WorldWideScience

Sample records for wind annex xx

  1. Annexes

    OpenAIRE

    2014-01-01

    ANNEXE 1. LES SEXENNATS PRÉSIDENTIELS AU MEXIQUE Luis Echeverria 1970-1976 José Luis Portillo 1976-1982 Miguel de La Madrid 1982-1988 Carlos Salinas de Gortari 1988-1994 ANNEXE 2. SIGLES ET TERMES SPÉCIFIQUES ALENA Accord de libre échange nord-américain ANAGSA Assurance nationale pour l’agriculture (société anonyme) CCI Confédération paysanne indépendante CEPAL Commission économique pour l’Amérique latine CETES Équivalent des bons du Trésor CFE Compagnie fédérale d’électricité Charros (leader...

  2. Annexes

    OpenAIRE

    Didier, Anouchka

    2013-01-01

    Exemples de mise en œuvre pratique des méthodes d’évaluation des dommages écologique purs par les organes juridictionnels américains Annexe I – Graphique de la fonction d’évaluation construite dans le cadre de l’enquête « Exxon Valdez CV Survey Instrument » Figure A1 – Pourcentage d’individus disposés à payer en fonction du coût des programmes Source : Carson et al. « Contingent Valuation and Lost Passive Use : Damages from the Exxon Valdez Oil Spill », 25 Environmental and Resource Economic...

  3. Rotor equivalent wind speed for power curve measurement – comparative exercise for IEA Wind Annex 32

    DEFF Research Database (Denmark)

    Wagner, Rozenn; Cañadillas, B.; Clifton, A.

    2014-01-01

    A comparative exercise has been organised within the International Energy Agency (IEA) Wind Annex 32 in order to test the Rotor Equivalent Wind Speed (REWS) method under various conditions of wind shear and measurement techniques. Eight organisations from five countries participated in the exercise...... or various lidars). The participants carried out two preliminary steps in order to reach consensus on how to implement the REWS method. First, they all derived the REWS for one 10 minute wind speed profile. Secondly, they all derived the power curves for one dataset. The main point requiring consensus...

  4. Rotor equivalent wind speed for power curve measurement - comparative exercise for IEA Wind Annex 32

    Science.gov (United States)

    Wagner, R.; Cañadillas, B.; Clifton, A.; Feeney, S.; Nygaard, N.; Poodt, M.; St. Martin, C.; Tüxen, E.; Wagenaar, J. W.

    2014-06-01

    A comparative exercise has been organised within the International Energy Agency (IEA) Wind Annex 32 in order to test the Rotor Equivalent Wind Speed (REWS) method under various conditions of wind shear and measurement techniques. Eight organisations from five countries participated in the exercise. Each member of the group has derived both the power curve based on the wind speed at hub height and the power curve based on the REWS. This yielded results for different wind turbines, located in diverse types of terrain and where the wind speed profile was measured with different instruments (mast or various lidars). The participants carried out two preliminary steps in order to reach consensus on how to implement the REWS method. First, they all derived the REWS for one 10 minute wind speed profile. Secondly, they all derived the power curves for one dataset. The main point requiring consensus was the definition of the segment area used as weighting for the wind speeds measured at the various heights in the calculation of the REWS. This comparative exercise showed that the REWS method results in a significant difference compared to the standard method using the wind speed at hub height in conditions with large shear and low turbulence intensity.

  5. DTU contributions to IEA Wind Annex 25 Phase 2

    DEFF Research Database (Denmark)

    Sørensen, Poul Ejnar; Cutululis, Nicolaos Antonio; Meibom, Peter

    actively followed parallel activities with Transmission System Operators other R&D Task work. The participants have collected and shared information on the experience gained and the studies made up to and during the task. The case studies have addressed different aspects of power system operation...... and design, mainly: balancing, grid impacts and capacity credit of wind power. In the meetings, all participants have made presentations of the wind integration issues in their country, results so far and on-going activities. In the latest meetings presentations have been grouped to different topics...

  6. DTU contributions to IEA Wind Annex 25 Phase 2

    Energy Technology Data Exchange (ETDEWEB)

    Soerensen, Poul; Cutululis, N.; Meibom, P.

    2012-10-15

    The objective of Task 25 is to analyse and further develop the methodology to assess the impact of wind power on power systems. The Task has established an international forum for exchange of knowledge and experiences related to power system operation with large amounts of wind power and has actively followed parallel activities with Transmission System Operators other R and D Task work. The participants have collected and shared information on the experience gained and the studies made up to and during the task. The case studies have addressed different aspects of power system operation and design, mainly: balancing, grid impacts and capacity credit of wind power. In the meetings, all participants have made presentations of the wind integration issues in their country, results so far and on-going activities. In the latest meetings presentations have been grouped to different topics to better dwell into the details of modelling challenges. In addition, there has been some telephone/web meetings for the journal articles and Recommendations report. In the Task 25 meetings, updates from other international work are also given (EU/TPWIND and SET-Plan, IEEE, IPCC). TSO collaboration is important for Task 25 work. There has been TSO participation in all meetings, with the participants from Canada, Denmark and Italy in most meetings and some other countries sending TSO participants in fewer meetings. (Author)

  7. Fundamentals for remote structural health monitoring of wind turbine blades - a preproject. Annex B. Sensors and non-destructive testing methods for damage detection in wind turbine blades

    DEFF Research Database (Denmark)

    Lading, Lars; McGugan, Malcolm; Sendrup, P.

    2002-01-01

    This annex provides a description of the sensor schemes and the non-destructive testing (NDT) methods that have been investigated in this project. Acoustic emission and fibre optic sensors are described in some detail whereas only the key features ofwell-established NDT methods are presented...

  8. Offshore Code Comparison Collaboration within IEA Wind Annex XXIII: Phase III Results Regarding Tripod Support Structure Modeling

    Energy Technology Data Exchange (ETDEWEB)

    Nichols, J.; Camp, T.; Jonkman, J.; Butterfield, S.; Larsen, T.; Hansen, A.; Azcona, J.; Martinez, A.; Munduate, X.; Vorpahl, F.; Kleinhansl, S.; Kohlmeier, M.; Kossel, T.; Boker, C.; Kaufer, D.

    2009-01-01

    Offshore wind turbines are designed and analyzed using comprehensive simulation codes. This paper describes the findings of code-to-code verification activities of the IEA Offshore Code Comparison Collaboration.

  9. Fundamentals for remote structural health monitoring of wind turbine blades - a preproject. Annex A. Cost-benefit for embedded sensors in large wind turbine blades

    DEFF Research Database (Denmark)

    Hansen, L.G.; Lading, Lars

    2002-01-01

    -bladed 2MW turbine placed offshore either without sensors or with sensors are compared. The price of a structural health monitoring system of a price of 100 000 DKK (per tur-bine) results in a break-eventime of about 3 years. For a price of 300 000 DKK the break-even time is about 8 years. However......This report contains the results of a cost-benefit analysis for the use of embed-ded sensors for damage detection in large wind turbine blades - structural health monitoring - (in connection with remote surveillance) of large wind turbine placedoff-shore. The total operating costs of a three...

  10. Fundamentals for remote structural health monitoring of wind turbine blades - a preproject. Annex E. Full-scale test of wind turbine blade, using sensors and NDT

    OpenAIRE

    Kristensen, O.J.D.; McGugan, Malcolm; Sendrup, P.; Rheinländer, J.; Rusborg, J.; Hansen, A.M.; Debel, C.P.; Sørensen, Bent F.

    2002-01-01

    A 19.1 metre wind turbine blade was subjected to static tests. The purpose of the test series was to verify the abilities of different types of sensors to detect damage in wind turbine blades. Prior to each of the static test-series an artificial damagewas made on the blade. The damage made for each test-series was surveyed during each series by acoustic emission, fiber optic micro bend displacement transducers and strain gauges. The propagation of the damage was determined by use of ultra so...

  11. Fundamentals for remote structural health monitoring of wind turbine blades - a preproject. Annex C. Fibre transducer for damage detection in adhesive layers of wind turbine blades

    DEFF Research Database (Denmark)

    Sendrup, P.

    2002-01-01

    -bends and a suggestion for a micro-bend transducer design specifically suitable for detection of damage in adhesive layers between larger composite structures, as the shellsin a wind turbine blade. Such a damage will cause the joined parts to move slightly relative to each other, and the transducer is designed to change...

  12. Fundamentals for remote structural health monitoring of wind turbine blades - a pre-project. Annex B - Sensors and non-destructive testing methods for damage detection in wind turbine blades

    Energy Technology Data Exchange (ETDEWEB)

    Lading, L.; McGugan, M.; Sendrup, P.; Rheinlaender, J.; Rusborg, J.

    2002-05-01

    This annex provides a description of the sensor schemes and the non-destructive testing (NDT) methods that have been investigated in this project. Acoustic emission and fibre optic sensors are described in some detail whereas only the key features of well-established NDT methods are presented. Estimates of the cost of different sensor systems are given and the advantages and disadvantages of the different schemes is discussed. (au)

  13. Annex 35: Hybvent

    DEFF Research Database (Denmark)

    Heiselberg, Per

    The Annex 35 research project is aiming at a better knowledge of hybrid systems and focusing on development of control strategies and performance prediction methods for hybrid ventilation in new and retrofitted office buildings. Its main objectives are: • to develop control strategies for hybrid...... ventilation systems in new and retrofitted office and educational buildings • to develop methods to predict ventilation performance in hybrid ventilated buildings • . to select suitable measurement techniques for diagnostic purposes to be used in . buildings with hybrid ventilation systems • to promote energy...... and cost effective hybrid ventilation systems in office and educational buildings...

  14. Mister XX

    Directory of Open Access Journals (Sweden)

    Miletić Marija

    2016-01-01

    Full Text Available Female pseudohermaphroditism represents discrepancy between karyotype and gonadal features on one side and a psychogenic phenotype on the other. Congenital adrenal hyperplasia is the part of the spectrum of female pseudohaermaofroditism and is due to an enzyme deficiency in steroidogenesis. More than 95% of patients have 21 hydroxylase deficiency which leads to a lack of cortisol and ACTH hypersecretion of pituitary, overproduction of 17 hydroxy progesterone (17OHP and androgens and adrenal cortex hyperplasia. The clinical phenotype is classified as classical and nonclassical (aka. 'Late onset' form. The classic form is represented as salt-waisting and simply virilizing, depending on the degree of lack of aldosterone. Pathophysiology of CAH due to the lack of 21α hydroxylase is closely associated with the degree of enzyme deficiency. Overproduction of androgens is leading to accelerated virilisation. Classical form is manifested in childhood and is characterized by the overproduction of cortisol precursors and adrenal androgens. In the most severe form, co-aldosterone deficiency leads to loss of salt with all the complications. Girls with the classical form of CAH typically have am ambiguous genitals at birth due to high concentrations of androgens in utero. CAH due to 21OH deficiency is the most common cause of ambiguous genitals in 46XX newborns. Characteristically, the clitoris is enlarged, partially fused labia maiora and a common urogenital sinus at the site of the urethra and vagina. The uterus, Fallopian tubes and ovaries are present and normal, a structures of Wolfian duct are absent. When diagnosed in childhood 46XX CAH patients has been assigned female gender so far, even in fully expressed in virilised external genitalia. This dogmatic approach is based on preserving fertility, and if there was at least uterus, opting for female sex was considered justified. Only about 5% of 46 patients with XX KAH has a psychogenic male gender, as

  15. Annexes

    OpenAIRE

    2015-01-01

    Nous présentons à continuation les trois interviews que José Agustín nous a accordés depuis les débuts de notre recherche à propos de son œuvre narrative. Les trois entretiens se sont déroulés au Mexique, sur la terrasse de sa maison de Cuautla, Morelos. Le premier d’entre eux, réalisé le 16 avril 1996, figure dans notre Mémoire de Maîtrise, sur De perfil (De perfil, de José Agustín, una propuesta literaria desde la juventud (1966)). Les deux autres ont été réalisés le 26 août 1998 et le 14 j...

  16. Annexes

    OpenAIRE

    2015-01-01

    Le Péloponnèse Source : R. Baladié, Le Péloponnèse de Strabon, Les Belles Lettres, 1980. Plan 1 : La topographie de Sparte à l’époque de Pausanias Source : Der neue Pauly, s.v. « Sparta ».Légende :1. Agora2. Choros3. Rue de l’Aphétaïde4. Skias5. Tholos de Zeus Olympios et d’Aphrodite Olympia6. Temple de Coré Sôteira7. Sanctuaire d’Apollon Carnéios8. Statue d’Aphétaios9. Quartier des Boônéta10. Contreforts orientaux de l’acropole (temple de Dionysos Kolonatas) 13-15. Tombeaux de Brasidas, Pa...

  17. RECUERDOS DEL SIGLO XX

    OpenAIRE

    ASUNCIÓN LAVRIN

    2011-01-01

    Este ensayo hace una revisión de conceptos clave en la educación de la mujer en Hispanoamérica, en la primera mitad del siglo XX, y el debate sobre la educación superior de la mujer. También analiza las ideas de Gabriela Mistral para la educación femenina en su Lectura para mujeres, y las compara con las de la escritora mexicana Rosario Castellanos. Finalmente, hace un llamado por nuevos modelos educativos para la mujer de siglo XXI.Este ensayo hace una revisión de conceptos clave en la ...

  18. RECUERDOS DEL SIGLO XX

    Directory of Open Access Journals (Sweden)

    ASUNCIÓN LAVRIN

    2011-10-01

    Full Text Available Este ensayo hace una revisión de conceptos clave en la educación de la mujer en Hispanoamérica, en la primera mitad del siglo XX, y el debate sobre la educación superior de la mujer. También analiza las ideas de Gabriela Mistral para la educación femenina en su Lectura para mujeres, y las compara con las de la escritora mexicana Rosario Castellanos. Finalmente, hace un llamado por nuevos modelos educativos para la mujer de siglo XXI.Este ensayo hace una revisión de conceptos clave en la educación de la mujeren Hispanoamérica, en la primera mitad del siglo XX, y el debate sobre laeducación superior de la mujer. También analiza las ideas de Gabriela Mistralpara la educación femenina en su Lectura para mujeres, y las comparacon las de la escritora mexicana Rosario Castellanos. Finalmente, hace unllamado por nuevos modelos educativos para la mujer de siglo XXI.

  19. Database on wind characteristics - Analyses of wind turbine design loads

    Energy Technology Data Exchange (ETDEWEB)

    Larsen, G.C.; Hansen, K.S.

    2004-06-01

    The main objective of IEA R and D Wind Annex XVII - Database on Wind Characteristics - has been to provide wind energy planners, designers and researchers, as well as the international wind engineering community in general, with a source of actual wind field data (time series and resource data) observed in a wide range of different wind climates and terrain types. Connected to an extension of the initial Annex period, the scope for the continuation was widened to include also support to the international wind turbine standardisation efforts.. The project partners are Sweden, Norway, U.S.A., The Netherlands and Denmark, with Denmark as the Operating Agent. The reporting of the continuation of Annex XVII falls in two separate parts. Part one accounts in details for the available data in the established database bank, and part two describes various data analyses performed with the overall purpose of improving the design load cases with relevance for to wind turbine structures. The present report constitutes the second part of the Annex XVII reporting. Both fatigue and extreme load aspects are dealt with, however, with the main emphasis on the latter. The work has been supported by The Ministry of Environment and Energy, Danish Energy Agency, The Netherlands Agency for Energy and the Environment (NOVEM), The Norwegian Water Resources and Energy Administration (NVE), The Swedish National Energy Administration (STEM) and The Government of the United States of America. (au)

  20. cuarto del siglo XX

    Directory of Open Access Journals (Sweden)

    José Antonio Nieto Calmaestra

    2005-01-01

    Full Text Available Los últimos 25 años del siglo XX han supuesto un sustancial cambio en el modelo de crecimiento de la población andaluza. Así, mientras la caída de la fecundidad y la estabilización de las tasas de mortalidad han contribuido a un progresivo retroceso de la vitalidad natural, la masiva emigración de antaño ha dado paso al papel de Andalucía como incipiente foco de inmigración y al creciente protagonismo de movimientos internos de relocalización de la población. Desde el punto de vista territorial estas afirmaciones quedan matizadas por los notables contrastes que se producen entre los distintos ámbitos que conforman la región y que contraponen al medio rural con el urbano, al litoral con el interior o a las grandes ciudades con sus periferias.

  1. Whole-Building Hygrothermal Modeling in IEA Annex 41

    DEFF Research Database (Denmark)

    Rode, Carsten; Woloszyn, Monika

    2007-01-01

    Annex 41 of the International Energy Agency’s (IEA) Energy Conservation in Buildings and Community Systems program (ECBCS) is a cooperative project on “Whole-Building Heat, Air, and Moisture Response” (MOIST-ENG). Subtask 1 of that project set out to advance development in modeling the ntegral heat....... The IEA Annex 41 project runs from 2004–2007, coming to conclusion just before the Thermal Performance of the Exterior Envelopes of Whole Buildings X conference. The Annex 41 project and its Subtask 1 do not aim to produce one state-of-the-art hygrothermal simulation model for whole buildings, but rather...

  2. Database on wind characteristics - Analyses of wind turbine design loads

    DEFF Research Database (Denmark)

    Larsen, Gunner Chr.; Hansen, K.S.

    2004-01-01

    in a wide range of different wind climates and terrain types. Connected to an extension of the initial Annex period, the scope for the continuation was widened to include also support to the international windturbine standardisation efforts.. The project partners are Sweden, Norway, U.S.A., The Netherlands...

  3. IEA joint action. Aerodynamics of wind turbines

    Energy Technology Data Exchange (ETDEWEB)

    Maribo Pedersen, B. [ed.

    1997-12-31

    In the period 1992-1997 the IEA Annex XIV `Field Rotor Aerodynamics` was carried out. Within its framework 5 institutes from 4 different countries participated in performing detailed aerodynamic measurements on full-scale wind turbines. The Annex was successfully completed and resulted in a unique database of aerodynamic measurements. The database is stored on an ECN disc (available through ftp) and on a CD-ROM. It is expected that this base will be used extensively in the development and validation of new aerodynamic models. Nevertheless at the end of IEA Annex XIV, it was recommended to perform a new IEA Annex due to the following reasons: In Annex XIV several data exchange rounds appeared to be necessary before a satisfactory result was achieved. This is due to the huge amount of data which had to be supplied, by which a thorough inspection of all data is very difficult and very time consuming; Most experimental facilities are still operational and new, very useful, measurements are expected in the near future; The definition of angle of attack and dynamic pressure in the rotating environment is less straightforward than in the wind tunnel. The conclusion from Annex XIV was that the uncertainty which results from these different definitions is still too large and more investigation in this field is required. (EG)

  4. 49 CFR 1242.30 - Dismantling retired road property and depreciation (accounts XX-17-39, XX-18-39, XX-19-39, 62-17...

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Dismantling retired road property and depreciation (accounts XX-17-39, XX-18-39, XX-19-39, 62-17-00, 62-18-00, and 62-19-00). 1242.30 Section 1242.30....30 Dismantling retired road property and depreciation (accounts XX-17-39, XX-18-39, XX-19-39, 62-17...

  5. 106-17 Telemetry Standards. Annex A.4. Asynchronous Recorder Multiplexer Output Re-Constructor (ARMOR)

    Science.gov (United States)

    2017-07-01

    Telemetry Standards, RCC Standard 106-17 Annex A .4, July 2017 ANNEX A .4 Asynchronous Recorder Multiplexer Output Re-Constructor (ARMOR...Acronyms ............................................................................................................................... A .4-iii 1...General ........................................................................................................................ A .4-1 1.1. Setup on Tape

  6. Genetics Home Reference: 46,XX testicular disorder of sex development

    Science.gov (United States)

    ... area? Other Names for This Condition 46,XX sex reversal XX male syndrome XX sex reversal Related Information How are genetic conditions and genes ... 1 link) PubMed OMIM (1 link) 46,XX SEX REVERSAL 1 MedGen (1 link) 46,XX testicular disorder ...

  7. 19 CFR Annex V to Part 351 - Comparison of Prior and New Regulations

    Science.gov (United States)

    2010-04-01

    ... 19 Customs Duties 3 2010-04-01 2010-04-01 false Comparison of Prior and New Regulations V Annex V to Part 351 Customs Duties INTERNATIONAL TRADE ADMINISTRATION, DEPARTMENT OF COMMERCE ANTIDUMPING AND COUNTERVAILING DUTIES Pt. 351, Annex V Annex V to Part 351—Comparison of Prior and New Regulations Prior New...

  8. Telemetry Standards, RCC Standard 106-17, Annex A.1, Pulse Amplitude Modulation Standards

    Science.gov (United States)

    2017-07-01

    Telemetry Standards, RCC Standard 106-17 Annex A.1, July 2017 ANNEX A.1 Pulse Amplitude Modulation Standards Acronyms... Modulation .............................................................................................. A.1.4 5. Premodulation Filtering...Standard 106-17 Annex A.1, July 2017 A.1-iii Acronyms dB decibel FM frequency modulation IF intermediate frequency PAM pulse amplitude

  9. Annex A1: cornerstone of the five-yearly review

    CERN Multimedia

    Staff Association

    2016-01-01

    As a reminder; the purpose of the five-yearly review is to review the financial and social conditions of all CERN personnel whether employed (MPE) or associated (MPA)! In December 2015, the CERN Council approved the package proposed by the Management. Early this year, and as final act of the 2015 five-yearly review, the CERN Council may decide, if necessary and appropriate, to review the procedures defined in Annex A1 and applicable to future five-yearly reviews. At the meeting of TREF (TRipartite Employment Forum)  in early March 2016 discussions will take place between all stakeholders (representatives of Member States, Management and the Staff Association) and Council will take a decision in June 2016, on the basis of the Management's recommendations. What does Annex A1 say and where can I find it? Annex A1 (Article S V 1.02) is a part of the Staff Rules and Regulations. This annex defines: The five-yearly review of the financial and social conditions of the staff, fellows and MPA; The a...

  10. IEA SHC Task 42/ECES Annex 29 WG A1

    DEFF Research Database (Denmark)

    Ristić, Alenka; Furbo, Simon; Moser, Christoph

    2016-01-01

    An overview on the recent results on the engineering and characterization of sorption materials, PCMs and TCMs investigated in the working group WG A1 “Engineering and processing of TES materials” of IEA SHC Task 42 / ECES Annex 29 (Task 4229) entitled “Compact Thermal Energy Storage” is presented....

  11. Database on wind characteristics - contents of database bank

    Energy Technology Data Exchange (ETDEWEB)

    Larsen, G.C.; Hansen, K.S.

    2004-06-01

    The main objective of IEA R and D Wind Annex XVII - Database on Wind Characteristics - has been to provide wind energy planners, designers and researchers, as well as the international wind engineering community in general, with a source of actual wind field data (time series and resource data) observed in a wide range of different wind climates and terrain types. Connected to an extension of the initial Annex period, the scope for the continuation was widened to include also support to the international wind turbine standardisation efforts.. The project partners are Sweden, Norway, U.S.A., The Netherlands and Denmark, with Denmark as the Operating Agent. The reporting of the continuation of Annex XVII falls in two separate parts. Part one accounts in details for the available data in the established database bank, and part two describes various data analyses performed with the overall purpose of improving the design load cases with relevance for to wind turbine structures. The present report constitutes the second part of the Annex XVII reporting. Both fatigue and extreme load aspects are dealt with, however, with the main emphasis on the latter. The work has been supported by The Ministry of Environment and Energy, Danish Energy Agency, The Netherlands Agency for Energy and the Environment (NOVEM), The Norwegian Water Resources and Energy Administration (NVE), The Swedish National Energy Administration (STEM) and The Government of the United States of America. (au)

  12. Joint Egypt/United States report on Egypt/United States cooperative energy assessment. Volume 4 of 5 Vols. Annexes 6--10

    Energy Technology Data Exchange (ETDEWEB)

    Purvis, Edward E.; Teagan, Peter; Little, Arthur D.; Kaplan, George; Kunze, Jay; Warchol, Edward J.

    1979-04-01

    Annex 6, which investigates the possible hydroelectric resources of Egypt, reveals that presently the only existing sites are on the upper Nile at the High and Aswan Dams. There are 8 sites on the Nile where it is practical to add hydroelectric generation and, of these, only 4 are feasible for immediate construction. There are also pumped-storage sites on the Nile and the Red Sea. There is also the Qattara Depression in the Western Desert which can be utilized for conventional, as well as pumped-storage generation, by bringing water from the Mediterranean Sea to the depression by canal or tunnel. The options were considered for construction of hydro plants to met the electric load growth of Egypt when other forms of energy supply would be integrated into a comprehensive supply pattern. In Annex 7, the prospective use of nuclear energy to meet Egypt's resources (uranium and thorium) to implement a nuclear energy program, and potential effects of the expanded use of nuclear energy are discussed. Annex 8 discusses solar energy (technology descriptions and impacts, solar thermal power, photovoltaics). Also wind power generation, biomass utilization, desalination, solar air conditioning and refrigeration, and cost of power from diesel engines are discussed. Annex 9 covers geothermal potentials in Egypt, discussing resources with temperatures above 180/sup 0/C; from 150 to 180/sup 0/C; from 100 to 150/sup 0/C; and with temperatures below 100/sup 0/C. Annex 10 discusses the electric power systems in Egypt. The following subjects are covered: existing electric power systems; electrical power facilities under construction or planned for construction by 1985; past and projected growth of electrical energy; distribution; and electrical power system projected from 1985 to 2000. (MCW)

  13. Shining examples analysed within the EBC Annex 56 project

    OpenAIRE

    Morck, Ove; Almeida, Manuela; Ferreira, Marco; Brito, Nelson; Thomsen, Kirsten Engelund; Østergaard, Iben

    2016-01-01

    The International Energy Agency established an Implementing Agreement within the Energy in Buildingsand Communities Program to undertake research and provide an international focus on “Cost EffectiveEnergy and Carbon Emissions Optimization in Building Renovation” (EBC Annex 56). The project aims atdeveloping a new methodology to enable cost effective renovation of existing buildings while optimizingenergy consumption and carbon emissions reduction. Several case studies were gathered to develo...

  14. Database on wind characteristics. Users manual

    DEFF Research Database (Denmark)

    Larsen, Gunner Chr.; Hansen, K.S.

    2001-01-01

    quality control procedures), part two accounts in details for the available data in the established database bank and part three is the Users Manualdescribing the various ways to access and analyse the data. The present report constitutes part three of the Annex XVII reporting and contains a trough...... description of the available online facilities for identifying, selecting, downloading and handlingmeasured wind field time series and resource data from "Database on Wind Characteristics"....

  15. Wind Turbine Generator System Power Performance Test Report for the ARE442 Wind Turbine

    Energy Technology Data Exchange (ETDEWEB)

    van Dam, J.; Jager, D.

    2010-02-01

    This report summarizes the results of a power performance test that NREL conducted on the ARE 442 wind turbine. This test was conducted in accordance with the International Electrotechnical Commission's (IEC) standard, Wind Turbine Generator Systems Part 12: Power Performance Measurements of Electricity Producing Wind Turbines, IEC 61400-12-1 Ed.1.0, 2005-12. However, because the ARE 442 is a small turbine as defined by IEC, NREL also followed Annex H that applies to small wind turbines. In these summary results, wind speed is normalized to sea-level air density.

  16. México. Siglo XX

    Directory of Open Access Journals (Sweden)

    Zaira Navarrete-Cazales

    2015-01-01

    Full Text Available En México, la Escuela Normal ha sido la principal institución encargada de la formación de profesores para el nivel escolar básico (preescolar, primaria, secundaria; los enfoques de formación que circulan en esta institución han ido en paralelo con las políticas educativas nacionales, en tanto que el Gobierno Federal, por medio de la Secretaría de Educación Pública, es el “encargado” de dictar las políticas para la formación de los futuros docentes en dichas escuelas, por lo que su estudio (tanto de los enfoques como de las políticas resulta indispensable para comprender el trayecto de las Escuelas Normales durante el siglo XX. El objetivo de este escrito, es presentar un panorama histórico sobre las Escuelas Normales en México y dar cuenta de sus principales momentos: creación, cambios nominales, corrientes teóricas prevalecientes, momentos políticos que la definen, inter alia. Estos elementos permiten ver a grandes rasgos los procesos sociales y educativos que fueron marcandola educación normal. Concluimos que con las Escuelas Normales en México, se inicia la formación de profesores y si bien en 1982, estas Escuelas Normales adquirieron el status de instituciones de educación superior, su destino sigue estando atado a la educación básica: “por el peso de la historia y por el peso de la ley”.

  17. 49 CFR 1242.84 - Marketing, sales, and public relations and advertising (accounts XX-63-88, XX-63-89 and XX-63-93).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Marketing, sales, and public relations and advertising (accounts XX-63-88, XX-63-89 and XX-63-93). 1242.84 Section 1242.84 Transportation Other... PASSENGER SERVICE FOR RAILROADS 1 Operating Expenses § 1242.84 Marketing, sales, and public relations and...

  18. Prospective of the Technology of Wind Power Generation (Annexe 5 in 'A vision of year 2030 on the use of the renewable energies in Mexico'); Prospectiva de la Tecnologia de Generacion Eoloelectrica (Anexo 5 en 'Una vision al 2030 de la utilizacion de las energias renovables en Mexico')

    Energy Technology Data Exchange (ETDEWEB)

    Borja Diaz, Marco A [Instituto de Investigaciones Electricas, Cuernavaca, Morelos (Mexico)

    2005-08-15

    At present, it is recognized that the advantage of the energy of the wind to generate electricity is an innovating activity of high technology that is being integrated to the electrical sectors of several countries in the context of the energy diversification. The basic concept of the wind power generators suggests simplicity; nevertheless, the enormous machines that nowadays turn the wind energy to electricity, are complex systems since they are integrated by aerodynamic, mechanical, electrical, hydraulic and electronic subsystems, whose development and integration have presented important challenges in the matter of investigation and technological development. It is for this reason that in the last 10 years several governments of industrialized countries and of some developing ones, have remarkably progressed in the restoration of elements of legislation, regulation, and fiscal measures that have opened and impelled the wind power market, in such a way that in those countries the wind power industry has become a very productive activity. [Spanish] En la actualidad, se reconoce que el aprovechamiento de la energia del viento para generar electricidad es una actividad innovadora de alta tecnologia que se esta integrando a los sectores electricos de varios paises en el contexto de la diversificacion energetica. El concepto basico de los aerogeneradores sugiere sencillez; sin embargo, las enormes maquinas que hoy en dia convierten la energia del viento en electricidad, son sistemas complejos ya que estan integrados por subsistemas aerodinamicos, mecanicos, electricos, hidraulicos y electronicos, cuyo desarrollo e integracion ha presentado retos importantes en materia de investigacion y desarrollo tecnologico. Es por ello que en los ultimos 10 anos varios gobiernos de paises industrializados y de algunos en vias de desarrollo, han progresado notablemente en la instauracion de elementos de legislacion, regulacion, y medidas fiscales que han abierto e impulsado el

  19. Database on wind characteristics - Structure and philosophy

    Energy Technology Data Exchange (ETDEWEB)

    Larsen, G.C.; Hansen, K.S.

    2001-11-01

    The main objective of IEA R and D Wind Annex XVII - Database on Wind Characteristics - is to provide wind energy planners and designers, as well as the international wind engineering community in general, with easy access to quality controlled measured wind field time series observed in a wide range of environments. The project partners are Sweden, Norway, U.S.A., The Netherlands, Japan and Denmark, with Denmark as the Operating Agent. The reporting of IEA R and D Annex XVII falls in three separate parts. Part one deals with the overall structure and philosophy behind the database, part two accounts in details for the available data in the established database bank and part three is the Users Manual describing the various ways to access and analyse the data. The present report constitutes the first part of the Annex XVII reporting, and it contains a detailed description of the database structure, the data quality control procedures, the selected indexing of the data and the hardware system. (au)

  20. IEA Annex 26: Advanced Supermarket Refrigeration/Heat Recovery Systems

    Energy Technology Data Exchange (ETDEWEB)

    Baxter, VAN

    2003-05-19

    With increased concern about the impact of refrigerant leakage on global warming, a number of new supermarket refrigeration system configurations requiring significantly less refrigerant charge are being considered. In order to help promote the development of advanced systems and expand the knowledge base for energy-efficient supermarket technology, the International Energy Agency (IEA) established IEA Annex 26 (Advanced Supermarket Refrigeration/Heat Recovery Systems) under the ''IEA Implementing Agreement on Heat Pumping Technologies''. Annex 26 focuses on demonstrating and documenting the energy saving and environmental benefits of advanced systems design for food refrigeration and space heating and cooling for supermarkets. Advanced in this context means systems that use less energy, require less refrigerant and produce lower refrigerant emissions. Stated another way, the goal is to identify supermarket refrigeration and HVAC technology options that reduce the total equivalent warming impact (TEWI) of supermarkets by reducing both system energy use (increasing efficiency) and reducing total refrigerant charge. The Annex has five participating countries: Canada, Denmark, Sweden, the United Kingdom, and the United States. The working program of the Annex has involved analytical and experimental investigation of several candidate system design approaches to determine their potential to reduce refrigerant usage and energy consumption. Advanced refrigeration system types investigated include the following: distributed compressor systems--small parallel compressor racks are located in close proximity to the food display cases they serve thus significantly shortening the connecting refrigerant line lengths; secondary loop systems--one or more central chillers are used to refrigerate a secondary coolant (e.g. brine, ice slurry, or CO2) that is pumped to the food display cases on the sales floor; self-contained display cases--each food display case

  1. Rupture loop annex ion exchange RLAIX vault deactivation

    Energy Technology Data Exchange (ETDEWEB)

    Ham, J.E.; Harris, D.L., Westinghouse Hanford

    1996-08-01

    This engineering report documents the deactivation, stabilization and final conditions of the Rupture Loop Annex Ion Exchange (RLAIX) Vault located northwest of the 309 Building`s Plutonium Recycle Test Reactor (PRTR). Twelve ion exchange columns, piping debris, and column liquid were removed from the vault, packaged and shipped for disposal. The vault walls and floor were decontaminated, and portions of the vault were painted to fix loose contamination. Process piping and drains were plugged, and the cover blocks and rain cover were installed. Upon closure,the vault was empty, stabilized, isolated.

  2. Phase 2 Site Investigations Report. Volume 1 of 3: General Annex-Wide Information

    Science.gov (United States)

    1994-09-01

    Formation ( Carboniferous ), a light gray, biotite gneiss, runs along the northern boundary of the site and underlies the extreme northwest corner of the Annex...Central and northern portions of the Annex are underlain by the Gospel Hill Gneiss ( Carboniferous ). The Gospel Hill is a medium-to-coarse-textured

  3. 28 CFR 50.20 - Participation by the United States in court-annexed arbitration.

    Science.gov (United States)

    2010-07-01

    ... court-annexed arbitration. 50.20 Section 50.20 Judicial Administration DEPARTMENT OF JUSTICE (CONTINUED) STATEMENTS OF POLICY § 50.20 Participation by the United States in court-annexed arbitration. (a) Considerations affecting participation in arbitration. (1) The Department recognizes and supports the general...

  4. OC3 -- Benchmark Exercise of Aero-Elastic Offshore Wind Turbine Codes: Preprint

    Energy Technology Data Exchange (ETDEWEB)

    Passon, P.; Kuhn, M.; Butterfield, S.; Jonkman, J.; Camp, T.; Larsen, T. J.

    2007-08-01

    This paper introduces the work content and status of the first international investigation and verification of aero-elastic codes for offshore wind turbines as performed by the "Offshore Code Comparison Collaboration" (OC3) within the "IEA Wind Annex XXIII -- Subtask 2".

  5. Raimo Pullati XX "Vana Tallinn" / Tõnis Liibek

    Index Scriptorium Estoniae

    Liibek, Tõnis

    2009-01-01

    Ilmus professor Raimo Pullati poolt välja antava linnaajalugu ja -kultuuri tutvustava sarja "Vana Tallinn" XX köide. Tšehhi Teaduste Akadeemia raamatukogus toimus Raimo Pullati poolt välja antud entsüklopeedilise suurteose "Johann Christoph Brotze. Estonica" esitlus

  6. Power Performance Test Report for the SWIFT Wind Turbine

    Energy Technology Data Exchange (ETDEWEB)

    Mendoza, I.; Hur, J.

