... 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 ... ratio (S/C) of 1.7 and an oxidant-to-carbon ratio (O/C) of 0.3 Following completion of the optimization process shown in Figure 1 (yielding a cell voltage and current density of 0.78 V and 400 A/cm2, ... components The BOP components of a SOFC system account for between 50% and 70% of the total system cost Due to the high operating temperature of SOFC, the material of all BOP components should
Ngày tải lên: 05/09/2013, 16:10
... preformulation and solubility profile of schizandrol A Trang 30Physicochemical properties of schizandrol A will be examined, focusing on elemental, phase and thermal analysis Solubility of schizandrol ... Solubility of schizandrol A by micellization 72 4.2.2 Solubility of schizandrol A by cosolvency 79 4.2.3 Solubility of schizandrol A by complexation 86 4.2.4 Solubility of schizandrol A in ... Combination of sucrose laurate and cosolvent 964.2.4.3 Combination of sucrose laurate and cyclodextrin 98 4.2.5 Solubility of schizandrol A in oils 100 4.2.6 Stability of schizandrol A in
Ngày tải lên: 10/09/2015, 09:03
Investigations into design and control of power electronic systems for future microprocessor power supplies
... performance of any such design willdepend on the performance of the current sensing technique The output of currentsensor should be linear in the operating range of VRMs and should have highbandwidth ... eliminate theeffects of parasitic inductance and (b) Output of the sense amplifierand the inductor current as measured using current probe 523.8 Schematic of digital controller design using FPGA ... showing the performance of the proposed schemeduring a step change in current reference (a) Closed loop bandwidth of 50kHz (b) Closed loop bandwidth of 100kHz 1608.5 Discharging of output capacitor
Ngày tải lên: 11/09/2015, 10:06
Chapter 2 literature review design and development of tissue engineering scafflods using rapid prototyping technology
... properties and the macro/micro structure of the scaffolds (i.e. porosity and pore morphology). An interconnected internal structure of the scaffold is important for adequate flow of nutrients into and ... is one of the most flexible and easy to process materials. Even though it has one of the slowest degradation rates of all such polymers, the structural stability of PCL permits the study of fabrication ... degradable medical and drug-delivery devices with Food and Drug Administration approval (Pitt, 1990; Li and Vert, 1999). Polyester–polyether block co-polymers composed of PCL or PLA and PEG have
Ngày tải lên: 14/09/2015, 10:20
Chapter 4 results discussions design and development of tissue engineering scafflods using rapid prototyping technology
... conditions and other design Trang 36parameter (FD) In this study, all the designs and processing conditions tested led to the development of scaffolds with structural parameters in the range of those of ... lay-down pattern of 0/90° and a series of FDs (1.00, 1.25 and 1.50 mm) utilizing two polymers (PCL and PCL-PEG) SEM observation and porosity measurement revealed that the variation of FD significantly ... temperature, increase of extrusion pressure caused the increase of RW and thus decreased the pore size and porosity (Table 4.5) at a given condition of temperature and speed An increase of pressure from
Ngày tải lên: 14/09/2015, 10:23
Design and development of tissue engineering scafflods using rapid prototyping technology chapter 3
... calculate the porosity and interconnectivity of the scaffolds 3. 5 .3. 1... ILH and ILV loading, one layer out of every 2 layers of filaments was aligned in the direction of loading For ... out of every 3 layers of filaments was aligned normal to the direction of loading In ILV loading, one layer out of every 3 layers of filaments was aligned in the direction of loading ... The distribution and ratio of viable and. .. avoid creation of isolated voids (Gibson and Ashby, 1997) Based on this phenomenon, various scaffolds with different values of FD were built
Ngày tải lên: 14/09/2015, 11:12
Design and development of a bench top electro adsorption chiller
... DESIGN AND DEVELOPMENT OF A BENCH-TOP ELECTRO-ADSORPTION CHILLER SAI MAUNG AYE NATIONAL UNIVERSITY OF SINGAPORE 2004 Founded 1905 DESIGN AND DEVELOPMENT OF A BENCH-TOP ELECTRO-ADSORPTION ... EAC is designed for cooling of personal and other microelectronic appliances. 3.2 Characteristic of major units The design of an electro-adsorption chiller is based on the principles and concept stated ... thermocouples, thermisters and RTD sensors. TIC controller unit is used to monitor the pressure of evaporator, reactor beds and condenser. Agilent and TIC controller softwares are 29 Chapter 3. Design, development and
