properties and applications of dendritic polymers

... by Use of Nickel and Tantalum from a Materials Science Point of View 171 Yu Cao and Lars Nyborg Other applications: Electrical, Structural and Biomedical 195 Properties and Applications of Ceramic ... termination of photo-excitation After (a Savchenko et al., 2009) 10 Properties and Applications of Silicon Carbide Illumination of the samples with interband light of wavelength ... for a variety of applications. In this book, we explore an eclectic mix of articles that highlight some new potential applications of SiC and dierent ways to achieve specic properties. Some

Ngày tải lên: 20/06/2014, 04:20

... instant of time. The value of the first derivative was calculated as the right-hand side of rate equations (3), and that of the second derivative, as the derivative of the right- hand side of Eqs. ... instant of time. The value of the first derivative was calculated as the right-hand side of rate equations (3), and that of the second derivative, as the derivative of the right- hand side of Eqs. ... charge states of ISi and IC in 4H-SiC are the same as those in 3C-SiC, the ranges of m and n in Eqs (1a) and (2a) are limited to m ∈ {0, 1, 2, 3, and 4} and n ∈ {0, ±1, and 2} Boron

Ngày tải lên: 20/06/2014, 04:20

... ASPECTS ON FUNDAMENTS AND APPLICATIONS OF CONDUCTING POLYMERS Edited by Artur de Jesus Motheo           Aspects on Fundaments and Applications of Conducting Polymers Edited by ... subjects: the use of conducting polymers to minimize metallic corrosion, different points of view on the use of conducting polymers in various sensors, the use of conducting polymers to obtain ... online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Aspects on Fundaments and Applications of Conducting Polymers,

Ngày tải lên: 29/06/2014, 09:20

... VIII LIST OF TABLES Table 2.1 Summary of photophysical and electrochemical properties of compounds 24, 2-5 and 2-6…………………… .………………………………………………….35 Table 3.1 Summary of photophysical and electrochemical ... SYNTHESIS, PHYSICAL PROPERTIES AND APPLICATIONS OF BISANTHENE-BASED NEAR INFRARED DYES AND SEMICONDUCTORS LI JINLING (B.Sc., SOOCHOW UNIVERSITY) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... electrochemical properties of ODI and ODICN……………………………………………………………………………………59 Table 3.2 Characteristics of ODI-CN based FET devices………………… .…… 65 Table 4.1 Photophysical and electrochemical data of compounds

Ngày tải lên: 10/09/2015, 08:38

... INVESTIGATION OF NEW PROPERTIES AND APPLICATIONS OF QUADRUPLEX DNA AND DEVELOPMENT OF NOVEL OLIGONUCLEOTIDEBASED TOPOISOMERASE I INHIBITORS WANG YIFAN NATIONAL UNIVERSITY OF SINGAPORE 2008 ... of the distinctive properties of DNA is the elastic properties of double strand DNA (dsDNA) which leads to desired bending... Polymorphism of G -quadruplex Structures One of ... Structure of DNA 10 10 1.3.1. Discovery of i-Motif Form of DNA 11 1.3.2. Stoichiometries and Topologies of i-Motif DNA 11 ii 1.3.3. Possible Biological Role of i-Motif Structure of DNA

Ngày tải lên: 11/09/2015, 16:04

... A STUDY OF PROPERTIES AND APPLICATIONS OF CONTROL CHARTS FOR HIGH YIELD PROCESSES PRIYA RANJAN SHARMA (B Eng., REC, Jalandhar, India) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... National University of Singapore for offering me a Research Scholarship and President’s Graduate Fellowship, and the Department of Industrial and Systems Engineering for the use of its facilities ... credit and others who lend their invaluable support and guidance, and remain unknown The successful completion of this dissertation, also, was made possible only with the support and guidance of

Ngày tải lên: 15/09/2015, 20:57

... band gap of polyarylenes was a strong function of molecular geometry.15 Often,... nearly vertical to the azulene ring The 248 torsion angle of the seven-membered ring of azulene and ... (2,6-direction) of azulene because of the large dipole moment and large hyperpolarizability of azulene This is why a large red-shift of. .. model compounds of this series polymers were ... were prepared and studied 240 R Ar R Ar Ar R (a) Ar R (b) Figure 8-1 The resonance structure and quinoid structure of azulene On the other hand, the properties of conjugated polymers such

