polar moment of inertia
Moment of inertia and torque performance sensorless measurement for HDD used spindle motors
Ngày tải lên :
26/11/2015, 12:54
... following parts 2.2 Moment of Inertia Measurement Moment of inertia (MOI) is a basic physics quantity In Webster dictionary, the term inertia is defined as “That property of matter by which it ... for Inertia Measurement Concerning the inertia measurement of a motor, i.e the rotor inertia, there are several techniques employed for it The conventional methods of parameter identification of ... rotor’s inertia of the motor as are given in [13] Calculation Method First of all, the commonest way for inertia measurement, one can easily think of, is to get the value from the inertia...
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Tài liệu LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-SHORT STORY BY O’HENRY -The Moment Of Victory doc
Ngày tải lên :
15/12/2013, 12:15
... one of his refined smiles and turning away "'Come back here!' says I, catching him by the tail of his khaki coat 'You've made me kind of mad, in spite of the aloofness in which I have heretofore ... Jack of Diamonds and Queen Catherine of Russia "I remember, one time, a little caballard of Spanish men sauntered out from behind a patch of sugar-cane and shot Bob Turner, the first sergeant of ... planted in various parts of his autonomy Once he went off with a detail of eight men and captured a whole company of Spanish He kept Captain Floyd busy writing out recommendations of his bravery to...
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Báo cáo hóa học: " Research Article Inequalities for the Polar Derivative of a Polynomial" pot
Ngày tải lên :
22/06/2014, 02:20
... desired result This completes the proof of inequality 1.12 The proof of the Theorem in the case n follows along the same lines as the proof of 1.12 but instead of inequalities 2.3 and 2.5 , we use ... k2μ t dt m 3.9 This completes the proof of the theorem References P D Lax, “Proof of a conjecture of P Erdos on the derivative of a polynomial,” Bulletin of the American ¨ Mathematical Society, ... Chanam and Dewan 10 Proof of the Theorems Proof of Theorem 1.1 By hypothesis that the polynomial p z has all its zeros in |z| ≤ k, where k ≥ 1, therefore all the zeros of the polynomial G z p...
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A Moment of ClarityBy Cliff Lengkono ppt
Ngày tải lên :
27/06/2014, 23:20
... people more, it increases your odds of getting the hang of it Learn the perfect moment to speak and to listen, the importance of paying attention, the art of interrupting someone politely, and ... Doe & Jane Doe Of Types, Criteria and Standards Type is the first level of three layers of things that influence someone’s decision to go out with somebody else There are many types of people, each ... possibly know the outcome of dating someone relatively different Moreover, often people can be as blind as a bat and ignore the presence of bad qualities and the absence of important ones because...
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Báo cáo nghiên cứu khoa học: " AN APPROACH TO THE EQUIVALENCE PRINCIPLE AND THE NATURE OF INERTIAL FORCES" pptx
Ngày tải lên :
22/07/2014, 10:21
... matter of universe by means of the background font ϕg0 This satisfies Mach ‘s viewpoint and it also points out way that all matters of universe cause inertial forces Finally, in this model inertial ... Acknowledgements: We extend our thanks to the professors in laboratory of theoretical physics of University of Natural Sciences, VNU-HCM, especially to the professor NGUYEN NGOC GIAO for helpful remarks ... tidal forces so that the principle of equivalence holds only for small regions of space We also find that when the system of frame moves with velocity approaching c, inertial forces will be infinite...
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Experimental determination of the nuclear magnetic octupole moment of 137ba
Ngày tải lên :
09/09/2015, 11:20
... iontrap, none of this would have been possible Ion crystal taken from test iontrap, mainly consisting of v 138 Ba+ vi Contents Summary x List of Publications xiii List of Tables xv List of Figures ... extraction of the hyperfine constants, one of which, (C), can be related to the nuclear magnetic octupole moment Hence, the observation of the hyperfine (C) constant constitutes observation of the ... magnetic multipole moments of the fields to exist The nuclear structure can be expanded in terms of these higher order moments via the multipole expansion [13] These multipole moments couple to...
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Spatial moment analysis of colloid facilitated radionuclide transport in a coupled fracture-matrix system
Ngày tải lên :
05/09/2013, 17:03
... mass of the fluid in the high permeability fracture The first spatial moment (M1) describes the displacement of the centre of the mass and the second spatial moment (M2) describes the spread of ... Temporal distribution of velovity of Figure Temporal distribution of dispersion of radionuclides facilitated by movement of colloids radionuclides facilitated by movement of colloids in in a coupled ... (M2) describes the spread of the deviation from the centre of mass The expressions for evaluation of zeroth moment, first moment and second moment is given below L M n = ∫ x n c( x, t )dx (38) X...
