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Design and Performance Analysis of a Rectangular Microstrip Line Feed Ultra-Wide Band Antenna
Ranjan Mishra,Jeevani Jayasinghe,Raj Gaurav Mishra,Piyush Kuchhal 보안공학연구지원센터 2016 International Journal of Signal Processing, Image Vol.9 No.6
The research article presents the design and performance of a planar microstrip-line feed monopole antenna for Ultra-Wide band (UWB) frequency. The proposed antenna is consisting of a rectangular patch antenna loaded with a rectangular slot on its center position. The antenna is etched over a FR4 epoxy substrate with a dimension of 30 mm by 26 mm by 1.52 mm. The simulated and experimental results are compared and analysis showed a good proximity. The measured and simulated results confirm that the design covers the entire region of UWB range (4.1 GHz to 8.8 GHz). The measurement indicates that the designed antenna is a good candidate in terms of return loss, VSWR, radiation efficiency for UWB application.
A brief survey on awareness of pharmacovigilance among ayurveda physicians in Sri Lanka
Pathirage Kamal Perera,Jeevani Dahanayake,Kaumadi Karunagoda 셀메드 세포교정의약학회 2015 TANG Vol.5 No.1
Pharmacovigilance is the study of the safety of drugs under the practical conditions of clinical usage in large communities. Aim of this study was to assess the pharmacovigilance awareness among a focus group of Ayurveda physicians in Sri Lanka who participated for their postgraduate studies. A questionnaire which was suitable for assessing the basic knowledge, attitude and the practice of pharmacovigilance was designed and submitted among group of Ayurveda physicians (n = 30) who participated for postgraduate studies in Institute of Indigenous Medicine, University of Colombo, Sri Lanka. Among participants 30% of the subjects knew the term pharmacovigilance, 20% were aware of the unavailability of the National Pharmacovigilance Program for Ayurveda and Traditional Medicine in Sri Lanka, 70% believe about Adverse Drug Reactions (ADRs) may be occurred from Ayurveda medicine, 60% indicated that Most labeled counterfeit drugs, inappropriate use and standardization problems as the most important causes of ADRs associated with Ayurvedic drugs, 70% physicians accepted their ignorance about pharmacovigilance and admitted that there was a need for better training of this subject and 90% admitted that there should be a national pharmacovigilance programme for Ayurveda medicines in Sri Lanka.We strongly suggest that there is an urgent need for a regular training and the introduce ADRs reporting system among the Ayurveda physicians. Also systematic pharmacovigilance programme is essential to build up for reliable information on the safety and effective practice of Ayurveda medicine in Sri Lanka.
Lalinda Sugathadasa,Athula Ginige,Gihan Wikramanayake,Jeevani Goonetillake,Lasanthi De Silva,Anusha I Walisadeera 한국농식품정보과학회 2016 Agribusiness and Information Management Vol.8 No.1
This paper presents how Digital Knowledge Ecosystem such as “Govi Nena” (translates as agriculture intelligence) can be used to provide a more effective and practical solution to eliminate the inefficiencies in agricultural markets and achieve higher productivity and price stability. In order to establish the framework to analyze the system, this paper uses a set of hypothetical scenarios faced by value chain actors based on a review of the literature, established knowledge and recent developing country experiences. The scenario analysis reveals that “Govi Nena” enables farmers to make effective production decisions, deepens the level of value chain integration, and enhances the level of welfare for the society as a whole.
Sugathadasa, Lalinda,Ginige, Athula,Wikramanayake, Gihan,Goonetillake, Jeevani,De Silva, Lasanthi,Walisadeera, Anusha I. Korean Society of Food and Agricultural Informatio 2016 Agribusiness and Information Management Vol.8 No.1
This paper presents how Digital Knowledge Ecosystem such as "Govi Nena" (translates as agriculture intelligence) can be used to provide a more effective and practical solution to eliminate the inefficiencies in agricultural markets and achieve higher productivity and price stability. In order to establish the framework to analyze the system, this paper uses a set of hypothetical scenarios faced by value chain actors based on a review of the literature, established knowledge and recent developing country experiences. The scenario analysis reveals that "Govi Nena" enables farmers to make effective production decisions, deepens the level of value chain integration, and enhances the level of welfare for the society as a whole.