... 0.01 Current (µA) Current (µA) Voltage (V) Voltage (V) 10 3K 12K 30K 60K 80K 160K 250K 3K 1E-3 0.0 0.2 0.4 0.6 0.8 1.0 Voltage (V) Voltage (V) Fig The corresponding log-linear plot of the I–V characteristics ... symmetric upon reversal of the voltage direction, so only positive voltages are used to show the fits more clearly Figure 1b shows the typical nonlinear I–V characteristics of single polypyrrole ... 120 2K Current (µA) 4K 6K Current (µA) 3K 10K 80K 15K 30K 50K 80K 250K 30K 60K 100 80K 160K 80 250K 60 3K 40 20 2K 0 Voltage (V) 0.0 0.2 0.4 0.6 0.8 1.0 Voltage (V) Fig a Typical TEM image of single...
Ngày tải lên: 22/06/2014, 01:20
... 18oN, is a place of meeting of the two currents of the South-china sea: the west Bacbo gulf longshore current and the winter cyclonic current of west South-china sea The first current takes the ... likely this the current component of the steady winter current system of north-south direction because this horizon is coincide with the depth of the steam jet of steady winter currents system ... composed of middle and southern part of studied region the circulation structure is more complicate There exist wind currents, steady current and tidal currents The tidal currents are of the weak...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: " Electroluminescent Characteristics of DBPPV–ZnO Nanocomposite Polymer Light Emitting Devices" potx
... DB4-ZnO 100 1E-3 1E-4 1E-5 Voltage (V) Voltage (V) Fig a Current density voltage (I–V) and b brightness voltage (B–V) characteristics of of DBPPV, DB2–ZnO, DB3–ZnO and DB4–ZnO devices be achieved using ... the pure DBPPV Lowering turn-on voltage of PLED devices leads to improved current efficiency Carter and Ligman also observed that radiance voltage and current voltage curves for 1:1 TiO2 (anatase)/MEHPPV, ... maximum brightness of 4,317 cd/m2 at V was measured The electrical characteristics of nanocomposite based PLEDs are summarized in Table The current turnon voltage (VI-on) of ca.3.76 (pure DBPPV)...
Ngày tải lên: 22/06/2014, 01:20
Electromigration induced failure characteristics of GMR spin valves and magnetic multilayers for the electrical reliability of spintronic devices
... curves of the patterned Si/NiFe(3)/Cu(2)/NiFe(3 nm) SV mult-layered devices electrically stressed under the current density of J = × 107 A/cm2 at ambient temperature for 33% of TTF, 66% of TTF ... failure under the both applied current density 5×107 A/cm2 and a 600 Oe of magnetic field (99 % of TTF) 190 xiii LIST OF TABLES LIST OF TABLES Table 1-1 The resistivity of different metallic thin ... failure characteristics of GMR spin-valves and magnetic multilayers for the electrical reliability of spintronic devices In the second and third parts, the objective of this project and synopsis of...
Ngày tải lên: 10/09/2015, 15:53
Characteristics of flow in the wake region of a bluff vertical cylinder in the presence of waves,currents and combined wave current flows 2
... Spectra of kinematics in the wake of the upstream cylinder, measured at x = ½ D, y = and 0.6 D offsets, for (a) Current only flow, (b) combined wave current flow at KC’ = 0.25, (c) combined wave current ... combined wave current flows are more obvious at low current to wave velocity ratios where the contribution of waves are dominant compared to currents At higher current flows, the role of flow reversal ... Institute of Technology Report No STF60 A79061 83 Verley, R L P., Johns, D J (1983) Oscillations of cylinders in waves and currents rd Proceedings of the Conference on Behaviour of Offshore Structures,...
Ngày tải lên: 10/09/2015, 15:54
Characteristics of flow in the wake region of a bluff vertical cylinder in the presence of waves,currents and combined wave current flows 1
... Processing of PIV Raw Images 59 Experimental Study of Flow Field in the Wake of a Bluff Cylinder 61 Chapter 4.1 Kinematics in the Wake of a Bluff Cylinder vi 61 4.1.1 Wake Characteristics in Current ... and 0.6 D offsets, for (a) Current only flow, (b) combined wave current flow at KC’ = 0.25, (c) combined wave current flow at KC’ = 0.35 Table 24 Standard deviation of surge responses of downstream ... would interfere with the kinematics of the other To quantify the dominance of either currents or waves in the wave current field on a cylinder, the ratio of the current flow (Uc) to the maximum...
