internal variable theory of thermo mechanical behaviors and endochronic theory of plasticity
Báo cáo vật lý: "Thermo-mechanical and Light Transmittance of Silica Diffusant Filled Epoxy Composites" docx
Ngày tải lên :
07/08/2014, 14:20
... Materials' Characterisations 2.4.1 97 Thermo- mechanical analysis Thermo- mechanical analysis of the epoxy/silica composites was carried out by using a thermo- mechanical analyser TMA (TMA Diamond, ... lowest CTE value The Tonset and Tpeak of the DCN were not influenced by the addition of diffusants On the other hand, the ΔH and Tg of the DCN decreased with the addition of SS50 diffusants The DCN/SS50 ... because of the wide variety of their applications in the automotive, aerospace, electronics, and plastics industries, and because of their structural applications.1 The typical characteristics of...
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Influence of thermo oxidative aging on the mechanical behaviors of polychloroprene
Ngày tải lên :
22/06/2016, 15:48
... Griffith theory of brittle fracture 43 3.1.2 Tearing behaviors of rubbers 44 3.1.3 Cutting behaviors of elastomers 50 3.1.4 Effects of aging on tearing and cutting behaviors ... properties of PCP 1.3 Objective and scope of the study 10 1.4 Interest and valuation of the study 11 CHAPTER 12 EFFECTS OF AGING ON TENSILE BEHAVIORS OF PCP ... Département de génie mécanique INFLUENCE OF THERMO- OXIDATIVE AGING ON THE MECHANICAL BEHAVIORS OF POLYCHLOROPRENE Thesis of doctorate of applied sciences Speciality: mechanical engineering TUNG HA –...
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Báo cáo y học: "Mechanical complications and reconstruction strategies at the site of hip spacer implantation"
Ngày tải lên :
26/10/2012, 09:53
... reconstructive techniques for management of extensive loss of femoral and/ or acetabular bone Mechanical complications and reconstruction strategies The exact rate of mechanical complications following ... This implantation technique also offers the advantage of a prevention of a spacer migration into the pelvis (Figure 4) beside a normal articulation and prevention of any spacer dislocation Hereby, ... consequence of a spacer neck fracture and frequently associated with a subsequent spacer head dislocation In these cases treatment should consist of revision surgery and spacer exchange On the other hand,...
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Tài liệu Báo cáo khoa học: Structure and membrane interaction of the internal fusion peptide of avian sarcoma leukosis virus pdf
Ngày tải lên :
19/02/2014, 16:20
... attributed to bH of Ala12 and NH of Val15, and aH of Pro13 and NH of Val15 Ó FEBS 2004 Structural study of internal fusion peptide of ASLV (Eur J Biochem 271) 4733 Conformational alteration of IFP–wt ... N-terminal and internal FPs, in the hope of improving our understanding of the role of fusion peptides in the fusion event Structure and membrane interaction of IFP–wt Binding of IFP–wt to lipid ... to 190 nm at a scanning rate of 50 nmÆmin)1 with a time constant of s, step resolution of 0.1 nm, and bandwidth of nm The final spectra were taken from the average of five scans The VARSELEC program...
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Báo cáo khoa học: A biophysical view of the interplay between mechanical forces and signaling pathways during transendothelial cell migration doc
Ngày tải lên :
22/03/2014, 21:20
... influence of these mechanical forces, not only as possible sources of outside-in signaling, but also as a form of feedback for the reorganization of the endothelium Mechanical properties of the ... for understanding the processes of vasculogenesis (formation of new blood vessels) and angiogenesis (formation of vascular trees), especially as one of the current hurdles in the field of tissue ... but it is probably a combination of mechanotransduction and mechanotransmission effects Mechanical properties of ECs It is believed that the mechanical state of the endothelium is extremely important...
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Báo cáo khoa học: "Mechanical Translation and the Problem of Multiple Meaning" pdf
Ngày tải lên :
30/03/2014, 17:20
... uncorrelativity of the random force, is the shortness of time of its correlation as compared to the relaxation time of the velocity of the large Brownian particles (high frequency of collisions) ... within the relaxation time (and longer), the theory still is not applicable for the observed increments of velocity during the periods within the time of correlation of the random force М (х - х0)2 ... Meaning SIMULATED MECHANICAL TRANSLATION In the first works on the theory of the Brownian movement (see also ) the values of the velocity of the particle in the various moments of the time were...
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MECHANICAL DESIGN AND CONTROL OF THE PENDUBOT potx
Ngày tải lên :
31/03/2014, 23:20
... Coordinate Description of the Pendubot l1 is the length of link one, lc1 and lc2 are the distances to the center of mass of the respective links and q1 and q2 are the joint angles of the respective ... mass of link one the length of link one (See Figure 3.1) the distance to the center of mass of link (See Figure 3.1) the moment of inertia of link one about its centroid the total mass of link ... position and velocity data of the actual Pendubot and ysi is the output position and velocity data found by simulation runs θ is the vector of inertial parameters to be found and θlb and θub are...
