Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033111
Z. Zakaria, K. L. Lo
The electricity industry has been using load profiles particularly in tariff formulation for many years. However, using load profiles in the new electricity market is a new and different development. In a deregulated energy environment, customers can purchase electricity from any provider regardless of size and location. Thus, there is a growing interest in understanding the nature of variations in load shape to facilitate the electricity supplier in their marketing strategy. This paper reviewed some of the background theory and then described the importance of load profiling. The main influences encouraging the usage of load profile are also outlined. The paper concludes by discussing the criteria for determining the number and coverage of the profiles.
{"title":"Load profiling in the new electricity market","authors":"Z. Zakaria, K. L. Lo","doi":"10.1109/SCORED.2002.1033111","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033111","url":null,"abstract":"The electricity industry has been using load profiles particularly in tariff formulation for many years. However, using load profiles in the new electricity market is a new and different development. In a deregulated energy environment, customers can purchase electricity from any provider regardless of size and location. Thus, there is a growing interest in understanding the nature of variations in load shape to facilitate the electricity supplier in their marketing strategy. This paper reviewed some of the background theory and then described the importance of load profiling. The main influences encouraging the usage of load profile are also outlined. The paper concludes by discussing the criteria for determining the number and coverage of the profiles.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"60 1","pages":"278-281"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74943151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033094
F. Sulaiman, A. Ahmad, A. Z. Ahmed
Daylighting systems are a particular type of solar collector which may be used to provide illumination for the interior of a building by directing daylight into the building. Daylighting and thermal loads are very important design issues for passive daylight collector design. A mathematical model has been developed to predict the visible solar transmittance, absorptance and reflectance of a transparent domed passive daylight collector for both direct and diffuse radiation. The model is based on tracking the beam and diffuse radiation transmission through the dome surface. The shape of the daylight collector geometry, among other factors, has an effect on the amount of daylighting contribution and solar heat gains. The optimum design can only be accomplished by a careful understanding of light transmission process though the dome geometry. This paper describes the mathematical modelling for the design of a transparent domed passive daylight collector with a narrow solar light pipe penetrating the roof to provide a high transmission of light from the exterior to the interior of the building.
{"title":"Predicting transmittance, absorptions and reflectance characteristics for the design of transparent dome passive daylight collector","authors":"F. Sulaiman, A. Ahmad, A. Z. Ahmed","doi":"10.1109/SCORED.2002.1033094","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033094","url":null,"abstract":"Daylighting systems are a particular type of solar collector which may be used to provide illumination for the interior of a building by directing daylight into the building. Daylighting and thermal loads are very important design issues for passive daylight collector design. A mathematical model has been developed to predict the visible solar transmittance, absorptance and reflectance of a transparent domed passive daylight collector for both direct and diffuse radiation. The model is based on tracking the beam and diffuse radiation transmission through the dome surface. The shape of the daylight collector geometry, among other factors, has an effect on the amount of daylighting contribution and solar heat gains. The optimum design can only be accomplished by a careful understanding of light transmission process though the dome geometry. This paper describes the mathematical modelling for the design of a transparent domed passive daylight collector with a narrow solar light pipe penetrating the roof to provide a high transmission of light from the exterior to the interior of the building.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"8 1","pages":"208-212"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81731433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033110
I.Z. binYaacob, P. Eng.
The study is undertaken to improve the design of existing locally manufactured electronic ballasts. The study indicated that many of these commercial electronic ballasts do not have or have either partially or minimum compliance requirements to the related local and international standards, namely MS EEC 928, MS IEC 929 and EMC requirements as required by SIRIM Berhad. From the study made on the 19 samples collected from nine different local ballast manufacturers, only seven manufacturers have conducted the tests on MS EEC 928 and MS EEC 929 and only two manufacturers have conducted the complete list of all tests. This is crucial because electronic ballasts are listed as one of the electrical controlled items by the Energy Commission (formerly known as Department of Electricity and Gas Supply of Malaysia (DEGSM)). The advantages and disadvantages of electronic ballasts, their operation and performance characteristics and problems encountered during their normal operations, for instance, surges, starting current, power factor, watt-loss, ambient temperature and environmental effects, lamp/ballast premature failures, harmonics and electromagnetic (EM) disturbances, efficiency and dimming are also discussed in the study. Various samples of electronic ballast were collected and tested for compliance based on the requirements and it is found that many samples failed the tests on total harmonic distortion (THD) that exceeded the 25% limit. From the test data collected on the study, analysis on the operation, performance, design and construction of the typical electronic ballast were utilised in the construction of the improved version of electronic ballast prototypes. At the end of the study, data collected from the tests conducted were tabulated for overall discussion and comparison in order to identify whether the tested samples comply fully to the requirements of the related standards or not. A conclusion on the study was later made. Further research and recommendations were suggested based on the new design approach, topologies and techniques on electronic ballasts construction with reference to research conducted by various electronic ballast designers.