    2012-12-01

    This report summarizes the results of a power performance test that NREL conducted on the SWIFT wind turbine. This test was conducted in accordance with the International Electrotechnical Commission's (IEC) standard, Wind Turbine Generator Systems Part 12: Power Performance Measurements of Electricity Producing Wind Turbines, IEC 61400-12-1 Ed.1.0, 2005-12. However, because the SWIFT is a small turbine as defined by IEC, NREL also followed Annex H that applies to small wind turbines. In these summary results, wind speed is normalized to sea-level air density.

  7. Database on wind characteristics - Contents of database bank

    DEFF Research Database (Denmark)

    Larsen, Gunner Chr.; Hansen, Kurt Schaldemose

    2004-01-01

    in a wide range of different wind climates and terrain types. Connected to an extension of the initial Annex period, the scope for the continuation was widened to include also support to the international windturbine standardisation efforts.. The project partners are Sweden, Norway, U.S.A., The Netherlands...

  8. Russia and Its International Image: From Sochi Olympic Games to Annexing Crimea

    Directory of Open Access Journals (Sweden)

    Kobierecki Michał

    2016-12-01

    Full Text Available The aim of the article is to analyze the change of the Russian Federation’s international image in the light of two significant events: the Olympic Winter Games in 2014 in Sochi and the annexation of Crimea. According to the first hypothesis, one of the main aims for hosting the Olympic Games was to improve the international prestige of Russia. Shortly after the Olympics Russia increased its activity in Eastern Ukraine, which resulted in the annexation of the Crimean Peninsula. Therefore the article is also aimed to investigate whether by annexing Crimea Russia squandered the possible positive effects of hosting the Olympics in terms of its international image.

  9. Arquitectura y urbanismo del siglo XX

    OpenAIRE

    Sainz Avia, Jorge

    1997-01-01

    El Movimiento Moderno ha sido la gran aportación del siglo xx a la historia de la arquitectura. Desarrollado fundamentalmente en Europa durante los años veinte y treinta, el concepto "moderno" de la arquitectura y la ciudad ha supuesto uno cambios tan trascendentales como los que en su momento provocó el Renacimiento italiano. Las transformaciones producidas por este movimiento - también conocido como "funcionalismo", "racionalismo" o "estilo internacional"- se hicieron patentes en esos t...

  10. Global Mitigation of Non-CO2 Greenhouse Gases - Data Annexes

    Data.gov (United States)

    U.S. Environmental Protection Agency — Marginal abatement curves (MAC) can be downloaded as data annexes to the Global Mitigation of Non-CO2 Greenhouse Gases report. This data allows for improved...

  11. Descriptive review and evaluation of the functioning of the International Health Regulations (IHR Annex 2

    Directory of Open Access Journals (Sweden)

    Anema Aranka

    2012-01-01

    Full Text Available Abstract Background The International Health Regulations (IHRs (2005 was developed with the aim of governing international responses to public health risks and emergencies. The document requires all 194 World Health Organization (WHO Member States to detect, assess, notify and report any potential public health emergency of international concern (PHEIC under specific timelines. Annex 2 of the IHR outlines decision-making criteria for State-appointed National Focal Points (NFP to report potential PHEICs to the WHO, and is a critical component to the effective functioning of the IHRs. Methods The aim of the study was to review and evaluate the functioning of Annex 2 across WHO-reporting States Parties. Specific objectives were to ascertain NFP awareness and knowledge of Annex 2, practical use of the tool, activities taken to implement it, its perceived usefulness and user-friendliness. Qualitative telephone interviews, followed by a quantitative online survey, were administered to NFPs between October, 2009 and February, 2010. Results A total of 29 and 133 NFPs participated in the qualitative and quantitative studies, respectively. Qualitative interviews found most NFPs had a strong working knowledge of Annex 2; perceived the tool to be relevant and useful for guiding decisions; and had institutionalized management, legislation and communication systems to support it. NFPs also perceived Annex 2 as human and disease-centric, and emphasized its reduced applicability to potential PHEICs involving bioterrorist attacks, infectious diseases among animals, radio-nuclear and chemical spills, and water- or food-borne contamination. Among quantitative survey respondents, 88% reported having excellent/good knowledge of Annex 2; 77% reported always/usually using Annex 2 for assessing potential PHEICs; 76% indicated their country had some legal, regulatory or administrative provisions for using Annex 2; 95% indicated Annex 2 was always/usually useful for

  12. Les tumeurs des annexes de l'oeil a lome ocular adnexal tumors in ...

    African Journals Online (AJOL)

    Objectifs : Décrire les caractéristiques des tumeurs des annexes de l'oeil à Lomé Patients et Méthodes : Nous avons mené une étude rétrospective des patients suivis dans le service d'Ophtalmologie du CHU campus de Lomé, pour tumeur des annexes de l'oeil entre le 1er Janvier 2011 et le 31 Décembre 2013.

  13. Russia and Its International Image: From Sochi Olympic Games to Annexing Crimea

    OpenAIRE

    Kobierecki, Michał Marcin

    2016-01-01

    The aim of the article is to analyze the change of the Russian Federation’s international image in the light of two significant events: the Olympic Winter Games in 2014 in Sochi and the annexation of Crimea. According to the first hypothesis, one of the main aims for hosting the Olympic Games was to improve the international prestige of Russia. Shortly after the Olympics Russia increased its activity in Eastern Ukraine, which resulted in the annexation of the Crimean Peninsu...

  14. Russia and Its International Image: From Sochi Olympic Games to Annexing Crimea

    OpenAIRE

    Kobierecki Michał

    2016-01-01

    The aim of the article is to analyze the change of the Russian Federation’s international image in the light of two significant events: the Olympic Winter Games in 2014 in Sochi and the annexation of Crimea. According to the first hypothesis, one of the main aims for hosting the Olympic Games was to improve the international prestige of Russia. Shortly after the Olympics Russia increased its activity in Eastern Ukraine, which resulted in the annexation of the Crimean Peninsula. Therefore the ...

  15. Kirberg: Testigo y Actor del Siglo XX

    OpenAIRE

    Francisco Rivera Tobar

    2011-01-01

    La existencia de ideologías que encarnaron proyectos de transformación global de las sociedades, y el carácter excluyente de las mismas, constituyeron una de las principales características del siglo XX. La sociedad chilena estuvo inserta en esta tendencia, forjándose en ella diversos cuestionamientos a la realidad local. Por ejemplo, a los grandes problemas derivados de la post Primera Guerra Mundial y a la crisis del capitalismo en la década de 1930, por señalar dos acontecimientos que impa...

  16. Torsion d'annexe après hystérectomie abdominale: une première ...

    African Journals Online (AJOL)

    La torsion d'annexes survient classiquement sur ovaires kystiques ou tumoraux. De rares cas de torsion ont été rapports dans la littérature après hystérectomie laparoscopique. Nous rapportons la première observation de torsion d'annexe survenant sur annexe normale après hystérectomie bdominale et décrivons les ...

  17. Prenatal Diagnosis and Genetic Analysis of a Fetus with 47,XX, +21/46,XX Mosaicism and XX/XY Chimerism

    Directory of Open Access Journals (Sweden)

    Hsiao-Lin Hwa

    2006-01-01

    Full Text Available Prenatal diagnosis of simultaneous occurrence of chimerism and autosomal mosaicism is extremely rare. We report the prenatal diagnosis and genetic analysis of a fetus in a twin pregnancy with mosaic 47,XX,+21/46,XX with chimeric XX/XY. A 36-year-old, para 1, woman was referred for genetic counseling at 20 weeks' gestation because of abnormal karyotype (47,XX,+21/46,XX in one fetus in a twin pregnancy. Cordocentesis revealed 47,XX,+21[3]/46,XX[35]/46,XY[7] in this fetus. Postnatal cytogenetic analysis of cord blood confirmed three cell lines in this twin (A and 46,XY in the co-twin (B. Postmortem pathologic findings of both fetuses were normal. Fluorescence in situ hybridization identified three cell lines in the cord blood of twin A. Molecular genetic analysis using polymorphic DNA markers revealed parental origin of fetal tissue, and confirmed the chimeric status. Molecular genetic analysis with polymorphic DNA markers help to differentiate chimerism from mosaicism and define the origin of cell lines, which may have importance in genetic counseling.

  18. Navy Capabilities and Mobilization Plan (NCMP) Annex Q-Health Services Support: Resource and End Strength Implications

    National Research Council Canada - National Science Library

    Palermo, Michael

    1998-01-01

    ...). This study reviews Navy medicine's reengineering efforts intended to address these policies, focusing on the revision of the medical annex of the Navy Capabilities and Mobilization Plan (NCMP...

  19. Guanacaste Geothermal Project. Technical prefeasibility report. Annex C. Electric resistivity

    Energy Technology Data Exchange (ETDEWEB)

    1976-12-01

    This report is the third of six annexes to the Summary Report on the First Phase of the Guanacaste Geothermal Project. The studies covered an area of 500 km/sup 2/ on the SW flanks of the Rincon de la Vieja and Miravalles volcanoes of the Guanacaste Volcanic Range in NW Costa Rica, and were aimed at locating zones of high geothermal gradient, and reconstruction of the stratigraphic column. The formations in the area under study can be grouped into six resistivity ranges, varying from less than 5 to more than 200 ohm-meters. Values from 200 to as high as 30,000 ohm-meters generally correspond to fractured and porous lavas, their fracturing and porosity, as well as their drainability, increasing with resistivity. The values above 100 ohm-meters were recorded in zones of recent lava flows, in spurs of the volcanoes Rincon de la Vieja and Santa Maria, and in the slopes of the Miravalles volcano, and correspond to shallow formations (maximum depths of 150 meters) which may constitute recharge zones for the underground aquifiers. The values in the 100 to 200 ohm-meter range were generally recorded directly under layers constituted by drained, porous lavas, or under shallow layers where no recent lavas are present. The third group comprises materials with resistivities in the 25 to 100 ohm-meter range, occurring at two different depth levels: a deep one (more than 1000 meters) and a shallow one (less than 400 meters). Resistivities less than 25 ohm-meters were recorded at depths of 250 meters and more, and may correspond to material typical of the Aguacate formation, which probably constitutes the reservoir rock of the geothermal fluids. In order to locate the zones of most geothermal interest, this range was classified into the three remaining of the six groups, viz 10 to 25, 5 to 10, and less than 5 ohm-meters, the last group appearing to be that of greatest geothermal potential.

  20. décadas del siglo XX

    Directory of Open Access Journals (Sweden)

    Luis Antonio Cruz Soto

    2003-01-01

    Full Text Available En este trabajo haremos referencia a los principales cambios que experimentó el sector siderúrgico mundial a partir de los años setenta, principalmente en al ámbito económico, tecnológico y comercial. El incremento de la sobreoferta de productos siderúrgicos, la reducción en su demanda, los adelantos tecnológicos en la producción de acero, la incorporación de nuevos competidores en el mercado mundial —sobre todo de pequeños productores y de los países del exbloque socialista— y el significativo aumento del intercambio comercial entre los países representan los principales elementos de análisis para definir el desarrollo de la industria siderúrgica en las últimas décadas del siglo xx

  1. IEA HPT ANNEX 41 – Cold climate heat pumps: US country report

    Energy Technology Data Exchange (ETDEWEB)

    Groll, Eckhard A. [Purdue Univ., West Lafayette, IN (United States); Baxter, Van D. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

    2017-08-01

    In 2012 the International Energy Agency (IEA) Heat Pump Programme (now the Heat Pump Technologies (HPT) program) established Annex 41 to investigate technology solutions to improve performance of heat pumps for cold climates. Four IEA HPT member countries are participating in the Annex – Austria, Canada, Japan, and the United States (U.S.). The principal focus of Annex 41 is on electrically driven air-source heat pumps (ASHP) since that system type has the lowest installation cost of all heat pump alternatives. They also have the most significant performance challenges given their inherent efficiency and capacity issues at cold outdoor temperatures. Availability of ASHPs with improved low ambient performance would help bring about a much stronger heat pump market presence in cold areas, which today rely predominantly on fossil fuel furnace heating systems.

  2. Annex 2: Simulation of the whole system - Calibration using measured data; Annexe 2: simulation du systeme complet et calibrage sur les mesures

    Energy Technology Data Exchange (ETDEWEB)

    Pahud, D.

    2006-12-15

    This is the Annex 2 of the annual report 2006 of the Serso project. The basic idea of the Serso project is to defrost a road bridge in winter with heat produced by the bridge in summer by solar radiation absorption and stored in a diffusive underground store. Pipes are imbedded in the bridge surface material and connected to a set of underground borehole heat exchangers ('geothermal probes'). A heat transfer fluid is circulated by a pump. The store is loaded in summer and discharged in winter. In the present Annex the mathematical model developed to simulate the whole system is described. It includes the validated simulation model of the underground heat store (see Annex 1). The parameters of the model are tuned on the basis of a two-years series of field measurements. Although the measured quantities do not include essential variables like the sky temperature and the bridge model is one-dimensional, the model satisfactorily describes the energy balance of the bridge.

  3. 49 CFR 1242.19 - Electric power systems (account XX-19-21).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Electric power systems (account XX-19-21). 1242.19... Structures § 1242.19 Electric power systems (account XX-19-21). Separate common expenses on basis of common expenses of electric power purchased or produced for motive power (accounts XX-51-68 and XX-52-68). ...

  4. Environmental Effects of Marine Energy Development Around the World. Annex IV Final Report

    Energy Technology Data Exchange (ETDEWEB)

    Copping, Andrea [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Hanna, L. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Whiting, J. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Geerlofs, S. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Grear, M. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Blake, K. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Coffey, A. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Massaua, M. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Brown-Saracino, J. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Battey, H. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

    2013-01-01

    This Annex IV report contains three case studies of specific interactions of marine energy devices with the marine environment addressing the physical interactions between animals and tidal turbines, the acoustic impact of marine energy devices on marine animals, and the effects of energy removal on physical systems.

  5. Implementation of Energy Strategies in Communities – Results within the Context of IEA Annex 63

    DEFF Research Database (Denmark)

    Schiefelbein, Jan; Slotterback, Carissa S.; Petersen, Jens-Phillip

    the energy and urban planning can act more efficiently to successfully support the implementation of energy strategies within urban areas. Within the IEA Energy in Buildings and Communities (EBC) Program, the Annex 63 – Implementation of Energy Strategies in Communities – aims at giving recommendations...

  6. IEA SHC Task 42 / ECES Annex 29 - Working Group B: Applications of Compact Thermal Energy Storage

    NARCIS (Netherlands)

    Helden, W. van; Yamaha, M.; Rathgeber, C.; Hauer, A.; Huaylla, F.; Le Pierrès, N.; Stutz, B.; Mette, B.; Dolado, P.; Lazaro, A.; Mazo, J.; Dannemand, M.; Furbo, S.; Campos-Celador, A.; Diarce, G.; Cuypers, R.; König-Haagen, A.; Höhlein, S.; Brüggemann, D.; Fumey, B.; Weber, R.; Köll, R.; Wagner, W.; Daguenet-Frick, X.; Gantenbein, P.; Kuznik, F.

    2016-01-01

    The IEA joint Task 42 / Annex 29 is aimed at developing compact thermal energy storage materials and systems. In Working Group B, experts are working on the development of compact thermal energy storage applications, in the areas cooling, domestic heating and hot water and industry. The majority of

  7. MARPOL Annex VI and the Regulation of Gas Emissions from Ships(STORIES FROM THE SEA)

    OpenAIRE

    [記載なし; [Author not found

    2004-01-01

    Seven years have passed since Annex VI of MARPOL, which regulates air pollution from ships, was adopted in 1997, and it will finally come into force on the 19th of May 2005. This will be the first set of international regulations for gas emissions from ships ever implemented.

  8. Implementation of Energy Strategies in Communities – Results within the Context of IEA Annex 63

    DEFF Research Database (Denmark)

    Schiefelbein, Jan; Slotterback, Carissa S.; Petersen, Jens-Phillip

    . However, findings of the International Energy Agency (IEA) Annex 51 – Case Studies & Guidelines for Energy Efficient Communities – showed that the primary challenges result from inefficient organizational processes and unsupportive framework for implementation. Thus, solutions have to be found how...

  9. Paul Scherrer Institut annual report 1994. Annex IIIA: PSI condensed matter research and material sciences

    Energy Technology Data Exchange (ETDEWEB)

    Baltensperger, U. [ed.] [Paul Scherrer Inst. (PSI), Villigen (Switzerland)

    1995-10-01

    This annex reports on the PSI division IIIA`s progress achieved during 1994 in the Laboratory of Ionbeam-Physics, the Laboratory of Radiochemistry; the Laboratory for Neutron Scattering and the Laboratory for Astrophysics. Progress of the spallation neutron source project (SINQ) is documented by a set of pictures. A bibliography of the department`s publications is included. figs., tabs., refs.

  10. 77 FR 19537 - MARPOL Annex V Special Areas: Wider Caribbean Region

    Science.gov (United States)

    2012-04-02

    ... produced in the galley primarily, commingled and packaged with victual and other waste, and disposed of... K. Energy Effects L. Technical Standards M. Environment I. Abbreviations ABA American Boating... to Annex V through section 2101 of the Marine Plastic Pollution Research and Control Act (Pub. L. 100...

  11. The genetics of XX gonadal dysgenesis

    Energy Technology Data Exchange (ETDEWEB)

    Aittomaeki, K. (Univ. of Helsinki (Finland))

    1994-05-01

    In a nationwide population-based study of women born between 1950 and 1976, 75 patients with XX gonadal dysgenesis (XXGD) were identified in Finland. Patients were ascertained through hospital records and the registers of chromosome laboratories. In one family 4 daughters were affected; in six families 2 daughters were affected; and 57 cases were isolated. In one additional family the two affected females were in successive generations. Population records were utilized to trace ancestors of patients back to the beginning of the 19th century, in most cases. Consanguinity was detected in 8 (12%) of 66 families. When females only are considered, the segregation analyses yield a proportion of .23 affected. The relatively large number of affected individuals identified (incidence 1 in 8,300 live-born girls) implies a high gene frequency in the Finnish population. The geographic distribution was highly uneven, with most families originating in the sparsely populated north-central part of Finland. These findings support the existence of an autosomal recessive (XXGD) gene (locus designation [open quotes]ODG1[close quotes]) that is highly enriched in Finland. The multiplex families already identified will make it possible to map the ODG1 gene by a random search for linkage by using polymorphic markers. Linkage-disequilibrium analysis in the sporadic patients will then be used to test for genetic homogeneity versus heterogeneity. 27 refs., 3 figs.

  12. Kirberg: Testigo y Actor del Siglo XX

    Directory of Open Access Journals (Sweden)

    Francisco Rivera Tobar

    2011-05-01

    Full Text Available La existencia de ideologías que encarnaron proyectos de transformación global de las sociedades, y el carácter excluyente de las mismas, constituyeron una de las principales características del siglo XX. La sociedad chilena estuvo inserta en esta tendencia, forjándose en ella diversos cuestionamientos a la realidad local. Por ejemplo, a los grandes problemas derivados de la post Primera Guerra Mundial y a la crisis del capitalismo en la década de 1930, por señalar dos acontecimientos que impactaron fuertemente en la economía y sociedad chilena, sucedió un afán industrializador destinado a equilibrar el carácter primario exportador y precariamente tecnificado de las economías tercermundistas, condiciones que las situaban en una relación de dependencia respecto de los centros del capitalismo mundial. Así, el debate teórico de los años 40 giró en torno a la necesidad de impulsar proyectos de desarrollo de la industria local para satisfacer el consumo del mercado interno...

  13. Inherited XX sex reversal originating from wild medaka populations.

    Science.gov (United States)

    Shinomiya, A; Otake, H; Hamaguchi, S; Sakaizumi, M

    2010-11-01

    The teleost fish, medaka (Oryzias latipes), has an XX/XY sex-determining mechanism. A Y-linked DM domain gene, DMY, has been isolated by positional cloning as the sex-determining gene in this species. Previously, we conducted a field survey of genotypic sex and found that approximately 1% of wild medaka are sex-reversed (XX males and XY females). Here, we performed genetic analyses of nine spontaneous XX sex-reversed males to elucidate its genetic basis. In all cases, the F(1) progeny were all females, whereas XX males reappeared in the backcross (BC) progeny, suggesting that XX sex reversal is a recessive trait. Although the incidences of sex reversal in the BC progeny were mostly low, 40% were males derived from one XX male. We performed linkage analysis using 55 BC males and located a single major factor, sda-1 (sex-determining autosomal factor-1), controlling sex reversal in an autosomal linkage group. Thus, genes involved in the sex-determining pathway can be isolated from spontaneous mutants in wild populations.

  14. Environmental effects of marine energy development around the world. Annex IV Final Report

    Energy Technology Data Exchange (ETDEWEB)

    Copping, Andrea; Hanna, Luke; Whiting, Johnathan; Geerlofs, Simon; Grear, Molly; Blake, Kara (Pacific Northwest National Laboratory, Richland, WA (United States)); Coffey, Anna; Massaua, Meghan; Brown-Saracino, Jocelyn; Battey, Hoyt (US Dept. of Energy, Washington, DC (United States))

    2013-01-15

    Annex IV is an international collaborative project to examine the environmental effects of marine energy devices among countries through the International Energy Agency’s Ocean Energy Systems Initiative (OES). The U.S. Department of Energy (DOE) serves as the Operating Agent for the Annex, in partnership with the Bureau of Ocean Energy Management (BOEM; formerly the Minerals Management Service), the Federal Energy Regulatory Commission (FERC), and National Oceanographic and Atmospheric Administration (NOAA). Numerous ocean energy technologies and devices are being developed around the world, and the few data that exist about the environmental effects of these technologies are dispersed among countries and developers. The purpose of Annex IV is to facilitate efficient government oversight of the development of ocean energy systems by compiling and disseminating information about the potential environmental effects of marine energy technologies and to identify methods of monitoring for these effects. Beginning in 2010, this three-year effort produced a publicly available searchable online database of environmental effects information (Tethys). It houses scientific literature pertaining to the environmental effects of marine energy systems, as well as metadata on international ocean energy projects and research studies. Two experts’ workshops were held in Dublin, Ireland (September 2010 and October 2012) to engage with international researchers, developers, and regulators on the scope and outcomes of the Annex IV project. Metadata and information stored in the Tethys database and feedback obtained from the two experts’ workshops were used as resources in the development of this report. This Annex IV final report contains three case studies of specific interactions of marine energy devices with the marine environment that survey, compile, and analyze the best available information in one coherent location. These case studies address 1) the physical interactions

  15. Estimating the cost of accidents and ill-health at work : a review of methodologies technical annex

    NARCIS (Netherlands)

    Weerd, M. de; Tierney, R.; Duuren-Stuurman, B. van; Bertranou, E.

    2014-01-01

    This technical annex complements the report 'Estimating the cost of accidents and ill-health at work - a review of methodologies' by providing further details on each of the studies reviewed, including their results.

  16. IEA-ECBCS Annex 51: energy efficient communities. Experience from Denmark

    DEFF Research Database (Denmark)

    Dalla Rosa, Alessandro; Svendsen, Svend

    2011-01-01

    The paper describes the Danish contribution to the IEA-ECBCS Annex 51: “energy efficient communities”. We present three case studies, two from Annex subtask A (state-of-the-art review) and one from subtask B (ongoing projects). The first case study is “Samsoe: a renewable energy island...... (Building Regulation 2008). The project partners envisaged the implementation of selected key energy-supply technologies and building components and carried out an evaluation of user preferences to give suggestions to designers and constructors of low-energy houses. The third case study (Subtask B) is: “low...... the instruments that are needed to prepare local energy and climate change strategies and supports the planning and implementation of energy-efficient communities....

  17. Solar energy research and development: program balance. Annex, Volume II

    Energy Technology Data Exchange (ETDEWEB)

    None

    1978-02-01

    Each of the seven solar energy technologies that have been assessed in the study are treated: photovoltaic devices, solar thermal power systems, wind energy systems, solar heating and cooling systems, agricultural and industrial heat processes, biomass conversion technologies, and ocean thermal energy conversion systems. A brief technical overview of storage for solar electric technologies is presented and some principles concerning how different levels of success on electrical storage can affect the commercial viability of solar electric options are discussed. A description is given of the solar penetration model that was developed and applied as an analytical tool in the study. This computer model has served the primary purpose of evaluating the competiveness of the solar energy systems in the markets in which they are expected to compete relative to that of the alternative energy sources. This is done under a variety of energy supply, demand, and price conditions. The seven sections treating the solar energy technologies contain discussions on each of six subject areas: description of the technology; economic projections; the potential contribution of the technology in different marketplaces; environmental considerations; international potential; and the present and possible future emphases within the RD and D program. The priority item for each of the technology sections has been the documentation of the economic projections.

  18. Effect of Smilax China Capsules and azithromycin combined therapy on chronic annexitis

    Directory of Open Access Journals (Sweden)

    Rong-Jun Cong

    2016-11-01

    Full Text Available Objective: To explore the mechanism of Smilax China (Chinese spelling: Jingangteng Capsules and Azithromycin combined therapy for chronic annexitis, and offer help to patients with chronic annexitis on relevant clinical therapies. Methods: A total of 170 cases of patients with chronic annexitis were selected from the gynecological department in our hospital, and randomly divided to be the combination therapy group and the control group by digital table, 85 cases for each group. Patients in control group were treated with Azithromycin. Patients in combination therapy group were treated by giving Smilax China capsules based on the Azithromycin treatment. Relevant indexes of lymphocyte subsets (CD3+ , CD4+ , CD8+ and CD4+ /CD8+ , cytokines (TNF-α, IL-2, IL-6 and IL-10 and hemorheology (blood viscosity, plasma viscosity, hematocrit, red blood cell aggregation index in patients of the two groups were detected before and after treatment. Results: Before treatment, no statistical significance found on the differences of lymphocyte subsets, cytokines and hemorheology between the two groups of patients (P>0.05; After treatment received on the two groups of patients, indexes of CD3+ , CD4+ and CD4+ /CD8+ were dramatically increased, CD8+ , cytokines (TNF-α, IL-2, IL-6 and IL-10 and hemorheology in the combination therapy group were significantly decreased compared with patients in the control group; Statistical significance existed in differences between the two groups (P<0.05. Conclusions: Patients who received Azithromycin therapy added with Smilax China capsules concurrently could be significantly improved levels of lymphocyte subsets, cytokines and hemorheology index. It is of clinical importance for treatment of patients with chronic annexitis.

  19. Torsion d'annexe en cours de grossesse: à propos d'un cas à l ...

    African Journals Online (AJOL)

    Les kystes ovariens sont dans la majorité des cas asymptomatiques et peuvent être de découverte fortuite lors d'une échographie. Ils ne deviennent symptomatiques que lorsque survient une complication. Nous présentons un cas de torsion d'annexe gauche diagnostiqué à 8 semaines et 4 jours de grossesse. Nous avons ...

  20. Architecture Fault Modeling and Analysis with the Error Model Annex, Version 2

    Science.gov (United States)

    2016-06-01

    Architecture Fault Modeling and Analysis with the Error Model Annex, Version 2 Peter Feiler John Hudak Julien Delange David P. Gluch June...Summary viii Abstract x 1 Introduction 1 1.1 Background 1 1.2 Virtual System Integration and Architecture Fault Modeling 2 1.3 Language Concepts in... Architecture Fault Models 60 7.1 Property Associations on Error Model Elements 60 7.2 Determining a Property Value 62 7.3 User-Defined Error Model Properties

  1. IEA SHC Task 42/ECES Annex 29–Working Group B

    DEFF Research Database (Denmark)

    van Helden, Wim; Yamaha, Motoi; Rathgeber, Christoph

    2016-01-01

    The IEA joint Task 42 / Annex 29 is aimed at developing compact thermal energy storage materials and systems. In Working Group B, experts are working on the development of compact thermal energy storage applications, in the areas cooling, domestic heating and hot water and industry. The majority...... challenges like the occurrence of non-condensable gases and thermo-mechanical effects and that standardized and simplified system approaches are needed....

  2. Simulation with Different Turbulence Models in an Annex 20 Benchmark Test using Star-CCM+

    DEFF Research Database (Denmark)

    Le Dreau, Jerome; Heiselberg, Per; Nielsen, Peter V.

    The purpose of this investigation is to compare the different flow patterns obtained for the 2D isothermal test case defined in Annex 20 (1990) using different turbulence models. The different results are compared with the existing experimental data. Similar study has already been performed by Ro...... et al. (2008) using Ansys CFX 11.0. In this report, the software Star-CCM+ has been used....

  3. Proposed annex to the ASTM Standard Guide E1676-95, bioaccumulation testing utilizing Eisenia foetida

    Energy Technology Data Exchange (ETDEWEB)

    Roper, J. [ASCI Corp., Vicksburg, MS (United States); Simmers, J.; Lee, C.; Tatem, H. [USACE Waterways Experiment Station, Vicksburg, MS (United States)

    1995-12-31

    A detailed description of the method developed at the Waterways Experiment Station (WES) to determine sediment toxicity utilizing the earthworm, Eisenia foetida. This method has been used successfully in evaluating the target contaminants; metals, PAHs, and PCBs. This procedure is currently a proposed annex to the ASTM Standard Guide E1676-95: Conducting a Laboratory Soil Toxicity Test With The Lumbricid Earthworm, Eisenia foetida.

  4. Court-Annexed Mediation Practice in Malaysia: What the Future Holds

    Directory of Open Access Journals (Sweden)

    Choong Yeow Choy

    2017-03-01

    Full Text Available It is an indubitable fact that the use of mediation as a form of dispute resolution process has gained traction across the globe. More importantly, the practice of mediation has also been transformed through the establishment of several techniques for formalised mediation. This article will provide insights into one of these avenues for formalised mediation, namely, court-annexed mediation practice in Malaysia. It will first discuss the motivations that led to the introduction of such a programme. This will be followed by an analysis of the operational aspects of the practice. A matter of utmost importance concerns the role of the courts and the judiciary in court-annexed mediation and this aspect is considered in considerable detail. This article will then offer suggestions on how some of the challenges that exist and are inherent in this particular method of formalised mediation could be overcome. These views are expressed with the hope that court-annexed mediation can function as an effective alternative dispute resolution mechanism under the umbrella of the Malaysian courts. Last but not least, it is also hoped that the above deliberations will be a catalyst for further comparative research and debates concerning this increasingly imperative form of formalised mediation process across all jurisdictions.

  5. Goat SRY induces testis development in XX transgenic mice.

    Science.gov (United States)

    Pannetier, Maëlle; Tilly, Gaëlle; Kocer, Ayhan; Hudrisier, Marthe; Renault, Lauriane; Chesnais, Nathalie; Costa, José; Le Provost, Fabienne; Vaiman, Daniel; Vilotte, Jean-Luc; Pailhoux, Eric

    2006-06-26

    The testis-determining gene SRY is not well-conserved among mammals, particularly between mouse and other mammals, both in terms of protein structure and of expression regulation. To evaluate SRY phylogenic conservation in regards to its function, we expressed the goat gene (gSRY) in XX transgenic mouse gonads. Here, we show that gSRY induces testis formation, despite a goat expression profile. Our results demonstrate that sex-reversal can be induced in XX-mice by a non-mouse SRY thus suggesting a conserved molecular mechanism of action of this testis-determining gene across mammalian species.

  6. A healthy, female chimera with 46,XX/46,XY karyotype.

    NARCIS (Netherlands)

    Binkhorst, M.; Leeuw, N. de; Otten, B.J.

    2009-01-01

    We report a healthy and unambiguously female newborn, whose phenotypic sex contradicted the expected male sex based on previously performed prenatal cytogenetic analysis. Both 46,XX and 46,XY cells were detected in a villus sample, the former having been attributed to maternal cell contamination.

  7. Sox9 induces testis development in XX transgenic mice

    NARCIS (Netherlands)

    Vidal, V. P.; Chaboissier, M. C.; de rooij, D. G.; Schedl, A.

    2001-01-01

    Mutations in SOX9 are associated with male-to-female sex reversal in humans. To analyze Sox9 function during sex determination, we ectopically expressed this gene in XX gonads. Here, we show that Sox9 is sufficient to induce testis formation in mice, indicating that it can substitute for the

  8. Tokyo XX videofestival ja kohtumine Suure Hiirega / Raivo Kelomees

    Index Scriptorium Estoniae

    Kelomees, Raivo, 1960-

    1998-01-01

    JVC Tokyo XX videofestivalist. Peapreemia Jon Alpertile dokumentaalse videoga "Life of Crime : Deleris's Sad Story". R. Kelomehe videost "Maja". Interaktiivse kunsti muuseumist ICC (Inter Communication Center) Tokyo Opera Citys. Ilmunud ka kogumikus "Ekraan kui membraan". Tartu, 2007, lk. 72-75

  9. 49 CFR 1242.79 - Communication systems operations (account XX-55-77).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Communication systems operations (account XX-55-77...-Transportation § 1242.79 Communication systems operations (account XX-55-77). Separate common expenses on bases of the percentages calculated for the separation of Communication Systems (account XX-19-20), § 1242...

  10. Geohydrology and water quality of Marine Corps Logistics Base, Nebo and Yermo annexes, near Barstow, California

    Science.gov (United States)

    Densmore, Jill N.; Cox, Brett F.; Crawford, Steven M.

    1997-01-01

    Because ground water is the only dependable source of water in the Barstow area, a thorough understanding of the relationship between the geology and hydrology of this area is needed to make informed ground-water management andremediation decisions. This report summarizes geologic and hydrologic studies done during 1992-95 at the Marine Corps Logistics Base, Nebo and Yermo Annexes, near Barstow, California. The geologic investigation dealt with the stratigraphy and geologic history of the area and determined the location of faults that cross the Marine Corps Logistics Base, Nebo Annex. Two of these faultscoincide with significant ground-water barriers. Geologic and hydrologic data collected for this study were used to define two main aquifer systems in this area. The Mojave River aquifer is contained within the sand and gravel of the Mojave River alluvium, and the regional aquifer lies in the bordering alluvial-fan deposits and older alluvium. Water-level data showed that recharge occurs exten sively in the Mojave River aquifer but occurs only in small areas of the regional aquifer. Dissolved- solids concentrations showed that ground-water degradation exists in the Mojave River aquifer near the Nebo Annex and extends at least 1 mile downgradient of the Nebo golf course in the younger Mojave River alluvium. Nitrogen concentrations show that more than one source is causing the observed degradation in the Mojave River aquifer. Oxygen-18, deuterium, tritium, andcarbon-14 data indicate that the Mojave River and regional aquifers have different sources of recharge and that recent recharge occurs in the Mojave River aquifer but is more limited in the regional aquifer.

  11. IEA Implementing Agreements and Annexes: A Guide for Building Technologies Program Managers

    Energy Technology Data Exchange (ETDEWEB)

    Evans, Meredydd; Meier, Alan; Runci, Paul J.

    2008-08-05

    This guide presents insights and guidance from DOE’s gathered through longstanding and extensive participation in IEA implementing agreements (IAs) and annexes. Even though DOE has been a key participant in international research activities through the IEA since the 1970s, the experience, knowledge, and institutional memory associated with these activities can be lost or forgotten easily as key DOE managers retire or leave the department. The guide seeks to assemble in a single reference some of the learning that has occurred through participation in IEA IAs as a guide for BTP managers currently responsible for IAs and for those who might consider entering into new IEA activities in the future.

