
The authors report a total of 69 species of edible plants used by the villagers in Jeram Kedah village. The edible parts were obtained equally from wild plants and cultivated plants. A total of 28 species were eaten cooked compared to 23 species eaten raw. Fruits and seeds were the most common parts used with a total of 38 species followed by leafy parts with 15 species. It is important not only to record such native...
February 2011
Systematic generation of network functions for linear circuits using modified nodal approach
In this paper, a systematic and efficient formulation method is presented for obtaining the network functions of linear or linearized time-invariant circuits. The method employs the modified nodal approach to obtain the system equations. The technique is based on developing a matrix formulation for generating network functions. By using both symbolic manipulation of algebraic expressions and numeric processes, the...
February 2011
Web-based interface of chaotic swing dynamics in electric power systems
Researchers have showed that bifurcation and chaos theory are a proper and applicable method to study the mechanism of producing cascading failure in a power system by numerous studies. Because of the need for this analysis of cascading failures in power system, we should use such chaotic models and bifurcations models which require strong mathematical background for nonlinear differential equation solution tools and...
February 2011
The effect of water absorbtion in cast PA6G material on processing parameters
In this study, parameters that effect metal cutting process of cast PA6G (Castamide) material whose usage area in machine design and production has been increasing is investigated. Castamide is an engineering plastic whose mechanic strength values are high, durable towards corrosion and suitable for metal cutting. However due to the physical feature of the material; it has the feature of water absorbing in about 7%...
February 2011
Impact of water-saving superabsorbent polymer on oat (Avena spp.) yield and quality in an arid sandy soil
Oat is a promising forage crop in arid northern China where low precipitation, land degradation and shortage of forage resources for animal production during winter have accentuated the need for alternative forage crops. Our objective was to determine the growth, biomass production and grain yield plus forage quality of oat (Avena spp.) using different rates of superabsorbent polymer (0, 30, 60, 90 and 120 kg/ha)...
February 2011
Benchmarking telecommunications in developing countries: A three-dimensional approach
This paper reports different aspects of telecommunications development that need to be addressed when performing cross country performance assessments. The paper proposes an integrated approach in terms of theoretical background and analytical tools for benchmarking. The proposed three-dimensional benchmarking model, called ISER, consists of the assessment of ‘Information Society, sector Efficiency and...
February 2011
Evapotranspiration, irrigation water applied,and vegetative growth relations of young apricot trees under different irrigation regimes
This study was carried out between 2004 and 2008 to investigate effects of different irrigation regimes on crop water use and vegetative growth of drip-irrigated young apricot trees. Six different irrigation treatments were used: five of which (S1, S2, S3, S4, and S5) were based on adjustment coefficients of Class A pan evaporation (0.50, 0.75, 1.00, 1.25, and 1.50). The other treatment (S6) was regulated deficit...
February 2011
Aerobic denitrification of a Pseudomonas sp. isolated from a high strength ammonium wastewater treatment facility
An aerobic denitrifier (termed X31 in this study) isolated from a wastewater treatment facility treating high strength ammonium wastewater was genetically identified, and morphologically and physiologically characterized. Its aerobic denitrification performance was also studied under various levels of DO, pH, temperature, and C/N ratios, as well as three carbon sources....
February 2011
Effects of forest habitat to brown trout: A case study from Northeastern Turkey
Brown trout (Salmo trutta macrostigma) is regarded as a most sensitive species to ecosystem changes. Habitat quality especially in the forest areas can be thought as the most crucial element for survival of brown trout population. This case study compared brown trout population size in response to forest habitats. The study was carried out by field survey, direct observation for brown trout population and survey...
February 2011
Influence of different sowing times on mineral composition and vitamin C of some broccoli (Brassica oleracea var. Italica) cultivars
Broccoli has a significant position in Cruciferea family through the vitamin C and mineral nutrients it contains. Vitamin C and mineral content in vegetables vary depending upon different sowing times. In this study, the change of vitamin C and minerals was examined in 3 different sowing times “July the 1st (ST1), August the 1st (ST2) and September the 1st (ST3)” for 4 broccoli cultivars...
February 2011
An extended VIKOR method for multiple attribute group decision making based on generalized interval-valued trapezoidal fuzzy numbers
With respect to multiple attribute group decision making (MAGDM) problems inwhich the attribute weights and attribute values take the form of the generalized interval-valued trapezoidal fuzzy numbers, a new group decision making analysis method is proposed. Firstly, some operational laws, the distance between two generalized interval-valued trapezoidal fuzzy numbers, and transformation from the linguistic variables to...
February 2011
Construction and identification of mouse RelB siRNA-expressing lentiviral vectors
To determine the silencing efficiency of target genes by lentiviral vector-derived siRNA, this work constructed mouse RelB siRNA-expressing lentiviral vectors. Positive clones were screened by polymerase chain reaction (PCR) and identified by enzyme digestion as well as subsequent sequencing. RM-1 cells were transfected with liposome encapsulated siRNA, and Western blot and PCR were employed to detect the expressions of...
