practice research administration and management and education
influence of DC magnetron sputtering parameters on the properties of amorphous indium zinc oxide thin film y s jung
Ngày tải lên :
24/05/2014, 13:53
... 154.05 pm) at 30 kV and 20 mA The root-mean-square roughness (Rrms) was determined, and surface images were taken by atomic force microscopy (AFM, Autoprobe M5, PSIA company), and the scan area ... mode 65 and non-wetting mode The wetting-mode nuclei have a preferred orientation that minimizes the surface energy of the film, whereas the non-wetting mode nuclei have random orientations and spherical ... 3, and 5) are specified in Table Fig 4a,b indicates no Fig (a) Surface roughness change depending upon deposition temperature and three-dimensional images of IZO films deposited at (b) RT and...
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PREDICTION OF CHEMICAL REACTIVITY PARAMETERS AND PHYSICAL PROPERTIES OF ORGANIC COMPOUNDS FROM MOLECULAR STRUCTURE USING SPARC pptx
Ngày tải lên :
22/03/2014, 14:20
... the electrostatic interaction between S and C depends on the magnitude and relative orientation of the local fields of S and C and the dielectric properties and distances through the conducting ... + [ B c + δ H (∆pK a)c ]/ T where Ac and Bc are the entropic and the enthalpic van't Hoff coefficients for the reaction center, and δH and δs are enthalpic and entropic perturbations, respectively ... other hand, the field effect of the negatively charged groups (SO3- and O-) and the H-bond of the second OH with the =N will raise the second pKa2 and overcome the resonance contribution and the...
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Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
Ngày tải lên :
05/09/2013, 09:08
... solution and initial PCB concentration on the degradation of PCBs in water matrix - 10 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 MATERIALS AND METHODS Materials, Reagents and ... et al., 1998), trichlorophenols (Hugul and Demirci, 2000), n-methyl-p-aminophenol (Andreozzi et al., 1999), tetrachloroethylene (Alibegic et al., 2001) and p-chlorophenol (Ghaly et al., 2001) ... Journal of Water and Environment Technology, Vol.3, No.1, 2005 gaseous and solid phases AOPs are typically characterized by the generation of the highly reactive hydroxyl radicals (•OH) and are the...
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Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis
Ngày tải lên :
05/09/2013, 16:11
... IIM He has published several research papers in international journals and conferences His research interests are power plant Engineering, Energy and Environment and Solar Energy E-mail address: ... every hour and cumulative distillate yield at the end of the day The code is written in MATLAB 7.7 and it can be run in other lower and higher MATLAB versions By taking the values of C=0.2 and n=0.26 ... yield and efficiency increasd from 24.344 kg/m2/day and 42.444 % at atmospheric pressure to 42.042 kg/m2/day and 76.44% at 0.02 bar respectively For saline water, it is found that yield and efficiency...
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Tài liệu Báo cáo "Effect of the preparation conditions on the properties of Fe-Pt nanoparticles produced by sonoelectrodeposition " pptx
Ngày tải lên :
13/02/2014, 03:20
... domains of pure Fe and Pt The formation of FePt by electrodeposition was not occurred and may be ascribed to the large difference in the standard electrode potential of the Fe2+/Fe and Pt4+/Pt Upon ... Dependence of magnetic squareness and coercivity on current density J (top) and deposition time ton (bottom) In another series of samples, we fixed the current density and change the deposition time ... (1997) 6th edition (W.H Freeman and Company, New York) A.J Bard, L.R Faulkner, Electrochemical Methods Fundamentals and Applications, 2001, 2nd edition (John Wiley and Sons Inc) Q Zeng, Y Zhang,...
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Tài liệu Báo cáo Y học: The effects of low pH on the properties of protochlorophyllide oxidoreductase and the organization of prolamellar bodies of maize (Zea mays) pot
Ngày tải lên :
22/02/2014, 04:20
... conditions to be inhibited by ATP and by the protein phosphatase inhibitor NaF On the basis of this study, and subsequent studies on the action of protein kinase and protein phosphate inhibitors ... and a rapid disassembly of the PLB The pH-driven spectral changes are compared to those seen in aged PLB The effects of adenosine, AMP, ADP, ATP and NaF on the pH-driven changes are studied and ... containing mM NADPH and then pelleted, resuspended and incubated for 20 at room temperature in pH 7.5 assay medium containing mM NADPH The sample was then exposed to one (b), two (c) and four (d) flashes...
