basic definitions of stress and strain

Mechanism Design Enumeration of Kinematic Structures According to Function pdf

Mechanism Design Enumeration of Kinematic Structures According to Function pdf

... comprised of an atlas of graphs of kinematic chains having up to three independent loops and eight links Appendix D offers an atlas of planar linkages with one, two, and three degrees of freedom ... Fall of 2000 Dr Tsai is a registered professional engineer in California, a Fellow of the ASME, and a member of the SAE He is Chief Editor for the ASME Journal of Mechanical Design and Chairman of ... B Atlas of Contracted Graphs C Atlas of Graphs of Kinematic Chains D Atlas of Planar Bar Linkages E Atlas of Spatial One-dof Kinematic Chains F Atlas of Epicyclic Gear Trains G Atlas of Epicyclic...

Ngày tải lên: 27/06/2014, 15:20

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Mechanism Design - Enumeration of Kinematic Structures According to Function P1 pptx

Mechanism Design - Enumeration of Kinematic Structures According to Function P1 pptx

... requirements, of a class of mechanisms of interest Determine the nature of motion (i.e., planar, spherical, or spatial mechanism), degrees of freedom (dof), type, and complexity of the mechanisms ... requirements of a machine and other considerations such as materials, manufacturing processes, and cost Number synthesis deals with the determination of the number of links, type of joint, and number of ... pair is a two-dof joint It imposes four constraints on the paired elements The meshing surfaces of a gear pair must satisfy the law of gearing and the diametric pitch of a pair of gears must be...

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Succeed at IQ tests improve your numerical, verbal and spatial reasoning skills

Succeed at IQ tests improve your numerical, verbal and spatial reasoning skills

... types of question and by learning to recognize the recurring themes The questions in this book are typical of the type and style of question that you are likely to encounter in actual tests and ... 12 Test One: Questions 26 The combined age of Archibald and Bertie is 19 The combined age of Archibald and Charlie is 37 The combined age of Bertie and Charlie is 52 How old is: Archibald? Bertie? ... G U R U C R E E A G B H 27 The combined age of Alice and Barbara is 132 The combined age of Barbara and Catherine is 152 The combined age of Alice and Catherine is 142 How old is: Alice? Barbara?...

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209 1,2K 6
Tài liệu Báo cáo khoa học: Platelet factor 4 disrupts the intracellular signalling cascade induced by vascular endothelial growth factor by both KDR dependent and independent mechanisms ppt

Tài liệu Báo cáo khoa học: Platelet factor 4 disrupts the intracellular signalling cascade induced by vascular endothelial growth factor by both KDR dependent and independent mechanisms ppt

... level of tyrosine phosphorylation of the KDR and of PLCc decreased significantly (45% and 66%, respectively) following the addition of PF-4 (10 lgÆmL)1) This is consistent with partial inhibition of ... pathways of two isoforms of VEGF (VEGF121 and VEGF165) may be regulated by PF-4 at a postreceptor level These results, and those for the FGF2 signalling pathway, suggest that a specific mechanism of ... human serum and ngÆmL)1 FGF2 After one day of culture, the cells were deprived of serum for 24 h, then cultured for a further 20 h in the presence of VEGF165 or VEGF121 (10 ngÆmL)1) and various...

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Báo cáo khoa học: The stop transfer sequence of the human UDPglucuronosyltransferase 1A determines localization to the endoplasmic reticulum by both static retention and retrieval mechanisms docx

Báo cáo khoa học: The stop transfer sequence of the human UDPglucuronosyltransferase 1A determines localization to the endoplasmic reticulum by both static retention and retrieval mechanisms docx

... consisting of 16 exons The isoforms are generated by alternative splicing of exon to the four common exons 2–5 resulting in isoforms with an identical C-terminal half of the protein [15] and a unique ... that sorting of Golgi and plasma membrane proteins depends on the length of the hydrophobic segment of their TMD [12] This is also true for ER membrane proteins such as cytochrome b5 and UBC6 in ... absence of positive transport signals, the localization of a protein in the ER may result from the properties of the TMD and its interaction with the membranes It has been demonstrated that TMD of...

