design of blind flanges with openings
pressure vessel design manual
... Pressure, 30 Procedure 2-5: Design of Intermediate Heads, 31 Procedure 2-6: Design of Toriconical Transitions, 33 Procedure 2-7: Design of Flanges, 37 Procedure 2-8: Design of Spherically Dished Covers, ... Dished Covers, 57 Procediire 2-9: Design of Blind Flanges with Openings, 58 Procedure 2-10: Bolt Torque Required for Sealing Flanges, 59 Procedure 2-11: Design of Flat Heads, 62 Procedure 2- 12: ... Procedure 3-12: Design of Base Plates for Legs, 184 Procedure 3-13: Design of Lug Supports, 188 Procedure 3-14: Design of Base Details for Vertical Vessels #1, 192 Procedure 3-15: Design of Base Details...
Ngày tải lên: 02/04/2014, 16:47
Linear Minimum Mean-Square-Error Transceiver Design for Amplify-and-Forward Multiple Antenna Relaying Systems
... 3.8 Proof of (3.7) 3.9 Proof of (3.17) 3.10 Proof of Property 3.11 Proof of Property 3.12 Proof of Property ... communicate with destination This is a simple application of cooperative communication In cellular networks design, deployment of relay station to enlarge coverage of base station is one of the most ... =20dB 93 4.4 Total MSEs of detected data of the proposed Algorithm with and without precoder design 94 4.5 The convergence behavior of Algorithm for uplink when NB = 4, NR...
Ngày tải lên: 20/11/2012, 11:31
hybrid metal oxide and multiwall carbon nanotube films for low temperature gas sensing
... and that most of the nanotubes lay embedded within the matrix of metal oxide Based on these results, the modulation of the width of two depletion layers existing at the surface of metal oxide ... injection of a concentration Ci of a toxic gas (as defined in Eq (1)), C1 and C2 correspond to 500 and 100 ppb (case of NO2 ) or 50 and ppm (case of CO) Table shows the sensitivities of the different ... temperature, their responsiveness reached a value of 0.8 after the injection of 100 ppb of NO2 , and this value rose to nearly 10 in the presence of 500 ppb of NO2 These values, although significantly...
Ngày tải lên: 19/03/2014, 16:48
Metal Foams: A Design Guide pptx
... 80 7.1 Review of yield behavior of fully dense metals 7.2 Yield behavior of metallic foams 82 7.3 Postscript 86 References 87 Design for fatigue with metal foams 88 8.1 Definition of fatigue terms ... of the Department of Materials Science and Engineering, UVA; Dr John Banhart of the Fraunhofer Instit¨ t Angewandte Materialsforschung, Bremen; u Professor H.P Degisher and Dr Brigdt Kriszt of ... coated with a metal slurry and sintered, giving hollow metal spheres of high uniformity The consolidation of hollow spheres gives a structure with a mixture of open and closed porosity The ratio of...
Ngày tải lên: 28/03/2014, 16:20
báo cáo hóa học:" Mid-term results and factors affecting outcome of a metal-backed unicompartmental knee design: a case series" pptx
... the presence of patellar osteophytes prior to surgery A Cox proportional hazard model was used to examine whether any of these factors were associated with the risk of failure of UKA, with a hazard ... predictors of failure of a metal-backed UKA design The results from this study may lead to a better understanding of selection criteria for patients receiving UKA to help improve the outcomes of this ... as a BMI of 30 kg/m2 or over, accounted for 28% of the cohort The majority of the knees (n = 69, 86%) were diagnosed with osteoarthritis and the remainder (n = 11, 14%) were diagnosed with osteonecrosis...
Ngày tải lên: 20/06/2014, 04:20
Metal Foams: A Design Guide docx
... 80 7.1 Review of yield behavior of fully dense metals 7.2 Yield behavior of metallic foams 82 7.3 Postscript 86 References 87 Design for fatigue with metal foams 88 8.1 Definition of fatigue terms ... of the Department of Materials Science and Engineering, UVA; Dr John Banhart of the Fraunhofer Instit¨ t Angewandte Materialsforschung, Bremen; u Professor H.P Degisher and Dr Brigdt Kriszt of ... coated with a metal slurry and sintered, giving hollow metal spheres of high uniformity The consolidation of hollow spheres gives a structure with a mixture of open and closed porosity The ratio of...
Ngày tải lên: 27/06/2014, 17:20
METAL FORMING – PROCESS, TOOLS, DESIGN pps
... such kind of sheet metal parts Thickening of outer wall of cup parts with axial upsetting 2.1 Design of thickening process and thickening ratio in single upsetting In the SFP of cup parts with thickened ... thickness of outer wall reaches the specified dimension Figure Flywheel plate of car with outer wall thickening Thickening of inner wall of cup parts with axial upsetting 3.1 Design of thickening ... the rim of the blank incrementally 1.3 State -of- the-art of SFP With the increasing demand of lightweight and high properties of parts, SFP has become a research hotspot in the field of metal...