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Rheological heterogeneity, mechanical anisotropy and deformation of the continental lithosphere pdf
Ngày tải lên :
31/03/2014, 23:20
... certainly mechanically heterogeneous and anisotropic This raises the question of the influence of pre-existing rheological heterogeneities and mechanical anisotropy on the deformation of continents ... orientation of the [010] and [100] axes of olivine, respectively perpendicular and close to the strike of the orogen (Mainprice and Silver, 1993) These measurements hint at the existence of a crystallographic ... Simple shear rifting of the lithosphere (Wernicke, 1985) The relative thinning of the mantle (Ž) and of the crust (þ) varies across the rift and may result in the development of a stiff heterogeneity...
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mechanical, thermal and environmental testing and performance of ceramic composites and components
Ngày tải lên :
02/04/2014, 15:41
... Ojard, G C., and Cairo, R R "Relationships of Test Methods and Standards Development to Emerging and Retrofit CFCC Markets," Mechanical, Thermal and Environmental Testing and Performance of Ceramic ... strength/strain, and fracture strength/strain Some laboratories determined modulus of resilience and modulus of toughness Results Because of the nature of the round robin, confidentiality of the identities of ... Toughness of Ceramic Matrix Composites as a Function of Mode Ratio, Temperature, and L a y u p , " Mechanical, Thermal and Environmental Testing and Performance of Ceramic Composites and Components,...
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practical guide to the packaging of electronics thermal and mechanical design and analysis
Ngày tải lên :
03/06/2014, 01:25
... shock and vibration Thermomechanical management is concerned with the impact of thermal loads on the mechanical behavior of the system In this work, we will set the foundation for thermal and mechanical ... Chapter where At and Aj are the areas of surfaces i and j, respectively, and /? ,and Pj axe the angles between the position-dependent normal vectors to surfaces i and j and a line of length r connecting ... Marcel Dekker, Inc All Rights Reserved Chapter 30 Table 3.5 The Dimensions and Properties Used Station Standoff Standoff Standoff Length 0.75 0.50 0.25 Area 0.05 0.05 0.05 K Air R Air L Air Air 2-1...
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báo cáo hóa học: " Reliability and validity of a new scale on internal coherence (ICS) of cancer patients" pot
Ngày tải lên :
18/06/2014, 18:20
... perceptions of coldness/chillness and warmth ( 'thermo coherence') In the moderate correlation of the two items of the thermo coherence subscale with the inner resilience and coherence subscale and selfregulation, ... stage of cancer, surgery and chemotherapy see table The data on CFS-D, State aR and EORTC are published elsewhere Statistics of both parts of the study A reliability analysis of all 12 items of ... comfort and health; questions on inner balance, particularly with respect to the ability of problem solving, security and inner congruence and resilience in terms of importance and manageability, and...
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Báo cáo hóa học: " Molecular Dynamics Simulation of Nanoindentation-induced Mechanical Deformation and Phase Transformation in Monocrystalline Silicon" potx
Ngày tải lên :
21/06/2014, 22:20
... completely withdrawn Residual phases consist of a mixture of Si-III and Si-XII (in green), Si-II, and the amorphous phase The presence of Si-III and Si-XII as well as the amorphous phase corresponds ... phase transformation region of the former is smaller than the latter A ring surrounding Si-II of a mixedphase of bct5-Si and Si-I is also present Crystallinity of Si-III and Si-XII for monocrystalline ... distance of 2.39 A and also a unique ˚ one at a distance of 3.23 or 3.36 A at GPa [22, 23] Upon pressure release, part of the highly pressured Si-II phase would transform to a mixed-phase of metastable...
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Báo cáo hóa học: " Influence of Surface Modified MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt
Ngày tải lên :
22/06/2014, 01:20
... MWCNT in case of former and with wt% in case of the latter Electrical Properties Fig SEM images of a raw, b acid modified-MWCNTs and c amide-MWCNTs As in the case of TS, the YM of the amide-MWCNTs/ ... because of their large aspect ratio and mobile p electrons Addition of very small quantities of MWCNTs significantly increases the conductivity of the composite as observed in Fig As in the case of mechanical ... duration and prolonged use between 200 and 350 °C without much deterioration in mechanical and other properties Polyimides are produced by the condensation reaction of an aromatic dianhydride and...
