mathematical model of two phase permanent magnet stepper micromotors

... physical basis of analogies in system models The chapters, listed in order of appearance, are: 10 11 12 13 14 Modeling Electromechanical Systems Structures and Materials Modeling of Mechanical ... Definition of Mechatronic Systems Functions of Mechatronic Systems Division of Functions Between Mechanics and Electronics • Improvement of Operating Properties • Addition of New Functions 2.3 Ways of ... dynamic behavior of the process In contrast to manual tuning by trial and error, the use of mathematical models allows precise and fast automatic adaptation The mathematical models can be obtained...

Ngày tải lên: 22/05/2014, 22:51

... Definition of Mechatronic Systems Functions of Mechatronic Systems Division of Functions Between Mechanics and Electronics • Improvement of Operating Properties • Addition of New Functions 2.3 Ways of ... dynamic behavior of the process In contrast to manual tuning by trial and error, the use of mathematical models allows precise and fast automatic adaptation The mathematical models can be obtained ... design of control systems Also, during the 1980s, the utilization of digital computers as integral components of control systems became routine There are literally hundreds of thousands of digital...

Ngày tải lên: 27/06/2014, 17:20

... different techniques, of which MS and NMR are two of the most powerful Previously, we demonstrated the distinction of chain type and blood-group type (such as Lea/x and Leb/y) of underivatized oligosaccharides ... this report, we demonstrate our strategy of the combined use of ES-MS and NMR for analysis of the core-branching pattern and full sequence assignment of four oligosaccharides isolated from human ... voltage of 80 V was used for CID MS/MS of singly charged ions [M-H]– and 50 V for Ó FEBS 2004 1176 H Kogelberg et al (Eur J Biochem 271) Fig Product-ion spectrum of D2b-5 ion m/z 1183 of DFiLNO...

Ngày tải lên: 19/02/2014, 12:20

... concentrations of on the NMR spectrum of WNV NS2B–NS3pro (K96A) Fig S3 15N-HSQC spectra of combinatorially 15Nlabelled samples of WNV NS2B–NS3pro in the presence of Fig S4 800 MHz 1D 1H NMR spectra of the ... site A NOESY spectrum of and in the presence of a small quantity of protease revealed an intermolecular cross-peak between the methyl group of and the phthalazine ring of 2, as expected for an ... ring proton of were also observed with the methyl group was, in most cases, probably a consequence of spin-diffusion Relaxation during the half-filter delays and the twofold symmetry of further...

Ngày tải lên: 07/03/2014, 02:20

... weight of softwoods, 1530% of hardwoods and up to 30% of annual graminaceous plants [7,8] Endo-1,4-b-xylanases (EC 3.2.1.8) are O-glycoside hydrolases that catalyze a random hydrolysis of internal ... highly inuenced by the number of xylopyranosyl units, with a minimum requirement of three Protein crystallography The nal model of CTX contained 191 residues (on the basis of the ESI FT-ICR data, CTX ... in the crystal structures of CTX or CTXS-Xyl5-Me complex) in both of the two molecules (A and B) of the asymmetric unit, 450 water molecules, three sulfate ions and two inhibitor molecules (S-Xyl5-Me)...

Ngày tải lên: 07/03/2014, 17:20

... diabetes The symptoms of type diabetes tend to come on quickly and severely, unlike those of type diabetes, which often remain unnoticeable over a period of several years Symptoms of type diabetes ... increased risk of having a heart attack or a stroke From a diagnosis of prediabetes to the onset of type diabetes takes an average of eight years Doctors diagnose prediabetes by the presence of impaired ... however, the number of children and young adults diagnosed with type diabetes in the United States has climbed dramatically because of the growing epidemic of obesity that often begins in childhood...

Ngày tải lên: 15/03/2014, 12:20

... HGF and tPA by two independent methods, thereby adding two kringle-containing proteins to the list of TN-ligands The afnity of the recombinant TN to Plg (comparable to the one of the natural ... binding assays Purication of the recombinant tetranectin The recombinant TN was expressed as a mixture of two forms (myc-His6-TN and TN) due to occasional N-terminal cleavage of the protein at the ... the mean of quadruplicate determinations In the case of uPA and prothrombin, no Kd could be determined Table Summary of TN anity assays The column ễBound TNế corresponds to the amount of TN detected...

