01108cam0-2200361---450-99000435928040332120131127104426.0980-276-004-8000435928FED01000435928(Aleph)000435928FED0100043592819990604d1986----km-y0itay50------baspaVE--------001ayFicciones<<El >>aleph<<El >>informe de brodieJorge Luis Borgesprologo Iraset Paez Urdanetacronologia y bibliografia Horacio Jorge BeccoCaracasBiblioteca Ayacucho1986XLVII, 260 p.24 cmBiblioteca Ayacucho1189863.6Borges,Jorge Luis<1899-1986>36280Becco,Horacio Jorge<1924- >Paéz Urdaneta,IrasetITUNINARICAUNIMARCBK990004359280403321863.6 BORG 2Bibl.16086FLFBCFLFBCInforme de brodie539863Aleph17622Ficciones15994UNINA01545nam 2200433 450 991015620810332120170721094140.01-4598-1298-0(CKB)3710000000985302(MiAaPQ)EBC4617114(EXLCZ)99371000000098530220170112h20172017 uy 0engurcnu||||||||rdacontentrdamediardacarrierBirthdays beyond cake and ice cream /Nikki Tate & Dani Tate-Stratton[Victoria, British Columbia] :Orca Book Publishers,2017.©20171 online resource (82 pages) color illustrations, photographsOrca Origins1-4598-1297-2 Includes bibliographical references and index.The birth of birthdays -- Celebrating birthdays around the world -- Milestone birthdays."How do you celebrate the day you joined the world? Find out whose party includes a horse race, which culture does a coming-of-age fire-ant ritual, and other wonderful ways birthdays are celebrated around the world"--Provided by publisher.Orca origins.BirthdaysJuvenile literatureBirthdays394.2Tate Nikki1248034Tate-Stratton DaniMiAaPQMiAaPQMiAaPQBOOK9910156208103321Birthdays2893878UNINA05361nam 2200661Ia 450 991078432880332120200520144314.01-280-96648-397866109664860-08-047203-6(CKB)1000000000350577(EBL)288862(OCoLC)476042621(SSID)ssj0000105945(PQKBManifestationID)11133380(PQKBTitleCode)TC0000105945(PQKBWorkID)10105812(PQKB)11543800(Au-PeEL)EBL288862(CaPaEBR)ebr10169902(CaONFJC)MIL96648(MiAaPQ)EBC288862(EXLCZ)99100000000035057720040907d2004 uy 0engur|n|---|||||txtccrArt of the helicopter[electronic resource] /John WatkinsonOxford ;Burlington, MA Elsevier Butterworth-Heinemann20041 online resource (405 p.)Includes index.0-7506-5715-4 front cover; copyright; table of contents; front matter; Preface; Acknowledgements; body; 1 Introduction to rotorcraft; 1.1 Applications of the helicopter; 1.2 A short technical helicopter history; 1.3 Types of rotorcraft; 1.4 Rotor configurations; 1.5 The essential elements; 1.6 The airframe; 1.7 Engine and transmission; 1.8 The fuel system; 1.9 The landing gear; 1.10 Oleos and ground resonance; 1.11 The rotors; 1.12 The control system; 1.13 Electrical and hydraulic system; 1.14 Instruments and avionics; 2 Technical background; 2.1 Introduction to mechanics; 2.2 Mass and density2.3 Force and acceleration2.4 Strength and rigidity; 2.5 Resultants and components offorces; 2.6 Moments and couples; 2.7 Work,energy,power and momentum; 2.8 Efficiency; 2.9 Gases and the atmosphere; 2.10 Sound; 2.11 The mechanics ofoscillation; 2.12 The mechanics ofrotation; 2.13 Sidebands; 2.14 Fourier analysis; 2.15 Centrifugal and Coriolis forces; 2.16 Rotating masses and precession; 2.17 The gyroscope; 2.18 Piezo-electric and laser gyroscopes; 2.19 Feedback; 3 Introduction to helicopter dynamics; 3.1 Creating and controlling lift; 3.2 The centre of pressure; 3.3 The coefficient of lift3.4 Collective control3.5 In the hover; 3.6 Forces on the blades; 3.7 Rotor coning; 3.8 Torque and thrust in rotors; 3.9 The rotor as an actuator; 3.10 Blade element theory; 3.11 Disc loading; 3.12 Figure of merit; 3.13 Blade twist and taper; 3.14 Swirl; 3.15 Vertical autorotation; 3.16 Tip loss and the vortex ring; 3.17Ground effect; 3.18 Cyclic control; 3.19 Basic manoeuvres; 3.20 In translational flight; 3.21 Inflow and coning roll; 3.22 Rotor H-force; 3.23 Blade stall and compressibility; 3.24 The speed limit; 3.25 Harmonic blade motion; 3.26 Sources of vibration; 3.27 Vibration control3.28 Harmonic pitch control3.29 Blade design; 4 Rotors in practice; 4.1 Introduction; 4.2 Why articulated rotors are used; 4.3 Axes galore; 4.4 Flapping; 4.5 Droop stops; 4.6Introduction to dragging; 4.7 Order of hinges; 4.8 Types of rotor head; 4.9 Zero-offset heads; 4.10 Dangers of zero-offset heads -negative g; 4.11 Rotor response; 4.12 Feathering; 4.13 Pitch control; 4.14 Cyclic trim; 4.15 Tilting heads; 4.16 Dragging dynamics; 4.17 Ground resonance; 4.18 Air resonance; 4.19 Dynamic rollover; 4.20 Some rotor head examples; 4.21 Blade construction; 4.22 Blade tracking; 4.23 Blade folding5 The tail5.1 Introduction; 5.2 Balancing