Benzene is a hydrocarbon chemical consisting of six atoms arranged in a ring structure. At normal ambient temperatures; it is a liquid, which evaporates rapidly at room temperature and is highly flammable. It has a characteristic of aromatic odor and is slightly soluble in water (1.5 g/liter at 20ºC) but miscible with most other organic solvents [1].           Long-term inhalation of benzene causes blood disorders. It specifically affects bone marrow [2]. And it may cause anemia, excessive bleeding, damage to the immune system and DNA [3, 4]. Increased incidence of leukemia (cancer of the tissues that form white blood cells) has been observed in people occupationally exposed to

عرض كتاب المدخل الى دراسة الاستراتيجية

The gas-lift method is crucial for maintaining oil production, particularly from an established field when the natural energy of the reservoirs is depleted. To maximize oil production, a major field's gas injection rate must be distributed as efficiently as possible across its gas-lift network system. Common gas-lift optimization techniques may lose their effectiveness and become unable to replicate the gas-lift optimum in a large network system due to problems with multi-objective, multi-constrained & restricted gas injection rate distribution. The main objective of the research is to determine the possibility of using the genetic algorithm (GA) technique to achieve the optimum distribution for the continuous gas-lift injection flo

This work describes the experimental activities developed to study the biomass transport
phenomena occurring in upflow anaerobic reactor influencing the biomass washout. The
experimental investigations have been carried outon pilot UASB fed with the aim to determine the
height to which washout is affected by: daily flow distribution; upflow velocity; concentration and
sedimentation properties of the biomass. The experiments had shown a considerable influence on
the biomass behavior of the time interval between two successive feeds of the reactor. It was found
that, if this period is more than 1 hr larger losses of the biomass into the effluent were obtained,
independent of the upflow velocity. Shorter time periods g

Background: Bariatric surgery (BS) is the most effective method for long-term weight loss. Rapid weight reduction after BS may contribute to the formation of gallstones.

Objectives: To assess the rate, and to identify the associated factors, of gallstone formation after laparoscopic sleeve gastrectomy.

Methods: This was a cross-sectional study among 128 patients with morbid obesity, who were treated with laparoscopic sleeve gastrectomy and followed up at two weeks, one month, six months, and one year after surgery between October 2018 and July 2020, at the Gastroenterology and Hepatology Teaching Hospital in Baghdad and the Dowaly Private Hospital. Data was collected using

         The present study aimed to develop two measurement scales—one for leadership vigilance and another for the implementation of functional tasks—in the context of managing local volleyball championships. It further sought to assess the levels of these two variables from the perspective of administrators, and to examine the contribution and effect of leadership vigilance on task execution. The descriptive correlational method was employed in line with the nature of the research problem. The study population comprised 141 administrators of local volleyball championships during the 2024/2025 sports season, all of whom were deliberately included (100%) through comprehensive enumeration and divided into three subsamples acco

The research aimed to prepare educational units according to the Appleton model for teaching the long jump skill to first-stage students and to identify its impact on learning. The researcher adopted the experimental method with two equal groups (experimental and control) using pre- and post-tests. The population consisted of 115 first-stage students in the Department of Physical Education and Sports Sciences, College of Basic Education, Al-Mustansiriya University, for the academic year 2023–2024, distributed across six divisions (A–F). By lottery, two divisions were selected: Division (B) as the experimental group and Division (E) as the control group, with 25 students each (total 50, representing 43.47% of the population). The expe

            Human behavior is one of the topics that has captured the attention of researchers throughout the ages, and motivation is one of the manifestations of this behavior, which indicates the extent of interest in a particular topic and their unwillingness to rush towards a particular topic. The topic of motivation is one of the important topics of interest to the teacher and coach in the field of sports. The aim of this research was identifying the level of motivation for junior students, and the differences in the dimensions of motivation for junior students in squash lessons. We used the descriptive survey method, and the research sample was chosen randomly. Only male of the junior students in the College of Physical

The importance of the study lies in highlighting the role of smartwatches as a modern tool for analyzing training load based on functional indicators, such as heart rate and calorie consumption. This allows coaches to monitor individual players’ responses during different training periods, helping to improve physical performance efficiency and reduce the risk of overload-induced fatigue. The study aimed to analyze calorie consumption at different heart rate levels between the special preparation and competition periods for youth football players, with the goal of determining the effect of physiological adaptation on energy efficiency. To achieve this objective, the researcher adopted the descriptive method due to its suitability for th

Family social institution mission in the community, if and repaired Magistrate society and often lead that institution a positive role in the socialization, but a variety of factors ailing infect system family Vtfkdh role effective and influential in society and stands at the forefront of those factors disintegration family, whether caused by the death of one or both parents, divorce or separation, or whether the result of domestic weakness and poor family behavioral practices. And gaining the study of great importance and that the scarcity of studies that address the problem of delinquency female, is no secret that stand on the fact the role of disintegration family in the events of that problem will help and a large degree in the devel