February 2011
Construction and identification of mouse RelB siRNA-expressing lentiviral vectors
To determine the silencing efficiency of target genes by lentiviral vector-derived siRNA, this work constructed mouse RelB siRNA-expressing lentiviral vectors. Positive clones were screened by polymerase chain reaction (PCR) and identified by enzyme digestion as well as subsequent sequencing. RM-1 cells were transfected with liposome encapsulated siRNA, and Western blot and PCR were employed to detect the expressions of...
February 2011
Activated expression of CD27-CD70 co-stimulatory molecules in inflamed and non-inflamed tissues of intestinal mucosa in patients with inflammatory bowel disease
To examine the role of the CD27-CD70 co-stimulatory pathway in the pathogenesis of inflammatory bowel disease, we compared the expression of CD27-CD70 co-stimulatory molecules in inflamed and non-inflamed tissues of intestinal mucosa in patients with inflammatory bowel disease and in healthy controls. A total of 32 patients with Crohn’s disease, 41 patients with ulcerative colitis and 40 healthy controls were...
February 2011
Precise point positioning versus traditional solution for GNSS networks
In this study, the availability of precise point positioning techniques are investigated to resolve the positioning problem of global navigation satellite system networks and reference stations by using 7-days, 24 h observation data of 60 stations from active GPS network of ordnance survey, which are located in the south of United Kingdom. The solutions have been investigated for coordinate convergence and the necessary...
February 2011
Amplification characteristics at artificial Island considering viscoelastic effects of cohesive soil
The aim of the present paper was to perform a one-dimensional finite element analysis of layered ground according to a cyclic viscoelastic-viscoplastic theory. In order to estimate the viscous effects of clay over a wide range of strain levels, a viscoelastic-viscoplastic constitutive model for clay was proposed. First, we confirmed the performance of the proposed model by simulating cyclic undrained triaxial tests to...
February 2011
Combining compost with urea: Nitrogen and phosphorus recovery by cabbage and leaching under imposed high rainfall condition in the greenhouse
Data from one cabbage growing season was used to compare nitrogen (N) and phosphorus (P) recovery and leaching between independent and combined application of composted manure and urea in the greenhouse. Treatments included: chemical-fertilizer (NPK at 250:80:150 kg ha-1, respectively), organic-fertilizer (250 kg N from 16 Mg ha-1 of compost), low-combination (125 kg N from urea and...
February 2011
Effects of combination gene therapy system pcDNA3.1(-)-shVEGF/yCDglyTK on proliferation of gastric cancer cells
The U6-shRNA expression cassette of pGenesil-1-hVEGF4-shRNA was subcloned into the skeleton vector, fusion suicide gene pCDNA3.1(-)-CV-yCDglyTK synthesized in preliminary studies to establish the combination gene therapy system pCDNA3.1(-)-shVEGF/yCDglyTK, so as to investigate the effects of the combination gene therapy system on proliferation and apoptosis of gastric cells. MTT assay showed that cell growth in the...
February 2011
Establishment and evaluation of the sdf-1a over-expressing mouse parkinson disease model
In the present study, to establish a stromal cell derived factor-1a (SDF-1a) mouse Parkinson’s disease (PD) model, low-dose 1-methyl-4-phenyl-tet-rahy dropyridine (MPTP) was subcutaneously injected at different time points into mice which had been intracerebrally treated with pDsRed2-N1-SDF-1a, and behaviors were observed at different time points. The pod-grabbing time, the number of tyrosine hydroxylase...
February 2011
Some ecological characteristics and the flora of Gölcük District and its environs (Kocaeli-Turkey)
Some ecological characteristics and the flora of Gölcük District and its environs are represented in this study. All the greenery in the district during 2006 to 2009 vegetation seasons was explored. Plant samples were collected, dried, labeled, and determined according to the standard herbarium methods. At the end of the study, 461 species belonging to 295 genera and 85 families were identified. Seven of the...
February 2011
Efficient bit-parallel multi-patterns approximate string matching algorithms
Multi-patterns approximate string matching (MASM) problem is to find all the occurrences of set of patterns P0, P1, P2...Pr-1, r≥1, in the given text T[0…n-1], allowing limited number of errors in the matches. This problem has many applications in computational biology viz. finding DNA subsequences after possible mutations, locating positions of a disease(s) in a genome etc. The MASM problem has been...
February 2011
Effect of late reperfusion of infarct-related coronary artery on cardiocyte apoptosis in a dog acute myocardial infarction model
To investigate the effect of late reperfusion of infarct-related coronary artery on cardiomyocyte apoptosis and expressions of bcl-2/bax in the risk areas in a dog acute myocardial infarction (AMI) model, a total of 28 dogs were randomly divided into the three groups: SHAM group (n=8), AMI group (n=10) and late reperfusion (LR) group (n=10). Coronary artery was exposed after thoracotomy. The left anterior descending...