Ngày tải lên: 17/09/2015, 17:19

... Figure 6-13. Thermogram of (a), P3 and its hybrids, (b), P4 and its hybrids. Optical and electrical properties studies The UV/vis absorption spectra of our polymers and hybrids are shown in ... understand the physical properties of the copolymers we obtained in Chapter 3, we designed and synthesized a series of monomers and oligomers as model compounds for the corresponding copolymers ... optical and electrochemical properties of corresponding polymers was found in their corresponding polymers studies. To illustrate it, the conductivity of Polyb was found to decrease one-tenth of the

Ngày tải lên: 17/09/2015, 17:19

... candidates because of their high thermal and environmental stability both in neutral and doped states, variety of molecular designs and wide range of potential applications. The properties of ... and properties of the polymers in order to meet the specific requirements of each type of envisioned application. 1.1. The conductivities of conjugated polymers The most important aspect of ... Figure 1-1. Comparison of Conductivities (a), of conducting polymers compared to those of other materials; and (b), of different conducting polymers. 1.2. Mechanism of Polymer Conductivity

Ngày tải lên: 17/09/2015, 17:19

... STRUCTURES, PROPERTIES, AND APPLICATIONS OF SOLUBLE POLYAZULENE AND AZULENECONTAINING COPOLYMERS WANG FUKE (M Sc, Fudan Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ... conductivities of conjugated polymers 1.2 Mechanism of Polymer Conductivity 1.3 Electrical Conductivity Measurement 11 2. Conjugated polymers band gap engineering 12 2.1 Band-gap of conjugated polymers ... xi Glossary of Symbols xix Glossary of Abbreviations xxi List of publications xxiii Table of the prepared compounds and polymers xxiv Chapter introduction 1. Conducting polymers 1.1

Ngày tải lên: 17/09/2015, 17:19

... STUDIES OF NEW PROPERTIES AND APPLICATIONS OF G-QUADRUPLEX DNA NG TAO TAO MAGDELINE B.Sc. (Hons.), NUS A THESIS SUBMITTED FOR THE DEGREE OF THE MASTER OF SCIENCE DEPARTMENT OF CHEMISTRY NATIONAL ... replication. The degradation of the primer on the lagging strand and the action of a putative 5' to 3' exonuclease lead to shortening of the 5' end of the telomere and the formation of a 3'-end overhang ... G-Quadruplexes. (A) All strands parallell. (B) Three parallell strands and one strand antiparallell. (C) Two pairs of adjacent parallell strands. (D) Alternating antiparallell strands. Arrows indicate

Ngày tải lên: 16/10/2015, 12:00

... of Contents TABLE OF CONTENTS ACKNOWLEDGEMENTS TABLE OF CONTENTS STATEMENT OF RESEARCH PROBLEM SUMMARY LIST OF TABLE LIST OF FIGURES AND ILLUSTRATIONS LIST OF SYMBOLS AND ABBREVIATIONS LIST OF ... because of low solubility of ions • Adhesion of the coating • Blocking of ionic paths of the local anode and cathode along the metal/polymer interface • As a vehicle of corrosion active pigments and ... consist of any of these stoichiometric, crystalline oxides including γ-Fe2O3, Fe3O4 and Fe2O3.H2O All of the Mossbaur parameters match those of amorphous iron(III) oxides, iron containing polymers and...

Ngày tải lên: 16/09/2015, 15:55

... mechanism of SiC by comparing it with that of Si 78 Properties and Applications of Silicon Carbide Experimental procedure ¯ 4H-SiC (0001) C-face and (0001) Si-face epitaxial layers with 8◦ off-angles ... Si+3HCl Chlorination of SiH3: SiH3+3HCl  SiHCl3+ (5/2)H2 (6) 62 Properties and Applications of Silicon Carbide Chlorination of SiH3CH3: SiH3CH3+3HCl  SiCl3CH3 + 3H2 (7) Chlorination of Si2H6: Si2H6+6HCl ... involves first Step (A) and then the repetition of Steps (B) and (C) Figure is the process for low temperature deposition and evaluation of the film, consisting of Steps (A), (D) and (E) Step (D) is...