  12. Review of Army Officer Educational System. Volume 3. Annex A - Good Programs

    Science.gov (United States)

    1971-12-01

    release. The distribution Ls unLiited. FOR THE CHIF: Major, Infant R&D Coordinator ANNEX A - GOOD PROGRAMS TABLE OF CONTENTS P age I INTRODUCTION TO...Indefinite status lies in the joint efforts and close cooperation between the Ordnance Branch of OPO and the Ordnance Center and School. The emphasis placed...on individual treatment by both the Ordnance Branch of OPO and the USAOC&S, coupled with the concept that every Ordnance Officer has a "HOME" at the

  13. Final Report for Annex II--Assessment of Solar Radiation Resources In Saudi Arabia, 1998-2000

    Energy Technology Data Exchange (ETDEWEB)

    Myers, D. R.; Wilcox, S. M.; Marion, W. F.; Al-Abbadi, N. M.; Mahfoodh, M.; Al-Otaibi, Z.

    2002-04-01

    The Final Report for Annex II - Assessment of Solar Radiation Resources in Saudi Arabia 1998-2000 summarizes the accomplishment of work performed, results achieved, and products produced under Annex II, a project established under the Agreement for Cooperation in the Field of Renewable Energy Research and Development between the Kingdom of Saudi Arabia and the United States. The report covers work and accomplishments from January 1998 to December 2000. A previous progress report, Progress Report for Annex II - Assessment of Solar Radiation Resources in Saudi Arabia 1993-1997, NREL/TP-560-29374, summarizes earlier work and technical transfer of information under the project. The work was performed in at the National Renewable Energy Laboratory (NREL) in Golden, Colorado, at the King Abdulaziz City for Science and Technology (KACST) in Riyadh, Saudi Arabia, and at selected weather stations of the Saudi Meteorological and Environmental Protection Administration (MEPA).

  14. IEA EBC Annex 57 ‘Evaluation of Embodied Energy and CO2eq for Building Construction’

    DEFF Research Database (Denmark)

    Birgisdottir, Harpa; Moncaster, Alice; Houlihan Wiberg, Aoife

    2017-01-01

    together to develop a detailed understanding of the multiple calculation methods and the interpretation of their results. Based on an analysis of 80 case studies, Annex 57 showed various inconsistencies in current methodological approaches, which inhibit comparisons of results and difficult development...... of robust reduction strategies. Reinterpreting the studies through an understanding of the methodological differences enabled the cases to be used to demonstrate a number of important strategies for the reduction of embodied impacts. Annex 57 has also produced clear recommendations for uniform definitions...

  15. Discord and information deficit in the XX chain

    OpenAIRE

    Ciliberti, Leonardo; Canosa, Norma; Rossignoli, Raúl Dante

    2013-01-01

    We examine the quantum correlations of spin pairs in the cyclic XX spin 1/2 chain in a trans- verse field, through the analysis of the quantum discord, the geometric discord and the information deficit. It is shown that while these quantities provide the same qualitative information, being non- zero for all temperatures and separations and exhibiting the same type of asymptotic behavior for large temperatures or separations, important differences arise in the minimizing local measurement that...

  16. Proceedings of the IEA implementing agreement on photovoltaic power systems. Annex 4 workshop

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-01-01

    The International Energy Agency (IEA) Implementing Agreement on Photovoltaic Power Systems (PVPS), established in 1993, is a collaborative effort of sponsoring countries to reduce costs of technology applications, increase awareness of potential value, and foster market deployment of PV. Task 4, the Modeling of Distributed Photovoltaic Power Generation in Support of the Electric Grid, is one of six project work areas established under the Implementing Agreement. The work under Task 4 has been assigned to Annex 4. Although Task 4 was framed in 1993, no progress had been made in implementation as of mid-1995. The Annex 4 Workshop, described herein, was a focused effort by the participants to redefine the issuer in light of today`s knowledge, and to gain interest among potential collaborators and participants. The purpose of the workshop was to determine the current status of methods for evaluating the benefits of and planning for grid-connected PV systems and to establish a plan for further action according to the needs and priorities of participants.

  17. X chromosome activity in mouse XX primordial germ cells.

    Directory of Open Access Journals (Sweden)

    Susana M Chuva de Sousa Lopes

    2008-02-01

    Full Text Available In the early epiblast of female mice, one of the two X chromosomes is randomly inactivated by a Xist-dependent mechanism, involving the recruitment of Ezh2-Eed and the subsequent trimethylation of histone 3 on lysine 27 (H3K27me3. We demonstrate that this random inactivation process applies also to the primordial germ cell (PGC precursors, located in the proximal region of the epiblast. PGC specification occurs at about embryonic day (E7.5, in the extraembryonic mesoderm, after which the germ cells enter the endoderm of the invaginating hindgut. As they migrate towards the site of the future gonads, the XX PGCs gradually lose the H3K27me3 accumulation on the silent X chromosome. However, using a GFP transgene inserted into the X chromosome, we observed that the XX gonadal environment (independently of the gender is important for the substantial reactivation of the inactive X chromosome between E11.5 and E13.5, but is not required for X-chromosome reactivation during the derivation of pluripotent embryonic germ cells. We describe in detail one of the key events during female PGC development, the epigenetic reprogramming of the X chromosome, and demonstrate the role of the XX somatic genital ridge in this process.

  18. Annexe 3

    OpenAIRE

    2015-01-01

    Adrien = Paul Parrott (chez Pathé-Baby) L’Afrique = Ernie « Sunshine » Morrison Agénor = Hank Mann à ses débuts ( ?) Alcide = Charlie Murray Ambroise = Mack Swain Anatole = Sid Smith (chez Pathé-Baby) Andoche = Ben Turpin Andy = Andy Clyde Babylas = Snub Pollard ( ?) Bagoutin = Stan Laurel (chez Pathé-Baby) Beaucitron = Snub Pollard Bill = Bill Parsons Bill Bockey ou Bilboquet = Hank Mann Billy = Billy West, Billy Quirk ou Billy Bevan Bobby = Bobby Vernon ou Bobby Ray Bouboule = Hughey Mack (...

  19. Wind Structure and Wind Loading

    DEFF Research Database (Denmark)

    Brorsen, Michael

    The purpose of this note is to provide a short description of wind, i.e. of the flow in the atmosphere of the Earth and the loading caused by wind on structures. The description comprises: causes to the generation of windhe interaction between wind and the surface of the Earthhe stochastic nature...... of windhe interaction between wind and structures, where it is shown that wind loading depends strongly on this interaction...

  20. 78 FR 27982 - U.S. Flag Compliance With MARPOL Annex VI International Energy Efficiency (IEE) Requirements

    Science.gov (United States)

    2013-05-13

    ... SECURITY Coast Guard U.S. Flag Compliance With MARPOL Annex VI International Energy Efficiency (IEE... issuance of an International Energy Efficiency Certificate and the preparation of a Ship Energy Efficiency... Energy Efficiency Design Index. These requirements apply to all U.S. flag ships 400 gross tonnage and...

  1. 76 FR 19380 - Notice of Entry Into Effect of MARPOL Annex V Wider Caribbean Region Special Area

    Science.gov (United States)

    2011-04-07

    ... SECURITY Coast Guard Notice of Entry Into Effect of MARPOL Annex V Wider Caribbean Region Special Area... effect of discharge requirements from ships in the Wider Caribbean Region (WCR) special area (SA) as...(b), the Coast Guard announces the May 1, 2011 date for entry into effect of discharge requirements...

  2. 75 FR 20364 - Public Buildings Service; Key Largo Beacon Annex Site; Key Largo, FL; Transfer of Property

    Science.gov (United States)

    2010-04-19

    ... From the Federal Register Online via the Government Publishing Office GENERAL SERVICES ADMINISTRATION Public Buildings Service; Key Largo Beacon Annex Site; Key Largo, FL; Transfer of Property... hereby given that: 1. The General Services Administration transferred 4.2 acres of land and improvements...

  3. 76 FR 33809 - Amendment and Update to the Entry for an Individual Named in the Annex to Executive Order 13219...

    Science.gov (United States)

    2011-06-09

    ... Persons (``SDN List''). The individual's date of birth has been amended and two addresses and an alternate place of birth have been added to the SDN List entry. The individual was listed in the Annex to... Executive Order 13219 of June 26, 2001.'' DATES: The update to the entry of this individual on the SDN List...

  4. Radiological assessment report for the University of Rochester Annex, 400 Elmwood Avenue, Rochester, New York, April-May 1984

    Energy Technology Data Exchange (ETDEWEB)

    Wynveen, R.A.; Smith, W.H.; Sholeen, C.M.; Flynn, K.F.

    1984-12-01

    In light of the results of the comprehensive radiological assessment of the annex and auxiliary facilities, the following conclusions can be made: There is no immediate hazard from the elevated levels of radioactivity detected; however, some of these levels are above criteria. The radon, thoron, actinon, long-lived particulates, and tritium in the air are all below criteria for unrestricted use. Some ductwork has been identified as being contaminated. All ductwork must, therefore, be considered potentially contaminated. Since several floor drains were found to exhibit elevated readings, and the samples had elevated concentrations of radionuclides, it must be concluded that the drain and sewer systems of the Annex are contaminated with radioactive material. Since the samples collected from the storm and sewer systems outside the building also had elevated concentrations of radionuclides, these systems are also considered contaminated with radioactive material. The grounds around the Annex have exhibited background concentrations of radionuclides. Two rooms, B-330 and B-332, were inaccessible for survey due to the presence of stored furniture and equipment. Therefore, no comment about their radiological status can be made. At the common baseboard for Room C-12 and C-16 and on the floor below the tile in Room C-40, contamination appeared to be masked by construction modifications. Other areas of the Annex must also be considered potentially contaminated where modifications may have masked the contamination.

  5. Paul Scherrer Institut annual report 1994. Annex II: PSI life sciences and institute for medical radiobiology newsletter 1994

    Energy Technology Data Exchange (ETDEWEB)

    Reist, H.W. [ed.] [Paul Scherrer Inst. (PSI), Villigen (Switzerland)

    1995-10-01

    This annex reports on the PSI life science division`s progress achieved during 1994 in the fields of radiation medicine, radiopharmacy, magnetic resonance imaging, radiation hygiene, positron emission tomography (PET) and medical radiology. A bibliography of the department`s publications is included. figs., tabs., refs.

  6. The discourses of the invention of the National Celebration of Nicoya ’s Annexation , 1940-1974

    Directory of Open Access Journals (Sweden)

    Esteban Alfaro Salas

    2014-02-01

    the province, and try to better position its image in the country. The sesquicentennial celebration of the annexation, in 1974, was a milestone in the deployment that this was achieved in Guanacaste, however, showed that it was still not consolidated with the desired intensity in the rest of the country.

  7. Assessing capacities of non-Annex I countries for national forest monitoring in the context of REDD+

    NARCIS (Netherlands)

    Romijn, J.E.; Herold, M.; Kooistra, L.; Murdiyarso, D.; Verchot, L.

    2012-01-01

    Countries participating in REDD+ need to prepare to report on their forest carbon stocks changes. Remote sensing and forest inventories are key tools and data sources for monitoring but the capacities within non-Annex I countries needed for reporting to the UN Framework Convention on Climate Change

  8. IEA Wind Task 36 Forecasting

    Science.gov (United States)

    Giebel, Gregor; Cline, Joel; Frank, Helmut; Shaw, Will; Pinson, Pierre; Hodge, Bri-Mathias; Kariniotakis, Georges; Sempreviva, Anna Maria; Draxl, Caroline

    2017-04-01

    , and one or more benchmark studies implemented on the Windbench platform hosted at CENER. Additionally, spreading of relevant information in both the forecasters and the users community is paramount. The poster also shows the work done in the first half of the Task, e.g. the collection of available datasets and the learnings from a public workshop on 9 June in Barcelona on Experiences with the Use of Forecasts and Gaps in Research. Participation is open for all interested parties in member states of the IEA Annex on Wind Power, see ieawind.org for the up-to-date list. For collaboration, please contact the author grgi@dtu.dk).

  9. Annex to 7-GeV Advanced Photon Source Conceptual Design Report

    Energy Technology Data Exchange (ETDEWEB)

    1988-05-01

    The Annex to the 7-GeV Advanced Photon Source Conceptual Design Report updates the Conceptual Design Report of 1987 (CDR-87) to include the results of further optimization and changes of the design during the past year. The design changes can be summarized as affecting three areas: the accelerator system, conventional facilities, and experimental systems. Most of the changes in the accelerator system result from inclusion of a positron accumulator ring (PAR), which was added at the suggestion of the 1987 DOE Review Committee, to speed up the filling rate of the storage ring. The addition of the PAR necessitates many minor changes in the linac system, the injector synchrotron, and the low-energy beam transport lines. 63 figs., 18 tabs.

  10. The integrated engineering system for the HVAC branch. Annex; Das integrierte Ingenieursystem fuer die Haustechnikbranche; Anhang

    Energy Technology Data Exchange (ETDEWEB)

    Allenspach, J.; Duppenthaler, A.; Helbling, R.; Kohler, T.; Mantel, R.; Meineke, E. [Paul Scherrer Inst. (PSI), Villigen (Switzerland)

    1994-01-01

    In 1987, the intention of the former Swiss Federal Institute for Reactor Research was to initiate a transfer of know-how into practice by launching this project. The increasing need for software engineering tools by heating, ventilation and air conditioning (HVAC) companies demanded a new tool; to realise it, a joint venture project with private industry should concentrate the individual capabilities of each partner toward this goal. The present report describes the concept of the integrated engineering system, its user interface, the models, graphics, tools, multiuser operation and the system boundary. Results of field tests are presented together with information of the availability of the system. The annex contains the agreement for the usage of the public-domain-version of the system, experience reports of pilot clients and the end user`s and developer`s documentation. (author) figs., tabs., refs.

  11. Ionizing radiation and legislation for personnel - Annex B; Radiacoes ionizantes e legislacao para trabalhadores - Anexo B

    Energy Technology Data Exchange (ETDEWEB)

    Delgado, Jose Ubiratan [Instituto de Radioprotecao e Dosimetria (LNMRI/IRD/CNEN-RJ), Rio de Janeiro, RJ (Brazil). Lab. Nacional de Metrologia das Radiacoes Ionizantes

    2013-11-15

    This annex B presents a chronological approach on the set of laws related to the ionizing radiation personnel. This paper aims to discuss and clarify the main concepts that constitute the current legislation, pointing the scope of each, as well as its ambiguities or inaccuracies. The consequences of those issues discussed are easily noticeable related to difficulties in legal, administrative and human resource management, when seeking their efficient application. We also discuss issues associated with the extent and frequency of the gradient of risk in 5, 10 and 20%, models for assessing potential exposure in a risk area, dose calculation and criteria for defining benefits and framework for irradiation, bonus for activity, special retirement and period of vacations for personnel occupationally exposed within Unified Legal System (Regime Juridico Unico) and the Consolidation of Labor Laws (CLT)

  12. HAM-Tools – a whole building simulation tool in Annex 41

    DEFF Research Database (Denmark)

    2008-01-01

    HAM-Tools is a building simulation software. The main task of this tool is to simulate transfer processes related to building physics, i.e. heat, air and moisture transport in buildings and building components in operating conditions. The scope of the ECBCS Annex 41 “Whole Building Heat, Air...... and Moisture Response” was of a high relevance for the testing, development, validation and promotion of the HAM-Tools. The majority of the numerical studies made by this programme were provided for Subtask 1 “Modelling principles and common exercises”. This paper gives an overview of the modelling...... capabilities of HAM-Tools and some results provided for Subtask 1....

  13. Comparison of turbulence models for numerical calculation of airflow in an annex 20 room

    DEFF Research Database (Denmark)

    Voigt, Lars P. K.

    2000-01-01

    the Reynolds Averaged Navier Stokes equations.Five two-equation turbulence models were tested. These are the standard k-epsilon model, the low-Reynolds number k-epison model by Launder & Sharma, the k-omega model by Wilcox, the k-omega baseline (BSL) model by Menter and the k-omega Shear Stress Transport (SST......The report deals with 2-D numerical calculation of room airflow in an isothermal annex 20 room. The report documents the ability of the flow solver EllipSys2D to give results in good agreement with measurements for the specified test case. The flow solver is a finite volume code solving...

  14. Roadmap NRK 2012-2030. Annex; Routekaart NRK 2012-2030. Bijlage

    Energy Technology Data Exchange (ETDEWEB)

    Krebbekx, J.; Duivenvoorde, G.; De Wolf, W. [Berenschot Groep, Utrecht (Netherlands); Lenselink, J. [Energy Experts International, Huissen (Netherlands)

    2012-01-15

    This roadmap identifies how RKI companies (rubber and synthetic materials) can create new revenue opportunities: development of sustainable products, switching from petroleum to carbon chains from biobased materials, closing the material chain (reuse/recycling). Also within their own organizations more efficiency can be achieved by continuing to invest in innovation in processes and innovation in the organization itself. A selective overview is given of innovation projects. This report is a separate annex to the main report [Dutch] In deze routekaart wordt aangegeven op welke wijze RKI-bedrijven (rubber en kunststoffen) nieuwe omzetkansen kunnen creeren: ontwikkelen van duurzame producten; overschakelen van aardolie naar koolstofketens uit biobased materialen; sluiten van de materiaalketen (hergebruik/recycling). Ook binnen de eigen organisatie kan er meer rendement worden behaald door te blijven investeren in innovatie in de eigen processen en innovatie in de eigen organisatie. Er is een overzicht gegeven van alle mogelijke verzamelde en geselecteerde innovatieprojecten. Deze publikatie is een aparte bijlage bij het hoofdrapport.

  15. Torsion d'annexe au second trimestre de la grossesse, à propos de deux cas

    Science.gov (United States)

    Ayachi, Amira; Blel, Zeineb; Khelifa, Nahed; Mkaouer, Lassaad; Bouchahda, Rim; Mourali, Mechaal

    2016-01-01

    Les douleurs pelviennes aigues pendant la grossesse peuvent poser un problème de diagnostic différentiel.Nous rapportons deux cas de torsion d'annexes au deuxième trimestre de la grossesse afin d'attirer l'attention sur ce diagnostic, dont seule une prise en charge précoce permet d'éviter des lésions irréversibles dues à l'ischémie, pouvant mettre en jeu le pronostic ultérieur de fertilité. La première patiente, G1P0, enceinte à 20 SA, s'est présenté initialement pour un syndrome appendiculaire. Une incision de Mac Burney, au cours de l'exploration, a montré un ovaire droit nécrosé et une ovariectomie a été faite. Les suites post opératoires étaient simples. La seconde patiente, G2P2, s'est présenté aux urgences avec des douleurs aigues de la fosse iliaque gauche à 26 SA. La laparotomie a mis en évidence une torsion d'une hydatide de Morgani, dont l'aspect nécrosé dû à une torsion, a orienté vers une ablation de l'hydatide. Pour les deux patientes, aucune complication postopératoire n'a été relevée. La torsion d'annexe est une urgence à ne pas méconnaître devant toute douleur pelvienne aigue chez la femme enceinte. Le traitement conservateur est actuellement le gold standard et une prise en charge appropriée est nécessaire pour éviter d'éventuelles complications maternelles et fœtales. PMID:28292076

  16. Un estado del arte del liderazgo en el siglo XX

    OpenAIRE

    Betancur Calderón, Daniel

    2014-01-01

    En este artículo se presenta una revisión de la literatura sobre el constructo ininteligible y multideterminado del liderazgo -- En él se describen los conceptos básicos y los diferentes estudios y hallazgos realizados en el siglo XX, con el objetivo de lograr identificar ventajas y limitaciones de las diferentes aproximaciones metodológicas, y con base en esto propiciar un entendimiento adecuado de este constructo y su papel en las organizaciones humanas -- En este sentido, este trabajo repr...

  17. Quantum Correlations and Teleportation in Heisenberg XX Spin Chain

    Science.gov (United States)

    Qin, Wan; Guo, Jin-Liang

    2015-07-01

    We investigate the thermal quantum correlations in the Heisenberg XX spin chain, and the teleportation of a two-qubit entangled state via the spin chain is analyzed. It is found that the effects of external magnetic field and three-site interaction on the thermal entanglement and quantum discord between the nearest or the next nearest neighbor qubits behave differently in various aspects. Special attention is paid to how to enhance the quantum correlations of the output state and the average fidelity of the teleportation. We find that quantum discord gives a better performance in the quantum correlations transmission, and the three-site interaction is necessary for a successful teleportation.

  18. Ismos y vanguardias del siglo XX (continuación

    Directory of Open Access Journals (Sweden)

    Rocamora, Carmen

    1999-06-01

    Full Text Available Not available.En enero de 1998, en el n.º 625 de Arbor, publiqué un extracto de mi libro Ismos y vanguardias S. XX. En él, describí solamente las más conocidas y aquellas que pudiesen captar la atención del lector de forma rápida y atractiva, dejando para este nuevo trabajo las vanguardias más controvertidas, menos conocidas y hasta ignoradas y rechazadas por el público.

  19. Barrels by the sea: Barrels XX meeting report.

    Science.gov (United States)

    Ramos, Raddy L; Brumberg, Joshua C

    2008-03-01

    The 20th annual Barrels meeting brought together researchers who utilize behavioral, physiological, anatomical, and molecular techniques to understand the structure and function of the barrel system. Barrels XX featured talks on the role inhibition has in shaping cortical responses within the barrel system, the molecular cues that influence the development of the whisker-to-barrel system, and the synaptic plasticity that can shape responses within the system. The meeting highlighted why the whisker-to-barrel system is an ideal model to investigate the development of cortical circuitry and how its functioning can influence behavioral responses.

  20. Habitar al borde del agua : villas del siglo XX

    OpenAIRE

    Canosa Benítez, Silvia

    2016-01-01

    Las casas del siglo XX construidas al borde del mar –escenario único y origen de su expresión- siguen la topografía del suelo que habitan en su descenso al agua, y organizan espacios que obtienen miradas al horizonte marino. El horizonte nos confronta a lo desconocido. La vista del mar incita al deseo de recorrerlo, al deseo de viajar. Con origen en el otium romano, la presencia del agua define un modo de vida apacible –epicúreo- que los viajeros de la arquitectura -que nos acompañan en la te...

  1. An empirical case study of the transfer of GHG mitigation technologies from Annex 1 countries to Malaysia under the Kyoto Protocol’s Clean Development Mechanism (CDM)

    DEFF Research Database (Denmark)

    Hansen, Ulrich Elmer

    2011-01-01

    This study assesses what role the CDM currently plays in relation to the transfer of GHG mitigation technologies from Annex 1 countries to non-Annex 1 countries. The study relies on multiple sources of qualitative data and is conducted as a case study of 13 CDM projects implemented in Malaysia...... it can be concluded that the CDM only plays a role in one out of the 13 projects examined. The study may contribute to provide a background for adopting future provisions concerning technology transfer in the CDM or other initiatives involving GHG mitigation activities in non-Annex 1 countries....

  2. Optimization of Power Coefficient of Wind Turbine Using Genetic Algorithm

    Science.gov (United States)

    Rajakumar, Sappani; Ravindran, Durairaj; Sivakumar, Mahalingam; Venkatachalam, Gopalan; Muthukumar, Shunmugavelu

    2017-04-01

    In the design of a wind turbine, the goal is to attain the highest possible power output under specified atmospheric conditions. The optimization of power coefficient of horizontal axis wind turbine has been carried out by integration of blade element momentum method and genetic algorithm (GA). The design variables considered are wind velocity, angle of attack and tip speed ratio. The objective function is power coefficient of wind turbine. The different combination of design variables are optimized using GA and then the Power coefficient is optimized. The optimized design variables are validated with the experimental results available in the literature. By this optimization work the optimum design variables of wind turbine can be found economically than experimental work. NACA44XX series airfoils are considered for this optimization work.

  3. Wind turbines

    Energy Technology Data Exchange (ETDEWEB)

    Yeoman, J.C. Jr.

    1978-12-01

    This evaluation of wind turbines is part of a series of Technology Evaluations of possible components and subsystems of community energy systems. Wind turbines, ranging in size from 200 W to 10 MW, are discussed as candidates for prime movers in community systems. Estimates of performance characteristics and cost as a function of rated capacity and rated wind speed are presented. Data concerning material requirements, environmental effects, and operating procedures also are given and are represented empirically to aid computer simulation.

  4. Four Problems with the Clinical Control of Interstitial Pneumonia, or Chronic Fatigue Syndrome, Using the Megadose Vitamin C Infusion System with Dehydroepiandrosterone-Cortisol Annex

    National Research Council Canada - National Science Library

    MITSUO KODAMA; TOSHIKO KODAMA

    2006-01-01

    Since 1996 in our clinic, the regular practice of megadose vitamin C infusion with dehydroepiandrosterone-cortisol annex and the continuous intake of erythromycin and chloramphenicol have been found...

  5. 49 CFR 1242.46 - Computers and data processing equipment (account XX-27-46).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Computers and data processing equipment (account XX-27-46). 1242.46 Section 1242.46 Transportation Other Regulations Relating to Transportation... RAILROADS 1 Operating Expenses-Equipment § 1242.46 Computers and data processing equipment (account XX-27-46...

  6. 49 CFR 1242.69 - Clearing wrecks (account XX-52-63).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Clearing wrecks (account XX-52-63). 1242.69 Section 1242.69 Transportation Other Regulations Relating to Transportation (Continued) SURFACE...-Transportation § 1242.69 Clearing wrecks (account XX-52-63). Separate common expenses according to specific...

  7. 49 CFR 1242.62 - Clearing wrecks (account XX-51-63).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Clearing wrecks (account XX-51-63). 1242.62 Section 1242.62 Transportation Other Regulations Relating to Transportation (Continued) SURFACE...-Transportation § 1242.62 Clearing wrecks (account XX-51-63). Separate common expenses according to specific...

  8. 49 CFR 1242.11 - Administration-bridges and buildings (account XX-19-03).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Administration-bridges and buildings (account XX... RAILROADS 1 Operating Expenses-Way and Structures § 1242.11 Administration—bridges and buildings (account XX-19-03). Separate common administration—bridges and buildings expenses between freight and passenger...

  9. 49 CFR 1242.86 - Industrial development (account XX-61-90).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Industrial development (account XX-61-90). 1242.86 Section 1242.86 Transportation Other Regulations Relating to Transportation (Continued) SURFACE....86 Industrial development (account XX-61-90). These accounts pertain solely to freight service and...

  10. 49 CFR 1242.18 - Communication systems (account XX-19-20).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Communication systems (account XX-19-20). 1242.18 Section 1242.18 Transportation Other Regulations Relating to Transportation (Continued) SURFACE... Structures § 1242.18 Communication systems (account XX-19-20). Separate common expenses on the basis of the...

  11. Next generation 9xx/10xx nm high power laser diode bars for multi-kilowatt industrial applications

    Science.gov (United States)

    Commin, Paul; Todt, René; Krejci, Martin; Bättig, Rainer; Brunner, Reinhard; Lichtenstein, Norbert

    2013-02-01

    We report on the development of high power, 9xx-10xx nm laser diode bars for use in direct diode systems and for solidstate and fibre laser pumping with applications in industrial markets. For 1 cm wide bars on micro channel cooler (MCC) we have achieved a reliable output power of 250 W across the 900 nm - 1060 nm range. At this output power level we have achieved power conversion efficiencies of 65-66 % and 90 % power content slow axis beam divergence of ~6.5°. Results of a 6400 h life test show an average power degradation of 0.6 % per 1000 h at this operating power level. We will also show results of high power bars assembled on the new OCLARO conductive cooler, the BLM. This new cooler has a small footprint of 12.6 mm × 24.8 mm and is designed for lateral or vertical stacking of diodes in multi kilowatt systems but with the benefits associated with a conductive cooler. The thermal properties are shown to be the same as for a standard CS mount. 1 cm wide high fill factor bars and 0.5 cm wide low fill factor half bars assembled on the BLM operate at 63-64 % power conversion efficiency (PCE) with output powers of up to 250 W and 150 W, respectively.

  12. Wind Energy

    Energy Technology Data Exchange (ETDEWEB)

    Ganley, Jason; Zhang, Jie; Hodge, Bri-Mathias

    2016-03-15

    Wind energy is a variable and uncertain renewable resource that has long been used to produce mechanical work, and has developed into a large producer of global electricity needs. As renewable sources of energy and feedstocks become more important globally to produce sustainable products, many different processes have started adopting wind power as an energy source. Many times this is through a conversion to hydrogen through electrolysis that allows for a more continuous process input. Other important pathways include methanol and ammonia. As the demand for sustainable products and production pathways increases, and wind power capital costs decrease, the role of wind power in chemical and energy production seems poised to increase significantly.

  13. EOLICARE project: airborne wind turbine; Projet EOLICARE: eolienne aeroportee

    Energy Technology Data Exchange (ETDEWEB)

    Benhaiem, Pierre

    2010-09-15

    1 -- Introduction : a) General context b) Actual schematics of wind energy c)Towards a method for converting upper-level winds energy d) Planned airborne operating systems using kites. 2 - Study of the method called OrthoKiteBunch (OKB) :a) Technical aspects and comments of schematics in appendix b) Advantages and estimated costs) 3 - System implementation of OKB in the energy mix, study of synergies and possible complementarities :a) OKB installations-thermal plant b) Nuclear installation-OKB. 4 - Conclusion. References. Schematics. Appendices. Illustrations. [French] 1 -- Introduction : a) Contexte general b) Schemas actuels de l'energie eolienne c)Vers une methode de conversion de l'energie des vents de haute altitude d) Systemes d'exploitation aeroportes envisages mettant en oeuvre des cerfs-volants. 2 - Etude de la methode dite OrthoKiteBunch (OKB) :a) Aspects techniques et commentaires des schemas en annexe b) Avantages et couts estimes) 3 - Implantation du systeme OKB au sein du bouquet energetique,etude des synergies et complementarites possibles :a) Installations OKB-centrale thermique b) Installations nucleaire-OKB. 4 - Conclusion.References.Schemas annexes.Illustrations.

  14. XX sex reversal, palmoplantar keratoderma, and predisposition to squamous cell carcinoma: genetic analysis in one family.

    Science.gov (United States)

    Radi, Orietta; Parma, Pietro; Imbeaud, Sandrine; Nasca, Maria Rita; Uccellatore, Filippo; Maraschio, Paola; Tiepolo, Luciano; Micali, Giuseppe; Camerino, Giovanna

    2005-10-15

    We describe a large inbred Sicilian family that includes four 46, XX (SRY-) brothers. Palmoplantar hyperkeratosis (PPK) and an associated predisposition to squamous cell carcinoma (SCC) of the skin, segregates as a recessive trait within the family. Interestingly, all the PPK-affected members of the family are phenotypic males (46,XY or 46,XX) while seven XX sibs are healthy phenotypic females with no signs of PPK. We propose that homozygosity for a single mutational event, possibly including contiguous genes, may cause PPK/SCC in both XY or XX individuals and sex reversal in XX individuals. The family is informative for linkage analysis for the PPK trait and allows linkage exclusion for the sex reversal trait. Here we show that 15 loci involved in PPK etiology, skin differentiation, function or malignancy, and nine loci involved in sex determination/differentiation are not implicated in the phenotype of this family.

  15. The Geopolitics of Central Asia after the Annexation of Crimea in 2014

    Directory of Open Access Journals (Sweden)

    Razma Ainis

    2015-12-01

    Full Text Available The annexation of Crimea accomplished by Russia in 2014 is the event that stands out sharply in the context of post-Cold War international relations: it was the first time after the end of WWII in Europe that a part of the territory of a sovereign state was forcefully annexed. This means that the re-drawing of borders and revisionism are back in international relations as the principles and ways of policy making. It would be plausible to assume that the consequences of an event of such scale would be noticeable not only in its direct neighborhood but as well in more distant, though geopolitically sensitive contexts. The article explores the impact that Russia‘s Crimea campaign has had on the geopolitics of Central Asia and what consequences could be deemed plausible in the future. It is assumed that, due to the annexation of Crimea, international relations started polarizing around the two centers of power: the West and Russia. This trend brings the mentality of strategic confrontation back into international relations. The polarization seemingly becomes a geopolitical factor, which influences the power dynamics in Central Asia in its cultural-informational, military and economic aspects. From the cultural-informational perspective, the polarization is incompatible with the provisions of multivector foreign policies, and pursued by the Central Asian states; therefore, they attempt to neutralize the trend by withholding from taking clear-cut positions with regard to the Ukrainian events. Such a stance, however, does not provide for hedging against military threats, which are perceived as rather real in Central Asia because of the Russian modus operandi in Ukraine, as well as due to the seemingly catalyzing impact of current Russian policies on the local separatist forces and radical Islamic groups. Apprehension about a replication of a Crimean scenario as well as the asymmetric character of military threat may push the Central Asian states to

  16. TENDENCIES OF DEVELOPMENT OF IMMIGRATION SCHOOLING IN THE XX CENTURY

    Directory of Open Access Journals (Sweden)

    Віталій Мацько

    2015-12-01

    Full Text Available The article deals with objective and subjective tendencies of development of primary, secondary and higher education in the countries west, inhabited by immigrants from Ukraine. It is proved that during the XX century Ukrainian emigration schooling went that evolutional way, which other nations did in foreign environment. Unlike schools that existed in the USSR, the emigrants kept schools at their own expense and only in some cases the state assumed the obligation to teach Ukrainian children (Czechoslovakia, Canada. In the history of pedagogy the activity of school of Ukrainian studies outside the motherland – is a unique example of preservation of national identity, instilling in the younger generation the knowledge about Ukraine, its customs and traditions. The practice proves that children, who learned early the basics of the Ukrainian language and literature in foreign environment, fluently speak their native language during their lives.

  17. Entanglement spectrum and entangled modes of random XX spin chains

    Science.gov (United States)

    Pouranvari, Mohammad; Yang, Kun

    2013-08-01

    In this paper, we study the ground-state entanglement properties of finite XX spin-1/2 chains with random couplings using the Jordan-Wigner transformation. We divide the system into two parts and study the reduced density matrices (RDMs) of its subsystems. Due to the free-fermion nature of the problem, the RDMs take the form of that of a free-fermion thermal ensemble. Finding the spectrum of the corresponding entanglement Hamiltonian and corresponding eigenvectors and comparing them with the real-space renormalization-group (RSRG) treatment, we establish the validity of the RSRG approach for entanglement in the limit of strong disorder but also find its limitations when disorder is weak. In the latter case, our paper provides a way to visualize the ``effective spins'' that form long-distance singlet pairs.

  18. Evaluation report of the Nordic-Baltic annex to the INEX-2-FIN-exercise April 17, 1997

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-10-01

    Under the auspices of the NKS programme and as a part of EKO-4 project a special Nordic-Baltic emergency exercise was carried out. In order to rationalise exercise activities it was organised as an annex to the international INEX-2-FIN exercise arranged by the OECD/NEA on April 17, 1997. Some countries carried out simultaneous national exercises as well. Only the Nordic-Baltic exercise is discussed in this report. The objectives of the INEX-2-FIN exercise were to test real time information exchange, decision making based on plant conditions and real weather, and public information. These objectives determined the framework for the scenario and necessary scripts of the exercise. For the Nordic-Baltic annex of the exercise five more detailed objectives, subordinated to the INEX-2-FIN objectives, were defined by the planning group under EKO-4 project. Since the exercise was the first of this kind for the Baltic countries only one of the special objectives was designed for them, namely N4. An independent evaluators group, consisting of one member from each participating country plus a chairperson, was set to evaluate the Nordic-Baltic annex of the INEX-2-FIN exercise. However, because of lack of personnel in the Baltic countries the evaluators were the same persons as in the planning group. (au)

  19. Technical Basis for Radiological Emergency Plan Annex for WTD Emergency Response Plan: West Point Treatment Plant

    Energy Technology Data Exchange (ETDEWEB)

    Hickey, Eva E.; Strom, Daniel J.

    2005-08-01

    Staff of the King County Wastewater Treatment Division (WTD) have concern about the aftermath of a radiological dispersion event (RDE) leading to the introduction of significant quantities of radioactive material into the combined sanitary and storm sewer system in King County, Washington. Radioactive material could come from the use of a radiological dispersion device (RDD). RDDs include "dirty bombs" that are not nuclear detonations but are explosives designed to spread radioactive material (National Council on Radiation Protection and Measurements (NCRP) 2001). Radioactive material also could come from deliberate introduction or dispersion of radioactive material into the environment, including waterways and water supply systems. This document, Volume 3 of PNNL-15163 is the technical basis for the Annex to the West Point Treatment Plant (WPTP) Emergency Response Plan related to responding to a radiological emergency at the WPTP. The plan primarily considers response to radioactive material that has been introduced in the other combined sanitary and storm sewer system from a radiological dispersion device, but is applicable to any accidental or deliberate introduction of materials into the system.