the torque; 5.3 The conventional tail rotor; 5.4 Tail rotor location; 5.5 Tail rotor performance; 5.6 The tail plane; 5.7 The stabilator; 5.8 Fins; 5.9 The tail boom; 5.10 The fenestron; 5.11 NOTAR; 5.12 Tail rotor failure; 6 Engines and transmissions; 6.1 Introduction; 6.2 Choice of engine; 6.3 A piston-engine installation; 6.4 A turbine installation; 6.5 Correlators and governors; 6.6 The gasoline engine; 6.7 The ignition system; 6.8 The starter; 6.9 The oil system; 6.10 The carburettor; 6.11 Fuel injection; 6.12 The turbocharger6.13 Gasoline engine instrumentsThe modern helicopter is a sophisticated device which merges a surprising number of technologies together. This wide range of disciplines is one of the fascinations of the helicopter, but it is also makes a complete understanding difficult.Those searching for an understanding of the helicopter will find The Art of the Helicopter invaluable. John Watkinson approaches every subject associated with the helicopter from first principles and builds up in a clearly explained logical sequence using plain English and clear diagrams, avoiding unnecessary mathematics.Technical terms andHelicoptersHelicoptersAerodynamicsHelicoptersControl systemsHelicoptersElectric equipmentHelicopters.HelicoptersAerodynamics.HelicoptersControl systems.HelicoptersElectric equipment.629.133352Watkinson John1950-471352MiAaPQMiAaPQMiAaPQBOOK9910784328803321Art of the helicopter1212901UNINA03985nam 2200601 450 991082013390332120230807220032.090-04-27994-610.1163/9789004279940(CKB)3710000000436159(EBL)2076201(OCoLC)912288446(SSID)ssj0001536243(PQKBManifestationID)11886841(PQKBTitleCode)TC0001536243(PQKBWorkID)11509807(PQKB)11569459(MiAaPQ)EBC2076201(OCoLC)912288446(OCoLC)912238439(OCoLC)914434252(nllekb)BRILL9789004279940(Au-PeEL)EBL2076201(CaPaEBR)ebr11068495(CaONFJC)MIL803013(EXLCZ)99371000000043615920150707h20152015 uy| 0engur|n|---|||||txtrdacontentcrdamediacrrdacarrierChinese research perspectives on population and laborVolume 2From demographic dividend to institutional dividend /chief editor, Cai Fang ; associate editor, Wang MeiyanLeiden ;Boston :Brill,[2015]©20151 online resource (xii, 220 pages) illustrations, tablesChinese research perspectives. Population and labor,2212-7518Includes index.90-04-27993-8 Preliminary Material -- 1 A Nationwide Monitoring Survey Report on Migrant Workers in 2012: Household Survey Office, National Bureau of Statistics /Liquan Peng -- 2 Labor Supply and Policies during the New Stage of Economic Development /Yang Du and Yang Lu -- 3 The Cost of Household Registration System Reform and the Push for Urbanization with Equal Provision of Basic Public Services /Xiaobo Qu and Jie Cheng -- 4 A Roadmap for Reforming China’s Household Registration System /Kam Wing Chan -- 5 Changes in the Levels of Consumption by Migrant Workers and Determining Factors /Meiyan Wang -- 6 Proactive Employment Policies Targeting Groups with Employment Difficulties /Yang Du and Jie Cheng -- 7 Social Protection is not a ‘Negative Incentive’: Resolving “Mill’s Dilemma” as the Stage of Development Changes /Fang Cai -- 8 Demand and Supply of Human Capital and the Transformation and Development of Higher Education in the Age of Mass Higher Education /Ruiwen Hu , Haishui Zhang and Xi Zhu -- 9 The Lewisian Turning Point and a New Model of Economic Growth /Yiping Huang -- Index.This English-language volume is an edited collection of articles selected from the 2013 Chinese-language volume of the Green Book of Population and Labor . This volume starts with an overview report on a nationwide survey on migrant workers in 2012, conducted by the Household Survey Office at the National Bureau of Statistics. This survey report provides information on the size, movements, employment, housing and social security situation of migrant workers in China. Other topics discussed in this volume include labor supply and policies, household registration system reform, employment policies and social protection of “vulnerable” groups in China. Like other volumes in the series, this volume intends to draw lessons from the experiences and discuss trends of the labor market in China. Chinese Research Perspectives on Population and Labor is a co-publication between Brill and Social Sciences Academic Press (China).Chinese Research Perspectives2.Labor supplyChinaChinaPopulationLabor supply331.10951Cai FangWang Meiyan1975-MiAaPQMiAaPQMiAaPQBOOK9910820133903321Chinese research perspectives on population and labor3934486UNINA