... models of wood behaviour, a low value for MFA should result in (i) a high value of specific modulus of elasticity, (ii) a higher value of tangential and radial shrinkage, (iii) a low value of longitudinal ... decided to select 10 trees presenting clear sectors of reaction wood, with the widest possible diversity and to measure the physical and mechanical properties in the tension wood sector as compared ... Wood properties from tropical species 505 Figure Localization of specimen (disk and rods) used for the experiments 2.5 Air dry longitudinal modulus of elasticity The longitudinal modulus of elasticity...
Ngày tải lên: 07/08/2014, 16:21
... related properties of poplar wood 627 Table VI Density (kg/m3 ), modulus of elasticity and modulus of rupture (N/mm2 ) for a 7-layer plywood for each of the selected clones Beaupré Density of the ... ‘Hazendans’ and four ‘Hoogvorst’ The trees had all grown on sandy to loamy sand soils with a poor drainage, in adjacent stands with a planting distance of × m Trees were selected in respect of their ... stability, modulus of elasticity (MOE) and modulus of rupture (MOR) have been quantified at three different heights For evaluating the amounts of heartwood and tension wood, density and the shrinkage...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo khoa học: "Natural durability, physical and mechanical properties of Atlas cedar (Cedrus atlantica Manetti) wood from Southern Italy" ppsx
... principles of testing and classification of the natural durability of wood [10] ISO 3131, Wood – Determination of density for physical and mechanical tests [11] ISO 3133, Wood – Determination of ultimate ... uniform The results of physical and mechanical characterisation of Atlas cedar wood from Southern Italy are summarised on table IV Table V refers about physical and mechanical properties found on ... good and the ratio of static quality (ratio between parallel compression strength and density at 12% m.c.) of this wood is one of the best, compared to that of the most Italian utilised softwood...
Ngày tải lên: 08/08/2014, 14:20
Physical and magnetic properties of co,pd based spin valves with perpendicular anisotropy for spintronic device application
... Jang Heo of Dankook University, Dr Hojun Ryu of ETRI, Mr Rajamouly of Microelectronics Lab and Ms Tan Lay San of Dept of Chemistry for their aid in various aspects of my experimental work and for ... of perpendicular anisotropy and coercivity of Co/Pd multilayers and spinvalves c Optimization of the spin-valve and MTJ structure based on the understanding of the physical parameters d Extraordinary ... effect measurements of Co/Pd based spin-valves and the indirect determination of physical properties from these measurements e Measurement of magnetic and thermal stability of nano structured...
Ngày tải lên: 10/09/2015, 15:53
Tài liệu PHYSICAL, CHEMICAL, AND MECHANICAL PROPERTIES OF BAMBOO AND ITS UTILIZATION POTENTIAL FOR FIBERBOARD MANUFACTURING docx
... and utilization The physical and mechanical properties of bamboo vary with the age of the bamboo and the height of the culm [Chauhan 2000] In general, SG and the properties of bamboo drop from ... on the physical properties of pulp [Tamolong 1967; Zamuco et al 1969] Aging of a bamboo culm influences physical, chemical, and mechanical properties, and consequently its processing and utilization ... bending properties, along longitudinal and radial directions of one, three, and five year old bamboo and determine the correlation between SG and bending properties, and (5) compressive strength of...
Ngày tải lên: 22/02/2014, 09:20
Báo cáo y học: "Analysis of proteomic profiles and functional properties of human peripheral blood myeloid dendritic cells, monocyte-derived dendritic cells and the dendritic cell-like KG-1 cells reveals distinct characteristic" doc
... mDCs and moDCs [12] and moDCs and KG-1 cells [13], but no studies have compared the proteomes of all three cell types In this study we compare the proteomes of mDCs, moDCs and KG-1 cells, and ... presence of × 104 irradiated (3,000 rad 137Cs) immature mDCs and interactions Figure Cytokine expression profiles of cells Cytokine expression profiles of cells Cytokine production by mDCs and the ... The proteome of mDCs showed different levels of similarity compared with those of moDCs and KG-1 cells (correlation coefficient 0.68 and 0.62, respectively) (Figure 4) Duplicate gels of mDCs were...
Ngày tải lên: 14/08/2014, 18:20
Effect of thickness on the physical, thermal and chemical properties of ultra thin polymer films
... dependence on the thermal, physical and chemical properties of ultra-thin films of selected polymers In the first part of our study, we investigate the thermal and physical properties of hydrophilic polyetherimide ... thermal and transport properties when the film thickness approaches the bulk radius of gyration (Rg).9 Thus with important factors such as thickness of the films and the chemical properties of the ... Moisture uptake and swelling of the polymers can lead to significant reliability problems Presence of small amounts of water in polymer thin films can affect a variety of thin film physical properties...
