Application of the global indicators to landscape change modeling on Prahova Valley (Romanian Carpathians and Subcarpathians)
February 2011
Interdisciplinary approaches to landscape assessment are an extremely important component of environmental issues modelling and, consequently, of sustainable development. Thus, in recent years, specific indicators whose understanding and application requires a multidisciplinary background have been widely introduced and used. Examples of such indicators are landscape metrics, which reveal quantitative...
Pan evaporation analysis in central México: Trends, self-affinity and important frequencies
February 2011
Long-term monthly pan evaporation time series registered at 40 meteorological stations located within Mexico’s state of Zacatecas were analyzed in order to identify their trends. In addition, we analyzed the power spectrum signals of evaporation anomaly series in order to identify their important frequencies and its possible connection with periodic phenomena. Results suggest that negative trends are...
National and regional landscape classification and mapping of Turkey: Konya closed basin, SuÄŸla Lake and its surrounding area
February 2011
Each country ratifying the European landscape convention (ELC) is responsible for identifying their landscapes, integrating their approaches about landscape planning into the other sectoral plannings. Although the studies to classify landscapes at local scale in our country have been carried out for the last four decades, those at national and regional scales have gained importance along with the ELC in...
Comparison between Mahalanobis classification and neural network for oil spill detection using RADARSAT-1 SAR data
February 2011
Oil spill or leakage into waterways and ocean spreads very rapidly due to the action of wind and currents. The study of the behavior and movement of these oil spills in sea had become imperative in describing a suitable management plan for mitigating the adverse impacts arising from such accidents. But the inherent difficulty of discriminating between oil spills and look-alikes is a main challenge with...
GIS-based multidate flood forecasting using hydraulic model
February 2011
Flood plains and the area near to the rivers channels, because of their special circumstances such as fertility and water resources are appropriate situations for the social and agricultural activities, but due to morphological characteristics usually, these area are affected by different flood hazards. However, in these areas, determination of flood zone and its height and also detecting properties of floods...
Exact solutions of N-Dimensional Schrödinger equation for a potential containing coulomb and quadratic terms
February 2011
We encounter Coulomb and quadratic terms in the Hamiltonian relation in many branches of physics. Here we consider the N-dimensional space Schrödinger equation in the presence of Coulomb and quadratic terms and analytically calculate the eigenfunctions and the corresponding eigenenergies. Key words: Schrödinger equation, N-dimension, Coulomb and quadratic potentials. PACS...
Suppression of the Buoyoncy-driven Instability of plasma by Larmor radius effects
February 2011
Using the magnetohydrodynamic equations with ion gyro-radius corrections, the gravity-driven instability of plasma is analyzed here for the mode which has non zero projection of the wave number along the unperturbed magnetic field. Employing the normal mode technique, the stability analysis had been carried out through the eigen value solution. The suppression of the buoyancy-driven instability in an...
Modelling of the fuzzy logical system for offering support in making decisions within the engineering units of the Serbian Army
February 2011
The paper presents a decision making process when choosing the location for the establishment of bridge crossing point in order to overcome water obstacles. Since the decision making process is followed by a bigger or smaller degree of undefined criteria that are necessary for making relevant decision, the fuzzy logic was used for the exploitation of those uncertainties and ambiguities. The paper presents the...
Middle managers selection for third-party logistics service providers
February 2011
Since the selection of middle managers is critical to the development of organizations forthird-party logistics service providers (3PLs), how do the organizations of 3PLs select and recruit competent middle managers? The decision-making for middle managers selection poses a multi-criteria problem and faces a fuzzy environment. Hence, the aim of this paper is to develop a fuzzy multiple criteria...
Premature failures in plate bonded strengthened RC beams with an emphasis on premature shear: A review
January 2011
The aim of the present study is to review the performance of plate bonded flexurally strengthened reinforced concrete beams. This paper also describes the methods and materials used for flexural and shear strengthening of reinforced concrete beams and weaknesses of plate bonded systems. The plate bonding method often has some serious premature debonding failure which can be classified as plate end debonding (end...