Ngày tải lên: 10/09/2015, 15:54
Characteristics of flow in the wake region of a bluff vertical cylinder in the presence of waves,currents and combined wave current flows 3
... images of a single cylinder in currents only flow C = 75 mm/s, at time increments of T/10 Figure C7 PIV images of a single cylinder in currents only flow C =100 mm/s, at time increments of T/10 ... and currents of T = 0.7 s, H = 25 mm, C = 50 mm/s Figure D4 Y direction velocities measured at y = 0.6 D offset, at spacing of (a) ½ D, (b) D, and (c) ½ D for combined wave and currents of T=0.7 ... and currents of T = 0.7 s, H = 25 mm, C = 75 mm/s Figure D8 Y direction velocities measured at y = 0.6 D offset, at spacing of (a) ½ D, (b) D, and (c) ½ D for combined wave and currents of T=...
Ngày tải lên: 10/09/2015, 15:54
Characteristics of flow in the wake region of a bluff vertical cylinder in the presence of waves,currents and combined wave current flows 4
... plots of wave and currents run, C= 75 mm/s, T=0.7s, at time intervals of T’ (First 24T’ s of run Downstream cylinder spacing at x = ½ D, y = 0.6 D) Figure H3 Iso surface plots of wave and currents ... Appendix H Iso Surface Plots of Numerical Wave Tank Figure H1 Iso surface plots of wave and currents run, C= 50 mm/s, T=0.7s, at time intervals of T’ (First 24T’ s of run Downstream cylinder spacing ... intervals of T’ (First 24T’ s of run Downstream cylinder spacing at x = ½ D, y = 0.6 D) Figure H4 Iso surface plots of wave only run, T = 0.7s, at time intervals of T (First 24T’ s of run Downstream...
Ngày tải lên: 10/09/2015, 15:54
Mechanism and characteristics of photovoltaic responses in sandwiched ferroelectric plzt thin film devices
... Simulation results of the effect of εe1 and εe2 on the magnitude of peak photocurrent Jsc in PLZT thin films; (b) Simulation results of the effect of εe1 and εe2 on the thickness of peak photocurrent Lpeak ... measure of a material's ability to conduct an electric current and it is defined as the ratio of the current density J to the electric field strength E The photovoltage V (V=EL) is the product of ... estimation of thickness dependence of short circuit photocurrent in PLZT ferroelectric thin films This model is developed on the basis of bulk ferroelectric polarisation and in principle of current...
Ngày tải lên: 14/09/2015, 08:42
Current status and biological characteristics of giant freshwater prawn (macrobrachium rosenbergii de man, 1879) cultured in the brackish water environment
... deviation (min- max) I) Multiple regression analysis of the influence of technical factors to effectively of prawn culture systems Yield and profit of prawn farming systems in Tra Vinh province depended ... 144±61,3a Profit (million VND / / crop) Profit index (%) Percentage of households with profit(%) 86,0±80,2a 145±84,9a 100 56,0±94,2a 90,1±109a 86,4 65,0±84,0a 128±97,4a 80,0 Percentage of households ... parameters of prawns culturing in population 4.2.2.1 The survival rate of prawns after 120 days of culture The lowest survival rate of prawns was recorded in the control treatment at 0‰ of salinity,...
Ngày tải lên: 27/05/2016, 09:23
09 Physical and Chemical Characteristics of DDGS revisions.
... Chemical Characteristics of U.S DDGS Physical and chemical characteristics of distiller’s dried grains with solubles (DDGS) vary among sources and can influence its feeding value and handling characteristics ... (lightness of color) and b* (yellowness of color), with an increase in a* (redness of color) Similar results were also reported by Ganesan et al (2005) Table The Effect of the Rate of Solubles ... they evaluated color in batches of DDGS where approximately 0, 30, 60 and 100% of the maximum possible of syrup was added to the mash before drying Actual rates of solubles addition to the mash...
Ngày tải lên: 08/08/2012, 10:03
Static and Dynamic Analysis of Space frames
... installation of RM2000 and GP2000 Please always uninstall old program versions before installing a new program release! 1.2 Unit dependency of Import/Export of RM2000 Export and Import of RM2000 ... upgraded or the validity of a time limited version has expired New RM2000/GP2000 users as well as existing RM7 users must get a licence file from Tdv or one of the support offices in order to run ... calculation is numerically extended to cover more exactly “creep of creep” effects ( it is possible to decrease number of time steps ) Extensions of British Standard live load calculation Added possibility...
Ngày tải lên: 06/09/2012, 15:18
Static and Dynamic Analysis of Spaceframes
... Ownership of the program and the documentation remain with TDV Austria Use of the program and the documentation is restricted to the licensed users Unlicensed use of the program or reproduction of the ... point’ arrow at the top of the screen and the insert symbol Accept the default name Define the Connection Points Click on the intersection point of the CL’s at the bottom of each beam in the position ... load sets and the two loading cases (e.g.: L.C is a UDL of 10kN/m from Elem to Elem 20 and L.C is a Settlement of 0.001m at the beginning of element 1200.) Choose AddCon and insert the ‘Additional...
