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Journal of Science and Technology
Number of Followers: 1  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1607-2073 - ISSN (Online) 2410-5163
Published by University of Science and Technology, Yemen Homepage  [5 journals]
  • Automatic Detection System for Vehicular Heatstroke Prevention

    • Authors: Ahmed Al-Areqi, Ahmed Al-Marebi
      Abstract: Many children and animals had died from Vehicular Heatstroke every year. According to the “Not Heatstroke organization,” 882 children have died due to pediatric Vehicular Heatstroke since 1998 in just in the US. Vehicle manufacturers have not given this tragic problem the needed attention despite the massive development of the technology of vehicles. Nowadays, the technology of vehicles has been improved by different types of systems such as Anti-Lock Brakes, Electronic Stability Control, Adaptive cruise control, Lane-departure warning system, and Self-parking which assist and protect the driver's life during the trip. In this paper, a comparison between this system and other vehicular heatstroke detection systems will be executed. An automatic vehicular heatstroke detection system will be designed based on an Infrared Array Sensor. This system will detect any child inside the vehicle by using the Infrared Array Sensor “Grid EYE” as soon as the driver leaves the vehicle. After that, the system will activate the light and horn of the vehicle as an alarm. And then, the system will send an SMS to the driver by GSM signal. Finally, the system will send a signal to turn the air condition on only in case there is no response from the driver.
      PubDate: 2022-04-24
      DOI: 10.20428/JST.26.2.1
      Issue No: Vol. 26, No. 2 (2022)
  • Open Urban Space in Districts / Neighborhoods: The Importance of the
           Socio-Economic Aspect and Civilization Continuity in Areas out of the Old
           City: Sana’a City as a Case Study

    • Authors: د. أمال عبد الكريم عبد الله العرشي
      Abstract: This study considered an important component of the Urban Fabric of which play major role in social and economic aspects of the people in cities, districts, villages, and neighborhoods.  Since the exist of historical cities, and its open urban space, have a distinctive activity within through all the urban fabric of any city.  According to urban design, some elements such as hierarchy, enclosure, form and space and its surrounding, good conditions of these elements giving values to the over all of the district and neighborhoods images in which reflect to the image of the city in general.  This will help a lot and create the interrelation of socio-economic aspect, using open space in positive ways will increase the effectiveness of social and economic activities with the city and versa vars.  The site survey and investigation and analysis various areas been selected (districts) found lack of understanding the role of open space, and lack of consideration of its importance to the social and economic activities aspects, also found neglected as important part of the urban land use due to many negative practicing in the actual implementation of the structure and detail plan of the study area of the city. The study builds theoretical framework based on the literature in order to understand and measure the compatibility of the actual conditions in relation to urban design theories and technical performance, the study conclude the real facts that all open spaces have no real consideration to open urban space order to improve areas within the city as a whole mainly in relation to socio-economic aspects, the study conclude that no real consideration to improve open urban space in order to improve areas within the city, also must of open space found either used by public mini bus parking, squires of commercial open market, as well as squatters and slums by homeless people. Therefore, study recommended, redevelopment, and reconstruct, rehabilitate and repair the open spaces in urban areas which improve all the overall urban spaces in the city through districts, and neighborhoods.
      PubDate: 2022-04-24
      DOI: 10.20428/JST.26.2.2
      Issue No: Vol. 26, No. 2 (2022)
  • تقييم أداء الجهات الاستشارية المحلية في
           الإشراف على تنفيذ المشاريع الممولة
           دولياً في الجمهورية اليمنية

    • Authors: م/ معاذ يحيى حمود الكحيل, أ.د/ حمود احمد احمد الظفيري, د/ طارق عبد الله حسين بركات, د/ عبد الوهاب مجاهد حسن العنسي
      Abstract: تواجه صناعة التشييد في اليمن عدد من العقبات أبرزها سوء الإدارة، ولذلك هدفت هذه الدراسة إلى تقييم الأداء في الإشراف على مشاريع التشييد الممولة دولياً ومعرفة مكامن القصور في أداء الجهات الاستشارية المحلية. حيث يعتبر ذلك الخطوة الاولى من أجل تحسين مستوى الأداء في إدارة المشاريع والإسهام بشكل فعال في بناء وتطوير البنية التحتية وازدهار صناعة التشييد في اليمن. تم استخدام المنهج الوصفي التحليلي من خلال مراجعة شاملة للأدبيات تلتها دراسة ميدانية باستخدام استبيان تم تصميمة وتوزيعه على الجهات الاستشارية اليمنية ذات الصلة. وتوصلت الدراسة إلى أن مستوى أداء الجهات الاستشارية بشكل عام متوسط وأن عمليات إدارة التكلفة تعتبر الأكثر تأثيراً على مستوى أداء الجهات الاستشارية في الإشراف على مشاريع التشييد الممولة دولياً ويليها عمليات إدارة التكامل والنطاق ثم عمليات إدارة الجودة بينما كانت عمليات إدارة الجدول الزمني الأقل من حيث التأثير. وفي النهاية فإن عملية تقييم الأداء تعتبر الخطوة الأهم في سبيل تحسين أداء الجهات الاستشارية المحلية ودعم فريق المشروع في التغلب على المشاكل التي تواجه إدارة مشاريع التشييد  ...
      PubDate: 2022-04-24
      DOI: 10.20428/JST.26.2.3
      Issue No: Vol. 26, No. 2 (2022)
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