... v is unique Let U and V be two vector spaces of dimensions m and n, respectively, and L a linear transformation of U into V, and define bases BU and BV for U and V as BU = {uj ... bounces back and tries again to move forward, but raising the foot to a higher level. Other machines that are worth mentioning are the Sutherland, Sprout and Associates Hexapod (Sutherland and Ullner, ... Merlet); and (c) the Hayward shoulder module (courtesy of Prof. V. Hayward.) TLFeBOOK 1.5 Robotic Hands 11 1.5 Robotic Hands As stated above, the hand can be regarded as the most complex mechanical subsystem...
Ngày tải lên: 19/01/2014, 18:20
... Kong London Milan Paris Tokyo TLFeBOOK Mechanical Engineering Series J. Angeles, Fundamentals of Robotic Mechanical Systems: Theory, Methods, and Algorithms, 2nd ed. P. Basu, C. Kefa, and L. Jestin, Boilers and Burners: Design and ... Materials: Mechanical Behavior and Structural Analysis I.J. Busch-Vishniac, Electromechanical Sensors and Actuators J. Chakrabarty, Applied Plasticity G. Chryssolouris, Laser Machining: Theory and ... Jalón and E. Bayo, Kinematic and Dynamic Simulation of Multibody Systems: The Real-Time Challenge W.K. Gawronski , Dynamics and Control of Structures: A Modal Approach K.C. Gupta, Mechanics and...
Ngày tải lên: 19/01/2014, 18:20
Tài liệu Báo cáo khoa học: Structure of RNase Sa2 complexes with mononucleotides – new aspects of catalytic reaction and substrate recognition pptx
... which is turned by 90° and sandwiched between His86 and Thr69 (Fig. 4C). The second phosphate group of the trinucleotide is posi- tioned between Asp66–Thr69 and Arg34 NH1 and NH2, which are 3.2 ... Sa2 and RNase Sa, and to better understand the function of the amino acids involved in catalysis, we analyzed the active sites of RNase Sa2, RNase Sa (2SAR, 1RSN, and 1GMP), binase (1GOY) and ... Arg42, and OE1 or OE2 of Glu43, and the phosphate-binding site contains Glu56, Arg67, Arg71, His86, and Tyr87. In the exo-2¢,3¢-GCPT complex, O2¢ and O3¢ form hydrogen bonds with OE1 of Glu56 and NE2...
Ngày tải lên: 18/02/2014, 11:20
Tài liệu Báo cáo Y học: Importance of the amino-acid composition of the shutter region of plasminogen activator inhibitor-1 for its transitions to latent and substrate forms pdf
... a helices D and E forms a flexible joint, and b strands 3A and 5A slide apart in a shutter-like manner over the underlying a helix B [14]. The central part of b strands 3A and 5A and the N-terminal ... number of substitutions in the shutter region and b strand 5A of PAI-1 and studied their effect on the transition to latent and substrate forms and on the stabilizing effect of vitronectin, a ... stressed and the relaxed confor- mations [15]. The network involves the side chains of the amino acids in positions 53 and 56 in a helix B, 186 in b strand 3A, and position 334 in b strand 5A (Fig....
Ngày tải lên: 22/02/2014, 07:20
Tài liệu Microbivores: Artificial Mechanical Phagocytes using Digest and Discharge Protocol doc
... Although complex mechanical assemblages may dissipate 109 W/m3, mechanomechanical and electromechanical transducers are generally very efficient, dissipating 1012-1016 W/m3 during mechanical energy ... termini or 5'- hydroxyl and 3'-phosphoryl termini) [105] Some endonucleases can hydrolyze both strands of a double-stranded molecule, others attack only one strand of a double- stranded molecule, while ... array sets one set for each of the nine unique bacterial ligands and recognition and binding of any one of the nine unique ligands will suffice to bind the bacterium securely to the nanorobot...
Ngày tải lên: 22/02/2014, 09:20
Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
... Uses on marginal land Wood and paper industries Hedges and screens Strand boards Minimal land use Medium density fiberboard Laminated lumber Paper and rayon Natural stands Nutritional ... physical, chemical, and mechanical properties, and consequently its processing and utilization The physical and mechanical properties of bamboo vary with the age of the bamboo and the height of ... alpha cellulose, and Klason lignin contents and the lowest extractive and ash contents The epidermis had the highest extractive and ash contents and the lowest holocellulose and alpha-cellulose...
