On the extinguishing of parametric vibrations
On the extinguishing of parametric vibrations
... + /> sinw the amplitude of stationary vibrations decreases If the constant p strives for - j- (2 < + j /c —b 2y 2) t then the amplitude /ọ o f the stable vibration vanishes On the extinguishing ... vanishes On the extinguishing o f param etric vibrations 225 The Extinguishing of Connected Vibrations Now consider a nonlinear connected system o f the form [2]...
Ngày tải lên: 08/04/2015, 15:30
On the phenomenon of parametric resonance of a nonlinear vibrator under the action of electromagnetic force
... the parametric oscillatiòn On the phenomenon o f parametric resonance o f a nonlinear vibrator 283 It is to be noted that the linear oscillation of the mass m in a similar electromechanical system ... electromechanical system, the scheme of which is represented in Fie The vibrator consists of a cantilever beam and a block of mass /?/, which is made...
Ngày tải lên: 08/04/2015, 15:30
Báo cáo y học: "The Influence of Hyperbaric Oxygen Treatment on the Healing of Experimental Defects Filled with Different Bone Graft Substitutes"
... biomaterials, different combinations of bone grafts and systemic supportive therapy alternatives are important areas of research Hyperbaric oxygen therapy (HBOT) is a mode of medical treatment in which the ... on the healing of bone lesions in different anatomical regions with ischemic perfusion, the current knowledge about its influence on bone graft...
Ngày tải lên: 25/10/2012, 11:15
Báo cáo y học: "Effect of antibodies on the expression of Plasmodium falciparum circumsporozoite protein gene"
... exoerythrocytic [6] and erythrocytic [7] cycle However, there is almost no information on the effect of antibodies on the expression of Plasmodium immunogenic molecules There are evidences that antibodies can ... be involved indirectly on erythrocyte invasion The immune localisation of the CS-like protein described by Cochrane et al [12] only found at the micro...
Ngày tải lên: 02/11/2012, 10:14
Báo cáo y học: "Update on the treatment of ocular toxoplasmosis"
... presence of interactions with the metabolism of folic acid Folinic acid therapy is given three times a week to avoid leukopenia Discontinuation of the therapy is recommended if the leukocytes are ... the treatment of Toxoplasma retinochoroiditis Azithromycine is an alternative to classical therapy was proposed as an alternative therapy in the treatment of ocular toxo...
Ngày tải lên: 03/11/2012, 11:01
A study on the translation of economic terminology
... 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...
Ngày tải lên: 07/11/2012, 14:12
Metaphor, based on the association of similarity, is one of the two basic types of semantic transference that have been an interest for many linguistic researchers
... forms of language that realize the genre So the context of situation (register) is the second aspect of social context that influences the linguistic realization of the genre This context of An ... refers to the consideration of meaning in an incongruent way at the level of the organization of the discourse The most congruent form of joining...
Ngày tải lên: 07/11/2012, 14:44
An action research on the use of continuous feedback to improve the first year students' pronunciation at the english department, college of foreign languages, vietnam national university, hanoi part 1
... looked at its pronunciation and meaning, then pronounced it aloud Part 3: Attitude and problems with English pronunciation How important is pronunciation you think? a Not important b Important 10 ... c More than 45 minutes per week d There was no pronunciation lesson but the teacher taught the pronunciation of new words and corrected students’ pronunciation mistakes d...
Ngày tải lên: 07/11/2012, 14:58
An action research on the use of continuous feedback to improve the first year students' pronunciation at the english department, college of foreign languages, vietnam national university, hanoi part 2
... propose An Action Research on the Use of Continuous Feedback to Improve the First Year Students’ English Pronunciation at the English Department, College of Foreign Languages, Vietnam National University, ... College of Foreign Languages, Vietnam National University, Hanoi However, due to the limitation of time, the...
Ngày tải lên: 07/11/2012, 14:58
A STUDY ON THE RELIABILITY OF THE FINAL ACHIEVEMENT COMPUTER-BASED MCQS TEST 1 FOR THE 4TH SEMESTER NON - ENGLISH MAJORS AT HANOI UNIVERSITY OF BUSINESS AND TECHNOLOGY
... 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 4...
Ngày tải lên: 10/04/2013, 14:46
Globalization and its effects on the development of educational service in Vietnam
... education in Vietnam is an issue of rising importance Accordingly, I have conducted research on “ Globalization and its effects on the development of educational service in Vietnam Object and Field ... education service in Vietnam 2.1.4.1 The thought of education has changed 2.4.1.2 The impact of adhering to WTO on education service in Vie...
Ngày tải lên: 23/04/2013, 11:16
RESEARCH ON THE CHANGE OF 2-AP AND OTHER VOLATILE COMPOUNDS IN PROCESSING BUN FROM RICE
... Research on the Change of 2-AP and Other Volatile Compounds in Processing Bun from Rice coupling with GC and GCMS SPME/GC enables for estimation of 2-AP low concentration like aromatic rice The ... from Rice 3.4 Investigating the changes of 2-AP and other volatile compounds of rice in Bun processing Table The volatile co...
Ngày tải lên: 28/08/2013, 16:28
LAKE EUTROPHICATION MODEL BASED ON THE IMPACT OF THE ZOOPLANKTON COMMUNITY ON PHYTOPLANKTON SUCCESSION
... effect is defined by the food preference of the zooplankton For successful modeling of the lake ecosystem, the impact of zooplankton on phytoplankton succession should be clarified The semi-large scale ... observe the impact of zooplankton community on phytoplankton succession was more obvious in the winter experiment than in the Chlorophyll-...
Ngày tải lên: 05/09/2013, 08:40
Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
... determine the effects of initial H2O2 concentration, initial pH of the solution and initial PCB concentration on the degradation of PCBs in water matrix - 10 - Journal of Water and Environment ... adjusting the pH of the aqueous PCB solutions Effect of Initial PCB Concentration The results of the degradation of PCBs at different initial concentrat...
Ngày tải lên: 05/09/2013, 09:08