Ngày tải lên: 17/03/2014, 03:20

... the start of each new word (making the buffer never larger than the length of the current word) In the paper by (Van den Bosch and Bogers, 2008), two extensions to the basic prefix -model are compared ... different types of Dutch text: Wikipedia, Twitter data, transcriptions of conversational speech, and web pages of Frequently Asked Questions (FAQ) The Wikipedia corpus that we use is part of the Lassy ... type experiments in terms of percentages of saved keystrokes Prefix means: ‘use the previous characters of the current word as features’ Buffer 15 means ‘use a buffer of the previous 15 characters...

Ngày tải lên: 17/03/2014, 22:20

... number of adenylation domains, an iterative mechanism of biosynthesis was proposed [27] Online modifications of the natural amino acids include epimerization of l-Cys1 to d-Cys1 and N-methylation of ... formation of an alternative two residue macrothiolactone due to the detection of intense fragments containing dehydro-alanine, which are characteristic for gas -phase fragmentation of lactones ... turnover of the linear pentapeptidyl-thiophenol of GrsB T-TE (kcat = 2.4 min)1) The substrate turnover of TL8 is given by a kcat of 8.92 ± 1.2 min)1 The higher kcatvalue for TL8 is result of an...

Ngày tải lên: 23/03/2014, 06:20

... 60 mL of buffer B luminol), and solution B (10 mL of dimethylsulfoxide containing 11 mg of p-hydroxycoumaric acid)] Blot membranes were incubated in a mixture of mL of solution A, 400 lL of solution ... the isolation of membrane vesicles, 20–25 g of cells (wet mass) was suspended in 200 mL of 50 mm Tris ⁄ HCI, 10 mm MgCI2, and 420 mm sucrose (pH 7.5) (buffer A) After addition of g of lysozyme ... analysis of the stucture and function of the rotor of the Na+ F1F0-ATP synthase from A woodii, the first containing V0- and F0-like c subunits Experimental procedures Growth of cells and isolation of...

Ngày tải lên: 23/03/2014, 09:20

... signaling molecules that regulate the expression of this promoter We found that cotransfection of the Cdx-2 cDNA led to upregulation of the expression of the Cdx-2 gene promoter in cell lines that ... were generated in each set of assay This is understandable because of the heterogeneity of the FRIC cultures When, however, HT-29 was examined, the S.D values in each set of experiments were also ... defective in PKA activity and cotransfection of PKAc restores its PKA activity Finally we tested the effect of H-89, a known inhibitor of PKA, on the expression of both the proglucagon gene promoter...

Ngày tải lên: 30/03/2014, 16:20

... Colburn Professor of Chemical Engineering at the University of Delaware Professor Russell is a member of the National Academy of Engineering and a Fellow of the American Institute of Chemical ... analysis of reacting systems for reactor design to develop the more complex analysis of mass and heat transfer systems Analysis is the process of developing a mathematical description (model) of a ... overemphasis of mathematical manipulation and solution of ordinary and partial differential equations at the expense of engineering analysis, which should stress the development of the model equations...

Ngày tải lên: 02/04/2014, 15:52

... demographic profile of the sample is not representative of either the entire state of Mississippi or the general U.S population We hypothesize that a sample with a higher percentage of minority ... index or profile An index is characterized by a single score representing health status On the other hand, a health status profile provides a multidimensional evaluation of all aspects of health ... all aspects of health Health profiles are popular in situations where the interaction of the physical, social, mental and emotional determinants of health are of interest Health indices are useful...