Ngày tải lên: 06/09/2012, 15:55
Static and Dynamic Analysis of Spaceframes
... 5-1 MATERIAL OF PRE-STRESSING TENDONS 5-2 DEFINITION OF TENDONS (TENDON PROFILES) 5-4 Creating New Tendon Profiles 5-4 Assignment of Structural Elements ... side of the screen #NODE Definition of nodes and their attributes #ELEMENT Definition of elements and their attributes #TENDON Definition of tendons and their attributes #SPECIAL Comparison of ... re-generate it A typical example of the application of macros is the generation of the Finite Element mesh for the computation of the cross-section properties of cross-sections with standard shapes...
Ngày tải lên: 06/09/2012, 15:55
Modeling the Statistical Time and Angle of Arrival Characteristics of an Indoor Multipath Channel
... vertical dB beam width of about 30◦ and null to null beam width of nearly 60◦ Using the modified antenna, a number of the sets of data were repeated A comparison of one of the data sets taken ... transmission and reflection characteristics of the walls and objects will be different, likely altering the amplitude characteristics of the channel However the temporal and angular characteristics will ... clusters and the arrival times of rays within clusters The time of arrival of each cluster is an exponentially distributed random variable conditioned on the time of arrival of the previous cluster...
Ngày tải lên: 20/11/2012, 11:32
Characteristics of hydrogen production from food waste and waste activated sludge
... amounts of food waste and sewage sludge were added in individual bottles Each bottle was supplemented with 200 mg of KH2PO4, 14 mg of MgCl2•4H2O, mg of Na2MoO4•4H2O, mg of CaCl2•2H2O, 2.5 mg of MnCl2•6H2O, ... Journal of Water and Environment Technology, Vol.1, No.2, 2003 and 0:100 for 3.0 and 5.0 % of total VS concentrations could not be conducted because of low VS concentration of sewage sludge 20 mL of ... Stoichiometrically, Clostridium sp can produce moles of hydrogen with mole of n-butyrate or moles of hydrogen with mole of acetate from mole of hexose In most cases using soluble defined substrates,...
Ngày tải lên: 05/09/2013, 08:40
Surface characteristics of acidogenic sludge in H2-producing process
... surface characteristics of H2-producing sludge in acidogenic fermentative process is available in literature Therefore, the main objective of this study was to explore the surface characteristics of ... using the software of Fractal Image Process System (FIPS) developed by the University Science and Technology of China The hydrophobicity of sludge was determined by measuring contact angle of sludge ... concentration of 25.0 g L-1 (Run 1) and pH 6.0, temperature 30.0oC, sucrose concentration of 20.0 g L-1 (Run 2), were respectively carried out to investigate the time evolution of the sludge surface characteristics, ...
Ngày tải lên: 05/09/2013, 09:08
Biological Alteration of Zinc Complexation Characteristics of Dissolved Organic Matter in Domestic Wastewater Treatment Plant Effluent under River Water Environment
... the first days of incubation period and became persistent This degradation of binding sites was also in line with the increment of labile Zn concentration during the first days of incubation Consequently, ... weeks of pre-incubation period, indicating the availability and activities of microorganism in river water However, as shown in Fig 3, there was no considerable change of DOC in the mixture of DOM ... of DOM of WWTP effluents and pre-incubated river water within the first week of incubation Slight DOC reduction (14%) was observed after one month of incubation In contrast to the results of the...
Ngày tải lên: 05/09/2013, 10:15
Evaluation of the Characteristics of Microorganisms that Contribute to Denitrification in the Paddy Drainage Treatment Apparatus by Quinone Composition Measurement
... Fig - Outline of the experimental field and the water treatment apparatus - 422 - Journal of Water and Environment Technology, Vol 8, No.4, 2010 Paddy field The characteristics of the paddy field ... (Miura et al., 2007) Evaluation of denitrification activity of microorganisms Batch experiments for the evaluation of DNR, and a quinone analysis for the evaluation of the microorganism community ... the electron transport chain for respiration of microorganisms The major type of quinone contained in each microorganism depends on the features of the microorganism (Collins’ and Jones, 1981)...
Ngày tải lên: 05/09/2013, 10:15
Characteristics of Leachate from Citrus Groves and their Changes in the Collecting Reservoirs in Matsuyama, Japan
... cultivation and the ratio of the increased amount of SS to the increased amount of Chl.a was higher than that of the algae Increased amount of SS were higher in the cases of high nitrate concentration ... part of Japan The western side of the region faces the Seto Inland Sea, around which are Fig.1 - Location of study area and distribution of citrus groves in Matsuyama region - 112 - Journal of ... more of the potential of the denitrifying activity was exploited The dissolution rate of organic matter from the sediment was sufficient, and limitation of denitrification caused by depletion of...
Ngày tải lên: 05/09/2013, 10:17