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تقييم أداء النظام الخدمي في مستشفى بغداد التعليمي العام وإعادة تشكيل النظام باستخدام أسلوب Q-GERT
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أن المساهمة الأساسية لهذا البحث هي وصف كيفية تحليل الأنظمة الخدمية المعقدة ذات خصائص الطابور الموجودة في مستشفى بغداد التعليمي العام باستخدام تقنيات شبكية وهي تقنية أسلوب (Q – GERT ) وهي اختصار من الكلمات : Queuing theory _ Graphical Evaluation and Review Technique أي أسلوب التقييم والمراجعة البياني حيث سوف يتم معرفة حركة انسيابية المرضى داخل النظام وبعد استخدام هذا المدخل سيتم تمثيل النظام على هيئة مخطط شبكي احتمالي وتحليله ومعرفة التوزيعات الاحصائية الملائمة لأوقات الوصول والمغادرة حيث تم استعمال البرنامج الجاهز (Win QSB ) ومحاكاة البيانات التي تم جمعها مباشرة من (9) قسم خدمي بالمستشفى وقتا مدته ساعتين أي (120 ) دقيقة خلال وقت الذروة من الساعة (12 – 10 ) ظهراً ، ولغرض تحليل البيانات ومعرفة التوزيعات الإحصائية الملائمة فقد تم استخدام البرنامج الإحصائي الجاهز ( STATGRAPHICS PLUS 4.0 ) وتم اختبار البيانات بذات البرنامج باختبار حسن المطابقة ( (Good ness of fit ، وبعد تحليل البيانات تم التوصل إلى أن أفضل توزيع لأوقات الوصول كان التوزيع الطبيعي (Normal distribution ) وأفضل توزيع لأوقات المغادرة كان توزيع كاما (Gamma distribution) ولكافة الأقسام عدا قسمي التسجيل والصيدلية فاتبعتا التوزيع الطبيعي لأوقات الوصول والمغادرة ، حيث سوف يتم بناء النظام على شبكة طابور مؤلفة من العقد والفروع والتي من خلالها سوف نصل إلى عقد الانتظار ونقوم بمعالجة هذه العقد بوضع الحلول التي تؤدي إلى حل المعوقات الناجمة أثر الاختناق الناجم من الانتظار .

Publication Date
Thu Feb 07 2019
Journal Name
Iraqi Journal Of Laser
Treatment of Skin Hyperpigmentation using Q-Switched (1064nm and 532nm) Nd:YAG Laser
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Hyperpigmentation is the increase in the natural color of the skin. The purpose of this study is to evaluate the efficacy and safety of Q-Switched Nd:YAG (1064 & 532 nm) Laser in treatment of skin hyper pigmentation. This study was done in the research clinic of Institute of laser for postgraduate Studies/University of Baghdad from October 2008 to the end of January 2009. After clinical assessment of skin hyperpigmentation color, twenty six patients were divided according to their lesions. Eight Patients with freckles, seven patients with melasma, four patients with tattoo. Cases with tattoo, were subdivided into amateur tattoos two, professional tattoos one, and one traumatic tattoo. Four Patients with post inflammatory hyperpigment

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Publication Date
Tue Apr 24 2018
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
Very High Q-Factor Based On G-Shaped Resonator Type Metamaterial Absorber
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High Q-factor based on absorption can be achieved by tuning (the reflection and the transition percentage). In this work, the simple design and simulated in S-band have been investigated. The simulation results of G-shape resonator are shown triple band of absorption peaks 60%, 91.5%, and 70.3%) at resonance frequency 2.7 GHz, 3.26 GHz, and 4.05 GHz respectively. The results exhibited very high of the Q-factor ( 271 ) at resonance frequency ( 3.26 GHz ).  The high Q-factor can be used to enhance the sensor sensing, narrowband band filter and  image sensing.

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Publication Date
Wed Aug 09 2017
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
New Kinds of Blocking sets in a Projective Plane PG(2,q)
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In this work, new kinds of blocking sets in a projective plane over Galois field PG(2,q) can be obtained. These kinds are called the complete blocking set and maximum blocking set. Some results can be obtained about them.