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Báo cáo " Influence of cooling rate on the properties of Fe73.5Si13.5B9Nb3Au1 ribbons " docx
Ngày tải lên :
05/03/2014, 14:20
... solidification and ejection from that and the higher speed of the wheel, the longer path The increasing speed of the wheel make the thickness of ribbons thinner and the ratio between the area and volume ... plot of sample v = 30 m/s, the first peak (a) and the second peak (b) Tab The thickness, t, the crystallization activation energies, Ea1 and Ea2, and the crystallization volume fraction, Xf, of ... activation energy Ea1 of α-Fe(Si) phase and Ea2 of boride phase are determined [18] (see Fig and Tab 1) Increasing the cooling rate leads to increase both values of Ea1 and Ea2 This is also similarly...
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Báo cáo " Influence of intradot Coulomb interaction on transport properties of an Aharonov-Bohm interferometer " ppt
Ngày tải lên :
05/03/2014, 14:20
... AB ring, and quantum dot, and is given explicitly by + εp Cpσ Cpσ + α+ α εkα Ckσ Ckσ + H0 = pσ kσ,α=L,R εd d+ dσ σ (2) σ Where α stands for the left (L) and the right (R) leads, while k and εkα ... longitudinal wave number and the corresponding energy of the electron The energies of the single particle states α+ + α within the ring and within the quantum dot are ε p and εd , respectively Ckσ ... ring and the leads, while the tunneling matrix elements V l (V r ) describe the coupling -between the left (right) side of the dot l and the ring We attach the magnetic flux on the right hand...
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Báo cáo " Influence of laser parameters on the stationary operation of a two-mode random micro laser " pdf
Ngày tải lên :
14/03/2014, 13:20
... to the case of multimode random microlaser afterwards Acknowledgements This work was supported by National Fundamental Science Research Program under Grant N0 4.057.06 and by VNU Main Point Subject ... Journal of Science, Mathematics - Physics 23 (2007) 139-142 Discussion and conclusion In the stationary operation of two-mode random microlaser, the variation of laser parameters influences clearly ... to the conservation of energy in the operation of two-mode random microlaser However, this result reflects the energy transformation and the complex interaction process inside the laser powder...
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effect of processing parameters on pore structure and thickness of anodic
Ngày tải lên :
19/03/2014, 16:48
... wires or tubes [33] In this research, aluminum tubes were anodized in 2, 3, 5, 7, 10 and 20 wt% sulfuric acid at 12.5, 15 and 20 V and, 2.7 wt% oxalic acid at 30 and 40 V, respectively (see Table ... would be able to withstand high fluid pressures and would be ideal for potential use in separation applications such as hemodialysis, plasmaspheresis and cryopreservation In this research, the mechanical ... etched and left as they were before carrying out the first anodization to aid mechanical handling The surface and cross-section view of pore structure for membranes anodized in sulfuric and oxalic...
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Báo cáo " The impact of environment on morphological and physical indexes of Vietnamese and South Korean students " docx
Ngày tải lên :
22/03/2014, 09:20
... Netherlands, and the Scandinavian nations Most markedly is the Netherlands where average height has increased at the greatest rates The Netherlands was in the late nineteenth century a land renowned ... average standard level of students in the world, especially the average standard level of Korean students? The location, geography, and climate: The marked difference of the location, geography, and ... body status and the relationship between human physiology and environmental factors such as climate, season, nutrition, activities, economy, urbanization, and stress Most of the previous researches...
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Báo cáo khoa học: Solution parameters modulating DNA binding specificity of the restriction endonuclease EcoRV docx
Ngày tải lên :
22/03/2014, 16:20
... SphI and HindIII were purchased from New England Biolabs (Ipswich, MA, USA) The primer oligonucleotides were purchased from Invitrogen (Grand Island, NY, USA) The sequences of the double-stranded ... the osmolyte and of the protein and DNA surfaces and on the change in exposed surface area between the two structures The DNw,nsp-sp values for betaine glycine, a-methyl glucoside and TMAO are ... specic and nonspecic complexes in solution at pH 7.5, however, have been reported by Thorogood et al [24] and by Erskine and Halford [13] As techniques based on separation, the gel mobility shift and...
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Báo cáo " Effects of the conditions of the microemulsion preparation on the properties of Fe3O4 nanoparticles " pot
Ngày tải lên :
28/03/2014, 10:20
... 180°C and pressure of 1.5 at for a time of hr, and (C) mixing in N2 High temperature and pressure in case B fostered the reaction to form nanoparticles In type B, we combined the microemulsion and ... reactant in the aqueous phase, changing the volume ratio of water and surfactant (w/s = 20 - 100), and the reaction atmosphere (300 K/1.0 at and 450 K/1.5 at) There were three types of samples: (A) mixing ... Sciences and Technology 24 (2008) 9-15 nano effects have been taken into account, which are high surface area and superparamagnetic property Superparamagnetic NPs have no coercive field and no...
