applications in materials engineering

... Analysis: Applications in Materials Engineering Leszek Wojnar © 1999 by CRC Press LLC Library of Congress Cataloging -in- Publication Data Wojnar, Leszek Image analysis applications in materials engineering ... Poland His research interests are in image analysis, stereology and materials engineering He is affiliated with the Polish Society for Materials Engineering, the International Society for Stereology ... called SKIZ (SKeleton by Influence Zones) Let us imagine a set of points in the image The influence zone of a given point is a set of all the points lying closer to this point than to any other...

Ngày tải lên: 05/06/2014, 11:49

... starting point of finding stronger materials finding high performance materials Over a few recent decades, advanced materials such as smart materials, multi-functional materials and sustainable materials ... Bio-inspired self-healing materials with tubular systems The idea of using tubular system for self-healing material was first come in 1992 when researchers in civil engineering were trying to find ... capability to create self-healing polymer composites, tubular system is a more approachable method for applications in civil engineering area In civil engineering applications using mortar and concrete,...

Ngày tải lên: 09/09/2015, 18:54

... Biomedical Engineering is an interdisciplinary and emergent area that combines engineering with life sciences The idea of this book is to provide the reader with recent advances and applications in Biomedical ... Parkinson's disease [58], essential tremor [59] and to distinguish tremulous parkinsonian patients with normal presynaptic dopaminergic 18 Practical Applications in Biomedical Engineering imaging ... applications in Biomedical Engineering in three particular fields of interest: Biomedical Signal Processing and Modelling, Biomaterials and Prosthetic Devices, and Biomedical Image Processing The book is...

Ngày tải lên: 29/03/2014, 21:20

... Advances in Process Systems Engineering – Vol STOCHASTIC GLOBAL OPTIMIZATION Techniques and Applications in Chemical Engineering 7669 tp.indd 4/22/10 10:35:38 AM Advances in Process Systems Engineering ... their applications in Chemical Engineering After reviewing the Chemical Engineering applications of GAs, Younes et al., explain the main components of GAs and discuss implementation issues Finally, ... Biomolecular Engineering and the National University of Singapore for encouraging and supporting my research over the years by providing ample resources including research scholarships Finally, and...

Ngày tải lên: 01/04/2014, 11:36

... logarithm base ten MATLAB Applications in Chemical Engineering James A Carnell, August 2003 MATLAB Applications in Chemical Engineering James A Carnell, August 2003 Time (Minutes) 12 15 18 21 Concentration ... begin with, the symbolic variables within the expression must be defined within MATLAB as symbolic variables This is done using the syms command In the MATLAB Applications in Chemical Engineering ... a list of available markers for plotting MATLAB Applications in Chemical Engineering James A Carnell, August 2003 MATLAB Applications in Chemical Engineering James A Carnell, August 2003 Y Y...

Ngày tải lên: 24/04/2014, 20:45

... rule-based learning plays in software engineering It provides some background information, discusses the key issues in rule induction, and examines how rule induction handles uncertainties in data The ... decades have witnessed an increasing interest, and some encouraging results and publications in machine learning application to software engineering As a result, a crosscutting niche area emerges ... following is a TEAM LinG x partial list of software engineering areas where machine learning applications have found their way into: • Predicting or estimating measurements for either internal or external...

Ngày tải lên: 01/06/2014, 01:23

... collects original and innovative research studies on recent applications of Finite Element Analysis in mechanical engineering through original and innovative research studies exhibiting various investigation ... complex engineering and physical science problems In the past few decades, the FEA has been developed into a key indispensable technology in the modeling and simulation of various engineering systems ... the InTech editorial staff, in particular, Oliver kurelic for indispensable technical assistance in book preparation and publishing Dr Farzad Ebrahimi Faculty of Engineering Mechanical Engineering...

Ngày tải lên: 29/06/2014, 12:20

... transmitted in any form or by any means, electronic or mechanical, including photocopying, microfilming, and recording, or by any information storage and retrieval system, without permission in writing ... of Chemical Engineering, University of Castilla– La Mancha, Ciudad Real, Spain H H Shan College of Chemistry and Chemical Engineering, University of Petroleum, Dongying, Shandong Province, People’s ... China Q M Yuan College of Chemistry and Chemical Engineering, University of Petroleum, Dongying, Shandong Province, People’s Republic of China B Y Zhao College of Chemistry and Chemical Engineering, ...

Ngày tải lên: 11/08/2014, 12:21

... increase in N2 , CO2 , and H2 O concentrations The former reflects an increase in the conversion of NO and C3 H6 reactants; the latter indicates an increase in product formation To gain an insight into ... was placed in the IR beam path inside the IR reactor cell, and the others were broken down into flakes and placed in the close vicinity of the IR beam path The MS determined the changes in the concentration ... vicinity of the catalyst sample in the infrared reactor cell, as shown in the inset of Figure One-hundred-mg catalysts were pressed into three to four thin disks, each weighing 25 mg, by a hydraulic...

Ngày tải lên: 11/08/2014, 12:21

... observed that the increase in Cu loading in the PILC-based catalysts resulted in an increase in CuO aggregates (Table 3) In a study of the reducibility and catalytic activity in propane oxidation ... species in Cu-MFI-based catalysts resulted in a substantial increase in propane conversion as well selectivity to CO2 This fact would explain the decided decrease in NO conversion with increasing ... but in this case the corresponding maximum appeared at 523 K It was observed that increasing the copper loading increased NOx conversion until the copper loading reached 116% ion exchange in the...

