experimental quasi experimental and nonexperimental designs

... metabolic pathways of AMP, GMP, IMP and XMP catalyzed by rat brain cytosol were explored using two complementary (experimental and theoretical) approaches Experimental approach determination ... 100 (Fig 6) (see [3], and Table 3, for further explanations on the signicance of these parameters) The equation described as V8d and V8r, and the corresponding substrates and products were not ... (without H2O2) and incubated further for 120 At the times indicated, the adenylic charge, ATP and inosine were determined as described in Materials and methods H2O2 evokes a decrease and an increase...

Ngày tải lên: 17/03/2014, 10:20

... results The first and most widely accepted model for PS topology is the eight-TM model (excluding HRVII and HRX) with both the N- and C-termini located in the cytosol [21,22] The experimental results ... methods and experimental results We propose a novel nineTM topology model with the C-terminus in the extracytosolic space and the two putative active site aspartate residues in TM regions six and ... Knowledge Foundation and Pfizer Corporation to A.H., and L.K., and by grants from Pfizer Corporation to E.S References Xia W & Wolfe MS (2003) Intramembrane proteolysis by presenilin and presenilin-like...

Ngày tải lên: 23/03/2014, 13:20

... obtained and are shown by the squares in Fig 4B The experimental data were used to identify the halfsaturation constant Ki and the Hill coefficient gg in Eqn (18), which were estimated to be 1.13 mm and ... concentrations Full and broken lines represent model predictions for genes with one (f1p) and two (f2p) binding sites, respectively, and circles with error bars represent the experimental data ... cerevisiae and Kluyveromyces lactis Model predictions are represented by a broken line for S cerevisiae and a full line for K lactis Steady-state experimental data are shown by circles and squares...

Ngày tải lên: 29/03/2014, 09:20

... Experimental and Computational Hydrogen Thermochemistry of Organic Compounds Experimental and Computational Hydrogen Thermochemistry of Organic Compounds Long Island University, ... used acetic acid, methanol, and cyclohexane as solvents and Pd over carbon support, Pt/C, Pt, Pd/BaS04, and Pt02 He settled on Pd/C and cyclohexane as optimal Precision and agreement with Kistiakowsky's ... mechanical effects and molecular strain, for example, resonance stabilization of aromatic compounds, conjugative stabilization of linear polyenes and polyynes, and steric effects in cisand trans- isomers...

Ngày tải lên: 01/04/2014, 10:53

... obtained with and without using the gas jet are measured and compared The specimen used is full-hard 301 stainless steel The laser and specimen parameters are summarized in Table Experimental ... convection and radiation The influence of forced convection cooling on the obtained bending angle is investigated Fig Experimental setup Table Laser and specimen parameters used in experiments and finite ... Poon, C C., and Tam, A C., 1998, ‘ Experimental and 2D Numerical Studies on Micro-scale Bending of Stainless Steel with Pulsed Laser,’’ Proceedings of the 1998 ASME International Congress and Exposition,...

Ngày tải lên: 06/05/2014, 08:55

... uncertain ther! mophysical properties and interfacial relations on the computational results[ 1[ Experimental study Experimental studies include measurements of velocity and optical properties of the ... laser!induced shock wave\ and due to scattering and absorption by the plume[ The distance between the probing beam and the target surface is incrementally adjusted and the corresponding arrival ... 1[4\ 3[1\ 4[1 and 4[8 J cm−1[ The surface temperature increases with the laser ~uence\ and rises quickly to the melting and boiling temperatures[ Melting begins at 3[3\ 2[0\ 1[6 and 1[4 nsec while...

Ngày tải lên: 06/05/2014, 08:55

... locking mechanism and material properties Conformity allows distribution of load more along the equatorial surface of the load and might increase back wear when the material expand and slide along ... collected experimentally The model is preliminary and gives a reasonable approximation of values of micromotion obtained experimentally Further work is needed to enhance the model development and improve ... stability and micromotion of the liner/cup interface Indeed it provides the means by which we can quantify the micromotion/load interface in relation to the liner and locking mechanism designs...