Ngày tải lên: 07/03/2014, 16:20

9 542 0
Programme Curriculum for Master Programme in Economic Growth, Innovation and Spatial Dynamics docx

Programme Curriculum for Master Programme in Economic Growth, Innovation and Spatial Dynamics docx

... role of economic incentives and of culture for the ability and propensity of individuals to engage in innovation? Lund University, School of Economics and Management EAEGI The estimation of innovation ... an extensive awareness of theories and practises of GIS The course will build up a high level of practical skills and experience in the use of high quality hardware and software tools for input, ... the completion of the programme accomplish the following: Knowledge and understanding - demonstrate knowledge and understanding within the field of Economic Growth, Innovation and Spatial Dynamics,...

Ngày tải lên: 08/03/2014, 05:20

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Dynamics in Human and Primate Societies: Agent-Based Modeling of Social and Spatial Processes pdf

Dynamics in Human and Primate Societies: Agent-Based Modeling of Social and Spatial Processes pdf

... understand and document the evolution of social and political complexity of the small-scale agricultural groups of the American Southwest The first of these was a workshop sponsored by the School of ... are part of history But actions, which are "the unity of the outside and inside of an event" are the true province of history, and to understand them we must enter into the thoughts of the agents ... variable perception of individuals and communities The work of Durkheim, much of Kroeber's (1917) thought and especially his concept of the superorganic, and the "thick description" of Clifford Geertz...

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Đề tài " Diophantine approximation on planar curves and the distribution of rational points " pptx

Đề tài " Diophantine approximation on planar curves and the distribution of rational points " pptx

... systems close to a curve in Rn Proof of Theorem 4.1 The ubiquity version of Theorem 4.2 An auxiluary lemma 4.3 Proof of Theorem Proof of Theorem Proof of Theorem Proof of Theorem Various generalizations ... VICTOR BERESNEVICH, DETTA DICKINSON, AND SANJU VELANI Proof of the rational quadric statements 2.1 Proof of Theorem 2.2 Hausdorff measure and dimension 2.3 Proof of Theorem Ubiquitous systems 3.1 ... B) ⊂ Δu (Ψ, n) ∩ B and it follows that A(Ψ, B) \ R is a subset of Λ(R, β, Ψ) ∩ B Now in view of (39) and the fact that R is countable and therefore of measure zero, the proof of Theorem will be...

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Báo cáo khoa học: Aspartate transcarbamylase from the hyperthermophilic archaeonPyrococcus abyssi Insights into cooperative and allosteric mechanisms docx

Báo cáo khoa học: Aspartate transcarbamylase from the hyperthermophilic archaeonPyrococcus abyssi Insights into cooperative and allosteric mechanisms docx

... abyssi ATCase both unliganded and liganded with saturating concentrations of PALA and the relative difference in sedimentation coefficient Ds ⁄ s0, induced by the binding of PALA was calculated ... opposite effect of CTP and UTP is not observed CTP and UTP not affect the maximal activity Remarkably, ATP provokes an increase of Vmax of % 35% In E coli ATCase no such effect of ATP on Vmax ... laboratory, a decrease of 2.9 and 2.6% in the presence of saturating PALA concentrations [19,21] The existence of structurally distinct T- and R-states implies the existence of interactions stabilizing...

Ngày tải lên: 16/03/2014, 19:20

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statistical physics and spatial statistics - mecke k , stoyan d

statistical physics and spatial statistics - mecke k , stoyan d

... approaches and fundamental results by means of a tutorial review Basic definitions and notions were explained and discussed to clarify different notations and terms and thus overcome language barriers and ... intensity and C(r)/η is the pair correlation function of the volume measure associated with the random set The idea of using random Dietrich Stoyan measures in the context of stochastic geometry and ... [6].) The idea of the Takacs-Fiksel method is to determine empirical analogues of both sides of equation (10) for a series of ‘test functions’ f and to chose µ and V so that the sum of squared differences...

