... the defect formation energies of transition metals in ZnO nanowires and bulk, and the magnetic coupling propertiesof the TMs in the two systems A brief summary of the letter is given in Sect ... theoretical analysis To further understand the origin of ferromagnetism of TMs in the ZnO nanowire, we also plot the density of states (DOS) of 3d levels of the FM and AFM states in Fig for the two Cr ... DMSs is important for their applications, it is of great interest to investigate the chemical trends of defect formation and magnetic couplings of TMs doped in the ZnO nanowire theoretically In...
... number of k-points for the infinite number of electrons Bloch theorem resolves the problem of calculating an infinite number of electronic wave functions to the one of calculating a finite number of ... Total DOS of ideal AlN (a) and total DOS of Mg doped AlN (b) 41 xiv 3.3 Isosurface spin density plot of Mg doped AlN, yellow color represents the net spin density (a), PDOS of sum of N atoms ... 42 44 Total DOS of K doped AlN (a), isosurface spin density plot (b), PDOS of sum of N atoms surrounding K and K atom (c), and schematic energy level diagram of defect levels of K-N cluster (d)...
... incorporation of Al2O3 and propertiesof Al/Al2O3 composite (d) Phase IV – Investigate the effect of reinforcement size on the resultant propertiesof Al/Al2O3 composite A summary of the materials ... microstructure and propertiesof pure Al (b) Phase II – Investigate the effect of extrusion ratio on the microstructure and propertiesof pure Al (c) Phase III – Investigate the effect of magnesium ... interfaces This process combines the advantages of ease of processing a wide variety of matrix metals, and the control of orientation and volume fraction of the fibers The main problems associated...
... operations Chapter 7- Propertiesof Convolution 127 2.0 a Original signal Amplitude 1.0 0.0 -1.0 FIGURE 7-3 Example of calculus-like operations The signal in (b) is the first difference of the signal ... curve of the form: sin(x)/(x) , is used to separate one band of frequencies from another c Sinc 0.3 Amplitude Amplitude 0.3 0.2 0.1 0.0 -0.1 -20 -15 -10 Sample number Chapter 7- Propertiesof Convolution ... affect any of the output signal values As shown by the examples in Fig 7-6, the impulse response of a causal system must have a value of zero for all negative numbered samples Think of this from...
... summary of the independent parameters the modified foaming apparatus FOAMING PROPER TIES used far experi- Nature Fixed Diameter Porosity Volume Volume Mass ofof sparging disc of sparging disc of ... = Tw Did = = percent of gas initially in 70 ml of foam (gas Flow Rate) - ml/min of nitrogen time to fill the column with foam volume of liquid in the foam initially volume of liquid drained from ... characteristics of protein i.e the foaming capacity of protein and the stability and strength of the foam Foaming ability i.e Gi denotes the amount of gas retained in the foam reflecting the potential of...
... University of Bari in 1979 University Researcher at the of Engines and Energy Institute of the Faculty of Engineering at the University of Bari from 1983 to 1987 Associate professor of Technical ... measure of conductance The analyses, done in the laboratory of Technical Physics of the Polytechnic of Bari, were performed on some samples of calcarenite sandstone and calcareous stone of Fasano ... typologies of building wall: a wall in blocks of calcarenite sandstone assembled with mortar, typical of the constructions of "Sassi of Matera," and a masonry made with dry calcareous stones of Fasano,...
... Figure Effect of time of heatsetting on the linearity of load extension in weft direction of knitted Ingeo™ Poly (lactic acid) Figure Mean effect of time of heatsetting on the linearity of load extension ... Increasing time of heatsetting had effect on tensile propertiesof PLA at varying times of 30s to 90s at temperature of 130°C Optimum effect on tensile properties occurred at times of 30 – 45s PLA ... [PLA] Figure Mean [Ā] of effect of time of heatsetting on the tensile extension EM [%] of Ingeo™ Poly (lactic acid) 3.2 Linearity of load extension curve LT [-] The linearity of load extension curve...
... pH Because most of the chemical and biochemical reaction are influenced by the pH it is of great practical importance The adverse affect of most of the acids appear below and of alkalis above ... quality criteria of an aquatic system In the system where rate of respiration and organic decomposition are high ,the DO values remain lower than those of system where the rate of photosynthesis ... growth and activities of microorganism 3.6 Biological Oxygen demand It has been used as a measure of the amount of organic materialism an aquatic solution which support the growth of microorganism...