In this paper, the oscillatory properties and asymptotic behaviour of a third-order three-dimensional neutral system are discussed.  Some sufficient conditions are obtained to ensure that all bounded positive solutions of the system are oscillatory or non-oscillatory.  On the other hand, the non-oscillatory solutions either converge or diverge when  goes to infinity. A special technique is adopted to include all possible cases. The obtained results include illustrative examples.

     NiTi (also called Nitinol) transforms from cubic (austenite) to monoclinic (martensite), and vice versa, owing to the shape memory effect and superelasticity. Nitinol has a large number of biomedical applications because of its low elastic modulus close to that of natural bone material and good resistance to corrosion and fatigue, in addition to the transformation temperatures of nitinol that are close to body temperature. It has many other important applications, such as in the aircraft industry. In all these important applications, especially medical applications, Nitinol stability is an important factor for safety. Our goal is to study the stability of NiTi by calculating the phonon dispersion relation to obtain an accurate u

هدف البحث الى تعرف علاقة القدرة المكانية ببنية المفاهيم الفيزيائية لدى طلبة كلية التربية للعلوم الصرفة/ ابن الهيثم، شمل البحث طلبة الصف الثالث / الدراسة الصباحية لعام 2011/2012م والبالغ عددهم (98) طالبة وطالبا، موزعين بين ثلاث شعب ، حيث تم اختيار شعبة عشوائيا بلغ عدد طلابها ( 26 )  طالبة وطالبا، مثلوا عينة البحث بعد استبعاد الراسبين والغائبين ، تضمن البحث اداتين ، أحداهما :- اختبار القدرة المكانية والذي تضمن (20) فق

     Hydrochemical study of groundwater has carried out for the Al-Khassa Sub-Basin during the October 2020 and May 2021 seasons for estimating the impacts of seasonal variation and human activity on water quality and using the isotope to determine the main source of recharge. It was found that Biological Oxygen Demand (BOD), Chemical Oxygen Demand  (COD), and Dissolved Oxygen (DO) were out of the standard indicating that the groundwater environment was reduced and difficult to recover from pollution.  Physical and chemical properties that were high (Total Dissolved  Solid (TDS), Total Suspended Solid (TSS),  Electrical conductivity (EC),  Total Hydrocarbon (THC)). Partial pollution by  nitrate and phosphorous due to the use of

    Petrophysical properties including volume of shale, porosity and water saturation are significance parameters for petroleum companies in evaluating the reservoirs and determining the hydrocarbon zones. These can be achieved through conventional petrophysical calculations from the well logs data such as gamma ray, sonic, neutron, density and deep resistivity. The well logging operations of the targeted limestone Mishrif reservoirs in Ns-X Well, Nasiriya Oilfield, south of Iraq could not be done due to some problems related to the well condition. The gamma ray log was the only recorded log through the cased borehole. Therefore, evaluating the reservoirs and estimating the perforation zones has not performed and the drilled well was

يهدف البحث الحالي الى التعرف على 1-  الذكاء اللفظي بين الاطفال ثنائي اللغة والاطفال احادي اللغة

2- الذكاء اللفظي لأطفال ثنائيي اللغة والاطفال احاديي اللغة في متغير النوع (ذكور – اناث ) ،ولتحقيق هدفي البحث اعدت الباحثة مقياس الذكاء اللفظي لاطفال الروضة متكون من (23) فقرة اذ طبقت الباحثة المقياس على عينة بلغ عدد افرادها (40) طفل وطفلة من اطفال الرياض ممن تتراوح اعمارهم من ( 5-6 ) سنوات قسمت العينة الى مجموعتين&nb

 إنّ هدف الدراسة هو الكشف عن المسائل الخلافية عند البلاغيين ؛ بغية التعرّف على وجهات النظر في الدرس البلاغي ، وطريقة تفكير وتحليل العقل البلاغي آنذاك ، ممّا يُرشدنا إلى الانفتاح الفكري . وسُلّطت عدسة البحث على أحد فنون علم المعاني ، ألا وهو فنّ القصر ، لِما حَظِي به هذا الأُسلوب من اهتمام بلاغي . وإنّ هذا البحث يمكّن القارئ من التعرّف على المرجعيات الفكرية للبلاغيين ، إذ كان لها الأثر الأبرز في نشاط الخلافا

