welding cast iron cast steel carbon steel and forgings
Tài liệu Cast Iron-, All-Steel- and Aluminium Die Sets and Plates doc
Ngày tải lên :
26/01/2014, 20:20
... A Die Sets Cast Iron, Steel and Aluminium Die Set Press Units, Lamination Die Set Units, Tooling Pallet Die Sets B Precision Ground Plates and Flat Bars C Lifting and Clamping Devices ... J Peripheral Equipment K Slide Units L Standard Parts for Mould Making Cast Iron- , All -Steel- and Aluminium Die Sets Execution Contour faces of FIBRO Steel Die Sets are fully machined Contour ... subject to alterations Cast Iron- , All -Steel- and Aluminium Die Sets and Plates Remarks and Guide Lines Special Die Sets and Plates to Customers’ Drawings Die sets and plates up to size 22003 1100...
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study the effect of welding joint location on the fatigue strength and fatigue life for steel weldment
Ngày tải lên :
24/05/2014, 20:35
... of welding joint on the fatigue life and fatigue strength of rotating steel shaft and finding the best location for welding joint The scope of this work is applied mechanics and the design of welding ... type of weld and its orientation with respect to the applied fluctuating loads The detail categories for steel structures are found in AS 4100 and AS 5100 and are used by structural steel designers ... The samples of experimental work for tensile and fatigue tests were cutting from steel that had Table.1 Chemical composition of steel samples (tensile and fatigue sample) Component C Mn Si P S 0.29...
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aisc design guide 2 - errata - steel and composite beams with web openings
Ngày tải lên :
24/10/2014, 17:01
... Load and Resistance Factor Design of Steel Building Structures," Steel Research for Construction Bulletin No 27 (Washington, D.C.: American Iron and Steel Institute, January 1978) , and Mayasandra ... (5-18) and are calculated using the moment equilibrium equations for the tees, Eq 5-3 and 5-4, and appropriate representations for the stresses in the steel, and if present, the concrete and opening ... standard design practice for composite beams, in which the concrete deck is used only to resist the bending moment, and shear is assigned solely to the web of the steel section For both steel and...
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aisc design guide 2 - steel and composite beams with web openings
Ngày tải lên :
24/10/2014, 17:01
... (5-18) and are calculated using the moment equilibrium equations for the tees, Eq 5-3 and 5-4, and appropriate representations for the stresses in the steel, and if present, the concrete and opening ... Cross-sectional area of steel in unperforated member Cross-sectional area of shear stud Net area of steel section with opening and reinforcement Net steel area of top tee Area of a steel tee Effective ... nominal bending and shear capacities at an opening, and then obtaining the nominal capacities, and for the combinations of bending moment and shear that occur at the opening For steel members,...
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Composite structures of steel and concrete
Ngày tải lên :
27/03/2015, 16:44
... theory and design of composite structures of steel and concrete Readers are assumed to be familiar with the elastic and plastic theories for bending and shear of cross-section of beams and columns ... cross-sectional area Ac And second moment of are Ic, and a symmetrical steel section with corresponding properties hs , Aa , and Ia The distance between the centroids of the concrete and steel cross-sections, ... and in-situ concrete act together, and there are many other examples of composite action in structures, such as between brick walls and beams supporting them, or between a steel- framed shed and...
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Analysis and design of steel and composite structutre
Ngày tải lên :
27/04/2016, 22:57
... http://www.vietcons.org Preface Steel and composite steelconcrete structures are widely used in modern bridges, buildings, sport stadia, towers and offshore structures The analysis and design of steel and composite ... fundamental behaviour of steel and composite members and structures and the latest design criteria and procedures given in Australian Standards AS/NZS 1170, AS 4100, AS 2327.1, Eurocode and AISC-LRFD specifications ... design of steel and composite members and connections This book is an ideal course textbook on steel and composite structures for undergraduate and postgraduate students of structural and civil...
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Tài liệu Air pollution impacts from carbon capture and storage (CCS) docx
Ngày tải lên :
17/02/2014, 10:20
... manufacturing of ammonia, and alcohols and synthesis liquid fuels Other CO2-emitting industries are cement, iron and steel production (IPCC, 2005) Air pollution impacts from carbon capture and storage (CCS) ... biofuels Biomass Combined heat and power Buying overseas carbon credits Energy demand for coal and oil fossil fuels in stationary and mobile sources Negative for both AQ and CC Negative for AQ Source: ... biofuels Biomass Combined heat and power Buying overseas carbon credits Energy demand for coal and oil fossil fuels in stationary and mobile sources Negative for both AQ and CC Negative for AQ Source:...