A review of control architectures for autonomous navigation of mobile robots
January 2011
A mobile robot as an intelligent system needs to sense the surroundings, perceive the working environment, plan a trajectory and execute proper reaction using the information. Robotic control architectures define how these abilities should be integrated to construct and develop an autonomous navigation. The control architectures could be classified into three categories: Deliberative (Centralized) navigation, Reactive...
Trinity is a numerical model of the holographic universe
January 2011
The universe is in some sense a numerical holographic structure. About 15 billion years ago all of the matter and energy in the universe was concentrated into an area the size of a single atomic nucleus with a trinary organization and order. Then suddenly, the universe began to expand at an incredible rate, this event has been called the big bang. After the big bang the first source of matter is formed....
Optimization of intermediate anchors to eliminate premature shear failure of CFRP laminate flexurally strengthened R.C beams
January 2011
Flexurally strengthened RC beams usually fail by means of premature shear due to low shear as compared to flexure. Intermediate anchors in the length of shear span of those beams would successfully eliminate this problem. This paper presents the experimental studies on the effects of intermediate anchors in preventing premature shear failure of CFRP laminate flexurally strengthened RC beams. Design guidelines to...
Housing and analysis of design defects: A post occupational evaluation of private housing in Malaysia
January 2011
Housing provision and quality housing are two issues, which remained the subject of research and interest to researchers’ and designers’. Whenever a designer completes the project, they are not fully aware of consequences of their design. Only through post occupational survey, the designer usually realizes the shortfall they have made during the design process. Unfortunately, such unforeseen conditions are...
Fuzzy-genetic optimal control for robotic systems
January 2011
In this paper, we present optimal control for movement and trajectory planning of a various degrees-of-freedom robots using fuzzy logic (FL) and genetic algorithms (GAs). We have evaluated and shown comparative analysis for three degree-of-freedom (3 DOF) and four degree-of-freedom (4 DOF) robotics arm to compensate the uncertainties like; Movement, friction and settling time in robotic arm movement. This paper...
Evaluation of an improved algorithm for fetal QRS detection
January 2011
In the area of fetal heart rate (FHR) monitoring, different sizes and multifunctional ultrasound based systems are used. All these systems are invasive but cannot be use for long term monitoring applications. The objective of this paper is to evaluate a fetal peak detection algorithm which is applied to all the abdominal channels without threshold (amplitude threshold free) that is threshold independent detection. The...
Image encryption via logistic map function and heap tree
January 2011
In this paper, a new method is proposed for image encryption using chaotic signals and Max-heap tree. In this method, Max-heap tree is utilized for further complexity of the encryption algorithm, higher security and changing the amount of gray scale of each pixel of the original image. Studying the obtained results of the performed experiments, high resistance of the proposed method against brute-force and statistical...
An analytical approach on a mass grounded by linear and nonlinear springs in series
January 2011
In this paper, He’s variational approach method is used to solve large amplitude freevibration of a mass grounded by linear and nonlinear springs in series. The conservative oscillation system is formulated as a nonlinear ordinary differential equation having linear and nonlinear stiffness components. By doing some simple mathematical operations on this method, we can obtain their natural frequencies. The main...
Applications of taguchi design method to study wear behaviour of boronized AISI 1040 steel
January 2011
In this study, AISI 1040 steel was boronized using the packed boronizing technique. Processes were carried out at the temperature of 950°C for 2 and 4 h of treatment. The wear resistance model for AISI 1040 steel was developed in terms of boronizing time, applied load, sliding distance and sliding speed using the Taguchi method. Wear tests were carried out using a pin-on-disc type of apparatus under different...
Modeling of monthly traffic accidents with the artificial neural network method
January 2011
Averagely, over 1.3 million traffic accidents with deaths, wounds and property losses occur in a year in Turkey. In the last 30 years, 140000 people have died in traffic accidents. The financial losses of the accidents in the last ten years are over 100 billion dollars. In this study, monthly accidents occurring in Turkey were investigated with Artificial Neural Network (ANN) method. With monthly accident data occurring...