Ngày tải lên: 11/08/2014, 12:21

... the Π bonding in the majority spin and the LUMO is the Π antibonding in the minority spin (b) SO (singlet, C 2v ) (c) SO (singlet, C 3v ) TM Copyright n 2003 by Marcel Dekker, Inc All Rights ... are shown in Figure 1a From the frontier orbital point of view [20], these single-particle orbitals should be considered the most active ones in most kinds of chemical reactions, including surface ... in engine-out exhaust affected the reactivity of the three-way catalysts It was demonstrated that by increasing the sulfur concentration in gasoline from zero to 0.03 wt%, one observed lowering...

Ngày tải lên: 11/08/2014, 12:21

... determine exactly whether it is via adsorbing and cracking sulfides in the feed or via adsorbing and cracking those in the gasoline produced For FCC, most cracking reactions take place at the instant ... 2003 by Marcel Dekker, Inc All Rights Reserved Gasoline Desulfurization via Catalytic Cracking 79 Cracking of Sulfides in FCC Gasoline over a Catalyst of Gasoline Tracking Desulfurization USY ... was collected via the drainingwater method Distilling the liquid product, we obtained the gasoline The gas and the gasoline were all analyzed with the HP5890 to obtain the hydrocarbon composition...

Ngày tải lên: 11/08/2014, 12:21

... recorded in this study Exchange with the zeolitic indigenous Naϩ ions and siting within the aluminosilicate framework must necessitate some weakening of the ion–dipole interactions between the in- going ... with cations in external solution An increase in exchange temperature enhanced HM removal by reducing the solvation coating and kinetic diameter of the ingoing HM cation, facilitating exchange ... Dekker, Inc All Rights Reserved 98 Keane linked by sharing rings of 12 tetrahedra (free diameter ϭ 0.7–0.8 nm); (2) the less accessible sodalite units, which are linked through adjoining rings...

Ngày tải lên: 11/08/2014, 12:21

... effective in the gold heap leachate solutions by selectively reducing mercury levels from an initial concentration of 34.5 ppm to 0.014 ppm within 10 minutes and to 0.008 pm within 15 minutes [20] In ... is initially titrated into aqueous divalent heavy metal solutions The pH decline associated with the precipitation of the divalent metals (M2ϩ) is explained by the following reaction involving ... Stoichiometric Stoichiometric 10% dose increase 10% dose increase 10% dose increase Stoichiometric Stoichiometric Stoichiometric 10% dose increase 10% dose increase 10% dose increase Stoichiometric Stoichiometric...

Ngày tải lên: 11/08/2014, 12:21

... strong inhibitory effect of water content can be interpreted as water-aided interruption of inter- and intramolecular contacts in the soil upon oil sorption An increase in K d when increasing the ... which could be interpreted as a limiting saturation in the instantaneous sorption The data for sample I lie slightly below the three points observed for sample III, indicating a retarding effect ... main interaction is then with mineral surfaces, which may cause consequent partitioning; therefore, the reduction in soil clay contents results in an inhibitory effect on the oil sorption to mineral...

Ngày tải lên: 11/08/2014, 12:21

... driven mainly by hydrogen binding interactions, e.g., the presence of certain surface functionalities: O, OH, and Cl can act as nucleation sites and/ or adsorption sites, resulting in the formation ... of an activated carbon was intimately linked to the surface acidity of the adsorbent [92] Carbon materials in their pristine form are hydrophobic in nature but, following oxidative treatment, can ... of a constant flow is energy demanding, and flow disruptions/plugging can impair an effective processing of contaminant streams A significant improvement in existing activated carbon–based VOC treatments...

Ngày tải lên: 11/08/2014, 12:21

... given data point and the two data points preceding and following the central point Average effective pQ values can then be calculated by averaging the values obtained from twice solving two equations ... adjacent data points) This suggests two possible methods for improving the accuracy in estimating pQ values with these methodologies: (1) increasing the number of data points by decreasing the quantity ... averaging the values tended to minimize extreme estimates of Q a behavior The procedure of solving Eq (9) twice with three consecutive data points and averaging the results will be used in this...

Ngày tải lên: 11/08/2014, 12:21

... Destroying VOCs 217 to water vapor, and supporting Pt on a hydrophobic support such as a fluorinated carbon can reduce the inhibiting effect of water, but inhibition is still observed [13] In combination ... catalyst in flowing 4% water/air over the temperature range 100–600°C is shown in Figure The results indicated that even at 600°C no change in the initial U O phase occurred Some thermal broadening ... temperature in the first saturator and then reduced by passing through the second saturator maintained in a thermostatically controlled bath The water concentration was calculated using water vapor...

Ngày tải lên: 11/08/2014, 12:21

... has been viewed in terms of an E1 elimination mechanism, where the chlorine component interacts with the catalyst with electron withdrawal, weakening the C– Cl bond and inducing intermediate carbocation ... predominant in the case of the trichlorobenzenes, in keeping with the deactivating effect of the additional Cl substituent The attractive feature of catalytic hydrodechlorination in terms of treating ... hydrodechlorination over incineration Incorporation of catalytic hydrodehalogenation units in distillation/separation lines is envisaged with a HCl recovery unit, where HCl absorption into an aqueous...

Ngày tải lên: 11/08/2014, 12:21

... potential gradient that has formed from band bending (Fig 2) This band-bending phenomenon assists in separating the eϪ /hϩ pairs and in reducing recombination rates For TiO2, the surface holes oxidize ... with the resulting arrays being distinguisable by different-size particles and different interparticular spacing In Figure 8, each island is approximately nm high and about 140 nm in diameter, ... low-coordination surface atoms of unique local geometry and bonding, which may also lead to substantial surface relaxation, reconstruction, or faceting In TiO2 single crystals, these low-coordination...

Ngày tải lên: 11/08/2014, 12:21