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120 chicken thighs samples (60 fresh chicken thighs samples - 60 frozen chicken thighs sample) were collected from different commercial shops in Hama city.
In this research, We present a scientific advanced developed study and keeping up with new studies and technologies of very short-term electrical load forecasting and applying this study for electrical load forecasting of basic Syrian electrical p ower system by studying this prediction for next four hours according to the criterion applied in the Syrian Electricity Ministry with ten minutes intervals ,we call it "Instant electrical load forecasting".
Mobile wireless sensor network (MWSN) is a wireless ad hoc network that consists of avery large number of tiny sensor nodes communicating with each other in which sensornodes are either equipped with motors for active mobility or attached to mobile objectsfor passive mobility. A real-time routing protocol for MWSN is an exciting area of research because messages in the network are delivered according to their end-to-end deadlines (packet lifetime) while sensor nodes are mobile. This paper proposes an enhanced realtime with load distribution (ERTLD) routing protocol for MWSN which is based on our previousrouting protocol RTLD. ERTLD utilized corona mechanism and optimal forwardingmetrics to forward the data packet in MWSN. It computes the optimal forwarding nodebased on RSSI, remaining battery level of sensor nodes and packet delayover one-hop. ERTLDensures high packet delivery ratio and experiences minimum end-to-end delay in WSNand MWSN compared to baseline routing protocol. . In this paper we consider a highly dynamic wireless sensor network system in which the sensor nodes and the base station(sink) are mobile.ERTLD has been studied and verified and compared with baseline routing protocols RTLD,MM-SPEED , RTLCthrough Network Simulator- 2(NS2)
Phase Shifting Transformer has played an important role in electrical networks to improve their efficiency because it has the ability to control power flow in electrical transmission network that can lead to power loss minimization. PST technology is considered as mature technology which is used by transmission system operators. These transformers provide an integrated solution to control power due to the advantages of low economic and high reliability. In this research an exposure to the classification of phase shifting transformers and their application then a simple model for Phase shifting transformer is suggested without seeking in the details of transformer, this model presents the result for using PST via modeling phase shifting voltage, this model is performed using Matlab/Simulink program according to differential equation. Depending on the mathematical model which has been built in an Matlab environment we have a model shows the impact of this transformer through the representation of output voltage , results are verified using Neplan program via a case study demonstrated the role of this type of transformers in controlling power flow in transmission system achieving remarkable power loss reduction and improving voltage profile
This research includes a numerical study using Finite Element Method aims to evaluate the ability and accuracy of using Non-destructive Impact Response Method in the assessment of length and cross-sections of intact concrete pile (not deformed) in both time and frequency domains. Therefore, an appropriate numerical model depends on the modeling of both impact force (impulsive load) and distributing medium (pile + soil) and insert them in computing software ABAQUS was carried out. The numerical model was verified corresponding to field measures obtained from literature review and the results showed good agreement between measures and numerical results. Furthermore, the model was applied on a typical example in order to study vibration distribution in the pile due to impulsive load applied on pile top. Mechanical response curve of intact pile was obtained. Then, both of length and cross-section area of the pile were determined. Finally, parametrical study of most important factors (stiffness of soil surrounding the pile and length of pile embedded in the soil) effect on vibration distribution resulted from impulsive load applied on pile top. The parametrical study was carried out in two domains; first one was time domain depending on the direct analysis of particle displacement and velocity and the second was frequency domain depending on analysis of pile mechanical response curve. The results of this research enables to use the proposed numerical model to numerically obtain the time history of particle displacement and velocity in addition to the curve of mechanical response computed in the pile top and forms reference diagrams which is used later to compare with similar diagrams resulted from field test of executed piles. As a result, pile integrity test and detecting of defects in the piles if any. In addition, the limits of the use of both analysis methods adapted in research and choose the best between them according to the case study.
The Steel/RC composite Column-beam connection joint is considered one of the most important subjects in framed construction. Ductility has the most influence among other factors that control the behavior of this joint, and the nonlinear behavior of this joints when subjected to large and cyclic loading is dominated by several parameters. These parameters reflect the assembled components of the joint for every component has a distinguished material and therefore specific behavior under the loading corresponding to it.
To evaluate the ultimate load of composite columns " steel – concrete " having square or circular steel tubes filled hollow section with concrete and Longitudinal reinforcing steel bars and subjected to centrical load and Exposed to the standard f ire in accordance with ISO 834 curve along and from all sides,Fire duration ,buckling length of the column , geometrical and mechanical properties of each material for structural and reinforcing steels and concrete were in the base of the method, given in the French National Annex of EN 1994-1-2.
The purpose of this study is to offer help to patients through the employment of databases applications of existing and available telecommunication systems in medical services ,particularly treatment. So that it can be possible to avoided what can be avoided of health disasters that a human being encounter without warning. This study examines how modern technologies can be employed in controlling and processing some vital signs of human beings,particulary those who suffer some health problems affiliated with some diseases ,and keeping these problems under control in order to maintain the stability of the patients health statues. The vital signs that the study is applied to are blood pressure, pulse and blood glucose, since any of change in the value of any of these signs, positive or negative, may cause the patient to have a sudden health problems.
this paper reviews definition of tall buildings, a brief history of their development which can be broadly classified into three periods, and the primary factors of their evolution. In addition to studying their lateral load resisting systems with some examples of each one, we presented seven major structural systems each one suit different architectural forms and allows specific height.
The water quality in Al Thawra Lake was getting worst recently because of the increscent of the concentration of nutrients, which reached the lake from point and nonpoint sources. The Geographic Information System GIS was widely used in the last d ecades in evaluating quality of water depending on models operates within GIS one of these models is The BASIN software (Best Assessment Science Integrating Point and Nonpoint sources)which used in this research .The Pload model(Pollution load) which is one of the BASIN models was used to estimate the pollution loads. The Pload was run by using satellite image, Digital Elevation Model (DEM30), land use map, and export coefficient values. The result showed that the total annual pollution loads of TP&TN are TP=11543 kg/yr ,TN=61367 kg/yr that came out of the watershed of the lake, Open maki and rock out crops are the dominate contributors to TP load in the watershed for about 30 %of total TP load, while Olives and citruses are the dominate contributor to TN load in the watershed for about 33 %of total TN load, the model results also indicated that the nonpoint sources are the main contributor to TP&TN loads in the watershed for about 80%of the total TP loads while only 20% from point sources, and for about 75%of the total TN loads from nonpoint sources while only 25% from point sources.
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