92 research outputs found

    Synthesis Of Cs-Pollucite Nanozeolite And Catalytic Study In Base-Catalyzed Benzaldehyde Condensation Reactions

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    This project aims to synthesize nanosized Cs-pollucite (ANA topology) solid catalyst without organic structure-directing agent for condensation reactions of benzaldehydes. The first part focuses on the effect of the synthesis parameters (e.g. heating temperature, and hydrogel chemical composition) on the crystallization process of nanosized Cs-pollucite zeolites

    CT SCAN IMAGES ANALYSIS OF MAXILLARY SINUS DIMENSIONS AS A FORENSIC TOOL FOR SEXUAL AND RACIAL DETECTION IN A SAMPLE OF KURDISH POPULATION

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    Despite the fact that the skull and other bones may be badly disfigured in victims who are incinerated, it became an urgent necessity to gender determination using maxillary sinuses as a useful tool of human skeletons in forensic medicine. The aim of the study: to determine the reliability and accuracy of maxillary sinus dimension measurement as a method for gender and racial identification through the use of reconstructed helical CT images. Material and Methods: This prospective study included cranial computerized tomography images (CT) of 119 (M: 57 and F: 62) of the Kurdish population of Sulaimani city of Iraq with an age range (20 - 75) years. All patients were examined on Spiral Computed Tomography Scanner from October 2014 to March 2015.The greatest measurements were taken from the width, length, and height of the maxillary sinuses. The descriptive and discriminate analyzes were performed by using the SPSS package program. Results The mean of the length, the width, and the height of maxillary sinus in males on both right and left sides were (35.90± 4.71, 36.63 ± 5.34) (25.74 ± 5.69 , 25.36 ± 6.03) and (32.86 ± 7.00 , 33.13± 6.87) mm, respectively but in females were (34.58 ± 4.21, 35.60 ± 3.94 ), (22.54 ± 4.74 and 21.53 ± 4.47) and (29.16 ± 7.20,29.25 ± 6.17 )mm respectively. The present study showed that the left maxillary sinus width was the best discrimination parameter, that could be used to study sex dimorphism with Prediction of 69.4% for female and 52.6% for male (overall accuracy = 61. 3%). The discriminative analysis showed that the accuracy of maxillary sinus measurements-i.e the ability of the maxillary sinus size to identify gender-was 71% in females and 56.1% of males (overall accuracy = 63.9%). Conclusion The study showed that the diameters of the maxillary sinus can be used as a guide and a useful tool for racial and sex determination

    CT SCAN IMAGES ANALYSIS OF MAXILLARY SINUS DIMENSIONS AS A FORENSIC TOOL FOR SEXUAL AND RACIAL DETECTION IN A SAMPLE OF KURDISH POPULATION

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    Despite the fact that the skull and other bones may be badly disfigured in victims who are incinerated, it became an urgent necessity to gender determination using maxillary sinuses as a useful tool of human skeletons in forensic medicine. The aim of the study: to determine the reliability and accuracy of maxillary sinus dimension measurement as a method for gender and racial identification through the use of reconstructed helical CT images. Material and Methods: This prospective study included cranial computerized tomography images (CT) of 119 (M: 57 and F: 62) of the Kurdish population of Sulaimani city of Iraq with an age range (20 - 75) years. All patients were examined on Spiral Computed Tomography Scanner from October 2014 to March 2015.The greatest measurements were taken from the width, length, and height of the maxillary sinuses. The descriptive and discriminate analyzes were performed by using the SPSS package program. Results The mean of the length, the width, and the height of maxillary sinus in males on both right and left sides were (35.90± 4.71, 36.63 ± 5.34) (25.74 ± 5.69 , 25.36 ± 6.03) and (32.86 ± 7.00 , 33.13± 6.87) mm, respectively but in females were (34.58 ± 4.21, 35.60 ± 3.94 ), (22.54 ± 4.74 and 21.53 ± 4.47) and (29.16 ± 7.20,29.25 ± 6.17 )mm respectively. The present study showed that the left maxillary sinus width was the best discrimination parameter, that could be used to study sex dimorphism with Prediction of 69.4% for female and 52.6% for male (overall accuracy = 61. 3%). The discriminative analysis showed that the accuracy of maxillary sinus measurements-i.e the ability of the maxillary sinus size to identify gender-was 71% in females and 56.1% of males (overall accuracy = 63.9%). Conclusion The study showed that the diameters of the maxillary sinus can be used as a guide and a useful tool for racial and sex determination

