nd the current i from each voltage source in the circuit shown in fig 4 30
control of current saturation and threshold voltage shift in indium oxide nanowire transistors with femtosecond laser annealing
Ngày tải lên :
06/05/2014, 08:53
... contactchannel interface, modifying the Schottky barrier height and the effective doping in the nearby semiconductor region Further investigation of the mechanism behind such annealing effects is interesting ... threshold voltage of an inverter with the same gain at the switching threshold voltage (VM), or trip voltage, which will maximize the noise margin of the inverter The inset of Figure 3c shows that the ... Moreover, high and early saturation of the transistors are also desirable to improve the noise margin by maintaining the gain in the transition region Femtosecond laser annealing introduced here...
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Current control techniques for three phase voltage source PWM converters a survey
Ngày tải lên :
03/01/2014, 19:45
... subtracting an interference signal derived from the mean inverter voltage (Fig 8) [ 54] Similar results are obtained in the case of “discontinuous switching” operation, where decoupling is more easily ... [30] The controller of Fig 4( d) works in synchronous rotating coordinates – and is synthesized on the basis of linear multivariable state feedback theory A is derived by utilizing feedback gain ... commands soidal PWM [Fig 4( a)] [5] In keeping with the principle of sinusoidal PWM, comparison with the triangular carrier signal for the inverter switches generates control signals Although this...
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Báo cáo khoa học: Effects of salt on the kinetics and thermodynamic stability of endonuclease I from Vibrio salmonicida and Vibrio cholerae potx
Ngày tải lên :
16/03/2014, 06:20
... variant The VsEndA K71N mutant shows poorer DNA binding and increased kcat compared with VsEndA, indicating that the positive charge is more important for DNA binding in VsEndA than in VcEndA ... bond (from 69 to 72) in VcEndA N69Q may increase the flexibility of the 69–72 loop, possibly explaining the decreased binding affinity and increased catalytic rate In addition, the shape of the ... 512 41 7 321 305 344 b 47 8 528 560 41 5 385 0. 94 0. 94 0.97 0. 74 0.77 0.79 The reciprocal mutations of the two residues participating in creating the substrate binding site affected both kinetic constants...
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the cambridge history of russia - i - from early russia to 1689
Ngày tải lên :
17/04/2014, 15:33
... of Ivan III; Vasilii III Ivanovich becomes grand prince Vasilii III annexes Pskov Vasilii III annexes Smolensk Vasilii III annexes Riazan’ Crimean Tatars attack Moscow xix Cambridge Histories ... 1603 16 04 1605 1606 1606–7 1607–10 1609 1610 Vasilii III divorces his first wife, Solomoniia Vasilii III marries Elena Glinskaia Death of Vasilii III; Ivan IV Vasil’evich becomes grand prince Death ... Vladimir Death of Iaroslav Vasilii Iaroslavich becomes prince of Vladimir Death of Vasilii; Dmitrii Aleksandrovich becomes prince of Vladimir Death of Dmitrii; Andrei Aleksandrovich becomes prince...
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routledge history of philosophy volume i from the beginning to plato
Ngày tải lên :
05/06/2014, 11:30
... coincide with the individual’s own good In the Republic he seeks to bridge that gap by nothing less than the integration of psychology with political theory; the individual personality is itself ... influence and of activity, and indicated their visible forms THE POLIS AND ITS CULTURE 15 Hesiod’s influence on poets is clearest not in the immediately succeeding period but in Hellenistic times The ... local competitors) as the individual himself In its festival life a city displayed itself and its divisions and citizens observed their own social as well as political place in it It is not by...
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A new modular voltage source inverter topology
Ngày tải lên :
15/10/2013, 16:23
... precise, the technical requirements of a certain application must be considered On the other hand, an analytical investigation can contribute to better basic understanding of the main points In the ... capacitors are periodically measured with a typical sampling-rate in the millisecond-range According to their voltage, the capacitors are sorted by software In case of positive current in the ... following, this investigation will be given – focused on the important points to With respect to the remaining points, a brief comment shall be given: Point is a clear disadvantage of the M2LC...
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Matlab simulink model three phase voltage source inverter
Ngày tải lên :
24/12/2013, 11:32
... This is then repeated in the next half of the switching period This is how symmetrical SVPWM is obtained ramp is generated using 'repeating sequence' from the The leg voltage in one switching ... Matlab/Simulink model for SVPWM The Simulink model is shown in Fig Each block is further elaborated in Fig The Matlab code used to generate the switching pattern iS also provided Each sub-blocks of Fig ... one switching period in sector I The sinusoidal reference space vector form a circular 4. 4 Filter Blocks The PWM voltage signal is filtered using first order trajectory inside the hexagon The largest...