اتخذت الدراسات النقدية الحديثة أطراً جديدة ، حاولت جاهدة أن تنتزع من النص لباس وقوالب الأطر القديمة  التي كانت بها تتم إنتاجية النص، بصرف النظر عن الطريقة أو الأدوات التي يتعامل بها المتلقي مع النص. فكانت الدراسات اللسانية بمختلف توجهاتها؛ وتوسع قراءاتها وتعدد مشاربها ، جعلت من شبكة من العلاقات وأنسجة رابطة له، مستفيدة من انساق بنائه، على وفق قراءات شمولية ومستوعبة لكل بنية فيه، من خلال الحفر في اركولوج

عبر البحث في موشحات"صفي الدين الحلي" تبيّن أنه قد وفَّق تمام التوفيق في نظمها، ولاسيّما أنّه اختار ألفاظها، ومعانيها من معجمه الثقافي الزاخر بالإبداع، والجمال. فساعدت هذه الثقافة على ترتيب أفكاره في موشحاته ترتيبا ينمُّ عن شاعرية فذّة، وتفنن جميل، أدّى بها إلى تناسق الصور، وإنسجام الأوزان، فتراقصت ترانيمها، وأنغامها في ذهن السامع ومشاعرهِ، فضلا عن ذلك أن صفي الدين الحلي أعطى لموشحاته مستوً من القوة،والجم

     The Rock Wool Board (RWB) is widely used in the building exterior insulation all over world. As polymer affects hardening of plate, meaning it acted as a basic binder in this work and gave a smooth texture, ease of carrying and workmanship in different sizes and shapes. PVA was studied at the rates of PVA %4, %5, %6.66, %10, %20, results showed that 6.66% is the best percentage, through tensile and bending tests, this percentage was use with polyurethane with rates of PU 1, 0.5, 0.333, 0.25, 0.2 It is found that the ratio 0.333 is the best ratio to give good mechanical properties of bending, tensile and elongation. This percentage was fixed on different percentages of polymer (PU/PVA) as %2.5, %5, %10, %15, %20 and examinations

     In this study, the electron energy distribution function (EEDF), the electron swarm parameters , the effective ionization coefficients, and the critical field strength (dielectric strength) in binary He-H₂ gas mixture which is used as cryogenic for high-temperature superconducting power applications,  are evaluated using two-term solution  of the Boltzmann equation over the range of E/N ( the electric field to gas density) from 1 to 100 Td ( 1 Td=10^-17 Vcm²) at temperature 77 K and pressure 2MPa, taking into account elastic ( momentum transfer) and inelastic cross-sections. Using the electron energy distribution function (EEDF) electron swarm parameters (electron drift velocity, mean electron e

The term ‘photometry’ refers to the accurate determination of the apparent brightness of an astronomical object. Until roughly 1980, nearly all astronomical photometry was done by means of analog measurements of photographic plates, or by analog or digital (photon-counting) techniques with photomultipliers. These photometers produced brightness readings which were typically displayed on dials, plotted on strip charts or printed on strips of paper, and it was often quite practical to analyse these raw data with pencil, paper and a slide rule or table of logarithms. However, during the late 1970s electronic area detectors for astronomy became more advanced: first, for a brief period, television-type cameras were employed, but these were s

     In this paper, subclasses of  the function class  ∑  of analytic and bi-univalent functions associated with operator  L_q^(k,  λ)  are introduced and defined in the open unit disk △ by applying quasi-subordination. We obtain some results about the corresponding bound estimations of the coefficients  a_(2 )  and a_(3 ).

     Medical Ultrasound (US) has many features that make it widely used in the world. These features are safety, availability and low cost. However, despite these features, the ultrasound suffers from problems. These problems are speckle noise and artifacts. In this paper, a new method is proposed to improve US images by removing speckle noise and reducing artifacts to enhance the contrast of the image. The proposed method involves algorithms for image preprocessing and segmentation. A median filter is used to smooth the image in the pre-processing. Additionally, to obtain best results, applying median filter with different kernel values. We take the better output of the median filter and feed it into the Gaussian filter, which then

        Every finite dimensional normed algebra is isomorphic to the finite direct product of  or , it is also proved these algebras are ultrasemiprime algebras. In this paper, the ultrasemiprime proof of the finite direct product of  and  is generalized to the finite direct product of any ultrasemiprime algebras.