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CARBON SCIENCE AND TECHNOLOGYE docx
Ngày tải lên :
05/03/2014, 15:20
... (3) typical carbon alloys and their preparation; (4) characterization of carbon alloys; and (5) development and applications of carbon alloys Prior to the preparation of this book, and as a spin-off ... These three carbon materials (electrode graphites, carbon blacks and activated carbons) have a long history of usage and are called classic carbon materials, in contrast to newly developed carbon ... nearest-neighbor carbon atoms Further, new forms of carbon, such as fullerenes and carbon nanotubes [1,2], are spherical -and tubularshaped carbon isomers, in which three chemical bonds per carbon atom...
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Báo cáo Y học: The mechanism of nitrogen monoxide (NO)-mediated iron mobilization from cells NO intercepts iron before incorporation into ferritin and indirectly mobilizes iron from ferritin in a glutathione-dependent manner pot
Ngày tải lên :
08/03/2014, 22:20
... hydrazone (PIH) and its analogue, 2-hydroxy-1-naphthylaldehyde isonicotinoyl hydrazone (311), were synthesized by standard techniques [34] Both PIH and 311 are strong Febinding ligands [34] and were ... concentrations of both physiological chelators (apolactoferrin and apoTf) and synthetic chelators (EDTA and DTPA) were used, and for all ligands no significant potentiation of 59Fe mobilization was ... (0.01–1 mM) The media and cells were separated and the 59Fe levels in each assessed Cells were lysed and the cytosols subjected to native PAGE-59Fe-autoradiography (see Materials and methods) (B)...
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Synthesis of large scale sic–sio2 nanowires decorated with amorphous carbon nanoparticles and raman and PL properties
Ngày tải lên :
16/03/2014, 15:08
... agreement with the results of XRD and TEM Two peaks centered at $1337 and $1592 cmÀ1 often called as D- and G-band, respectively confirm the existence of carbon [22–25] The D-band is known as to appear ... emission band and a new yellow band were observed from SiC–SiO2 core–shell nanowires decorated with carbon nanoparticles and considered to relate to the enhancement of oxygen deficiency and appearance ... the carbon in two kinds of nanowires are different It is well known that an interlayer having high carbon concentration exists at the interface between SiC and SiO2 and this interlayer induce carbon- related...
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carbon dioxide and environmental stress
Ngày tải lên :
01/04/2014, 11:43
... Nitrogen Mineralization and Immobilization and Increased Carbon Input to Soil 268 V Increased Carbon Flux to Soil and Nitrogen Inputs and Losses 274 VI Altered Nitrogen Cycling and Soil Water Content ... area and display and in plant spacing affect the energy supply for the two processes in a nearly identical manner Thus, "A and T on a per unit land area basis are closely linked and go hand in hand, ... Stress on Plants and Ecosystems: A Synthesis Yiqi Luo, Josep Canadell, and Harold A Mooney I Introduction 393 II Interactive Effects of Carbon Dioxide and Stresses on Plants and Ecosystems 394...
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Báo cáo hóa học: " Facile method to synthesize magnetic iron oxides/TiO2 hybrid nanoparticles and their photodegradation application of methylene blue" pptx
Ngày tải lên :
20/06/2014, 22:20
... between the electrons of the iron oxide NPs and the conduction band (or valence band) of TiO2 [64] Iron oxide NPs can increase energy spacing of the conduction band in TiO2 and finally lead to the ... the FT-2 and FT-3 in solid and solution state At the presence of magnet (take from the MSS) Figure UV-vis absorbance spectrum and bandgap energy UV-vis absorbance spectrum (a) and bandgap energy ... its internal and surface, and finally cause the hybrid products present a solid nature The diameter of above two different iron oxide Results and discussion Formation mechanism and morphology...
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Báo cáo hóa học: " Thermal conductivity of carbon nanotubes and graphene in epoxy nanofluids and nanocomposites" pptx
Ngày tải lên :
20/06/2014, 23:20
... single wall carbon nanotubes Carbon 2002, 40:2043-2061 24 Deng F, Zheng QS, Wang LF: Effects of anisotropy, aspect ratio, and nonstraightness of carbon nanotubes on thermal conductivity of carbon ... employed an easy and direct method to measure the thermal conductivity of epoxy in the liquid (nanofluid) and solid (nanocomposite) states using both rodlike and platelet-like carbon- based nanostructures ... addition to these outstanding properties, the recent developments on graphene synthesis routes and on -2- the understanding of their unique properties have prompted the development and study of graphene...
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Báo cáo hóa học: " Fabrication of core/shell ZnWO4/carbon nanorods and their Li electroactivity" ppt
Ngày tải lên :
20/06/2014, 23:20
... approximately 1,370 and 1,580 cm -1 are related to carbon, which are designated in terms of D and G bands These peaks are in good correspondence with the Raman spectra of the amorphous carbon reported ... ZW and C-ZW nanorods (b) Magnified Raman spectra showing D and G bands by carbon coating in C-ZW nanorods (By HW Shim et al.) Figure Representative TEM images of C-ZW nanorods (a, b) Low and ... pure ZW (Figure 4a) A thin carbon layer was homogeneously coated onto the surface of each pure ZW (Figures 4b, c), without deposition of isolated carbon islands by excess carbon pile-up This resulted...