Ngày tải lên: 05/10/2015, 19:04
Nonlinear viscoelastic properties and constitutive modeling of blood vessel
... section of blood vessel The thickness of each layer varies in artery and vein, and topographical site Figure Typical preconditioning cycle Loading cycles of soft tissue, each loading and unloading ... understand the mechanics of living systems With the knowledge of biomechanics of an organism, we can understand its normal function, predict changes due to alterations, and propose methods of intervention ... field of biomechanics encompasses diagnosis, surgery and prosthesis related work Blood vessels are part of the circulatory system, branching and converging tubes which circulate blood to -and- from...
Ngày tải lên: 16/10/2015, 15:36
09 Physical and Chemical Characteristics of DDGS revisions.
... Physical & Chemical Characteristics of U.S DDGS Physical and chemical characteristics of distiller’s dried grains with solubles (DDGS) vary among sources and can influence its feeding value and ... 08 - Physical & Chemical Characteristics of DDGS Particle Size, Bulk Density and pH Particle size and particle size uniformity of feed ingredients are important considerations of livestock and ... size (geometric mean), the coefficient of variation (CV) and 08 - Physical & Chemical Characteristics of DDGS standard deviation (SD) of particle size within and among ethanol plants were calculated...
Ngày tải lên: 08/08/2012, 10:03
Different physical and chemical pretreatments of wheat straw for enhanced biobutanol production in simultaneous saccharification and fermentation
... varied from 2.5 to 5.0% where, 2.5 g and 5.0 g of wheat straw were added The effect of temperature and the effect of combination of xylanase, cellulase, and β-glucosidase were examined during ... pretreatment, the effect of temperature and the effect of combination of xylanase, cellulase, and β-glucosidase were examined during saccharification 2.2.4 Physical and acid pretreatment with ... During Experiment and 3, 0.12 ml of each cellulase and βglucosidase were added to each vial and incubated at 45°C for 20 h During Experiment and 4, 0.12 ml of each cellulase and β-glucosidase...
Ngày tải lên: 05/09/2013, 15:28
Electronic and Optoelectronic Properties of Semiconductor Structures
... between physical principles and actual devices Electronic and Optoelectronic Properties of Semiconductor Structures provides engineering and physics students and practitioners with complete and coherent ... University of Tokyo He is the author of over 250 technical papers and of seven previous textbooks on semiconductor technology and applied physics Electronic and Optoelectronic Properties of Semiconductor ... discussed; iii) electron (hole) transport and optical properties of semiconductors and their heterostructures; and iv) behavior of electrons in small and disordered structures As much as possible...
Ngày tải lên: 24/01/2014, 17:34
Tài liệu Báo cáo " The effect of cobalt substitution on structure and magnetic properties of nickel ferrite " pptx
... the compensation of ion Fe3+ in the tetrahedral and octahedral location That led to increasing of total magnetization of a molecule Ni1-xCoxFe2O4 and hence there is increasing of MS (table 3) ... high coercivity of materials, the second term can take part of several tens percent of HC and the last one whereas can only reach several hundreds of gauss Thus, the increasing of Co-concentration ... Co-concentration led to the increasing of anisotropy property of ferrites Ni1-xCoxFe2O4, hence it was the increasing of HC The increasing of HC proved that the soft magnetic property of ferrite NiFe2O4 changed...
Ngày tải lên: 13/02/2014, 04:20
Tài liệu PHYSICAL AND CHEMICAL ASPECTS OF ORGANIC ELECTRONIC doc
... various aspects of OFETs, including the synthesis of new materials, preparation and characterisation of organic thin films, characterisation of device properties and the development of new device ... fundamental understanding of the basic mechanism and properties of such OFETs, a national research initiative (supported by the DFG within the framework of the focus program 1121 OFET) was established ... Electronics Structural and Electronic Properties of OFETs Edited by Christof Wöll WILEY-VCH Verlag GmbH & Co KGaA XLIV List of Contributors Organic Electronics Edited by Christof Wöll Related Titles...
Ngày tải lên: 16/02/2014, 19:20
Tài liệu Báo cáo khoa học: Interleukin-1-inducible MCPIP protein has structural and functional properties of RNase and participates in degradation of IL-1b mRNA doc
... mRNA and also of its own transcript For this reason, the level of mRNA for the wildtype form of MCPIP and the level of mRNA for IL-1b (Fig 5A, lane 3) were lower in comparison to the level of mRNA ... clarify the dynamics and features of this protein Role of MCPIP in regulation of the endogenous IL-1b transcript level After identification of a PIN domain in the MCPIP by use of bioinformatics, ... lanes 2,3 and 4, lower band) The levels of mutant and wild-type MCPIP mRNAs were higher when these vectors were co-transfected with a vector overexpressing IL-1b (Fig 5, lanes and 4, upper bands)...