      A series of 1,3-diarylprop-2-en-1-one oximes (7-12) were synthesized via reaction of 1,3-diarylprop-2-en-1-one (1-6) with NH₂OH. HCl in dry pyridine. In order to produce the required products (13-18) as anti-isomers, these products (7–12) were then treated with acetic anhydride in dry pyridine. Different substitutes are maintained, resulting in the separation of different products in different yields The recently produced esters are thought to be useful as building blocks for the synthesis of substituted pyridines and many other nitrogen-holding complexes, which are elaborate structures in medicinal chemistry and present in a variety of pharmaceutical medications. The synthesized products were characteriz

A significant influence of temperature width found on the vanadium oxide properties, it plays a major role in highlighting the thermal limits of the three phases (metallic, semiconductor, and dielectric). Two values of the temperature width , and , had taken and studied their effect on both the dielectric constant and its two parts; refractive index, and extinction coefficient, and. It found that: as the temperature width is greater, the more the properties of the three phases for . In addition to increasing the thermal range for phases which can be reached to when , while it's at . Our results have achieved great compatibility with the published results globally. In addition to the effect of both ultraviolet, visible, and infrared

يهدف البحث الى دراسة تأثير مؤشرات الاستقرار المالي على قيمة اسهم القطاع المصرفي لسوق العراق للأوراق المالية ، اذ تعد مؤشرات الاستقرار المالي اداة مفيدة لفحص سلامة وصحة القطاع المصرفي , وكذلك اداء لقياس مؤشر الاستقرار المصرفي المتكون من اربع مؤشرات فرعية (مؤشر كفاية راس المال ، مؤشر جودة الموجودات ، مؤشر السيولة ، مؤشر الربحية) ومؤشر الاقتصاد الكلي ، ومؤشر سوق راس ، ومؤشر الدورة المالية للفترة (2015_2020) ، وتمثل ا

Thin films of pure tin mono-sulfide SnS and tin mono-sulfide for (1,2,3,4)% fluorine SnS:F with Thicknesses of (0.85 ±0.05) ?m and (0.45±0.05) ?m respectively were prepared by chemical spray pyrolysis technique. the effect of doping of F on structural and optical properties has been studied. X-Ray diffraction analysis showed that the prepared films were polycrystalline with orthorhombic structure. It was found that doping increased the intensity of diffraction peaks. Optical properties of all samples were studied by recording the absorption and transmission spectrum in range of wave lengths (300-900) nm. The optical energy gap for direct forbidden transi

The research discusses the relations between Turkey and Japan, which began between the Ottoman Empire and the Meiji Empire in Japan since the arrival of Sultan Abdul Hamid II to power in 1976 and his interest in Japan as the first Asian country to achieve modernization. Both faced one problem during the late nineteenth century, which is the ambitions of Tsarist Russia and the suffering of the parties suffered unequal treaties. Relations between them have begun to develop slowly and gradually, especially after Japan received a large Ottoman delegation on board the Ertugrul frigate in 1890, through the First World War and the Treaty of Sevres, the arrival of Mustafa Kemal Ataturk to power and the establishment of the modern Republic of Turkey

The 2011 Iraqi Measles Control Campaign had as its aim to improve immunization coverage among young adults' 17-24years and, in the longer term, prevention of measles epidemics. The aim of the study is estimation measles vaccination and revaccination efficacy by evaluate the seroprevalence of antibody and response to reimmunization in young adults. A previously vaccinated 189 young adult medical students were tested for measles specific IgG &IgM pre and post catch-up revaccination by using commercially available ELISA. To assess the seroprevalence of antibody response pre measles reimmunization in previously vaccinated young adults; 45 were found to be seronegative. To differentiate between primary and secondary vaccine failure, anti- mea

           The current paper is titled Uncertainty of theme in the postmodernist fiction: The case of  Pynchon's Entropy. It aims at clarifying how features of postmodernist text have  an impact on theme production. Language is  alienated as it does not refer to the conscious world. However, it refers to unconscious world which is characterized by cryptic and it does not make a sense of  the world. The scope of the study throws light on the features of postmodernism to show how psychological factors are employed in the text and the functions of its stylistic features. It is hypothesized that damage in man's psyche has influenced postmodernist short story. The

