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LOW FREQUENCY IGBT CONVERTER FOR CONTROL EXCITING FORCE OF ELECTROMAGNETIC VIBRATORY CONVEYORS

LOW FREQUENCY IGBT CONVERTER FOR CONTROL EXCITING FORCE OF ELECTROMAGNETIC VIBRATORY CONVEYORS

... low-frequency IGBT switching converter for excitation force control of resonant EVCD. Key Words: Vibratory conveyor, vibratory actuator, current control, force control, power converte, ... control and high performance exciting force control. The principle scheme of the realized system with IGBT power converter is given in Fig.10. Detailed description of this IGBT converter is given ... Fig.10. Principal diagram of implemented IGBT converter for current control of EVCD The mass change was achieved with from to value . Oscilloscopic records for mass load (empty vibratory trough)...

Ngày tải lên: 03/01/2014, 19:15

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Research on a novel buck boost converter for wind turbine systems

Research on a novel buck boost converter for wind turbine systems

... waveform when the dc voltage is 50V. Fig. 13. Output current waveform when the dc voltage is 100V. Fig. 14. Output current waveform when the dc voltage is 200V. Fig.15. Output current waveform ... thus demanding a buck-boost operation of converters. Many traditional full-bridge buck converters, two-stage converters and single-stage buck-boost converters either have complex structure ... as shown in Figure 3. The simulation waveforms for the buck-boost inverter subject to a variable dc voltage sources, controlled by an open loop feedforward compensation [3], are shown in Figure...

Ngày tải lên: 03/01/2014, 19:16

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Tài liệu A junk‐free childhood: Responsible standards for marketing foods and beverages to children doc

Tài liệu A junk‐free childhood: Responsible standards for marketing foods and beverages to children doc

... 0‐12* *≥50%ofaudiencemustbechildren;**≥35%ofaudiencemustbechildren;***≥30%ofaudiencemustbe children.****≥25%ofaudiencemustbechildren.~unlessanadultispresent.~~unlessadults predominate. + ≥35% for someshowsand≥50% for others. ++ 11 for printmedia,otherwise12.   Whichproductscanbepromoted?  IntheUSAalargenumberofcompany‐promotedmodelshavebeenproposed for defining thenutritionalcriteria for foodstobemarketedtochildren 21 andasimilarproblemhas ariseninEurope.Thenexttablegivesexamplesofnutrientmethods for definingfoodsas suitable for marketingtochildren,asproposedbysomeofthecompaniesintheEUpledge:  Table2Company‐setcriteria for foodstheycanmarkettochildren Company ... 8   Thefollowingtablegivessomeexamplesoffoodswhichcompaniesstatetheycanmarketto childrenaccordingtotheirownnutritionalcriteria,andtheratingofthosefoodsunder threegovernment‐ledcategorisationsystems:theUKOfcomRegulations for TVmarketing tochildren, 22 theNordicKeyholescheme for defininghealthierfoodproducts 23 andthe proposedUSInteragencyWorkingGroupscheme for voluntaryrestrictionsonmarketingto children 24 .  Table3Productcomparisonsofcriteriaallowingmarketing Companyand Product Company owncriteria Ofcom criteria Keyhole criteria Interagency criteria Kellogg CocoPops ... No   Whichmedia?  Companiesdifferintheextentoftheircoverage for self‐regulatingtheirmarketing messagestochildren,withsomeincludingproductplacement,useoflicensedcharacters andtheirownbrandedsitesinthedefinitionofmarketing.Thedefinitionofwhat constituteschild‐targetedmediavaries: for exampleNestlé 25 definesmarketingtochildren asbeing‘amarketingactivitywhereadultsupervisionisnotpresent’andcommunicationin media‘whereadultaudienceisnotpredominant’.  Thetablebelowshowssomeexamplesofthecoverageofcompanypledgesacrossmedia includedunderself‐regulation.Notethat for somemediathecompanies imposecertain  22 UKOfficeofCommunications(Ofcom)2007.See http://stakeholders.ofcom.org.uk/consultations/foodads_new/statement/andsee http://collections.europarchive.org/tna/20100927130941/http://food.gov.uk/healthiereating/advertisingtochi ldren/nutlab/nutprofmod 23 DevelopedbytheSwedishNationalFoodAdministrationtodefinehealthierfoodproducts,andnowusedin Sweden,NorwayandDenmark.Seehttp://www.slv.se/en‐gb/Group1/Food‐and‐Nutrition/Keyhole‐symbol/ andseehttp://www.norden.org/en/news‐and‐events/news/first‐anniversary‐nordic‐consumers‐want‐more‐ keyhole‐food 24 FederalTradesCommission (2011) InteragencyWorkingGroupSeeksInputonProposedVoluntaryPrinciples for MarketingFoodtoChildren.Seehttp://www.ftc.gov/opa /2011/ 04/foodmarket.shtm 25 Seehttp://www.conar.org.br/html/livro/REF49NESTLE%20‐ %20EU%20Pledge%20Nestle%20Commitment.pdf ...