Ngày tải lên: 18/02/2014, 14:20
Tài liệu Báo cáo khoa học: The antibacterial and antifungal properties of trappin-2 (pre-elafin) do not depend on its protease inhibitory function pptx
... Araujo Soares RM (2006) Secretion of serine peptidase by a clinical strain of Candida albicans: influence of growth conditions and cleavage of human serum proteins and extracellular matrix components ... antibacterial ⁄ fungicidal properties of trappin-2 involve the cationic nature of the molecule, as assessed from the salt and heparin dependence of the antimicrobial and antifungal effects Results ... fungicidal effect of a lm concentration of trappin-2 towards C albicans was time-dependent, reaching 92% after h and 98% after 18 h (Fig 5) Effect of NaCl and heparin on the antibacterial and antifungal...
Ngày tải lên: 18/02/2014, 17:20
Tài liệu Báo cáo khoa học: Tryptophan tryptophylquinone cofactor biogenesis in the aromatic amine dehydrogenase of Alcaligenes faecalis Cofactor assembly and catalytic properties of recombinant enzyme expressed in Paracoccus denitrificans pptx
... studies of the reductive half-reaction of AADH Studies of the reductive half-reaction were performed to allow comparison of kinetic parameters for native and recombinant AADH Reduction of the TTQ cofactor ... orf-4 and hemE) all putatively transcribed in the same direction [7] The second and fifth genes (aauA and aauB) encode the large and small subunits of AADH, respectively The genes aauD and aauE ... biogenesis genes (mauF and mauG) from the mau gene cluster We have shown that the physical, spectroscopic and kinetic properties of the recombinant AADH are similar to those of the native enzyme...
Ngày tải lên: 19/02/2014, 07:20
Tài liệu Báo cáo Y học: Antibacterial and antifungal properties of a-helical, cationic peptides in the venom of scorpions from southern Africa pptx
... from the blood of healthy volunteers and purified by Ficoll–Paque centrifugation and hyposmotic lysis of red blood cells as described previously [4] Procedure for testing of inhibition of superoxide ... of parabutoporin, opistoporin, melittin and mastoparan in absence and presence of mM extracellular Mg2+ ions Bacteria were incubated with twofold serial dilutions of peptides and inhibition of ... 50% of growth of the tested organisms at a concentration of lM at most (see Table 3) Opistoporin is the most active, inhibiting 50% of growth of N crassa and F culmorum at a concentration of 0.8...
Ngày tải lên: 21/02/2014, 15:20
Tài liệu Báo cáo Y học: Short peptides are not reliable models of thermodynamic and kinetic properties of the N-terminal metal binding site in serum albumin doc
... values) of Ni(II) and Cu(II) complexes of peptides at I = 0.1 M (KNO3) and 25 C Standard deviations on the last digits are given in parentheses EPR The X-band EPR spectra of Cu(II) complexes of VIHN ... complexes of VIHN [11] and the DAHam complexes of Cu(II) and Ni(II) [31] were studied previously Tables and thus present only the novel data: protonation constants for DAHKam and VIHN, and stability ... Stock solutions of NiCl2 and CuCl2 were standardized gravimetrically with dimethylglyoxime and complexometrically with EDTA, respectively Concentrations of stock solutions of HSA and BSA were estimated...
Ngày tải lên: 22/02/2014, 04:20
Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx
... Figure of PS-1 (1% Pt/ SBA-15) sample displays typical peaks of Si and Pt and the result from the quantitative estimation of peak areas gives 0,98% weight content of platinum This means that most of ... -196oC and the corresponding BJH pore size distribution of SBA-15 (a) and 1% Pt/SBA-15 (b) samples Table The results of the oxidation of D-glucose over different catalysts (Temperature: 800C; Air flow ... activity and selectivity in the oxidation of glucose When increasing the content of Pt loading, most Pt nanoparticles aggregated outside the channels of SBA-15 with size of 10-15nm and catalytic...
Ngày tải lên: 05/03/2014, 11:21
Báo cáo khoa học: Ibuprofen binding to secondary sites allosterically modulates the spectroscopic and catalytic properties of human serum heme–albumin doc
... [20]: koff ẳ koff2ị ẵibuprofen=K2 ẵibuprofenị ỵ koff3ị ẵibuprofen=K3 ẵibuprofenịị ỵ kỵ off 7ị where koff(2) and koff(3) indicate values of koff occurring at K2 < [ibuprofen] < K3, and at ... functional and structural properties of domains I and II [i.e of the 1382 region of (t)HSA] l The values of the Hill coefcients (n1, n2, and n3) for ibuprofen binding to tHSAheme and HSAheme ... low-afnity sites of tHSAheme-Fe(III) and HSAheme-Fe(III) [represented by a and (1 a), respectively, in Eqn (1)] are 0.18 and 0.82, and 0.14 and 0.86, respectively (Table 1) Effect of ibuprofen on peroxynitrite...
Ngày tải lên: 06/03/2014, 01:20