Ngày tải lên: 22/02/2014, 09:20
Báo cáo khoa học: Residues affecting the chloride regulation and substrate selectivity of the angiotensin-converting enzymes (ACE and ACE2) identified by site-directed mutagenesis pot
... atherosclerosis and acute lung injury. Both ACE and ACE2 have catalytic activity that is chloride sensitive and is caused by the presence of the CL1 and CL2 chloride-binding sites in ACE and the CL1 site ... site-directed mutagenesis, and the effects on chloride sensitivity, substrate selec- tivity and inhibitor potency were observed. Results PCR mutagenesis of CL1 and CL2 site residues of tACE and ACE2 The residues ... equivalent tACE and ACE2 residues have not been investigated previously. In this study, candidate residues potentially involved in chloride binding at the CL1 and CL2 sites of ACE and ACE2 were...
Ngày tải lên: 16/03/2014, 04:20
AFRO-CUBAN BATÁ DRUM AESTHETICS: DEVELOPING INDIVIDUAL AND GROUP TECHNIQUE, SOUND, AND IDENTITY potx
... arts, and providing venues where musicians and dancers can collaborate; and everyone who supported my work by editing, translating, transcribing, and providing me with video footage and still ... freedom to explore hand percussion in addition to my classical percussion education. My final and deepest thanks are extended to my family: Mom and Dad, Margaret and Joe, my sisters and brothers, ... ability and ease with which the batá imitate language, songs, natural phenomena, and the percussion styles of other ethnic groups, including the... their individual sound and style, and...
Ngày tải lên: 16/03/2014, 14:20
Parent-young people communication about sexual and reproductive health in E/Wollega zone, West Ethiopia: Implications for interventions doc
... in-and-out-of-school male and female young people aged 10–24 and randomly selected to be included in the study The participants of focus group discussions were purposely selected from in-and ... young people (3 with males and 3 with females), 4 were conducted with parents (2 with males and 2 with females) and 3 were conducted with male and fe-male teachers Male and fefe-male focus group ... parent-adolescent communication about sexuality [1] Although sexual communication is a principal means of transmitting sexual values, beliefs, expectations, and knowledge between parents and children...
Ngày tải lên: 22/03/2014, 12:20
mechanical properties of polymers and composites nielsen doc
... parameters. Trang 11Mechanical Tests and Polymer Transitions 3II MECHANICAL TESTS There are a bewildering number of mechanical tests and testing ments Most of these tests are very specialized and have ... Plasticizcrs on Melt Viscosity 4 Dynamical Mechanical Properties I- Introduction and Instruments H Temperature and Frequency Effects Trang 9Mechanical Tests and Polymer Transitions1 INTRODUCTION ... all of the major mechanical properties of polymers: l_ Molecular weight 2 Cross-linking and branching 3 Crystallinity and crystal morphology 4 Copolymerization (random, block, and graft) 5 Plasticization...
Ngày tải lên: 22/03/2014, 12:20
Báo cáo khoa học: Directed evolution of a histone acetyltransferase – enhancing thermostability, whilst maintaining catalytic activity and substrate specificity doc
... determined using a continuous assay and synthetic peptide substrates. Wild-type P ⁄ CAF has k cat and K M values of 12 min )1 and 53 lm with the H3 peptide and 0.29 min )1 and 194 lm with the H4 pep- tide, ... catalytic activity and substrate specificity Hans Leemhuis 1 , Karl P. Nightingale 1,2 and Florian Hollfelder 1 1 Department of Biochemistry, University of Cambridge, UK 2 Chromatin and Gene Expression ... w) and incubated for 30 min. Following washing with NaCl ⁄ P i ⁄ 1% Tween-20 (·3) and water (·4), 100 lLof peroxidase substrate (tetramethylbenzidine; KPL, Silver Spring, MD, USA) was added and...
Ngày tải lên: 23/03/2014, 06:20
Digital Communication I: Modulation and Coding Course-Lecture 2 potx
... communication systems Some basic concepts and definitions such as as signal classification, spectral density, random process, linear systems and signal bandwidth Lecture 2 Today, we are going to ... comparing and selecting PCM waveforms: Spectral characteristics (power spectral density and bandwidth efficiency) Bit synchronization capability Error detection capability Interference and ... waveform into a form that is compatible with a digital communication system, the following steps are taken: Sampling Quantization and encoding Baseband transmission Lecture Sampling Time domain xs...