Ngày tải lên: 20/06/2014, 00:20

Ngày tải lên: 21/06/2014, 02:20

... there is no change in kinetics and potential energies, and that all heat fluxes and the shaft work are zero except for the heat fluxes respective to the reaction and to the cooling d (ρVr H ) ... experiments and was 0.0045 This value was almost 12.5 times higher than the value of kwirges For experiments and 6, the mean value was 0.000707 and it was times higher than kwirges Experiments and were ... solution with hydrogen peroxide and ferrous ions is known as Fenton’s reagent and is used for the initiation of polymerizations, hydroxylation of aromatic derivatives and oxidative couplings, among...

Ngày tải lên: 22/07/2014, 03:20

... simplified Discussion and Conclusions This model was designed to be a working tool It has main purposes: 1) to contin- uously bring together new experimental coherent representation; and to help us ... published models (Landsberg et al., 1976; Milne and Young, 1985; Wronski et al., 1985; Edward et al., 1986) by its structure Nevertheless, for the moment, due to the lack of experimental data, ... Identification and System Parameter Estimation, York, U.K., pp 463-468 Wronsky E.B., Holmes J.W & Turner N.C (1985) Phase and amplitude relations between transpiration, water potential and stem shrinkage...

Ngày tải lên: 09/08/2014, 04:20

... (STAT2) was set in positions 690 and 698 and the ligand binding site (STAT1) was set in positions 701 and 708, which included the amino acids Tyr690 and Tyr701 of STAT2 and STAT1, respectively, to ... Tyr690 and Tyr701 (orange) and NLS residues in STAT1: Lys410 and Lys413, in STAT2 Arg409 and Lys415 (pink), potential ubiquitylation sites in STAT1 (K85, K87, K296, K413, K525, K679, K685) and STAT2 ... dimeric STATs and importin alpha J Biol Chem 2002, 277(33):30072-30078 33 Andrejeva J, Young DF, Goodbourn S, Randall RE: Degradation of STAT1 and STAT2 by the V proteins of simian virus and human...

Ngày tải lên: 12/08/2014, 01:22

... (grey) and consensus predicted α-helices and β-strands are indicated The conserved tyrosine (Y) involved in VPg urydylylation and the sites (*) involved in virulence are indicated The VPgs experimentally ... performed CDF and CH-plot analyses FD and AVD performed the mass spectrometry analyses PR performed α-MoRF analyses ND and DF participated in the study design and coordination and helped to draft ... minima at 208 and 222 nm and by the positive ellipticity at 190 nm Nevertheless, the relatively low ellipticity at 190 nm and the slightly negative ellipticity near 200 nm of 621 and -1573 degrees...

Ngày tải lên: 12/08/2014, 04:21

... volumes, and the forces generated by repeated opening and collapse lead to upregulation of an inflammatory response, with release of cytokines and chemokines and activation of neutrophils and macrophages ... RMs can increase oxygenation and lung volume in collapsed prone lungs However, the benefits of RMs in terms of oxygenation and lung recruitment in ARDS patients and in experimental models with alveolar ... lung injury, and the long-term benefits and safety of RMs will depend on the extent of this effect Experimental evidence on recruitment maneuvers In saline lavaged rabbit lungs, Bond and coworkers...

Ngày tải lên: 12/08/2014, 19:22

... developed based on a GA The GAWCEM and GAWVEM randomly select a set of models by minimizing the SSE between the experimental data and the calculated results and evolve them to find out the best ... simulation model and forward kinematic equations 139 6.10 Comparison on angle values of simulation model and inverse kinematic results 6.10(a) For Δθ1 and Δθ2 140 6.10(b) For Δθ3 and Δθ4 ... International Journal of Science and Technology in Production and Manufacturing, Vol 1, No (2008), pp 69-76 xxi International Conference and Others D.T Thao, I.S Kim, J.S Son and J.H Seo Developed Multiple...