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Protecting the polar marine environment - interplay of regulatory frameworks
Ngày tải lên :
01/11/2013, 09:20
... the themes of this book – concerns the type and scale of sources of marine pollution situated within the polar regions Of prime importance in this respect, the presence and intensity of land-based ... mind that the sources of pollution affecting the polar oceans not originate solely within the respective polar regions Extraregional sources of pollution, often remote from the polar areas themselves, ... degradation of the polar environment Those two specific polar features make the marine living resources of the polar oceans, while otherwise not necessarily fragile, extremely vulnerable to impacts of...
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United Nations Convention on the Law of the Sea and the polar marine environment
Ngày tải lên :
01/11/2013, 09:20
... – even in respect of the environmental provisions – at the time of the adoption of the LOS Convention in 1982 or at the time of the adoption of the AEPS in 1991 Currently (as of June 1999), with ... legitimate uses of the sea, impairment of quality for use of sea water and reduction of amenities The general applicability of the LOS Convention is confirmed also by another characteristic of its contents: ... exclude any linkage of the problems discussed at UNCLOS III with the ‘status of Antarctica’ Thus, all law of the sea issues, that not impinge on the unresolved problem of the status of Antarctica (e.g.,...
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Tài liệu Báo cáo " STABILITY OF THE ELASTOPLASTIC THIN ROUND CYLINDRICAL SHELLS SUBJECTED TO TORSIONAL MOMENT AT TWO EXTREMITIES " pptx
Ngày tải lên :
13/02/2014, 04:20
... form of solution in [3], we find the real deflection δw in form πx n cos (y + γx), (3.1) δw = A1 cos L R where γ is the tangent of skew angle of summit of waves in comparison with the generatrix of ... stability of a plate under shear forces, taking into account its real bending form, Vietnam Journal of Mech, NCST of Vietnam, Vol 23, No 1(2001), pp 6-16 G.Gerard, Plastic stability theory of thin ... theory of elasto-plastic processes when the thickness of cylindrical shell is greater Because these don’t exactly describe mechanical characteristics, investigating must be based on the theory of...
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Tài liệu FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS REPORT OF A WORKSHOP docx
Ngày tải lên :
17/02/2014, 19:20
... president of the National Academy of Sciences The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... and Polar Ecosystems: Summary of a Workshop Frontier Questions in Climate Change and Polar Ecosystems T he goal of the Polar Research Board’s workshop was to bring together a diverse group of ... Change and Polar Ecosystems Polar Research Board Division of Earth and Life Studies Copyright © National Academy of Sciences All rights reserved Frontiers in Understanding Climate Change and Polar...
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Báo cáo khoa học: Modeling hydration mechanisms of enzymes in nonpolar and polar organic solvents potx
Ngày tải lên :
16/03/2014, 10:20
... effects of nonpolar and polar organic solvents on the dynamics of the water at the enzyme surface Water molecules in nonpolar solvents are retained for longer periods of time at the surface of the ... precise picture of water at the surface of the protein, we looked at the number of water molecules within a specific layer of 0.25 nm from the surface of the protein (Fig 3), and the ratio of Fig Average ... important for a molecular interpretation of the effects of the different quantities of enzyme-bound water in nonpolar and polar organic solvents if the number of water molecules bound to the enzyme...
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Báo cáo khoa học: Structural determination of the polar glycoglycerolipids from thermophilic bacteria Meiothermus taiwanensis pdf
Ngày tải lên :
23/03/2014, 13:20
... de-O-acetylation of the glycolipid (see above) The ES-MS spectrum of N-acetyl N-Amide and sugar sequence MALDI-TOF mass spectroscopic analysis of the glycolipids showed a cluster of peaks at m/z ... Characterization of glycolipids from Meiothermus spp Microbiology 145, 1191–1199 12 Donato, M.M., Seleiro, E.A & da Costa, M.S (1990) Polar lipid and fatty acid composition of strains of the genus ... of native and de-O-acetylated glycolipids (A) MALDI-TOF MS (+ev) of native glycolipids from Meiothermus taiwanensis ATCC BAA-400 A cluster of peaks was observed due to the fatty acid heterogeneity...