    the Qualification Stage for the Written Evaluation of The Queen Rania Al Abdullah Award for Distinguished Teacher for the 2020/2021 Session in the Light of some Variables

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       هدفت الدراسة إلى تعرف مستوى أداء المعلمين المتقدمين لمرحلة التأهل للتقييم الكتابي لجائزة الملكة رانيا العبدالله للمعلم المتميز لدورة 2020/2021 في ضوء بعض المتغيرات، وقد استخدم الباحثون المنهج الوصفي التحليلي، وتم استخدام أداة الدراسة وهي اختبار أعدته جمعية الجائزة مكون من (100) فقرة ضمن ثلاثة مجالات، وتكون مجتمع الدراسة من جميع المعلمين والمعلمات الذين تقدموا لجائزة الملكة رانيا العبدالله خلال الفصل الدراسي الثاني للعام الدراسي 2020/2021، والبالغ عددهم (3435) معلمًا ومعلمة، وأظهرت نتائج الدراسة أن نسبة المتوسط الحسابي للأداء على جميع الفقرات بلغ (68.6%)، حيث جاء في المرتبة الأولى مجال الوعي بالممارسات الفضلى بنسبة مئوية (72.1%)، يليه في المرتبة الثانية مجال المعرفة بنسبة مئوية (61.7%)، وفي المرتبة الأخيرة جاء مجال الاتجاهات بنسبة مئوية (0.97%). وأشارت النتائج إلى عدم وجود فروق ذات دلالة إحصائية تُعزى لمتغير الجنس وسنوات الخبرة، وتبين وجود فروق ذات دلالة إحصائية تعزى لمتغير المؤهل العلمي ومتغير فئة الجائزة.The study aimed to explore the level of the performance of the teachers applying for the qualification stage for the written stage for the Queen Rania Al Abdullah Award for the Distinguished Teacher for its 2020/2021 Session in light of some variables. The researchers utilized the descriptive analytic approach. The (100) paragraph study tool was a test made by the Award Association and covers three domains. The study population consists of all teachers (males and females) who applied for the Award during the second semester 2020/2021, and there number was (3435). The results of the study showed: the percentage of the arithmetic average of the performance on all paragraphs was 68.6% where the domain of the best-practices awareness with a percentage of 72.1%, followed by the domain of knowledge in the second place with a percentage of 61.9% and the domain of the trends came in the last place with a percentage of 70.9%. The results indicated that there were no statistically significant differences due to gender and years of experience; while there were statistically significant differences due to the academic qualification and the award variables

    Micro- and macroscopic observations of the nucleation process and crystal growth of nanosized Cs-pollucite in an organotemplate-free hydrosol

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    The nucleation and crystal growth of nanoscale cesium pollucite aluminosilicate zeolite (ANA topology) from an organotemplate-free precursor suspension are reported. By using a new and reactive synthesis recipe (5.5SiO2:1Al2O3:6Cs2O:140H2O), zeolite nanocrystals with higher Al content (Si/Al ratio = 2.12) are obtained within 120 min under mild condition (180 °C) which is much faster and safer as compared to those previously reported. The solid initially experiences amorphous phase reorganization before nucleation, crystallization and crystal growth take place. The resulting Cs-pollucite nanocrystals (average size 55 nm) display trapezohedron morphology. The nanocrystals are colloidally stabilized in water and they are very active in base-catalyzed cyanoethylation of dipropylamine reaction, giving 89.6% conversion at 180 °C within 50 min. In addition, high solid yield of nanocrystals (ca. 70%) is also achieved, thus offering a green pathway for synthesizing zeolite nanocrystals with high basicity in large scale

