chemical physical and mechanical resistance of gloves
Báo cáo lâm nghiệp: "Comparison of physical and mechanical properties of tension and opposite wood from ten tropical rainforest trees from different species" pptx
Ngày tải lên :
07/08/2014, 16:21
... gymnosperms and physical- mechanical 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, ... was 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 ... 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 (MOE) of dry wood (specimen conditioned...
- 8
- 324
- 0
Báo cáo lâm nghiệp: "End-use related physical and mechanical properties of selected fast-growing poplar hybrids (Populus trichocarpa × P. deltoides)" potx
Ngày tải lên :
07/08/2014, 16:21
... for multiclonal poplar stands (extending the number of sampled trees and the number of stands) Acknowledgements: This study has been financed by the Institute of Nature and Forest Research (INBO ... ‘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...
- 10
- 382
- 0
Báo cáo khoa học: "Natural durability, physical and mechanical properties of Atlas cedar (Cedrus atlantica Manetti) wood from Southern Italy" ppsx
Ngày tải lên :
08/08/2014, 14:20
... 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 ... were 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 ... projects toward the improvement of the silvicultural management of existent stands and of the knowledge of that wood, in order to find its best end use DISTRIBUTION AND ECOLOGICAL CHARACTERS The...
- 8
- 248
- 0
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
... [Leithoff and Peek 2001] Since the amount of each chemical composition of bamboo varies with age, height, and layer, the chemical compositions of bamboo are correlated with its physical and mechanical ... of the panels and compare the age effect on the physical and mechanical properties of the fiberboard 1.3 References Abd.Latif, M., W.A W Tarmeze, and A Fauzidah 1990 Anatomical features and mechanical ... 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...
- 76
- 579
- 0
Tài liệu Structure Development and Mechanical Performance of Polypropylene docx
Ngày tải lên :
22/02/2014, 09:20
... mainly PE and PP The basis of the dynamic development of polyolefins and their still tremendous potential lies in [4]: • Their versatility with respect to physical and mechanical properties and applications ... influence of of cooling rate on the structure and resulting mechanical performance is explored for a set of isotactic polypropylenes with varying molecular weight, insertion of co-units and addition of ... as a function of time and temperature is accessed Figures 1.5 and 1.6 show the evolution of the α- and 17 Results and Discussion mesomorphic phase for six cooling rates for iPP1 and iPP2, respectively...
- 156
- 424
- 0
Retrieval of the source location and mechanical descriptors of a hysteretically-damped solid occupying a half space by full wave inversion of the the response signal on its boundary doc
Ngày tải lên :
18/03/2014, 01:21
... precision of retrieval of pK depends on the degree of a priori knowledge of the other parameters of p hal-00657609, version - Jan 2012 1.2 The two models In order to carry out an inversion of a set of ... imaginary part of ℑµ for ±10% discordance of any of the other mechanical descriptors or of x1 On the other hand, it was shown that a ±10% discordance of the mechanical descriptors resulted in reasonably-small ... integral U (over nondimensional wavenumber ξ and frequency f ) depending on certain physical and geometrical scalar parameters of the scattering structure and of the solicitation These parameters p1...
- 26
- 467
- 0
Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot
Ngày tải lên :
23/03/2014, 13:20
... addition of 10 lL 10% aqueous trifluoroacetic acid and immediately injected onto RP-HPLC and fractions collected were collected and analyzed with ESI and MALDI-MS Chemical reduction The native and ... increments in t1 and spectral widths of 8000 Hz and 17 591 Hz in the 1H and 13C dimensions, respectively A total of 256 summed scans were collected with a relaxation delay of 1.3 s All 1H and 1H-13C ... protons of Thr10, Ala12 and Hyp13 interact with the A tx5a glycan protons Several NOEs are observed between the anomeric proton of GalNAc and the side-chain atoms of Thr10; Thr10b (strong NOE) and...
- 11
- 563
- 0
Geometric and Mechanical Modelling of Textiles pdf
Ngày tải lên :
31/03/2014, 23:20
... support of the Engineering and Physical Sciences Research Council (EPSRC) is greatly appreciated Thanks are due to Roger Smith, Paul Johns and Geoff Tomlinson for their technical support and Professor ... Hyde, head of the School of Mechanical, Materials and Manufacturing Engineering, for the use of the School facilities I would also like to thank my friends and colleagues for their kindness and keeping ... Lomov and Verpoest [7579, 137] have developed a software package named WiseTex capable of modelling the geometry of 2D and 3D woven fabrics, UD preforms, 2D braids with and without inlays and multi-axial...