Renovation explicit dynamic procedures by application of Trujillo algorithm
January 2011
In this paper, a Trujillo algorithm method for the exact solution of nonlinear explicit dynamic problems is developed. This method associates numerical techniques and it is applied to determine the natural frequencies of structures. The numerical predictions of the natural frequency are compared to analytical and experimental results. There was no direct method available for solving such a problem efficiently in the...
Construct multi-characteristics quality performance measurement diagram in high-tech industry
January 2011
Process capability indices (PCI) have been widely used in the manufacturing industry for providing numerical measures on process precision, process accuracy and process performance in single characteristic and multiple characteristics, such as multi-characteristic process capability analysis (MCPCA). However, the parameters of the manufacturing processes are usually unknown and need to be estimated from the...
The effect of light illumination in photoionization of deep traps in GaN MESFETs buffer layer using an ensemble Monte Carlo simulation
January 2011
Deep traps can produce serious degradation in the drain current and consequently the output power of GaN based FETs. This current collapse phenomenon represents a significant impediment to the incorporation of these devices in electronic systems. In this article trapping of hot electron behavior by deep trap centers located in buffer layer of a wurtzite phase GaN MESFET has been simulated using an ensemble Monte Carlo...
A case study for testing the capability of an intermediate generated geotechnical based computer software on seismic site response analysis
January 2011
The aim of this paper is to assess the effects of seismic loads on the earth dam for design purposes by developed graphical user interface computer software. The Ghohoord earth dam in Hamedan province of Iran which is located in a high seismic zone named as Sanandaj-Sirdjan seismotectonic province is used as a case study. A seismic geotechnical based method of analysis was used by employing a designed and developed...
Determination of bonding performance of several modified wood adhesives
January 2011
We have assessed the effect on bonding performance of modifying synthetic wood adhesives. Wood samples were prepared from Scots pine (Pinus sylvestris L.) and oriental beech (Fagus orientalis L.). Samples were bonded using poly(vinyl acetate) (PVAc) and urea-formaldehyde (UF) adhesives modified with melamine-formaldehyde (MF) and phenol-formaldehyde (PF). Modified formulations included PVAc alone,...
Mining utility-oriented association rules: An efficient approach based on profit and quantity
January 2011
Association rule mining has been an area of active research in the field of knowledge discovery and numerous algorithms have been developed to this end. Of late, data mining researchers have improved upon the quality of association rule mining for business development by incorporating the influential factors like value (utility), quantity of items sold (weight) and more, for the mining of association patterns. In this...
Frequency and clinical pattern of autonomic neuropathy in adult diabetic Sudanese patients
January 2011
Diabetic autonomic neuropathy can cause cardiac, gastrointestinal, genitourinary and metabolic disorders. Strict glycemic control can slow the onset of diabetic autonomic neuropathy and sometimes reverse it. The study was aimed at investigating the presence of diabetic autonomic neuropathy in a group of Sudanese diabetic patients. This is a descriptive prospective cross-sectional study. It was conducted at Herra medical...
A fixed point approach to the stability of a general mixed additive-cubic functional equation in quasi fuzzy normed spaces
January 2011
In this paper, we use the fixed point alternative theorem to establish Hyers-Ulam-Rassias stability of the general mixed additive-cubic functional equation where functions map a linear space into a complete quasi fuzzy p-normed space. In addition, some applications of our results in the stability of general mixed additive-cubic mappings from a linear space into a quasi p-normed space will be exhibited. Finally, we...
Potentials for sustainable improvement in building energy efficiency: Case studies in tropical zone
January 2011
In the past decades, the rapid development of building energy efficiency technologies in the world has gradually deepened people’s recognition on this concept in Malaysia, a fast developing economy in the tropical zone. The rapid growth of energy use has raised concerns over problems in supply world wide. This has caused the exhaustion of energy resources and severe environmental impacts such as depletion of ozone...
Finite element analysis of bolted column base connection without and with stiffeners
January 2011
Column base plates are analyzed and designed on the assumption that the plate is rigid and its thickness is determined from the cantilever action of the plate projection beyond the column face. In the case of column base plates with stiffeners, the plate thickness is determined by considering its bending and some parameters, which define the boundaries. In the present research two aspects are investigated, the adequacy...
