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Register a new userدراسة حول البعد المنتهي للمؤثر* A ̂S ̂-S ̂ A ̂ في الفضاء[0,∞] L_m^2
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University of Aleppo رسالة ماجستير
Publication date
2016
fields
Mathematics
and research's language is
العربية
Created by
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دراسة حول البعد المنتهي للمؤثر* A ̂S ̂-S ̂ A ̂ في الفضاء[0,∞] L_m^2 تشمل الرسالة على مقدمة وفصلين في الفصل الأول استعرضنا بشكل موجز الدراسات والابحاث ذات الصلة
No English abstract
References used
الأسدي شحادة الجيجكلي نجوى 2008 مؤثر المطابقة مجلة بحوث جامعة حلب سلسلة العلوم الأساسية
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Our main goal in this research is to find the conditions which make
the a - small submodules are equivalent with small submodules and
so s- large submodules with large submodules, then find the relatio
-nship between the radical of module and the a - small submodules.
لما كان أساس المودول يعرف من خلال المودولات الجزئية الصغيرة فقد نالت هذه المودولات أهمية لا بأس بها وذلك بعد أن نشرت إريك مارس بحثها المودولات نصف التامة عام 1963م
The aim of this paper is to study spin waves in ferromagnetic with spin (S=1/2) in complex coordinates system, the paper is divided into three sections:
The First section is about finding a transportation system that enables us to study a microsco
pic phenomenon ,its the spin waves in a classical way. The first step in this transportation system lies in finding the suitable wave function in the chosen coordinates, then the Hamiltonian and the Lagrangian then after that the dynamic equations in the general form, and testing the credibility of the system by making sure that it follow the rules of the study.
The Second section is about the use of that system, which is called the Simi classic way of studying the spin waves, and finding the dispersing equations and energetic levels then discussing the resultes from different ways and effects.
The Third section includes 1- Finding the ground state (basic) and the importance of finding the energy of the ground state lies in its direct effect on the system's energy.2- Finding the movement equations connected with time and place (the time-place equations). Its importance lies in two points; the first one is that it enables us to find the variance in the coordinates of the spin according to time. The second point is to know the spread speed of spin waves according to the chosen axle and the connection of the variation of domains (the magnetic sectors) with the spreading of spin waves and its speed
The SemEval 2021 task 5: Toxic Spans Detection is a task of identifying considered-toxic spans in text, which provides a valuable, automatic tool for moderating online contents. This paper represents the second-place method for the task, an ensemble
of two approaches. While one approach relies on combining different embedding methods to extract diverse semantic and syntactic representations of words in context; the other utilizes extra data with a slightly customized Self-training, a semi-supervised learning technique, for sequence tagging problems. Both of our architectures take advantage of a strong language model, which was fine-tuned on a toxic classification task. Although experimental evidence indicates higher effectiveness of the first approach than the second one, combining them leads to our best results of 70.77 F1-score on the test dataset.
In this research the development of the conditions of the determine copper duo by spectrophotometric method that based on the formation of a complex with Alizarin Red S was accamplished with the presence of fallow acid when the wavelength(220 nm), th
at by studying the effect of PH and the impact if the interference caused by the presence of some metal ions (nickel ions, chromiun ions, 2 inc ions, calciom ions, and triple iron ions) which make it difficult for the progress of determine copper by Alizarin Red S. the best PH value for this process is (pH = 9.5) and the relationship of Lambert Bear realized within the range 0.2 – 125 mg/ml the detection limit was 0.OO1µg/ml.
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