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evaluation of shape and size effects on optical properties of zno pigment
Ngày tải lên :
06/05/2014, 13:23
... control coatings and space environmental testing, The AMPTIAC Quarterly (2004) 58–66 [24] R Lambourne, T.A Strivens, Paint and Surface Coatings: Theory and Practice, Second ed., William Andrew Publishing, ... Materials Chemistry and Physics 113 (2009) 334–337 [8] Y Wang, X Chen, J Zhang, Z Sun, Y Li, K Zhang, B Yang, Fabrication of surface-patterned and free-standing ZnO nanobowls, Colloids and Surfaces ... ZnO band gap and this phenomenon is one of the most important ZnO characteristics [14] The particle sizes of scale-like and submicrorod ZnO pigments are in the optimum range of 0.25–0.45 m, and...
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Báo cáo hóa học: " Quantification of the effects of an alpha-2 adrenergic agonist on reflex properties in spinal cord injury using a system identification technique" pptx
Ngày tải lên :
19/06/2014, 08:20
... collection and analysis, and participated in interpreting and writing the manuscript DC referred the patients and participated in interpreting data, and WZR participated in interpreting data and writing ... plantarflexion and the torque and EMG responses were ensemble-averaged Pseudorandom binary sequence trials To identify overall stiffness properties and to separate the reflex and intrinsic components, ... to follow a command input Subjects were seated and secured in an adjustable chair with the ankle strapped to the footrest and the thigh and trunk strapped to the chair The seat and footrest were...
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báo cáo hóa học: "Influence of a portable audio-biofeedback device on structural properties of postural sway" potx
Ngày tải lên :
19/06/2014, 10:20
... These results took Collins and De Luca to suggest that the motion of the COP is not purely random, and that SDA may be able to give insight on the amount of open-loop and closed-loop postural control ... the Oregon Health and Science University Ethical Committee and respected the declaration of Helsinky, 1964 Apparatus and procedure Subjects performed 10, 60-second trials standing with eyes closed ... between TI and SO with (r2 = 0.14) and without (r2 = 0.09) ABF As expected, co-activation between the agonists muscles, GA and SO, was instead large (r2 = 0.39 in trials with ABF and r2 = 0.46...
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báo cáo hóa học: " Effects of the physiological parameters on the signal-to-noise ratio of single myoelectric channel" doc
Ngày tải lên :
19/06/2014, 10:20
... study, proposed the model, and implemented the simulation YTZ supervised the study and gave constructive advices to the research and the paper writing Both authors read and approved the final manuscript ... signal were modelled as a Gaussian random process Clancy and Hogan [6] used the SNR as the standard metric to compare the performance of ME signal processors, MAV and RMS They found that if the electromyographic ... Guimaraes A: Distributed random electrical neuromuscular stimulation: Effects of the inter-stimulus interval on the EMG spectrum and frequency parameters J of Rehabilitation Research and Development 1994,...
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Báo cáo hóa học: " Influences of phase transition and microstructure on dielectric properties of Bi0.5Na0.5Zr1-xTixO3 ceramics" potx
Ngày tải lên :
20/06/2014, 23:20
... content All authors read and approved the final version of the manuscript Acknowledgments This work is financially supported by the Thailand Research Fund (TRF) and the National Research University ... experiments, analysis, and writing of the manuscript AR carried out the crystal structure investigation of the specimens SJ and AW participated in the conception and design of the study and revised the ... (130°C) [2] and Bi0.5Na0.5TiO3 [BNT] (320°C) [3] Unfortunately, the BNZ system showed low dielectric constant at room temperature, i.e., approximately 100, 60, and 25 at a frequency of 1, 10, and 100...
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Báo cáo hóa học: " Colistin: recent data on pharmacodynamics properties and clinical efficacy in critically ill patients" pot
Ngày tải lên :
21/06/2014, 01:20
... better understanding of these data, and recent randomized, controlled trials are necessary to redefine appropriate colistin doses This strategy relates to all potential routes of colistin administration ... first dose and 2.3 mg/L at steady state After the first few doses, colistin concentrations were below the Clinical and Laboratory Standards Institute MIC breakpoint of mg/L for P aeruginosa and Enterobacteriaceae ... to A baumannii (65.9%) and P aeruginosa (26.4%) The mean duration of hospital and ICU stays until the start of colistin administration for the index infection was 18.3 and 11.4 days, respectively...
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