The effectiveness of groundwater recharges well to mitigate flood
January 2011
Management of urban storm-water is characterized by the use of hydraulic structures like culvert, man-made channels, water ways, detention basins, infiltration trench, spillway, dams and other drainage structures to either convey or store the storm-water downstream. But in some cases these structures may not be effective to either convey or store the excess runoff because of some inherent factors like topography, soil...
Climatic parameters and net irrigation requirement of crops
January 2011
The major meteorological data like temperature, relative humidity, rainfall, wind speed and sunshine hour for a period of 21 years was collected and analyzed. This was done for planning of irrigation strategy and to develop an appropriate irrigation scheduling for different cropping systems. Probability analysis, evapotranspiration and net irrigation requirement were estimated. For recurrence interval of 2, 5, 25, 50...
A conceptual design approach to manage large earthquake forces
January 2011
Design is an area over which the engineer has the most control, both technically and financially, in creating structures, which can withstand destructive forces of earthquakes. The most widely applied philosophy is to design for earthquake-resistant structures with the idea that stronger and stronger building materials are needed to resist larger and larger forces from earthquakes. This approach may be adequate when...
Analysis of enterprise service buses based on information security, interoperability and high-availability using Analytical Hierarchy Process (AHP) method
January 2011
This research study stresses upon the comparative analysis between commercial and non-commercial Enterprise Service Buses (ESB) for large-scale organizations. We have used Multi Criteria Decision Analysis (MCDA) method known as Analytical Hierarchy Process (AHP) based on three criteria that is Information Security (IS), Interoperability and High Availability (IHA). Many comparative analysis reports and papers are...
Specifications of thermal waters and their classification on the base of neural network method: Examples from Simav geothermal area, Western Turkey
January 2011
Western Turkey is one of the best known geothermal fields in Turkey. There are numerous geothermal energy plants (for example Kızıldere, Nazilli, Hıdırbeyli, Balçova, Tuzla) in Aegean region, Western Turkey. Simav geothermal field is located within the Aegean Graben System in Western Anatolia. Rock units in the study area are mainly the formation of Menderes Massive. The Simav geothermal waters were divided...
Zero padded suffix aided subspace-based narrowband interference detected adaptive channel estimation for MB-OFDM UWB systems
January 2011
The ECMA-368 standard specifies multiband orthogonal frequency division multiplexing (MB-OFDM) as the definitive technology for high rate ultra-wideband (UWB) communications. Like other wireless systems, the performance of a correct data signals detection and decoding in MB-OFDM UWB is reduced by narrowband interference (NBI). A more specific problem of severity arises when interferences are present during the channel...
Study on rooftop outdoor thermal environment and slab insulation performance of grass planted roof
January 2011
The benefits of rooftop greening are ascertained in thermal perspective. It effectively reduces the near surface ambient temperature and the reflected irradiation from the rooftop slab, thus increasing the thermal comfort environment above the lawn and reduces the heat transferred through the rooftop slab. The former effect enables the potential usage of the rooftop spaces for human activity and helps to alleviate the...
The role of carbon sequestration project in protecting pastures in Iran
January 2011
The main purpose of this study was to examine the perception of respondents about the role of carbon sequestration project in protecting pastures in South Khorasan Province of Iran. The research design was carried out by descriptive and analytical methods. The total population of this study was 340 respondents who participated in carbon sequestrationproject in arid region province. The data collected by using...
Photopyroelectric characteristics of Pr6O11 – ZnO ceramic composites
January 2011
Characteristics of different Pr6O11 ceramic composites were studied using photopyroelectric spectroscopy. The amount of Pr6O11 in the composite was varied from 0.1 to 0.75 mol% at the sintering temperature of 1190 and 1270°C. It was found that optical energy band-gap (Eg) of the composite is reduced by increasing the amount of Pr6O11 in the composite at both sintering temperatures. However, the...
Mössbauer experiments in a rotating system on the time dilation effect
January 2011
In this contribution, we analyze both the old Mössbauer experiments in a rotating system and our new experiment on this subject, which unambiguously indicate the presence of an additional component in the relative energy shift DE/E between emission and absorption lines, as compared with the classic relativistic expression written to the accuracy c-2 (that is DE/E=-u2/2c2,...