Ngày tải lên: 18/02/2014, 02:20

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Báo cáo khoa học: 15 N-Labelled proteins by cell-free protein synthesis Strategies for high-throughput NMR studies of proteins and protein–ligand complexes doc

Báo cáo khoa học: 15 N-Labelled proteins by cell-free protein synthesis Strategies for high-throughput NMR studies of proteins and protein–ligand complexes doc

... high yields in vivo are also suitable for efficient production by cell -free synthesis. In order to compensate for the increased effort and expense required for the produc- tion and selective isotope ... [ 15 N]-labelled proteins makes it an attractive tool for preliminary studies prior to the production of uniformly [ 15 N ⁄ 13 C]- labelled samples for in-depth NMR analysis. Much information can be gleaned already ... [ 15 N]-labelling achieved by cell -free pro- tein synthesis has been demonstrated for each of the 19 nonproline residues [18]. Time and expense can be drastically reduced by use of cell -free systems [11,18,21],...

Ngày tải lên: 07/03/2014, 12:20

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Learning Core Audio: A Hands-On Guide to Audio Programming for Mac and iOS ppt

Learning Core Audio: A Hands-On Guide to Audio Programming for Mac and iOS ppt

... between Mac and iOS, either in the APIs themselves or in how they work on the different platforms. For the parts of Core Audio that are unique to iOS, see Chapter 10. Our baseline SDK for this ... baseline SDK for this book is Xcode 4.2, which includes the SDKs for Mac OS X 10.7 (Lion) and iOS 5. For Core Audio development on a Mac, you don’t need any- thing else:All the libraries, headers, ... Sales international@pearsoned.com Visit us on the Web: informit.com/aw Library of Congress Cataloging-in-Publication Data Adamson, Chris, 1967- Learning Core audio : a hands-on guide to audio programming for Mac and iOS / Chris Adamson,...

Ngày tải lên: 15/03/2014, 16:20

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MEALS ARE FREE UNLESS OTHERWISE NOTED: For additional listings provided by the Meals Partnership Coalition pot

MEALS ARE FREE UNLESS OTHERWISE NOTED: For additional listings provided by the Meals Partnership Coalition pot

... 10, 2012 for web OUTREACH BREAKFAST 400 East Pike Street Seattle 206-322-7411 Breakfast: 2 nd and 4 th Saturdays. Open to all PACIFIC ASIAN EMPOWERMENT PROGRAM 270 So. Hanford St., ... PSKS—PEACE for THE STREETS by KIDS FROM THE STREETS 1814 Summit Avenue, Seattle 206-726-8500 Lunch: Tuesday – Friday 11:00 AM – 1:00 PM Criteria: Open to youth up to age 21. * Information ... 21. * Information not updated prior to publication. Please contact office for meal time. 3 Revised December 10, 2012 for web COMMUNITY LUNCH on CAPITOL HILL 1710 – 11 th In the Parish...

Ngày tải lên: 22/03/2014, 21:20

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Free HD Video Converter Factory- Công cụ chuyển đổi video miễn phí pptx

Free HD Video Converter Factory- Công cụ chuyển đổi video miễn phí pptx

... nhiều công cụ miễn phí. Trong đó có một số công cụ đáp ứng nhu cầu là Free HD Video Converter Factory. Free HD Video Converter Factory (FHDCF) là ứng dụng chuyển đổi video mạnh mẽ, đánh tin ... Thao tác chụp hình Free HD Video Converter Factory là phiên bản miễn phí sẽ hạn chế và không có nhiều tính năng như phiên bản Pro. >> Download phần mềm Free HD Video Converter Factory ... ra 1 cửa số để kéo lựa chọn định dạng. Ở đây thông dùng chọn HD Video/ HD AVI Video. Free HD Video Converter Factory cũng còn hỗ trợ thêm Multi-CPU( nhiều CPU xử lý) và Hyper Threading (...

Ngày tải lên: 25/03/2014, 17:20

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Best Practice Policy Statement on Cryosurgery for the Treatment of Localized Prostate Cancer pptx

Best Practice Policy Statement on Cryosurgery for the Treatment of Localized Prostate Cancer pptx

... 92% for low-risk disease 4,5 , 69% and 89% for intermediate-risk disease, and 48% and 91% for high-risk disease. Long-term data regarding either metastasis -free or disease-specific survival for ... refer to the AUA's PSA Best Practice Statement: 2009 Update for the latest AUA recommendation regarding PSA testing. Best Practice Policy Statement on Cryosurgery for the Treatment of Localized Prostate ... followed. 29 x Tissue Freeze Rate – Rapid freezing is recognized as being more destructive than slow freezing. Cancer cells have the opportunity to “adapt” under conditions of slow freezing by losing...

