experimental determination of thermodynamic quantities and phase diagrams
Liquid phase microextraction for the determination of acidic drugs and beta blockers in water samples
Ngày tải lên :
10/11/2015, 11:00
... phase ratio (volume of acceptor phase to volume of donor phase) distribution ratio between donor phase and organic phase as well as between organic phase and acceptor phase Equations 2.5 and ... Extraction yield vs stirring speed of NSAIDs and clofibric acid Two -phase LPME extraction profile vs extraction time of NSAIDs and clofibric acid Chromatograms of NSAIDs and clofibric acid (at 10ppb) in ... concentration of analyte A in donor phase, organic phase and acceptor phase are denoted by [A] aq1, [A] org, [A] aq2, respectively Given that the volume of donor phase, organic phase and acceptor phase...
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An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs
Ngày tải lên :
05/09/2013, 16:10
... inclined rib with relative gap position of 0.25 and relative roughness pitch of 8.0, with an angle of attack of 60º and with relative roughness height of 0.037 performers better then the other ... sheet arrangement for PIV measurement of single rib Results and discussion The results of experimental investigation of heat transfer and flow characteristics of the roughened ducts are presented ... B.V., Schabacker, J., and Boles, A., Experimental and numerical study of developed flow and heat transfer in coolants with channels with 45 degree ribs”, Int Journal of Heat and fluid flow, 20,...
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molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:55
... move out of the target with a velocity of about a thousand meters per second -100 10 15 20 Tim e (ps) 25 30 Figure 10 (a) Depths of the solid melted and vaporized, and (b) rate of melting and evaporation ... the surface of the target by scaling velocities of atoms in cells on the top surface, and the same amount of heat flux is dissipated from the bottom of the target by scaling velocities of atoms ... target and expressed as dI = − I (z ) / τ dz (13) certain range between the solid and the liquid, which is shown as the co-existence of the peak and the high base of the number density of atoms...
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molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:57
... move out of the target with a velocity of about a thousand meters per second -100 10 15 20 Tim e (ps) 25 30 Figure 10 (a) Depths of the solid melted and vaporized, and (b) rate of melting and evaporation ... the surface of the target by scaling velocities of atoms in cells on the top surface, and the same amount of heat flux is dissipated from the bottom of the target by scaling velocities of atoms ... target and expressed as dI = − I (z ) / τ dz (13) certain range between the solid and the liquid, which is shown as the co-existence of the peak and the high base of the number density of atoms...
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molecular dynamics simulation of heat transfer and phase change during
Ngày tải lên :
06/05/2014, 08:59
... move out of the target with a velocity of about a thousand meters per second -100 10 15 20 Tim e (ps) 25 30 Figure 10 (a) Depths of the solid melted and vaporized, and (b) rate of melting and evaporation ... the surface of the target by scaling velocities of atoms in cells on the top surface, and the same amount of heat flux is dissipated from the bottom of the target by scaling velocities of atoms ... target and expressed as dI = − I (z ) / τ dz (13) certain range between the solid and the liquid, which is shown as the co-existence of the peak and the high base of the number density of atoms...
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Báo cáo hóa học: " Dual-task costs while walking increase in old age for some, but not for other tasks: an experimental study of healthy young and elderly persons" pdf
Ngày tải lên :
19/06/2014, 08:20
... the mean ± standard deviation of DTC in young and elderly subjects, and the t-scores of t-tests, with n.s., *, and *** denoting p > 0.05, p < 0.05, and p < 0.001 Table 2: Summary of experimental ... years of age, female and male) and fifteen older subjects (67.2 ± 3.6 years of age, female and male) participated in Exp A Sixteen younger (22,4 ± 1.6 years of age, female and 10 male) and sixteen ... their left, and a pen in their right hand A paper sheet on the clipboard displayed pairs of boxes, arranged in three columns of 25 rows One box of each pair was grey and the other white, and their...
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báo cáo hóa học:" Research Article Determination of Nonprototypical Valence and Arousal in Popular Music: Features and Performances" potx
Ngày tải lên :
21/06/2014, 18:20
... roll off, and spectral flux Subband features were octave-based (7 subbands from to kHz) and consist of the minimum, maximum, and average amplitude value for each subband The root mean square of an ... precision (pre), and mean recall (rec) for training with the training and development instances of AllInst, and testing on those of AllInst, Min2/4, and Min3/4 NoLyr feature set, V3 and A3 tasks, ... valence and arousal was measured for the raters B and C, and not too strong such for raters A and D (cf right most coloumn in Table 5), the agreement of raters seems to be found mostly in favour of...
