... tuned-mass damper (TMD) is a widely used passive vibration control device When a mass-spring system, referred to as primary system, is subjected to a harmonic excitation at a constant frequency, its ... constant frequency, its steady-state response can be suppressed by attaching a secondary mass-spring system or DVA Design of DVA is a classical topic [8-12] The first analysis was reported by Den Hartog ... procedure for optimal design of the DVA installed in damped primary system based on Taguchi? ?s method is presented and discussed The remaining contents of this paper are organized as follows Section
Ngày tải lên: 03/03/2020, 21:07
... differences concerning the core constructs The operationalization of the constructs described above (relational behaviors and dimensions of relationship quality) was based on existing scales documented ... relational behavior It specifies the dimensions a customer considers when evaluating a supplier? ?s behavior The assumption in this research is that the customer? ?s perception of the supplier? ?s relational ... Relational Behavior? An Empirical Test Based on Macneil? ?s Exchange Framework Many transactions in the business-to-business-field are governed on a relational basis In such long-term business relationships,
Ngày tải lên: 18/10/2022, 20:22
Đề tài " On Mott’s formula for the acconductivity in the Anderson model " potx
... the passage from spectral projections to smooth functions is controlled by Wegner? ?s estimate for the density of states [W]. The finite volume expression is then controlled by Minami? ?s estimate ... T Spencer, Absence of diffusion in the Anderson tight binding model for large... holds in the opposite direction for weak solutions (See the discussion in [BoGKS, Subsection ... Mott, Conduction in non-crystalline systems I Localized electronic states in disordered systems, Phil Mag 17 (1968), 1259–1268 [Mo2] ——— , Conduction in non-crystalline systems IV Anderson.
Ngày tải lên: 15/03/2014, 09:20
Báo cáo khoa học: Piezoelectric sensors based on molecular imprinted polymers for detection of low molecular mass analytes potx
... sen- sors. However, higher sensitivity also means higher response to viscosity changes and this problem causes difficulties when surface acoustic wave sensors are used in liquids [15]. By monitoring ... is not strictly accurate for all applications. The device is also known as thickness-shear mode resonator or a bulk acoustic wave sensor, because the bulk of the crystal oscillates at a resonance ... are based on quartz crystal resonators, which are found in electronic devices such as watches, com- puters and televisions, with over one billion units mass-produced each year. Quartz crystal is
Ngày tải lên: 23/03/2014, 07:20
schaum s easy outline of principles of economics based on schaum s outline of theory and problems of principl phần 9 pps
... competitors, as far as society is concerned True or False Questions... advertising informs the consumer and product differentiation satisfies the consumers’ desire for variety, both may be excessive ... surplus is CGK. b. TR is OFHA (for OA units) plus AJKB (for AB units). Note that price discrimination has increased TR by CFHJ (and this is the amount by which the consumers’ surplus declined). Consumers’ ... competitive firms? Why? b. Does monopoly lead to more technological progress than perfect competition? Why? Solution: a. In industries operating under cost conditions (such as constant re- turns to scale)
Ngày tải lên: 09/08/2014, 19:22
schaum s easy outline of principles of economics based on schaum s outline of theory and problems of principl phần 10 pot
... functions of profits? b What are some objections to profits? Solution: a Profits serve as incentives for innovators to shift resources to the production of those commodities that society wants most, ... the imposition of high initiation fees and long apprenticeships and requirements that employers hire only union members This is done primarily by craft unions (i.e., unions of such skilled ... costs), 107 109 152 PRINCIPLES OF ECONOMICS Savings, 65 Scarcity, 3–5 market system, 7–8 Services, 4 Short run, 105 Short-run average costs (SAC), 107 109 Short-run costs, 105 107 Short-run
Ngày tải lên: 09/08/2014, 19:22
Báo cáo sinh học: "Prediction error variance and expected response to selection, when selection is based on the best predictor for Gaussian and threshold characters, traits following a Poisson mixed model and survival traits" potx
... Discussion and conclusion Again heritability (or a generalised version of heritability) is seen to play a central role in the formulas for the expected response to selection For Gaussian traits, ... given for non Gaussian traits are generalisations of the well-known formulas for Gaussian traits - and reflect, for Poisson mixed models and frailty models for survival data, the hierarchal structure ... models are considered and each chapter ends with its own discussion and conclusion The paper ends with a general conclusion THE MODELS Notation Usually capital letters (e.g Ui and U) are used as
