623 research outputs found

    WEBSITE BASED INFORMATION SYSTEM DEVELOPMENT TO IMPROVE LEARNING ACHIEVEMENTS

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    The development of an information system package for computer and network- based network engineering expertise aims to improve learning achievement in computer and basic network subjects at SMK IT Rabbi Radhiyya. The type of research carried out is Research and Development (R&D), this development adapts to the needs of the field. The research subjects were class x computer and network engineering expertise packages at SMK IT Rabbi Radhiyya Rejang Lebong, Data collection methods namely: coordination, interviews, questionnaires and test exams. The data analysis technique of learning achievement uses one group t test and between groups. Information on developing a web-based information system on computer and network engineering expertise packages on basic computer and network lessons can improve learning achievemen

    Waste Potential Analysis As a Source Of Electrical Power Plant And Creative Product To Support Tourism (Case Study in Kepulauan Seribu)

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    Waste can be used for energy sources from waste gas or composting. Energy can also be obtained from burning waste that can not be processed by incineration for power plants (PLTSa). Besides, garbage can also be used for the manufacture of creative products such as bags, bags or wallets from used coffee wrappers or also the use of waste paper for the manufacture of containers and invitations or paper ornamental paper. The waste in the Kepulauan Seribu is numerous and consists of two types of garbage: household and industrial waste and waste from the sea. Considering the condition of garbage in Kepulauan Seribu it needs to be analyzed about the potential of garbage as the fuel of garbage power plant and creative product to support tourism in Kepulauan Seribu District Administration. The steps taken are calculating the volume and types of waste in the Kepulauan Seribu, then calculating the energy owned by garbage and calculating the economic potential for the creative product from the waste. After that it will analyze energy potential and economic potential of waste. The final result of this research is expected to know the potential of garbage for the fuel of garbage power plants and creative products

    Extraction, Purification and Characterization (A) of Arginine Deiminase Enzyme from a Local Higher Productive Isolation of Enterococcus faecium M1

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    Arginine deiminase (ADI) enzyme was extracted from Enterococcus faecium M1 isolate and lysozyme was efficient in bacterial cell lyses more than Triton-X100 and Glass beads.ADI was more active in the range of (50-80%) ammonium sulfate saturations. After purification by anion exchange and gel filtration chromatography the specific activity of ADI reached to 59.2 U/mg protein with 11.23 folds and 42.93% yield. The purity of enzyme was estimated by Native-PAGE electrophoresis under non denatured conditions. The whole average molecular weight of ADI was 186 KDa, included two non- identical bands on SDS- PAGE, one of them had 52 KDa and the other had40 KDa. By concluding, ADI may contain four polypeptide subunits (tetrarmeric enzyme). Optimum pH for enzyme activity was ranged between (6.5 to 7.5) with maximum activity at pH 7.0 and still active over a wide range of pH values (4.0-10), ADI was more stable at pH level (6.0-7.5) with full remaining activity. By concluding, the maximum activity and stability of ADI in neutral pH encouraged us to use it as anticancer treatment agent and for other applications in human body. Keywords: Arginine deiminase, E. faecium M1, Extraction, Purification, Characterization (A)

    Study of Some Physical and Mechanical ‎Properties of New Polymeric Composition from ‎Rubber

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    في هذا البحث تم  دراسة الخواص الفيزيائية والميكانيكية (الشد,الاستطالة,المرونة والصلابة) للجزء الخارجي لإطار السيارة المصنع في معمل إطارات بابل من خلال المطاط الصناعي (SBR) حيث حضر في هذه الدراسة ثلاث مجاميع من النماذج (العجنات المطاطية)  اولأ: المجموعة الأولى تضمنت 7 عجنات تحتوي على المطاط الصناعي والسيليكا  بنسب وزنيه مختلفة (1%, 2.5%, 5%, 7.5%, 10%, 12.5%, 15%). ثانيأ: المجموعة الثانية  تضمنت 7 عجنات تحتوي على المطاط الصناعي والكأولين العراقي بنسب وزنية مختلفة (1%, 2.5%, 5%, 7.5%, 10%, 12.5%, 15%).  ثالثأ: المجموعة الثالثة تحتوي 4 عجنات تتضمن مزج المالئات (السيليكا والكأولين) بنسب وزنية مختلفة.  اجريت عملية التحضير بااستخدام عصارة ذات رولة مزدوجة وبعد اجراء الفحوصات بينت النتائج ان افضل نسبة وزنية لتحسين الخواص الفيزيائية والميكانيكية هي (7.5phr)In this paper,studies of the physical and mechanical properties such as (tensile e  strength, elongation, modulus  and hardness) to (IT 1060) tires in Babylon tire industry are prepared in this study three groups of models      The first group: included 7 samples that contain synthetic rubber with silica in different proportions by weight (1%, 2.5%, 5%, 7.5%, 10% ,12.5%, 15%)phr.           The second group: included 7 samples that contain synthetic rubber with Iraqi kaolin  in different proportions by weight (1%, 2.5%, 5%, 7.5%, 10% ,12.5%, 15%)phr.      The third group: contains 4 samples included mix filler  (silica & kaolin) of different proportions by weight.                                 (Two roll mill) are used in preparation after conducting tests and the use of many devices test results showed that the best ratio by weight (7.5 phr) to improve the physical and mechanical propertie

    Medina: Reviving Place Identity through Public Space

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    Medina, as the second holy city for Muslims around the world and a place where the Prophet (peace be upon him) lived and is buried, has a distinctive identity. On the contrary, however, the central part of the city, the area where the old city was located, has lost its traditional identity in favour of globalization and modernization. One major factor that affects a location’s sense of place is the absence of public space and green space. In other words, the negligence of the public space’s role in reviving and restoring the identity of a place results in a sense of non-place. For many visitors to Medina, the current state (the contemporary urban setting) of the central city fails to match their expectations. Inserting an urban park (public space) within the area will enhance and help conserve the place’s identity, meet visitors’ visions, and allow more social interactions among visitors and locals. My design proposal is to create an urban park and a public space located at the periphery of the Prophet’s Mosque. The park will offer visitors a quiet place of refuge within the busy surrounding urban context and will demonstrate the location’s identity through shading structures. The program will consist of shading structures, mobile eateries, seating areas, public space, and vegetation

    Thrombophilia: Factor V Leiden Mutation as a Genetic Background in Patients with Retinal Vein Occlusion

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    Aim: This study was designed to detect the association between factor V Leiden mutation and retinal vein occlusion.Methods: A total 60 adult newly diagnosed retinal vein occlusion patients ( branch or central types) with or without systemic disorders were included in this study in addition to 84apparently healthy adult control persons. Factor V Leiden mutation by PCR- RFLP technique was done for all cases of patients and controls groups.Results: The number of patients express FVL mutation was 13/60 (21%), while that of control subjects 7/84 (8.3%)and the P- value reach to (0.023).The Odd ratio was 3.043 with a confidence interval of (1.133-8.171)that indicate a strong association between FVL mutation and retinal vein occlusion. At the same time the etiologic fraction (EF) was 0.436which mean that FVL mutation remain as a risk factor not a cause for retinal vein occlusion.Conclusions: FVL mutation is significantly higher in patients than control group, and consider a strong risk factor for retinal vein occlusion. Keywords: Factor V Leiden, Thrombophilia, Retinal vein occlusion
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