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Báo cáo hóa học: " Research Article Experimental Evaluation of Adaptive Modulation and Coding in MIMO WiMAX with Limited " docx
Ngày tải lên :
22/06/2014, 06:20
... NOFDM sum (7) where G (1/4 in our measurements) corresponds to the ratio of cyclic prefix time and useful OFDM symbol time, Ndata (44 in our measurements) is the number of OFDM data symbols, NOFDM ... measurements, we chose a channel bandwidth of MHz For this channel bandwidth, the WiMAX standard defines a sampling rate of Ts = 1/5.76 MHz The 5.76 MHz total signal bandwidth emerging from this sampling ... scenario measured) (ii) Receiver and transmitter are synchronized by means of rubidium frequency standards and a LAN connection (iii) The carrier frequency is 2.5 GHz; the bandwidth is MHz (iv) The two...
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Báo cáo vật lý: "SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF Pb(II) AND Cd(II) USING ARTIFICIAL NEURAL NETWORKS" potx
Ngày tải lên :
07/08/2014, 14:20
... processing and modeling structure of protein.8–10 Rezaie et al.7 has studied the simultaneous determination of cobalt(II) and nickel(II) based on formation of their complexes with pyrolidine and carbon ... layer and 60 neurons in the hidden layer was successfully applied in simultaneous determination of Co(II) and Ni(II) The aim in this study was the simultaneous determination of Pb(II) and Cd(II) ... Stock standard solution (1000 mg/l) of Pb(II) and Cd(II) was prepared by dissolving 1.1261 g of Pb(NO3)2 (Fluka AG) and 1.0271 g of Cd(NO3)2 4H2O (Hamburg) in 1000 ml volumetric flasks and diluted...
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Báo cáo khoa học: "Experimental reproduction of proliferative enteropathy and the role of IFN-gamma in protective immunity against Lawsonia intracellularis in mice" pdf
Ngày tải lên :
07/08/2014, 18:21
... deifitnedi AND pb-913 cificeps)B( lortnoc evitisop a ,7 ;IP 41 yad ,6 ;11 yad ,5 ;9 yad ,4 ;7 yad ,3 ;5 yad ,2 ;3 yad ,1 ;rekram AND pb-001 dradnats ,M :senaL secef eht ni RCP yb deifitnedi AND pb-913 ... 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 ... detroppus saw krow sihT stnemgdelwonkcA snoitcefni tsniaga ytinummi evitcetorp a fo noitcudni eht rof γ-NFI fo ecnatropmi eht deilpmi stluser esehT enitsetni egral eht ni snoisel EP fo tnempoleved...
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Báo cáo khoa học: "Experimental infection of chickens, ducks and quails with the highly pathogenic H5N1 avian influenza virus" docx
Ngày tải lên :
07/08/2014, 23:22
... chickens and quails showed 100% mortality with MDTs of 5.3 and 7.5 days, respectively (Table 1) 55 4, 6, 7, and 10 DPI All three avian species shed virus into their oropharynx and cloaca and the ... distribution of the virus in the intranasally infected chickens, ducks and quails, we collected samples of the lung, brain, kidney and heart from the chickens and quails that died on and 4-5 DPI, ... characteristics of A/ Chicken/Korea/IS/06, which was isolated from the index case of the 2006/2007 H5N1 HPAIV outbreak in Korea We experimentally infected chickens, ducks and quails and examined...
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Báo cáo sinh học: "An experimental study of Quartets MaxCut and other supertree method" pot
Ngày tải lên :
12/08/2014, 17:20
... datasets had 100, 500 and 1000 taxa, and came in two types: (1) mixed source trees, consisting of one scaffold dataset (produced by a random selection of taxa from the entire dataset) and many clade-based ... on software and commands used) Because MinFlip, RFS, and PhySIC require that the source trees be rooted, we rooted each source tree at the midpoint of the longest leaf-to-leaf path (a standard ... density vs QMC-based and MRP FN rate False Negative (FN) error rates and error bars of QMC variants and gMRP on mixed source tree datasets with 100, 500, and 1000 taxa, as a function of the scaffold...