Background: The purpose of this study is to investigate the relationship between the roots of the maxillary posterior teeth and the maxillary sinus using spiral computed tomography, and measured the distances between the roots of the maxillary posterior teeth and the sinus floor. Materials and Methods: The sample of the present study was a total of 120 Iraqi subject (60 males & 60 females) aged (20-60) years old, who admitted to spiral Computed Tomography scan unit in AL-Zahraa hospital in AL-Kut city to have Computed Tomography scan of the brain and paranasal sinuses who had complaints of headaches or with suspicion of sinusitis but without pathological findings in maxillary sinuses. From November 2012 to April 2013, CT sagittal reconstruc

هذا البحث هو محاولة لتتبع الجذر (منن) في القرآن الكريم، والتعرف على دلالتهِ صوتياً ومعجميّاً فضلاً عن دلالتهِ القرآنية، وقد وجدنا أن هذه الدلالات تكاد تكون متشابهة نوعاً ما، وقد تختلف أحياناً، كذلك وجدنا في المعاجم دلالات متضادة لهذا الجذر منها مثلاً أنه قد يعني القوّة والضعف وهو من الأضداد التي ذكرها علماء اللغة. وقد تجاوزت المعاني التي ذكرتها المعاجم لهذا الجذر الثلاثين معنى، في حين لم تتجاوز العشر في الق

Studied the environment and fish life Qattan in the Euphrates River in central Iraq for the period from September 2002 until 2003 recorded the lowest temperature of the water during the month of January during the month of August ranged salinity ranges between 068

استهدفت الدراسة الى تعرف اثراستعمال مهارات التفكير المنظومي في تحصيل مادة البلاغة للمرحلة الإعدادية. اجريت هذه الدراسة في ثانوية المأمون  للبنات لتكون ميدان لتطبيق تجربة البحث. تكونت العينة من (59) طالبة بواقع (29) طالبة في المجموعة التجريبيةو(30) طالبة في المجموعة الضابطة بأستعمال مهارات التفكير المنظومي للمجموعة التجريبية و الطريقة التقليدية للمجموعة الضابطة.

وكوفئ بين طالبات مجموعتي البحث احصائيا ب

Background: Moringa peregrina Forssk is a well-known plant in ethnomedicine due to its widespread uses in various diseases like cough, wound healing, rhinitis, fever, and detoxification. The plant seeds contain compounds that are cytotoxic to many cancer cells. During the therapeutic use of plants via the oral route, some compounds present in the plants may be cytotoxic to normal cell lines and red blood cells. Objective: This study was the first report of investigation of the cytotoxic profile on oral cancer, CAL 27, cell line, and hemolytic activities on human erythrocytes of Moringa peregrina seeds ethanolic extract (MPSE). Methods: MPSE was screened for its cytotoxic effect against oral cancer, CAL 27, cell line using 3-(4, 5-di

The research aims to analysis the future profits of companies listed on the Iraq Stock Exchange through analyzing the relationship between Actual Growth and Sustainable Growth, The study was applied to the sample of companies included in the Iraq Stock Exchange for the period (2010- 2014), The Internal Growth Rate has been used as a measure for the Actual Return Rate but the Sustainable Growth Rate has been measured under the Rose model, The research showed group of conclusions, the most important are:1. From the analysis of sustainable growth for the banks sample and the variables involved in its measure shows that investment in the investors amounts have achieved a significant return, which demonstrates the company's efficiency at gene

This research after financial ratios in the detection of fraud to the financial statements published which enables specialists from the work of their studies and their conclusions to obtain the information they seek on the activities of the entity. Has provided researchers what these relics They then field study to test the validity and sincerity of the findings of the suggestions that have been upheld the need to study all financial ratios extracted in general, organized and used in decision-making processes necessary administrative.And that the financial management attention more financial analysis and extraction of financial ratios and compare them with industry standards taken from historical norms

             The economical units in the world face great and rapid challenges in all aspects, a matter that requires facing these challenges throughout continuous improving and developing in their performance to keep their competitive position "place".

       The Benchmarking Technique is one of the modern managerial tools that are proved to be successful in application throughout making continuous comparisons between products or services and the best – performance levels the compete with it . This is achieved to develop its performance and give it the competitive criterion with which it faces its competitors.