Ngày tải lên: 04/10/2015, 10:25
Design and development of a CMOS power amplifier for digital applications
... Trang 1D ESIGN AND D EVELOPMENT OF A CMOS P OWER A MPLIFIER FOR D IGITAL A PPLICATIONS KHOO EE SZE NATIONAL UNIVERSITY OF SINGAPORE 2003 Trang 2Design and Development of a CMOS Power Amplifier ... includes studying of the basics of power amplifiers and designing a fully integrated power amplifier The power amplifier designed would aim to satisfy the specifications of the Bluetooth Standard 1.3 ... hot carrier effects and low breakdown voltage issues Temperature dependent biasing circuit is used in the design The simulation results of the design and measurement results of the fabricated die
Ngày tải lên: 04/10/2015, 10:25
Design and development of a social robotic head dorothy
... Trang 1 DESIGN AND DEVELOPMENT OF A SOCIAL ROBOTIC HEAD – DOROTHYDAI DONGJIAO NATIONAL UNIVERSITY OF SINGAPORE 2010 Trang 2DESIGN AND DEVELOPMENT OF A SOCIAL ROBOTIC HEAD ... interest in the fields of robotics and emotion modeling started when I developed and worked with Doris and Dorothy, as part of my projects in both undergraduate and graduate program and they have become ... co-supervisor, Prof Budiman Sastra (Adjunct Research Professor, Division of Engineering and Technology Management, National University of Singapore), for his professional guidance and invaluable
Ngày tải lên: 04/10/2015, 10:26
Design and development of an autonomous omni directional mobile robot
... mechanical and the electronics of the system, it is now time to cover the software To write and develop codes for the ARM Cortex M3, a product of STMicroelectronics, Rasisonnance Integrated Development ... progress of the project and it gave me great joy and satisfaction in working with them Trang 4Table of Contents Acknowledgements i Table of Contents iii Summary vi List of Tables viii List of Figures ... actuators and sensors utilized In addition, the electronic design behind the custom designed microcontroller will be revealed and various problems faced and how they were addressed Lastly, the software
Ngày tải lên: 04/10/2015, 10:26
DESIGN AND DEVELOPMENT OF AN OMNIDIRECTIONAL MOBILE BASE FOR a SOCIAL ROBOT
... Trang 1Design and Development of an Omnidirectional Mobile Base for a Social Robot LIM HE WEI NATIONAL UNIVERSITY OF SINGAPORE 2011 Trang 2Design and Development of an Omnidirectional ... observed and learnt from him Professor Sam Ge from Electrical Engineering and also director of Social Robotics Lab have also helped and encouraged me in my partaking of this Masters of Engineering ... understand the phenomenon of Social Robots and the field of HRI, we can refer to mankind’s history for artificial beings development, robots medieval by today’s standards but still capable of complex
Ngày tải lên: 04/10/2015, 10:26
Design and development of an on machine profile measurement system for an ELID grinding machine
... and Development CHAPTER THREE DESIGN AND DEVELOPMENT 3.1 INTRODUCTION One of the major goals of this study was the design and development of different components of the experimental setup which ... picture of the turn table from (a) front and (b) rear side 3.4 DESIGN AND DEVELOPMENT OF AN ON-MACHINE PROFILE MEASUREMENT SYSTEM One of the most important targets of this study was to design ... profile of ground surface. Coordinate measuring machines (CMM) have become more and more important in measurements and authentication of dimensional excellence of 34 Chapter 3: Design and Development manufactured
Ngày tải lên: 04/10/2015, 10:26
Design and development of command and control system for autonomous underwater vehicles
... command and control system architecture for the AUVs An overview of the architectural design is illustrated in Fig 3.1... design, and the development of control and software ... DESIGN AND DEVELOPMENT OF COMMAND AND CONTROL SYSTEM FOR AUTONOMOUS UNDERWATER VEHICLES By TAN YEW TECK SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF ENGINEERING AT NATIONAL ... is the design and development of a generic control and software architecture for a single modular AUV while allowing natural extensions to multi-vehicle scenarios. The proposed command and control
Ngày tải lên: 04/10/2015, 10:26
Design and development of RFID and RFID enabled sensors on flexible low cost substrates by li yan