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Polar Lakes and Rivers Limnology of Arctic and Antarctic Polar Lakes and Rivers Limnology of Arctic and Antarctic Aquatic Ecosystems docx
Ngày tải lên :
29/03/2014, 17:20
... vast number of lakes in the polar and temperate regions of the world The irregularity of residual landscapes caused by glacial processes has resulted in a diverse range of lakes, many of which still ... waters Additionally, the presence of ice cover inhibits wind-induced mixing of polar waters throughout most of the year This severely limits the vertical transport of nutrients from bottom waters ... Origin and geomorphology of lakes in the polar regions Reinhard Pienitz, Peter T Doran, and Scott F Lamoureux Outline A characteristic and often dominant feature of many polar landscapes is the...
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Báo cáo hóa học: " Detection of anticipatory postural adjustments prior to gait initiation using inertial wearable sensors" pptx
Ngày tải lên :
19/06/2014, 08:20
... duration of the APAs was determined as the time between the onset of the signal of interest and the onset of the footswitch sensor (end of the APA) The Figure exemplifies this method of detection ... chosen due to the proximity to the center of mass (CoM) of the human body A second inertial sensor unit was attached to the lateral side of the ankle of the dominant leg A footswitch was connected ... mass Furthermore, the absence of wires enables us to obtain measurements with minimal disruption of the natural movement of the subjects Page of 10 Figure Placement of sensors ML stands for mediolateral,...
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Báo cáo hóa học: " On the maximum modulus of a polynomial and its polar derivative" potx
Ngày tải lên :
20/06/2014, 22:20
... kn Proof of the theorem Proof of Theorem 1.1 Let m = min|z|=k |p(z)| If p(z) has a zero on |z| = k, then m = and the result follows from Lemma 2.8 Henceforth, we suppose that all the zeros of p(z) ... zeros of an nth degree polynomial p(z) lie in a circular region C and w is any zero of Dap(z), then at most one of the points w and a may lie outside C Lemma 2.2 If p(z) is a polynomial of degree ... Journal of Inequalities and Applications 2011, 2011:111 http://www.journalofinequalitiesandapplications.com/content/2011/1/111 k Page of |an−1 | ≤ degree{q(z)} ≤ n, |an | which completes the proof...
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Báo cáo hóa học: " Microstructure of non-polar GaN on LiGaO2 grown by plasma-assisted MBE" pdf
Ngày tải lên :
21/06/2014, 03:20
... field image of the sample cut parallel to the C -plane, a high density of threading dislocations is apparent The bright areas in the substrate located directly at the Page of interface of the substrate ... the M -plane GaN film allows for an estimate of the density of threading dislocations and stacking faults A centered dark field image of one region of the plan view sample is seen in Figure The ... high density of threading dislocations Comparing in-zone bright field images (not shown here) of the M - and A-plane films, the dislocation density of the two films is on the same order of magnitude,...
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Báo cáo hóa học: " Synthesis and Characterization of Monodispersed Copper Colloids in Polar Solvents" pdf
Ngày tải lên :
22/06/2014, 01:20
... mechanism of the effect of PVP on size and shape of nanomaterials has been discussed in some literatures [25–27] PVP has the structure of a polyvinyl skeleton with nitrogen and oxygen polar groups, ... copper colloid in water, the reaction time of h is essential; otherwise the products will be the mixture of face-centered cubic phase of copper and cubic phase of Cu2O Comparing to the reaction rate ... (No.RYQ307007) and the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning Fig Typical TEM images of Cu nanoparticles obtained in E.G medium...
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Báo cáo hóa học: "Research Article Approximation of Second-Order Moment Processes from Local Averages" potx
Ngày tải lên :
22/06/2014, 03:20
... the space of all continuous real functions on a, b M a, b denotes the space of all bounded real functions on a, b H A, a, b denotes Journal of Inequalities and Applications the space of all second ... where Ω is the maximal frequency of the signal f t Recently, several average sampling theorems have been established, for example, see 4–7 Since signals are often of random characters, random signals ... Inequalities and Applications the space of all second order moment processes on a, b HC A, a, b denotes the space of all second order moment processes in quadratic mean continuous on a, b Let...
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Báo cáo hóa học: " Advanced Integration of WiFi and Inertial Navigation Systems for Indoor Mobile Positioning" doc
Ngày tải lên :
22/06/2014, 23:20
... (2) where Nw − is the number of walls of different nature, ni is the number of walls having an attenuation of ωi dB Such a propagation model leads to a better estimate of the range separating the ... the position of the device A conversion of this tuple of received signal strengths into a position is required The Motley-Keenan propagation model is a convenient propagation model often used for ... devices A way to cut down this number of particles must be found Using a new representation of the building is one of the solutions The Voronoi diagram of the building has been used in [19, 20]...
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