- 271
- 3.5K
- 1
báo cáo hóa học: " e differential mediating effects of pain and depression on the physical and mental dimension of quality of life in Hong Kong Chinese adults" pptx
Ngày tải lên :
18/06/2014, 19:20
... effects of pain and depression on the physical and mental dimension of quality of life in Hong Kong Chinese adults Health and Quality of Life Outcomes 2010 8:1 Publish with Bio Med Central and every ... al Health and Quality of Life Outcomes 2010, 8:1 http://www.hqlo.com/content/8/1/1 Page of Table Pain characteristics and means of depression and QoL measures Pain measures Number of pain areasa, ... symptoms and quality of life? The Journal of nervous and mental disease 2006, 194(4):241-248 Boelen PA, Prigerson HG: The influence of symptoms of prolonged grief disorder, depression, and anxiety...
- 6
- 521
- 0
Báo cáo toán học: "Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." docx
Ngày tải lên :
20/06/2014, 20:20
... essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical and antibacterial ... coli and, P aerugenosa, the oils showed MIC values of 0.13, 0.21, 0.35, 0.47, 0.54, and 0.69 mg/mL, respectively Conclusions The chemical analyses by GC/MS allowed the identification of 86.68% of ... Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Amar Zellagui1, Noureddine Gherraf*1, Segni Ladjel2 and Samir Hameurlaine2 Laboratory of Biomolecules...
- 13
- 455
- 0
Báo cáo hóa học: " Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pot
Ngày tải lên :
20/06/2014, 23:20
... Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles Chompoonuch Puchmark1 and Gobwute Rujijanagul*2 Department of Physics, Faculty of Science, Naresuan ... CCTO, including Co, Zr, Fe, Sc, and Nb on the B site and substitution of La and Eu at the A site [4, 8-12] Although some of these additives resulted in a reduction of the loss tangent, most additives ... experimental procedure and related analyses All authors read and approved the final manuscript Acknowledgments This work was supported by The Thailand Research Fund (TRF), Thailand's Office of the Higher...
- 13
- 405
- 0
Báo cáo hóa học: " Wet chemical synthesis and magnetic properties of single crystal Co nanochains with surface amorphous passivation Co layers" pdf
Ngày tải lên :
21/06/2014, 04:20
... (Hc) of 355.8 and 93.6 Oe, respectively, for NCs and PSC, saturation magnetizations (Ms) of 125.7 and 162.5 emu/g, respectively, for NCs and PSC, and remnant magnetization (M r ) up to 46.6, and ... http://www.nanoscalereslett.com/content/6/1/285 Page of published SY and YQ: partly carried out the TEM and HRTEM experiments, as well as drafted the manuscript XL, LS, and HL: conceived of the study, and participated in its design and coordination ... out the experimental and numerical calculations, as well as drafted the manuscript VSM and PPMS: performed an analysis and interpretation of results, and gave final approval of the version to be...
- 5
- 465
- 0
Research for Agricultural Sciences:" Effect of high temperature fluidized drying and tempering on head rice yield and mechanical strength of Vietnamese rice varieties " doc
Ngày tải lên :
21/06/2014, 06:20
... factorial design, consisting of two levels of drying temperature (80 and 900C), two levels of drying time (2.5 and 3.0 min) and four levels of tempering time (0, 30, 40, and 60 min), was chosen in ... Effect of tempering time on HRY at drying temperature of 800C and 900C for 2.5 and 3.0 Reference HRYs of A10 and OM2717 were 54.5% and 43.26%, respectively (triangular dot) 84 Table Main effects and ... University of Queensland, Australia) attached to Universal Texture Analyser (Micro Stable Systems, UK) 50 rice grains of each lot were randomly selected and dehulled by hand Chalky and fissured...
- 18
- 363
- 0
Báo cáo hóa học: " Weatherability and Leach Resistance of Wood Impregnated with Nano-Zinc Oxide" pot
Ngày tải lên :
21/06/2014, 17:20
... and water absorption was determined by a modification of ASTM standard D 1037-96a [13] Weathered specimens, both treated and untreated, and unweathered southern pine were conditioned at 27°C and ... 5:1464–1467 Chemical Leaching and expressed as ppm zinc for the average leach rate of the blocks per treatment concentration Leaching procedures were similar to AWPA E11-06 standard method [14] and are ... 6, 8, 10, 12 and 14 days Leachates were analyzed for zinc with ICP-AES 250 ppm Zn 200 150 Results Chemical Leaching Figure shows the leach rate of three concentrations of nano-ZnO and 1% ZnSO4...
