joint design and preparation of metals

... catalyst, and with LiI catalyst for a DOD of 1000 mAh/g and a current density of 2000 mA/g b) Electrochemical curves and c) cyclability and the end of charge and end -of- discharge voltages of CNT ... CoO-CNT and CoO in the Co 2p region and (c) the N 1s region of CoO-CNT, CoO and CNTs 104  Figure 5.8  Frist cycle discharge-charge profiles of (A) CoO-CNT hybrid and (B) CoO particles and ... of the high specific capacity Figure 2.6 (a) First cycle of discharge and charge of the Li–O2 battery with a MWCNTP cathode at 500 mAh/g between 2.3 and 4.6 V and (b) 50 cycles of discharge and...

Ngày tải lên: 09/09/2015, 11:14

... based on the bandgap size and relative position of the valence band and conduction band energy levels of the core and shell components Figure 1.5 Schematic diagram of the different type of core-shell ... PbS and nm PbS/CdS, (c-d) 6nm PbS and nm PbS/CdS, and (e-f) nm PbS and nm PbS/CdS 111 4.2 XRD patterns of (a) nm PbS and nm PbS/CdS; (b) nm PbS and nm PbS/CdS; (c) nm PbS and nm PbS/CdS Standard ... 2.2.7 Preparation of PbS/CdS core-shell nanoparticles 57 2.2.8 Electrochemical preparation of PbS and composite nanowires 59 2.2.9 Preparation of MnO Nanocrystals 60 2.2.10 Preparation of Mn3O4...

Ngày tải lên: 30/09/2015, 06:06

... common in computer applications One of the most difficult workloads for file system designs to handle efficiently is found in of ce and engineering environments Of ce and engineering applications tend ... areas of cost and capacity rather than performance There are two components of disk performance: transfer bandwidth and access time Although both of these factors are improving, the rate of improvement ... us to understand the effects of random access patterns and locality, both of which can be exploited to reduce the cost of cleaning The simulator models a file system as a fixed number of 4-kbyte...

Ngày tải lên: 12/09/2012, 15:05

... any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell stack, but also on the design and operating conditions of ... SOFC BOP system (S/C=1.7, O/C=0.3, fuel utilization = 64.2%, electrical conversion efficiency = 44%) Design of SOFC BOP components The BOP components of a SOFC system account for between 50% and ... provided by the anode off-gas given an anode off-gas temperature of less than 650 oC, a cathode off-gas temperature of less than 390 oC, and a flame barrier temperature of less than 700 oC However,...

Ngày tải lên: 05/09/2013, 16:10

... Instead we must compromise and accept a more gradual cutoff between passband and stopband, as well as specify a transition band between the passband and stopband The design is based on magnitude ... Magnitude response of bandpass filter with narrow bandwidth 188 DESIGN AND IMPLEMENTATION OF FIR FILTERS where !a and !b are the lower and upper cut-off frequencies, respectively The bandwidth is the ... range of frequencies that are 184 DESIGN AND IMPLEMENTATION OF FIR FILTERS passed without attenuation is the passband of the filter, and the range of frequencies that is attenuated is the stopband...

Ngày tải lên: 23/10/2013, 22:15

... Head of School, School of Information Technology and Electrical Engineering, University of Queensland, St Lucia, Qld, 4072 Dear Professor Simon Kaplan, In accordance with the requirements of the ... type of switch, the design requires the inclusion of slight time delays when the MOSFETs are switching A dead band is the time delay between switching off one MOSFET on a phase of the inverter and ... intention of this SIMULINK design, is that the FO control portion of the design will cause the rotor to generate a speed profile that follows the commanded speed input, ω* To this, the commanded...

Ngày tải lên: 27/10/2013, 23:15

... methods and experimental results of two fabricated accelerometers Major parameters of the sensor are measured Experimental results point out some design issues such as spring design and needs of offset ... divided by the gain of front end stage, and are negligible There are several different type of noise involved: thermal noise of MOS devices, flicker noise of MOS devices, and shot noise of biasing diodes ... Simulation results of the frequency responds compared with experimental results proofmass of 0.5µg, resonant frequency 8kHz, and Q of Vfb_low is 3V and Vfb_high is 15V It’s found that for Q of 3, compensation...

Ngày tải lên: 27/10/2013, 23:15

... frequency range of stopband is < F < Ws, the passband is Wp < F < 1, and Wp > Ws For bandpass and bandstop filters, Wp and Ws are two-element vectors that specify the transition bandages, with ... frequency defined in (6.2.15) and BW is the bandwidth defined in (6.2.16) 255 DESIGN OF IIR FILTERS 6.3 Design of IIR Filters In this section, we discuss the design of digital filters that have ... critical frequencies 258 DESIGN AND IMPLEMENTATION OF IIR FILTERS such as cutoff and bandwidth frequencies specified for the digital filter can be used directly in the design of the analog filter...

Ngày tải lên: 28/10/2013, 05:15

... between members of the public and representatives of official bodies, and on how discourses and local practitioners influence and recreate participation in and design of services and new technology ... their production and use’.85 As informatics shifts from the study of information systems to the study of design of services, 86 and networks of information and communication, design itself becomes ... the environments of their intended use’ 79 Lucy Suchman, Professor of Anthropology of Science and Technology at Lancaster University, was one of the founders of the work practice and technology...

