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A study of elliptical vibration cutting in ultra precision machining

A study of elliptical vibration cutting in ultra precision machining

... Chapter and mold applications in near future Face turning experiments are conducted on hardened steel workpiece under different conventional machining parameters In Chapter 7, firstly, cutting energy ... direction in EVC is experimentally investigated by conducting a series of grooving tests using a single crystal diamond tool Then, in order to better understand the surface generation process, a ... Computer numerical control CVC Conventional vibration cutting DOC Depth of cut EDS Energy-dispersive X-ray spectroscopy EVC Elliptical vibration cutting FEM Finite element method ID Inner diameter...

Ngày tải lên: 09/09/2015, 10:21

175 652 0
Báo cáo khoa học: "Clinical review: The implications of experimental and clinical studies of recruitment maneuvers in acute lung injury" pptx

Báo cáo khoa học: "Clinical review: The implications of experimental and clinical studies of recruitment maneuvers in acute lung injury" pptx

... coworkers [19] showed better oxygenation after RMs in the prone than in the supine position, and importantly the benefit was sustained at lower PEEP In other studies other adjuncts to MV were necessary ... superimposed on high PEEP favored alveolar overdistension in this model of surfactant depletion (loop C) Reproduced with permission from Rimensberger and coworkers [16] Recruitment maneuvers ... lung open after RMs [20] Lu and coworkers [21] demonstrated that RMs completely reversed the atelectasis, bronchoconstriction, and decrease in arterial oxygen saturation observed after endotracheal...

Ngày tải lên: 12/08/2014, 19:22

7 287 0
báo cáo hóa học:" Experimental and analytical validation of a modular acetabular prosthesis in total hip arthroplasty" pot

báo cáo hóa học:" Experimental and analytical validation of a modular acetabular prosthesis in total hip arthroplasty" pot

... liner assembly with linear variable differential transducer (LVDT) sensors Methods 2.1 Experiment set-up Seven commercially available UHMWPE liners, 28 mm inner diameter and 54 mm outer diameter, ... each trial were set with the INSTRON computer controller (Merlin 5500 Series) The loading characteristics applied to the liner (including number of cycles, speed, and maximum load) were specified ... angle For this experiment the anteversion angle was fixed at 15–20° The acetabular cup is statically placed at 25 degrees of anteversion Two acetabular shells (66 mm outer diameter) were used during...

Ngày tải lên: 20/06/2014, 00:20

9 439 0
High-Surface-Area Catalyst Design- Synthesis, Characterization, and Reaction Studies of Platinum Nanoparticles in Mesoporous SBA-15 Silica

High-Surface-Area Catalyst Design- Synthesis, Characterization, and Reaction Studies of Platinum Nanoparticles in Mesoporous SBA-15 Silica

... ordered mesoporous structure.11 Platinum particles of different sizes were dispersed in a 1:1 mixture of water and ethanol, and mixed with SBA-15 under sonication for h at room temperature After ... proper choice of the inclusion solvent should also be considered In pure water rather than a water/ethanol (1:1) mixture, Pt particles were mainly deposited on the outer surface of SBA-15 after ... Total and reversible isotherms were measured with an interim 1-h evacuation between isotherms The amount of adsorbed gas was extrapolated to zero pressure for all adsorbates Catalysts were reduced...

Ngày tải lên: 08/10/2015, 23:16

11 471 0
Báo cáo vật lý: "Volumetric and Thermodynamic Studies of Molecular Interactions in Ternary Liquid Mixtures at 303, 308 and 313K" pptx

Báo cáo vật lý: "Volumetric and Thermodynamic Studies of Molecular Interactions in Ternary Liquid Mixtures at 303, 308 and 313K" pptx

... dispersion interactions Repulsive forces, acting over very small intermolecular distances, play a minor role in the cohesion process under normal circumstances Such a negative excess internal ... Chemicals, (India) and E-merck, (Germany), without further purification In all systems, the various concentrations of the ternary liquid mixtures were prepared in terms of mole fraction, out ... the literature has shown that a few attempts have been made to obtain ultrasonic velocity data for ternary liquid mixtures.11–13 However, no thermodynamic studies have been conducted for ternary...