  20. Study supporting the phasing out of environmentally harmful subsidies. Annexes to Final Report

    Energy Technology Data Exchange (ETDEWEB)

    Withana, S.; Ten Brink, P.; Franckx, L.; Hirschnitz-Garbers, M.; Mayeres, I.; Oosterhuis, F.; Porsch, L.

    2012-10-15

    The need to reform ineffective or harmful public subsidies has long been recognised and has been a contentious point of discussion for several years. The EU has a long-standing commitment to removing or phasing out environmentally harmful subsidies (EHS). Most recently, the need to phase out EHS is reiterated in the 'Roadmap for a resource efficient Europe' which includes a milestone that 'by 2020 EHS will be phased out, with due regard to the impact on people in need'. Despite several commitments, progress has been slow and subsidies remain an issue in most EU countries. This study focuses specifically on EHS at the level of EU Member States; it identifies key types of EHS and examines cases of existing EHS across a range of environmental sectors and issues, including subsidies from non-action. The study also analyses examples of good practices in the reform of EHS in EU Member States and the lessons that can be learnt from these cases. Finally, based on this analysis, it develops practical recommendations on phasing out and reforming EHS to support the objectives of the Europe 2020 Strategy and the resource efficiency agenda. The study was carried out between January and October 2012 and is based on an analysis of literature and consultation with experts and policy makers. The sectoral cases studied are listed and discussed in this annex report: agriculture, climate and energy, fisheries, food, forestry, materials, transport, waste, and water.

  1. Options for shallow geothermal energy for horticulture. Annexes; Kansen voor Ondiepe Geothermie voor de glastuinbouw. Bijlagen

    Energy Technology Data Exchange (ETDEWEB)

    Hellebrand, K. [IF-Technology, Arnhem (Netherlands); Post, R.J. [DLV glas en energie, Naaldwijk (Netherlands); In ' t Groen, B. [KEMA, Arnhem (Netherlands)

    2012-06-15

    Geothermal energy is too expensive to serve as energy supply for most horticultural entrepreneurs. Therefore, research has been carried out into options to use heat from more shallow layers (shallow geothermal energy). Unlike shallow geothermal energy deep geothermal energy can be applied on a smaller scale, possibly also for individual growers. It can be applied in combination with an existing heating system, but with a more sustainable outcome. Because drilling is done in shallow layers, drilling costs and financial risks are lower. This report comprises the annexes (A) Geologic Framework, and (B) Maps of the Netherlands (depth, thickness of sand layers, temperature and shallow geothermal energy potential [Dutch] Geothermie is voor de meeste tuinbouwondernemers teduur om als energievoorziening te dienen. Daarom is onderzoek gedaan naar mogelijkheden om warmte te gebruiken uit ondiepere lagen (ondiepe geothermie). In tegenstelling tot diepe geothermie is ondiepe geothermie op kleinere schaal toepasbaar, mogelijk ook voor individuele kwekers. Het kan in combinatie met de bestaande verwarmingsinstallatie worden ingezet maar met een duurzamer resultaat. Omdat ondieper wordt geboord zijn de boorkosten en de financiele risico's lager. Dit rapport bevat de bijlagen: (A) Geologisch kader, en (B) B Kaarten Nederland (diepte, zandlaagdikte, temperatuur en ondiepe geothermie (OGT) potentie.

  2. Kinetic modeling of petroleum formation in the Maracaibo Basin: Final report, Annex 12

    Energy Technology Data Exchange (ETDEWEB)

    Burnham, A.K.; Braun, R.L.; Sweeney, J.J.; Reynolds, J.G. [Lawrence Livermore National Lab., CA (United States); Vallejos, C.; Talukdar, S. [INTEVEP, Filial de Petroleos de Venezuela, SA, Caracas (Venezuela)

    1992-07-01

    The purpose of this project is to develop and test improved kinetic models of petroleum generation and cracking, pore pressure buildup, and fluid expulsion. The work was performed jointly between Lawrence Livermore National Laboratory and Research Organization of the Venezuelan National Petroleum Company under Annex 12 of an agreement between DOE and the Venezuelan Ministry of Energy and Mines. Laboratory experiments were conducted at both LLNL and INTEVEP to obtain the reaction rate and product composition information needed to develop chemical kinetic models. Experiments at INTEVEP included hydrous pyrolysis and characterization of oils by gas and liquid chromatography. Experiments at LLNL included programmed pyrolysis in open and self-purging reactors, sometimes including on-line gas analysis by tandem mass spectrometry, and characterization of oils by gas chromatography and nuclear magnetic resonance. The PMOD code was used to develop a detailed pyrolysis mechanism from the extensive laboratory data. This mechanism is able to predict yield of bitumen, oil, and gas as a function of time and temperature for such diverse laboratory conditions as hydrous pyrolysis and rapid, programmed, open pyrolysis. PMOD calculations were compared to geologic observations for 22 wells in the Maracaibo basin. When permeability parameters are chosen to match calculated pore pressures with measured present day values, the PMOD calculations indicate that organic maturation reactions contribute a significant fraction of the overpressure during oil generation and early oil cracking. Calculations agreed with observed geochemical maturity parameters of the source rock. 37 refs., 64 figs., 20 tabs.

  3. Annex 34 : task 1 : analysis of biodiesel options : biomass-derived diesel fuels : final report

    Energy Technology Data Exchange (ETDEWEB)

    McGill, R. [Oak Ridge National Laboratory, TN (United States); Aakko-Saksa, P.; Nylund, N.O. [TransEnergy Consulting Ltd., Helsinki (Finland)

    2009-06-15

    Biofuels are derived from woody biomass, non-woody biomass, and organic wastes. The properties of vegetable oil feedstocks can have profound effects on the properties of the finished biodiesel product. However, all biodiesel fuels have beneficial effects on engine emissions. This report discussed the use of biodiesel fuels as replacements for part of the diesel fuel consumed throughout the world. Biodiesel fuels currently being produced from fatty acid esters today were reviewed, as well as some of the more advanced diesel replacement fuels. The report was produced as part of the International Energy Agency (IEA) Advanced Motor Fuels (AMF) Implementing Agreement Annex 34, and was divided into 14 sections: (1) an introduction, (2) biodiesel and biomass, (3) an explanation of biodiesel, (4) properties of finished biodiesel fuels, (5) exhaust emissions of finished biodiesel fuels and blends, (6) life-cycle emissions and energy, (7) international biodiesel (FAME) technical standards and specifications, (8) growth in production and use of biodiesel fuels, (9) biofuel refineries, (10) process technology, (11) development and status of biorefineries, (12) comparison of options to produce biobased diesel fuels, (13) barriers and gaps in knowledge, and (14) references. 113 refs., 37 tabs., 74 figs.

  4. Norwegian participation in the IEA Heat Pump Programme Annex 34 - final report

    Energy Technology Data Exchange (ETDEWEB)

    Nordtvedt, S.R.

    2012-07-01

    This report is the Norwegian team contribution to Task A within the IEA Heat Pumps Programme Annex 34 on #Left Double Quotation Mark#Thermally driven heat pumps#Right Double Quotation Mark#. It aims to give an overview of the thermally driven heat pump (TDHP) and chiller (TDC) market, recent developments in the area of TDHP and TDC, as well as to give an outlook of the progress of this technology. There are no Norwegian manufacturers on the TDHP market. There are only seven existing thermally driven absorption system installations in Norway. Three are district heat driven water/LiBr chillers, one is a steam driven water/LiBr chiller, one water/LiBr heat pump for flue gas condensation in a wood chip heating unit, and two gas driven ammonia-water chillers. The future market for thermally driven heat pumps and chillers in Norway is expected to be in combination of biomass, district heat or waste heat. (Author)

  5. The Annexation of Crimea and Attempts to Justify It in the Context of International Law

    Directory of Open Access Journals (Sweden)

    Leonaitė Erika

    2016-12-01

    Full Text Available The article carries out an assessment of the “reunification of Crimea with Russia” from the point of view of contemporary international law and examines the arguments of Russian legal scholars who try to deny the annexation, i.e. the acquisition of territory by force. The assessment reveals recent changes in the interpretation of the principle of the self-determination of peoples in the Russian official position and legal doctrine, compared to the interpretation of this principle prevalent before the International Court of Justice adopted the Advisory Opinion on Accordance with International Law of the Unilateral Declaration of Independence in Respect of Kosovo. The analysis carried out in the article identifies the arguments and strategies that are employed in seeking to offer an interpretation of international legal norms that corresponds to the political interests of the Russian Federation. The examination reveals how new content is attached to international legal concepts in the works of Russian legal scholars who construct a position favourable to the Russian Federation, and in what way legal arguments are combined with statements and theoretical constructs that are irrelevant from the point of view of contemporary international law, thus deleting the boundaries between legal and non-legal reasoning and producing a pseudo-legal narrative that serves the political interests of Russia.

  6. Medizinbibliotheken 20XX. Zuverlässig, Zukunftsweisend, Unverzichtbar [Medical Libraries 20XX. Reliable, forward-looking, indispensible

    Directory of Open Access Journals (Sweden)

    Bauer, Bruno

    2012-12-01

    Full Text Available [english] The focus of the current issue 3/2012 of GMS Medizin – Bibliothek – Information is the annual conference 2012 of the German Medical Libraries Association in Aachen. The motto of the conference was “Medical Libraries 20XX. Reliable, forward-looking, indispensible”. Focal points of the meeting were innovation management, marketing and new applications and services in medical libraries.The authors in this issue are Bruno Bauer (Open Access Publishing in Austria 2012, Thomas M. Deserno (Literature for interdisciplinary scientists – a requirement engineering approach, Annette Kustos (The new Academic Health Sciences, Nursing and Therapeutics Library of the University of Applied Health Sciences, Bochum, Christoph Poley (On the way to semantic web – with MEDPILOT, Henriette Senst & Jens Erling (New areas of work in the library of the Robert Koch-Institute: Open Access and institutional repository, Matti Stöhr (“I was interested in competitive alternatives to Citavi”: About the workshop “Reference Management at the focal point”, held at the AGMB-Conference 2012, Martin Zangl (Quality management in art libraries – a starting point for patient libraries?! and Ulf Paepcke & Gabriele Menzel (Medical Libraries 20XX. – Reliable, forward-looking, indispensible. Annual Meeting 2012 of the German MLA (AGMB September 24th to 26th in Aachen.[german] Schwerpunktthema der aktuellen Ausgabe 3/2012 von GMS Medizin – Bibliothek – Information ist die Jahrestagung 2012 der Arbeitsgemeinschaft für Medizinisches Bibliothekswesen (AGMB in Aachen; das Motto lautete „Medizinbibliotheken 20XX. Zuverlässig, Zukunftsweisend, Unverzichtbar“. Zentrales Thema der diesjährigen Tagung waren Open Access Publishing, Innovationsmanagement und neue Arbeitsfelder für Medizinbibliotheken.Die Beiträge der Schwerpunktausgabe wurden verfasst von Bruno Bauer (Open Access Publishing in Österreich 2012, Thomas M. Deserno (Literatur f

  7. Blockage of progestin physiology disrupts ovarian differentiation in XX Nile tilapia (Oreochromis niloticus)

    Energy Technology Data Exchange (ETDEWEB)

    Zhou, Linyan; Luo, Feng; Fang, Xuelian [Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing, 400715 (China); Charkraborty, Tapas [South Ehime Fisheries Research Center, Ehime University, Ainan, 798-4206 (Japan); Wu, Limin; Wei, Jing [Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing, 400715 (China); Wang, Deshou, E-mail: wdeshou@swu.edu.cn [Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, School of Life Sciences, Southwest University, Chongqing, 400715 (China)

    2016-04-22

    Previous studies indicated that maturation inducing hormone, 17α, 20β-Dihydroxy-4-pregnen-3-one (DHP), probably through nuclear progestin receptor (Pgr), might be involved in spermatogenesis and oogenesis in fish. To further elucidate DHP actions in teleostean ovarian differentiation, we analyzed the expression of pgr in the ovary of Nile tilapia (Oreochromis niloticus), and performed RU486 (a synthetic Pgr antagonist) treatment in XX fish from 5 days after hatching (dah) to 120dah. Tilapia Pgr was abundantly expressed in the follicular cells surrounding oocytes at 30 and 90dah. Continuous RU486 treatment led to the blockage of oogenesis and masculinization of somatic cells in XX fish. Termination of RU486 treatment and maintenance in normal condition resulted in testicular differentiation, and estrogen compensation in RU486-treated XX fish successfully restored oogenesis. In RU486-treated XX fish, transcript levels of female dominant genes were significantly reduced, while male-biased genes were evidently augmented. Meanwhile, both germ cell mitotic and meiotic markers were substantially reduced. Consistently, estrogen production levels were significantly declined in RU486-treated XX fish. Taken together, our data further proved that DHP, possibly through Pgr, might be essential in the ovarian differentiation and estrogen production in fish. - Highlights: • DHP plays a critical role in early stage oogenesis of XX tilapia. • Blockage of DHP actions by RU486 treatment led to masculinization and/or sex reversal in XX tilapia. • Both DHP and estrogen are indispensable for ovarian differentiation.

  8. Differential lactate and cholesterol synthetic activities in XY and XX Sertoli cells

    Science.gov (United States)

    Shishido, Yurina; Baba, Takashi; Sato, Tetsuya; Shima, Yuichi; Miyabayashi, Kanako; Inoue, Miki; Akiyama, Haruhiko; Kimura, Hiroshi; Kanai, Yoshiakira; Ishihara, Yasuhiro; Haraguchi, Shogo; Miyazaki, Akira; Rozman, Damjana; Yamazaki, Takeshi; Choi, Man-Ho; Ohkawa, Yasuyuki; Suyama, Mikita; Morohashi, Ken-ichirou

    2017-01-01

    SRY, a sex-determining gene, induces testis development in chromosomally female (XX) individuals. However, mouse XX Sertoli cells carrying Sry (XX/Sry Sertoli cells) are incapable of fully supporting germ cell development, even when the karyotype of the germ cells is XY. While it has therefore been assumed that XX/Sry Sertoli cells are not functionally equivalent to XY Sertoli cells, it has remained unclear which specific functions are affected. To elucidate the functional difference, we compared the gene expression of XY and XX/Sry Sertoli cells. Lactate and cholesterol metabolisms, essential for nursing the developing germ cells, were down-regulated in XX/Sry cells, which appears to be caused at least in part by the differential expression of histone modification enzymes SMCX/SMCY (H3K4me3 demethylase) and UTX/UTY (H3K27me3 demethylase) encoded by the sex chromosomes. We suggest that down-regulation of lactate and cholesterol metabolism that may be due to altered epigenetic modification affects the nursing functions of XX/Sry Sertoli cells. PMID:28150810

  9. Fundamentals for remote structural health monitoring of wind turbine blades - a preproject. Annex E. Full-scale test of wind turbine blade, using sensors and NDT

    DEFF Research Database (Denmark)

    Kristensen, O.J.D.; McGugan, Malcolm; Sendrup, P.

    2002-01-01

    to measure damage propagation before the propagation was of visible size. By use of fiber optic micro bend displacement transducers and strain gauges it waspossible to measure minor damage propagation. By use of both ultra sonic, and X-ray NDT-equipment it were possible to determine the size of propagated...

  10. The response of pile-guided floats subjected to dynamic loading : volume II annex.

    Science.gov (United States)

    2014-08-01

    Pile-Guided floats can be a desirable alternative to stationary berthing structures. Both floats and guide piles are subjected to dynamic : forces such as wind generated waves and impacts from vessels. This project developed a rational basis for esti...

  11. World Wind

    Data.gov (United States)

    National Aeronautics and Space Administration — World Wind allows any user to zoom from satellite altitude into any place on Earth, leveraging high resolution LandSat imagery and SRTM elevation data to experience...

  12. 78 FR 29364 - Exelon Corporation, Exelon Wind 1, LLC, Exelon Wind 2, LLC, Exelon Wind 3, LLC, Exelon Wind 4...

    Science.gov (United States)

    2013-05-20

    ...-005, QF07-257-004] Exelon Corporation, Exelon Wind 1, LLC, Exelon Wind 2, LLC, Exelon Wind 3, LLC, Exelon Wind 4, LLC, Exelon Wind 5, LLC, Exelon Wind 6, LLC, Exelon Wind 7, LLC, Exelon Wind 8, LLC, Exelon Wind 9, LLC, Exelon Wind 10, LLC, Exelon Wind 11, LLC, High Plains Wind Power, LLC v. Xcel Energy...

  13. Calm winds

    Science.gov (United States)

    Ólafsson, Haraldur

    2017-04-01

    Knowledge of calm winds is of societal importance in connection with distribution pollution from natural sources (dust, volcanic gases and ash) as well as antropogenic sources. Time series from a multitude of automatic weather stations in Iceland have been explored and the climatology of calmness is established. This climatology underlines the importancec of not only abscence of large scale winds, but more importantly, the presence of surface inversions. Calmness is most frequent in summer, with secondary maxima in autumn and winter. The autumn calmness coincides with a period when frequency of synoptic scale cyclones does not increase, while the frequency of surface inversions increases rapidly. There is a very strong diurnal cycle in frequency of calm winds in the summer. The data indiates strongly that the nocturnal calmness is a result of a surface inversion, not the abscence of sea breeze. The frequency of calm winds is not only low at the coast, but also in the mountains, in spite of higher surface roughness away from the sea. The frequency of calm winds is much greater inside valleys and fjords than anywhere else. There are indications that open water in fjords has limited effect on the frequecy of calm winds along the fjord.

  14. PBT assessment using the revised annex XIII of REACH: a comparison with other regulatory frameworks.

    Science.gov (United States)

    Moermond, Caroline T A; Janssen, Martien P M; de Knecht, Joop A; Montforts, Mark H M M; Peijnenburg, Willie J G M; Zweers, Patrick G P C; Sijm, Dick T H M

    2012-04-01

    There is no uniform Persistent, Bioaccumulative, Toxic (PBT) or very Persistent, very Bioaccumulative (vPvB) assessment of chemicals in Europe, as the various regulatory frameworks use only limited or dissimilar PBT assessments, or none at all. The European REACH Regulation requires a PBT/vPvB assessment for all chemical substances that are produced within or imported into the EU in amounts exceeding 10 tonnes per year, using the criteria as described in REACH Annex XIII. However, not all substances on the EU market need to be screened according to these criteria under REACH. For a number of substances, such as those imported or produced in lower volumes, there is no REACH requirement, and for human and veterinary medicinal products, biocides, plant protection products, and food and feed additives, other EU legislation is in force to regulate their marketing and use. Compounds may also be screened for PBT properties within international agreements, such as the Oslo Paris Convention (OSPAR), the IMO Ballast Water Management Convention, the UNECE POP Protocol, and the UNEP Stockholm Convention on Persistent Organic Pollutants (POPs), which all have their own set of PBT or POP criteria. This study compares the PBT/vPvB assessment under REACH with PBT or POP assessments performed within other regulatory frameworks. Attention is paid to the process of PBT/vPvB/POP identification and which legislative steps can be taken if the PBT/vPvB/POP status is assigned. In addition to the different PBT or POP criteria of the various frameworks, descriptions of these criteria and approaches for application of weight of evidence also vary. Some EU frameworks still refer to the criteria in the former Technical Guidance Documents (TGD) of 2003, which preceded REACH. Although differences between the old TGD criteria and those in the REACH Annex XIII are small, this does cause dissimilarities among the frameworks. The risk management follow-up of a PBT or vPvB identification, which may

  15. The Military Training of Students in Germany in the Early XX century

    National Research Council Canada - National Science Library

    SergeiI. Belentsov; Anastasia V. Fakhrutdinova; Alesia A. Kuznetsova

    2016-01-01

    ... situation.The purpose of the article is a study of the German paramilitary youth associations and organizations of the early XX centuries, their role and place in the military-patriotic education of students...

  16. Discurso de la publicidad riverense a principios del siglo XX

    Directory of Open Access Journals (Sweden)

    Paula Bastón

    2016-12-01

    Full Text Available Como parte del Equipo Multidisciplinario de Estudios de Frontera del CeRP del Norte, en convenio con el Museo del Patrimonio Regional, como temática a ser explorada a partir de documentos se optó por el estudio de la publicidad en la ciudad de Rivera. Este proyecto de investigación se centra en el estudio de la publicidad comercial entre 1914 y 1920. Se está haciendo un seguimiento dentro del período de tiempo en el cual se enmarca la investigación, observando los cambios que presenta, teniendo en cuenta el contexto en el que se encontraba inserta la ciudad de Rivera, el diseño y contenido de la publicidad, y la búsqueda de otras fuentes y herramientas. A través de este estudio, se determinará el impacto de la publicidad en la sociedad riverense de principios del siglo XX, así se estará produciendo un diagnóstico de la sensibilidad de dicho espacio y tiempo a estudiar, y a través de éste se interpretará el espacio de frontera al cual estamos abocados. El interés de este trabajo es proporcionar relevancia a sucesos históricos en la región que hasta ahora permanecen mayormente en el olvido.

  17. Literatura regionalista en Extremadura : primer tercio del siglo XX

    Directory of Open Access Journals (Sweden)

    Francisco Javier Tardío Gastón

    2009-12-01

    Full Text Available Hace aproximadamente dos meses que Javier Cercas visitó el centro donde trabajo para charlar con los estudiantes sobre literatura. A lo largo de su intervención, tras ser preguntado por sus preferencias en cuanto a autores extremeños se refiere, vino a decir, o así lo intuí yo, que en realidad no existe una literatura extremeña per se, «aquella que se escribe en Extremadura o por extremeños» (Sáez, Lama, 2003. Esta reflexión trajo a mi memoria un artículo que leí no hace mucho tiempo y en cuyas líneas se pone en tela de juicio la idea de un dialecto extremeño, sin que ello suponga una falta de interés por el estudio de las distintas hablas que se dan en la ya mencionada región. Generalizando podemos decir que el extremeño no se escribe, y cuando así sucede, reproduce con palabras el plano fonético. Es decir, se intenta escribir como se habla. A lo largo de los primeros compases del siglo XX, autores de la región, entre los que destacan Luis Chamizo y Gabriel y Galán, plasmaron en sus escritos ese dialecto castúo tan particular.

  18. Los archivos colombianos de arquitectura del siglo XX

    Directory of Open Access Journals (Sweden)

    Asociación Pro-Rescate de Archivos de Arquitectura

    2004-05-01

    Full Text Available La preocupación por conservar los archivos de arquitectura del siglo XX en el país es muy reciente. Una ínfima parte de éstos, tanto institucionales como privados, se encuentra a salvo de manera aislada en algunos museos, universidades de Bogotá, el Archivo General de la Nación de Colombia y el recientemente inaugurado Archivo de Bogotá. El desarrollo urbano y arquitectónico del país durante el pasado siglo dejó cuantiosos materiales gráficos y documentos de su diseño y construcción en múltiples archivos públicos y privados, que hoy se encuentran dispersos o en peligro de desaparecer a breve y mediano plazos. Archivos de entidades estatales ya inexistentes o a la fecha en proceso de liquidación. Archivos vulnerables y desconocidos, archivos particulares de oficinas de arquitectos, ingenieros, constructores y firmas de diseño nacionales o extranjeras que trabajaron en distintas regiones de Colombia.

  19. 77 FR 29633 - Alta Wind VII, LLC, Alta Wind IX, LLC, Alta Wind X, LLC, Alta Wind XI, LLC, Alta Wind XII, LLC...

    Science.gov (United States)

    2012-05-18

    ... Wind VII, LLC, Alta Wind IX, LLC, Alta Wind X, LLC, Alta Wind XI, LLC, Alta Wind XII, LLC, Alta Wind XIII, LLC, Alta Wind XIV, LLC, Alta Wind XV, LLC, Alta Windpower Development, LLC, TGP Development... 385.207, Alta Wind VII, LLC, Alta Wind IX, LLC, Alta Wind X, LLC, Alta Wind XI, LLC, Alta Wind XII...

  20. Population pharmacokinetics of ticagrelor and AR-C124910XX in patients with prior myocardial infarction
.

    Science.gov (United States)

    Röshammar, Daniel; Bergstrand, Martin; Andersson, Tomas; Storey, Robert F; Hamrén, Bengt

    2017-05-01

    The population pharmacokinetics of ticagrelor and its active metabolite AR-C124910XX were characterized following ticagrelor 60 mg or 90 mg twice daily oral long-term treatment in 4,426 patients with a history of myocardial infarction. The ticagrelor and AR-C124910XX plasma concentration-time data were described by one-compartment models with first-order absorption or metabolite formation and elimination. Systemic exposure to ticagrelor and AR-C124910XX were stable over time. Ticagrelor apparent clearance (CL/F) was 17 L/h for the 60-mg and 15.4 L/h for the 90-mg dose. The CL/F of AR-C124910XX was 11.1 L/h for the 60-mg and 9.95 L/h for the 90-mg dose. Both ticagrelor and AR-C124910XX CL/F were independently influenced by body weight, sex, age, smoking, and Japanese ethnicity. Female sex and age > 75 years were the only categorical covariates, having more than 20% effect on AR-C124910XX CL/F. Ticagrelor CL/F was 6% higher and 11% lower, whereas AR-C124910XX CL/F was 26% higher and 34% lower for patients weighing 110 and 50 kg, respectively, compared with an 83 kg patient. The small differences in exposure to both ticagrelor and AR-C124910XX between demographic subgroups were in accordance with the consistent efficacy and safety outcomes observed across the population. The results were similar to those observed previously in patients with acute coronary syndromes.
.

  1. Tendencias metodológicas universitarias en los siglos XX y XXI. Estudio comparativo

    OpenAIRE

    Morales Gómez, Gonzalo

    2016-01-01

    This essay reviews the topic about university methodologies of the XX and XXI centuries as pedagogic trends in Western higher Education, which is the theoretical framework of an exploratory research on methodological trends among teachers in a selected sample in the State University of Guayaquil and State University of Milagro, Ecuador, in 2014. It is offered, first of all a panoramic view to the pedagogic characteristics of the XX and XXI centuries; it is further presented the most used curr...

  2. WIND TURBINES FOR WIND POWER INSTALLATIONS

    Directory of Open Access Journals (Sweden)

    Barladean A.S.

    2008-04-01

    Full Text Available The problem of wind turbine choice for wind power stations is examined in this paper. It is shown by comparison of parameters and characteristics of wind turbines, that for existing modes and speeds of wind in territory of Republic of Moldova it is necessary to use multi-blade small speed rotation wind turbines of fan class.

  3. IEA EBC Annex 57 ‘Evaluation of Embodied Energy and CO2eq for Building Construction’

    DEFF Research Database (Denmark)

    Birgisdottir, Harpa; Moncaster, Alice; Houlihan Wiberg, Aoife

    2017-01-01

    The current regulations to reduce energy consumption and greenhouse gas emissions (GHG) from buildings have focused on operational energy consumption. Thus legislation excludes measurement and reduction of the embodied energy and embodied GHG emissions over the building life cycle. Embodied impacts...... are a significant and growing proportion and it is increasingly recognized that the focus on reducing operational energy consumption needs to be accompanied by a parallel focus on reducing embodied impacts. Over the last six years the Annex 57 has addressed this issue, with researchers from 15 countries working...

  4. Wind turbine

    Science.gov (United States)

    Cheney, Jr., Marvin C.

    1982-01-01

    A wind turbine of the type having an airfoil blade (15) mounted on a flexible beam (20) and a pitch governor (55) which selectively, torsionally twists the flexible beam in response to wind turbine speed thereby setting blade pitch, is provided with a limiter (85) which restricts unwanted pitch change at operating speeds due to torsional creep of the flexible beam. The limiter allows twisting of the beam by the governor under excessive wind velocity conditions to orient the blades in stall pitch positions, thereby preventing overspeed operation of the turbine. In the preferred embodiment, the pitch governor comprises a pendulum (65,70) which responds to changing rotor speed by pivotal movement, the limiter comprising a resilient member (90) which engages an end of the pendulum to restrict further movement thereof, and in turn restrict beam creep and unwanted blade pitch misadjustment.

  5. Annex 1: Simulation of the Serso underground heat storage - Calibration using data from two-years measurements; Annexe 1: simulation du stockage de chaleur dans le terrain de l'installation Serso et calibrage sur deux ans de mesure

    Energy Technology Data Exchange (ETDEWEB)

    Pahud, D.

    2006-12-15

    This is the Annex 1 of the annual report 2006 of the Serso project. The basic idea of the Serso project is to defrost a road bridge in winter with heat produced by the bridge in summer by solar radiation absorption and stored in a diffusive underground store. Pipes are imbedded in the bridge surface material and connected to a set of underground borehole heat exchangers ('geothermal probes'). A heat transfer fluid is circulated by a pump. The store is loaded in summer and discharged in winter. In the present Annex the computer code developed to simulate the underground heat store is validated and tuned on the basis of a two-years series of field measurements. The agreement between predicted and measured values is good. A limitation of the computer model is that it cannot simulate only a part of the borehole heat exchangers, a feature that were implemented in the pilot store, to enable discharging the peripheral heat exchangers and leave the central ones untouched. The authors investigated the relevance of such a feature and found out that it does not significantly improve the store efficiency. As it is an additional hardware complication they recommend to ignore such a feature in future projects.

  6. Remote Sensing Wind and Wind Shear System.

    Science.gov (United States)

    Contents: Remote sensing of wind shear and the theory and development of acoustic doppler; Wind studies; A comparison of methods for the remote detection of winds in the airport environment; Acoustic doppler system development; System calibration; Airport operational tests.

  7. EEG II. Annexes and regulations. Comment; EEG II. Anlagen und Verordnungen. Kommentar

    Energy Technology Data Exchange (ETDEWEB)

    Frenz, Walter (ed.) [Rheinisch-Westfaelische Technische Hochschule Aachen (Germany). Berg-, Umwelt- und Europarecht

    2016-11-01

    Berlin commentary EEG II: safe through the paraphernalia Like hardly any other law, the Renewable Energies Act (EEG) is subject to constant changes. With the 2014 amendment, the EEG was fundamentally redesigned. This makes the application of the complex rules a challenge even for experts. In addition, the sub-rules contain important statements in the form of numerous annexes and regulations - with the EEG amendment 2014, this has become even more detailed. In it, many calculations are only defined in detail and the legal provisions of the EEG are made more definite and supplemented. The Berlin commentary EEG II accompanies you expertly through this complex matter. Experts explain the widely divergent rules in practice. If necessary for a better understanding, the provisions of the EEG 2014 are also explained. Consistently designed for your practice As a buyer of the work, you also benefit from access to an extensive, regularly updated database. This contains important legal energy regulations of the EU, the federal government and the countries. Even earlier legal positions remain searchable and can be conveniently compared with current versions. So you can see at a glance what has changed. [German] Berliner Kommentar EEG II: sicher durch den Paragrafengeflecht Wie kaum ein anderes Gesetz ist das Erneuerbare-Energien-Gesetz (EEG) staendigen Aenderungen unterworfen. Mit der Novelle 2014 wurde das EEG grundlegend umgestaltet. Dies macht die Anwendung der komplexen Regeln selbst fuer Experten zu einer Herausforderung. Zudem enthaelt auch das untergesetzliche Regelwerk wichtige Aussagen in Form zahlreicher Anlagen und Verordnungen - mit der EEG-Novelle 2014 ist dieses noch ausfuehrlicher geworden. In ihm werden viele Berechnungen erst naeher festgelegt und gesetzliche Bestimmungen des EEG entscheidend konkretisiert und ergaenzt. Der Berliner Kommentar EEG II begleitet Sie fachkundig durch diese komplexe Materie. Experten erlaeutern Ihnen praxisorientiert die

  8. Road design standards of medians, shoulders and verges. Annex VII to SWOV-report `Safety effects of road design standards', R-94-7 (see C 2838 (IRRD 866221).

    NARCIS (Netherlands)

    Schoon, C.C.

    1995-01-01

    This volume is one of the annexes to a main report on safety effects of road design standards which was compiled by SWOV in collaboration with other European partners, in 1993-1994. For the covering abstract of the report or the report itself, see C 2838. This annex compares the road design

  9. Methods for investigating the relationship between accidents, road user behaviour and road design standards. Annex III to SWOV-report `Safety effects of road design standards', R-94-7 (see C 2838 (IRRD 866221).

    NARCIS (Netherlands)

    Maycock, G. & Summersgill, I.

    1995-01-01

    This volume is one of the annexes to a main report on safety effects of road design standards which was compiled by SWOV in collaboration with other European partners, in 1993-1994. For the covering abstract of the report or the report itself, see C 2838. This annex summarises the alternative

  10. National road design standards : an overview of geometric road design standards of the Member States of the European Union. Annex V to SWOV-report `Safety effects of road design standards', R-94-7 (see C 2838 (IRRD 866221).

    NARCIS (Netherlands)

    Ruyters, H.G.J.C.M.

    1995-01-01

    This volume is one of the annexes to a main report on safety effects of road design standards which was compiled by SWOV in collaboration with other European partners, in 1993-1994. For the covering abstract of the report or the report itself, see C 2838. In this annex, the correct names of the road

  11. Bicycle facilities at intersections : a review of the guidelines in Denmark, The Netherlands, United Kingdom, and Germany. Annex XI to SWOV-report `Safety effects of road design standards', R-94-7 (see C 2838 (IRRD 866221).

    NARCIS (Netherlands)

    Hagenzieker, M.P.

    1995-01-01

    This volume is one of the annexes to a main report on safety effects of road design standards which was compiled by SWOV in collaboration with other European partners, in 1993-1994. For the covering abstract of the report or the report itself, see C 2838. This annex provides an overview of standards

  12. Wind Energy Japan

    Energy Technology Data Exchange (ETDEWEB)

    Komatsubara, Kazuyo [Embassy of the Kingdom of the Netherlands, Tokyo (Japan)

    2012-06-15

    An overview is given of wind energy in Japan: Background; Wind Energy in Japan; Japanese Wind Energy Industry; Government Supports; Useful Links; Major Japanese Companies; Profiles of Major Japanese Companies; Major Wind Energy Projects in Japan.

  13. Environmentally Sustainable Solution for a Gas Turbine Upgrade Clean Development Mechanism Application in a Non-Annex I Country

    Energy Technology Data Exchange (ETDEWEB)

    Becker, Volker; Wolf, Markus; Fahrer, Roland; Brandett, Joergen; Hess, Stephen

    2007-07-01

    ALSTOM Power Service delivers solutions not only to recover degradation, but also to increase the performance and efficiency of the installed global power generation fleet. Such performance improvements also reduce greenhouse gases and particularly CO2 emissions. The mechanisms of the Kyoto Protocol promote the implementation of CO2-reducing state-of-the-art technologies to developing and emerging economies. ALSTOM, having installed the world's largest power generation fleet, wants to make use of the Clean Development Mechanism (CDM) to make technology implementation economically attractive for non-Annex I countries. This paper gives an overview and outlook for environmental mechanisms and technologies, the value proposition and some experience in pioneering a CDM project with a gas turbine upgrade in a non-Annex I country. It is shown that in a crediting period of 10 years 3 million tons of CO2eq can be saved on a mid-sized power plant. Assuming a price of euro 8 per ton of CO2eq for Certified Emission Reductions this would lead to an annual revenue of 20% of the initial implementation cost, representing a very attractive business case for the plant operator. The described CDM application can be a decisive factor for proceeding with a fuel switch or an upgrade. The revenues earned from emission trading enables the plant operator to make the investment to reduce Kyoto-relevant emissions.

  14. The Caenorhabditis Elegans Gene Sdc-2 Controls Sex Determination and Dosage Compensation in Xx Animals

    Science.gov (United States)

    Nusbaum, C.; Meyer, B. J.

