... appropriate and reasonable empirical data are available for calculating the necessary sample size that would allow a high chance to detect a significant difference across conditions Because of ... rehabilitation (CR) and who will meet inclusion criteria of having had a medical diagnosis of Coronary Heart Disease (CHD) and being affected by major cardiovascular risk factors will be asked and ... study) and to a situational concurrent format The first study to establish the validity and reliability of the measure indicated that the a priori scales had adequate internal reliability (from a...
Ngày tải lên: 11/08/2014, 23:23
... have been primarily in the 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 ... simulates the actions of a cleaner until a threshold number of clean segments is available again In each run the simulator was allowed to run until the write cost stabilized and all coldstart variance ... separate data area of these database systems means that they not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space The space occupied by the log in a database system can...
Ngày tải lên: 12/09/2012, 15:05
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... processes and variables are modelled mathematically Furthermore, the MATLAB program can convert a MATLAB design into a C-code design in a relatively straightforward manner Hence, this stage of the ... Therefore, data acquisition, debugging and fault logging are realized • × fast A/ D (Analogue to Digital) converters with 10-bit resolution make the computation of accurate, real-time phase current measurements ... to generate a means of instantaneously controlling the torque and flux Field-orientated controllers require control of both magnitude and phase of the AC quantities and are, therefore, also referred...
Ngày tải lên: 27/10/2013, 23:15
Design and Simulation of A CMOS-MEMS Accelerometer
... 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 Figure 5.4 The capacitance ratios ... first-generation accelerometer were performed on a probe station Table lists major parameters of the device Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the ... Integrate During the Sample phase, Vs+ and Verror are sampled to sampling capacitor Ci1, and Vs- is sampled to Ci2 At the same time, integration capacitors Cf1 and Cf2 are reset to zero charge, and...
Ngày tải lên: 27/10/2013, 23:15
Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc
... 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 Figure 5.4 The capacitance ratios ... first-generation accelerometer were performed on a probe station Table lists major parameters of the device Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the ... Integrate During the Sample phase, Vs+ and Verror are sampled to sampling capacitor Ci1, and Vs- is sampled to Ci2 At the same time, integration capacitors Cf1 and Cf2 are reset to zero charge, and...
Ngày tải lên: 22/12/2013, 08:16
Design, fabrication, and characterization of a solenoidsystem to generate magnetic field for an ECR proton source
... analysis of Langmuir probe characterization for ECR plasma Indian J Phys 80: 1011–1015 Jain S K, Jain A, Hannurkar P R, Kotaiah S 2007 Characterization of plasma parameter, first beam results, and ... solutions and precision measurements Nucl Instr Meth Phys Res A2 98: 13–21 Bhawalkar D D, Bhujle A G, Fatnani P, Hannurkar P R, Joshi S C, Karmarkar M G, Kotaiah S, Mhaskar S P, Pande S A, Prabhu S ... Poisson software for (a) mirror magnetic field, and (b) flat magnetic field are shown in figure The calculation was also performed analytically (Montgomery 1966) using standard relations for calculating...
Ngày tải lên: 22/12/2013, 08:58
Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc
... 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 ... 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 ... TCP flows and UDT flows between SARA and StarLight Realtime snapshot of the throughput The UDT flows have similar performance and leave enough space for TCP flows TCP Friendliness • Impact on short...
Ngày tải lên: 15/01/2014, 15:59
Tài liệu The Design and Performance of a Real-time CORBA Event Service doc
... registration, location, and actiThe CORBA Event Service model simplifies application vation; request demultiplexing; framing and error-handling; parameter marshalling and demarshalling; and operation ... Proxies If data was not availHigh Level able to be pulled, the calling I/O Facade would need to block I/O Facade I/O Facade I/O Facade Abstraction awaiting a result In order for the I/O Facade to ... such as Forward Looking Infrared Radar, requires a new Sensor Proxy, I/O Facades must be altered to take advantage of the new technology ample has the following participants: Aircraft Sensors: Aircraft-specific...
Ngày tải lên: 19/02/2014, 18:20
Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx
... derivation can be found with inflection Halle gives examples of accidental gaps such as defective paradigms, phonological irregularity (accentuation of Russian nouns) and idiosyncratic meaning Also, ... evident as large natural language processing systems are being developed For instance, a translation system or any other type of natural language processing program that must be able to handle ... is what I would call "practical 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...
Ngày tải lên: 22/02/2014, 09:20
The Design and Implementation of a Sequence Database System * docx
... on Management of Data, May 1994 [CS92] RakeshChandmand Arie Segev.ManagingTemporalFinancial Data in anExtensible Database.In Proceedings of the International Conference on Very Large Databases(VWB), ... supports relational data as well as sequencedata, using a novel design paradigm of enhancedabstractdata types (BADTs ) The systemimplementation basedon this paradigmallows sequence relational queriesto ... valueis created,or determinedautomatically by the system Catalog Management: Each E-ADT can provide catalogs that maintain statisticsand storeschemainformation Further, certain valuesmay be named Query...
Ngày tải lên: 16/03/2014, 16:20
Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx
... Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier Using The Modern Microstrip Technology For Application In The National ... outputs of port and port But now look closer at the scattering matrix We also note that the ports and of this device are matched It looks a lot like a lossless 3dB divider, only with an additional ... have also investigated the S11 factor of the power divider Wilkinson on network analyzer, the result was relatively similar to that of the simulink model Afterthat we have measured the characteristics...