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Báo cáo hóa học: " Atomic Layer Deposition of ZnO on Multi-walled Carbon Nanotubes and Its Use for Synthesis of CNT–ZnO " doc
Ngày tải lên :
21/06/2014, 08:20
... *1580 cm-1 corresponding to sp2-hybridized carbon and a D band at *1346 cm-1 originating from disordered carbon [17, 18] In addition to the D band, the D0 band as a shoulder of the Nanoscale Res ... those D band, D0 band and G band peaks changed only slightly Additional Raman peaks from the ZnO shells appeared; the relatively strong peaks at 427 and 567 cm-1 correspond to Ehigh and A1 (LO) ... distortion [18] The intensity ratio of the D0 over the G band (ID0 /IG) increases with a decrease in the graphite crystalline domain The D band and D0 band peak are very strong, indicating that the CNTs...
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Báo cáo hóa học: "Single step process for the synthesis of carbon nanotubes and metal/alloy-filled multiwalled carbon nanotubes" docx
Ngày tải lên :
22/06/2014, 22:20
... natural gas [19] The hydrogen produced is free of carbon monoxide and the other products being tubular carbon Results obtained on the generation of carbon monoxide-free hydrogen during the CVD growth ... observed The carbon yield during the deposition has been calculated as described previously [17] and a dependence of the yield of carbon with the growth temperature has been plotted and shown in ... ‘‘tip-growth’’ and ‘‘root-growth’’ mechanisms, the hydrocarbon gas decomposes on the metal surfaces of the metal particle to release carbon, which dissolve in these metal particles The dissolved carbon...
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LOW-CARBON POLICY AND DEVELOPMENT IN TAIWAN pot
Ngày tải lên :
28/06/2014, 17:20
... was 122,399 thousand MT; it was 224,661 thousand MT in 2000 and 274,973 thousand MT in 2007, but it decreased to 263,606 thousand MT in 2008 and even further to 251,149 thousand MT in 2009 It ... Lo and Huai Hsuan Yu Chapter A Preliminary Look at the Relationship Between Environmental Change and Economic Growth in Taiwan 69 Kuang-Ta Lo and Ya-Ting Yang Chapter Low -Carbon Pilot Tour and ... emission” and “low dependence” energy consumption pattern and supply system, so as to realize the three-win vision of 12 Low -Carbon Policy and Development in Taiwan energy, environmental protection and...
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Báo cáo lâm nghiệp: "Carbon pool and substitution effects of an increased use of wood in buildings in Switzerland: first estimates" pdf
Ngày tải lên :
08/08/2014, 00:22
... be overestimated and might in fact be rather low This effect is linked to a far larger decrease of the standing volume of trees (and thus carbon) in the forests and of soil carbon because of ... only very slowly by the re-growth of the forest Understanding the linkage between forest carbon pools and flows and the building carbon pools and flows in detail is an urgent research need Given ... long-lived, carbon- containing products in inventories of carbon dioxide emissions to the atmosphere, Environ Sci Policy (2003) 139–152 [23] Marland G., Marland S., Should we store carbon in trees,...
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Báo cáo khoa học: "Carbon balance and tree growth in a Fagus sylvatica stand" potx
Ngày tải lên :
08/08/2014, 14:21
... assimilation and PAR for each sample trees 4.5 Pattern of carbon allocation Stem and leaves represented respectively about 50% and 25% of the annual carbon allocation and can be considered as major carbon ... model mass and energy exchange using eddy covariance: Carbon dioxide and ozone uptake by a mixed oak-maple stand, Aust J Plant Physiol 21 (1994) 623-651 [6] Anderson J.M., The breakdown and decomposition ... dendrometer bands Figure shows that carbon in leaves represented a high proportion of annual carbon allocation (about 25%) in trees Annual carbon increment per tree is compared to tree carbon balance...
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Báo cáo lâm nghiệp: "The effects of elevated CO 2 and water stress on whole plant CO 2 exchange, carbon allocation and osmoregulation in oak seedlings" docx
Ngày tải lên :
08/08/2014, 18:21
... (Conroy et al, 1988; Chaves and Pereira, 1992; Tschaplinski et al, 1993; Tyree and Alexander, 1993) Under drought conditions, osmotic adjustment on the one hand and growth and Quercus robur In the ... alterations in carbon allocation and in osmoregulation were investigated MATERIALS AND METHODS metabolic processes on the other may compete for a limited supply of carbon (Munns and Weir, 1981).Thus, ... on carbon and nitro2 gen distribution within a tree (Castanea sativa Mill) soil system Plant Soil 162, 281-292 Sasek TW, Strain BR (1989) Effects of carbon dioxide enrichment on the expansion and...
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