Provenance of groundwater in the crystalline aquifer of Johannesburg area, South Africa
January 2011
Recharge dynamics, possible flow path and human impact within the crystalline aquifer of the Johannesburg area have been described based on the hydrogeochemical characteristics and environmental isotopes. The dominant circulation zone has also been identified in the study. Understanding of the groundwater dynamics is very important for strategic management of the resource as the country is dependent on groundwater...
Protective effect of Morinda officinalis polysaccharides on bone degeneration in the aged rats
January 2011
In the current study, we examined the effect of Morinda officinalis polysaccharides (MOP) on bone quality in aged rats. Rats were given orally by daily gavage at 200 and 400 mg/kg/day for 3 months, respectively. The results showed that there was a significant decrease in serum alkaline phosphatase (ALP), Interleukin 6 (IL-6) content and a significant increase in density and strength of femur and lumbar...
Inhibition of Lentinus edodes polysaccharides against liver tumour growth
January 2011
The objective of this study was to examine the in vitro antitumour activities of Lentinus edodes polysaccharides. The present results demonstrated that L. edodespolysaccharides at 100 and 200 mg/kg dose-dependently suppressed liver tumour growth. The polysaccharides were still found to be dose-dependently and enhance spleen and thymus index and inhibit expression of Caspase-3 in mice with liver...
Theoretical study of basis set effects on the nano intermolecular potential energy surface of alanine -methionine: Calculation of second-virial coefficients
January 2011
The potential energy of Alanine-Methionine was studied on the basis of ab initio calculations performed by using the HF,DFT-B3LYP and MP2 methods with 6-31G and 6-31G* basis sets. The following trends with basis set can be deduced for the depth (De= -Eint (Re) = -Emin) of the potential well of the calculated intermolecular potential energy surfaces (IPSs). In ab initio calculations the basis set superposition...
On computational methods for solving systems of fourth-order nonlinear boundary value problems
January 2011
In this paper, we use a modified variation of parameters method, which is an elegant coupling of variation of parameters method and Adomian’s decomposition method, for finding the analytical solution of systems of fourth-order nonlinear boundary value problems. Examples are given to illustrate the implementation and efficiency of the modified variation of parameters method. Results obtained in this paper represent...
Homotopy analysis method for fractional partial differential equations
January 2011
This paper applies the homotopy analysis method (HAM) to obtain analytical solutions of fractional heat- and wave-like equations with variable coefficients. The applications of the homotopy analysis method were extended to derive analytical solutions in the form of a series with easily computed terms for these generalized fractional equation. Some examples are presented to show the efficiency and simplicity of the...
A reliable algorithm for physical problems
January 2011
This paper gives a detailed and comprehensive study of a reliable algorithm which is called the Modified Decomposition Method (MDM) and is mainly due to Geijji and Jafari to solve linear and nonlinear problems of physical nature. It has been shown that the MDM is very easy to implement and is fully compatible with the nonlinear nature of the physical problems. Moreover, this algorithm is independent of the inbuilt...
On the quasi elliptic functions
January 2011
In this study, the function was used instead of function Dedekind’s . Then the value change of this function with the variables was investigated. Hence the quasi elliptic function was established. Key words: Elliptic function, lattice, period.
Approximate Kerr–like interior and exterior solutions for a very slowly rotating star of perfect fluid
January 2011
Approximate Kerr- like interior and exterior solutions for a very slowly rotating star of perfect fluid is presented here which is valid for a very slowly rotating and hence very slightly oblate star of perfect fluid rotating with a very small constant angular velocity. Corresponding approximate exterior metric represents approximate Kerr exterior metric for a perfect fluid. The aim here is to obtain Kerr-like...
Limitations in current day lighting related solar concentration devices: A critical review
December 2010
This study introduces the day lighting related solar concentration devices such as light pipes (or tubular daylight guidance systems), optical fibers for light transport, conventional solar concentrators and luminescent solar concentrators (LSC). The principles of study, advantages and disadvantages for application of these day lighting related devices have been explained. Daylight has a...
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