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Tài liệu Báo cáo khoa học: Comparative studies of endonuclease I from cold-adapted Vibrio salmonicida and mesophilic Vibrio cholerae docx
Ngày tải lên :
19/02/2014, 05:20
... VcEndA Fig Sequence alignment showing the amino acids of VsEndA and VcEndA Numbers indicate cysteines involved in disulfide bridges; stars indicate Mg2+-co-ordinating residues, triangles indicate the ... pBAD ⁄ gIII plasmid, linearized and denatured plasmid and intact plasmid The pBAD ⁄ gIII plasmid was linearized using SalI and denatured by incubation at 98 °C in a PCR machine for min, and then ... ratio in VsEndA is found In addition, there is a slight decrease in D + E The difference in pI reflects this substitution of charged residues, by being one unit higher for VsEndA VsEndA also binds...
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Tài liệu Báo cáo Y học: Granule-bound starch synthase I A major enzyme involved in the biogenesis of B-crystallites in starch granules ppt
Ngày tải lên :
22/02/2014, 07:20
... recombinant strains obtained from a cross involving CS9 and IJ2 parental strains ability of GBSSI to extend amylopectin outer chains Again this coincides with a decrease in crystallinity This situation ... independent meiotic recombinants in a cross involving strain IJ2 (sta2-29::ARG7 sta3-1) and an interfertile ecotype of C reinhardtii known as C smithii (strain CS9) This latter is wild-type regarding starch ... strain N), a partial restoration of amylose biosynthesis within the cells Strains C, D, G and P show, respectively, 84% , 58%, 44 % and 81% of wild-type GBSSI activity as determined by in vitro incubation...
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Báo cáo khoa học: A single EF-hand isolated from STIM1 forms dimer in the absence and presence of Ca2+ ppt
Ngày tải lên :
07/03/2014, 00:20
... oligomerization, it is challenging to differentiate which region contributes to the oligomerization process To overcome the limitations of investigating the Ca2+-binding sites in native Ca2+-binding proteins, ... of the EF-hand motif significantly compromised the metal-binding capability of the engineered protein, indicating that the metal binding of CD2.STIM1.EF is through the EF-hand motif from STIM1 ... unveiled a surprising finding [ 24] Immediately next to the single canonical EF-hand, there is a ‘hidden’, atypical, non-Ca2+-binding EF-hand motif that stabilizes the intramolecular inter55 94 action...
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Báo cáo khoa học: Oxidative stress induces a reversible flux of cysteine from tissues to blood in vivo in the rat pptx
Ngày tải lên :
16/03/2014, 02:20
... as indicated by the lack of increase in lipid peroxidation observed in in vitro and in vivo experiments [21] In previous studies [22,23], we observed that a single intraperitoneal administration ... after the end of diamide infusion in the kidneys and the liver Additionally, a significant increase in GSH was observed in the liver at h after the start of treatment (Fig 7B), probably indicating ... administration of azodicarboxylic acid bis-dimethylamide (diamide), a thiol-specific oxidizing substance, on the blood and tissue distribution of thiols and disulfides in rats Diamide is a mild oxidizing...
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Báo cáo khoa học: Characterization of the glutamyl endopeptidase from Staphylococcus aureus expressed in Escherichia coli pptx
Ngày tải lên :
16/03/2014, 06:20
... proteins were then subjected to zymography The caseinolytic activity emerged in a thermolysin dose-dependent manner (Fig 4B) The major band with caseinolytic activity was at 33 kDa (Fig 4B), indicating ... function of N-terminal propeptide on assisting protein folding and inhibiting catalytic activity based on observations with a chimeric thermolysin-like protease Biochem Biophys Res Commun 301 , 1093–1098 ... endopeptidase from Bacillus licheniformis is Ser, indicating the processing of the Lys-Ser bond by a protease with trypsin-like specificity [9] This may not be surprising, because the processing enzyme...