Ngày tải lên: 17/03/2014, 14:59

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PROGRESS I N BRAIN RESEARCH VOLUME 36 BIOCHEMICAL AND PHARMACOLOGICAL MECHANISMS UNDERLYING BEHAVIOUR doc

PROGRESS I N BRAIN RESEARCH VOLUME 36 BIOCHEMICAL AND PHARMACOLOGICAL MECHANISMS UNDERLYING BEHAVIOUR doc

... observations of Lenard and Singer (1968) on the red cell membrane and those of Condrea and Rosenberg (1968) and Rosenberg and Condrea (1968) on the squid giant axon From studies on the incorporation of ... parts of the nervous system (Silver, 1967), indicating that this enzyme governs the level of ACh The localization of ChAc is therefore synonymous with the site of synthesis of ACh and knowledge of ... was re-suspended in ml of bicarbonate Ringer containing 0.4 mg of ascorbic acid and 20 jig of a-methylnoradenaline and incubated for 30 at 37°C in the presence of 95 % 0, and % CO, Ice-cold bicarbonate...

Ngày tải lên: 29/03/2014, 13:20

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cooperation in primates and humans mechanisms and evolution -  peter m. kappeler

cooperation in primates and humans mechanisms and evolution - peter m. kappeler

... volume) and various kinds of mutualism and perhaps byproduct mutualism Individuals in a bond not evaluate the immediate costs and benefits of their behavioral decisions, as demanded by the theory of ... their own offspring from other males offspring and channel investment selectively to their own offspring 2.5.2.3 The distribution of unilateral altruism Functional analyses of the deployment of social ... sharing and other relevant topics (2) The range of behavioral mechanisms underlying cooperative behavior in primates and humans is documented and critically assessed to identify mechanisms of, and...

Ngày tải lên: 08/04/2014, 12:58

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maskill - investigation of organic reactions and their mechanisms (blackwell, 2006)

maskill - investigation of organic reactions and their mechanisms (blackwell, 2006)

... degree of incorporation of the labelled oxygen In contrast, protonation of the hydroxyl of with departure of water would lead to liberation of isotopically enriched N2 O and no possibility of the ... importance of orbital symmetry considerations, and an improving appreciation of synchroneity and concertedness in the making and breaking of bonds Although the nomenclature recommended by Guthrie and ... soluble) In even the simplest of these systems, an appreciation of the partitioning of materials between phases, and of the transport dynamics of materials within liquids and across phase boundaries,...

Ngày tải lên: 04/06/2014, 15:26

388 1,2K 0
university of calgary press space and spatial analysis in archaeology dec 2005

university of calgary press space and spatial analysis in archaeology dec 2005

... comprised of papers that use textual and iconographic representations of architecture and landscape to examine the importance of emic presentations of landscape (e.g., Allison, McCafferty and McCafferty) ... inextricably culture- (and language-) bound, and a better understanding of space and the experience of living in space should be one of the primary goals of the behavioural and social sciences, ... layer of this universe has a place in a vertical scheme that is characterized by a variety of physical attributes (e.g., world of the sun, world of trees, world of stones and sand and wet clay), and...

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433 268 0
A review of the chemical and physical mechanisms of the storage stability of fast pyrolysis bio oils

A review of the chemical and physical mechanisms of the storage stability of fast pyrolysis bio oils

... this reaction include carbonates and chlorides of sodium and potassium; calcium and sodium sulfates; and calcium and sodium acetates (Adams and Adkins 1925; Adkins and Nissen 1922) Catalysts for ... Refractive Indices and Densities of Mixtures of Certain Alcohols and Aldehydes,” J Am Chem Soc., 50, pp 499-503 Adkins, H and Broderick, A.E (1928b) “The Rate of Synthesis and Hydrolysis of Certain Acetals,” ... rate of formation of aldehyde hydrates was said to be quite rapid (Adkins and Broderick 1928a) The reaction of formaldehyde in an excess of water had a half-life of only 70 ms at 22ºC The ratio of...