Ngày tải lên: 04/11/2013, 20:15

... of interior span = 0.45 *369 on 3m strip = 55.4KNm Analysis of flat slab Analysis of flat slab DESIGN FOR BENDING INTERNAL PANELS • columns and middle strips should be designed to withstand design ... to the centre of building Typical floor plan of Compass the Elizabeth Design Considerations Design Considerations OPTIMISATION OF STRUCTURAL LAYOUT PLAN • the sizes of vertical and structural ... if dimension < lx/3 Design methodology Design methodology EQUIVALENT FRAME METHOD Plan of floor slab Step : define line of support in X & Y directions Design methodology Design methodology ...

Ngày tải lên: 12/12/2013, 14:15

... methods and experimental results of two fabricated accelerometers Major parameters of the sensor are measured Experimental results point out some design issues such as spring design and needs of offset ... divided by the gain of front end stage, and are negligible There are several different type of noise involved: thermal noise of MOS devices, flicker noise of MOS devices, and shot noise of biasing diodes ... Simulation results of the frequency responds compared with experimental results proofmass of 0.5µg, resonant frequency 8kHz, and Q of Vfb_low is 3V and Vfb_high is 15V It’s found that for Q of 3, compensation...

Ngày tải lên: 22/12/2013, 08:16

... Gajski, D and Vahid, F., Specification and design of embedded hardware-software systems, IEEE Design & Test of Computers, pp 53-67, Spring 1995 [14] DeBardelaben, J and Madisetti, V., Hardware/software ... process of MUX where bwtransmitting is the consumed bandwidth of transmitting packets, bwpassing is the consumed bandwidth of passing packets, bwecho is the consumed bandwidth of echo packets, and ... approximately 19 of CPU time and h of wall clock time These numbers indicate the usefulness of this abstraction level in the design hierarchy The goal is to prove correctness of design and not simulate...

Ngày tải lên: 25/12/2013, 06:16

... between Chicago and Amsterdam TCP Throughput (Mbps) 80 70 60 50 40 30 20 Number of UDT flows 10 Stability • Stability index of UDT and TCP – Stability: average standard deviation of throughout ... 10 RTT (ms) 10 Fairness and Friendliness 50 TCP flows and UDT flows between SARA and StarLight Realtime snapshot of the throughput The UDT flows have similar performance and leave enough space ... asynchronously stable • But, inefficient and not scalable – In grid networks (with high bandwidth-delay product) • RTT bias Efficiency of TCP Gb/s link, 200ms RTT, between Tokyo and Chicago 28 minutes On 10...

Ngày tải lên: 15/01/2014, 15:59

... significant improvements and a general reduction of the cycle time while ameliorating heat transfer A contribution to understanding the importance of conformal channels and the employment of new high-conductivity ... the design, etc MPA is a tool used exclusively on the virtual solid model of the object, to help the designer to determine the manufacturability of the parts of the mould The only requirement of ... resistance and avoid the possibility of deformation 4.2 Gate location The best position of the gate is found by trial and error and different positions for the gate are suggested and visualise...

Ngày tải lên: 12/02/2014, 22:20

... demultiplexing; framing and error-handling; parameter marshalling and demarshalling; and operation dis- software by allowing decoupled suppliers and consumers, asynchronous event delivery, and distributed ... role of a mediator between ibility of tightly coupled software can substantially increase consumers and suppliers The Event Channel manages object the effort and cost of integrating new and improved ... gets of events generated by suppliers Suppliers and con- need for determinism and predictability often results in tightly sumers can both play active and passive roles An active push coupled designs...

Ngày tải lên: 19/02/2014, 18:20

Ngày tải lên: 21/02/2014, 08:20

... processing program that must be able to handle very large amounts of text necessitates dictionaries of substantial size, of the order of at least tens of thousands of entries, perhaps even more than ... requirements" and has to with the complexity of the task of creating a lexical entry It can roughly be viewed as a measure of the time it takes to create a new lexical entry, and of the amount of linguistic ... This rapid and necessarily incomplete overview of the organization of the lexicon and the role of morphology in theoretical and computational linguistics has emphasized two basic types of requirements:...

Ngày tải lên: 22/02/2014, 09:20

... stocks S; a sequence hourly information on the high and low prices ,and the of As part of the type-check of the SQL query, the type of the volume of the stock tradedin eachhour SEQUN function is ... down and up the dimensions) There are also severalopen researchissuesin the design of systemsbasedon the E-ADT paradigm, and in extensions of the paradigm to handle optimizations that spandata ... 24-h?ur moving averageof the high price of Stockl, and the high price of Stock2 at the most recent hour when the volume of Stock2tradedwas greaterthan 25,000 The answer sequence only of interest to...

Ngày tải lên: 16/03/2014, 16:20

... assignment of a tag-set and lemmas to a word wi consists of a choice of a tag-set, tsi (one of the possible k tag-sets for the word) and, for each tag t in the chosen tag-set, a choice of a lemma out of ... morphological analysis The idea of this model is to jointly predict the set of possible tags and lemmas of words In addition to modeling dependencies between the tags and lemmas of a single word, we incorporate ... communication between the various parts-ofspeech, a universal set of unannotated features also fires, regardless of the part -of- speech, acting as a back-off model of how words in general behave during...

Ngày tải lên: 17/03/2014, 01:20