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Big Data Now: Current Perspectives from O''''Reilly Radar pptx
Ngày tải lên :
18/03/2014, 01:20
... data science is a holistic approach We’re increasingly finding data in the wild, and data scientists are involved with gathering data, massaging it into a tractable form, making it tell its story, ... to understanding the big data arena Chapter 2 The opportunities and ambiguities of the data space are evident in discussions around privacy, the implications of data-centric industries, and the ... open source ecosystem Query Specifying MapReduce jobs in terms of defining distinct map and reduce functions in a programming language is unintuitive and inconvenient, as is evident from the Java...
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BAMBOO AS A NEW FIBER SOURCE IN THE US PAPER INDUSTRY: A FEASIBILITY ANALYSIS FOR BOOSHOOT GARDENS, LLC docx
Ngày tải lên :
18/03/2014, 02:20
... through commercial farming instead of oil drilling is just the beginning 40 Industrial Paper Making Process In order to understand the paper making process it is important to first define the scale ... to the individual The pull from downstream demand is vital in this industry When researching market conditions the best source is IBISWorld, a leader in developing industry analyses According ... SWOT 30 Basic Paper Making Process 33 History of the Paper Industry 34 Industrial Pulping Process 37 Industrial Paper Making Process 40 U.S Paper Industry 43 Bamboo in Paper Production 48 Industry...
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Football Traumatology Current Concepts: from Prevention to Treatment doc
Ngày tải lên :
24/03/2014, 02:21
... HR is recorded during conditioning technical and tactical exercises, the volume and intensity illustrate progressive loading (increase in the total training time and gradually increasing work intensity) ... ligaments, especially the anterior cruciate, and torn tendons) and chronic injuries (tendinopathies, enthesitis, cartilage disorders) since the joints and their surroundings, the tendons and the nervous ... Furthermore, eliminating the intrinsic (and when possible also the extrinsic) predisposing factors, it is possible to reduce the incidence of pathologies that are typical in soccer Biomechanical...
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Measuring the Health Benefits from Reducing Air Pollution in Kathmandu Valley pdf
Ngày tải lên :
29/03/2014, 14:20
... conditioner, and the use of insecticides and pesticides From the 120 households interviewed, we collected information on a total of 641 individuals regarding their socioeconomic profiles and individual ... regression equations are the number of sick days (H) and the expenditure on mitigating activities (M) The independent variables include the climatic variables, the air pollutants and the individual characteristics ... benefits from reducing air pollution since it does not include avertive expenditures The total benefits to an individual include the benefits from avoiding restricted activity days (days suffering...
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Báo cáo khoa học: Characterization of recombinant prolidase from Lactococcus lactis – changes in substrate specificity by metal cations, and allosteric behavior of the peptidase pdf
Ngày tải lên :
30/03/2014, 04:20
... in P furiosus are indicated by thin lines The size-limiting arginine, Arg295, in P furiosus prolidase [16], and the corresponding residue, Ser307, in Lc lactis prolidase are labeled Ribbon models ... (N-terminus) and PstI (C-terminus) restriction enzyme sites Recombinant Lactococcus lactis prolidase (indicated by underlining) that flanked the ends of the open reading frame The PCR reaction mixture ... contribution of this loop structure as part of the substrate binding site, and it was suggested that Leu37B (B indicates the contribution from the other subunit) formed the hydrophobic S1 site in...
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Turbulent diffusion from a point source, laboratory data
Ngày tải lên :
18/05/2014, 19:36
... created at the release point, i. e the model stack Since in very stable conditions, the diffusion of chimney plumes is largely determined by initial mixing within the plume (Weil, 1983), the present ... plume, i. e with width only half the value measured in the absence of the hill The theory indicates that I z 0.80; (cf., Figs and of Part I) This finding is contrary to the measurements using a line ... stages in a typical oscillation The first of these may be compared with the theoretically derived plume outlines in Fig of Part I In Fig 17(b), the lateral displacement of the point of impingement...
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Báo cáo sinh học: " Phenotype and envelope gene diversity of nef-deleted HIV-1 isolated from long-term survivors infected from a single source" pptx
Ngày tải lên :
18/06/2014, 18:20
... However, other studies examining HIV-1 progression in individuals harbouring only R5 variants showed an increase in viral diversity in viral isolates obtained from patients with AIDS compared to isolates ... 77( 24) :13376-13388 Milich L, Margolin BH, Swanstrom R: Patterns of amino acid variability in NSI-like and SI-like V3 sequences and a linked change in the CD4-binding domain of the HIV-1 Env protein Virology ... made significant headway in reconciling these conflicting studies by identifying distinct phases of HIV-1 env sequence diversity and divergence during the asymptomatic period preceding the development...
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