On the phenomenon of parametric resonance of a nonlinear vibrator under the action of electromagnetic force

... vibrations of a system with single degree of freedom To avoid repeti­ tion, we shall refer below to the paper [1], where the problem of construction of a solu­ tion of the system of equations of the ... in the system with distributed para­ meters the vibrations with ‘ the lowest frequency (i'jj) play the main role Some experiments were performed with beams and systems of several degrees of free­ ... ig The beam UDder certain conditions of strengthening of its ends is subjected to the action of electromagnetic force which is ìị distant from the origin of the coordinates and directed to the...

... study design, acquisition of data, analysis and interpretation of data, and statistical analysis M-JB and FA contributed to acquisition of data and to analysis and interpretation of data DC and ... Zhang Y, Niu J, Goggins J, Amin S, LaValley MP, Guermazi A, Genant H, Gale D, Felson DT: Increase in bone marrow lesions associated with cartilage loss: a longitudinal magnetic resonance imaging ... played by the meniscal structure and positioning in protecting the integrity of cartilage in both healthy and OA individuals Our data, however, clearly point to the fact that by far the greatest...

... (a0 , ) + ftfo ~ - cos4^o ô a ~ s i n y v ' V ’| \ here a prime denotes partial differentiation with respect to o0 Parametric resonance o f 4th order in nonlinear vibrating system 437 The characteristic ... plitude o f stationary oscillations then becomes 5.3) D 2a% = H ị a ị ^ + í ì - ^ + ịiaì)2, /f2 = - y ^ - Parametric resonance o f 4th order in nonlinear vibrating system 440 T h e resonant curves ... T o study the stability o f stationary oscillations, the variational equations based on tlie Stationary solution will be considered By setting a = ơ0 + a, where a and ôy) we have are d = 4e...

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... size of the Internet, let alone to make an estimation of the amount of information that is available on or through it; • The dynamic nature of the information on Internet: information that cannot ... Theory Intelligent Software Agents in Practise Intelligent Software Agents in Practise 3.1 Applications of Intelligent Agents The current applications of agents are of a rather experimental and ad ... other form of understanding and reasoning about what a user wants done, and planning the means to achieve this goal Further out on the intelligence scale are systems that learn and adapt to their...

... translation of authentic material by professional translator So the theory of translation including translation strategies and procedures, translation of neologisms, technical translation and ... or loan translation 3.1.3 Translation by loan transcription 3.1.4 Translation by paraphrase using unrelated word 3.1.5 Translation by paraphrase using a related word The translation of above ... procedures, translation of non equivalence and characteristics of terminology 1.1 Translation theory In this section the issues relating to translation theory such as the definition of translation, translation...

... communicative language teaching and practical techniques for language teaching 3 Chapter deals with the analysis on the current performance of English teaching and learning in junior high schools in Quang ... Functional-Notional Approach In the 19 70s teachers of the Functional-Notional Approach stopped teaching grammar and started teaching more practical phrases and vocabulary for everyday life and social situations ... emphasizes the implication of the study in which practical techniques for improving the teaching of oral skills for junior high school teachers in Quang Ngai province are suggested Part (Conclusion)...

... VIET NAM NATIONAL UNIVERSITY, HANOI COLLEGE OF FOREIGN LANGUAGES POST GRADUATE STUDIES DEPARTMENT TRẦN QUỐC VIỆT A STUDY ON THE TECHNIQUES FOR THE IMPROVEMENT TO THE TEACHING OF ORAL SKILLS IN LIGHT ... LIGHT OF COMMUNICATIVE ENGLISH LANGUAGE TEACHING FOR JUNIOR HIGH SCHOOL TEACHERS IN QUẢNG NGÃI PROVINCE (NGHIÊN CỨU CÁC THỦ THUẬT NÂNG CAO VIỆC DẠY KỸ NĂNG NGHE NÓI TIẾNG ANH THEO ĐƯỜNG HƯỚNG GIAO ... TIẾNG ANH THEO ĐƯỜNG HƯỚNG GIAO TIẾP CHO GIÁO VIÊN TRUNG HỌC CƠ SỞ TẠI TỈNH QUẢNG NGÃI) M .A. THESIS HA NOI -20 07 ...

... 32 3. 3.1 Introduction 32 3. 3.2 Correction Techniques 34 3. 3 .3 Summary 36 Part 3: Conclusion Recapitulation 37 Limitations and suggestions for further ... Languages Department, Quang Ngai Teachers Training College for their attention and encouragement I am appreciative of all those who have kindly advised and helped me during the period of my study at College ... BA : Bachelor of Arts • : Communicative Language Teaching CLT • DES : District Education Service • ELT : English language teaching • JHS : Junior High School • TJC : Teachers Training Junior...

... with my thesis ii ABSTRACT The main aim of this minor thesis is to evaluate the reliability of the final Achievement Computer-based MCQs Test for the 4th semester non- English majors at Hanoi University ... undertake this study entitled A study on the reliability of the final achievement Computer-based MCQs Test for the 4th semester non- English majors at Hanoi University of Business and Technology ... TABLE OF CONTENT Chapter 1: INTRODUCTION 1. 1 Rationale for the study 1. 2 Aims and research questions 1. 3 Theoretical and practical significance of the study 1. 4 Scope of the study 1. 5 Method of the...

... Maher A. R Sadiq Al-Baghdadi A CFD study of hygro-thermal stresses distribution in tubularshaped ambient air-breathing PEM micro fuel cell during regular cell operation International Journal of Energy ... differential between the fuel cell stack and the operating environment make thermal management a challenging problem in PEM fuel cells As the ambient temperature increases, the air-breathing fuel cell ... to the onset of pore plugging, which has a detrimental effect of the fuel cell performance 2.1 Computational domain The full computational domains for the planar air-breathing PEM fuel cell consists...