    Surgical Management of Thermal Injury: Narrative Review

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    Extensive burn care advanced over the past few decades to the point where burn victims can now often live. The goal of treating a severely burned patient nowadays is to help them return to their communities, families, and places of employment as fully participating members of society, rather than only preserving their life and ability to function. Burns are a common and difficult critical care issue. Specialized hospitals prioritize achieving optimal functional recovery, infection prevention, and patient stabilization. Over the past few decades, researches on burns have attracted a lot of attention. A number of significant discoveries have improved patient stability and reduced mortality, particularly in the case of younger patients and those with intermediate-degree burns. The presence of dead tissue over a burn wound hinders the healing process and serves as a breeding ground for bacteria. Consequently, clearing the eschar as soon as possible and getting a clean wound bed as soon as possible, can be regarded as the main objective to initiate the process of wound healing, either through autografting or spontaneous epithelization. This review article provides a comprehensive overview of the surgical management of thermal injuries. The article also discusses the importance of early surgical intervention, including debridement, skin grafting, and other surgical techniques. Additionally, it explores the latest advancements in surgical management and the potential future directions in this field. Overall, this review aims to provide a valuable resource for healthcare professionals involved in the care of patients with thermal injuries

    Access and utilisation of primary health care services comparing urban and rural areas of Riyadh Providence, Kingdom of Saudi Arabia

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    The Kingdom of Saudi Arabia (KSA) has seen an increase in chronic diseases. International evidence suggests that early intervention is the best approach to reduce the burden of chronic disease. However, the limited research available suggests that health care access remains unequal, with rural populations having the poorest access to and utilisation of primary health care centres and, consequently, the poorest health outcomes. This study aimed to examine the factors influencing the access to and utilisation of primary health care centres in urban and rural areas of Riyadh province of the KSA

    Correlation of Total Cholesterol and Glucose in Serum of Iraqi Patients with Atherosclerosis and Diabetes Mellitus Type 2

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    Cholesterol is a fatty substance (lipid) classified as a waxy steroid of fat. It is absorbed by the intestine into blood stream and is packaged inside a protein coat a chylomicron. Blood glucose is a simple monosaccharide absorbed directly into the blood stream during digestion. The level of blood glucose normally represents a balance between the inflow of glucose into blood and it is uptake by the tissue. Atherosclerosis is a general term for a number of different medical conditions that affect the heart, this is occurs when the blood supply to a part of heart is interrupted, must commonly due to plaque, is build up in the coronary arteries consist of lipid cholesterol and calcium. It causes a damage of potential disease of heart muscle due to thickening and hardening of arteries. Diabetes mellitus is a disorder in which the level of blood glucose is persistently elevated above the normal range due to decrease secretion of insulin. The main objective of this study is to determine the concentrations of total cholesterol and glucose into blood serum of Iraq patients with atherosclerosis and diabetes mellitus type 2. This study included 60 specimens of patients with atherosclerosis and 60 patients with type 2 diabetes mellitus; their age range was 45-65 years. These patients were then matched by age and sex to 30 healthy individuals. Results revealed that there was highly significantly increased in the mean value of total cholesterol and glucose concentrations in patients of atherosclerosis (p<0.001) and diabetes mellitus (p<0.001) as compared with healthy individuals

    Mechanochemical Cu( ii ) complexes and propargylamine synthetic adventures †

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    We synthesized and characterized known and new Cu(ii)–salen complexes and investigated their efficacy in yielding propargylamines (PAs) via an A3 coupling reaction mechanochemically. Although the method appears simple, we explicitly describe synthetic obstacles that urge unavoidable solvent use to isolate the molecular entities in high purity. The recovered complexes retain structure and catalytic efficacy, and a library of twenty-four known and unknown PAs are isolated in very good to excellent yields. The scope and limitations of this method are presented
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