Ngày tải lên: 07/08/2014, 14:20

13 258 0
Báo cáo y học: "Systematic review and meta-analysis of randomised trials and cohort studies of mycophenolate mofetil in lupus nephritis" pdf

Báo cáo y học: "Systematic review and meta-analysis of randomised trials and cohort studies of mycophenolate mofetil in lupus nephritis" pdf

... difference, equivalent to an NNT of 8, was clinically useful This better efficacy came with lower mortality, fewer hospital admissions, and lower rates of several adverse events, including severe ... mentioned in 10, reduced corticosteroid dose in 7, with each mentioning reduced serum creatinine and disease severity or increased serum albumin Where numerical data were given, reduction in urinary ... magnitude; average reductions were often The number of days spent in hospital was per patient per year with MMF or azathioprine in the maintenance trial [39] compared with 10 per patient per year...

Ngày tải lên: 09/08/2014, 08:23

10 433 0
MOLECULAR AND PHYSIOLOGICAL STUDIES OF SALT TOLERANCE IN THE SALT SECRETOR MANGROVE AVICENNIA OFFICINALIS

MOLECULAR AND PHYSIOLOGICAL STUDIES OF SALT TOLERANCE IN THE SALT SECRETOR MANGROVE AVICENNIA OFFICINALIS

... to IUCN Bruguiera hainesii, CHAPTER1 Bruguiera sexangula, Ceriops decandra Kandelia obovata and many other mangrove plants were said to be extinct and later they have been rediscovered in Singapore ... i heterologous expression in Xenopus laevis oocyte ii ectopic expression in Arabidopsis 19 CHAPTER CHAPTER Materials and methods 20 CHAPTER Chapter : Materials and methods 2.1 Plant materials ... 60–90% relative humidity; 12h photoperiod) and watered every alternate day with NaCl-free water Figure 2.1: Mangrove swamp near Berlayer Creek Singapore 21 CHAPTER Arabidopsis growth conditions...

Ngày tải lên: 09/09/2015, 08:13

218 765 0
Experimental and numerical modelling of spudcan penetration in stiff clay overlying soft clay

Experimental and numerical modelling of spudcan penetration in stiff clay overlying soft clay

... lower-layer clay cu2* Strength of lower-layer clay at depth of ‘dummy’ spudcan cu2,0 Strength at the uppermost level of lower-layer clay cu,avg Average of strengths of upper- and lower-layer clay ... interpreted as follows In the first test where the lower layer is significantly softer than the crust layer, there is greater tendency for the crust material to flow downwards into the underlying ... two-layer clay specimens 28 Chapter Literature Review Four different preparations of two-layer (stiff-over-soft) clay specimens were described in four different studies: 1) Brown & Meyerhof (1969)’s,...

Ngày tải lên: 10/09/2015, 15:54

231 484 0
Experimental and theoretical studies of waste heat driven pressurized adsorption chillers

Experimental and theoretical studies of waste heat driven pressurized adsorption chillers

... effect temperature, J kg-1 t Heterogeneity parameter (Eqn 3.8) - T* equilibrium temperature K TA Thermo acoustic - TE Thermoelectric - u specific internal energy J kg-1 U v overall heat transfer coefficient ... evaporating temperature equal to 25 °C and regeneration temperature difference (the difference between regeneration and ambient temperatures) equal to 65 °C, the experimental COP of the intermediate ... internal energy) The entropy (s), enthalpy (h), and internal energy (u) are described in term of pressure (P), temperature (T), and the amount of adsorbate uptake or surface coverage (q), where...

