the design and development of a solar powered refrigerator

The Design and Implementation of a Log-Structured File System

The Design and Implementation of a Log-Structured File System

Ngày tải lên : 12/09/2012, 15:05
... view the log as the most up to date ‘‘truth’’ about the state of the data on disk. The main difference is that database systems do not use the log as the final repository for data: a separate data ... again. The bandwidth of each of the five phases is shown separately. Sprite LFS has a higher write bandwidth and the same read bandwidth as SunOS with the exception of sequen- tial reading of a file ... in part by the National Aeronautics and Space Administration and the Defense Advanced Research Projects Agency under contract NAG2-591. This paper will appear in the Proceedings of the 13th ACM...
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Tài liệu The Design and Performance of a Real-time CORBA Event Service doc

Tài liệu The Design and Performance of a Real-time CORBA Event Service doc

Ngày tải lên : 19/02/2014, 18:20
... registration, location, and acti- vation; request demultiplexing; framing and error-handling; parameter marshalling and demarshalling; and operation dis- patching. Figure 1 illustrates the primary components ... If the avail- ability of new hardware, such as Forward Looking Infrared Radar, requires a new Sensor Proxy, I/O Facades must be al- tered to take advantage of the new technology. 3.6 Alleviating ... its deadline will be met, based on the published parameters of each schedulable operation. One advantage of our approach is that operation invoca- tions only pay the overhead of the C++ virtual...
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The Design and Implementation of a Sequence Database System * docx

The Design and Implementation of a Sequence Database System * docx

Ngày tải lên : 16/03/2014, 16:20
... Catalog Management: Each E-ADT can provide catalogs that maintain statistics and store schema information. Further, certain values may be named. Query Language: An E-ADT can provide a query ... object-relational database system Illustra [I11941 provides database support for time-series data along with relational data. A time-series is an ADT(Abstract Data Type) value implemented a& amp; a large ... on top of a layer of common database utilities that all E-ADTs can use. Code to handle arithmetic and boolean expressions, constant values and functions is part of this layer. An important component...
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Design and Implementation of a Three-Phase Induction Motor Control Scheme

Design and Implementation of a Three-Phase Induction Motor Control Scheme

Ngày tải lên : 27/10/2013, 23:15
... MATLAB design The MATLAB design constructed is used to simulate the final FO control design where all parameters, processes and variables are modelled mathematically. Furthermore, the MATLAB ... electrical properties that are of particular interest to this thesis project are the stator and rotor’s resistance and inductance, as well as the magnetizing inductance. During steady state, the ... how a hybrid car works. Within this article, the definition of the hybrid car and its potential advantages are stated. The concept of the parallel hybrid car is presented. This is a car design...
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Design and Simulation of A CMOS-MEMS Accelerometer

Design and Simulation of A CMOS-MEMS Accelerometer

Ngày tải lên : 27/10/2013, 23:15
... major parameters of the device. Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the estimated value is calculated assuming a total sensing capacitance of 60fF. ... of 60fF. Parasitic capacitance and mismatch of sensing capacitance is measured in a way as shown in Figure 5.4. The capac- itance ratios are derived from the ratios of driving signals and buffer ... of the proofmass which can be measured by several means. For the capacitive sensing approach, the displacement is detected by measuring the capacitance change between the proofmass and adjacent...
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Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc

Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc

Ngày tải lên : 22/12/2013, 08:16
... capacitance can be measured, and the estimated value is calculated assuming a total sensing capacitance of 60fF. Parasitic capacitance and mismatch of sensing capacitance is measured in a way as shown in ... several means. For the capacitive sensing approach, the displacement is detected by measuring the capacitance change between the proofmass and adjacent fixed electrodes. Low parasitic capacitance achieved ... sensitivity can be obtained by increasing effective mass, and modulation voltage, or by reducing spring constant, finger gap, and the ratio of parasitic capacitance and sensing capacitance. Since m, and...
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Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc

Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc

Ngày tải lên : 15/01/2014, 15:59
... Efficiency and Fairness Characteristics • Takes 7.5 seconds to reach 90% of the link capacity, independent of BDP • Satisfies max-min fairness if all the flows have the same end-to-end link capacity – Otherwise, ... limited by the slowest stream! Amsterdam Chicago 2 Chicago 1 Fairness and Friendliness 50 TCP flows and 4 UDT flows between SARA and StarLight Realtime snapshot of the throughput The 4 UDT ... copy avoidance • Overlapped IO • Data scattering/gathering • Speculation of next packet Protocol Buffer Protocol Buffer User Buffer Data New Data Experiences in Design and Implementation of a...
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Tài liệu Báo cáo " The meaning and structure of a science fiction story: a sysyemic functional analysis " doc

Tài liệu Báo cáo " The meaning and structure of a science fiction story: a sysyemic functional analysis " doc

Ngày tải lên : 12/02/2014, 20:20
... declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative ... to the plane of ideational component (that is, topical theme). Of 21 clauses and clause complexes analysed for theme, 17 have unmarked theme and 4 have marked theme. At the beginning of the ... declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative imperative declarative declarative ability/neg....
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Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx

Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx

Ngày tải lên : 22/02/2014, 09:20
... from a theoretical, computational and also practical viewpoint. INTRODUCTION It has been traditionally assumed by computational linguists and particularly by designers of large natural language ... typical of classical transformational generative grammar, which assumes that synchronic processes recapitulates many of the diachronic developments. 8. The following is an approximation of ... whereas the actual words are the those potential words that are realized in this language. To give an example, both arrival and arrivation are potential English words, but only the second happens...
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Báo cáo khoa học: Functional expression of olfactory receptors in yeast and development of a bioassay for odorant screening docx

Báo cáo khoa học: Functional expression of olfactory receptors in yeast and development of a bioassay for odorant screening docx

Ngày tải lên : 07/03/2014, 16:20
... (5¢-CGTCAAGGAG AAAAAACCCCGGATCTAAAAAATGGAGCAGAAAC TCATCTCTGAAGAGGATCTG-3¢) and (5¢-GCATG CCTGCAGGTCGACTCTAGAGGATCTCAAGCCAGT GACCGCCTCCC-3¢); for G olf (5¢-GGTACCGCTGCAA TGGGGTGTTTGGGCAAC-3¢) and ... DNAse- treated RNA extracts. Primers used for RT-PCR were: for the I7 OR (5¢-CGTCAAGGAGAAAAAACCCCGGATCT AAAAAATGGAGCGAAGGAACCACAG-3¢) and (5¢-AG CTGCCTGCAGGTCGACTCTAGAGGATCCTAACCAA TTTTGCTGCC-3¢); ... expression vector was obtained from pJH2-SSTR2 by homologous recombination introducing the c-myc-OR17-40 coding sequence, using primers (5¢-CGTCAAGGAGAAAAAAC CCCGGATCTAAAA AATGGAGC AGAAA CTCATCTC TGAAGAGGATCTG...
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THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT pptx

THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT pptx

Ngày tải lên : 08/03/2014, 23:20
... of greatest dry mass increase and nutrient uptake of the plant. Each leaf and spikelet is attached to a 'node' at the base of the stem where the vascular tissues of the leaf enter the stem. ... sowing dates and regions. Structural and developmental patterns are also important because many decisions about nutrition and crop management are best made on a developmental rather than a calendar ... – THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT 23 CHAPTER TWO THE STRUCTURE AND DEVELOPMENT OF THE CEREAL PLANT Growth scales are means of quantifying the growth stage of a crop in a standardised...
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Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx

Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx

Ngày tải lên : 22/03/2014, 11:20
... Space Application, Bologna (Italy) (1979) 7A. [4] Dang Thi Thanh Thuy, Pham Van Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier ... The design and simulink of the basic power moduls and Wilkinson bridge were performed using the ADS soflware. We have researched, designed and fabricated the power combination from the basic ... between the outputs of port 2 and port 3, and the lossless divider is not matched at all ports, and the resistive power divider is lossy. The Wilkinson power divider has all ports matched and has...
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