    1989-01-01

    We have identified a new X-linked gene, sdc-2, that controls the hermaphrodite (XX) modes of both sex determination and X chromosome dosage compensation in Caenorhabditis elegans. Mutations in sdc-2 cause phenotypes that appear to result from a shift of both the sex determination and dosage compensation processes in XX animals to the XO modes of expression. Twenty-eight independent sdc-2 mutations have no apparent effect in XO animals, but cause two distinct phenotypes in XX animals: masculinization, reflecting a defect in sex determination, and lethality or dumpiness, reflecting a disruption in dosage compensation. The dosage compensation defect can be demonstrated directly by showing that sdc-2 mutations cause elevated levels of several X-linked transcripts in XX but not XO animals. While the masculinization is blocked by mutations in sex determining genes required for male development (her-1 and fem-3), the lethality, dumpiness and overexpression of X-linked genes are not, indicating that the effect of sdc-2 mutations on sex determination and dosage compensation are ultimately implemented by two independent pathways. We propose a model in which sdc-2 is involved in the coordinate control of both sex determination and dosage compensation in XX animals and acts in the regulatory hierarchy at a step prior to the divergence of the two pathways. PMID:2759421

  15. XX male sex reversal with genital abnormalities associated with a de novo SOX3 gene duplication.

    Science.gov (United States)

    Moalem, Sharon; Babul-Hirji, Riyana; Stavropolous, Dmitri J; Wherrett, Diane; Bägli, Darius J; Thomas, Paul; Chitayat, David

    2012-07-01

    Differentiation of the bipotential gonad into testis is initiated by the Y chromosome-linked gene SRY (Sex-determining Region Y) through upregulation of its autosomal direct target gene SOX9 (Sry-related HMG box-containing gene 9). Sequence and chromosome homology studies have shown that SRY most probably evolved from SOX3, which in humans is located at Xq27.1. Mutations causing SOX3 loss-of-function do not affect the sex determination in mice or humans. However, transgenic mouse studies have shown that ectopic expression of Sox3 in the bipotential gonad results in upregulation of Sox9, resulting in testicular induction and XX male sex reversal. However, the mechanism by which these rearrangements cause sex reversal and the frequency with which they are associated with disorders of sex development remains unclear. Rearrangements of the SOX3 locus were identified recently in three cases of human XX male sex reversal. We report on a case of XX male sex reversal associated with a novel de novo duplication of the SOX3 gene. These data provide additional evidence that SOX3 gain-of-function in the XX bipotential gonad causes XX male sex reversal and further support the hypothesis that SOX3 is the evolutionary antecedent of SRY. Copyright © 2012 Wiley Periodicals, Inc.

  16. ESTUDIO BIBLIOMÉTRICO DE EDUCACIÓN XX1

    Directory of Open Access Journals (Sweden)

    Almudena Gómez-García

    2012-01-01

    Full Text Available Los estudios bibliométricos han adquirido hoy en día gran importancia en el ámbito científico. El objetivo de este estudio es realizar un análisis bibliométrico de la Revista Educación XX1 de los últimos diez años, recientemente incorporada en la Web of Science donde se pretende conocer la situación actual de la misma. Para ello fueron analizados un total de 89 artículos, consultados en la versión electrónica de la revista, la base de datos INRECS y el sistema de información científica Redalyc, atendiendo a una serie de indicadores bibliométricos entre los que se encuentran: índice de autoría, nacionalidad de los autores, universidad de procedencia, idioma de publicación, número de referencias por año en cada artículo y número de descargas por artículo, entre otros. En los resultados de esta investigación se puede observar como el idioma predominante es el castellano, mayoritariamente los autores son de nacionalidad española, los artículos publicados en 2007 fueron los que más citas recibieron, existe un gran porcentaje de referencias de artículos publicados antes del 2000 y no existe relación entre los artículos más citados y los más descargados. Para finalizar, se proponen una serie de orientaciones que la revista puede considerar en relación a conseguir una mayor difusión, reconocimiento como revista internacional, la actualización de los años de publicación de las referencias, la filiación de los autores, así como las áreas temáticas de educación sobre las que publicar.

  17. Serbian Astronomers in Science Citation Index in the XX Century

    Science.gov (United States)

    Dimitrijevic, Milan S.

    "Alpha". In 1996 Zrenjanin too got an organization of amateur astronomers, Astronomical Society "Milutin Milankovic". Moreover, in the book is given a selected bibliography of references concerning the history of astronomy among Serbs in XX century.

  18. Wind conditions for wind turbine design

    Energy Technology Data Exchange (ETDEWEB)

    Maribo Pedersen, B.

    1999-04-01

    Delegates from Europe and USA attended the meeting and discussed general aspects of wind conditions for wind turbine design. The subjects and the presented papers covered a very broad range of aspects of wind conditions and related influence on the wind turbine. (EHS)

  19. Guest editorial special section on HVDC systems for large offshore wind power plants

    OpenAIRE

    Gomis Bellmunt, Oriol; Liang, Jun; Van Hertem, Dirk; Barnes, Mike; Cutululis, Nicolaos Antonio

    2016-01-01

    © 20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The papers in this special section focus on HVDC systems for large offshore wind power plants. These plants ha...

  20. The Model to Assess the Implementation of Technical Conditions Defined in Annex IV of Marpol Convention 73/78: The Case of the Baltic Sea Port of Klaipeda

    Directory of Open Access Journals (Sweden)

    Jarzemskis Andrius

    2016-12-01

    Full Text Available Baltic Marine Environment Protection Commission members seeking to implement MARPOL 73/78 Annex IV amendments which recognize the Baltic Sea as special are, in which discharge of uncommitted sewage from passenger ships is forbidden, must ensure that ports are equipped with adequate reception facilities. To ensure implementation of amendments of Annex IV in port of Klaipeda, the analysis framework model was defined by authors. The model evaluates the readiness of the port to changes brought by the amendments of MARPOL Annex IV. The scientific problem comes with perception of adequacy. Resolution MEPC.200(62 amending MARPOL 73/78 Annex IV states, that port reception facilities must be adequate to the needs of passenger ships using them without causing undue delay. Concept of adequacy is not defined, therefore other guidelines explaining adequacy were used: EU directive 2000/59/EC and IMO resolution MEPC.83(44 Guidelines for ensuring adequacy of port reception facilities. Based on these sources, criteria that must be met to ensure adequacy were identified and tested in article: 1 reception facilities meet needs of ships normally using them; 2 discharge of sewage does to cause undue delay; 3 reception facilities does not provide disincentive to use them; 4 facilities are accessible; 5 facilities contribute to the improvement of the marine environment.

  1. Preparing Teachers for Diversity: The Role of Initial Teacher Education. Annex 1 to the Final Report to DG Education, Youth, Sport and Culture of the European Commission

    Science.gov (United States)

    European Commission, 2017

    2017-01-01

    This document, "Annex 1 to the Final Report to DG Education, Youth, Sport and Culture of the European Commission" is intended as a companion piece to European Commission report "Preparing Teachers for Diversity: The Role of Initial Teacher Education. Final Report". It contains country fiches which are overviews of available…

  2. Wind Technologies & Evolving Opportunities (Presentation)

    Energy Technology Data Exchange (ETDEWEB)

    Robichaud, R.

    2014-07-01

    This presentation covers opportunities for wind technology; wind energy market trends; an overview of the National Wind Technology Center near Boulder, Colorado; wind energy price and cost trends; wind turbine technology improvements; and wind resource characterization improvements.

  3. High temperature increases the masculinization rate of the all-female (XX rainbow trout "Mal" population.

    Directory of Open Access Journals (Sweden)

    Karina Valdivia

    Full Text Available Salmonids are generally considered to have a robust genetic sex determination system with a simple male heterogamety (XX/XY. However, spontaneous masculinization of XX females has been found in a rainbow trout population of gynogenetic doubled haploid individuals. The analysis of this masculinization phenotype transmission supported the hypothesis of the involvement of a recessive mutation (termed mal. As temperature effect on sex differentiation has been reported in some salmonid species, in this study we investigated in detail the potential implication of temperature on masculinization in this XX mal-carrying population. Seven families issued from XX mal-carrying parents were exposed from the time of hatching to different rearing water temperatures ((8, 12 and 18°C, and the resulting sex-ratios were confirmed by histological analysis of both gonads. Our results demonstrate that masculinization rates are strongly increased (up to nearly two fold at the highest temperature treatment (18°C. Interestingly, we also found clear differences between temperatures on the masculinization of the left versus the right gonads with the right gonad consistently more often masculinized than the left one at lower temperatures (8 and 12°C. However, the masculinization rate is also strongly dependent on the genetic background of the XX mal-carrying families. Thus, masculinization in XX mal-carrying rainbow trout is potentially triggered by an interaction between the temperature treatment and a complex genetic background potentially involving some part of the genetic sex differentiation regulatory cascade along with some minor sex-influencing loci. These results indicate that despite its rather strict genetic sex determinism system, rainbow trout sex differentiation can be modulated by temperature, as described in many other fish species.

  4. Increased high-density lipoprotein cholesterol levels in mice with XX versus XY sex chromosomes.

    Science.gov (United States)

    Link, Jenny C; Chen, Xuqi; Prien, Christopher; Borja, Mark S; Hammerson, Bradley; Oda, Michael N; Arnold, Arthur P; Reue, Karen

    2015-08-01

    The molecular mechanisms underlying sex differences in dyslipidemia are poorly understood. We aimed to distinguish genetic and hormonal regulators of sex differences in plasma lipid levels. We assessed the role of gonadal hormones and sex chromosome complement on lipid levels using the four core genotypes mouse model (XX females, XX males, XY females, and XY males). In gonadally intact mice fed a chow diet, lipid levels were influenced by both male-female gonadal sex and XX-XY chromosome complement. Gonadectomy of adult mice revealed that the male-female differences are dependent on acute effects of gonadal hormones. In both intact and gonadectomized animals, XX mice had higher HDL cholesterol (HDL-C) levels than XY mice, regardless of male-female sex. Feeding a cholesterol-enriched diet produced distinct patterns of sex differences in lipid levels compared with a chow diet, revealing the interaction of gonadal and chromosomal sex with diet. Notably, under all dietary and gonadal conditions, HDL-C levels were higher in mice with 2 X chromosomes compared with mice with an X and Y chromosome. By generating mice with XX, XY, and XXY chromosome complements, we determined that the presence of 2 X chromosomes, and not the absence of the Y chromosome, influences HDL-C concentration. We demonstrate that having 2 X chromosomes versus an X and Y chromosome complement drives sex differences in HDL-C. It is conceivable that increased expression of genes escaping X-inactivation in XX mice regulates downstream processes to establish sexual dimorphism in plasma lipid levels. © 2015 American Heart Association, Inc.

  5. Familia y maternalismo en América Latina: siglo XX.

    OpenAIRE

    Luna, Lola

    2009-01-01

    El concepto de familia es difícil de definir en Colombia, pero la situación no mejora si hablamos de América Latina en conjunto, dados los profundos y complejos procesos vividos en la sociedad a lo largo del siglo XX, que impactaron y transformaron las estructuras familiares que se venían tejiendo desde la época prehispánica, colonial y republicana. Por ende la autora nos traza una línea teórica para ahondar en aspectos generales sobre la familia a lo largo del siglo XX y como se han suscitad...

  6. ENFOQUES TEÓRICOS Y DEFINICIONES DE LA TECNOLOGÍA EDUCATIVA EN EL SIGLO XX (THEORETICAL APPROACHES AND EXPLANATION OF EDUCATIONAL TECHNOLOGIES IN THE XX CENTURY

    Directory of Open Access Journals (Sweden)

    Salas Madriz Flora

    2009-08-01

    Full Text Available Resumen:La tecnología educativa y los enfoques teóricos asociados al quehacer de los procesos de enseñanza y aprendizaje durante el siglo XX impactaron en la práctica educativa en las organizaciones de este tipo, la formación de los docentes, la selección, uso y evaluación de medios permitió valorar los aportes al sistema educativo sin descuidar las concepciones de las teorías de aprendizaje y la contribución de la didáctica al mejoramiento de la calidad. Este trabajo expone los principales enfoques teóricos y definiciones de la tecnología educativa en el siglo XX, su objetivo principal es presentar la e volución temática y las aplicaciones de la tecnología educativa y su relación con las diversas teorías de aprendizaje y la incorporación de los medios a la enseñanza.Abstract:The technology and the theoretical approaches associated to the task of the educational and learning processes during the XX century impacted educative practices in the educative organiz ations, the formation of the education professionals, the selection, media use and evaluation allowed to value the contributions to the educative system without neglecting the conceptions of the theories of learning and the contribution of Didactics to the improvement of education quality. This work exposes the main theoretical approaches and definitions of the educative technology in the XX century; its primary target is to present/display the thematic evolution and the applications of the educative technology and their relation with the diverse theories of learning and the incorporation of media to education.

  7. EMPLOY: Step-by-step guidelines for calculating employment effects of renewable energy investments [including annex 2

    Energy Technology Data Exchange (ETDEWEB)

    Breitschopf, Barbara [Fraunhofer Inst. for Systems and Innovation Research (Germany); Nathani, Carsten [Ruetter and Partner Socioeconomic Research and Consulting (Switzerland); Resch, Gustav [Vienna Univ. of Technology, Energy Economics Group (EEG) (Austria

    2012-07-15

    The EMPLOY project aimed to help achieve the IEA-RETD’s objective to 'empower policy makers and energy market actors through the provision of information, tools and resources' by underlining the economic and industrial impacts of renewable energy technology deployment and providing reliable methodological approaches for employment – similar to those available for the incumbent energy technologies. The EMPLOY project resulted in a comprehensive set of methodological guidelines for estimating the employment impacts of renewable energy deployment in a coherent, uniform and systematic way. Guidelines were prepared for four different methodological approaches. In the introduction section of the guidelines policy makers are guided in their choice for the most suited approach, depending on the policy questions to be answered, the data availability and budget. The guidelines were tested for the IEA-RETD member state countries and Tunisia. The results of these calculations are included in the annex to the guidelines.

  8. Supporting technology for enhanced oil recovery: Sixth amendment and extension to Annex IV enhanced oil recovery thermal processes

    Energy Technology Data Exchange (ETDEWEB)

    Reid, T.B. (USDOE Bartlesville Project Office, OK (United States)); Rivas, O. (INTEVEP, Filial de Petroleos de Venezuela, SA, Caracas (Venezuela))

    1991-10-01

    This report contains the results of efforts under the six tasks of the Sixth Amendment and Extension of Annex 4, Enhanced Oil Recovery Thermal Processes of the Venezuela/USA Agreement. The report is presented in sections (for each of the 6 tasks) and each section contains one or more reports prepared by various individuals or groups describing the results of efforts under each of the tasks. A statement of each task, taken from the agreement, is presented on the first page of each section. The tasks are numbered 44 through 49. Tasks are: DOE-SUPRI-laboratory research on steam foam, CAT-SCAN, and in-situ combustion; INTEVEP-laboratory research and field projects on steam foam; DOE-NIPER-laboratory research and field projects light oil steam flooding; INTEVEP-laboratory research and field studies on wellbore heat losses; DOE-LLNL-laboratory research and field projects on electromagnetic induction tomography; INTEVEP-laoboratory research on mechanistic studies.

  9. Wind Power Meteorology

    DEFF Research Database (Denmark)

    Lundtang Petersen, Erik; Mortensen, Niels Gylling; Landberg, Lars

    Wind power meteorology has evolved as an applied science, firmly founded on boundary-layer meteorology, but with strong links to climatology and geography. It concerns itself with three main areas: siting of wind turbines, regional wind resource assessment, and short-term prediction of the wind...... resource. The history, status and perspectives of wind power meteorology are presented, with emphasis on physical considerations and on its practical application. Following a global view of the wind resource, the elements of boundary layer meteorology which are most important for wind energy are reviewed......: wind profiles and shear, turbulence and gust, and extreme winds. The data used in wind power meteorology stem mainly from three sources: onsite wind measurements, the synoptic networks, and the re-analysis projects. Wind climate analysis, wind resource estimation and siting further require a detailed...

  10. Chimerism 47,XY,+21/46,XX in a female infant with anencephaly and other congenital defects

    Directory of Open Access Journals (Sweden)

    Danielle R. Lucon

    2006-01-01

    Full Text Available Chimerism is rare in humans and is usually discovered accidentally when a 46,XX and 46,XY karyotype is found in a same individual. We describe a malformed female infant with neural tube defect (NTD and a 47,XY,+21[5]/46,XX[30] karyotype.

  11. 78 FR 29131 - Solar Star California XX, LLC; Supplemental Notice that Initial Market-Based Rate Filing Includes...

    Science.gov (United States)

    2013-05-17

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF ENERGY Federal Energy Regulatory Commission Solar Star California XX, LLC; Supplemental Notice that Initial Market-Based... above-referenced proceeding, of Solar Star California XX, LLC's application for market-based rate...

  12. Incidence, prevalence, diagnostic delay, morbidity, mortality and socioeconomic status in males with 46,XX disorders of sex development

    DEFF Research Database (Denmark)

    Berglund, A.; Johannsen, T. H.; Stochholm, K.

    2017-01-01

    STUDY QUESTION What is the epidemiology and trajectory of health and socioeconomic status in males with 46,XX disorders of sex development (DSD)? SUMMARY ANSWER 46,XX DSD males had an increased overall morbidity compared to male background population controls, and the socioeconomic status...

  13. 49 CFR 1242.54 - Other and casualties and insurance (accounts XX-27-99 and 50-27-00).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Other and casualties and insurance (accounts XX-27-99 and 50-27-00). 1242.54 Section 1242.54 Transportation Other Regulations Relating to Transportation... RAILROADS 1 Operating Expenses-Equipment § 1242.54 Other and casualties and insurance (accounts XX-27-99 and...

  14. Prospecting for Wind

    Science.gov (United States)

    Swapp, Andy; Schreuders, Paul; Reeve, Edward

    2011-01-01

    Many people use wind to help meet their needs. Over the years, people have been able to harness or capture the wind in many different ways. More recently, people have seen the rebirth of electricity-generating wind turbines. Thus, the age-old argument about technology being either good or bad can also be applied to the wind. The wind can be a…

  15. Careers in Wind Energy

    Science.gov (United States)

    Liming, Drew; Hamilton, James

    2011-01-01

    As a common form of renewable energy, wind power is generating more than just electricity. It is increasingly generating jobs for workers in many different occupations. Many workers are employed on wind farms: areas where groups of wind turbines produce electricity from wind power. Wind farms are frequently located in the midwestern, western, and…

  16. 75 FR 23263 - Alta Wind I, LLC; Alta Wind II, LLC; Alta Wind III, LLC; Alta Wind IV, LLC; Alta Wind V, LLC...

    Science.gov (United States)

    2010-05-03

    ... Energy Regulatory Commission Alta Wind I, LLC; Alta Wind II, LLC; Alta Wind III, LLC; Alta Wind IV, LLC; Alta Wind V, LLC; Alta Wind VI, LLC; Alta Wind VII, LLC; Alta Wind VIII, LLC; Alta Windpower... Federal Energy Regulatory Commission (Commission), 18 CFR 285.207 (2009), Alta Wind I, LLC, Alta Wind II...

  17. Theoretical aspects of neutron interaction: part 1 - interaction programme for ibm 7094, part 2 - the shielding sub-programme, part 3 - listing of the programme; Aspects theoriques de l'interaction neutronique: annexe 1 - programme interaction pour ibm 7094 - annexe 2 - sous programme ombre - annexe 3 - liste du programme

    Energy Technology Data Exchange (ETDEWEB)

    Moret-Bailly, J.; Penet, F.; Spinelli, J.C. [Commissariat a l' Energie Atomique, Saclay (France). Centre d' Etudes Nucleaires

    1965-07-01

    Part I. Methods are described for obtaining the equations for a system of elements containing fissile matter: a) by using the balance after fission, b) by using the balance before fission, c) by the evolution equations. All these methods lead to equivalent matrices whose greatest proper value is the multiplication coefficient for the system K. It is shown how to calculate K. From this it is possible to deduce the rules which generalize the criterion for the bounded solid angle. An IBM 7094 programme applies this theory to the calculation of the installations made up of a maximum of 500 elements. It calculates the effective values of K, the leaks, the solid angles and then K. Part. II. This sub-programme calculates the shielding between the elements. (authors) [French] Sommaire, - Annexe I. On expose les methodes permettant d'obtenir les equations d'un systeme d'elements contenant de la matiere fissile: a) par le bilan apres fission, b) par le bilan avant fission, c) par les equations d'evolution. Toutes ces methodes conduisent a des matrices equivalentes dont la plus grande valeur propre est le coefficient de multiplication de l'ensemble K. On montre comment K se calcule. On en deduit des regles qui generalisent le critere de l'angle solide limite. Un programme pour IBM 7094 applique cette theorie au calcul des installations comportant au maximum 500 elements. II calcule les k effectifs, les fuites, les angles solides puis K. Annexe II. Ce sous-programme calcule les ombres entre les elements. (auteurs)

  18. Comparison of growth-related traits and gene expression profiles between the offspring of neomale (XX) and normal male (XY) rainbow trout.

    Science.gov (United States)

    Kocmarek, Andrea L; Ferguson, Moira M; Danzmann, Roy G

    2015-04-01

    All-female lines of fish are created by crossing sex reversed (XX genotype) males with normal females. All-female lines avoid the deleterious phenotypic effects that are typical of precocious maturation in males. To determine whether all-female and mixed sex populations of rainbow trout (Oncorhynchus mykiss) differ in performance, we compared the growth and gene expression profiles in progeny groups produced by crossing a XX male and a XY male to the same five females. Body weight and length were measured in the resulting all-female (XX) and mixed sex (XX/XY) offspring groups. Microarray experiments with liver and white muscle were used to determine if the gene expression profiles of large and small XX offspring differ from those in large and small XX/XY offspring. We detected no significant differences in body length and weight between offspring groups but XX offspring were significantly less variable in the value of these traits. A large number of upregulated genes were shared between the large XX and large XX/XY offspring; the small XX and small XX/XY offspring also shared similar expression profiles. No GO category differences were seen in the liver or between the large XX and large XX/XY offspring in the muscle. The greatest differences between the small XX and small XX/XY offspring were in the genes assigned to the "small molecule metabolic process" and "cellular metabolic process" GO level 3 categories. Similarly, genes within these categories as well as the category "macromolecule metabolic process" were more highly expressed in small compared to large XX fish.

  19. Tower Winds - Cape Kennedy

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Digitized data taken from Wind Gust Charts. Record contains hourly wind directions and speed with a peak wind recorded at the end of each day. Sorted by: station,...

  20. OES-IA Annex IV: Environmental Effects of Marine and Hydrokinetic Devices - Report from the Experts’ Workshop September 27th – 28th 2010 Clontarf Castle, Dublin Ireland

    Energy Technology Data Exchange (ETDEWEB)

    Copping, Andrea E.; O' Toole, Michael J.

    2010-12-02

    An experts' workshop was convened in Dublin Ireland September 27th – 28th 2010 in support of IEA Ocean Energy Systems Implementing Agreement Annex IV. PNNL was responsible for organizing the content of the workshop, overseeing the contractors (Irish Marine Institute) hosting the event, presenting material on Annex IV and materials applicable to the workshop intent. PNNL is also overseeing a contractor (Wave Energy Center/University of Plymouth – WEC/UP) in the collection and analysis of the Annex IV data. Fifty-eight experts from 8 countries attended the workshop by invitation, spending two days discussing the needs of Annex IV. Presentations by DOE (background on Annex IV), PNNL (process for developing Annex IV; presentation of the draft database for PNNL project, plans for incorporating Annex IV data), WEC/UP on the environmental effect matrix, and four MHK developers (two from the UK, one from Ireland and one from Sweden; each discussing their own projects and lessons learned for measuring and mitigating environmental effects, as well as interactions with consenting [permitting] processes) helped provide background. The workshop participants worked part of the time in the large group and most of the time in four smaller breakout groups. Participants engaged in the process and provided a wealth of examples of MHK environmental work, particularly in the European nations. They provided practical and actionable advice on the following: • Developing the Annex IV database, with specific uses and audiences • Strong consensus that we should collect detailed metadata on available data sets, rather than attempting to draw in copious datasets. The participants felt there would then be an opportunity to then ask for specific set of data as needed, with specific uses and ownership of the data specified. This is particularly important as many data collected, particularly in Europe but also in Canada, are proprietary; developers were not comfortable with the idea

  1. 46 XX karyotype during male fertility evaluation; case series and literature review.

    Science.gov (United States)

    Majzoub, Ahmad; Arafa, Mohamed; Starks, Christopher; Elbardisi, Haitham; Al Said, Sami; Sabanegh, Edmund

    2017-01-01

    Forty-six XX disorder of sex development is an uncommon medical condition observed at times during the evaluation of a man's fertility. The following is a case series and literature review of phenotypically normal men diagnosed with this karyotype. Our goal is to comprehend the patients' clinical presentation as well as their laboratory results aiming to explore options available for their management. A formal literature review through PubMed and MEDLINE databases was performed using "46 XX man" as a word search. A total of 55 patients, including those conveyed in this article were diagnosed with a 46 XX karyotype during their fertility evaluation. The patients' mean age ± s.d. was 34 ± 10 years and their mean height ± s.d. was 166 ± 6.5 cm. Overall, they presented with hypergonadotropic hypogonadism. Sexual dysfunction, reduced hair distribution, and gynecomastia were reported in 20% (4/20), 25.8% (8/31), and 42% (13/31) of the patients, respectively. The SRY gene was detected in 36 (83.7%) and was absent in the remaining seven (16.3%) patients. We found that a multidisciplinary approach to management is preferred in 46 XX patients. Screening for remnants of the mullerian ducts and for malignant transformation in dysgenetic gonads is imperative. Hypogonadism should be addressed, while fertility options are in vitro fertilization with donor sperm or adoption.

  2. Apreciaciones sobre la evolución de “Las Talaveras”. Siglos XVI al XX

    Directory of Open Access Journals (Sweden)

    Portela Hernando, D.

    1999-08-01

    Full Text Available In this exposition we go over the Talavera Pottery from the XVI to the XX centuries, analyzing the main facts which marked its developement, and providing some of the keys neccesary to understand the importance and the influence its production had in other centers. We emphasize on items related to the XVI and XVII centuries, origin and decadence, giving some data about its chronology and series, based on the latest discoveries. In relation to the XVIII, XIX and XX centuries, we only expose the changes wich took place and the consequences they brought to the potteries of Talavera.

    En esta ponencia se hace un recorrido por la historia de la “Cerámica de Talavera” de los siglos XVI al XX, analizando los principales hechos que marcan su desarrollo y aportando algunas de las claves necesarias para comprender su importancia y la influencia que van a ejercer sus producciones en otros centros. Se hace especial hincapié en las cuestiones relativas a los siglos XVI y XVII, origen y decadencia, aportando algunos datos nuevos sobre su cronología y sus series, en base a los últimos descubrimientos. En relación a los siglos XVIII, XIX y XX, solamente se exponen los cambios que se producen y las consecuencias que para las lozas talaveranas acarrearon.

  3. BVRI Light Curves and Period Analysis of the Beta Lyrae System XX Leonis

    Science.gov (United States)

    Zasche, P.; Svoboda, P.; Wolf, M.

    2007-08-01

    The contact eclipsing binary system XX Leonis (p = 0.97 days, Sp A9) has been analysed using the PHOEBE programme, based on the Wilson 14) K, the inclination of the orbit is i = (84.83 and the photometric mass ratio q = (0.40 0.05) yr, an amplitude of A = (0.036 0.01) M.

  4. True hermaphroditism in a horned goat with 60XX/60XY chimerism.

    OpenAIRE

    Batista, M.; González, F.; Cabrera, F; Palomino, E; Castellano, E.; Calero, P.; Gracia, A.

    2000-01-01

    Anatomical, behavioral, histological, endocrinological, and cytogenetic characteristics were determined in a horned intersex goat. Histology of the gonads confirmed that the goat was a true hermaphrodite. Cytogenetic analysis showed that it was a chimera (60XX/60XY). Use of laparoscopy allowed determination of characteristics of the internal gonads.

  5. Comprehensive performance comparison of airfoil fin PCHEs with NACA 00XX series airfoil

    Energy Technology Data Exchange (ETDEWEB)

    Chen, Fei, E-mail: chenfei@iet.cn [Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190 (China); Heating Technology Research and Development Center, Beijing District Heating Group, Beijing 100028 (China); Zhang, Lishen, E-mail: lishenzhang@sina.com [Heating Technology Research and Development Center, Beijing District Heating Group, Beijing 100028 (China); Huai, Xiulan, E-mail: hxl@iet.cn [Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190 (China); Li, Jufeng, E-mail: lijufeng.net@163.com [Nuclear and Radiation Safety Center, Ministry of Environmental Protection, Beijing 100082 (China); Zhang, Hang, E-mail: zhanghang@iet.cn [Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190 (China); Liu, Zhigang, E-mail: zgliu9322@163.com [Energy Research Institute of Shandong Academy of Sciences, Jinan, Shandong 250014 (China)

    2017-04-15

    Highlights: • Pressure drop of NACA 0020 airfoil fin PCHE reduces strikingly in comparison with the zigzag PCHE. • Pressure drop of NACA 00XX airfoil fin PCHE decreases as airfoil thickness increases. • Heat transfer performance of NACA 00XX airfoil fin PCHE increases as airfoil thickness rises. • Comprehensive performance of NACA 00XX airfoil fin PCHE degrades as airfoil thickness increases. - Abstract: Printed circuit heat exchanger (PCHE) can be used in supercritical carbon dioxide (S-CO{sub 2}) Brayton cycle. The present study compares NACA 0020 airfoil fin PCHE with conventional zigzag PCHE by numerical analysis. Pressure drop of the former has a striking reduction while maintaining excellent heat transfer performance. Comparison on four NACA 00XX series airfoil fin PCHEs is performed to investigate the influence of airfoil profile on flow and heat transfer performance. With a fixed vertical pitch, heat transfer performance of NACA series airfoil fin PCHE increases as airfoil thickness increases. However, comprehensive performance, in which both flow and heat transfer are taken into account, degrades with increasing airfoil thickness. Among four NACA airfoil fin PCHEs presented in this paper, NACA 0010 airfoil fin PCHE demonstrates the best comprehensive performance.

  6. What history tells us XX. Felix Haurowitz (1896–1987)–A difficult ...

    Indian Academy of Sciences (India)

    2010-02-10

    Feb 10, 2010 ... Home; Journals; Journal of Biosciences; Volume 35; Issue 1. What history tells us XX. Felix Haurowitz (1896–1987) – A difficult journey in the political and scientific upheavals of the 20th century. Michel Morange. Series Volume 35 Issue 1 March 2010 pp 17-20 ...

  7. XX sajandi klassika sarjad kogu maailmas menukad / Priit Hõbemägi

    Index Scriptorium Estoniae

    Hõbemägi, Priit, 1957-

    2005-01-01

    15. okt. ilmub Eesti Päevalehe XX saj. klassikasarja avaraamat Umberto Eco "Roosi nimi", teise raamatuna ilmub V. Nabokovi "Lolita". Vt. vastukaja: Sergei Stadnikov. Humanitaaria klassika jätkuvast avaldamisest, Eesti Päevaleht : Arkaadia, 14. okt., lk. 18

  8. Wind Farm Power Forecasting

    OpenAIRE

    Haouas, Nabiha; Bertrand, Pierre R.

    2013-01-01

    Forecasting annual wind power production is useful for the energy industry. Until recently, attention has only been paid to the mean annual wind power energy and statistical uncertainties on this forecasting. Recently, Bensoussan et al. (2012) have pointed that the annual wind power produced by one wind turbine is a Gaussian random variable under a reasonable set of assumptions. Moreover, they can derive both mean and quantiles of annual wind power produced by one wind ...

  9. Modelling Wind for Wind Farm Layout Optimization Using Joint Distribution of Wind Speed and Wind Direction

    OpenAIRE

    Ju Feng; Wen Zhong Shen

    2015-01-01

    Reliable wind modelling is of crucial importance for wind farm development. The common practice of using sector-wise Weibull distributions has been found inappropriate for wind farm layout optimization. In this study, we propose a simple and easily implementable method to construct joint distributions of wind speed and wind direction, which is based on the parameters of sector-wise Weibull distributions and interpolations between direction sectors. It is applied to the wind measurement data a...

  10. Superconducting Wind Turbine Generators

    OpenAIRE

    Yunying Pan; Danhzen Gu

    2016-01-01

    Wind energy is well known as a renewable energy because its clean and less polluted characteristic, which is the foundation of development modern wind electricity. To find more efficient wind turbine is the focus of scientists around the world. Compared from conventional wind turbines, superconducting wind turbine generators have advantages at zero resistance, smaller size and lighter weight. Superconducting wind turbine will inevitably become the main trends in this area. This paper intends ...

  11. Wind Power Today: Federal Wind Program Highlights

    Energy Technology Data Exchange (ETDEWEB)

    2005-04-01

    Wind Power Today is an annual publication that provides an overview of the wind research conducted under the U.S. Department of Energy's Wind and Hydropower Technologies Program. The purpose of Wind Power Today is to show how DOE supports wind turbine research and deployment in hopes of furthering the advancement of wind technologies that produce clean, low-cost, reliable energy. Content objectives include: educate readers about the advantages and potential for widespread deployment of wind energy; explain the program's objectives and goals; describe the program's accomplishments in research and application; examine the barriers to widespread deployment; describe the benefits of continued research and development; facilitate technology transfer; and attract cooperative wind energy projects with industry.

  12. Wind flow through shrouded wind turbines

    Science.gov (United States)

    2017-03-01

    THROUGH SHROUDED WIND TURBINES by Jonathan P. Scheuermann March 2017 Thesis Advisor: Muguru Chandrasekhara Second Reader: Kevin Jones THIS......CODE 13. ABSTRACT (maximum 200 words) Wall pressure distributions and cross section flow distribution on wind turbine shroud designs, determined

  13. Advanced structural wind engineering

    CERN Document Server

    Kareem, Ahsan

    2013-01-01

    This book serves as a textbook for advanced courses as it introduces state-of-the-art information and the latest research results on diverse problems in the structural wind engineering field. The topics include wind climates, design wind speed estimation, bluff body aerodynamics and applications, wind-induced building responses, wind, gust factor approach, wind loads on components and cladding, debris impacts, wind loading codes and standards, computational tools and computational fluid dynamics techniques, habitability to building vibrations, damping in buildings, and suppression of wind-induced vibrations. Graduate students and expert engineers will find the book especially interesting and relevant to their research and work.

  14. Wind energy bibliography

    Energy Technology Data Exchange (ETDEWEB)

    None

    1995-05-01

    This bibliography is designed to help the reader search for information on wind energy. The bibliography is intended to help several audiences, including engineers and scientists who may be unfamiliar with a particular aspect of wind energy, university researchers who are interested in this field, manufacturers who want to learn more about specific wind topics, and librarians who provide information to their clients. Topics covered range from the history of wind energy use to advanced wind turbine design. References for wind energy economics, the wind energy resource, and environmental and institutional issues related to wind energy are also included.

  15. Subtractive and differential hybridization molecular analyses of Ceratitis capitata XX/XY versus XX embryos to search for male-specific early transcribed genes.

    Science.gov (United States)

    Salvemini, Marco; D'Amato, Rocco; Petrella, Valeria; Ippolito, Domenica; Ventre, Giuseppe; Zhang, Ying; Saccone, Giuseppe

    2014-01-01

    The agricultural pest Ceratitis capitata, also known as the Mediterranean fruit fly or Medfly, is a fruit crop pest of very high economic relevance in different continents. The strategy to separate Ceratitis males from females (sexing) in mass rearing facilities is a useful step before the sterilization and release of male-only flies in Sterile Insect Technique control programs (SIT). The identification of genes having early embryonic male-specific expression, including Y-linked genes, such as the Maleness factor, could help to design novel and improved methods of sexing in combination with transgenesis, aiming to confer conditional female-specific lethality or female-to-male sexual reversal. We used a combination of Suppression Subtractive Hybrydization (SSH), Mirror Orientation Selection (MOS) anddifferential screening hybridization (DSH) techniques to approach the problem of isolating corresponding mRNAs expressed in XX/XY embryos versus XX-only embryos during a narrow developmental window (8-10 hours after egg laying, AEL ). Here we describe a novel strategy we have conceived to obtain relatively large amounts of XX-only embryos staged at 8-10 h AEL and so to extract few micrograms of polyA+ required to apply the complex technical procedure. The combination of these 3 techniques led to the identification of a Y-linked putative gene, CcGm2, sharing high sequence identity to a paralogous gene, CcGm1, localized either on an autosome or on the X chromosome. We propose that CcGm2 is a first interesting putative Y-linked gene which could play a role in sex determination. The function exterted by this gene should be investigated by novel genetic tools, such as CRISPR-CAS9, which will permit to target only the Y-linked paralogue, avoiding to interfere with the autosomal or X-linked paralogue function.