Ngày tải lên: 22/03/2014, 11:20
The Design and Implementation of a Java Virtual Machine on a Cluster of Workstations pptx
Ngày tải lên: 23/03/2014, 22:21
Báo cáo Y học: Synthesis, conformational analysis and biological activity of cyclic analogs of the octadecaneuropeptide ODN Design of a potent endozepine antagonist pot
... Slobodyansky, E., Guidotti, A. , Wambebe, C., Berkovich, A & Costa, E (1989) Isolation and characterization of a rat brain triakontatetraneuropeptide, a posttranslational product of diazepam binding ... conclusion, we have shown that head-to-tail cyclization of the ODN agonist OP and the weak antagonist [D -Leu5]OP enhances their biological activity on rat astrocytes leading to a super-agonist and to ... number of solutions A range of ^ 308 was used for defining the upper and lower angle of the constraints The structures were generated from the experimental data with a standard dynamical simulated annealing...
Ngày tải lên: 24/03/2014, 04:21
Báo cáo khoa học: Insights into the design of a hybrid system between Anabaena ferredoxin-NADP+ reductase and bovine adrenodoxin pot
... providing a large amount of information about its interaction and ET properties to Fd, Fld and NADP+ [8–11] Three-dimensional structures of Anabaena wild-type (WT) FNR, several of its mutants and of ... recorded after addition of CYP1 1A1 to an anaerobic CO-saturated sample containing the reaction mixture FNRrd/Adxox gave rise to a peak at 450 nm together with absorbance decreases at 390, 430 and ... the anaerobic reaction between FNRrd and Adxox using a constant FNR concentration and increasing [Adxox]/[FNRrd] ratios (A) Time-course for the anaerobic reaction between FNRrd and Adxox as followed...
Ngày tải lên: 31/03/2014, 07:20
the symbian os architecture sourcebook design and evolution of a mobile phone os
... Australia and New Zealand By the mid-1990s, new GSM networks had sprung up globally from the Philippines and Thailand to Iran, Morocco, Latvia and Russia, as well as in the Americas and to a lesser ... Communicator was classified by market analysts as a PDA, partly because it had a keyboard, but also partly because Symbian phones really were a new category, and analysts didn’t quite know what to ... Protea project, one which caused a succession of headaches for Geert Bollen, was the lack of real hardware Software development started well ahead of the availability of any prototype hardware...
Ngày tải lên: 01/06/2014, 11:21
báo cáo hóa học: " The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements" docx
... supported in part by an Ontario Graduate Scholarship, Natural Sciences and Engineering Research Council of Canada and the Canada Research Chairs program The authors acknowledge Mr Ka Lun Tam for his ... the 1.2-2.5 range, and was adjusted for each participant such that false activations due to blinks and movement were avoided and participants were able to activate the switch by raising their ... Acoustic and surface EMG diagnosis of pediatric muscle disease Muscle Nerve 1990, 13(4):286-290 23 Akataki K, Mita K, Watakabe M: Electromyographic and mechanomyographic estimation of motor unit activation...
Ngày tải lên: 19/06/2014, 08:20
Báo cáo hóa học: " Advancing donor management research: design and implementation of a large, randomized, placebo-controlled trial" pot
... across a wide variety of critically ill patients with acute pulmonary edema Inhaled beta-2 agonists increase the rate of alveolar fluid clearance and reduce pulmonary edema in both animal and human ... 4California Transplant Donor Network, Oakland, CA, USA 5Department of Medicine, University of California, San Francisco, CA, USA 6Department of Anesthesia, University of California, San Francisco, CA, ... volume of at least 10 ml/kg of actual body weight and PEEP of at least mmHg with further increases up to a maximum of 15 ml/kg mandated if PaO on FiO of 1.0 was < 500 and/ or chest radiograph was...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Research Article Design and Implementation of a Lightweight Security Model to Prevent IEEE 802.11 Wireless DoS Attacks" pdf
... consists of two areas as authorized and attacker The authorized area consists of two wireless stations associated to the access point which follow the IEEE 802.11 standard MAC layer The attacker area ... [2] investigated the control frames vulnerabilities and adopted enhanced hmac-md5 and hmacsha1 (EHMAC) algorithms The format of RTS, CTS, and ACK frames was modified by adding extra 80 to 160 ... identical to the standard model The summary of comparison between the accuracy rate of the ACFNC model and the standard model is provided in Table 6.4 Performance Evaluation of the STSF in the ACFNC...
Ngày tải lên: 21/06/2014, 05:20
Báo cáo hóa học: " Research Article Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor Network" pdf
... is the farad; farad = coulomb per volt; typical capacitances are measured in microfarads or picofarads) 5.2.1 The Virtual Capacitor To implement the law of Coulomb, a TinyOS application was developed ... 5.3.1 Battery Emulation For a battery emulation of 3.49 V and 2000 mAh, we could define a full battery with initial voltage of 3.49 V and a harverster which is equal to zero and a capacitor of 2063 ... 3B37 3A2 8 3B49 3B50 3A2 6 3B53 3A2 7 Controller 3A3 1 3A2 2 3A2 3 3A1 4 3A1 1 3A1 9 3B51 3B54 3A2 0 3A7 3B35 3B38 3A4 3A1 3A1 0 3A1 5 3A8 3A1 6 3B42 3B46 3A2 1 3A1 8 3A9 3A2 3A6 3A3 Figure 12: Spatial distribution...
Ngày tải lên: 21/06/2014, 11:20