February 2011
A GA-based image alignment approach for tissue image matching
Tissue image matching is important in tissue microarray (TMA) processing, during which massive patient samples are embedded in a single paraffin-based block for simultaneous analysis of pathological features. Prior to TMA processing, the images of the donor block and the corresponding slide must be aligned to determine the desired punching locations. This study developed a genetic algorithm (GA)-based image alignment...
February 2011
Development of Mie LIDAR system and initial cloud observations over Central Himalayan region
Aryabhatta Research Institute of Observational Sciences (ARIES) at Manora Peak (29° 22’ N, 79° 27’ E), Nainital is located in the Central Himalayan region at an altitude of ~ 1950 m. This free tropospheric site away from urban pollution has potential to study the dynamics of lower atmosphere. Taking advantage of its geographical location, a ground based monostatic pulsed Mie LIght Detection and...
February 2011
The influence of climate and privacy on indigenous courtyard houses in Diyarbakır, Turkey
This article explores the effects of climate and privacy measures on the characteristics of indigenous courtyard houses in Diyarbakır. It compares the characteristics of courtyard houses in Diyarbakir, Turkey, to houses in some Middle Eastern countries. The study sample consisted of fifty historical courtyard houses in Diyarbakır. The results of the study revealed that, like the similar houses in Middle East, there is...
February 2011
Effects of naoshuning on the plasma TNF-α, IL-1β and ICAM-1 levels in a rat brain ischemia-reperfusion injury model
To investigate the effects of naoshuning on plasma TNF-α, IL-1β and ICAM-1 levels in a rat brain ischemia-reperfusion injury model. 72 rats were randomly divided into four groups (n=18): Sham group, ischemia-reperfusion (IR) group, naoshuning group and ginaton group. Middle cerebral artery occlusion (MCAO) was performed in rats for 2 h followed by 1, 7 and 14 days of reperfusion. Animals were sacrificed and...
February 2011
A cosmically whole ethical system: How to attain a sustainable energy consumption and development, and a most stable world peace?
Herein a concise, thoroughly scientific ethical system is presented, based on the author’s life lasting scientific research, condensed in basically two books (Yarman 1997; 2010), published respectively by Editions Quorum, Brussels, and by Nova Publishers, New York. We would like to call it, “Cosmic Wholeness”, leading to our creation in the universe, throughout a most striking “universal matter...
February 2011
Unconfined compressive strength and micro-structural properties of cemented sand and gravel materials
The purpose of this study is to provide basic information for the utilization of theenvironmentally-friendly and economically outstanding CSG (cemented sand andgravel) construction method, which includes the physical and mechanical properties of CSG materials, such as the unconfined compressive strength, themicroscopic structure and the freezing and...
February 2011
Design of combined robust controller for a pneumatic servo actuator system with uncertainty
In this paper the position control design of a pneumatic servo actuator system using a combined H-inf /QFT technique is presented. First, an H-inf controller is designed to assure robust stability for the system. Particle swarm optimization (PSO) algorithm is used to tune the weighting functions. This method is used to find the optimal values of weighting functions parameters that lead to obtain an optimal...
February 2011
Bioaccumulation of nutrient and heavy metals by Calotropis procera and Citrullus colocynthis and their potential use as contamination indicators
The concentrations of nutrient heavy metals in the roots, stems and leaves of medicinal plants Calotropis procera and Citrullus colocynthis, and in the corresponding sediment samples from Al-Riyadh and Gazan, Saudi Arabia, were investigated to ascertain whether plant species and organs are characterized by differential accumulation, and to test the suitability of the various organs for nutrient and heavy...
February 2011
Shear resistance of channel shear connectors in plain, reinforced and lightweight concrete
This paper presents an experimental study on determining shear resistance of channel shear connectors in a solid concrete material slab under monotonic loading. The solid concrete slab is of different types of concrete including plain, reinforced and lightweight concrete. The channel shear connector length is varied as well. A series of push-out specimens were tested for this study. The results verified using channel...
February 2011
Effects of rice husk ash on characteristics of the briquette produced for masonry units
This study was carried out to investigate the physical and mechanical properties of briquette produced from rice husk ash (RHA). To do this, six briquette classes were formed by changing the volume of RHA and cement and porous briquettes were produced for each class according to Turkish Codex no. 406 (TS 406) and tested. Increasing ratio of RHA volume affected the compressive strength, water absorption and losses due to...
February 2011
An ontology-based visualization for mobile geoinformation services
In mobile geoinformation services, most intelligent systems ignore the users’ states and roles and only include the user's location. However, different user profiles need customized visualization styles in order to provide relevant spatial data. With the availability of a variety of data sources and the ability for continuous data updates, the service is able to perceive and react to instant changes. The aim...
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