  16. Subtractive and differential hybridization molecular analyses of Ceratitis capitata XX/XY versus XX embryos to search for male-specific early transcribed genes

    Science.gov (United States)

    2014-01-01

    The agricultural pest Ceratitis capitata, also known as the Mediterranean fruit fly or Medfly, is a fruit crop pest of very high economic relevance in different continents. The strategy to separate Ceratitis males from females (sexing) in mass rearing facilities is a useful step before the sterilization and release of male-only flies in Sterile Insect Technique control programs (SIT). The identification of genes having early embryonic male-specific expression, including Y-linked genes, such as the Maleness factor, could help to design novel and improved methods of sexing in combination with transgenesis, aiming to confer conditional female-specific lethality or female-to-male sexual reversal. We used a combination of Suppression Subtractive Hybrydization (SSH), Mirror Orientation Selection (MOS) and differential screening hybridization (DSH) techniques to approach the problem of isolating corresponding mRNAs expressed in XX/XY embryos versus XX-only embryos during a narrow developmental window (8-10 hours after egg laying, AEL ). Here we describe a novel strategy we have conceived to obtain relatively large amounts of XX-only embryos staged at 8-10 h AEL and so to extract few micrograms of polyA+ required to apply the complex technical procedure. The combination of these 3 techniques led to the identification of a Y-linked putative gene, CcGm2, sharing high sequence identity to a paralogous gene, CcGm1, localized either on an autosome or on the X chromosome. We propose that CcGm2 is a first interesting putative Y-linked gene which could play a role in sex determination. The function exterted by this gene should be investigated by novel genetic tools, such as CRISPR-CAS9, which will permit to target only the Y-linked paralogue, avoiding to interfere with the autosomal or X-linked paralogue function. PMID:25472628

  17. Comparison of the ICAO Annex 16 Chapter 10 and Chapter 6 noise certification procedures on the basis of flight noise measurements of ten light propeller-driven aeroplanes

    Science.gov (United States)

    Dahlen, Helmut; Heller, Hanno

    1990-11-01

    Noise certification procedures were developed by the International Civil Aviation Organization (ICAO) for light propeller driven aeroplanes (with a take off mass not exceeding 9000 kg). The established procedure following ICAO Annex 16 chapter 6 requires the aeroplane to conduct four level flyers at a height of 300 m above a microphone with a maximum continuous power setting. This procedure is now replaced by a new procedure documented in Annex 16 as chapter 10 where the aircraft must conduct six take offs with maximum continuous power and fly over a microphone positioned 2.5 km past the point of brake release. In both procedures, the maximum A weighted flyover noise level is to be compared to an (aircraft mass dependent) noise limit; however, both procedures have different noise limits. A study was conducted where 10 propeller driven aeroplanes were measured according to both chapter 6 and chapter 10 in order to evaluate the relative practicability and noise stringency of both procedures.

  18. El descenso irreversible de la mortalidad en el siglo XX en la provincia de Tarragona. Analisis demografico y epidemiologico.

    OpenAIRE

    Gonzalvo Cirac, Margarita

    2011-01-01

    La investigación presenta los cambios demográficos y epidemiológicos en la provincia de Tarragona durante el siglo XX y hasta 2010. Una tendencia descendente donde las enfermedades infecciosas de los niños abundosas a principios de siglo XX son sustituidos por enfermedades circulatorias, cáncer y respiratorias en edades adultas hacia 1950 y a finales de siglo XX la mortalidad se centra en edades ancianas, especialmente en mujeres, y donde aparecen unas puntas de muerte por enfermedades infecc...

  19. Emergency wind erosion control

    Science.gov (United States)

    February through May is the critical time for wind erosion in Kansas, but wind erosion can happen any time when high winds occur on smooth, wide fields with low vegetation and poor soil structure. The most effective wind erosion control is to ensure a protective cover of residue or growing crop thro...

  20. THE BESIEGED FORTRESS: MAKING SENSE OF RUSSIA’S ANNEXATION OF CRIMEA AND WHAT IT MEANS TO U.S. POLICY MAKERS

    Science.gov (United States)

    2017-02-13

    Russia-de- ukrainizing -population-of-crimea-occupation-census-shows. 39 Philipp Casula, “The Road to Crimea: Putin’s Foreign Policy Between Reason of...Abstract President Vladimir Putin’s decision to invade Ukraine and annex the Crimean Peninsula in February, 2014 was influenced by numerous...relevant factors that influenced Putin’s decision, it is necessary to understand the colorful history of the Russia- Ukraine -Crimea relationship, and

  1. Modelling Wind for Wind Farm Layout Optimization Using Joint Distribution of Wind Speed and Wind Direction

    DEFF Research Database (Denmark)

    Feng, Ju; Shen, Wen Zhong

    2015-01-01

    quite well in terms of the coefficient of determination R-2. Then, the best of these joint distributions is used in the layout optimization of the Horns Rev 1 wind farm and the choice of bin sizes for wind speed and wind direction is also investigated. It is found that the choice of bin size for wind......Reliable wind modelling is of crucial importance for wind farm development. The common practice of using sector-wise Weibull distributions has been found inappropriate for wind farm layout optimization. In this study, we propose a simple and easily implementable method to construct joint...... distributions of wind speed and wind direction, which is based on the parameters of sector-wise Weibull distributions and interpolations between direction sectors. It is applied to the wind measurement data at Horns Rev and three different joint distributions are obtained, which all fit the measurement data...

  2. Joint Egypt/United States report on Egypt/United States cooperative energy assessment. Volume 5 of 5 Vols. Annexes 11--13

    Energy Technology Data Exchange (ETDEWEB)

    1979-04-01

    The principal features of the existing environment of Egypt are characterized and the main problem areas identified in Annex 11. The environmental, health, and associated social issues that must be considered in choosing from among the options available to Egypt for meeting projected future energy needs are identified. The environmental impacts associated with these options are discussed and observations are made of alternte ways to minimize environmental insults. Annex 12, Manpower, analyzes the energy-related manpower situation of Egypt. Manpower education and training resources of Egypt; the existing manpower base of Egypt; manpower needs of the energy strategies; a comparison of manpower needs and existing manpower base; and the underlying economic and social factors that will make Egypt energy facility development very difficult to plan and execute are discussed. Annex 13 summarizes a preliminary analysis of the capital, labor, materials, and equipment resources required to implement alternative Egyptian energy futures and documents the assessment of several Egyptian energy development programs selected by the DOE. It egins with brief overviews of the ESPM model and data base. It then describes the method by which the system was adapted to Egyptian conditions and the results of this modification. The comparison Case energy development program is described, followed by a summary of ESPM-derived facility and resource requirements. Finally, the sensitivity of these results to several alternative energy strategies is illustrated.

  3. Wind power. [electricity generation

    Science.gov (United States)

    Savino, J. M.

    1975-01-01

    A historical background on windmill use, the nature of wind, wind conversion system technology and requirements, the economics of wind power and comparisons with alternative systems, data needs, technology development needs, and an implementation plan for wind energy are presented. Considerable progress took place during the 1950's. Most of the modern windmills feature a wind turbine electricity generator located directly at the top of their rotor towers.

  4. Wind Power Utilization Guide.

    Science.gov (United States)

    1981-09-01

    wind causes the bladed -rotor turbine to rotate at low speed about the hori- zontal drive shaft that is always parallel to the force of the wind . The...current meter. Another form of a vertical axis wind turbine is a vertically straight- bladed wind turbine with cyclically pitched blades (see Figure 4.15...The expres- sions for the rotor torque for a Darrieus machine can be found in Reference 4.16. The Darrieus wind turbine

  5. An Icelandic wind atlas

    Science.gov (United States)

    Nawri, Nikolai; Nína Petersen, Gudrun; Bjornsson, Halldór; Arason, Þórður; Jónasson, Kristján

    2013-04-01

    While Iceland has ample wind, its use for energy production has been limited. Electricity in Iceland is generated from renewable hydro- and geothermal source and adding wind energy has not be considered practical or even necessary. However, adding wind into the energy mix is becoming a more viable options as opportunities for new hydro or geothermal power installation become limited. In order to obtain an estimate of the wind energy potential of Iceland a wind atlas has been developed as a part of the Nordic project "Improved Forecast of Wind, Waves and Icing" (IceWind). The atlas is based on mesoscale model runs produced with the Weather Research and Forecasting (WRF) Model and high-resolution regional analyses obtained through the Wind Atlas Analysis and Application Program (WAsP). The wind atlas shows that the wind energy potential is considerable. The regions with the strongest average wind are nevertheless impractical for wind farms, due to distance from road infrastructure and power grid as well as harsh winter climate. However, even in easily accessible regions wind energy potential in Iceland, as measured by annual average power density, is among the highest in Western Europe. There is a strong seasonal cycle, with wintertime power densities throughout the island being at least a factor of two higher than during summer. Calculations show that a modest wind farm of ten medium size turbines would produce more energy throughout the year than a small hydro power plants making wind energy a viable additional option.

  6. Derivation of internationally comparable reduction targets for the Annex-I countries of the climate convention. Final report

    Energy Technology Data Exchange (ETDEWEB)

    Walz, R.; Landwehr, M.; Mannsbart, W.; Schoen, M.

    1997-05-01

    Since the start of international negotiations on the climate in 1991, the Federal Republic of Germany has supported the process of agreeing on binding limits especially for CO{sub 2} emissions among the industrialised countries under international law, after corresponding commitments had already been agreed upon for CFC emissions. The formation of the Adhoc group Berlin Mandate (AGBM) launched a process of negotiation which aimed to lead to the adoption of a protocol with, among other things, quantified limits and reduction targets for the Annex-I countries; this objective was reconfirmed at the Second Conference of Member States in July '96 in Geneva. The work carried out is documented in this final report. Chapter 2 deals with the fundamental principles of target differentiation. Justifications and possible correction factors are presented and methodological approaches to target differentiation developed. In the subsequent chapters, example calculations are made for different groups of countries (EU, OECD, OECD with selected Eastern European countries). Three different methods of target differentiation are employed: correction factors without sectoral differentiation (Chapter 3), correction factors with sectoral differentiation (Chapter 4) and a division into reduction clusters (Chapter 5). A summary of the results and the conclusions to be drawn can be found in Chapter 6 of this final report. The data collected during the study and the individual results of the example calculations are shown in the Appendices. (orig.)

  7. An XXX male resulting from paternal X-Y interchange and maternal X-X nondisjunction.

    Science.gov (United States)

    Annerén, G; Andersson, M; Page, D C; Brown, L G; Berg, M; Läckgren, G; Gustavson, K H; de la Chapelle, A

    1987-01-01

    A 2-year-old boy was found to have a 47,XXX karyotype. Restriction-fragment-length-polymorphism analysis showed that, of his three X chromosomes, one is of paternal and two are of maternal origin. The results of Y-DNA hybridization were reminiscent of those in XX males in two respects. First, hybridization to Southern transfers revealed the presence in this XXX male of sequences derived from the Y-chromosomal short arm. Second, in situ hybridization showed that this Y DNA was located on the tip of the X-chromosomal short arm. We conclude that this XXX male resulted from the coincidence of X-X nondisjunction during maternal meiosis and aberrant X-Y interchange either during or prior to paternal meiosis. Images Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 PMID:2889356

  8. Case of 46,XX/47,XY, +21 chimerism in a newborn infant with ambiguous genitalia

    Energy Technology Data Exchange (ETDEWEB)

    Sawai, Tomoko; Yoshimoto, Masaaki; Kinoshita, Ei-ichi; Baba, Tsuneyoshi; Matsumoto, Tadashi; Tsuji, Yoshiro, Niikawa, Norio [Nagasaki Univ. School of Medicine, Nagasaki (Japan); Fukuda, Shinpei [Ohmura Municipal Hospital, Ohmura (Japan); Harada, Naoki [Kyushu Medical Science, Nagasaki (Japan)

    1994-02-15

    The authors describe the whole-body chimerism in a newborn infant with small phallus, pseudo-vaginal perineal hypospadias, and a bifid scrotum containing gonads. The human testis determining factor gene (SRY) was detected by PCR amplification. GTG-banding chromosome analysis in peripheral blood lymphocytes and cultured fibroblasts derived from right cubital skin showed a 46,XX/47,XY, +21 karyotype. Their ratios in each cell line were 294:5 and 178:7, respectively. QFQ-banding chromosome analysis documented 3 heteromorphic satellites on trisomic chromsomes 21 in the 47,XY,+21 cell line and a homozygous satellite pattern in the 46,XX cell line. Heteromorphic patterns of chromsomes 4, 13, 14, and 22 were also different between the two cell lines. To our knowledge, such disomy/trisomy chimeras have not been described previously. 10 refs., 3 figs.

  9. [Molecular analysis of the Y chromosome in XX sex-reversed patients].

    Science.gov (United States)

    Chernykh, V B; Chukhrova, A L; Vasserman, N N; Il'ina, E V; Karmanov, M E; Fedotov, V P; Poliakov, A V

    2008-02-01

    Molecular genetic analysis was performed for 26 phenotypically male patients lacking the Y chromosome in the karyotype. The sex-determining region Y (SRY) gene was found in 77% of the patients. PCR analysis of Y-specific loci in the 17 SRY-positive patients revealed Yp fragments varying in size in 16 cases and cryptic mosaicism (or chimerism) for the Y chromosome in one case. The frequencies of class I, II, and III (Yp+)XX sex reversals were 18.75, 25.25, and 56%, respectively. All of the class III (Yp+)XX sex-reversed patients had a 3.5-Mb paracentric inversion flanked by inverted repeats 3 (IR3) on the short arm of the Y chromosome.

  10. Agonia peruana no século XX: Mariátegui e Flores Galindo

    Directory of Open Access Journals (Sweden)

    Marcus Vinícius Furtado da Silva Oliveira

    2016-02-01

    Full Text Available O presente artigo procura analisar a presença de traumas e ressentimentos na sociedade peruana do século XX a partir da leitura dos ensaios de José Carlos Mariátegui e Alberto Flores Galindo. Em nossas análises, pretendemos demonstrar como a conquista e a colonização se configuram como experiências traumáticas para os autores, que propõe modos de gestão dos ressentimentos advindos desses traumas. Abstract The presente work aims to analyze the presence of traumas and resentments in Peruvian society on the XX century parting from the lectures of the essays written by José Carlos Mariátegui and Alberto Flores Galindo. In this analyzes, we pretend to demonstrate how conquest and colonization are comprehended as traumatic experiences by the authors, that proposes ways of handling the resentments originated by these traumas.

  11. París en el siglo XX según Julio Verne

    OpenAIRE

    Diego, Rosa de

    1995-01-01

    L'objet de cet article est l'analyse du roman de Jules Verne "Paris au XX siècle", écrit en 1863 et inédit jusqu'a 1994. Il s'agit d'un roman d'imagination scientifique parce qu'il décrit et anticipe, avec une exactitude surprenante, comment sera Paris pendant la deuxieme moitié du XX siècle, sous un point de vue urbanistique, technologique, économique et social. Jules Verne apparait également comme un écrivain philosophe, avec une vision péssimiste du progrès de la civilisation et de la soli...

  12. A fiber-coupled 9xx module with tap water cooling

    Science.gov (United States)

    Schleuning, D.; Anthon, D.; Chryssis, A.; Ryu, G.; Liu, G.; Winhold, H.; Fan, L.; Xu, Z.; Tanbun-Ek, T.; Lehkonen, S.; Acklin, B.

    2016-03-01

    A novel, 9XX nm fiber-coupled module using arrays of highly reliable laser diode bars has been developed. The module is capable of multi-kW output power in a beam parameter product of 80 mm-mrad. The module incorporates a hard-soldered, isolated stack package compatible with tap-water cooling. Using extensive, accelerated multi-cell life-testing, with more than ten million device hours of test, we have demonstrated a MTTF for emitters of >500,000 hrs. In addition we have qualified the module in hard-pulse on-off cycling and stringent environmental tests. Finally we have demonstrated promising results for a next generation 9xx nm chip design currently in applications and qualification testing

  13. Proceso de institutionalization de la higiene: estado, salubridad e higienismo en Colombia en la primera mitad del siglo XX

    National Research Council Canada - National Science Library

    Gutierrez, Maria-Teresa

    2010-01-01

    Este articulo pretende entender los procesos mediante los cuales en Colombia, en la primera mitad del siglo XX, las elites nacionales hicieron grandes esfuerzos por institucionalizar la higiene como...

  14. Resenha Temática: Uma vida, uma experiência, um depoimento do século XX

    Directory of Open Access Journals (Sweden)

    Wellington dos Santos Figueiredo

    2006-01-01

    Full Text Available The present text comments the of the self biography English historian Eric Hobsbawm. Using itself of its science, history, the author tells to the experiences lived during century XX.

  15. Differentiation of Siberian Miners’ Salaries in Late XIX – Early XX Centuries

    Directory of Open Access Journals (Sweden)

    Vasiliy P. Zinovyev

    2014-06-01

    Full Text Available The work considers seasonal variations and differentiation of Siberian miners’ salaries in late XIX – early XX centuries, proves that seasonal variations of salaries depended on the excess demand on labor in summer and the contraction of demand in winter, detects that salary differentiated, depending on workers’ qualification, sex, age, nationality, industry, location of an enterprise. Such differences in Siberian miners’ salaries were typical for early industrial period of the development of the society.

  16. DESPRECIADOS Y DESECHADOS. ITINERARIO DE LA CANUTOFOBIA EN CHILE EN LA PRIMERA MITAD DEL SIGLO XX

    Directory of Open Access Journals (Sweden)

    Miguel Ángel Mansilla

    2007-12-01

    Full Text Available Este artículo analiza testimonios y relatos publicados en las Revistas Fuego de Pentecostés (RFP sobre la discriminación e intolerancia religiosa que vivieron los pentecostales chilenos en la primera mitad del siglo XX. Se describen las formas y los espacios en que se materializaron dichas actitudes y prejuicios explicitadas en distintas metáforas ignominiosas como canutos y locos, sufridos principalmente en los templos pentecostales, predicaciones callejeras y el trabajo.

  17. Spanish economy XIX & XX century : does the past explain the present?

    OpenAIRE

    Gil Pérez, Carlos

    2012-01-01

    This thesis is an economic trip to the Spain of the XIX and XX century. We will analyze how the industrial revolution was in Spain, how it developed during these important centuries, and always taking in account Europe. We will compare the different economic sectors between all the European countries and its evolution during those centuries. It finally will give as a picture of how the past influences in our nowadays economic situation. After this analysis will get into an important answer to...

  18. Discordant sex in monozygotic XXY/XX twins: a case report.

    Science.gov (United States)

    Tachon, G; Lefort, G; Puechberty, J; Schneider, A; Jeandel, C; Boulot, P; Prodhomme, O; Meyer, P; Taviaux, S; Touitou, I; Pellestor, F; Geneviève, D; Gatinois, V

    2014-12-01

    We report a case of discordant phenotypic sex in monozygotic twins mosaic 47,XXY/46,XX: monozygotic heterokaryotypic twins. The twins presented with cognitive and comprehension delay, behavioural and language disorders, all symptoms frequently reported in Klinefelter syndrome. Molecular zygosity analysis with several markers confirmed that the twins are in effect monozygotic (MZ). Array comparative genomic hybridization found no evidence for the implication of copy number variation in the phenotypes. Ultrasound scans of the reproductive organs revealed no abnormalities. Endocrine tests showed a low testosterone level in Twin 1 (male phenotype) and a low gonadotrophin level in Twin 2 (female phenotype) which, combined with the results from ultrasound examination, provided useful information for potentially predicting the future fertility potential of the twins. Blood karyotypes revealed the presence of a normal 46,XX cell line and an aneuploïd 47,XXY cell line in both patients. Examination of the chromosome constitutions of various tissues such as blood, buccal smear and urinary sediment not surprisingly showed different proportions for the 46,XX and 47,XXY cell lines, which most likely explains the discordant phenotypic sex and mild Klinefelter features. The most plausible underlying biological mechanism is a post-zygotic loss of the Y chromosome in an initially 47,XXY zygote. This would result in an embryo with both 46,XX and 47,XXY cells lines which could subsequently divide into two monozygotic embryos through a twinning process. The two cell lines would then be distributed differently between tissues which could result in phenotypic discordances in the twins. These observations emphasize the importance of regular paediatric evaluations to determine the optimal timing for fertility preservation measures and to detect new Klinefelter features which could appear throughout childhood in the two subjects. © The Author 2014. Published by Oxford University Press on

  19. DARI METOBU HINGGA MEKAMBO: PERTUMBUHAN PEMUKIMAN KOTA KOLAKA PADA ABAD XX

    Directory of Open Access Journals (Sweden)

    Basrin Melamba

    2013-01-01

    Full Text Available This paper describes the growth of Kolaka city in Bone in XX century. In early XX century, Kolaka became the capital of onderafdeeling Kolaka since 1911. In 1912 indirectly the influence of this policy was the development and repair of city facilities in the form of port medium, warehouse, office of toll and duty, and road network in Kolaka. Those settlement growths in Kolaka affected the economic activity and commerce. The settlement and physical region got much better especially after Dutch government settled the resident settlement with the settlement model following the centripetal roadway pattern with the village (kampung pattern (o’kambo. The resident settlement pattern also followed the coastline of Mekongga and Bone Bay. Exploiting the nickel mine yielded the urban symptom in the center of area of nickel mining. Key words: growth, settlement, Kolaka city  Makalah ini menjelaskan tentang pertumbuhan Kota Kolaka di Bone pada abad XX. Pada awal abad XX, Kolaka menjadi ibukota daerah setingkat kabupaten (onderafdeeling Kolaka sejak tahun 1911. Pada tahun 1912 secara tidak langsung pengaruh dari kebijakan ini adalah adanya pengembangan dan perbaikan fasilitas kota dalam bentuk sarana pelabuhan, gudang, kantor tol dan pajak, serta jaringan jalan di Kolaka. Pertumbuhan pemukiman di Kolaka tersebut mempengaruhi kegiatan ekonomi dan perdagangan. Pemukiman dan fisik wilayah menjadi jauh lebih baik terutama setelah Pemerintah Belanda menyelesaikan pemukiman penduduk dengan model pemukiman yang mengikuti pola jalan sentripetal dengan pola kampung (o'kambo. Pola pemukiman penduduk juga mengikuti garis pantai Teluk Mekongga dan Bone. Memanfaatkan tambang nikel juga menghasilkan gejala urban di tengah area pertambangan nikel.Kata kunci: pertumbuhan, pemukiman, kota Kolaka

  20. XX/XY system of sex determination in the geophilomorph centipede Strigamia maritima

    Czech Academy of Sciences Publication Activity Database

    Green, J. E.; Dalíková, Martina; Sahara, K.; Marec, František; Akam, M.

    2016-01-01

    Roč. 11, č. 2 (2016), č. článku e0150292. E-ISSN 1932-6203 R&D Projects: GA AV ČR IAA600960925; GA ČR(CZ) GA14-22765S Institutional support: RVO:60077344 Keywords : sex determination * Strigamia maritima * XX/XY system Subject RIV: EB - Genetics ; Molecular Biology Impact factor: 2.806, year: 2016 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0150292

  1. Extreme wind estimate for Hornsea wind farm

    DEFF Research Database (Denmark)

    Larsén, Xiaoli Guo

    The purpose of this study is to provide estimation of the 50-year winds of 10 min and 1-s gust value at hub height of 100 m, as well as the design parameter shear exponent for the Hornsea offshore wind farm. The turbulence intensity required for estimating the gust value is estimated using two...... approaches. One is through the measurements from the wind Doppler lidar, WindCube, which implies serious uncertainty, and the other one is through similarity theory for the atmospheric surface layer where the hub height is likely to belong to during strong storms. The turbulence intensity for storm wind...... strength is taken as 0.1. The shear exponents at several heights were calculated from the measurements. The values at 100 m are less than the limit given by IEC standard for all sectors. The 50-year winds have been calculated from various global reanalysis and analysis products as well as mesoscale models...

  2. The identification of a spontaneous 47, XX, +21/46, XY chimeric fetus with male genitalia

    Directory of Open Access Journals (Sweden)

    Lee Kuei-Fang

    2012-09-01

    Full Text Available Abstract Background Approximately 30 sex-chromosome discordant chimera cases have been reported to date, of which only four cases carried trisomy 21. Here, we present an additional case, an aborted fetus with a karyotype of 47,XX, +21/46,XY. Case presentation Autopsy demonstrated that this fetus was normally developed and had male genitalia. Major characteristics of Down syndrome were not observed except an enlarged gap between the first and second toes. Karyotyping of tissues cultured from the fetus revealed the same chimeric chromosomal composition detected in the amniotic fluid but with a different ratio of [47,XX,+21] to [46,XY]. Further short tandem repeat analysis indicated a double paternal contribution and single maternal contribution to the fetus, with the additional chromosome 21 in the [47,XX,+21] cell lineage originating from the paternal side. Conclusion We thus propose that this chimeric fetus was formed via the dispermic fertilization of a parthenogenetic ovum with one (Y sperm and one (X,+21 sperm.

  3. Long-distance entanglement and quantum teleportation in XX spin chains

    Science.gov (United States)

    Campos Venuti, L.; Giampaolo, S. M.; Illuminati, F.; Zanardi, P.

    2007-11-01

    Isotropic XX models of one-dimensional spin-1/2 chains are investigated with the aim to elucidate the formal structure and the physical properties that allow these systems to act as channels for long-distance, high-fidelity quantum teleportation. We introduce two types of models: (i) open, dimerized XX chains, and (ii) open XX chains with small end bonds. For both models we obtain the exact expressions for the end-to-end correlations and the scaling of the energy gap with the length of the chain. We determine the end-to-end concurrence and show that model (i) supports true long-distance entanglement at zero temperature, while model (ii) supports “quasi-long-distance” entanglement that slowly falls off with the size of the chain. Due to the different scalings of the gaps, respectively exponential for model (i) and algebraic in model (ii), we demonstrate that the latter allows for efficient qubit teleportation with high fidelity in sufficiently long chains even at moderately low temperatures.

  4. Sox9 duplications are a relevant cause of Sry-negative XX sex reversal dogs.

    Science.gov (United States)

    Rossi, Elena; Radi, Orietta; De Lorenzi, Lisa; Vetro, Annalisa; Groppetti, Debora; Bigliardi, Enrico; Luvoni, Gaia Cecilia; Rota, Ada; Camerino, Giovanna; Zuffardi, Orsetta; Parma, Pietro

    2014-01-01

    Sexual development in mammals is based on a complicated and delicate network of genes and hormones that have to collaborate in a precise manner. The dark side of this pathway is represented by pathological conditions, wherein sexual development does not occur properly either in the XX and the XY background. Among them a conundrum is represented by the XX individuals with at least a partial testis differentiation even in absence of SRY. This particular condition is present in various mammals including the dog. Seven dogs characterized by XX karyotype, absence of SRY gene, and testicular tissue development were analysed by Array-CGH. In two cases the array-CGH analysis detected an interstitial heterozygous duplication of chromosome 9. The duplication contained the SOX9 coding region. In this work we provide for the first time a causative mutation for the XXSR condition in the dog. Moreover this report supports the idea that the dog represents a good animal model for the study of XXSR condition caused by abnormalities in the SOX9 locus.

  5. Overrepresentation of the ACTN3 XX genotype in elite canoe and kayak paddlers.

    Science.gov (United States)

    Orysiak, Joanna; Sitkowski, Dariusz; Zmijewski, Piotr; Malczewska-Lenczowska, Jadwiga; Cieszczyk, Pawel; Zembron-Lacny, Agnieszka; Pokrywka, Andrzej

    2015-04-01

    The aim of the study was to examine the association between the ACTN3 R577X polymorphism in canoe sprint athletes (canoe and kayak paddlers) and their results at 200- or 1000-m distance. Eighty-six European white male athletes divided into 2 groups-successful, who were outstanding at national championships, and nonsuccessful in these competitions-and 354 nonathletic controls were included in this study. The R577X polymorphism of ACTN3 was typed using PCR-RFLP. ACTN3 genotype distribution among all tested athletes and controls was in Hardy-Weinberg equilibrium. The odds ratio (OR) for successful 1000-m athletes harboring the XX genotype compared with sedentary controls was 2.95 (95% confidence interval [CI]: 1.37-6.35), but the OR for nonsuccessful 200-m athletes having the XX genotype compared with controls was 2.64 (95% CI: 1.30-5.36). These results suggest that factors associated with the ACTN3 XX genotype in canoe and kayak paddlers might provide some competitive advantage in performance at 1000 m, but it seems to limit at 200 m. Further studies aimed at development of training strategies based on genetic factors are needed.

  6. Wind Atlas for Egypt

    DEFF Research Database (Denmark)

    The results of a comprehensive, 8-year wind resource assessment programme in Egypt are presented. The objective has been to provide reliable and accurate wind atlas data sets for evaluating the potential wind power output from large electricityproducing wind turbine installations. The regional wind...... climates of Egypt have been determined by two independent methods: a traditional wind atlas based on observations from more than 30 stations all over Egypt, and a numerical wind atlas based on long-term reanalysis data and a mesoscale model (KAMM). The mean absolute error comparing the two methods is about...... 10% for two large-scale KAMM domains covering all of Egypt, and typically about 5% for several smaller-scale regional domains. The numerical wind atlas covers all of Egypt, whereas the meteorological stations are concentrated in six regions. The Wind Atlas for Egypt represents a significant step...

  7. Wind Atlas for Egypt

    DEFF Research Database (Denmark)

    Mortensen, Niels Gylling; Said Said, Usama; Badger, Jake

    2006-01-01

    The results of a comprehensive, 8-year wind resource assessment programme in Egypt are presented. The objective has been to provide reliable and accurate wind atlas data sets for evaluating the potential wind power output from large electricityproducing wind turbine installations. The regional wind...... climates of Egypt have been determined by two independent methods: a traditional wind atlas based on observations from more than 30 stations all over Egypt, and a numerical wind atlas based on long-term reanalysis data and a mesoscale model (KAMM). The mean absolute error comparing the two methods is about...... 10% for two large-scale KAMM domains covering all of Egypt, and typically about 5% for several smaller-scale regional domains. The numerical wind atlas covers all of Egypt, whereas the meteorological stations are concentrated in six regions. The Wind Atlas for Egypt represents a significant step...

  8. Wind power today

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1998-04-01

    This publication highlights initiatives of the US DOE`s Wind Energy Program. 1997 yearly activities are also very briefly summarized. The first article describes a 6-megawatt wind power plant installed in Vermont. Another article summarizes technical advances in wind turbine technology, and describes next-generation utility and small wind turbines in the planning stages. A village power project in Alaska using three 50-kilowatt turbines is described. Very brief summaries of the Federal Wind Energy Program and the National Wind Technology Center are also included in the publication.

  9. Wind turbines acoustic measurements

    Science.gov (United States)

    Trematerra, Amelia; Iannace, Gino

    2017-07-01

    The importance of wind turbines has increased over the last few years throughout the European Community. The European energy policy guidelines state that for the year 2020 20% of all energy must be produced by alternative energy sources. Wind turbines are an important type of energy production without petrol. A wind speed in a range from 2.5 m/s to 25.0 m/s is needed. One of the obstacles to the widespread diffusion of wind turbine is noise generation. This work presents some noise measurements of wind turbines in the South of Italy, and discusses the noise problems for the people living near wind farms.

  10. Arctic wind energy

    Energy Technology Data Exchange (ETDEWEB)

    Peltola, E. [Kemijoki Oy (Finland); Holttinen, H.; Marjaniemi, M. [VTT Energy, Espoo (Finland); Tammelin, B. [Finnish Meteorological Institute, Helsinki (Finland)

    1998-12-31

    Arctic wind energy research was aimed at adapting existing wind technologies to suit the arctic climatic conditions in Lapland. Project research work included meteorological measurements, instrument development, development of a blade heating system for wind turbines, load measurements and modelling of ice induced loads on wind turbines, together with the development of operation and maintenance practices in arctic conditions. As a result the basis now exists for technically feasible and economically viable wind energy production in Lapland. New and marketable products, such as blade heating systems for wind turbines and meteorological sensors for arctic conditions, with substantial export potential, have also been developed. (orig.)

  11. Wind Power Career Chat

    Energy Technology Data Exchange (ETDEWEB)

    L. Flowers

    2011-01-01

    This document will teach students about careers in the wind energy industry. Wind energy, both land-based and offshore, is expected to provide thousands of new jobs in the next several decades. Wind energy companies are growing rapidly to meet America's demand for clean, renewable, and domestic energy. These companies need skilled professionals. Wind power careers will require educated people from a variety of areas. Trained and qualified workers manufacture, construct, operate, and manage wind energy facilities. The nation will also need skilled researchers, scientists, and engineers to plan and develop the next generation of wind energy technologies.

  12. Wind energy information guide

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-04-01

    This book is divided into nine chapters. Chapters 1--8 provide background and annotated references on wind energy research, development, and commercialization. Chapter 9 lists additional sources of printed information and relevant organizations. Four indices provide alphabetical access to authors, organizations, computer models and design tools, and subjects. A list of abbreviations and acronyms is also included. Chapter topics include: introduction; economics of using wind energy; wind energy resources; wind turbine design, development, and testing; applications; environmental issues of wind power; institutional issues; and wind energy systems development.

  13. A viable fetus presenting 68,XX[73]/69,XXX[27] triploid mosaicism

    Directory of Open Access Journals (Sweden)

    A.X. Acosta

    1998-09-01

    Full Text Available Triploidy is common in human pregnancies. It is detected in 1 to 2% of clinically recognized pregnancies and in approximately 15 to 20% of spontaneous abortions produced by chromosome anomalies. We report a premature liveborn girl (30 weeks of gestation with microcephaly, facial dysmorphism and skeletal abnormalities who died at one day of age due to respiratory failure. The placenta showed partial hydatiform mole. Autopsy revealed no internal malformations. Cytogenetic analysis of 100 metaphases obtained from renal tissue culture revealed a 68,XX[73]/69,XXX[27] karyotype. To our knowledge this is the first report in the literature of 68,XX[73]/69,XXX[27] mosaicism in a liveborn infant.A triploidia é uma anomalia cromossômica comum encontrada em 1 a 2% das gestações clinicamente reconhecidas e em cerca de 15 a 20% dos abortos espontâneos de causa cromossômica. Em aproximadamente 5% dos casos, uma aneuploidia pode estar também associada (Boué et al., 1985. Descrevemos um recém-nascido do sexo feminino, prematuro (30 semanas de idade gestacional, com microcefalia, dismorfias faciais e alterações de membros, que foi a óbito com 1 dia de vida por insuficiência respiratória. O exame anátomo-patológico da placenta revelou alterações compatíveis com degeneração molar. A necrópsia da criança não evidenciou malformações internas. A análise citogenética de 100 metáfases, obtidas a partir de cultura de tecido renal, evidenciou cariótipo 68,XX[73]/69,XXX[27]. Apenas 9 casos de triploidia 68,XX foram descritos anteriormente, sendo 7 em abortos, 1 em feto de 21 semanas e 1 em recém-nascido a termo. Consideramos que este estudo seja o primeiro da literatura relatando a ocorrência de mosaicismo 69,XXX/68,XX em um recém-nascido vivo. Os autores discutem os achados clínicos e os possíveis mecanismos envolvidos nesta aberração cromossômica.

