36 articles for “Term Frequency”

Research ArticleOpen accessIn the abstractAn Overview of Direction-of-Arrival Estimation using an Antenna Array with Four ElementsLotfi Osman, Imen Sfar, Ali GharsallahThe Direction-of-Arrival (DOA) estimation techniques using antenna arrays are applied in large areas of research fields and have received great attention in literature. Mobile communication, Sonar and Radar are just some examples among a large number of possible applications. For example, in military application, it is very important to recognize the direction of any threat. Another example of commercial application … …American Journal of Applied Sciences, Vol. 9, Issue 12 · 14 Dec 2012 · 7,777 accessesView PDF Cite

Research ArticleOpen accessIn the abstractGenotoxic Profile of Motor Garage WorkersNandan M. Shastri, Hemlata PantProblem statement: One way to study the effects on an exposed population is to conduct monitoring studies, using relevant biological parameters with a short term manifestation, such as cytogenetic analysis express the damages to the DNA or to the chromosomes resulting from exposure can be identified. The present study was thus designed to elucidate the effect motor garage environment on … …American Journal of Infectious Diseases, Vol. 7, Issue 3 · 15 Oct 2011 · 8,001 accessesView PDF Cite

Research ArticleOpen accessIn the abstractRisk Assessment Study for Storage ExplosiveS. Saiful Azhar, M. Abdul Rahman, M. Saari et al.In Malaysia, there has been rapidly increasing usage in amount of explosives due to widely expansion in quarrying and mining industries. The explosives are usually stored in the storage where the safety precaution had given high attention. As the storage of large quantity of explosive can be hazardous to workers and nearby residents in the events of accidental denotation of … …American Journal of Applied Sciences, Vol. 3, Issue 1 · 31 Jan 2006 · 7,098 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEffect of Short Time Morphine Addiction on the Kidney Tissue in RatReza Malekpourafshar, Hamid ZeinalinejadOpium is an important substance that abuses and has very pharmacological and pathological effects. Morphine is the main substance of opium. In the recent study, it has been tried to identify the short effects of morphine on the kidney pathology of Rats. The randomized double blind study was designed. Twenty rats were selected and divided in two groups and maintained … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 4 · 31 Dec 2005 · 6,397 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordHigh Frequency of Stop Codons in the Human Immunodeficiency Virus-1 Protease Gene Frame in Human Immunodeficiency Virus+ Individuals with Below Detectable Levels of Plasma Viremia During Highly Active Antiretroviral TherapyMagdalena Czubala, Kabo Matlho, Maria Arriaga et al.We performed sequence analysis of HIV-1 proviral protease gene fragment (560 base pairs) amplified from ex-vivo peripheral blood mononuclear cells of 83 HIV+ individuals with Below Detectable Levels (BDL) (<20-40 RNA copies/ml plasma) and detectable levels of plasma HIV viremia while on HAART. Noteworthy was the systematic presence of stop codons identified only in the BDL group and not in … …American Journal of Infectious Diseases, Vol. 8, Issue 3 · 14 Nov 2012 · 8,073 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordA New Approach for Sub-Channels Assignment in Downlink Fourth Generation Mobile SystemsFakhreddine Khelifa, Abdelaziz SametProblem statement: We proposed a new heuristic method for subchannels allocation problem in the context. Approach: In this system, OFDM transmission method has been used, in order to reduce the effect of multipath fading, OFDMA to achieve multiple access schemes and flexibility in resource allocation. Results: An adaptive method for subchannels allocation is necessary in order to exploit the multiuser … …Journal of Computer Science, Vol. 7, Issue 9 · 23 Jul 2011 · 6,588 accessesView PDF Cite