{"title":"Improvements in design of local fluorescent electronics ballasts in compliance with the related local and international standards","authors":"I.Z. binYaacob, P. Eng.","doi":"10.1109/SCORED.2002.1033110","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033110","url":null,"abstract":"The study is undertaken to improve the design of existing locally manufactured electronic ballasts. The study indicated that many of these commercial electronic ballasts do not have or have either partially or minimum compliance requirements to the related local and international standards, namely MS EEC 928, MS IEC 929 and EMC requirements as required by SIRIM Berhad. From the study made on the 19 samples collected from nine different local ballast manufacturers, only seven manufacturers have conducted the tests on MS EEC 928 and MS EEC 929 and only two manufacturers have conducted the complete list of all tests. This is crucial because electronic ballasts are listed as one of the electrical controlled items by the Energy Commission (formerly known as Department of Electricity and Gas Supply of Malaysia (DEGSM)). The advantages and disadvantages of electronic ballasts, their operation and performance characteristics and problems encountered during their normal operations, for instance, surges, starting current, power factor, watt-loss, ambient temperature and environmental effects, lamp/ballast premature failures, harmonics and electromagnetic (EM) disturbances, efficiency and dimming are also discussed in the study. Various samples of electronic ballast were collected and tested for compliance based on the requirements and it is found that many samples failed the tests on total harmonic distortion (THD) that exceeded the 25% limit. From the test data collected on the study, analysis on the operation, performance, design and construction of the typical electronic ballast were utilised in the construction of the improved version of electronic ballast prototypes. At the end of the study, data collected from the tests conducted were tabulated for overall discussion and comparison in order to identify whether the tested samples comply fully to the requirements of the related standards or not. A conclusion on the study was later made. Further research and recommendations were suggested based on the new design approach, topologies and techniques on electronic ballasts construction with reference to research conducted by various electronic ballast designers.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"10 1","pages":"274-277"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84209600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033113
S. Firdaus, M. K. Hamzah
This paper presents work carried out in developing computer simulation models using the Power System Block Set (PSB) within the MATLab/Simulink (MLS) environment. Its powerful filter design tools, signal processing capabilities are used to illustrate the convenience of modelling and simulation. The SPMC as a direct frequency changer were used in this work with the output being synthesized using the well-known SPWM technique. A comparison was made with SPICE and has shown that results in PSB were in good agreement from simulations carried out.
{"title":"Modelling and simulation of a single-phase AC-AC matrix converter using SPWM","authors":"S. Firdaus, M. K. Hamzah","doi":"10.1109/SCORED.2002.1033113","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033113","url":null,"abstract":"This paper presents work carried out in developing computer simulation models using the Power System Block Set (PSB) within the MATLab/Simulink (MLS) environment. Its powerful filter design tools, signal processing capabilities are used to illustrate the convenience of modelling and simulation. The SPMC as a direct frequency changer were used in this work with the output being synthesized using the well-known SPWM technique. A comparison was made with SPICE and has shown that results in PSB were in good agreement from simulations carried out.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"20 1","pages":"286-289"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84956906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033051
C. Lew, Mahmoud Moghavvemi
A simple and low-cost remote heart rate monitoring system, causing minimal constraints to a patient, is developed. This system based on electrocardiography will enable doctors and nurses to monitor the patient's heart rate as well as the electrocardiogram (ECG) waveform from the central monitoring system. A portable transmitter, which can be carried by the moving patient, is built. It is formed by the front-end module and the FM transmitter. The front-end module is used for ECG waveform detection from a patient's body and signal conditioning. The signal transmitted is received by an FM radio. Two PIC16F877 are programmed for heart rate counting and ECG waveform display. Therefore, two software written in Visual Basic language are also developed in order to display the heart rate and the ECG waveform on the computer screen. A beep sound, which acts as an alarm, will be heard whenever the patient's heart rate is abnormal.
