mechanical properties and their measurement material properties made easy
Báo cáo hóa học: " A systematic review of mobility instruments and their measurement properties for older acute medical patients" doc
Ngày tải lên :
18/06/2014, 22:20
... multiple stands from chair, standing balance, step-up and ambulation Approximately 10 minutes [29] 8.6 minutes (SD = 3.6 minutes) [41] A bed, chair, stop watch, standardised step and gait aid ... incorporate the PPME into their daily rounds Comparison of error estimates and clinically important change Table shows the estimated measurement error and MCID for the EMS, HABAM and PPME scores The ... person hands-on, person standby, independent with aid, independent BALANCE: impaired static sitting, stable static sitting, stable dynamic sitting, stable static standing, stable dynamic standing,...
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Báo cáo vật lý: "Using of HPLC Analysis for Evaluation of Residual Monomer Content in Denture Base Material and Their Effect on Mechanical Properties" pptx
Ngày tải lên :
07/08/2014, 14:20
... HPLC, and mechanical properties of heat-cure and self-cure denture base materials were checked out in both dry and wet condition using distilled water EXPERIMENTAL 2.1 Materials Two denture base materials ... dramatically affects the physical and mechanical properties Sanders et al.2 compared acrylic resin record bases made from three commercial resins processed by water bath curing and microwave curing energy ... tensile properties The effects of distilled water on tensile properties of denture base materials are shown in Table Heat-cure and self-cure denture base materials were significantly different in their...
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Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
Ngày tải lên :
22/02/2014, 09:20
... and year old material) , horizontal layer (epidermis, outer, middle, and inner layer), and height location (bottom, middle, and top portion) of Phyllostachys pubescens in detail Physical and mechanical ... chemical, and mechanical properties of the bamboo species Phyllostachys pubescens The effects of plant age, horizontal layer, and vertical height location on physical, chemical, and mechanical properties ... fiberboard and evaluate water soaking, modulus of elasticity (MOE), modulus of rupture (MOR), and internal bond (IB) properties of the panels and compare the age effect on the physical and mechanical properties...
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Tài liệu MECHANICAL PROPERTIES OF THE HEART AND ITS INTERACTION WITH THE VASCULAR SYSTEM ppt
Ngày tải lên :
22/02/2014, 09:20
... understanding of the heart as a muscular pump and of the interaction between the heart and the vasculature The concepts of contractility, preload and afterload are paramount to this understanding and ... calcium and sarcomere length (i.e., the basic concepts of excitation–contraction coupling) To understand the basic anatomy of the heart and how whole organ ventricular properties relate to the properties ... bundles of myosin strands with each strand having a tail, a hinge and a head region The tail regions bind to each other in the central portion of the filament and the Page of 23 strands are aligned...
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Báo cáo Y học: Properties of group I allergens from grass pollen and their relation to cathepsin B, a member of the C1 family of cysteine proteinases pdf
Ngày tải lên :
08/03/2014, 22:20
... identity between Hol l and CP2 was 22%, between Phl p and CP1 as well as CP3 19%, and between Phl p and CatB 15% Moreover, the putative active-site amino acid Cys72 of Phl p and Hol l is very ... cysteine residues and other essential amino acids are numbered Areas of high similarity exist around Cys69 and Cys72 and around Trp186, Trp193 and Trp197 The positions of Cys41, 57, 69 and 72 are especially ... among a and b-expansins, which is 25% Furthermore, high similarity is detected between regions surrounding the active sites of the proteinases and their expansin counterparts [4], and their comparable...
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Mechanical properties of solid polymers Constitutive modelling of long and short term behaviour pptx
Ngày tải lên :
09/03/2014, 00:20
... quality, safety, and mechanical performance (e.g stiffness, strength and impact resistance) Mechanical performance is generally optimized by trial -and- error until the functional demands of the design ... Introduction 1.1 Motivation Due to the favorable combination of easy processability and attractive mechanical properties, the use of polymer materials in structural applications has assumed large proportions ... experiments, numerical techniques provide a fast and cost-effective means to analyze and optimize the mechanical performance of polymer materials and products One of the pre-requisites for a reliable...
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STAINLESS STEELS their properties and their suitability for welding
Ngày tải lên :
14/03/2014, 12:21
... within the oil, gas and petrochemical sector, seawater-bearing systems and the offshore industry COMPOSITION AND MECHANICAL PROPERTIES The mechanical properties, corrosion resistance and weldability ... of microstructure for the corrosion resistance properties, physical properties and mechanical properties of the steels and provide information on their weldability – give advice on the selection ... high-temperature properties and are therefore used in furnaces and heat exchangers Their good impact strength at low temperatures is often exploited in apparatus such as vessels for cryogenic liquids Their properties...