Ngày tải lên: 29/06/2014, 13:20
Design, synthesis and applications of Metal Organic Frameworks
... preserve Cu MOF-3 architecture is proven by successful synthesis of Cu MOF-4 Cu MOF-4 loses 35% of its mass up to a temperature of 250°C The finding of Cu MOF-3N shows our class of MOF constructed ... structures and sizes of pores within MOFs by design Because of the wide variety of coordination geometries offered by transition and lanthanide metal ions and the rich number of structures and reactive ... thermal stability of MOFs of up to 400°C, MOFs cannot compete with the thermal stability of zeolites, which often are stable to temperatures above 1200 °C.24 Nonetheless, MOFs show remarkable...
Ngày tải lên: 02/07/2014, 12:59
Hints on the use of Pro-Engineer for Sheet Metal Design docx
... constant over the length of attachment This command allows attachment to curved edges Both of these commands operate with a dashboard type display of parameters to be defined, with the provisional ... surface of chassis vertically Should the model need modifying then the position of the whole feature can be controlled with the dimension to DTM2 and the width of spacing by the depth of original ... complicated modifications, from making an extension to only part of the length of an existing wall to adding a complex profile with specified bend angles or providing a folded “safety edge”, the...
Ngày tải lên: 14/08/2014, 11:20
towards a rational design for sustainable urban drainage systems understanding (bio)geochemical mechanisms for enhanced heavy metal immobilization in filters
... pollutant removal and reducing runoff • Green roofs – roofs with a cover of vegetation over a drainage layer 1.2.2 SuDS Performance All types of SuDS benefit from a variety of pollutant removal mechanisms ... typically offers a higher nutrient dose and in pore space regions close to the light source (both of which would be representative of the surface of a filter drain) Thus, MRI analysis of biofouling ... 4.9 Setup of peristaltic pump outside MRI room, setup of inlet tubing, column within MRI bore, and outlet tubing and view of column within bore 109 Figure 4.10 Orthogonal directions of x, y and...
Ngày tải lên: 22/12/2014, 17:08
Design and applications of phosphine ligands to transition metal catalyzed reactions
... iii Summary vi List of Tables viii List of Figures ix List of Schemes x List of Abbreviations xiv List of Publications xvii Chapter Introduction 1.1 Historical background of asymmetric palladium ... Table 2.2 Details of monitoring the reaction process of 2-18a 49 Table 2.3 Details of monitoring the reaction process of 2-18b 50 Table 2.4 Palladium-Catalyzed Asymmetric Addition of Arylboronic ... DESIGN AND APPLICATIONS OF PHOSPHINE LIGANDS TO TRANSITION METAL-CATALYZED REACTIONS JIANG CHUNHUI (M.Sc., Nanjing Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY...
Ngày tải lên: 09/09/2015, 09:59
Theoretical understanding and design of supported metal heterogeneous nanocatalysts
... panel) and 5% of strain (right panel) Inset: Enlarged view of energy levels of HOMO, HOMO-1, HOMO-2, of Au16 , and the Fermi level (dotted line) of the whole system (b) Isosurface of the differential ... during fabrication of MOFs with tunable length of linkers, and now it has generally proven difficult to demonstrate that clusters/nanoparticles are actually encapsulated within the MOF cavities, as ... application out of the unknown For the subjects of interest which are generally complex, one point of view is often insufficient, and a multidisciplinary approach will give a more profound understanding...
Ngày tải lên: 09/09/2015, 10:15
DESIGN, SYNTHESIS AND PROPERTIES OF METAL COMPLEXES AND COORDINATION POLYMERS FOR 2+2 PHOTO CYCLOADDITION REACTIONS
... transformation of 2D interdigitated MOF, V-1.2 5.1-12 to doubly interpenetrated 3D MOF, V-1.3 Figure 5.1- Comparison of PXRD data of V-1.2 & V-1.3 5.1-13 Figure 5.1- 10 A perspective view of a portion of ... in the formation of 2D interdigitated layered structure with parallel alignment of 4spy ligands both within and framework along with adjacent layers But upon UV irradiation of this compound showed ... Comparison of PXRD patterns of compound II-1 2-8 Figure 2- Structure of the photoinduced 1D-CP produced in the 2-9 crystal of II-1 with a single LED light (375 nm) Figure 2- Cracks on the surface of...
Ngày tải lên: 09/09/2015, 11:15
Temperature control design project
... khiển tự động [4] Karl Johan Åström (2002) Control System Design Department of Mechanical and Environmental Engineering, University of California [5] www.microchip.com Microchip Technology Inc ... áp có giá trị : vLM335 = 2.73 + KTa, với K = 10mV/oC Ta tính theo độ C + OPAMP OP07 có điện áp offset thấp OPAMP U1, U2, U3 dùng làm đệm điện áp OPAMP U4 khuếch đại tín hiệu từ thermocouple,...
Ngày tải lên: 20/09/2015, 11:34
Complete oxidation of methane at low temperature over noble metal based catalysts
... catalysts: dispersed phase of platinum, TOF = 0.005 s−1 , crystalline phase of platinum; TOF = 0.08 s−1 , small particles of palladium; TOF = 0.02 s−1 , large particles of palladium; TOF = 1.3 s−1 The ... respectively Marceau et al [12] found TOF of 0.15 and 0.08 s−1 , respectively, suggesting an increase of TOF with the metal particle size 2.5 Influence of the reaction products on the activity ... more pronounced with palladium than with platinum The influence of the reaction conditions (concentration of sulphur compounds, presence of water in the feed), or the nature of the support on...
Ngày tải lên: 08/10/2015, 22:56