theoretical investigation of carbon nets and molecules

... Studies of Energetics, Structures and Chemical Reactions on Carbon and BN Surfaces and Related Molecules Abstract This thesis focuses on the energetics, structure and reactivity of wide band gap ... Values of ∆gap, HOMO and HOMO-1, ∆(-1)-(0), LUMO and LUMO+1 for borazine cyclacenes as a function of n…………………… ……….… 144 Table-6.4: Value of ∆gap, HOMO and HOMO-1, ∆(-1)-(0), LUMO and LUMO+1 for carbon ... dilute hydrocarbon-in-hydrogen plasmas can lower the growth temperatures and enhance the quality of diamond films [48] The understanding of the adsorption/desorption of hydrogen and oxygen molecules...

Ngày tải lên: 17/09/2015, 17:18

... subthreshold swing (SS) of the AGNR and ZGNR SBFETs as a function of the respective WC (b) The ON-state/OFF-state current ratios (ION/IOFF) and (c) the respective ION and IOFF as a function of WC .53 Fig ... THEORETICAL STUDY OF CARBON- BASED MATERIALS AND THEIR APPLICATIONS IN NANOELECTRONICS KAI-TAK LAM A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILIOSOPHY DEPARTMENT OF ELECTRICAL AND COMPUTER ... using the commercial software ATOMISTIX TOOLKIT 2008.10 All GNRs are hydrogen- passivated and an initial carbon- carbon bond length of 1.42 Å and carbon- hydrogen bond length of 1.09 Å are assumed...

Ngày tải lên: 10/09/2015, 08:39

... size of 2600 mm x 181 mm x 31 mm which consists of entrance section, test section and exit section of lengths of 800 mm, 1200 mm and 600 mm respectively according to the guidelines of ASHARAE standard ... 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...

Ngày tải lên: 05/09/2013, 16:10

... engine and suitable for any hydrocarbon fuel and their blends During the start of combustion, the moles of different species are considered includes O2, N2 from the intake air and CO2 and H2O ... + υ O (1) where: λ mole ratio of biodiesel added, n1, m1 number of carbon and hydrogen atoms for diesel fuel respectively, n2 , m2 , z number of carbon, hydrogen and oxygen for biodiesel fuel ... S.K Bhatti, Effect of soybean oil biofuel blending on the performance and emissions of diesel engine using diesel-rk software, International journal of engineering science and technology, 4539-4555,...

Ngày tải lên: 05/09/2013, 16:11

... source temperature of 100 °C and capillary and cone voltages of 4230 V and 29 V, respectively NMR of His-cTCRf Results The protein was resuspended in 500 lL H2O and 50 lL D2O, and the pH adjusted ... scan range of 500–2500 m/z, a source temperature of 100 °C, and capillary and cone voltages of 4230 V and 29 V, respectively Mass profiles were deconvoluted using the maximum entropy software MAX ... metalloproteinase degradation of elastin, type-IV collagen and proteoglycan: a quantitative comparison of the activities of 95 kDa and 72 kDa gelatinases, stromelysin-1 and stromelysin-2 and punctuated metalloproteinase...

Ngày tải lên: 08/03/2014, 02:20

... degree of incorporation of the labelled oxygen In contrast, protonation of the hydroxyl of with departure of water would lead to liberation of isotopically enriched N2 O and no possibility of the ... [18] and in biological processes [19]) and increasing use of synthetic reactions involving radicals and radical ions [20] have led to a wider use of electrochemical methods of investigation of ... ideas about the nature of mechanism 2 The Investigation of Organic Reactions and Their Mechanisms The abbreviated representations of mechanisms introduced by Ingold and Hughes and their colleagues...

Ngày tải lên: 04/06/2014, 15:26

... single wall carbon nanotubes Carbon 2002, 40:2043-2061 24 Deng F, Zheng QS, Wang LF: Effects of anisotropy, aspect ratio, and nonstraightness of carbon nanotubes on thermal conductivity of carbon ... will then have a profound effect on the cross-link density and hence, on the final properties of the system Thus, we aimed at studying the effect of two types of carbon- based nanofillers, in particular, ... Young's modulus of TPa and ultimate strength of 130 GPa [11] In addition to these outstanding properties, the recent developments on graphene synthesis routes and on -2- the understanding of their unique...

Ngày tải lên: 20/06/2014, 23:20

... silicon substrates at a temperature of 900°C and argon flow rate of 100 sccm Tapered nanowires are formed at a growth temperature of 980°C and an Ar flow rate of 160 sccm as seen in Figure 3b–e ... range of contact angles b compared to nanowires with uniform diameters The tapering of the nanowires can also be explained on the basis of the stability and shape of the Au catalyst at the tip of ... Zn condensation and dissolution from the source vapor, Zn and Au form an alloy and liquefy giving rise to the islands on the substrate This leads to an increase in the volume of the alloy droplet...

Ngày tải lên: 21/06/2014, 08:20

... preparation of hydride catalysts Figure 2b shows the EDX spectra of Nifilled MWNT TEM and HRTEM images of SWNTs obtained at a growth temperature of 950°C are respectively shown in Fig 3a and b It ... the yield of carbon with the growth temperature has been plotted and shown in Fig It could be seen that the carbon yield increased with increasing growth temperature and a maximum of around 146% ... MWNTs band), mainly due to defects [20] is also observed Raman spectra for SWNTs show the presence of RBM, at 388.9 cm–1, in addition to the G- and Dbands The increase in the intensity of D-band...