{"title":"Remote heart rate monitoring system based on electrocardiography","authors":"C. Lew, Mahmoud Moghavvemi","doi":"10.1109/SCORED.2002.1033051","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033051","url":null,"abstract":"A simple and low-cost remote heart rate monitoring system, causing minimal constraints to a patient, is developed. This system based on electrocardiography will enable doctors and nurses to monitor the patient's heart rate as well as the electrocardiogram (ECG) waveform from the central monitoring system. A portable transmitter, which can be carried by the moving patient, is built. It is formed by the front-end module and the FM transmitter. The front-end module is used for ECG waveform detection from a patient's body and signal conditioning. The signal transmitted is received by an FM radio. Two PIC16F877 are programmed for heart rate counting and ECG waveform display. Therefore, two software written in Visual Basic language are also developed in order to display the heart rate and the ECG waveform on the computer screen. A beep sound, which acts as an alarm, will be heard whenever the patient's heart rate is abnormal.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"545 1","pages":"45-48"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85061333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033120
Abdul Rahim Ahmad, M. Khalid, R. Yusof
This paper presents a review of kernel methods in machine learning. The support vector machine (SVM) as one of the methods in machine learning to make use of kernels is first discussed with the intention of applying it to handwriting recognition. SVM works by mapping training data for a classification task into a higher dimensional feature space using the kernel function and then finding a maximal margin hyperplane, which separates the mapped data. Finding the solution hyperplane involves using quadratic programming which is computationally intensive. Algorithms for practical implementation such as sequential minimization optimization (SMO) and its improvements are discussed. A few simpler methods similar to SVM but requiring simpler computation are also mentioned for comparison. Usage of SVM for handwriting recognition is then proposed.
{"title":"Kernel methods and support vector machines for handwriting recognition","authors":"Abdul Rahim Ahmad, M. Khalid, R. Yusof","doi":"10.1109/SCORED.2002.1033120","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033120","url":null,"abstract":"This paper presents a review of kernel methods in machine learning. The support vector machine (SVM) as one of the methods in machine learning to make use of kernels is first discussed with the intention of applying it to handwriting recognition. SVM works by mapping training data for a classification task into a higher dimensional feature space using the kernel function and then finding a maximal margin hyperplane, which separates the mapped data. Finding the solution hyperplane involves using quadratic programming which is computationally intensive. Algorithms for practical implementation such as sequential minimization optimization (SMO) and its improvements are discussed. A few simpler methods similar to SVM but requiring simpler computation are also mentioned for comparison. Usage of SVM for handwriting recognition is then proposed.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"132 1","pages":"309-312"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85743717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033082
A. Ahmad, L. Chen, F. Mohamad
In this paper, a simulation of neural network controller for a three links robot arm is presented. The network is based on modified Kohonen's self-organizing map. In the proposed model, recurrent network and modified SOM network are interconnected.
{"title":"Simulation of stable-adaptive control of robot arm using self-organizing neural network","authors":"A. Ahmad, L. Chen, F. Mohamad","doi":"10.1109/SCORED.2002.1033082","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033082","url":null,"abstract":"In this paper, a simulation of neural network controller for a three links robot arm is presented. The network is based on modified Kohonen's self-organizing map. In the proposed model, recurrent network and modified SOM network are interconnected.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"30 1","pages":"162-164"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85689293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033159
J. Patel, S. Sahibuddin
The world wide web (WWW) already accounts for more Internet network traffic than any other application, including email and simple file transfer. It is also a collaborative technology in a weak sense of the word - it allows people to share information. Synchronous collaboration is where an interactive activity is simultaneous and in real-time. Computer based synchronous collaborative systems like shared whiteboards, collaborative editor etc. are only beginning to emerge recently. These applications involving more than two users exchanging information, require multicast communication. Multicast communication is a transmission mode that is now supported by a variety of local and wide area networks. Multicasting enables multiparty communication across a wide area to sparsely distributed groups by minimizing the network load. Multicasting itself is one of the key technologies in the next generation of the Internet. This paper describes the technical issues from the aspect of multicast communication and its reliability in synchronous collaborative application.