Ngày tải lên: 28/03/2014, 23:20

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unix for mac your visual blueprint to maximizing the foundation of mac os x 2003

unix for mac your visual blueprint to maximizing the foundation of mac os x 2003

... Mac OS X computer, because at the core, Mac OS X is Unix. For most users, the Unix foundation for Mac OS X operates behind the scenes; they may use Mac OS X for years without needing to directly ... Linux, there are several free versions of BSD Unix, known as Free BSD, Open BSD, and Net BSD. Mac OS X is a cousin to these free BSD operating systems, but is not itself a free operating system. The ... such as OpenOffice.org, Gimp, XFree, Fink, and other open source software. See the appendix for more information on software included on the companion CD. Unix for Mac: Your visual blueprint to...

Ngày tải lên: 24/04/2014, 09:20

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sams teach yourself core data for mac and ios in 24 hours 2nd (2012)

sams teach yourself core data for mac and ios in 24 hours 2nd (2012)

... basics for Mac OS and for Cocoa. . Chapter 9, “Fetching Data”—Just as the SQL SELECT statement is the heart of data retrieval for SQL databases, fetching data is the heart of data retrieval for ... developer programs and to choose the one that makes sense for you. Hello, App Development for Mac OS X and iOS To get started, register and sign up for a developer program so you can download Xcode from ... want to work on the projects you want to work on. (An iPhone app? A Mac OS app? And if you work for Apple, Mac OS X itself?) For these reasons, there is no sequential way to start working with...

Ngày tải lên: 24/04/2014, 09:59

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core animation for mac os x and the iphone

core animation for mac os x and the iphone

... . . . . 63 5.6 Layer Backing and Performance Concerns . . . . . . . 65 Prepared exclusively for Ki Wan Han What readers are saying about Core Animation for Mac OS X and the iPhone Animation isn’t ... the API and the ideas behind it. Chris Adamson Author of QuickTime for Java: A Developer’s Notebook It’s great to see a book for Mac developers that focuses on one topic and does it well. Its pace ... unnecessary detail. Steve (“Scotty”) Scott The Mac Developer Network ( http://www.macdevnet.com) Finally! The comprehensive how-to guide we’ve been waiting for on all our Core Animation needs. Eric...

Ngày tải lên: 24/04/2014, 14:58

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learn excel 2011 for mac

learn excel 2011 for mac

... Learn Excel 2011 for Mac Guy Hart-Davis Master data management, analysis, and automation with Excel 2011 for Mac Companion eBook Available RELATED TITLES Hart-Davis Learn Excel 2011 for Mac SOURCE ... level: Beginning-Intermediate www.apress.com BOOKS FOR PROFESSIONALS BY PROFESSIONALS đ I ts easy to get started with Microsoft Excel 2011 for Mac, but to make the most of Excel, you need to dig deep into it. Learn Excel 2011 for Mac provides ... also contains items for filling the cells with formatting only (copying the formatting from the first cell), filling the cells without formatting (ignoring the first cell’s formatting), and filling...

Ngày tải lên: 05/05/2014, 11:40

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learn office 2011 for mac os x

learn office 2011 for mac os x

... Wimpsett for editing the manuscript with care ã Adam Heath for coordinating the book project and keeping things running ã MacPS, LLC for laying out the chapters of the book ã John Collin for creating ... Document (.docx) format, Excel suggests the Excel Workbook (.xlsx) format, and PowerPoint suggests the PowerPoint Presentation (.pptx) format.  You may need to use a different format for sharing ... 461 Nesting Parts of Formulas to Control Operator Precedence 462 Entering Formulas Quickly by Copying and Using AutoFill 463 Troubleshooting Common Problems with Formulas 463 Performing Standard...

Ngày tải lên: 05/05/2014, 14:45

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Báo cáo toán học: " Reference-free time-based localization for an asynchronous target" pot

Báo cáo toán học: " Reference-free time-based localization for an asynchronous target" pot

... F: Closed-form formulae for time-difference-of-arrival estimation. IEEE Trans. Signal Process. 56(6), 2614–2620 (2008) [32] Gillette, M, Silverman, H: A linear closed-form algorithm for source ... proposed reference -free localization estimators based on TOA measurements for a scenario, where anchors are synchronized, and the clock of the target node runs freely. The reference -free estimators ... appropriate indication of the localization performance is the Cram ´ er-Rao bound (CRB), which is a bound for unbiased estimators. Therefore, the CRB based on (1) for TOAs with a distance bias is derived...

Ngày tải lên: 20/06/2014, 20:20

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