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Báo cáo khoa học: Enzymes of mannitol metabolism in the human pathogenic fungusAspergillus fumigatus– kinetic properties of mannitol-1-phosphate 5-dehydrogenase and mannitol 2-dehydrogenase, and their physiological implications pot
Ngày tải lên :
14/03/2014, 23:20
... kox and kred are kcat values for alcohol oxidation and ketose reduction; KiNADH and KiNAD are dissociation constants for NADH and NAD+; and KmRO and KmROH are Michaelis constants for ketose and ... binding Discussion Kinetic mechanism of Af M1PDH and Af M2DH The theory developed by Cook and Cleland is used to deduce the kinetic mechanism of AfM1PDH and AfM2DH from KIE data in Table [28] The pattern ... discriminate between the same enzyme from parasite and host Experimental procedures Materials Recombinant AfM1PDH and AfM2DH were produced in E coli and puried as described recently [17,18] Unless...
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facile route to straight sno2 nanowires and their optical properties
Ngày tải lên :
19/03/2014, 16:48
... clearly indicates that these nanowires are of uniform size and smooth surface, and the average diameter and length of these nanowires are 80 nm and m, respectively The energy dispersive X-ray spectroscopy ... single crystalline and grows along [12-1] direction, which is different from common [1 1] and [1 0] growth direction [26,27] No obvious defects and dislocations are observed, and the interplanar ... decomposed into Sn and SnO vapor Sn and SnO vapor subsequently are transported to low temperature zone and form liquid droplets The liquid droplets gradually absorb oxygen and are further oxidized...
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mechanical properties of polymers and composites nielsen doc
Ngày tải lên :
22/03/2014, 12:20
... E Mechanical properties of polymers and composites / Lawrence E Nielsen Robert F Landel — 2nd ed., rev and expanded p cm — (Mechanical engineering ; 90) Includes bibliographical references and ... polymers, and foams VI Creep and Stress Relaxation VII Dynamic Mechanical Properties VIII Other Mechanical Properties A Impact strength Heat distortion temperature C Hardness, wear, and fatigue ... Mechanical Tests and Polymer Transitions INTRODUCTION Most plastic materials are used because they have desirable mechanical properties at an economical cost For this reason, the mechanical properties...
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mechanical properties of polymers and composites nielsen pot
Ngày tải lên :
22/03/2014, 13:20
... E Mechanical properties of polymers and composites / Lawrence E Nielsen Robert F Landel — 2nd ed., rev and expanded p cm — (Mechanical engineering ; 90) Includes bibliographical references and ... polymers, and foams VI Creep and Stress Relaxation VII Dynamic Mechanical Properties VIII Other Mechanical Properties A Impact strength Heat distortion temperature C Hardness, wear, and fatigue ... Mechanical Tests and Polymer Transitions INTRODUCTION Most plastic materials are used because they have desirable mechanical properties at an economical cost For this reason, the mechanical properties...
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Tensile properties of cooked meat sausages and their correlation with texture profile analysis (TPA) parameters and physico chemical characteristics
Ngày tải lên :
05/05/2014, 08:43
... mortadella and galantines) from different commercial brands were purchased in retail shops in Spain The 24 samples were 691 bought three times (January, May and October) maintaining brands and meat ... behaviour between profiles and with similar (p > 0.05) values of BS and hardness to textural profile 1, and similar values (p > 0.05) of cohesiveness and springiness to profile 3, and intermediate values ... of mortadella (MT), and seven of galantines (GL) Chopped is a heat-cured meat sausage manufactured with a mixture of ham chunks and trimmings and seasonings, ground together and then packaged into...
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classes of groups and their properties
Ngày tải lên :
12/05/2014, 01:59
... form(S) = D0 (S, 1) 92 Classes of groups and their properties If F and G are formations and F ∩ G = (1), then D0 (F ∪ G) = R0 (F ∪ G) Let ∅ = F be a formation and let S be a non-abelian simple group ... the first and third properties leading to the theory of saturated formations and Schunck classes and the associated projectors and the second property to the theory of Fitting classes and injectors ... X and an epimorphism from H onto G); Sn X = (G : G is subnormal in H for some H ∈ X); R0 X = G : there exist Ni G (i = 1, , r) r with G/Ni ∈ X and Ni = i=1 90 Classes of groups and their properties...
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mechanical properties of polymers based on nanostructure and morphology, 2005, p.738
Ngày tải lên :
04/06/2014, 14:26
... Donald G LeGrand and John T Bendler Handbook of Polyethylene: Structures, Properties, and Applications, Andrew J Peacock Polymer and Composite Rheology: Second Edition, Revised and Expanded, Rakesh ... Revised and Expanded, Manas Chanda and Salil K Roy Handbook of Radical Vinyl Polymerization, edited by Munmaya K Mishra and Yusef Yagci Photonic Polymer Systems: Fundamentals, Methods, and Applications, ... Polymer Properties: Third Edition, Revised and Expanded, Jozef Bicerano Fundamentals of Polymer Engineering, Anil Kumar and Rakesh K Gupta Handbook of Polypropylene and Polymer, Harutun Karian Handbook...