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Simultaneous determination of sildenafil, vardenafil and tadalafil as forbidden components in natural dietary supplements for male sexual potency by high performance liquid chromatography–electrospray ionization
Ngày tải lên :
02/09/2015, 13:06
... greatly when gradient mobile phase was employed and the resolution of sildenafil and vardenafil decreased And the ionization of all analytes was greatly suppressed, sildenafil and tadalafil gave no signal ... equipped with an ESI probe and quadrupole analyzer The control of system and data acquiring was performanced with Masslynx3.5 workstation (Waters) The standards of sildenafil and tadalafil were obtained ... flask, mixed and diluted to volume to yield a mixed standard solution Then, 5, 2, 1, 0.5, and 0.1 ml of the mixed standard solution were transferred to five 10-ml volumetric flasks, and diluted...
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Experimental determination of the nuclear magnetic octupole moment of 137ba
Ngày tải lên :
09/09/2015, 11:20
... to coupling between the field and the ion’s motion and a phase term φ(t) associated with the phase fluctuations of the field In the specific case of the rf transitions, phase noise is not an issue ... dependence of the mF states of the F = and F = states is mapped out and is shown in Fig 2.2 Note that, even for small magnetic fields, there is a significant amount of mixing between the F = and F = ... generosity and knowledge I owe a debt of gratitude to Singapore itself and more importantly, the people that make up Singapore This small island, located on the equator, is full of wonderful people and...
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Decision model for determination of adaptation potential and renewal action for public housing in singapore
Ngày tải lên :
10/09/2015, 08:24
... space (a land area of 712.4 sq km) and limited natural resources, and heavily depends on imported energy and water For instance, it imported 99.84% of energy (The World Bank, 2009) and 40% of water ... planning and design of estates; construction of public flats and related facilities; sale or rental of public units along with the provision of mortgages; preservation of the resulting estates; and ... low scale of change refers to minor repair of a building; 2) substantial scale of change could mean major repair of a building; and 3) drastic scale of change refers to reconstruction of a new...
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Analysis and determination of cogging torque and unbalanced magnetic forces in permanent magnet spindle motors for hard disk drives
Ngày tải lên :
15/09/2015, 22:03
... thousands of hours, and tolerate thousands of start and stop cycles without failing Second, it must be able to run smoothly with minimum vibration, due to the tight tolerances of the platters and ... orginal design and the optimal design 169 Table 6.5 Determination of cogging torque period (p = 3) 170 National University of Singapore IX List of Tables Table 6.6 Determination of cogging ... University of Singapore t (2.10) the slot pitch, and 23 Chapter2 Review on Computer Modeling and Analysis of PM Brushless DC Motors half of the peak value of flux reduction in the center of the slot...
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Crystal structure determination of KREMEN1, DICKKOPF1 and MeCP2
Ngày tải lên :
04/10/2015, 10:23
... involving back-transformation of the modified electron-density map to give modified phases, recombination of these phases with the experimental phases and calculation of a new map which is then ... structure determination of Krm1, Dkk1FL and the Krm1-Dkk1Cys2 complex We have been able to express and purify one of the crucial domains of Dkk1 from Mus musculus, proved to be necessary and sufficient ... STRUCTURE DETERMINATION OF KREMEN1, DICKKOPF1 AND MeCP2 VINDHYA B.N.REDDY A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF BIOLOGICAL SCIENCES NATIONAL UNIVERSITY OF SINGAPORE...
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STATISTICAL MOMENT DETERMINATION OF THERMODYNAMIC PROPERTIES OF BILAYER GRAPHENE
Ngày tải lên :
31/10/2015, 10:43
... supplementary forces αi and upper huts represent operrators The supplementary forces αi are acted in the direction of the generalized coordinates qi The thermodynamic quantities of the anharmonic ... the derivative of internal energy E with respect to the temperature T and is given by: ∂E CV = kB (12) ∂θ III NUMERICAL RESULTS AND DISSCUSION STATISTICAL MOMENT DETERMINATION OF 253 Fig The ... DETERMINATION OF 255 the statistical moment method really permits an investigation of temperature dependece of bilayer graphene The SMM results are in good agreement with other caculations and...
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2 4 crystal growth and phase diagrams
Ngày tải lên :
30/11/2016, 13:36
... Andalusite One and two component phase diagrams Several types of 2-component diagrams One component diagrams Fields – where only one phase (mineral) is stable Lines – where two phases are ... phases are stable One component diagrams If P and/ or T changes One phase converts to another Examples: H2O – component; ice, water, and vapor are phases Al SiO – component; Kyanite, Andalusite, ... Components and Phases Component – Chemical entity H2O Al2SiO5 Phase – physically separable part of a system; e.g for H20: ice, water, water vapor for Al2SiO5: Sillimanite, Kyanite, Andalusite...
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