This research aims to analyse the problem of organizations in general and universities in particular, in dealing with �quality subjects� in a world where these organizations face the risks of becoming side lined and possibly vanished without looking for solutions that allow them to move in an open arena where change becomes the key to those solutions. Change here must be strategic and planning must adopts a way for organizations to develop mechanisms to manage change itself. Management leaders play a central role in achieving the principle required to chart new trends for universities in dealing with quality as a strategy that allows excellence and competition in light of the success of the processes of change. Change through reengineer

This study was conducted to determine the side effects of dexamethasone n some physiological and immunological criteria, which included, Measuring sugar level, liver (ALT, AST , LDH, Total protein) and kidney function (urea, createnine), total and differential count of W.B.C,CRP, TNF-α ,IL6,IL10. thirty rats were divided into two groups (15\ rat). G1: This group was considered negative control injection with normal saline, G2: This group was injected with 2 mg\kg dexamethasone. The results showed a significant increase in the level of enzymesALT, AST and sugar levels and decreased level of total protein in the group treated with the drug, also showed, a significant decrease in the total number of W.B.C an

وظَّفَ الشاعرُ مجد الدين النُّشَّابي الصورة الاستعارية التي شكلت سمةً جمالية بارزة من سماتِ التشكيل الشعري عنده, وأحد المكونات الأساسية في بنية قصائده الشعرية وهي جوهر الإبداع ومحط التذوق عند المتلقي, إذ يشكل الشاعر صوره الاستعارية المتنوعة متولدة من خياله وعواطفه ومتوافقة مع الموضوع لتصبح الصورة  الاستعارية ركنًّا من أركان التشكيل الفني الشعري عند الشاعر .

والتصوير الاستعاري له القدرة بالتشكيل ا

Background: Maxillary canines are important aesthetically and functionally, but impacted canines are more difficult and time consuming to treat, the aim of this study is to investigate with multi-detector computed tomography the correlation between the bone density and the upper canine impaction. Material and method: A sample of Unilaterally impacted maxillary canines from 24 patients (19 female, 5 male) who were referred to accurately localize the impacted canines at al- Karkh general hospital were evaluated by a volumetric 3-d images by the multi-detector computed tomography to accurately measure the bone density of the maxillary cortical palate of the maxillary impacted canine side and compare it with the other side of the normally erupt

Vitamin A, namely retinol is still the most proper agent for modulating so many biochemical reactions and biological functions in different tissues and organs. In addition to the provitamins A and α, βand γ-carotenoids that are present in various foods from either animal or plant origin, retinoids and rexinoids form the natural and synthetic analogs that are chemically related or unrelated and can be added as food supplements for deficiency disorders of vitamin A or used to alleviate or treat certain health problems such as skin carcinoma, acne, skin aging and dermatitis.

Incidence of bacterial and fungal contaminants in imported chicken femurs was
determined and compared with standard microbiological limits. A total of (12) Kg
of imported chicken femurs were randomly collected at two batches from (6) areas
in Baghdad city. Total aerobic bacterial count, coli form count and Staphylococcus
aureus count were used as an indicator for bacterial contamination, in addition to
yeast and mould count as an indicator for fungal contamination.
Data revealed that skins of imported chicken femurs produced high level of
contamination, in which most of the bacterial counts were near the maximum
standard limit as well as contamination with fungi, whereas the level of
contamination in the meat o

  ملخّص البحث     

يهدف هذا البحث إلى التعريف بنوع من أنواع لطائف الإسناد، وهو الحديث المسلسل بالرواة الشاميين في صحيح البخاري. وأقوال العلماء فيه، ومدى موافقة أقوالهم مع شروط الحديث المسلسل بالرواة. وأهم ما جاء فيه :

1. جرى اختيار الرواة الشاميين في صحيح البخاري ، وقد بلغ عدد الأحاديث اثني عشر حديثاً .
2. عني شراح حديث صحيح البخاري بذكر لطائف الإسناد ، ولاسيما ابن

The novel in its construction depends on set of life elements that is employed by the writer or the novelist to create a convincing world that resemble the real life world and as the novel is going toward experimentation and employing modern phenomenon we find the novelist tends to take advantage from the most realistic details to achieve the required convincing state through serious situations and the novelist Maysaloun Hadi depended in writing her novels on creating tight relations between the things and the elements that has inspired her which are mostly from the environment and from reality , as an example of these elements is the old inherited traditions that distinguish Iraq society as this element is a very important point in Iraq

Background: The present study aimed to assess the distribution, prevalence, severity of malocclusion in Baghdad governorate in relation to gender and residency Materials and Methods: A multi-stage stratified sampling technique was used in this investigation to make the sample a representative of target population. The sample consisted of 2700 (1349 males and 1351 females) intermediate school students aged 13 years representing 3% of the total target population. A questionnaire was used to determine the perception of occlusion and orthodontic treatment demand of the students and the assessment procedures for occlusal features by direct intraoral measurement using veriner and an instrument to measure the rotated and displaced teeth. Results a

    A total of 533 specimens were collected in survey of Brachyceran species from different regions of Iraq during February to November 2014 .This study was reported 16 species belonging to 13 genera and 7 families, the results showed that Dicranosepsis Duda, 1926 (Family; Sepsidae) is  recorded the genus  for the first time in Iraq.