... [9] U Rohde, Microwave and Wireless Synthesizers:Theory and Design, Paterson, NJ: John Wiley & Sons, pp 1–5, 1997 [10] L Yang, S Basat, and A Rida, “Design and development of novel miniaturized ... prior permission of the publisher Design and Development of Radio Frequency Identification (RFID) and RFID-Enabled Sensors on Flexible Low Cost Substrates Li Yang, Amin Rida, and Manos M Tentzeris ... Design and Development of Radio Frequency Identification (RFID) and RFID-Enabled Sensors on Flexible Low Cost Substrates Synthesis Lectures on RF/Microwaves Editor Amir Mortazawi, University of
Ngày tải lên: 08/03/2016, 11:21
Design and development of web based maternal and child nutrition information system
... 1ADDIS ABABA UNIVERSITY SCHOOL OF INFORMATION SCIENCE AND SCHOOL OF PUBLIC HEALTH M.sc in Health Informatics Program Design and Development of Web Based Maternal and Child Nutrition Information ... 2ADDIS ABABA UNIVERSITY SCHOOL OF INFORMATION SCIENCE AND SCHOOL OF PUBLIC HEALTH M.sc in Health Informatics Program Design and Development of Web Based Maternal and Child Nutrition Information ... to disease and premature death, which only further undermines the economic development of the family and society, and continues the cycle of poverty and malnutrition Although Monika and Mercedes
Ngày tải lên: 14/08/2017, 16:46
SPE 59029 MS design and development of hydrocarbon surface production facilities and pipelines based on process and transport simulators
... percent of national produccion of oil, 46 percent of the produccion of the gas, and 16.6 percent of gas liquids Currently the produccion of gas in the region is of 190 mmpcd in average Of this ... objectives of Pemex Exploracion and Produccion Region Sur is found the analysis of the operation, the optimizacion and the modernization of the systems of produccion, transportation and distribution of ... characteristics of the system (Diameter, Length, Thickness, Material of Contruction, Right of Way and Topographic Profile); and the Compositional Analysis of the Hydrocarbons (C1 to C6+, CO2, N2, H2S and
Ngày tải lên: 23/06/2018, 22:45
Decarbonising product supply chains design and development of an integrated evidence based decision support system the supply chain environmental
... shared understanding of their emissions It describes the design and development of a DSS now known as supply chain environmental analysis tool (SCEnAT) in detail, putting its unique and innovative ... calculators/tools Taking an inventory of the search results and classifying them into major categories of tools is a difficult task To handle such a large volume of data and make sense of the ensuing complexity, ... the fields of carbon emission management and decarbonisation of supply chains The above literature review finding formed that basis for the subsequent conception, design and development of SCEnAT
Ngày tải lên: 05/05/2020, 09:18
Formulation design and development of parenteral suspensions
... control the release of drug from a suspension The purpose of this article is to suggest ideas and review principles for the scientist responsible for the design and development of parenteral suspension ... the tank and striking the baffle plate to spread into an easily deaerated film Parenteral suspensions, as a result of the method of manufacture and handling of the powder or as a result of the ... is simple and direct and offers a high degree of predictability as to the clog resistance of a suspension In performing the test, the sponge is wetted with water and squeezed free of any excess
Ngày tải lên: 17/02/2021, 21:03
Design and development of aloe vera peeling and dicing system
... processing capacity of 5000 kg/h and the dimensions of Aloe vera leaves, which were measured to have an average length of 495 mm, width of 80 mm, and thickness of 28 mm According to Wang and Strong (1993), ... Cultivation of Aloe vera, 16 May 2013 [4] Dr Vallabh Chandegara and Anil Kumar Varshney, Design and Development of Leaf Splitting Unit for Aloe Vera Gel Expulsion Machine - Article in Journal of Food ... parameters of chain transmission of dicing mechanism 5.2 The parameters of chain transmission The number of teeth of smaller gear will be taken as: z 11 21, z 12 28 The number of teeth of bigger
Ngày tải lên: 27/11/2021, 23:30
Design and development of receptionist robot
... DESIGN AND DEVELOPMENT OF RECEPTIONIST ROBOT Trang 2MINISTRY OF EDUCATION AND TRAINING HCMC UNIVERSITY OF TECHNOLOGY AND EDUCATION Trang 3MINISTRY OF EDUCATION AND TRAINING HCMC UNIVERSITY OF ... 8ABSTRACT DESIGN AND DEVELOPMENT OF RECEPTIONIST ROBOT Through the ups and downs change of history, human communities have been having great progresses especially in the field of science and technology ... The development of robotics technology on the world, explain and choose the appropriate design, processing, testing the strength of platform and composite shell of robot, calculate dynamical and
Ngày tải lên: 27/11/2021, 23:30