Ngày tải lên: 11/09/2015, 10:01

221 833 0
Optical and electrical studies of silicon nanowires in photovoltaic applications

Optical and electrical studies of silicon nanowires in photovoltaic applications

... characteristic between core- shell SiNW and x planar Si solar cell under AM 1.5G illumination (c) Comparison of dark I-V characteristics between core- shell SiNW and planar Si solar cell in reverse ... Diameter of nanowire ɛ Permittivity η, ηPV Power conversion efficiency of photovoltaic device E Incident photon energy Eg Band gap I Terminal current I0 Dark saturation current IL Light generated ... to larger light generated current and higher PCE in solar cells with surface nanostructures as compared to planar Si solar cell 1.4.2 Core- shell SiNW solar cell SiNW solar cells with core- shell...

Ngày tải lên: 12/10/2015, 17:35

92 397 0
Pharmacokinetic and pharmacodynamic studies of mycophenolic acid in renal transplant recipients

Pharmacokinetic and pharmacodynamic studies of mycophenolic acid in renal transplant recipients

... CsA/Steroids CsA/Steroids 1.6 c 0.9 c [49] 60 (24-111) CsA/Steroids SRL/Steroids Caucasian (Italy) [45] [50] [51] [52] CsA/Steroids 0.69±0.31 15.44±4.07 25.46±6.84 SRL/Steroids CsA/Steroids SRL/Steroids ... TAC/Steroids TAC/Steroids TAC/Steroids Australian* (Australia) CsA/Steroids 1983±209 g (5d) CsA/Steroids 1732±272 1g (28d) CsA/Steroids 1g Caucasian 750 mg ECMPS African American CsA/Steroids ... peripheral compartment per unit time Fractional rate constant from peripheral compartment to central compartment per unit time Zero-order constant for the production of response First-order constant for...

Ngày tải lên: 28/11/2015, 13:44

207 246 0
Thermodynamics of cholesterol compounds in supercritical carbon dioxide  experimental and modeling studies

Thermodynamics of cholesterol compounds in supercritical carbon dioxide experimental and modeling studies

... acetate, butyrate and benzoate in supercritical CO2 Experimentally determined solubility isotherms in pure supercritical carbon dioxide were obtained over a range of operating conditions from 90 to ... supercritical CO2 and very good agreement between model predictions and data is observed x Nomenclature NOMENCLATURE Amixt Helmholtz free energy HSC Amixt hard-sphere reference chain term PERT ... Chapter (Chapter 3) Chapter Theoretical Background and Literature Review Section 2.4 serves as a quick glance on cholesterols and its importance Section 2.5 overviews the application of supercritical...

Ngày tải lên: 17/09/2015, 17:19

280 314 0
Báo cáo khoa học: "Experimental reproduction of proliferative enteropathy and the role of IFN-gamma in protective immunity against Lawsonia intracellularis in mice" pdf

Báo cáo khoa học: "Experimental reproduction of proliferative enteropathy and the role of IFN-gamma in protective immunity against Lawsonia intracellularis in mice" pdf

... siralullecartni L semit eerht detaeper saw tnemirepxe sihT ylevitcepser ,puorg lortnoc a rof dna puorg noitcefni na rof dengissa erew ecim eerhT esuom detcefnifo noloc dna mucec cimerepyh dna degralne ... fo noitcudorper latnemirepxE JP eoloC ,R dnalroB ,RM notredlA secnerefeR 4002 ni ytisrevinU kuknoK fo dnuF hcraeseR ytlucaF eht yb detroppus saw krow sihT stnemgdelwonkcA snoitcefni tsniaga ytinummi ... ecnereffid eht ot elbatubirtta eb yam ycnapercsid sihT noloc eht dna mucec eht ni devresbo ylniam erew ecim −R γ-NFI eht ni snoisel EP ,revewoH ]01,2,1[ aeli rieht ni dezilacol yllacipyt era...