The presence of the most important steroidal sapogenin “Tigogenin” in the leaves of Agave americana  cultivated in Iraq was detected. The absence of any study concerning the Tigogenin content of this medicinal plant in Iraq, and the industrial importance of Tigogenin depending on its role as a precursor in the synthesis of some steroidal drugs, acquired this study its value. This search include extraction,  isolation,  purification and dentification of Tigogenin from the leaves of Agave americana. Extraction of this compound was carried out using two methods. Identification of this compound is carried out by using thin layer chromatography (TLC) where three different mobile phase have been use

The study was conducted to investigate the role of supplementing the diet of
broiler chicken with Black seed (Nigella sativa Linn) broiler chicken in the
immune response of the bird .The study has also investigated the level of some
serum proteins and the activity of amino group transmitting enzymes. The Black
seeds have been ground and supplemented in the diet of the chickens at 2%
inclusion rate .A total of 80 Faobro broiler chicks were divided equally into 4
groups.
Group 1: given Black seed supplemented diet and vaccinated at 8 ,16 and 26 days
of age with one dose of live Newcastle (ND) vaccine in the crop and injected 0.2
ml oil adjuvant ND vaccine subcutaneously.
Group 2: given Black seed supplemented

 تجلت مشكلة البحث بوجود بطأ في سرعة التحرك داخل الملعب و بعض القدرات الحركية عند عينة البحث هدفت الدراسة الى التعرف على تأثير الجهد البدني بدرجات حرارة مختلفة في احد املاح الدم (الكالسيوم) للاعبي كرة القدم الشباب. وقد افترض الباحث ان هناك فروق ذات دلالة احصائية بين تأثير الجهد البدني بدرجات حرارة مختلفة في متغير املاح الدم للاعبي كرة القدم الشباب. وقد استخدم الباحث المنهج الوصفي بنظام المجموعة الواحدة وتم

The current study was conducted in Baghdad governorate (Karkh and Al-Rasafa regions) which included collecting 50 samples of freshly slaughtered sheep meat randomly collected from local slaughter areas and approved governmental slaughterhouses (25 liver and 25 ulna muscles). The results of the aflatoxin B1 detection showed that all samples were contaminated with this toxin at different concentrations ranging from 25–422 ppb and 65–492 ppb for each ulna muscles and liver, respectively. The histopathological and immunological study was conducted in meat samples containing higher and lower concentrations of the toxin. The results of the pathological study in the liver revealed that the concentration (492 ppb) caused thickening of t

The expression is a prominent feature of the Arabic language, but it is one of the characteristics that are inseparable from it. The expressive aspects of each other.
The issue of Arab differences and their impact on the divergence of meaning is one of the issues that have preoccupied the minds of the Arabic language owners and their views went to various doctrines. Introduction: (Whenever I finished a question concluded with a verse related to any download, and followed by the need for expressing, interpretation and interpretation) I found him in some of the Aarabip more than the face of some of the vocabulary raised and erected and a jar, when the verses of the Koran, resulting in a research lies between Grammar and the Koran under

تهدف الدراسة الحالية إلى التحقيق في الخطاب المتعلق بالأزمة اللبنانية-السعودية في أواخر أكتوبر 2021. أثارت هذه الحرب الدبلوماسية والإعلامية ضجة في وسائل الإعلام العربية والدولية. تتناول هذه الدراسة الحرب الإعلامية المكتوبة بين البلدين من منظور الاطار الاجتماعي-الادراكي لفان دايك ولذي يقوم على مفهوم التلاعب في الذاكرة الاجتماعية و الادراكية . تم إجراء التحليل من خلال اختيار مقالتين من الصحف اليومية المنشورة

Background: Coronavirus disease 2019 (COVID-19) is
one of the updated challenges facing the whole world.
Objective: To identify the characteristics risk factors that
present in humans to be more liable to get an infection
than others.
Methods: A cross-sectional study was conducted for
positively confirmed 35 patients with polymerase chain
reaction in Wasit province at AL-Zahraa Teaching
Hospital from the period of March 13th till April 20th. All
of them full a questionnaire regarded by risk factors and
other comorbidities. Data were analyzed by SPSS version
23 using frequency tables and percentage. For numerical
data, the median, and interquartile range (IQR) were used.
Differences between categoric