Ngày tải lên: 23/03/2014, 10:21
Digital Communication I: Modulation and Coding Course-Lecture 5 potx
... Digital Communications I: Modulation and Coding Course Term - 2008 Catharina Logothetis Lecture Last time we talked about: Receiver structure Impact of AWGN and ISI on the transmitted ... to maximize SNR Matched filter and correlator receiver Signal space used for detection Orthogonal N-dimensional space Signal to waveform transformation and vice versa Lecture Today we ... deterministic Elements of noise vector n = (n1 , n2 , , nN ) are i.i.d Gaussian random variables with zero-mean and variance N / The noise vector pdf is n2 pn (n) = exp − ( πN ) N / N...
Ngày tải lên: 23/03/2014, 10:21
Digital Communication I: Modulation and Coding Course-Lecture 13 ppt
... Basic definitions and concepts Signals classification and linear systems Random processes and their statistics WSS, cyclostationary and ergodic processes Autocorrelation and power spectral ... Average symbol and bit error probabilities Average symbol energy, symbol rate, bandwidth Comparison of modulation schemes in terms of error performance and bandwidth occupation (power and bandwidth) ... density Power and energy spectral density Noise in communication systems (AWGN) Bandwidth of signal Formatting Continuous sources Nyquist sampling theorem and aliasing Uniform and non-uniform...
Ngày tải lên: 30/03/2014, 10:20
Báo cáo khoa học: The role of residue Thr249 in modulating the catalytic efficiency and substrate specificity of catechol-2,3-dioxygenase from Pseudomonas stutzeri OX1 ppt
... dihydroxylated substrate ring and the active site pocket are probably involved in the determination of substrate specificity. Inspection of the substrate CH atoms at positions 3 and 4 reveals that ... con- tact between the residue and the substrate. Lines with round ends indicate stacking between the ring of the substrate and His240 in DHBD (A), His248 in HPCD (B), and His246 in C2,3O (C–F). Thr249 ... 3,5- DMC and 3,6-DMC and decreases the affinity for smaller substrates. Mutations at position 249 result in large and partly unexpected variations in the k cat values (Table 1). For the smaller substrates,...
Ngày tải lên: 30/03/2014, 10:20
Báo cáo khoa học: Calcium modulates endopeptidase 24.15 (EC 3.4.24.15) membrane association, secondary structure and substrate specificity pdf
... ⁄ 04297-8, 01 ⁄ 07544-9 and 04 ⁄ 04933-2), CNPq and CAPES, and NIH NS39892 and RR19325 (to MJG) PAGG and CCR were supported by studentships from FAPESP (02 ⁄ 09861-4 and 97 ⁄ 05500-7, respectively) ... [3,40], and could be of importance in the development of new specific substrates and ⁄ or inhibitors for the enzyme, as the detailed architecture of the enzyme and its interactions with substrates ... al (Montreal, Canada), and the graphics rendered with spock and raster3d [45] Acknowledgements Thanks are due to Dr Ian A Smith (Baker Institute) who provided substrate and inhibitors for EP24.15...
Ngày tải lên: 30/03/2014, 16:20
buiding competitive strategy in the rice farming industry the case of an dinh company xây dựng chiến lược cạnh tranh trong ngành sản xuất lúa gạo
... pollution of land and water, social impacts associated with this industry include promotion of poverty, landlessness and food insecurity, elevation of risks from floods, typhoons, and drought and impacts ... consumption reduction in China, Indonesia and Iran compensate by the increasing in Russia and Thailand The stocks decline in China, Vietnam, and Indonesia and Iran compensation by the stocks increase ... opportunities and challenges to investors in rice farming in Vietnam Vietnam is known as one of world’s richest agricultural regions and is the second-largest (after Thailand) exporter worldwide and the...
Ngày tải lên: 09/01/2015, 09:40
Strategy formulation and implementation
... view and to see the big picture, including the organization and the competitive environment, and to consider how they fit together Understanding the strategy concept, the levels of strategy, and ... additional growth potential, and profits should be plowed into this business as investment for future growth and profits The star is visible and attractive and will generate profits and a positive cash ... scrambling and jockeying for position that often occurs among fierce rivals within an industry Famous examples include the competitive rivalry between Pepsi and Coke and between UPS and FedEx IBM and...
Ngày tải lên: 14/11/2014, 05:37
Formulation and choice of competitive strategy for green fiberboard JSC
... strengths and weakness, the oppotunities and threats that Green Fiberboard needs to implement and face It also evaluates the effect of internal enviroment and external enviroment to the firm and base ... competitive competencies and strategy in the integrated economy Facing with the above opportunities and threats, the organizations and firms need to try their best to exist in the severe and violent environment ... growth has average 7.5% More and more, the quality of life is improved and high Foreign investment is pouring in recent year and the competition in between domestic and oversea firms is fiercely...
Ngày tải lên: 26/03/2015, 08:48