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Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps
Ngày tải lên :
07/08/2014, 03:22
... population of paths of each tree (eq [1]) and the true totals and variances of the target variables and the estimates of the totals, respectively Choice of the auxiliary variable and variance of the ... ad hoc use of different auxiliary variables, the stratification of the crown and the deletion of segments In the present study, the effects of the choice of the auxiliary variable and of the created ... trees and defined the product of the squared diameter and the length of the branch beginning at the base of the segment, a proxy of the volume of that part of the branch, as the auxiliary variable...
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Báo cáo vật lý: "Compatibility, Mechanical, Thermal, and Morphological Properties of Epoxy Resin Modified with Carbonyl-Terminated Butadiene Acrylonitrile Copolymer Liquid Rubber" pps
Ngày tải lên :
07/08/2014, 14:20
... CTBN and the EP, and to investigate the thermal, mechanical, and morphological properties of the modified EP EXPERIMENTAL 2.1 Materials The clear epoxy 331, with an epoxide equivalent weight of ... gel temperature, and cure temperature) of the EP are influenced by the amount of CTBN A predetermined amount of the EP was cured with a stoichiometric content of the curing agent and various CTBN ... flexural strength and modulus of modified EPs A similar trend was found in the case of the tensile properties; the flexural strength and modulus of modified EPs are lower than those of the unmodified...
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Báo cáo vật lý: "Effect of Treated and Untreated Filler Loading on the Mechanical, Morphological, and Water Absorption Properties of Water Hyacinth FibersLow Density Polyethylene Composites" pdf
Ngày tải lên :
07/08/2014, 14:20
... point of being comparable to that of pure LDPE The presence of a coupling agent improved the mechanical properties of the composites A comparison of the SEM micrographs for the fracture surfaces of ... addition of fillers into a polymer will affect the mechanical, thermal, and water absorbent properties of the composite In addition, the properties of the composite will be unlike those of the ... because of variations in the filler types, shape, dimension, percentage of filler loading, and presence of coupling agent According to Adhikary et al.,2 the dimensional stability and strength of wood...
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Báo cáo y học: "Effects of short-term glucocorticoid treatment on changes in cartilage matrix degradation and chondrocyte gene expression induced by mechanical injury and inflammatory cytokines" doc
Ngày tải lên :
12/08/2014, 18:20
... pathways, including studies of DEX regulation of chondrocyte transcription, effects of DEX on iNOS mRNA and protein levels, and inhibition of glucocorticoid receptors and proprotein convertases ... Gift of Hope Organ and Tissue Donor Network (Elmhurst, IL, USA), approved by the Office of Research Page of 15 Affairs at Rush-Presbyterian-St Luke’s Medical Center and the Committee on Use of ... the data, conceived of and designed the studies, confirmed data analysis and wrote the manuscript CE and AJG conceived of and designed the studies, confirmed data analysis and wrote the manuscript...
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Báo cáo khoa học: " Mechanical ventilation and lung infection in the genesis of air-space enlargement" pptx
Ngày tải lên :
13/08/2014, 03:20
... piglets with and without inoculation pneumonia and it was therefore impossible to separate the effects of lung infection from those of mechanical ventilation in the genesis of bronchiolar and alveolar ... the guidelines of the Department of Experimental Research of the Lille University (Lille, France) and to the Guide for the Care and Use of Laboratory Animals (National Institutes of Health publication ... respective roles of lung infection and mechanical ventilation in the genesis of air-space enlargement Therefore, a model consisting of ventilating animals with a tidal volume of 15 ml/kg and ZEEP was...
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Experimental investigation for powder reinforcement effect on mechanical properties and natural frequency of isotropic hyper composite plate with various boundary conditions
Ngày tải lên :
09/09/2015, 10:06
... powder, and particle reinforcement of composite materials types with difference volume fraction of fiber They study of effect of fiber and resin types and the effect of volume fraction of fiber and ... 25 𝑐𝑚) and ( = 𝑚𝑚)) and different volume fraction of resin, powder and short fiber, as shown in Tables and Table Comparison of experimental mechanical properties results with theoretical mechanical ... work and other research had shown the good agreement of mechanical properties and natural frequency results And, the increasing of reinforcement powder cause increases the modulus of elasticity of...
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Mechanical characterization and modeling of polymerclay nanocomposites
Ngày tải lên :
09/09/2015, 11:20
... List of Figures Figure 5.5 Dependency of elastic modulus of explicit RVE and effective RVE on diameter of clay particle, (for ECNs) Figure 5.6 Dependency of elastic modulus of explicit RVE and ... dependency of elastic modulus on the number of clay particles Figure 3.6 Effect of particle size on (a) elastic modulus and (b) tensile strength of epoxy/clay nanocomposites; Effect of number of silicate ... MECHANICAL CHARACTERIZATION AND MODELING OF POLYMER/CLAY NANOCOMPOSITES SONG SHAONING (B.ENG) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF MECHANICAL ENGINEERING...
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