Ngày tải lên: 20/06/2014, 04:20

... FM- and AFM-ordered supercells containing a pair of TM 104 Properties and Applications of Silicon Carbide atoms This is the amount of energy needed to flip the spin of one of these atoms and ... bandgap diluted magnetic semiconductors, including a family of III-nitrides and ZnO, had spun a great deal of interest to magnetic properties of these materials The resulting 90 Properties and ... understanding and prediction of the properties of this complex class of materials Silicon carbide is another wide bandgap semiconductor which has been considered a possible candidate for spin electronic applications...

Ngày tải lên: 20/06/2014, 04:20

... features of the equation of state of solids J Phys.: Condens Matter, 1, pp 1941-1963 Wang, W.; Takano, F.; Akinaga, H & Ofuchi, H (2007) Structural, magnetic, and magnetotransport properties of Mn-Si ... εra, μra of ambient air Magnitudes εrSiC = Re (εrSiC) - Im (εrSiC) and 118 Properties and Applications of Silicon Carbide μrSiC = Re (μrSiC) - Im (μrSiC) are the complex permittivity and the complex ... and S , i.e μ+ (s j )  μ  (s j ) The h h (2) (2) magnitude H0 is the Hankel function of the zeroth order and of the second kind, H1 is SiC SiC the Hankel function of the first order and of...

Ngày tải lên: 20/06/2014, 04:20

... characterization of chemical and biological agents and materials, remote and standoff early-warning for chemicalbiological warfare threats, and imaging of concealed weapons and explosives, just ... potential payoffs of THz sensing and imaging for an array of military, security and industrial applications These applications include the spectroscopic-based detection identification and characterization ... 1.38 and 0.472, respectively The location of p-n junction is found to be 0.99μm The location of Ge layer is 1.28 μm Fig Electric field profiles of 3C-SiC THz IMPATTs 158 Properties and Applications...

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... Part Other applications: Electrical, Structural and Biomedical Properties and Applications of Ceramic Composites Containing Silicon Carbide Whiskers 197 X Properties and Applications of Ceramic ... time (min) Fig Depth profiles of a) NiSi2; b) NiSi and c) Ni2Si derived from successive ion etchings and analysis of the Si 2p and Ni 2p3/2 levels in XPS The content of C, O and Si from the surface ... insights The goal of this chapter is to distill the most 198 Properties and Applications of Silicon Carbide significant results of the literature and create a big-picture description of these materials...

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... percolation of the filler particles and the fractal nature of filler distribution in non- 204 Properties and Applications of Silicon Carbide whisker particulate composites and related it to the ac and ... breakage of interatomic bonds and frictional sliding also increase the work of fracture 210 Properties and Applications of Silicon Carbide One study (Iio et al., 1989) showed that the inclusion of ... sizes and orientations generally affect the properties of interest for the composite applications and so the Al2O3-SiCw structure has often been discussed as such The ball-milling process often...

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... active oxidation of SiC and contemporary partial evaporation of SiO2 240 Properties and Applications of Silicon Carbide a b Fig SEM micrographs of a) cross-section and b) surface of the sample ... flow and the evolution of the ratio IO/IAr, where IO and IAr are the intensities of oxygen and argon emission spectral lines respectively, is measured along the 242 Properties and Applications of ... programs 260 Properties and Applications of Silicon Carbide Methodology The methodology of the investigation was based on laboratory tests and visual inspection of the internal components of the surge...

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... moisture and (d) gap electrode: signs of discharge 270 Properties and Applications of Silicon Carbide (a) (b) (c) (d) Fig Surge arresters of manufacturer C, (a) block surface: presence of moisture, ... (b) Fig 10 Waveforms of the leakage current (blue) and of the applied voltage (yellow), (a) CT in the position and (b) CT in the position 272 Properties and Applications of Silicon Carbide The ... manufacturers A and C, respectively As a general conclusion, it was observed that the surge arresters of manufacturers A and C presented evidence of ingress of moisture and signs of discharges...

Ngày tải lên: 20/06/2014, 04:20