Ngày tải lên: 14/08/2014, 13:21
Polymeric membranes based on CO2 philic materials for hydrogen purification and flue gas treatment
... high surface porosity and big pore size, the one with smaller pore size is preferred because solution intrusion tends to happen when the pore size is big. The solution intrusion leads to increase ... Based on the observation from the above mentioned points, PMDA-ODA-PEO2 with 60% of PEO content has the best gas VIII gas separation systems. The mixed gas CO2/H2 performance is very close ... RT, Koros WJ, Sanders ES, Yui R. “Second component” effects in sorption and permeation of gases in glassy polymers. J Membr Sci 1983; 15: 157-169. 199 [44] Hert DG, Anderson JL, Aki SNVK, Brennecke
Ngày tải lên: 09/09/2015, 17:55
An indoor positioning system based on robust location fingerprint for wi fi and bluetooth
... INDOOR POSITIONING SYSTEM BASED ON ROBUST LOCATION FINGERPRINT FOR WI-FI AND BLUETOOTH A.K.M. MAHTAB HOSSAIN NATIONAL UNIVERSITY OF SINGAPORE 2009 AN INDOOR POSITIONING SYSTEM BASED ON ROBUST LOCATION ... training phase, cost-effectiveness (using off-the-shelf hardware), and robustness in the face of previously unobserved conditions. This dissertation aims to achieve an indoor positioning system that ... XPS client collects raw location data from the Wi- Fi APs, cellular towers and GPS satellites that continuously broadcast signals This information is then sent to the XPS server which subsequently
Ngày tải lên: 14/09/2015, 08:25
Parallel interference cancellation schemes based on adaptive MMSE detection for DS CDMA systems
... CANCELLATION SCHEMES BASED ON ADAPTIVE MMSE DETECTION FOR DS-CDMA SYSTEMS DU LIN NATIONAL UNIVERSITY OF SINGAPORE 2003 PARALLEL INTERFERENCE CANCELLATION SCHEMES BASED ON ADAPTIVE MMSE DETECTION FOR DS-CDMA ... conditions 71 Chapter Conclusions and Future Work CHAPTER CONCLUSIONS AND FUTURE WORK In this final chapter, we present conclusions based on the whole thesis and make recommendations for future research ... Motivation for the Present Work 1.4 Outline of the thesis CHAPTER DS-CDMA SYSTEMS 2.1 System Model for DS-CDMA 2.2 Spreading Codes 12 2.3 Conventional Detector for DS-CDMA Systems 13 2.4 Concluding
Ngày tải lên: 28/11/2015, 13:26
Label free electrochemical immunosensor based on cerium oxide nanowires for vibrio cholerae o1 detection
... portion that corresponds to the electron transfer process and a linear portion that corresponds SC to the diffusion process The semicircle diameter is the electron transfer resistance This resistance ... immunosensor exposed to the control sample SC the sensor surface By contrast, no significant signal change was observed for the NU Based on these results, an equivalent circuit of the system based ... Thus, many researchers have studied semiconductor metal oxide -based immunosensors However, published ED information is lacking on immunosensors that use CeO2 nanowires for label-free detection
Ngày tải lên: 01/09/2017, 12:49
DSpace at VNU: A novel semi-supervised fuzzy clustering method based on interactive fuzzy satisficing for dental x-ray image segmentation
... that, based on the solutions of the subproblems, build fuzzy satisficing functions for each subproblem Lastly, fomulate these isolated functions into a combination fuzzy satisficing function and solve ... identification systems [31] for examining surgery corpses from complicated criminal cases Because of the special structure and composition, tooth cannot be easily destroyed even in severe conditions such ... consecutive iterations of the SSFC-FS algorithm is expressed • in (86) of Theorem This helps us control the variation of results between iterations, which is a basis to predict the termination
Ngày tải lên: 15/12/2017, 15:07
SYNTHESIZE AND INVESTIGATE THE CATALYTIC ACTIVITY OF THREE-WAY CATALYSTS BASED ON MIXED METAL OXIDES FOR THE TREATMENT OF EXHAUST GASES FROM INTERNAL COMBUSTION ENGINE
... combustion engine 1.3.1 Catalytic systems based on noble metals (NMs) NM catalysts have received considerable attention for more than 20 years for used in automotive emission control systems, essentially ... (TWC) systems 1.3 Catalyts for the exhaust gas treatment 1.3.1 Catalytic systems based on noble metals (NMs) 1.3.2 Catalytic systems based on perovskite 1.3.3 Catalytic systems based on metallic ... catalyzed reactions, hence the expression: A catalyst breaks bonds, and lets other bonds form The beneficial action of the catalyst is in the dissociation of a strong bond, the subsequent steps might...