Ngày tải lên: 18/06/2014, 19:20

... between the two sides of the interface It is worthy to note that from the SIMS depth profile images, it appeared that diffusion of the Ge atom is of random nature and is independent of Zn concentration ... Ge diffusion for GaAs/Ge epitaxy Figure ToF-SIMS depth profile of elements Ti, Al, AlO, TiO, O, Ga, and As These are the depth profile of the elements of the ALD TiO2/Al2O3 dielectric stack on ... It is apparent from the ToF-SIMS elemental depth profiles (Figure 3) where a significant amount of interdiffusion of TiO, AlO, O, Ga, and As was noticed As a result of such interdiffusion, a...

Ngày tải lên: 20/06/2014, 20:20

... died at the scene of trauma, which may have limited the development of any type of histologic kidney lesion On the other hand, a subset of six other controls consisted of out -of- hospital cardiac ... diuretics [72] On top of this, new composite indices of timing have been proposed (e.g., severity of organ dysfunction (SOFA score), severity of AKI (RIFLE Honore et al Annals of Intensive Care 2011, ... complex issue of “timing of CRRT” during AKI in ICU patients The right time to start RRT is still a topic of debate The main reasons are the absence of a clear and consensual definition of AKI to...

Ngày tải lên: 21/06/2014, 01:20

... subset of the A α, β, γ; E -weight Using the similar method to the proof of Theorem 1.5.5 in , we can prove the following version of the Hardy-Littlewood inequality Considering the length of the ... of f, γ pt/αqs c|t w2 dx s B n/ n − l , where A λ/α w1 dx 1/s 2.16 q/pt , 1/n q/p and d∗ c For more examples of conjugate harmonic tensors, see We will have different versions of the global two- weight ... This ends the proof of Theorem 3.1 3.10 Journal of Inequalities and Applications 11 Ar 1, M becomes the usual Ar M weight See Note that if λ 1, then Ar λ, M 14 for the properties of Ar M weights...

Ngày tải lên: 21/06/2014, 18:20

... concepts of P-type and Mtype functions and give several quantities for homogeneous P-type and M-type functions Furthermore, we give the concepts of P-property and M-property for a couple of functions, ... positive 4 Journal of Inequalities and Applications Remarks 2.3 The definitions of α(T), β(T) associated with a P-type positively homogeneous function T generalize the definitions of α(M), β(M) associated ... (T),β (S)} (2.21) Proof The facts directly follow from the definitions of α, β, α , β , and simple arguments Remarks 2.8 Theorems 2.5–2.7 generalize partly Theorems 2.1 and 2.5 of Xiu and Zhang [6]...

Ngày tải lên: 22/06/2014, 18:20

... (3.14) i =n −h In the proof of Theorem 2.3, first (2.1) is reduced to a first-order delay dynamic equation in the form of (2.2) and then, by similar steps of the proof of well-known oscillation ... are positive constants A part of this study contains two main theorems proven by the technique of reduction of order Previously obtained result about oscillation of first-order delay dynamic equation ... great deal of work on the oscillatory behavior of solutions of some second-order dynamic equations To the best of our knowledge, there is very little known about the oscillatory behavior of (NE)...

Ngày tải lên: 22/06/2014, 22:20

... trusted Sleek hospitals make use of all kinds of superior technology combined with century’s old traditions of providing health care Sleek Hospital has various categories of rooms which include General ... go in for increasing the number of beds they have The management of Sleek Hospital gives an order to their dealer to provide 100 more beds As software developer of Quality Computer Solutions, ... parameter to accept Ø Number of beds totally purchased Ø Name of the dealer Ø Number of beds that the department will be having after new beds are bought Ensure that the number of beds purchased will...

Ngày tải lên: 02/08/2014, 10:20

... physiological function of the placenta for gestational maintenance and fetal growth Acknowledgments This work was supported by the Brain Korea 21 Project, the Ministry of Education of Republic of Korea, and ... immunohistochemistry techniques They showed the expression of PACAP at term placenta, but they did not offer any information as to the distribution of PACAP and PAC1 receptor in human placenta at various ... hybridization to determine the existence of PACAP and PAC1 receptor mRNAs in human placenta Our data showed the expression of PACAP and PAC1 receptor mRNAs in stroma cells of stem villi and terminal villi...

Ngày tải lên: 07/08/2014, 18:21