American Scientific Research Journal for Engineering, Technology, and Sciences (ASRJETS) https://asrjetsjournal.org/index.php/American_Scientific_Journal <div style="float: left; width: 315; text-align: center; margin-left: 5px;"> <p style="text-align: justify;">The <a title="home page for American Scientific Research Journal for Engineering, Technology, and Sciences" href="/index.php/American_Scientific_Journal/index">American Scientific Research Journal for Engineering, Technology, and Sciences (<strong>ASRJETS</strong>)</a>&nbsp;is <strong>multidisciplinary&nbsp;<strong>peer reviewed </strong>Journal </strong><strong>intended to publish original research papersreview articles, short communications and technical reports in all main branches of science (All scientific disciplines) such as Social Sciences , Natural Sciences , Formal Sciences, and Applied science.&nbsp;(but not limited to):</strong>&nbsp;anthropology, archaeology, communication, criminology, education, government, linguistics, international relations, political science, sociology, Earth science, Ecology, Oceanography, Meteorology, Life science, Human biology, Decision theory, Logic, Mathematics, Statistics, Systems theory, Theoretical computer science, Applied physics, Computer science, all Fields of engineering, Accounting, , Education,&nbsp; 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For detailed information about the journal kindly check <a title="About the Journal" href="/index.php/American_Scientific_Journal/about">About the Journal</a>&nbsp;page.&nbsp;</p> <p>&nbsp;</p> </div> Global Society of Scientific Research and Researchers en-US American Scientific Research Journal for Engineering, Technology, and Sciences (ASRJETS) 2313-4410 <p>Authors who submit papers&nbsp;with this journal agree to the following terms:</p> <ol start="1"> <li class="show">Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a&nbsp;<a href="http://creativecommons.org/licenses/by/3.0/" target="_new">Creative Commons Attribution License</a>&nbsp;that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.</li> <li class="show">Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.</li> <li class="show">Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See&nbsp;<a href="http://opcit.eprints.org/oacitation-biblio.html" target="_new">The Effect of Open Access</a>).</li> <li class="show">By submitting the processing fee, it is understood that the author has agreed to our terms and conditions which may change from time to time without any notice.</li> <li class="show">It should be clear for authors that the Editor In Chief is responsible for the final decision about the submitted papers; have the right to accept\reject any paper. &nbsp;The Editor In Chief will choose any option from the following to review the submitted papers:A. send the paper to two reviewers, if the results were negative by one reviewer and positive by the other one; then the editor may send the paper for third reviewer or he take immediately the final decision by accepting\rejecting the paper. The Editor In Chief will ask the selected reviewers to present the results within 7 working days, if they were unable to complete the review within the agreed period then the editor have the right to resend the papers for new reviewers using the same procedure. If the Editor In Chief was not able to find suitable reviewers for certain papers then he have the right to accept\reject the paper.B. sends the paper to a selected editorial board member(s). C. the Editor In Chief himself evaluates the paper.</li> <li class="show">Author will take the responsibility what so ever if any copyright infringement or any other violation of any law is done by publishing the research work by the author</li> <li class="show">Before publishing, author must check whether this journal is accepted by his employer, or any authority he intends to submit his research work. we will not be responsible in this matter.</li> <li class="show">If at any time, due to any legal reason, if the journal stops accepting manuscripts or could not publish already accepted manuscripts, we will have the right to cancel all or any one of the manuscripts without any compensation or returning back any kind of processing cost.</li> <li class="show">The cost covered in the publication fees is only for online publication of a single manuscript.</li> </ol> Design of a Fractional Order CRONE and PID Controllers for Nonlinear Systems using Multimodel Approach https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5400 <p>This paper deals with the output regulation of nonlinear control systems in order to guarantee desired performances in the presence of plant parameters variations. The proposed control law structures are based on the fractional order PI (FOPI) and the CRONE control schemes. By introducing the multimodel approach in the closed-loop system, the presented design methodology of fractional PID control and the CRONE control guarantees desired transients. Then, the multimodel approach is used to analyze the closed-loop system properties and to get explicit expressions for evaluation of the controller parameters. The tuning of the controller parameters is based on a constrained optimization algorithm. Simulation examples are presented to show the effectiveness of the proposed method.</p> Mohamed Lazhar Wardi Rihab Abdelkrim Messaoud Amairi Mohamed Naceur Abdelkrim Copyright (c) 2019 American Scientific Research Journal for Engineering, Technology, and Sciences (ASRJETS) https://creativecommons.org/licenses/by-nc-nd/4.0 2019-12-06 2019-12-06 62 1 1 19 Implant-prosthetic Rehabilitation after Removal of a Maxillary Cyst with Maxillary Sinus Involvement, without using Bone Augmentation Materials https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5346 <p>Inflammatory odontogenic cysts are among the most frequent lesions of the maxillary bones. Through their evolution, these pathological formations may affect adjacent anatomical structures such as the nasal fossae or the maxillary sinus. Patient rehabilitation is a time-consuming process that can be a challenge for medical practitioners. In this study, authors present the case of a patient with a maxillary cyst involving the maxillary sinus, rehabilitated by implant-prosthetic treatment without using bone augmentation materials. Removal of the maxillary cyst was performed with the preservation of the maxillary sinus membrane, with apicectomy of the teeth adjacent to the cyst and extraction of the causative tooth. The post-cystectomy bone defect was protected with a pericardium membrane, and after 6 months postoperatively, a dental implant was placed in the edentulous area. Three years after cystectomy, the presence of mature bone in the defect area and the stability of the implant-prosthetic restoration could be observed. The rehabilitation method proved to be effective in obtaining a predictable and stable therapeutic outcome.</p> Raluca Iulia Juncar Daniela Popa Alexandru-Iosif Precup Mihai Juncar Copyright (c) 2019 American Scientific Research Journal for Engineering, Technology, and Sciences (ASRJETS) https://creativecommons.org/licenses/by-nc-nd/4.0 2019-12-06 2019-12-06 62 1 20 29 The Role of Knowledge Sharing in Organizational Performance https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5351 <p>With the tremendous development in the current world, it has become necessary for organizations to convey with the rhythm of development in order to achieve the advantage of constructive competition with other organizations in their field. Where knowledge management is considered one of the methods used to raise the level of development, increase revenue and competitive advantage. The purpose of this paper is to discover the role of knowledge sharing in the organization in terms of increasing the effectiveness and efficiency, the significance of knowledge sharing, relationship between knowledge sharing and organizational leadership, the issues of knowledge sharing and how can be addressed. The applied method in this study is Qualitative Research which includes the use of non-statistical data to explain or explore a certain phenomenon. This paper has been failed to include the correspondence between knowledge sharing, employee motivation and performance, as this topic is also reflective of the extended role of knowledge sharing in the efficiency, satisfaction and retention of employees.&nbsp;&nbsp;&nbsp; &nbsp;</p> Zainab Al Kashari Fatma Al Taheri Copyright (c) 2019 American Scientific Research Journal for Engineering, Technology, and Sciences (ASRJETS) https://creativecommons.org/licenses/by-nc-nd/4.0 2019-12-09 2019-12-09 62 1 30 38