- 4
- 193
- 0
báo cáo hóa học:" Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L." potx
Ngày tải lên :
21/06/2014, 17:20
... essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical and antibacterial ... coli and, P aerugenosa, the oils showed MIC values of 0.13, 0.21, 0.35, 0.47, 0.54, and 0.69 mg/mL, respectively Conclusions The chemical analyses by GC/MS allowed the identification of 86.68% of ... Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Amar Zellagui1, Noureddine Gherraf*1, Segni Ladjel2 and Samir Hameurlaine2 Laboratory of Biomolecules...
- 13
- 388
- 0
báo cáo hóa học:" Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pdf
Ngày tải lên :
21/06/2014, 17:20
... Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles Chompoonuch Puchmark1 and Gobwute Rujijanagul*2 Department of Physics, Faculty of Science, Naresuan ... CCTO, including Co, Zr, Fe, Sc, and Nb on the B site and substitution of La and Eu at the A site [4, 8-12] Although some of these additives resulted in a reduction of the loss tangent, most additives ... experimental procedure and related analyses All authors read and approved the final manuscript Acknowledgments This work was supported by The Thailand Research Fund (TRF), Thailand's Office of the Higher...
- 13
- 391
- 0
báo cáo hóa học:" Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles" pot
Ngày tải lên :
21/06/2014, 17:20
... Improvement in dielectric and mechanical performance of CaCu3.1Ti4O12.1 by addition of Al2O3 nanoparticles Chompoonuch Puchmark1 and Gobwute Rujijanagul*2 Department of Physics, Faculty of Science, Naresuan ... CCTO, including Co, Zr, Fe, Sc, and Nb on the B site and substitution of La and Eu at the A site [4, 8-12] Although some of these additives resulted in a reduction of the loss tangent, most additives ... experimental procedure and related analyses All authors read and approved the final manuscript Acknowledgments This work was supported by The Thailand Research Fund (TRF), Thailand's Office of the Higher...
- 13
- 316
- 0
Báo cáo hóa học: " Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L" pdf
Ngày tải lên :
21/06/2014, 19:20
... composition of the essential oils of this endemic species Chahma A voucher specimen was deposited at the herbarium under the number NG 27 2.1 Isolation of essential oils An aliquot of 200 g of the ... necessity and in this regard, plant essential oils may offer a great potential and hope Several studies have reported the efficacy of antibacterials obtained from the essential oils of various ... effectiveness of the essential oil is Zellagui et al Organic and Medicinal Chemistry Letters 2012, 2:2 http://www.orgmedchemlett.com/content/2/1/2 Table Chemical content of essential oils of L resedifolia...
- 4
- 478
- 0
Báo cáo hóa học: " Physical and Electrical Performance of Vapor–Solid Grown ZnO Straight Nanowires" doc
Ngày tải lên :
22/06/2014, 01:20
... image of the ZnO nanowires, and it shows the nanowires with diameters of several tens nanometers Most of the nanowires have length of several to tens microns The nanowires are straight and most of ... (high) of wurtzitic ZnO, and it is a particularly important feature characteristic of hexagonal phase ZnO The bands 380 cm-1 and 410 cm-1 agree with phonon vibration frequencies of A1 (TO) and E1 ... as-grown ZnO nanowires and it reveals that the nanowires are composed of hexagonal ZnO The positions of the XRD peaks show good agreement with those of the reported standard data of hexagonal ZnO with...
- 4
- 281
- 0
Báo cáo hóa học: "Modification of alumina matrices through chemical etching and electroless deposition of nano-Au array for amperometric sensing" pot
Ngày tải lên :
22/06/2014, 22:20
... the bottom of the pores can be attained through step-wise decrease of anodizing voltage, several steps of chemical etching and electroless deposition of nano-Au species at the bottom of alumina ... to Ua,fin; (ii) chemical etching in a solution of 0.5 M phosphoric acid at 30 °C for time sw and (iii) electroless deposition of zinc/nickel layer in the immersion solution of zinc and nickel fluorborates ... acids, chemically pure salts and Milli-Q water Reproducibility of the measurements was checked by repeated experiments Results and discussion We found that the quality of perforation of alumina...
- 5
- 180
- 0