  14. Wide spectrum of NR5A1-related phenotypes in 46,XY and 46,XX individuals.

    Science.gov (United States)

    Domenice, Sorahia; Machado, Aline Zamboni; Ferreira, Frederico Moraes; Ferraz-de-Souza, Bruno; Lerario, Antonio Marcondes; Lin, Lin; Nishi, Mirian Yumie; Gomes, Nathalia Lisboa; da Silva, Thatiana Evelin; Silva, Rosana Barbosa; Correa, Rafaela Vieira; Montenegro, Luciana Ribeiro; Narciso, Amanda; Costa, Elaine Maria Frade; Achermann, John C; Mendonca, Berenice Bilharinho

    2016-12-01

    Steroidogenic factor 1 (NR5A1, SF-1, Ad4BP) is a transcriptional regulator of genes involved in adrenal and gonadal development and function. Mutations in NR5A1 have been among the most frequently identified genetic causes of gonadal development disorders and are associated with a wide phenotypic spectrum. In 46,XY individuals, NR5A1-related phenotypes may range from disorders of sex development (DSD) to oligo/azoospermia, and in 46,XX individuals, from 46,XX ovotesticular and testicular DSD to primary ovarian insufficiency (POI). The most common 46,XY phenotype is atypical or female external genitalia with clitoromegaly, palpable gonads, and absence of Müllerian derivatives. Notably, an undervirilized external genitalia is frequently seen at birth, while spontaneous virilization may occur later, at puberty. In 46,XX individuals, NR5A1 mutations are a rare genetic cause of POI, manifesting as primary or secondary amenorrhea, infertility, hypoestrogenism, and elevated gonadotropin levels. Mothers and sisters of 46,XY DSD patients carrying heterozygous NR5A1 mutations may develop POI, and therefore require appropriate counseling. Moreover, the recurrent heterozygous p.Arg92Trp NR5A1 mutation is associated with variable degrees of testis development in 46,XX patients. A clear genotype-phenotype correlation is not seen in patients bearing NR5A1 mutations, suggesting that genetic modifiers, such as pathogenic variants in other testis/ovarian-determining genes, may contribute to the phenotypic expression. Here, we review the published literature on NR5A1-related disease, and discuss our findings at a single tertiary center in Brazil, including ten novel NR5A1 mutations identified in 46,XY DSD patients. The ever-expanding phenotypic range associated with NR5A1 variants in XY and XX individuals confirms its pivotal role in reproductive biology, and should alert clinicians to the possibility of NR5A1 defects in a variety of phenotypes presenting with gonadal dysfunction

  15. Evolution of wind towards wind turbine

    NARCIS (Netherlands)

    Giyanani, A.H.; Bierbooms, W.A.A.M.; Van Bussel, G.J.W.

    2015-01-01

    Remote sensing of the atmospheric variables with the use of LiDAR is a relatively new technology field for wind resource assessment in wind energy. The validation of LiDAR measurements and comparisons is of high importance for further applications of the data.

  16. BOEM Wind Planning Areas

    Data.gov (United States)

    Bureau of Ocean Energy Management, Department of the Interior — This data set represents the most recent changes for the Wind Development Planning Areas in the Atlantic. Wind Planning Areas in this dataset represent up to six...

  17. EL ESPACIO ANEXO ENTRE LO ARTIFICIAL Y LO NATURAL / The annexed space between the natural and the artifical

    Directory of Open Access Journals (Sweden)

    Juan José Tuset Davó

    2011-11-01

    Full Text Available RESUMEN En la ciudad contemporánea, lo público está perdiendo relevancia respecto a lo privado. Presenciamos, además, una insistencia en encontrar y recuperar el equilibrio entre ambos. Ante la pregunta de cuál es la forma adecuada que la arquitectura da a los espacios donde lo público encuentra su lugar, vemos que a lo largo de la modernidad, en las utopías socialistas del siglo XIX, en los experimentos de vivienda social europea, oculto en la ciudad suburbana norteamericana, en los revisionismos de los años 70 y en la nueva vivienda colectiva de los años 90, existen unos espacios anexos a la arquitectura que pretenden complementarla y corregir la progresiva sustitución de lo público por lo privado. Actualmente, el activismo pasivo urbano aprovecha cualquier oportunidad en la ciudad para reivindicar el encuentro colectivo. Este planteamiento radica en la firme voluntad de diseñar escenarios urbanos donde lo público encuentre acomodo. Para ello, la constitución del suelo como un plano moldeable acompañado por una cobertura arbórea nos ofrece las condiciones esenciales para que la gente se encuentre bien en un lugar. Entre lo artificial y lo natural, es posible pensar que hay un espacio anexo arquitectónico que se abre a los acontecimientos imprevistos para que tenga lugar otro sentido de lo público.SUMMARY In the contemporary city, what is public is losing importance with respect to what is private. Witness also, an insistence on finding and recovering the balance between them. The appropriate way that architecture makes spaces for what is public can be seen throughout modernity: in the socialist utopias of the nineteenth century; in the European social housing experiments; hidden in the North American suburban town; in the revisionism of the 70’s, and, in the new collective housing of the 90’s, there are spaces annexed to the architecture which are intended to complement and correct the progressive change from public to

  18. Wind Tunnel Measurements at LM Wind Power

    DEFF Research Database (Denmark)

    Bertagnolio, Franck

    2012-01-01

    The optimization of airfoil profiles specifically designed for wind turbine application was initiated in the late 80’s [67, 68, 30, 15]. The first attempts to reduce airfoil noise for wind turbines made use of airfoil trailing edge serration. Themodification of airfoil shapes targeted at noise...... reduction is more recent. An important effort was produced in this direction within the SIROCCO project. This latter work involved measurements on full size wind turbines and showed that trailing edge serration may proved a viable solution for mitigating wind turbine noise though it has not been implemented...... on commercial wind turbine yet. It should be mentioned here that the attenuation of turbulent inflow noise using wavy leading edge has recently been investigated [55], but this technique has still to be further validated for practical applications. In this paper, it is proposed to optimize an airfoil which...

  19. Analysis of Photovoltaic Applications in Zero Energy Building Cases of IEA SHC/EBC Task 40/Annex 52

    Directory of Open Access Journals (Sweden)

    Jin-Hee Kim

    2015-07-01

    Full Text Available A Net Zero Energy Building (NZEB considerably reduces the building energy load through high efficiency equipment and passive elements such as building orientation, high insulation, natural daylighting, and ventilation in order to achieve zero energy balance with on-site energy production from renewable energy systems applied to the building. For a Zero Energy Building (ZEB, the heating energy demand can be significantly reduced with high insulation and air tightness, while the cooling energy demand can be curtailed by applying shading device, cross ventilation, etc. As such, the electrical energy demand for a ZEB is relatively higher than its heat energy demand. Therefore, the application of a Renewable Energy System (RES to produce electricity is necessary for a ZEB. In particular, Building Integrated Photovoltaic (BIPV systems that generate electricity can play an important role for achieving zero energy balance in buildings; BIPVs are multi-functional and there are many ways to apply them into buildings. This study comprehensively analyzes photovoltaic (PV applications in ZEB cases through the International Energy Agency Solar Heating and Cooling Programme (IEA SHC/Energy in Buildings and Communities Programme (EBC Task 40/Annex 52 activities, which include PV installation methods, PV cell type, and electricity generation. The most widely applied RES is the PV system, corresponding to 29 out of a total of 30 cases. Among the roof type PV systems, 71% were non-integrated. In addition, 14 of the 27 cases in which PV systems were applied, satisfied over 100% of the electricity energy demand from the PV system and were found to generate surplus electrical power.

  20. The Irish Wind Atlas

    Energy Technology Data Exchange (ETDEWEB)

    Watson, R. [Univ. College Dublin, Dept. of Electronic and Electrical Engineering, Dublin (Ireland); Landberg, L. [Risoe National Lab., Meteorology and Wind Energy Dept., Roskilde (Denmark)

    1999-03-01

    The development work on the Irish Wind Atlas is nearing completion. The Irish Wind Atlas is an updated improved version of the Irish section of the European Wind Atlas. A map of the irish wind resource based on a WA{sup s}P analysis of the measured data and station description of 27 measuring stations is presented. The results of previously presented WA{sup s}P/KAMM runs show good agreement with these results. (au)

  1. NORCOWE Reference Wind Farm

    DEFF Research Database (Denmark)

    Bak, Thomas; Graham, Angus

    2015-01-01

    Offshore wind farms are complex systems, influenced by both the environment (e.g. wind, waves, current and seabed) and the design characteristics of the equipment available for installation (e.g. turbine type, foundations, cabling and distance to shore). These aspects govern the capital...... and operating expenditures, which, along with the energy produced, determine the cost of energy. A better system-level understanding of wind farms is hence of critical importance to the wind-energy industry....

  2. Turbulence and wind turbines

    DEFF Research Database (Denmark)

    Brand, Arno J.; Peinke, Joachim; Mann, Jakob

    2011-01-01

    The nature of turbulent flow towards, near and behind a wind turbine, the effect of turbulence on the electricity production and the mechanical loading of individual and clustered wind turbines, and some future issues are discussed.......The nature of turbulent flow towards, near and behind a wind turbine, the effect of turbulence on the electricity production and the mechanical loading of individual and clustered wind turbines, and some future issues are discussed....

  3. Denmark Wind Energy Programme

    DEFF Research Database (Denmark)

    Shen, Wen Zhong

    2015-01-01

    In this chapter, a summary of some ongoing wind energy projects in Denmark is given. The research topics comprise computational model development, wind turbine (WT) design, low-noise airfoil and blade design, control device development, wake modelling and wind farm layout optimization....

  4. Wind farm electrical system

    Science.gov (United States)

    Erdman, William L.; Lettenmaier, Terry M.

    2006-07-04

    An approach to wind farm design using variable speed wind turbines with low pulse number electrical output. The output of multiple wind turbines are aggregated to create a high pulse number electrical output at a point of common coupling with a utility grid network. Power quality at each individual wind turbine falls short of utility standards, but the aggregated output at the point of common coupling is within acceptable tolerances for utility power quality. The approach for aggregating low pulse number electrical output from multiple wind turbines relies upon a pad mounted transformer at each wind turbine that performs phase multiplication on the output of each wind turbine. Phase multiplication converts a modified square wave from the wind turbine into a 6 pulse output. Phase shifting of the 6 pulse output from each wind turbine allows the aggregated output of multiple wind turbines to be a 24 pulse approximation of a sine wave. Additional filtering and VAR control is embedded within the wind farm to take advantage of the wind farm's electrical impedence characteristics to further enhance power quality at the point of common coupling.

  5. Modelling Wind for Wind Farm Layout Optimization Using Joint Distribution of Wind Speed and Wind Direction

    Directory of Open Access Journals (Sweden)

    Ju Feng

    2015-04-01

    Full Text Available Reliable wind modelling is of crucial importance for wind farm development. The common practice of using sector-wise Weibull distributions has been found inappropriate for wind farm layout optimization. In this study, we propose a simple and easily implementable method to construct joint distributions of wind speed and wind direction, which is based on the parameters of sector-wise Weibull distributions and interpolations between direction sectors. It is applied to the wind measurement data at Horns Rev and three different joint distributions are obtained, which all fit the measurement data quite well in terms of the coefficient of determination . Then, the best of these joint distributions is used in the layout optimization of the Horns Rev 1 wind farm and the choice of bin sizes for wind speed and wind direction is also investigated. It is found that the choice of bin size for wind direction is especially critical for layout optimization and the recommended choice of bin sizes for wind speed and wind direction is finally presented.

  6. Wind power outlook 2006

    Energy Technology Data Exchange (ETDEWEB)

    anon.

    2006-04-15

    This annual brochure provides the American Wind Energy Association's up-to-date assessment of the wind industry in the United States. This 2006 general assessment shows positive signs of growth, use and acceptance of wind energy as a vital component of the U.S. energy mix.

  7. Wind and Yaw correlation

    DEFF Research Database (Denmark)

    Federici, Paolo; Kock, Carsten Weber

    The report describes measurements carried out on a given turbine and period. The measurements are carried out in accordance to Ref. [1]. A comparison between wind speed and wind direction on the met mast and nacelle wind speed and yaw direction is made in accordance to Ref. [2] and the results...... are presented on graphs and in a table....

  8. Wind and Yaw correlation

    DEFF Research Database (Denmark)

    Federici, Paolo; Kock, Carsten Weber

    The report describes measurements carried out on a given turbine and period. The measurements are carried out in accordance to Ref. [1]. A comparison between wind speed and wind direction on the met mast and nacelle wind speed and yaw direction is made in accordance to Ref. [2] and the results ar...

  9. Power from the Wind

    Science.gov (United States)

    Roman, Harry T.

    2004-01-01

    Wind energy is the fastest-growing renewable energy source in the world. Over the last 20 years, the wind industry has done a very good job of engineering machines, improving materials, and economies of production, and making this energy source a reality. Like all renewable energy forms, wind energy's successful application is site specific. Also,…

  10. Wind Power Now!

    Science.gov (United States)

    Inglis, David Rittenhouse

    1975-01-01

    The government promotes and heavily subsidizes research in nuclear power plants. Federal development of wind power is slow in comparison even though much research with large wind-electric machines has already been conducted. Unless wind power programs are accelerated it will not become a major energy alternative to nuclear power. (MR)

  11. Offshore wind energy developments

    OpenAIRE

    Stolpe, Mathias; Buhl, Thomas; Sumer, B. Mutlu; Kiil, Søren; Holbøll, Joachim; Piirainen, Kalle

    2014-01-01

    This chapter will give a brief overview of a few of the activities within offshore wind energy research, specifically 1) Support structure optimization, 2) Blade coatings for wind turbines; 3) Scour protection of foundations, 4) Offshore HVDC and 5) Offshore wind services.

  12. Extreme winds in Denmark

    DEFF Research Database (Denmark)

    Kristensen, L.; Rathmann, O.; Hansen, S.O.

    2000-01-01

    ), Kegnaes (7 yr), Sprogo (20 yr), and Tystofte (16 yr). The measured data are wind speed, wind direction, temperature and pressure. The wind records are cleaned for terrain effects by means of WASP (Mortensew ct al., Technical Report I-666 (EN), Riso National Laboratory, 1993. Vol. 2. User's Guide...

  13. Wind power soars

    Energy Technology Data Exchange (ETDEWEB)

    Flavin, C. [Worldwatch Inst., Washington, DC (United States)

    1996-12-31

    Opinions on the world market for wind power are presented in this paper. Some data for global wind power generating capacity are provided. European and other markets are discussed individually. Estimated potential for wind power is given for a number of countries. 3 figs.

  14. Wind and Yaw correlation

    DEFF Research Database (Denmark)

    Kock, Carsten Weber; Vesth, Allan

    The report describes measurements carried out on a given turbine and period. The measurements are carried out in accordance to Ref. [1]. A comparison between wind speed and wind direction on the met mast and nacelle wind speed and yaw direction is made in accordance to Ref. [2] and the results...

  15. Wind Energy Systems

    DEFF Research Database (Denmark)

    Blaabjerg, Frede; Ma, Ke

    2017-01-01

    Wind power now represents a major and growing source of renewable energy. Large wind turbines (with capacities of up to 6-8 MW) are widely installed in power distribution networks. Increasing numbers of onshore and offshore wind farms, acting as power plants, are connected directly to power...

  16. Offshore wind energy developments

    DEFF Research Database (Denmark)

    Stolpe, Mathias; Buhl, Thomas; Sumer, B. Mutlu

    2014-01-01

    This chapter will give a brief overview of a few of the activities within offshore wind energy research, specifically 1) Support structure optimization, 2) Blade coatings for wind turbines; 3) Scour protection of foundations, 4) Offshore HVDC and 5) Offshore wind services....

  17. Wind Loads on Structures

    DEFF Research Database (Denmark)

    Dyrbye, Claes; Hansen, Svend Ole

    induced by wind turbulence, vortex shedding, flutter and galloping. The book gives a comprehensive treatment of wind effects on structures and it will be useful for consulting engineers designing wind-sensitive structures. It will also be valuable for students of civil engineering as textbook...

  18. Wind Wave Climate of the Baltic Sea

    Science.gov (United States)

    Medvedeva, Alisa

    2017-04-01

    Storms in the Baltic Sea in autumn and winter are very frequent. In this research the goal is to estimate decadal and interannual changes of the wave fields for the entire Baltic Sea. The wave parameters, such as significant wave heights and periods, were simulated for the period 1979-2015 years based on NCEP/CFSR Reanalysis data fields and for the period 1948-2010 years based on NCEP/NCAR Reanalysis data. For accuracy estimation of the model the statistical characteristics, such as correlation coefficient, bias, scatter index and RMSE were calculated. Also two computational meshes were compared: rectangular and triangulated. In this study the third generation spectral wind-wave model SWAN was used for simulations. For wind input data two types of wind reanalysis were chosen: NCEP/CFSR with 1-hour time step and NCEP/NCAR with time step of 6 hours. The final computational grid for rectangular mesh for the Baltic Sea is 0.05×0.05°. The simulated data were compared with instrumental data of the Sweden buoys and of the acoustic wave recorder fixed at the Russian oil platform. The results reveal that for the Baltic Sea it is more efficient to use rectangular mesh for the deep open area and irregular mesh near the coast. Simulations using wind data from NCEP/NCAR significantly decreases the quality of the results compared with NCEP/CFSR wind data: Bias increases in 10 times (-0.730), RMSE - in 2-3 times (0.89). The following results of numerical modeling using NCEP/NCAR the storm situations, when the significant wave height exceeded 2 meters, were identified for the 63-year period. An average of about 50 storms per year happened in the Baltic Sea in this time period. The storminess of the Baltic Sea tends to increase. The twenty-year periodicity with the increase in the 70-s and 90-s years of XX century was revealed. The average yearly significant wave height increases in the second part of the century too and differs from 2.4 to 3.3 m. Storm cyclones are connected

  19. Wind tipping point[Wind energy

    Energy Technology Data Exchange (ETDEWEB)

    Wood, E.

    2006-07-15

    In this article the author looks at how in five years wind energy has rapidly evolved into a mainstream industry. The United States has begun to look at wind differently - from a macroeconomic perspective.'This country is going to become increasingly committed to renewable energy, and it's not about altruism', said Alan Waxman, managing director of Goldman Sachs and Co., a financial giant that has invested $1 billion in the resource. Wind is seen not just as an environmentally benign alternative, but also as a means to solve some large problems plaguing the energy business and ultimately the United States as a whole. The last year brought record-breaking electricity rate increases, in some cases doubling consumer costs, and escalating the flight of large enterprises out of high-cost energy regions - or out of business altogether. The rate hikes were caused by hurricanes that hit the southern states and disrupted natural gas and oil operations. Adding wind power to the grid is increasingly seen as a way to limit the price shock caused by such events. Wind power reduces reliance on gas and oil-fired generation and, in particular, creates a hedge against spikes in natural gas, a fuel that increasingly sets the marginal price. Large energy users, too, are becoming aware of wind's hedging benefits. The author looks at the cost issues and how the future of wind energy in the country can be sustained as a reliable alternative fuel.

  20. Offshore wind resource estimation for wind energy

    DEFF Research Database (Denmark)

    Hasager, Charlotte Bay; Badger, Merete; Mouche, A.

    2010-01-01

    Satellite remote sensing from active and passive microwave instruments is used to estimate the offshore wind resource in the Northern European Seas in the EU-Norsewind project. The satellite data include 8 years of Envisat ASAR, 10 years of QuikSCAT, and 23 years of SSM/I. The satellite observati......Satellite remote sensing from active and passive microwave instruments is used to estimate the offshore wind resource in the Northern European Seas in the EU-Norsewind project. The satellite data include 8 years of Envisat ASAR, 10 years of QuikSCAT, and 23 years of SSM/I. The satellite...... observations are compared to selected offshore meteorological masts in the Baltic Sea and North Sea. The overall aim of the Norsewind project is a state-of-the-art wind atlas at 100 m height. The satellite winds are all valid at 10 m above sea level. Extrapolation to higher heights is a challenge. Mesoscale...... modeling of the winds at hub height will be compared to data from wind lidars observing at 100 m above sea level. Plans are also to compare mesoscale model results and satellite-based estimates of the offshore wind resource....

  1. Wind energy; Energia eolica

    Energy Technology Data Exchange (ETDEWEB)

    Nascimento, Marcus Vinicius Gusmao do; Lima, Jorge H. Greco; Francescutti, Fabio Gino; Dutra, Ricardo Marques; Silva, Patricia de Castro; Giannini, Marcio; Vianna Junior, Affonso [Centro de Pesquisa de Energia Eletrica (CEPEL), Rio de Janeiro, RJ (Brazil)

    2003-07-01

    This chapter gives an overview on energy generation from wind energy, presenting a panoramic approaching on the state-of-art of wind energy, the evolution of the technological dynamics of the sector in Brazil, description of the wind energy technology, the environment and the wind energy, analysis of the economic viability, the strategy for the development of a Brazilian wind energy technology, the estimative for the necessary financial resources, the identification of the present barriers to the penetration of the technology, the mechanisms for the viabilization of the technology introduction.

  2. Wind energy applications guide

    Energy Technology Data Exchange (ETDEWEB)

    anon.

    2001-01-01

    The brochure is an introduction to various wind power applications for locations with underdeveloped transmission systems, from remote water pumping to village electrification. It includes an introductory section on wind energy, including wind power basics and system components and then provides examples of applications, including water pumping, stand-alone systems for home and business, systems for community centers, schools, and health clinics, and examples in the industrial area. There is also a page of contacts, plus two specific example applications for a wind-diesel system for a remote station in Antarctica and one on wind-diesel village electrification in Russia.

  3. Mapping Wind Energy Controversies

    DEFF Research Database (Denmark)

    Munk, Anders Kristian

    As part the Wind2050 project funded by the Danish Council for Strategic Research we have mapped controversies on wind energy as they unfold online. Specifically we have collected two purpose built datasets, a web corpus containing information from 758 wind energy websites in 6 different countries......, and a smaller social media corpus containing information from 14 Danish wind energy pages on Facebook. These datasets have been analyzed to answer questions like: How do wind proponents and opponents organize online? Who are the central actors? And what are their matters of concern? The purpose of this report...

  4. Wind Tunnel Measurements at LM Wind Power

    DEFF Research Database (Denmark)

    Bertagnolio, Franck

    2012-01-01

    This section presents the results obtained during the experimental campaign that was conducted in the wind tunnel at LM Wind Power in Lunderskov from August 16th to 26th, 2010. The goal of this study is to validate the so-called TNO trailing edge noise model through measurements of the boundary...... layer turbulence characteristics and the far-field noise generated by the acoustic scattering of the turbulent boundary layer vorticies as they convect past the trailing edge. This campaign was conducted with a NACA0015 airfoil section that was placed in the wind tunnel section. It is equipped with high...

  5. XX SRY-negative true hermaphrodism in two dogs: clinical, morphological, genetic and cytogenetic studies.

    Science.gov (United States)

    Groppetti, D; Genualdo, V; Bosi, G; Pecile, A; Iannuzzi, A; Perucatti, A; De Lorenzi, L; Parma, P; Arrighi, S

    2012-01-01

    This work aimed at giving a deeper insight into peculiar cases of intersexuality occurring in dogs and known as XX true hermaphrodism due to the existence of both testicular and ovarian tissue in one or both gonads in the presence of an XX chromosome constitution. Clinical, histological and genetic approaches were used in the study of an 8-month-old Cocker Spaniel dog and a 3-year-old mixed-breed Pitbull, both showing a female phenotype, clitoromegaly and male behavior. A normal female karyotype (2n = 78,XX) was noticed, and polymerase chain reaction failed to detect SRY in genomic DNA obtained from peripheral blood lymphocytes of both dogs. The reproductive tract was removed by standard ovariohysterectomy and processed for histology. Thereafter, a normal female phenotype was reconstructed by vaginoplasty. Histological examination revealed bilateral ovotestis in both cases: the gonads showed immature testicular parenchyma containing seminiferous tubules, Sertoli and Leydig cells, but no signs of spermatogenesis, together with differently developed ovarian follicles containing oocytes. In the ovotestes, steroidogenesis was detected by P450c17-immunoreactivity in Leydig cells as well as in theca cells, whereas no MIS-immunoreactivity was shown by the Sertoli cells. Genital tracts of Wolffian and Müllerian origin co-existed in both subjects. Both dogs belong to the very rare cases in which testicular tissue develops in the absence of the key gene, SRY. Up to date very few genetic events have been associated with this abnormal sexual differentiation: SOX9 over-expression and RSPO1 mutation. Nevertheless, neither of them has been found in these dogs. Copyright © 2011 S. Karger AG, Basel.

  6. A economia internacional no século XX: um ensaio de síntese

    Directory of Open Access Journals (Sweden)

    Paulo Roberto de Almeida

    2001-06-01

    Full Text Available Ensaio sobre as grandes tendências da economia mundial no século XX, com ênfase nas transformações estruturais e institucionais de sua primeira metade, na expansão e crise da economia internacional no pós-Segunda Guerra e nas características do processo de globalização capitalista do final do século XX e princípios do XXI (discussão sobre as desigualdades estruturais entre países e sociedades. Seções específicas do trabalho são dedicadas ao comércio (do liberalismo ao protecionismo e do multilateralismo ao neoprotecionismo, às finanças internacionais e ao câmbio (do padrão ouro ao padrão ouro-dólar e à flutuação generalizada de moedas e à estrutura institucional da economia internacional no século XX.Essay on the main trends of the world economy during the XXth century, stressing the structural and institutional changes of the first half of that period, the expansion and crisis of the international economy in the post-WWII and the main features of the globalization process of the end of that century and the beginning of the XXIth (discussion on the structural inequalities among countries and societies. Special sections of the work are devoted to trade (from liberalism to protectionism and from multilateralism to neoprotectionism, to international finance and exchange (from gold standard to gold-dollar standard and the overall flotation of currencies and to the institutional structure of the international economy of the XXth century.

  7. La población con discapacidad en los censos del siglo XX en Costa Rica

    Directory of Open Access Journals (Sweden)

    Mariana Campos Vargas

    2013-01-01

    Full Text Available En este trabajo se logró conocer los criterios de clasificación empleados para definir a la población con discapacidad en los registros censales del siglo XX en Costa Rica y, por consiguiente, una aproximación a las formulaciones conceptuales para referirse al grupo en estudio. Además, se caracterizó a ese segmento poblacional a partir de diferentes variables: sexo, edad, estado civil y distribución geográfica. También se abordaron otros aspectos como fueron: alfabetismo, nivel de educación, ocupación, jefatura de hogar y vivienda. Entre los hallazgos más destacables se encuentra la permanencia, en los registros censales del siglo XX, de un concepto de discapacidad basado en la deficiencia, lo que definió los criterios de clasificación para esa población en esas fuentes. Asimismo se constató, por una parte, la asociación entre discapacidad e inequidad en esa centuria y, por la otra, la fragilidad de los vínculos de parentesco en ese grupo poblacional con respecto al conjunto de hogares de Costa Rica a fines de ese siglo. Las fuentes empleadas en esta investigación fueron los censos de población de Costa Rica del siglo XX. En el procedimiento con los datos, se llevó a cabo un análisis descriptivo de distribución de frecuencias.

  8. Inspiration and experiences from the joint analysis of shining examples of comprehensive energy renovation building projects within IEA EBC Annex 56

    DEFF Research Database (Denmark)

    Christen Mørck, Ove; Almeida, Manuela; Ferreira, Marco

    2016-01-01

    aimed at developing a new methodology to enable cost effective renovation of existing buildings while optimizing energy consumption and carbon emissions reduction. Gathering of case studies was one of the activities undertaken to reach the overall project objectives. Among the case studies, a selection......The International Energy Agency established in 2011 an Implementing Agreement within the Energy in Buildings and Communities Program to undertake research and provide an international focus on Cost Effective Energy and Carbon Emissions Optimization in Building Renovation (EBC Annex 56). The project...

  9. Wind tower service lift

    Science.gov (United States)

    Oliphant, David; Quilter, Jared; Andersen, Todd; Conroy, Thomas

    2011-09-13

    An apparatus used for maintaining a wind tower structure wherein the wind tower structure may have a plurality of legs and may be configured to support a wind turbine above the ground in a better position to interface with winds. The lift structure may be configured for carrying objects and have a guide system and drive system for mechanically communicating with a primary cable, rail or other first elongate member attached to the wind tower structure. The drive system and guide system may transmit forces that move the lift relative to the cable and thereby relative to the wind tower structure. A control interface may be included for controlling the amount and direction of the power into the guide system and drive system thereby causing the guide system and drive system to move the lift relative to said first elongate member such that said lift moves relative to said wind tower structure.

  10. Wind energy conversion system

    Science.gov (United States)

    Longrigg, Paul

    1987-01-01

    The wind energy conversion system includes a wind machine having a propeller connected to a generator of electric power, the propeller rotating the generator in response to force of an incident wind. The generator converts the power of the wind to electric power for use by an electric load. Circuitry for varying the duty factor of the generator output power is connected between the generator and the load to thereby alter a loading of the generator and the propeller by the electric load. Wind speed is sensed electro-optically to provide data of wind speed upwind of the propeller, to thereby permit tip speed ratio circuitry to operate the power control circuitry and thereby optimize the tip speed ratio by varying the loading of the propeller. Accordingly, the efficiency of the wind energy conversion system is maximized.

  11. Kansas Wind Energy Consortium

    Energy Technology Data Exchange (ETDEWEB)

    Gruenbacher, Don [Kansas State Univ., Manhattan, KS (United States)

    2015-12-31

    This project addresses both fundamental and applied research problems that will help with problems defined by the DOE “20% Wind by 2030 Report”. In particular, this work focuses on increasing the capacity of small or community wind generation capabilities that would be operated in a distributed generation approach. A consortium (KWEC – Kansas Wind Energy Consortium) of researchers from Kansas State University and Wichita State University aims to dramatically increase the penetration of wind energy via distributed wind power generation. We believe distributed generation through wind power will play a critical role in the ability to reach and extend the renewable energy production targets set by the Department of Energy. KWEC aims to find technical and economic solutions to enable widespread implementation of distributed renewable energy resources that would apply to wind.

  12. El análisis comparativo: algunos aportes latinoamericanos en la segunda mitad del siglo XX

    OpenAIRE

    Miguel Ángel Beltrán Villegas

    2014-01-01

    En este artículo se explora la importancia del análisis comparativo como instrumento de conocimiento de la realidad latinoamericana, a parti r de la identificación de algunos ejes problemáticos que durante el s iglo XIX y comienzos del XX predominaron en el pensamiento sociopolítico de América Latina . Específicamente , se centra la atención en la segunda mitad del siglo pasado cuando , desde una perspectiva histórica y sociológica , estos ejes aparecerán reformulados en la obra de autores co...

  13. Movilidad social e identidad “negra” en la segunda mitad del siglo XX

    Directory of Open Access Journals (Sweden)

    Pietro Pisano

    2014-01-01

    Full Text Available A partir de un análisis de los discursos producidos por algunos movimientos negros colombianos entre los años cuarenta y setenta del siglo XX, este artículo se propone analizar la manera en que ellos asumieron la identidad étnico-racial negra, proponiéndola como elemento de reivindicación. En particular, se profundizara la influencia que tuvo la ubicación de sus miembros en la clase media y como ellos asumieron una identidad de clase y la articularon a la identidad étnico-racial.

  14. Forms of Wages for Miners of Siberia in the Late XIX – Early XX Centuries

    Directory of Open Access Journals (Sweden)

    Vasiliy P. Zinovyev

    2014-03-01

    Full Text Available The article considers the question of forms of wages paid to workers in the mining industry of Siberia in the late XIX – early XX centuries. Of the two main forms of labor compensation – hourly rate and piecework pay, the latter was more corresponding to the spirit of capitalism, and it was most widespread in the mining enterprises of Siberia. The piecework pay was also the main instrument for intensifying labor productivity. This episode in the history of labor is studied on the basis of paperwork materials of mining companies and reporting documents of the mining inspectorate.

  15. 46,XX Karyotype in a Male with Ambigious Genitalia: A Case Report

    Directory of Open Access Journals (Sweden)

    Mahmut Balkan

    2004-01-01

    Full Text Available 40 days old case who were diagnosed with ambigious genitalia were sentto laboratory of cytogenetics. Mother was 26 years old and have to alivechildren and case were the second child and applied to Child SurgeryDepartment due to continiously vomiting and uneasy conditions. Sexualdevelopment were as male on physical examinations. Cell culture wasapplied for chromosomal analysis. Slides were stained with GiemsaBanding Staining (GTG and 100 cells were totaly counted and karyotypingwere done with 15 metaphase. Chromosome with 46,XX karyotype. Casewere taken under consideration of congenital adrenel hyperplasia afterevalution of karyotype. Case were discussed according to by information ofpresents literatures.

  16. CCD Photometry of Field RR Lyrae Stars. I. Period Changes of SV ERI and XX and

    Directory of Open Access Journals (Sweden)

    Jong-Myung Joo

    1996-06-01

    Full Text Available CCD time series photometry was performed for two Oosterhoff type II± field RR Lyrae stars, SV Eri and XX And, to construct light curves in B and V bands. The maximum light times from our observations were combined with those in the literature to construct phase shift diagrams, from which we determined the period change rates β. We obtained large positive period change rates for these stars, which are expected from current evolutionary models if these stars are evolving rapidly from blue to red toward the end of core helium burning phase.

  17. Artistas catalanes en las universidades argentinas y chilenas a principios del siglo XX

    OpenAIRE

    Rodríguez Samaniego, Cristina; Gras Valero, Irene

    2015-01-01

    Este artículo aborda el tema de las relaciones artísticas entre Cataluña y el Cono Sur, durante la primera mitad del siglo XX, de la mano de un grupo de artistas, principalmente escultores formados en Barcelona, que se instalaron en Buenos Aires y Santiago de Chile, y que, además de destacar por la escultura pública que allí desarrollaron, también desempeñaron la docencia universitaria en sus lugares de adopción, formando a nuevas generaciones de profesionales. Las figuras estudiadas h...

  18. Izobraževanje zaposlenih za gospodarjenje z odpadki v podjetju xx

    OpenAIRE

    Pilipović, Damir

    2017-01-01

    V diplomskem delu smo preverjali, kako je v podjetju XX urejeno gospodarjenje z odpadki in na kakšen način se zaposleni informirajo o pravilnem ravnanju z njimi. V teoretičnem delu diplomske naloge se seznanimo z izobraževanjem kadrov in osnovami odpadkov. Med drugim se seznanimo tudi z zakonodajo na področju odpadkov in spoznamo, da imamo poleg moralne obveznosti do okolja tudi zakonske obveznosti. V nadaljevanju preverimo obstoječe stanje ravnanja z odpadki v podjetju ter pregledamo ustrezn...

  19. Análisis estructural de edificios del siglo XX: Torre Jaume I

    OpenAIRE

    Arrondeau, Pierre

    2011-01-01

    El presente proyecto final de carrera tiene como objetivo el análisis de una estructura metálica del siglo XX: la Torre Jaume I, torre central del teleférico del puerto de Barcelona. Incluida en el paisaje de Barcelona desde 1930, la Torre Jaume I es uno de los numerosos símbolos de la ciudad. La primera parte del proyecto presenta la historia del proyecto. En primer lugar, se resumen los acontecimientos históricos que conoció la ciudad de Barcelona entre la revolución indus...

  20. Fenomenologia e Psicologia Experimental no Início do Século XX

    OpenAIRE

    Castro,Thiago Gomes de; Gomes,William Barbosa

    2015-01-01

    RESUMOO estudo examina as relações entre fenomenologia e psicologia experimental no início do século XX para definir origem, especificidade e abrangência do termo fenomenologia experimental. Inicia com a indicação de que o termo está associado a Carl Stumpf em Berlim. A seguir, acompanha as relações conturbadas entre Husserl e o Departamento de Psicologia da Universidade de Göttingen. Na sequencia constata a influência frutuosa da fenomenologia na psicologia experimental da Universidade de Wü...