{"title":"Reliable multicast service with IPv6 support: synchronous collaborative applications","authors":"J. Patel, S. Sahibuddin","doi":"10.1109/SCORED.2002.1033159","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033159","url":null,"abstract":"The world wide web (WWW) already accounts for more Internet network traffic than any other application, including email and simple file transfer. It is also a collaborative technology in a weak sense of the word - it allows people to share information. Synchronous collaboration is where an interactive activity is simultaneous and in real-time. Computer based synchronous collaborative systems like shared whiteboards, collaborative editor etc. are only beginning to emerge recently. These applications involving more than two users exchanging information, require multicast communication. Multicast communication is a transmission mode that is now supported by a variety of local and wide area networks. Multicasting enables multiparty communication across a wide area to sparsely distributed groups by minimizing the network load. Multicasting itself is one of the key technologies in the next generation of the Internet. This paper describes the technical issues from the aspect of multicast communication and its reliability in synchronous collaborative application.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"20 1","pages":"468-471"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84077160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033140
Y. Mohamed, N. Fisal, A. Mohd
Mobile IP solves the primary problem of routing IP packets to mobile nodes. However due to the host motion, some segments may be dropped or lost during handoff. We analyze the effects of the retransmission timeout (RTO) on the TCP performance and propose a new timeout algorithm to reduce long pauses in communication. The new timeout algorithm, fixed RTO (FxRTO) has been written at the transport layer of the TCP/IP protocol suite. This paper concentrates on TCP layer enhancement, which improves the retransmission timeout. The simulation results show the performance of FxRTO in comparison to the standard TCP and Jacobson's algorithm. One of the advantages of FxRTO is that the sender's connection is resumed faster when handoff is completed.
{"title":"Performance of TCP on Mobile IP network during handoffs","authors":"Y. Mohamed, N. Fisal, A. Mohd","doi":"10.1109/SCORED.2002.1033140","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033140","url":null,"abstract":"Mobile IP solves the primary problem of routing IP packets to mobile nodes. However due to the host motion, some segments may be dropped or lost during handoff. We analyze the effects of the retransmission timeout (RTO) on the TCP performance and propose a new timeout algorithm to reduce long pauses in communication. The new timeout algorithm, fixed RTO (FxRTO) has been written at the transport layer of the TCP/IP protocol suite. This paper concentrates on TCP layer enhancement, which improves the retransmission timeout. The simulation results show the performance of FxRTO in comparison to the standard TCP and Jacobson's algorithm. One of the advantages of FxRTO is that the sender's connection is resumed faster when handoff is completed.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"5 6 1","pages":"390-393"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88425350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2002-11-07DOI: 10.1109/SCORED.2002.1033069
M. Samad, F. Yusuf, H. Hashim, M. Mahfudz, M. Zan
Internet Protocol version 6 (IPv6) or IP next generation is the protocol that has been designed to replace the existing Internet Protocol version 4 (IPv4). These two protocols are expected to coexist for a number of years during the transition period. A number of IPv4-to-IPv6 transition tools are available to address the various needs of different networks. The two most basic transition tools available are the hybrid stack mechanism and tunneling. A hybrid or dual stack host, implements both IPv4 and IPv6, usually in a single stack in which most of the code is shared by the two protocols. Tunneling is the encapsulation of IPv6 traffic within IPv4 packets so they can be sent over an IPv4 infrastructure, allowing IPv6 hosts and routers to communicate without the need to upgrade the IPv4 infrastructure that exists between them. This paper looks at how tunneling can be performed over existing internetwork infrastructure.
{"title":"Deploying Internet Protocol version 6 (IPv6) over Internet Protocol version 4 (IPv4) tunnel","authors":"M. Samad, F. Yusuf, H. Hashim, M. Mahfudz, M. Zan","doi":"10.1109/SCORED.2002.1033069","DOIUrl":"https://doi.org/10.1109/SCORED.2002.1033069","url":null,"abstract":"Internet Protocol version 6 (IPv6) or IP next generation is the protocol that has been designed to replace the existing Internet Protocol version 4 (IPv4). These two protocols are expected to coexist for a number of years during the transition period. A number of IPv4-to-IPv6 transition tools are available to address the various needs of different networks. The two most basic transition tools available are the hybrid stack mechanism and tunneling. A hybrid or dual stack host, implements both IPv4 and IPv6, usually in a single stack in which most of the code is shared by the two protocols. Tunneling is the encapsulation of IPv6 traffic within IPv4 packets so they can be sent over an IPv4 infrastructure, allowing IPv6 hosts and routers to communicate without the need to upgrade the IPv4 infrastructure that exists between them. This paper looks at how tunneling can be performed over existing internetwork infrastructure.","PeriodicalId":6865,"journal":{"name":"2016 IEEE Student Conference on Research and Development (SCOReD)","volume":"116 1","pages":"109-112"},"PeriodicalIF":0.0,"publicationDate":"2002-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79192653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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