Ngày tải lên: 07/08/2014, 18:21

3 481 0
Báo cáo y học: "Interaction of mumps virus V protein variants with STAT1-STAT2 heterodimer: experimental and theoretical studies" pps

Báo cáo y học: "Interaction of mumps virus V protein variants with STAT1-STAT2 heterodimer: experimental and theoretical studies" pps

... had an overall energy of interaction of -92.74, atomic contact energy of -11.21, attractive and repulsive van der Waals energy of -54.45 and 22.00, respectively, and energy of -4.24 derived from ... minimum score of 0.7 to Theoretical interaction Western Blot Analysis Theoretical heterodimer STAT1-STAT2 model was obtained by a docking analysis with Hex server [43] The putative interaction ... VGly with the STATs proteins may be more stable in terms of overall energy interaction, the attractive and repulsive van der Waals forces were higher in the complex between VWT and Rosas-Murrieta...

Ngày tải lên: 12/08/2014, 01:22

10 311 0
Báo cáo y học: "Influence of enrollment sequence effect on observed outcomes in the ADDRESS and PROWESS studies of drotrecogin alfa (activated) in patients with severe sepsis" pptx

Báo cáo y học: "Influence of enrollment sequence effect on observed outcomes in the ADDRESS and PROWESS studies of drotrecogin alfa (activated) in patients with severe sepsis" pptx

... critique of the literature Ann Intern Med 2002, 137:511-520 10 Heuschmann PU, Berger K, Misselwitz B, Hermanek P, Leffmann C, Adelmann M, Buecker-Nott HJ, Rother J, Neundoerfer B, Kalominsky-Rabas ... (indicating that 'patients per site' rates were generally lower in the US and Canada compared with the rest of the world), had lower acute physiology scores, and were more likely to have chronic ... as the site gained experience with the protocol Specifically, differences were observed between the subgroups in the racial origin of patients, acute physiology scores, percentage of patients...

Ngày tải lên: 13/08/2014, 11:22

13 341 0
Experimental realization and theoretical studies of novel all optical devices based on nano scale waveguides

Experimental realization and theoretical studies of novel all optical devices based on nano scale waveguides

... vs versus the signal wavelength vs Fig 3.8: (a) of versus ⁄ over ’ plots are plotted against vs at different ⁄ b) Fig 3.7: (a) the intercepts of ‘ (b) at different , with ⁄ and at different ... light with higher photon energy : Wavelength of light with lower photon energy : Band gap energy of semiconductor : Optical power of incident CW pump beam at wavelength : Optical power of output ... χ(3), resulting in very narrow bandwidth [5] SOA-based alloptical switch utilizes the higher though slower n(2) effect, commonly with use of the Mach-Zehnder Interferometer (MZI) configuration,...

Ngày tải lên: 09/09/2015, 08:14

234 504 0
analytical and numerical studies of bose   einstein condensates

analytical and numerical studies of bose einstein condensates

... temperature BEC in the semiclassical limit in which the thermal energy (of the order of kB T ) is much larger than the energy levels of the trapping potential and is much larger than the interaction ... model, the interaction that an atom experiences is described by the average interacting potential field caused by other atoms in the system, resulting in a nonlinear term in the Schr¨dinger equation ... gave a good estimate of the observed transition temperature of superfluidity of He A number of theoretical studies on the superfluid were carried out since its discovery Tisza, initiated by London,...

Ngày tải lên: 10/09/2015, 15:51

166 460 0
Experimental and numerical investigation of novel pine oil biofuel in a diesel engine

Experimental and numerical investigation of novel pine oil biofuel in a diesel engine

... temperature of air in the inlet manifold, suspended droplet experiments were carried out From this experiment, the evaporation of the pine oil at different temperatures were studied and this experiment ... oxygenated fuel with Chapter 2: Literature review 26 lower viscosity, it liberates lower HC and CO emissions because of their better combustion and engine performance than diesel In general, when the oxygen ... better researcher and with his association, we left no stone unturned Over and all, as a manifestation of our hard work and perseverance, our team emerged triumphant by publishing many papers...

Ngày tải lên: 12/09/2015, 11:01

156 236 0
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