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作者:Alireza Souri , Mohammad esmaeel Akbari , Mohammad ali Sharifloo
来源:[J].Academia Arena, 2018, Vol.10 (6)马斯兰德出版社
摘要:One of the important relationships between classes in UML is inheritance relationships. Since there are few techniques for modeling and analyzing UML, by formalizing class diagram – as important section of UML – in this paper, after converting one system to class structure i...
作者:Y. Hoseynpoor , T. PirzadehAshraf , Sh. Sajedi ...
来源:[J].Academia Arena, 2017, Vol.9 (3)马斯兰德出版社
摘要:This paper introduces cooperative operation of the unified power quality conditioner (UPQC) with the energy storage system. The proposed system consists of a series inverter, a shunt inverter, and super-capacitors as energy storage devices connected in the dc link through the DC-...
作者:Mojtaba Aghajani (PhD candidate) , Mostafa Naraghi Zadeh, (PhD candidate) , Hassan Ali Beiglou (PhD candidate)
来源:[J].Academia Arena, 2016, Vol.8 (10)马斯兰德出版社
摘要:The study is aimed to investigate the relationship between students’ anxiety and their speaking. To this end, 37 upper-intermediate adult (male and female) EFL learners were chosen through convenience sampling. A speaking test was administered which were scored from 0 to 10 ...
作者:Chun-Xuan Jiang
来源:[J].Academia Arena, 2016, Vol.8 (01s)马斯兰德出版社
摘要:Using Jiang function we are able to prove almost all prime problems in prime distribution. This is the Book proof. No mathematicians study prime problems and prove Riemann hypothesis. In this paper using Jiang function J2(ω) we prove that the new prime t
作者:蒋春暄Jiang , Chunxuan
来源:[J].Academia Arena, 2016, Vol.8 (02s)马斯兰德出版社
摘要:Using Jiang function we prove that for every positive integer K there exist infinitely many primes P such that each of P5+4n is prime.
作者:Parviz Tohidi Nasab , Soheila Seyed Boveir
来源:[J].Academia Arena, 2016, Vol.8 (11)马斯兰德出版社
摘要:In this study, the use of robust optimization approach for locating the proposed covering model for the antennas and telecommunications masts and the models proposed in the literature for the coverage will be used to present an appropriate and new model for its robustness. In the...
作者:Amir Hossein Tayyebi Fard , Dr. Mahmood Bagheri
来源:[J].Academia Arena, 2017, Vol.9 (10)马斯兰德出版社
摘要:The International Monetary Fund (IMF or Fund) has been a subject to a variety of criticisms in the recent decades. One of these disapprovals concerns the management of the IMF. This paper analyzes the vulnerability of IMF in its management appointing and quotas adjusting fie...
作者:Gangadhara Rao Irlapati
来源:[J].Academia Arena, 2018, Vol.10 (7)马斯兰德出版社
摘要:The climate of Argentina is a complex subject. Argentina has winter, spring, summer and autumn seasons. Surface and ground water resources are also available in the Argentina. Summer rains are intense and torrential rain is common. Because of its geographical characteristics...
作者:Manjunath. R
来源:[J].Academia Arena, 2018, Vol.10 (10)马斯兰德出版社
摘要:Photons, like all elementary particles, exhibit both wave –like and particle -like properties. The dual nature of photons can be visualized through their interaction with other particles. The photons possess momentum; carry mass during its motion. Hence they also exert force...
作者:马宏宝Ma Hongbao , PhD
来源:[J].Academia Arena, 2017, Vol.9 (10)马斯兰德出版社
摘要:教育是现代社会必不可少的一部分。伴随着人类文明的历史,教育更是现代人类社会存在与发展的基石。全世界教育投资之大、发展之快、影响之深、学生人数之多,显而易见。以美国为例,美国50个州3亿人口,...

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