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Publication Date
Sun Oct 01 2023
Journal Name
Baghdad Science Journal
Small Horizontal Wind Turbine Design and Aerodynamic Analysis Using Q-Blade Software
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Wind energy is one of the most common and natural resources that play a huge role in energy sector, and due to the increasing demand to improve the efficiency of wind turbines and the development of the energy field, improvements have been made to design a suitable wind turbine and obtain the most energy efficiency possible from wind. In this paper, a horizontal wind turbine blade operating under low wind speed was designed using the (BEM) theory, where the design of the turbine rotor blade is a difficult task due to the calculations involved in the design process. To understand the behavior of the turbine blade, the QBlade program was used to design and simulate the turbine rotor blade during working conditions. The design variables suc

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Publication Date
Sun Jan 01 2023
Journal Name
Journal Of Interdisciplinary Mathematics
Certain subclass of meromorphic univalent positive coefficients defined by q-difference operator
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This paper introduces a Certain Subclass of Meromorphic Univalent Positives Coefficients Defined by the q-Difference Operator. Coefficient estimates are investigated and obtained, and the upped bound is calculated.

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Publication Date
Wed Dec 01 2021
Journal Name
المجلة العلمية لعلوم التربية الرياضية
متغيرات الاستجابة الحركية باستخدام منظومة H7 وعلاقتها بدقة حائط الصد للمنتخب العراقي بالكرة الطائرة
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Publication Date
Wed Sep 01 2010
Journal Name
Journal Of Economics And Administrative Sciences
دراسة المتغيرات المؤثرة على زيادة أعداد الحيوانات المنوية النشطة باستخدام نموذج توبت (Tobit Model
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The no parity problem causes determining is the most interesting case by doctors and researchers in this filed, because it helps them to pre-discovering of it, from this point the important of this paper is came, which tries to determine the priority causes and its fluency, thus it helps doctors and researchers to determine the problem and it’s fluency of increase or decrease the active sperm which fluencies of peregrinating. We use the censored regression (Tobit) model to analyze the data that contains 150 observations may by useful to whom it concern.         

 

 

 

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Publication Date
Fri Nov 01 2024
Journal Name
Optical Materials
Nanostructured LNTO saturable absorber for generating multi-wavelength laser in Q-switched EDFL
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In this paper, we propose a new and efficient ferroelectric nanostructure metal oxide lithium niobate [(Li1.075Nb0.625Ti0.45O3), (LNTO)] solid film as a saturable absorber (SA) for modulating passive Q-switched erbium-doped fiber laser (EDFL). The SA is fabricated as a nanocomposite solid film by the drop-casting process in which the LNTO is planted within polyvinylidene fluoride-trifluoroethylene [P(VDF-TrFE)] as host copolymer. The optical and physical characteristics of the solid film are experimentally established. The SA is incorporated within the cavity of EDFL to examine its capability for producing multi-wavelength laser. The experimental results proved that a multi-wavelength laser is produced, where stable four lines with central

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Publication Date
Sat Aug 31 2019
Journal Name
Iraqi Journal Of Physics
The Q-switched Nd:YAG laser shock processing effects on mechanical properties of C86400 Cu-Zn alloy: Q-switched Nd:YAG laser shock processing effects on mechanical properties of C86400 Cu-Zn alloy
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The aim of this paper is to investigate the effects of Nd:YAG laser shock processing (LSP) on micro-hardness and surface roughness of 86400Cu-Zn alloy. X-ray fluorescence technique was used to analyze the chemical composition of this alloy. LSP treatment was performed with a Q-switched Nd: YAG laser with a wavelength of 1064 nm. The results show that laser shock processing can significantly increase. The micro-hardness and surface roughness of the LSP-treated sample. Vickers diamond indenter was used to measure the micro-hardness of all samples with different laser pulse energy and the different number of laser pulses. It is found that the metal hardness can be significantly increased to more than 80% by increasing the laser energy and t

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Publication Date
Fri Sep 01 2017
Journal Name
المجلة العلمیة للتربیة البدنیة وعلوم الریاضة. جامعة حلوان
تمرینات خاصة لتطویر الإحساس بمقدار القوة المبذولة لعضلات الذراعین والرجلین وتأثیرها فی دقة أداء بعض المهارات الهجومیة بکرة السلة للشباب
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