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The Design and Implementation of a Log-Structured File System

The Design and Implementation of a Log-Structured File System

... 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 that ... Foundation under grant CCR-8900029, and in part by the National Aeronautics and Space Administration and the Defense Advanced Research Projects Agency under contract NAG2-591. This paper will appear ... 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 area is...

Ngày tải lên: 12/09/2012, 15:05

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Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"

Báo cáo y học: " Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane"

... Publisher. All rights reserved Case Report Treatment of oroantral fistula with autologous bone graft and application of a non-reabsorbable membrane Adele Scattarella 1 , Andrea Ballini 1  , ... Roberto Grassi 1 , Andrea Carbonara 1 , Francesco Ciccolella 1 , Angela Dituri 1 , Gianna Maria Nardi 2 , Stefania Cantore 1 , Francesco Pettini 1 1. Department of Dental Sciences and Surgery, ... Bichat's buccal fat pad to close oroantral communications in irradiated maxilla. J Oral Maxillofac Surg. 2010 Jan;68(1):229-30. 9. Hernando J, Gallego L, Junquera L, Villarreal P. Oroantral...

Ngày tải lên: 25/10/2012, 11:48

5 573 0
Design and Implementation of a Three-Phase Induction Motor Control Scheme

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

... advantages are clearly explained. Wildi also presents the two types of induction motors: “the squirrel cage induction motor” and the “wound motor”. An explanation of the advantages and disadvantages ... induction machine is an electrical device. The 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 ... that is written by Mr. Marshall Brain. It provides a basic introduction onto how a hybrid car works. Within this article, the definition of the hybrid car and its potential advantages are stated....

Ngày tải lên: 27/10/2013, 23:15

93 695 1
Design and Simulation of A CMOS-MEMS Accelerometer

Design and Simulation of A CMOS-MEMS Accelerometer

... 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 ... C f1 and C f2 are reset to zero charge, and hold capacitors C h ’s are floating. During the Integrate 1 phase, the difference of charges on C i1 and C i2 are inte- grated to C f1 and C f2 , and...

Ngày tải lên: 27/10/2013, 23:15

40 589 1
Tài liệu Lab 3.1.1 Safe Handling and Use of a Multimeter docx

Tài liệu Lab 3.1.1 Safe Handling and Use of a Multimeter docx

... Because it is possible to check high voltages, extra care should be taken to avoid electrical shock. Step 1 Insert the red and black leads into the proper jacks on the meter. a. The black ... voltage measurement. a. What is the symbol for this? ___________________ Step 5 Put the tip of the red, positive lead on the positive side of a battery. Put the tip of the black, negative, ... negative, lead on the other end of a battery. a. Is any number showing up on the multimeter? _____ If not, make sure to switch to the correct type of measurement. For example Vol, voltage, or...

Ngày tải lên: 21/12/2013, 19:15

2 393 0
Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc

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

... performed on a probe station. Table 1 lists major parameters of the device. Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the estimated value is calculated assuming ... assuming a total sensing capacitance 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 ... value of these parasitic capacitors is around 70fF, which is the same order as the total sensing capacitance. Parasitic capacitance of diodes and input transistors of buffers is relatively small,...

Ngày tải lên: 22/12/2013, 08:16

40 581 0
Tài liệu Controlling the Playback Speed and Direction of a Timeline docx

Tài liệu Controlling the Playback Speed and Direction of a Timeline docx

... function has been passed a value of "ff" or "rew". This part of the conditional statement has a nested if/else statement. Because the task of fast-forwarding and rewinding have ... < Day Day Up > Controlling the Playback Speed and Direction of a Timeline Normally, a movie's timeline plays in a forward direction at a pace dictated by the fps (frames per ... evaluated. If action has a value of "ff", an onEnterFrame event handler is attached to the messages_mc instance. This event handler advances the messages_mc timeline to its current frame,...

Ngày tải lên: 24/12/2013, 07:17

9 356 0
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

... 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 flows have similar performance ... 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 ... Internet – AIMD (Additive Increase Multiplicative Decrease) • Fair: max-min fairness • Stable: globally asynchronously stable • But, inefficient and not scalable – In grid networks (with high bandwidth-delay...

Ngày tải lên: 15/01/2014, 15:59

32 581 0
Tài liệu Lab 3.1.1 Safe Handling and Use of a Multimeter doc

Tài liệu Lab 3.1.1 Safe Handling and Use of a Multimeter doc

... Because it is possible to check high voltages, extra care should be taken to avoid electrical shock. Step 1 Insert the red and black leads into the proper jacks on the meter. a. The black ... voltage measurement. a. What is the symbol for this? ___________________ Step 5 Put the tip of the red, positive lead on the positive side of a battery. Put the tip of the black, negative, ... negative, lead on the other end of a battery. a. Is any number showing up on the multimeter? _____If not, make sure to switch to the correct type of measurement. For example Vol, voltage, or V....

Ngày tải lên: 18/01/2014, 04:20

2 374 0
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

... declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative ... declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative declarative imperative declarative declarative ability/neg. ... An Introduction to Functional Grammar; Halliday and Hasan’s (1985) Language, Text and Context: Aspect of Language in Social-Semiotic Perspective; Hasan’s (1984) Coherence and Cohesive; and...

Ngày tải lên: 12/02/2014, 20:20

18 714 4
Tài liệu Ecology and Management of a Forested Landscape Fifty Years on the Savannah River Site pptx

Tài liệu Ecology and Management of a Forested Landscape Fifty Years on the Savannah River Site pptx

... probably concentrated along bottomlands and terraces adjacent to streams (Sas- saman et al. 1990; Sassaman 1993). Sustained seasonal habitation of the area began between 9,800 and 8,000 years BP, with ... environment of any area and serve as the natural framework in which terrestrial and aquatic plants and animals must function. In the first section of this chapter, “Climate and Air Quality,” John Blake ... landscape, dominated by agriculture and urbanization. Industrial Operations and Current Land Use John I. Blake, John J. Mayer, and John C. Kilgo The management of natural resources at the Savannah...

Ngày tải lên: 17/02/2014, 19:20

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Tài liệu Báo cáo khoa học: Identification, sequencing, and localization of a new carbonic anhydrase transcript from the hydrothermal vent tubeworm Riftia pachyptila docx

Tài liệu Báo cáo khoa học: Identification, sequencing, and localization of a new carbonic anhydrase transcript from the hydrothermal vent tubeworm Riftia pachyptila docx

... GCC ATT AGC 613–630 RpCAbrR1 CGT AGC AGT ATC AGC AGT 822–839 RpCAtrFprobe TAC AAA GAT CCA ATC CAG C 616–634 RpCAtrRprobe TAA GAT TAC CAG AAT TGC 844–861 a Primers designed by Primer Express software ... GCC ATT AGC 613–630 RpCAbrR1 CGT AGC AGT ATC AGC AGT 822–839 RpCAbrR2 AGA GCA GCA GAC CTT ACG 706–723 RpCAbrR3 GTT ACT TCC GCA GCT AGG 466–483 Probe amplification for FISH RpCAbrF TAC AAG GAT GCC ... sequences have a H64 also shared by A. gambiae, A. aegypti, T. gigas, D. melanogaster-2 and D. melanogaster-3 sequences (data not shown). By contrast, R. pachyptila amino acid sequences do not have any...

Ngày tải lên: 18/02/2014, 16:20

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