Ngày tải lên: 13/11/2014, 06:36

... (Cusson and Maivaganam, 1996) The material cost, shelf life, physical properties, workability, and performance also vary greatly among the different types of materials, and even from brand to brand ... material and the existing substrate that will ensure that the repair can withstand all the stresses induced by volume changes and chemical and electrochemical effects without distress and deterioration ... loading (impact, sustained and cyclic), volume changes (shrinkage, creep, and temperature and humidity variations) and mismatches in the properties of the repair material and the substrate concrete...

Ngày tải lên: 13/11/2014, 09:21

... small and big watercourses, open water channels, as well as important sea and tidal currents, could be harnessed by such and horizontal screws for recovering hydraulic energy A series of experimental ... blade coefficient of drag and Vr is the difference (Vc-Vb) between stream flow velocity Vc and blade velocity Vb=ω.R The relative velocity Vr decreases as ω/R approaches V c and the force Fd decreases ... Journal of Energy and Environment (IJEE), Volume 6, Issue 5, 2015, pp.471-478 477 theoretical kinetic power of the North-South and South-North currents are PNS-th =1331.8 KW and PSN-th =1969.5...

Ngày tải lên: 09/09/2015, 10:06

... thresholding algorithms and discusses the measurement accuracy of each method Chapter II 23 Materials and Methods 3.1 Animal preparation and experimental procedure Animal handling and all procedures ... VESSELS 21 Introduction 21 Motivation and Purpose 22 Materials and Methods 23 3.1 Animal preparation and experimental procedure 23 3.2 Image analysis ... Introduction 60 Motivation and Purpose 61 Materials and Methods 63 v 3.1 Blood samples 63 3.2 Perfusion system and experimental procedure 63 3.3...

Ngày tải lên: 09/09/2015, 10:14

... Zhitao XIONG, who builds our lab in very effective and committed way with a pair of fat and unusually skillful hands, and I gradually understand and appreciate his unique “Xiong’s style” to guide ... crisis and environmental problems in the 21st century Section 1.2 and 1.3 introduce the basic concepts and knowledge to understand hydrogen storage materials and solid lithium ionic conductor, and ... Formation and Diffusion in the Hydrogenation Products of Li3 N: Li2 NH and LiNH2 65 5.1 Introduction 5.2 Experimental Details 5.3 Computational Details 5.4 Results and discussion 5.4.1 Experimental...

Ngày tải lên: 10/09/2015, 08:29

... catalysts 125 Figure 5.8 TEM images of Pt/OMC (a and b), Pt/RuC (c and d), Pt/FeRuC (e and f), Pt/CoRuC (g and h), Pt/NiRuC (i and j), and JM (k and l) 128 Figure 5.9 XPS survey spectra of the ... loading (a and b) µg.cm-2, (c and d) 30 µg.cm-2 and (e and f) 50 µg.cm-2 77 Figure 3.9 TEM images of Pt deposited on both sides of VACNTs with Pt loading of 20µg.cm-2 on the front side and 15µg.cm-2 ... NRE 212 (■ and ▲) and NRE 211(■ and ▲) respectively Solid lines are the corresponding fits for the experimental data (b) Power densities curves of the four MEAs consisting of Pt/CA-CB and Pt/C-Com...

Ngày tải lên: 10/09/2015, 09:10

... thesis And not forgetting the centrifuge and geotechnical lab staff Mr Wong Chew Yuen, Mr Tan Lye Heng, Dr Shen Rui Fu, Mr John Choy, Mdm Jamilah and Mr Lam Foo for their assistance in the experimental ... guideline 18 2.6.2 Hossain & Randolph (2009a)’s method 20 2.7 Spudcan penetration in sand overlying clay 25 2.8 Experimental and numerical considerations 28 ... between experimental data of Hossain & Randolph (2010a) and SNAME (2002)’s predictions 42 Figure 2.10 Definitions of critical stages during spudcan penetration in Hossain & Randolph...

Ngày tải lên: 10/09/2015, 15:54