Fingerprint attendance system aims to automate the attendance taking procedure of an educational institute using biometric technology (fingerprint). The automated attendance taking procedure is extremely efficient compared to the traditional name call out procedures. It saves the time consumed by the traditional method. However, the available commercial attendance systems are expensive and complex to design and develop. This study proposes a system which is flexible, inexpensive, easy to use and capable to integrate with future development of an educational institute. In brief, the proposed system is most efficient and widely uses solution that keeps the discipline of the students at highest level and allows the guardians of the students to monitor and follow up on the attendance of their students via Internet.
Fingerprint attendance system aims to automate the attendance taking procedure of an educational institute using biometric technology (fingerprint). The automated attendance taking procedure is extremely efficient compared to the traditional name call out procedures. It saves the time consumed by the traditional method. However, the available commercial attendance systems are expensive and complex to design and develop. This study proposes a system which is flexible, inexpensive, easy to use and capable to integrate with future development of an educational institute. In brief, the proposed system is most efficient and widely uses solution that keeps the discipline of the students at highest level and allows the guardians of the students to monitor and follow up on the attendance of their students via Internet.
Renewable energy is one of the essential elements of the social and economic development in any civilized country. The use of fossil fuels and the non-renewable form of energy has many adverse effects on the most of ecosystems. Given the high potential of renewable energy sources in Yemen and the absence of similar studies in the region, this study aimed to examine the wind energy potential of Hodeidah-Yemen Republic by analyzing wind characteristics and assessment, determining the available power density, and calculate the wind energy extracted at different heights. The average wind speed of Hodeidah was obtained only for the data currently available for the five years 2005-2009 (due to the current economic and the political situation in Yemen). The results show that the average wind speed in the five years is (25.2 W/m2 at 10 m, 93.9 W/m2 at 30 m, and 173.5 W/m2 at 50 m). The average yearly wind power density (25.2 W/m2 at 10 m, 93.9 W/m2 at 30 m and 173.5 W/m2 at 50m), and the average yearly energy density (220.8 KWh/m2/year at 10 m, 822.6 KWh/m2/year at 30 m and 1519.9 KWh/m2/year at 50 m). This research is a preliminary assessment of the potential of wind energy in Hodeidah, which provides useful information for developing wind energy and an efficient wind approach. According to the International Wind Energy Rating criteria, the region of Hodeidah falls under 'Class 2' and is classified as 'Marginal' for most of the year.
Medical equipment in Intensive Care Unit (ICU) are high accurate and trusted devices. Infusion pump that uses low flow rate to infuse drugs (sometimes lower than 10 ml/h) into patients, is one of these accurate devices. The flow rate accuracy of the infusion pumps must be checked periodically. This study describes the implementation of a method to guarantee a high and low flow rate of delivered drugs accurately. This study followed the procedures, which are recommended by the ANSI/AAMI ID26 standard. The concluded results are compared to international approved analyzer, which is called ID4 plus analyzer. The obtained results show that the proposed method could be used to guarantee performance of infusion pumps with simple, accurate and low-cost advantages.
Transactional memory (TM) is a promising lock-free technique that can avoid the problems associated with locking. It provides a more general and flexible way than other lock-based techniques by allowing programs to atomically read and modify disparate memory locations as a single operation. We propose a general specification model for an abstract TM with verification for various correctness conditions of concurrent transactions. This model has been constructed as a base to develop a general and flexible formal framework that can prove and validate the correctness of TM systems. Interval Temporal Logic (ITL) is used to build and verify this model, since it offers a powerful tool supporting logical reasoning about time intervals as well as programming and simulation.
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