Ngày tải lên: 19/06/2014, 14:02

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Báo cáo hóa học: " Rapid thermal annealing and crystallization mechanisms study of silicon nanocrystal in silicon carbide matrix" doc

Báo cáo hóa học: " Rapid thermal annealing and crystallization mechanisms study of silicon nanocrystal in silicon carbide matrix" doc

... 600 Page of voltage of 45 kV and a current of 40 mA, using Cu Ka radiation (l = 1.5418 Å) The glancing angle of the incident x-ray beam is optimised by omega scan and set between 0.2° and 0.4° ... Results and discussion TEM study Figures and show the plan view TEM images of the sample SRC50 after RTA and furnace annealing The volume percentage of Si over SiC is 50 v% from RF sputter rates of ... are also observed at approximately 800 and 940 cm-1 attributed to the TO and LO of cubic and hexagonal SiC poly types [17,18] The degree of crystallization of Si nanocrystal could also be evaluated...

Ngày tải lên: 21/06/2014, 05:20

7 396 0
Báo cáo hóa học: " Research Article Using Pitch, Amplitude Modulation, and Spatial Cues for Separation of Harmonic Instruments from Stereo Music Recordings" pptx

Báo cáo hóa học: " Research Article Using Pitch, Amplitude Modulation, and Spatial Cues for Separation of Harmonic Instruments from Stereo Music Recordings" pptx

... (0.6, 0.8), and (0.8, 1) We show boxplots of the SDR performance by ASE and DUET on all signals within these groupings The lower and upper lines of each box show 25th and 75th percentiles of the sample ... short-term analysis of the fundamental frequency and the harmonics-to-noise ratio of a sampled sound,” in Proceedings of the Institute of Phonetic Sciences of the University of Amsterdam, vol 17, ... Pearlmutter, and S T Rickard, “Survey of sparse and non-sparse methods in source separation,” International Journal of Imaging Systems and Technology, vol 15, no 1, pp 18–33, 2005 ¨ [9] S Rickard and...

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THE DYNAMICAL PROCESSES OF BIODIVERSITY – CASE STUDIES OF EVOLUTION AND SPATIAL potx

THE DYNAMICAL PROCESSES OF BIODIVERSITY – CASE STUDIES OF EVOLUTION AND SPATIAL potx

... mexicana and is ancestral Separation between group (composed of New World/American Foliosae species) and group (composed of Old World/African and Asian Foliosae and American, Asian and African ... from Reunion Island (from 1848) and later from a cartel of Indian Ocean Island producers (Madagascar, Reunion, Comoros and Seychelles) The true origin of cultivated vanilla outside of Mexico was ... gradient of species richness illustrates the complex evolutionary history of global biodiversity, and many studies have placed it in the context of geological history and rates of speciation and extinction...

Ngày tải lên: 28/06/2014, 08:20

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Statistical Physics and Spatial Statistics pdf

Statistical Physics and Spatial Statistics pdf

... approaches and fundamental results by means of a tutorial review Basic definitions and notions were explained and discussed to clarify different notations and terms and thus overcome language barriers and ... intensity and C(r)/η is the pair correlation function of the volume measure associated with the random set The idea of using random Dietrich Stoyan measures in the context of stochastic geometry and ... [6].) The idea of the Takacs-Fiksel method is to determine empirical analogues of both sides of equation (10) for a series of ‘test functions’ f and to chose µ and V so that the sum of squared differences...

Ngày tải lên: 29/06/2014, 06:20

419 545 0
Sarcopenia Age-Related Muscle Wasting and Weakness: Mechanisms and Treatments P49 pptx

Sarcopenia Age-Related Muscle Wasting and Weakness: Mechanisms and Treatments P49 pptx

... domains and encoded by a gene whose chromosomal location is shared with that of the receptor for platelet-derived growth factor Proceedings of the National Academy of Sciences of the United States of ... control of muscle development by basic helix-loop-helix and MADS-box transcription factors Proceedings of the National Academy of Sciences of the United States of America, 93, 9366–9373 Morris, ... (1994) Classical and atypical binding sites for b-adrenoceptor ligands and activation of adenylyl cyclase in bovine skeletal muscle and adipose tissue membranes British Journal of Pharmacology,...

Ngày tải lên: 07/07/2014, 10:20

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