Ngày tải lên: 12/05/2014, 17:14
báo cáo hóa học: " A new definition of burnout syndrome based on Farber''''s proposal" pptx
... observations of teachers, although he states that it is applicable to service professions in general He also based his findings on the results of in-depth interviews with sixty psychotherapists (psychiatrists, ... communication processes Based on measuring techniques, at times quantitative (statistical techniques based on unit counts), at times qualitative (logical techniques based on a combination of categories), ... ones (reasonable progress has been made in this case) Subjects of this type focus on negative aspects and feel frustrated with their working conditions, owing both to lack of resources (personal...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: " Research Article QoS-Guaranteed Power Control Mechanism Based on the Frame Utilization for Femtocells Pavel Mach and Zdenek Becvar" pot
... eACS-MB surpass ACS-MS only slightly, while SOS offers better result for FAPs position up to m from the house boundaries Figure 10 also demonstrates that the PS scheme outperforms all conventional schemes ... in the last subsection The system model and simulation results are presented in the two following sections The last section gives our conclusions Related Works The power control mechanism may be ... by ΔP is sufficient Before increase of the FAPs transmitting power is accomplished, two conditions must be satisfied The first condition is the same in the previous case; that is, there exists χ m...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: "Research Article Joint Signal Detection and Classification Based on First-Order Cyclostationarity For Cognitive Radios" pot
... simulations were run to investigate the values of the noise floor for diverse observation intervals, SNRs, sampling frequencies, and signal parameters Based on these results, cutoff values were set such ... receive-side These CFs are tested with the aforementioned cyclostationarity test and the same decision criterion is applied As such, the joint detection and classification of FSK and AM signals is formulated ... expressed as S for the FSK signals, and as S/ (1 + μ2 E[m2 (t)]) for the AM signals, where E[·] A is the statistical expectation In addition, the modulation constraint |μA m(t)| ≤ for AM signals...
Ngày tải lên: 21/06/2014, 19:20
Báo cáo hóa học: "Research Article Stability and Convergence Results Based on Fixed Point Theory for a Generalized Viscosity Iterative Scheme" pot
... representation S : {T s : s ∈ S} of a left reversible semigroup S as Lipschitzian mappings on C with Lipschitz constants {k s : s ∈ S} is said to be a contractive resp., asymptotically contractive ... < Assumption , f is a contraction on C Assumption , and Q is a self-mapping on W satisfying Assumption Since αk → 0, δk → and εk → as k → ∞ from Assumptions 1 and and K1 is finite, ρk → as k ... Definition 3.3 A representation S : {T s : s ∈ S} of a left reversible semigroup S as Lipschitzian mappings on C, a nonempty weakly compact convex subset of X, with Lipschitz constants {k s : s ∈ S} ...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: "Research Article Total Stability Properties Based on Fixed Point Theory for a Class of Hybrid Dynamic Systems" pdf
... possess internal delays 8–10 An important class of hybrid systems of wide presence in technological applications like telecommunication, teleoperation, or control of continuous systems by discrete ... result gives sufficient conditions for stability of the extended discrete system 2.10 within a closed ball of the extended state x · Proposition 3.3 Assume that Proposition 3.2 holds under Assumption ... x for some real constant h > The conditions for the existence of fixed points in such mappings are investigated Strong convergence of the well-known Halpern s iteration and variants is investigated...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Stereo Image Coder Based on the MRF Model for Disparity Compensation" pptx
... is performed on the uncertain region, which consists of blocks that have to enrol in the occlusion or nonocclusion regions This approach permits faster execution times, as the MAP search is conducted ... occluded and second term encourages occlusion connectivity 3.2 The smoothness constraint The prior disparity field, when occlusion field is given, is also called smoothness constraint Minimization of ... effectiveness of the disparity compensation process EURASIP Journal on Applied Signal Processing This paper is organized as follows In Section 2, there are overviews of the disparity compensation process,...
Ngày tải lên: 22/06/2014, 23:20
differential equations elektronisk ressurs based on schaum's outline of theory and problems of differential equations second edition by richard bronson
... io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf ... r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf ... r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf r p io g z Ps z z le Pf...
Ngày tải lên: 06/07/2014, 15:18