Ngày tải lên: 22/06/2014, 22:20

... representative of our lack of understanding /investigation, as opposed to the lack of occurrence of this physiological response Because the vertebrate liver is a common target organ of toxicity, ... applied to understanding the mechanisms and modes of actions involved in xenobiotic induced injury, a betterment of our comparative understanding, and ability to investigate and interpret hepatotoxicity ... confocal Because of the lack of planar resolution (depth of field permitted with Xenon laser and standard Neo-Fluar objectives, see materials and methods), accurate quantitation of fluorescence...

Ngày tải lên: 13/08/2014, 13:20

... Normal Distribution with E(θ) = 100° and standard deviation of 0.7° and in figure 7d, θ is from a Normal Distribution with E(θ) = 100° and standard deviation of 1.1° Table 3: Sample correlation ... plots were obtained for the and derived from the 403 artificial randomisation sequences generated by random re-ordering or randomisation [20] of each of the original optimum window sequences ... analysis of the 403 transmembrane sequences of our data set using L = 15 and: In figure 7a, θ = 100°; in figure 7b, θ is from a Normal Distribution with E(θ) = 100° and standard deviation of 0.1°...

Ngày tải lên: 13/08/2014, 22:22

... better understanding of judgmental adjustments is of interest to researchers and practitioners This research is an investigation of judgmental adjustments of statistical forecasts in terms of accuracy ... hours of their time to review my work and provide me with further guidance I will forever owe Professor Croxton and Professor Knemeyer a debt of gratitude I also would like to thank Professor ... goals and methods of the research as well as the working model and the relevant dependent and independent variables 1.2.1 Research Purpose The purpose of this research is to better understand and...

Ngày tải lên: 02/11/2014, 00:25

Ngày tải lên: 14/11/2014, 12:20

Ngày tải lên: 14/11/2014, 12:32

... combination of different methods of quantitative and qualitative approach which are as follows: - Document; - Synthesize; - Analyze and contrast Questionnaires and audio tapes of native American and of ... TABLE OF CONTENTS DECLARATION ACKNOWLEDGEMENT ABSTRACT TABLE OF CONTENTS LIST OF TABLE AND FIGURES PART I: INTRODUCTION 1 Rationale of the study Research questions Aims and Objectives of the ... can be predicted and considered Robert Lado (1957) noted: „Individuals tend to transfer the forms and meanings and the distribution of forms and meanings of their native language and culture to...

Ngày tải lên: 02/03/2015, 14:26

... reliability and ease of use of SSTs, and Customization referred to extent of an SST can be altered to meet individual customer preferences and transaction histories (Lin and Hsieh, 2011) On the other hand, ... significant of study, research scope and methodology, and structure of study will be presented subsequently Chapter 2: Literature review and Hypotheses In this chapter, the definitions of each concept and ... cultures and traditions all over the world Each of them had different style of behavior and style leading to each of people s demand in different cultures was completely different By this, understanding...

Ngày tải lên: 06/08/2015, 14:25

... TABLE OF CONTENTS LIST OF TABLE AND FIGURES PART I: INTRODUCTION 1 Rationale of the study Research questions Aims and Objectives of the study Scope of the study Methodology of the study Design of ... C and Heritage, J 1990 Conversation Analysis Annual Review of Anthropology, vol 19 (1) pp 283-307 11 Hall, E.T 1976 Beyond culture Anchor Books/A Division of Random House, Inc 12 Hutchby, I and ... Tran, X D 2009 A series of reports on the findings of “US and Vietnamese cultures in contrast through everyday conversation” Journal Science of Hanoi National University of Education 27 Tylor,...

Ngày tải lên: 10/08/2015, 19:50

... occupation, and race The age section started at the minimum requirement, 18 years old and ended with the range of ages of 55 and older The ranges of income were $15,000 and less to $55,001 and over ... and Standard Deviations of Subjects’ Measurements by Race 71 Table 21: Comparison of Neck to Waist and Waist to Ankle Measurements for Subjects in this Study and the PS 42-70 Standard ... of Literature The review of literature consists of integrative summaries of prior research on the topics of consumer satisfaction, clothing attributes in the apparel industry, fit and style of...

Ngày tải lên: 15/08/2015, 01:53

... Dispersion of carbon nanotubes 1.4 Applications of carbon nanotubes 10 1.5 Structure and morphology of graphene 12 1.6 Properties of graphene 14 1.6.1 Electronic and ... Figure 6.2 SEM images of (a) GO and (b) Zn-rGO, AFM images of (c) GO and (d) Zn-rGO, (e) TEM image of a free standing Zn-rGO sheet suspended on a lacey carbon TEM grid and (f) selected area electron ... 4.5 (a) Raman spectra of pristine SWCNTs (solid curve) and a SWCNT film (dashed curve) (b) Raman intensity ratios of the D band to G band (ID/IG) of (i) asreceived SWCNTs and a SWCNT:POETE gel...

Ngày tải lên: 10/09/2015, 08:35

... function of water molecules 133 6.5 Binding analysis of 4-amino-DANA as a function of water molecules 135 6.6 Binding affinity of 4-guandino-DANA 136 6.7 Investigation of binding affinity of tamiflu ... energy of 4-guandino-DANA as a function of water molecules 148 Table V Binding affinity of tamiflu as a function of water molecules 149 Table VI Binding affinity of BCX as a function of water molecules ... energy of N-DANA as a function of water molecules 136 Figure Binding energy of guandino-DANA as a function of water molecules 138 Figure Binding affinity of tamiflu as a function of water molecules...

Ngày tải lên: 11/09/2015, 09:15