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Báo cáo hóa học: " Surface properties of glass micropipettes and their effect on biological studies" pot
Ngày tải lên :
21/06/2014, 03:20
... and average surface roughness (Sa) of all pipettes have been measured Figures 3, 4, 5, and show correlations between pulling parameters and Dt and Sa As it can be seen from Figures 3, 4, 5, and ... ATP, mM GTP, 10 mM HEPE, and at 7.2 in pH, and the bath solution was composed of 110 mM NaCl, mM KCl, mM MgCl2, mM CaCl2, mM HEPEs, mM HEPE-Na, and at 7.2 in pH Results and discussion Over 20 pipettes ... with the same pulling parameters and their tip sizes were measured using SEM irregular sizes, far from the expected value, were not used for reconstruction Materials and methods Pulling pipettes...
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Báo cáo hóa học: " Review of thermo-physical properties, wetting and heat transfer characteristics of nanofluids and their applicability in industrial quench heat treatment" pot
Ngày tải lên :
21/06/2014, 04:20
... fraction, and temperature [66] Xue and Xu derived a model which consists of the thermal conductivity of the solid and liquid, their relative volume fraction, the particle size and interfacial properties ... components and hence the required mechanical properties Summary Heat transfer and wetting kinematics are the two important phenomena during quenching that controls the final metallurgical and mechanical ... Institute of Materials; 1993: ASM Handbook: In Heat Treating Volume Materials Park: ASM International Handbook Committee; 1991 Edens M: Understanding quenchants and their effects 2006 [http://www...
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Báo cáo hóa học: " Fe3O4–Au and Fe2O3–Au Hybrid Nanorods: Layer-by-Layer Assembly Synthesis and Their Magnetic and Optical Properties" pptx
Ngày tải lên :
21/06/2014, 07:20
... 500 and 700 cm-1, which is different from Fe3O4 [40, 41] The IR analysis combined with TEM images and XRD pattern can confirm the synthesis of a-Fe2O3–Au and Fe3O4–Au hybrid nanorods Fe3O4–Au and ... resonance band at around 520 nm [44] The exact absorption varies with nanoparticles morphology and particle surface coating Herein, compared to pure Fe3O4 and aFe2O3 nanorods, both Fe3O4–Au and a-Fe2O3–Au ... combined magnetic and optical properties, which originate 123 1758 Nanoscale Res Lett (2010) 5:1755–1761 Fig a, b Infrared spectra of FeOOH nanorods (curve a) before layer-by-lay assembly and (curve...
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Báo cáo hóa học: " Hydrothermally Processed Oxide Nanostructures and Their Lithium–ion Storage Properties" potx
Ngày tải lên :
21/06/2014, 08:20
... 290.0 and 454.2°C, corresponding to the reactions Y(OH)3 ? YOOH and YOOH ? Y2O3, respectively In Si-based system, on the other hand, both endothermic and exothermic peaks appeared at 248.1 and ... electrochemically tested as anode materials for Y-based system (specimen No and 2) and as cathode materials for Si-based system (specimen 4) in Li-ion cells The testing for anode materials was conducted ... (EC) and dimethyl carbonate (DMC) (1:1 by volume, provided by MERCK, Germany) The cells were galvanostatically charged and discharged over a voltage range of 0–3.0 and 2.5–4.5 V for anode and...
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Báo cáo hóa học: " Hydrothermally Grown ZnO Micro/Nanotube Arrays and Their Properties" pptx
Ngày tải lên :
22/06/2014, 00:20
... micro/nanotubes show strong nearband-edge emission at 387 nm and weak defects-related emissions at 422 and 485 nm, respectively Contact angle result indicates they have good hydrophobic properties Field-effect ... nanowires has already been observed for several materials, such as ZnO and ZnS [13, 41] The crystal structure of the products was also investigated using XRD and the pattern is shown in Fig In this pattern, ... crystal planes and thus resulted in the formation of different structures To investigate the optical properties of these micro/ nanotubes, room-temperature photoluminescence was conducted and a typical...
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Báo cáo hóa học: " Nanospheres: Preparation, Characterization, and Their Adsorption Properties" docx
Ngày tải lên :
22/06/2014, 00:20
... time to prepare nanosized hollow materials, and should provide a general means for preparing other inorganic nanosized hollow materials The resistance to most acids and the pronounced removal capacity ... of Na0.15WO3 nanospheres were first suspended in water and then transferred on to silicon substrates or copper TEM grids for the SEM and TEM measurements, respectively XRD patterns were recorded ... of the reaction, the solid product was collected by centrifugation and was washed thoroughly using pure water and ethanol, and finally dried at 80 °C under a vacuum (0.01 Torr) Scanning electron...
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