  1. Lectores y textos escolares durante la primera mitad del siglo XX en Colombia

    OpenAIRE

    Diana Paola Guzmán Méndez; Paula Andrea Marín Colorado

    2016-01-01

    Este artículo presenta algunos aspectos de la historia de la lectura en Colombia durante la primera mitad del siglo XX, así como la caracterización de algunas prácticas lectoras que se hicieron evidentes durante el mismo período. Los intelectuales de los gobiernos de la República Liberal actuaron como agentes culturales claves para ejecutar diversas campañas que coadyuvaron en la ampliación del público lector, entre ellas, los programas de alfabetización, la creación de bibliotecas y misiones...

  2. O luto no Brasil no final do século XX

    Directory of Open Access Journals (Sweden)

    Mauro Guilherme Pinheiro Koury

    Full Text Available Este artigo tem por objetivo contribuir para a compreensão das mudanças comportamentais da população brasileira urbana frente ao fenômeno do luto e da perda. É resultado de um grande mapeamento do comportamento do homem brasileiro, de segmentos médios urbanos, e das mudanças experienciadas na sua sensibilidade, no decorrer da segunda metade da última década do século XX, tendo o processo de luto e da perda como mote analítico.

  3. Debilidad, eugenesia y actividad física a principios del siglo XX

    OpenAIRE

    Olaechea, Belén

    2008-01-01

    El presente trabajo centra su atención e indagación en el concepto de debilidad en el proyecto eugenista que pretendió confeccionar una "raza argentina", en los comienzos del siglo XX. Las fuentes analizadas han sido diferentes artículos de la Revista El Monitor de la Educación Común. Se rastreó la concepción de higiene, salud y debilidad, como influyentes en el surgimiento de la Educación Física en el proyecto educativo. En este proyecto educativo, llamado integral, por su incidencia en el c...

  4. Turismo y consumo artesanal En Tlaquepaque, Jalisco, México En tres etapas del siglo XX

    OpenAIRE

    Ana Josefina Cuevas Hernández

    2007-01-01

    El ensayo hace un análisis del impacto del turismo en la producción artesanal de Tlaquepaque, Jalisco, México, en tres etapas del siglo XX a través de las memorias de dos linajes de artesanos originarios de Tlaquepaque de cuatro generaciones cada uno y de literatura de otras disciplinas. El propósito es hacer una crítica del papel del Estado mexicano y del turismo en la actividad artesanal, así como en la desaparición y nacimiento de nuevos ofi cios y artesanías. Este texto con...

  5. Violencia y supervivencia en la Córdoba agraria del cambio de siglo (XIX-XX)

    OpenAIRE

    Cesar, Tiago da Silva

    2012-01-01

    La violencia debe ser estudiada desde diferentes ángulos y en el plural, y aquí, en particular, sin olvidar los matices culturales de una sociedad agraria y tradicional. En este artículo, en concreto, se intenta reflexionar sobre un tipo de violencia mucho más sentida que ejercida, sufrida mayoritariamente por hombres y mujeres de las capas sociales menos favorecidas de aquella Córdoba del cambio de siglo (XIX-XX). Y con esta finalidad, se trabajó, básicamente, con dos tipos de docum...

  6. Enhancing the geometric quantum discord in the Heisenberg XX chain by Dzyaloshinsky–Moriya interaction

    Energy Technology Data Exchange (ETDEWEB)

    Gong, Jia-Min, E-mail: jmgong@yeah.net [School of Electronic Engineering, Xi' an University of Posts and Telecommunications, Xi' an 710121 (China); Tang, Qi [School of Electronic Engineering, Xi' an University of Posts and Telecommunications, Xi' an 710121 (China); Sun, Yu-Hang [School of Science, Xi' an University of Posts and Telecommunications, Xi' an 710121 (China); Qiao, Lin [School of Electronic Engineering, Xi' an University of Posts and Telecommunications, Xi' an 710121 (China)

    2015-03-15

    We studied the trace distance, the Hellinger distance, and the Bures distance geometric quantum discords (GQDs) for a two-spin Heisenberg XX chain with the Dzyaloshinsky–Moriya (DM) interaction and the external magnetic fields. We found that considerable enhancement of the GQDs can be achieved by introducing the DM interaction, and their maxima were obtained when the strength of the DM interaction approaches infinity. The external magnetic fields and the increase of the temperature can also enhance the GQDs to some extent during certain specific parameter regions.

  7. 2. El huayno y sus transformaciones urbanas en el siglo xx

    OpenAIRE

    Ferrier, Claude

    2015-01-01

    2.1 El huayno y el migrante El huayno representa un verdadero universo musical, poético y simbólico, con una historia de más de 500 años de transformaciones, mestizaje y aculturación. Se trata de un género musical considerado precolombino (Montoya, 1996: 484, para mencionar un especialista entre muchos), que por motivos desconocidos se ha desarrollado muchísimo después de la conquista según algunos estudiosos su origen sería colonial, ver Huamán, 2006: 87-88 , para llegar a ser en el siglo xx...

  8. Lecturas y sistemas educativos. Los modelos literarios escolares de la segunda mitad del siglo XX

    Directory of Open Access Journals (Sweden)

    Fernando E. GÓMEZ MARTÍN

    2010-03-01

    Full Text Available RESUMEN: La orientación de los manuales de Lengua y Literatura ha variado notablemente en la segunda mitad del siglo XX. Las lecturas ideológicas han dado paso a nuevos cometidos, como la formación estética del alumno y su creatividad. ABSTRACT: In the second part of the 20th century the course of the Spanish language and literature has changed. The ideological lectures of the franquist school have been forgoten, and now the creativity and aesthetic education prevail over.

  9. A Case with 46,XX,dup(X(q21.3q24 karyotype

    Directory of Open Access Journals (Sweden)

    Selda Şimşek

    2010-03-01

    Full Text Available The relationship between phenotype and Xq duplicationsin females remains unclear. Some females are normal;some have short stature; and others have features suchas microcephaly, developmental delay/mental retardation,body asymmetries, and gonadal dysgenesis. Somefeatures in these females resemble those in Turner syndrome.We, herein, presented a 15 years-old girl withshort stature and primary amenorrhea, who was referredto cytogenetic laboratory. Through karyotipe analysis performedby Giemsa banding technique, the patient wasdetermined to have positive Barr body and 46,XX,dup(X(q21.3q24 chromosomal constitution. Case was discussedaccording to information of present literatures.

  10. Noise from wind turbines

    Energy Technology Data Exchange (ETDEWEB)

    Fegeant, Olivier [Royal Inst. of Tech., Stockholm (Sweden). Dept. of Building Sciences

    2002-02-01

    A rapid growth of installed wind power capacity is expected in the next few years. However, the siting of wind turbines on a large scale raises concerns about their environmental impact, notably with respect to noise. To this end, variable speed wind turbines offer a promising solution for applications in densely populated areas like the European countries, as this design would enable an efficient utilisation of the masking effect due to ambient noise. In rural and recreational areas where wind turbines are sited, the ambient noise originates from the action of wind on the vegetation and about the listener's ear (pseudo-noise). It shows a wind speed dependence similar to that of the noise from a variable speed wind turbine and can therefore mask the latter for a wide range of conditions. However, a problem inherent to the design of these machines is their proclivity to pure tone generation, because of the enhanced difficulty of avoiding structural resonances in the mechanical parts. Pure tones are deemed highly annoying and are severely regulated by most noise policies. In relation to this problem, the vibration transmission of structure-borne sound to the tower of the turbine is investigated, in particular when the tower is stiffened at its upper end. Furthermore, since noise annoyance due to wind turbine is mostly a masking issue, the wind-related sources of ambient noise are studied and their masking potentials assessed. With this aim, prediction models for wind-induced vegetation noise and pseudo-noise have been developed. Finally, closely related to the effect of masking, is the difficulty, regularly encountered by local authorities and wind farm developers, to measure noise immission from wind turbines. A new measurement technique has thus been developed in the course of this work. Through improving the signal-to-noise ratio between wind turbine noise and ambient noise, the new technique yields more accurate measurement results.

  11. La persistencia del surrealismo en la arquitectura religiosa española del siglo XX

    Directory of Open Access Journals (Sweden)

    Esteban Fernández Cobián

    2011-07-01

    Full Text Available Este artículo trata de averiguar si el surrealismo —no entendido tanto como estilo artístico, sino como manera compleja de entender la vida— puede postularse como hilo conductor de la arquitectura religiosa del siglo XX en España. Aunque es posible leer la arquitectura católica moderna como un intento de integrar el dogma con las aspiraciones del llamado espíritu de los tiempos, la pérdida de peso que supuso este planteamiento para la arquitectura todavía no se ha esclarecido lo suficiente. La pervivencia de las tradiciones, el diálogo entre la teología y el arte o la crisis de identidad católica tras el Concilio Vaticano II son facetas del intenso —y a veces obsesivo— debate que se desarrolló en España durante el siglo XX. A la postre, se constata que la perenne vena surrealista que subyace en todo lo español impregna también la arquitectura sacra y dificulta su correcta lectura. Se evidencia, finalmente, que la arquitectura religiosa es susceptible de miradas transversales sobre el hecho construido y que abre el campo a nuevas interpretaciones.

  12. Breve historia de los refugiados en Argentina durante el siglo XX

    Directory of Open Access Journals (Sweden)

    María Paula Cicogna

    2009-12-01

    Full Text Available Argentina ha sostenido, desde la letra escrita de la Constitución Nacional, ser un país receptor de inmigración, aunque en los hechos ha demostrado lo contrario. A pesar de ello, durante el siglo XX se instalaron grupos de exiliados, solicitantes de refugio y refugiados de las más diversas nacionalidades. Este artículo mostrará los contingentes que conformaron el mapa multicultural de la Argentina a partir del desarrollo de una cronología creada a en base a los trabajos de investigación que analizaron el establecimiento de las diversas comunidades._________________ABSTRACT:According to National Constitution Argentina has been an open doors country to immigration, although it has demonstrated the opposite. In spite of it, during XX century groups of exiles, asylum seekers and refugees of different nationalities settled in the country. Based in a chronology created from varied researches which analyzed the establishment of the diverse communities this article will show the groups that shape the multicultural map of Argentina.

  13. MUJERES EN LA PIANÍSTICA DEL SIGLO XX EN EL NORESTE MEXICANO

    Directory of Open Access Journals (Sweden)

    Antonina Dragan

    2014-05-01

    Full Text Available Over the centuries in Mexico, such as in many other countries, the traditional role of women has been that of being a housewife and a mother; therefore, they had no access to education. Young women from rich families studied art and music, mostly as entertainment. Music wasn’t considered a profession, there were no music schools, and some academies or private teachers filled that void. In this context, a particular merit is made for those women who took the decision to participate in the social, cultural and political life of the society they belonged to. Their contribution to education, spreading of the musical arts, and specially pianism in the northeast region hasn’t been appreciated enough, despite the great effort, enthusiasm and devotion they demonstrated. This article takes an approach on the role of women within the piano studies during the XX century in the northeast of Mexico from the following questions: Who were the women who made the educational work in the musical and pianistic field in the northeast of Mexico during the XX century? Who were the women who made piano their profession and turned out of a great importance for the dissemination of piano arts and the pianistic repertoire in the region of reference?

  14. TERASING DALAM BUDAYA BARAT DAN TIMUR: POTRET “NYAI” HINDIA BELANDA, ABAD XVII-XX

    Directory of Open Access Journals (Sweden)

    FX. Domini BB Hera

    2014-09-01

    Full Text Available “Nyai” is the concept that refer to native woman (including Chinese and Japanese woman who life without married relationship with European, Chinese, or Arabian man. However the position of “Nyai” is not accepted by foreigner (commonly western society and indigenous people (commonly eastern society, but they have important role in the family and social-culture in Hindia Belanda, XVII-XX. Beside the negative image attaching to “Nyai”, they also have positive side in society life as cultural mediator between western and eastern culture. It is giving a chance for “Nyai” to give any cultural influence from one society or group to another. The study can give the reader a lot of understanding about development of sexuality in Nusantara (The past Indonesia and the point is the study like the basic form to explain the phenomena of unmarried couple today. In short, this study will focus on the image and role of “Nyai” in Hindia Belanda, XVII-XX

  15. Use of error-detection and diagnosis methods in existing buildings - Final report; Einsatz von Fehlerdetektions- und Diagnosemethoden in realen Gebaeuden (IEA Annex 34) - Schlussbericht

    Energy Technology Data Exchange (ETDEWEB)

    Gruber, P.

    2000-10-15

    This report for the Swiss Federal Office of Energy (SFOE) discusses the results of tests made with two expert systems used for error-detection and diagnosis in existing buildings. These expert systems were developed within the framework of the International Energy Agency's (IEA) Annex 25 Project entitled 'Real Time Simulation of Heating, Ventilation and Air-conditioning (HVAC) Systems for Building Optimisation, Fault Detection and Diagnosis'. The aim of using these tools was to help detect planning, installation and commissioning errors. These cannot only affect system performance but also can cause increased energy consumption and a reduction of the working life of the system's components. The tests of the tools took place within the framework of the IEA's Annex 34 'Computer-aided Evaluation of HVAC System Performance: the Practical Application of Fault Detection and Diagnosis Techniques in Real Buildings'. Experience gained with the two tools is presented and discussed. The quality of the results and the use of the systems in practice are discussed and commented on. They strongly differ from one tool to the other.

  16. Supporting technology for enhanced oil recovery: EOR thermal processes. Seventh Amendment and Extension to Annex 4, Enhanced oil recovery thermal processes

    Energy Technology Data Exchange (ETDEWEB)

    Reid, T B [USDOE Bartlesville Project Office, OK (United States); Colonomos, P [INTEVEP, Filial de Petroleos de Venezuela, SA, Caracas (Venezuela)

    1993-02-01

    This report contains the results of efforts under the six tasks of the Seventh Amendment and Extension of Annex IV, Enhanced Oil Recovery Thermal Processes of the Venezuela/USA Agreement. The report is presented in sections (for each of the 6 tasks) and each section contains one or more reports prepared by various individuals or groups describing the results of efforts under each of the tasks. A statement of each task, taken from the agreement, is presented on the first page of each section. The tasks are numbered 50 through 55. The first, second, third, fourth, fifth, sixth and seventh reports on Annex IV, Venezuela MEM/USA-DOE Fossil Energy Report IV-1, IV-2, IV-3, IV-4, IV-5 and IV-6 (DOE/BETC/SP-83/15, DOE/BC-84/6/SP, DOE/BC-86/2/SP, DOE/BC-87/2/SP, DOE/BC-89/l/SP, DOE/BC-90/l/SP, and DOE/BC-92/l/SP) contain the results for the first 49 tasks. Those reports are dated April 1983, August 1984, March 1986, July 1987, November 1988, December 1989, and October 1991, respectively. Each task report has been processed separately for inclusion in the Energy Science and Technology Database.

  17. Interchromosomal insertional translocation at Xq26.3 alters SOX3 expression in an individual with XX male sex reversal.

    Science.gov (United States)

    Haines, Bryan; Hughes, James; Corbett, Mark; Shaw, Marie; Innes, Josie; Patel, Leena; Gecz, Jozef; Clayton-Smith, Jill; Thomas, Paul

    2015-05-01

    46,XX male sex reversal occurs in approximately 1: 20 000 live births and is most commonly caused by interchromosomal translocations of the Y-linked sex-determining gene, SRY. Rearrangements of the closely related SOX3 gene on the X chromosome are also associated with 46,XX male sex reversal. It has been hypothesized that sex reversal in the latter is caused by ectopic expression of SOX3 in the developing urogenital ridge where it triggers male development by acting as an analog of SRY. However, altered regulation of SOX3 in individuals with XX male sex reversal has not been demonstrated. Here we report a boy with SRY-negative XX male sex reversal who was diagnosed at birth with a small phallus, mixed gonads, and borderline-normal T. Molecular characterization of the affected individual was performed using array comparative genomic hybridization, fluorescent in situ hybridization of metaphase chromosomes, whole-genome sequencing, and RT-PCR expression analysis of lymphoblast cell lines. The affected male carries ∼774-kb insertion translocation from chromosome 1 into a human-specific palindromic sequence 82 kb distal to SOX3. Importantly, robust SOX3 expression was identified in cells derived from the affected individual but not from control XX or XY cells, indicating that the translocation has a direct effect on SOX3 regulation. This is the first demonstration of altered SOX3 expression in an individual with XX male sex reversal and suggests that SOX3 can substitute for SRY to initiate male development in humans.

  18. Wind Turbine Technologies

    DEFF Research Database (Denmark)

    Hansen, Anca Daniela

    2017-01-01

    of innovative concepts, with proven technology for both generators and power electronics [4]. The continuously increased and concentrated electrical penetration of large wind turbines into electrical power systems inspires the designers to develop both custom generators and power electronics [5......The wind turbine technology is a very complex technology involving multidisciplinary and broad technical disciplines such as aerodynamics, mechanics, structure dynamics, meteorology as well as electrical engineering addressing the generation, transmission, and integration of wind turbines...... into the power system. Wind turbine technology has matured over the years and become the most promising and reliable renewable energy technology today. It has moved very fast, since the early 1980s, from wind turbines of a few kilowatts to today’s multimegawatt-sized wind turbines [13]. Besides their size...

  19. Offshore Wind Power Data

    DEFF Research Database (Denmark)

    Cutululis, Nicolaos Antonio; Litong-Palima, Marisciel; Zeni, Lorenzo

    2012-01-01

    Wind power development scenarios are critical when trying to assess the impact of the demonstration at national and European level. The work described in this report had several objectives. The main objective was to prepare and deliver the proper input necessary for assessing the impact of Demo 4...... – Storm management at national and European level. For that, detailed scenarios for offshore wind power development by 2020 and 2030 were required. The aggregation level that is suitable for the analysis to be done is at wind farm level. Therefore, the scenarios for offshore wind power development offer...... details about the wind farms such as: capacity and coordinates. Since the focus is on the impact of storm fronts passage in Northen Europe, the offshore wind power scenarios were estimated only for the countries at North and Baltic Sea. The sources used are public sources, mentioned in the reference list...

  20. Danish Wind Power

    DEFF Research Database (Denmark)

    Lund, Henrik; Hvelplund, Frede; Østergaard, Poul Alberg

    In a normal wind year, Danish wind turbines generate the equivalent of approx. 20 percent of the Danish electricity demand. This paper argues that only approx. 1 percent of the wind power production is exported. The rest is used to meet domestic Danish electricity demands. The cost of wind power...... is paid solely by the electricity consumers and the net influence on consumer prices was as low as 1-3 percent on average in the period 2004-2008. In 2008, the net influence even decreased the average consumer price, although only slightly. In Denmark, 20 percent wind power is integrated by using both......, a study made by the Danish think tank CEPOS claimed the opposite, i.e. that most of the Danish wind power has been exported in recent years. However, this claim is based on an incorrect interpretation of statistics and a lack of understanding of how the international electricity markets operate...

  1. Session: Offshore wind

    Energy Technology Data Exchange (ETDEWEB)

    Gaarde, Jette; Ram, Bonnie

    2004-09-01

    This session at the Wind Energy and Birds/Bats workshop consisted of two presentations. Due to time constraints, a discussion period was not possible. The session addressed the current state of offshore wind energy development. The first presentation ''Monitoring Program and Results: Horns Rev and Nysted'' by Jette Gaarde summarized selected environmental studies conducted to date at operating offshore wind turbine projects in Denmark and lessons from other offshore wind developments in Europe. Wildlife impacts studies from the Danish sites focused on birds, fish, and mammals. The second presentation ''What has the U.S. Wind Industry Learned from the European Example'' by Bonnie Ram provided an update on current permit applications for offshore wind developments in the U.S. as well as lessons that may be drawn from the European experience.

  2. SERI Wind Energy Program

    Energy Technology Data Exchange (ETDEWEB)

    Noun, R. J.

    1983-06-01

    The SERI Wind Energy Program manages the areas or innovative research, wind systems analysis, and environmental compatibility for the U.S. Department of Energy. Since 1978, SERI wind program staff have conducted in-house aerodynamic and engineering analyses of novel concepts for wind energy conversion and have managed over 20 subcontracts to determine technical feasibility; the most promising of these concepts is the passive blade cyclic pitch control project. In the area of systems analysis, the SERI program has analyzed the impact of intermittent generation on the reliability of electric utility systems using standard utility planning models. SERI has also conducted methodology assessments. Environmental issues related to television interference and acoustic noise from large wind turbines have been addressed. SERI has identified the causes, effects, and potential control of acoustic noise emissions from large wind turbines.

  3. Wind turbine pitch optimization

    DEFF Research Database (Denmark)

    Biegel, Benjamin; Juelsgaard, Morten; Stoustrup, Jakob

    2011-01-01

    We consider a static wind model for a three-bladed, horizontal-axis, pitch-controlled wind turbine. When placed in a wind field, the turbine experiences several mechanical loads, which generate power but also create structural fatigue. We address the problem of finding blade pitch profiles......% compared to any constant pitch profile while sacrificing at most 7% of the maximum attainable output power. Using iterative learning, we show that very similar performance can be achieved by using only load measurements, with no knowledge of the wind field or wind turbine model....... for maximizing power production while simultaneously minimizing fatigue loads. In this paper, we show how this problem can be approximately solved using convex optimization. When there is full knowledge of the wind field, numerical simulations show that force and torque RMS variation can be reduced by over 96...

  4. Wind turbine state estimation

    DEFF Research Database (Denmark)

    Knudsen, Torben

    2014-01-01

    Dynamic inflow is an effect which is normally not included in the models used for wind turbine control design. Therefore, potential improvement from including this effect exists. The objective in this project is to improve the methods previously developed for this and especially to verify...... the results using full-scale wind turbine data. The previously developed methods were based on extended Kalman filtering. This method has several drawback compared to unscented Kalman filtering which has therefore been developed. The unscented Kalman filter was first tested on linear and non-linear test cases...... which was successful. Then the estimation of a wind turbine state including dynamic inflow was tested on a simulated NREL 5MW turbine was performed. This worked perfectly with wind speeds from low to nominal wind speed as the output prediction errors where white. In high wind where the pitch actuator...

  5. Increased basal and pulsatile secretion of FSH and LH in young men with 47,XXY or 46,XX karyotypes

    DEFF Research Database (Denmark)

    Aksglaede, L.; Jensen, Rikke Bodin Beck; Carlsen, E.

    2008-01-01

    testicular failure due to supernumerary X chromosomes. DESIGN: Cross-sectional study. METHODS: In this study, 7 untreated patients with primary gonadal insufficiency due to SRY-positive 46,XX (n=4) and 46,XXY karyotypes (n=3) aged 18.8 years and 25 age-matched healthy controls participated. Reproductive...... basal, pulsatile, and total LH and FSH secretion were associated with significantly more LH peaks per 24 h in comparison with healthy controls. Thus, our data indicate that in patients with Klinefelter syndrome and XX male karyotypes the entire hypothalamic-pituitary-gonadal axis has undergone...

  6. SU-E-T-778: Use of the 2D MatriXX Detector for Measuring Scanned Ion Beam Parameters

    Energy Technology Data Exchange (ETDEWEB)

    Anvar, M Varasteh; Monaco, V; Sacchi, R; Guarachi, L Fanola; Cirio, R [Istituto Nazionale di Fisica Nucleare (INFN), Division of Turin, TO (Italy); University of Torino, Turin, TO (Italy); Giordanengo, S; Marchetto, F; Vignati, A [Istituto Nazionale di Fisica Nucleare (INFN), Division of Turin, TO (Italy); Donetti, M [Istituto Nazionale di Fisica Nucleare (INFN), Division of Turin, TO (Italy); Centro Nazionale di Adroterapia Oncologica (CNAO), Pavia, PV (Italy); Ciocca, M; Panizza, D [Centro Nazionale di Adroterapia Oncologica (CNAO), Pavia, PV (Italy)

    2015-06-15

    Purpose: The quality assurance (QA) procedure has to check the most relevant beam parameters to ensure the delivery of the correct dose to patients. Film dosimetry, which is commonly used for scanned ion beam QA, does not provide immediate results. The purpose of this work is to answer whether, for scanned ion beam therapy, film dosimetry can be replaced with the 2D MatriXX detector as a real-time tool. Methods: MatriXX, equipped with 32×32 parallel plate ion-chambers, is a commercial device intended for pre-treatment verification of conventional radiation therapy.The MatriXX, placed at the isocenter, and GAFCHROMIC films, positioned on the MatriXX entrance, were exposed to 131.44 MeV proton and 221.45 MeV/u Carbon-ion beams.The OmniPro-I’mRT software, applied for the data taking of MatriXX, gives the possibility of acquiring consecutive snapshots. Using the NI LabVIEW, the data from snapshots were logged as text files for further analysis. Radiochromic films were scanned with EPSON scanner and analyzed using software programs developed in-house for comparative purposes. Results: The field dose uniformity, flatness, beam position and beam width were investigated. The field flatness for the region covering 6×6 cm{sup 2} square field was found to be better than 2%. The relative standard deviations, expected to be constant over 2×2, 4×4 and 6×6 pixels from MatriXX measurement gives a uniformity of 1.5% in good agreement with the film results.The beam center position is determined with a resolution better than 200 µm for Carbon and less than 100 µm for proton beam.The FWHM determination for a beam wider than 10 mm is satisfactory, whilst for smaller beams the determination is uncertain. Conclusion: Precise beam position and fast 2D dose distribution can be determined in real-time using MatriXX detector. The results show that MatriXX is quick and accurate enough to be used in charged-particle therapy QA.

  7. Mujeres ecuatorianas: panorama de sus situaciones y perspectivas a finales del siglo XX y principios del siglo XXI

    OpenAIRE

    Cruz Zúñiga, Pilar

    2006-01-01

    En este artículo se presentan las distintas situaciones que enfrentan las mujeres ecuatorianas a finales del siglo XX y comienzos del XXI. El punto de partida es la consideración de las fracturas que caracterizan y construyen la personalidad del Ecuador, This article presents different situations that Ecuadorian women face at the end of XX and beginning of XXI century. The starting point is the consideration of the cracks that characterize and construct the personality of Ecuador such as r...

  8. Research on wind energy

    CSIR Research Space (South Africa)

    Szewczuk, S

    2012-10-01

    Full Text Available 4th Biennial Conference Presented by: Stefan Szewczuk Date: 10 October 2012 ? Based on its aerospace capabilities, CSIR demonstrated in 1986 on its Pretoria campus that a worthwhile amount of energy can be extracted from the wind in regions... turbines Howden?s 300 kW wind turbine on Orkney Island, Scotland ? Further CSIR?s aerospace technology demonstrators formed basis to investigate wind turbines ? CSIR was offered Howdens 300 & 750 kW turbines on Orkney & Shetland Islands...

  9. Enabling Wind Power Nationwide

    Energy Technology Data Exchange (ETDEWEB)

    Jose Zayas, Michael Derby, Patrick Gilman and Shreyas Ananthan,

    2015-05-01

    Leveraging this experience, the U.S. Department of Energy’s (DOE’s) Wind and Water Power Technologies Office has evaluated the potential for wind power to generate electricity in all 50 states. This report analyzes and quantifies the geographic expansion that could be enabled by accessing higher above ground heights for wind turbines and considers the means by which this new potential could be responsibly developed.

  10. Wind and Yaw correlation

    DEFF Research Database (Denmark)

    Kock, Carsten Weber; Vesth, Allan

    The report describes measurements carried out on a given wind turbine. A comparison between wind speed on the metmast and Nacelle Windspeed are made and the results are presented on graphs and in a table. The data used for the comparison are identical with the data used for the Risø-I-3246(EN......) power curve report. The measurements are carried out in accordance to Ref. [1] and the wind and yaw correlation is analyzed in accordance to Ref. [2]....

  11. Wind Turbine Blade Design

    OpenAIRE

    Peter J. Schubel; Richard J. Crossley

    2012-01-01

    A detailed review of the current state-of-art for wind turbine blade design is presented, including theoretical maximum efficiency, propulsion, practical efficiency, HAWT blade design, and blade loads. The review provides a complete picture of wind turbine blade design and shows the dominance of modern turbines almost exclusive use of horizontal axis rotors. The aerodynamic design principles for a modern wind turbine blade are detailed, including blade plan shape/quantity, aerofoil selection ...

  12. Annexes (tableaux, cartes; graphiques)

    OpenAIRE

    2013-01-01

    PREMIÈRE PARTIE. UN BILAN : L'ÉCONOMIE AGRICOLE ET LA SOCIÉTÉ PAYSANNE TRADITIONNELLES VERS 1860 CHAPITRE I. L'AGRICULTURE LE VAUCLUSE PHYSIQUE 1852 SUPERFICIES CULTIVÉES % ha SRU TABLEAU DES ÉLÉMENTS D'ANALYSE DES ASSOCIATIONS CULTURALES EN VAUCLUSE VERS 1860 (SOURCES : ENQUÊTE AGRICOLE DE 1852) ASSOCIATIONS CULTURALES 1961 CHAPITRE II. POPULATIONPAYSANNE 1861 POPULATION DENSITÉ ET DISPERSION POPULATION DENSITÉ 1861 POPULATION IMPORTANCE, CONCENTRATION, DISPERSION 1981 TYPES DE STRUCT...

  13. National Response Framework: Annexes

    Science.gov (United States)

    2008-01-01

    operations. y USACE Operations Center ( UOC ): The UOC coordinates the activation and deployment of national DOD/USACE teams and resources. Regional...mission execution. ACTIONS Headquarters Upon activation of ESF #3: y The UOC : y Notifies the Assistant Secretary of Defense for Homeland Defense...Operations Center and the appropriate combatant command. y The USACE ESF #3 Team Leader is designated and deployed to the NRCC. y The UOC coordinates

  14. 7. Annex II: Maps

    OpenAIRE

    Aeberli, Annina

    2012-01-01

    Map 1: States of South Sudan UN OCHA (2012) Republic of South Sudan – States, as of 15 July 2012, Reliefweb http://reliefweb.int/map/south-sudan-republic/republic-south-sudan-states-15-july-2012-reference-map, accessed 31 July 2012. Map 2: Counties of South Sudan UN OCHA (2012) Republic of South Sudan – Counties, as of 16 July 2012, Reliefweb http://reliefweb.int/map/south-sudan-republic/republic-south-sudan-counties-16-july-2012-reference-map, accessed 31 July 2012. Map 3: Eastern Equato...

  15. Annexe 1. Figures

    OpenAIRE

    2014-01-01

    Figure 1. — Carte générale de Colombie Figure 2. — Le Nouveau Royaume de Grenade Figure 3. — Nouvelle Grenade — Région centre Figure 4. — Nouvelle Grenade — Région nord Figure 5. — Nouvelle Grenade — Région sud-ouest Figure 6. — Schéma-organigramme des relations établies entre les institutions chargées de l’implantation de la foi dans le Nouveau Monde, (tiré de Enrique Düssel, Historia de la Iglesia en América Latina, Bogotá, Universidad Santo Tomás, 1984, p. 89)....

  16. Wind Energy Facilities

    Energy Technology Data Exchange (ETDEWEB)

    Office of Energy Efficiency and Renewable Energy

    2017-02-01

    This book takes readers inside the places where daily discoveries shape the next generation of wind power systems. Energy Department laboratory facilities span the United States and offer wind research capabilities to meet industry needs. The facilities described in this book make it possible for industry players to increase reliability, improve efficiency, and reduce the cost of wind energy -- one discovery at a time. Whether you require blade testing or resource characterization, grid integration or high-performance computing, Department of Energy laboratory facilities offer a variety of capabilities to meet your wind research needs.

  17. Wind Turbine Blade Design

    Directory of Open Access Journals (Sweden)

    Richard J. Crossley

    2012-09-01

    Full Text Available A detailed review of the current state-of-art for wind turbine blade design is presented, including theoretical maximum efficiency, propulsion, practical efficiency, HAWT blade design, and blade loads. The review provides a complete picture of wind turbine blade design and shows the dominance of modern turbines almost exclusive use of horizontal axis rotors. The aerodynamic design principles for a modern wind turbine blade are detailed, including blade plan shape/quantity, aerofoil selection and optimal attack angles. A detailed review of design loads on wind turbine blades is offered, describing aerodynamic, gravitational, centrifugal, gyroscopic and operational conditions.

  18. South Baltic Wind Atlas

    DEFF Research Database (Denmark)

    Pena Diaz, Alfredo; Hahmann, Andrea N.; Hasager, Charlotte Bay

    A first version of a wind atlas for the South Baltic Sea has been developed using the WRF mesoscale model and verified by data from tall Danish and German masts. Six different boundary-layer parametrization schemes were evaluated by comparing the WRF results to the observed wind profiles at the m......A first version of a wind atlas for the South Baltic Sea has been developed using the WRF mesoscale model and verified by data from tall Danish and German masts. Six different boundary-layer parametrization schemes were evaluated by comparing the WRF results to the observed wind profiles...

  19. Wind power prediction models

    Science.gov (United States)

    Levy, R.; Mcginness, H.

    1976-01-01

    Investigations were performed to predict the power available from the wind at the Goldstone, California, antenna site complex. The background for power prediction was derived from a statistical evaluation of available wind speed data records at this location and at nearby locations similarly situated within the Mojave desert. In addition to a model for power prediction over relatively long periods of time, an interim simulation model that produces sample wind speeds is described. The interim model furnishes uncorrelated sample speeds at hourly intervals that reproduce the statistical wind distribution at Goldstone. A stochastic simulation model to provide speed samples representative of both the statistical speed distributions and correlations is also discussed.

  20. Vertical axis wind turbines

    Science.gov (United States)

    Krivcov, Vladimir [Miass, RU; Krivospitski, Vladimir [Miass, RU; Maksimov, Vasili [Miass, RU; Halstead, Richard [Rohnert Park, CA; Grahov, Jurij [Miass, RU

    2011-03-08

    A vertical axis wind turbine is described. The wind turbine can include a top ring, a middle ring and a lower ring, wherein a plurality of vertical airfoils are disposed between the rings. For example, three vertical airfoils can be attached between the upper ring and the middle ring. In addition, three more vertical airfoils can be attached between the lower ring and the middle ring. When wind contacts the vertically arranged airfoils the rings begin to spin. By connecting the rings to a center pole which spins an alternator, electricity can be generated from wind.

  1. Offshore Wind Energy

    Energy Technology Data Exchange (ETDEWEB)

    Strach-Sonsalla, Mareike; Stammler, Matthias; Wenske, Jan; Jonkman, Jason; Vorpahl, Fabian

    2016-07-27

    In 1991, the Vindeby Offshore Wind Farm, the first offshore wind farm in the world, started feeding electricity to the grid off the coast of Lolland, Denmark. Since then, offshore wind energy has developed from this early experiment to a multibillion dollar market and an important pillar of worldwide renewable energy production. Unit sizes grew from 450 kW at Vindeby to the 7.5 MW-class offshore wind turbines (OWT ) that are currently (by October 2014) in the prototyping phase. This chapter gives an overview of the state of the art in offshore wind turbine (OWT) technology and introduces the principles of modeling and simulating an OWT. The OWT components -- including the rotor, nacelle, support structure, control system, and power electronics -- are introduced, and current technological challenges are presented. The OWT system dynamics and the environment (wind and ocean waves) are described from the perspective of OWT modelers and designers. Finally, an outlook on future technology is provided. The descriptions in this chapter are focused on a single OWT -- more precisely, a horizontal-axis wind turbine -- as a dynamic system. Offshore wind farms and wind farm effects are not described in detail in this chapter, but an introduction and further references are given.

  2. Urban Wind Energy

    OpenAIRE

    Beller, Christina

    2011-01-01

    New trends e.g. in architecture and urban planning are to reduce energy needs. Several technologies are employed to achieve this, and one of the technologies, not new as such, is wind energy. Wind turbines are installed in cities, both by companies and private persons on both old and new buildings. However, an overview of the energy content of the wind in cities and how consequently turbines shall be designed for such wind climates is lacking. The objective of the present work is to deliver a...

  3. Microsystem Aeromechanics Wind Tunnel

    Data.gov (United States)

    Federal Laboratory Consortium — The Microsystem Aeromechanics Wind Tunnel advances the study of fundamental flow physics relevant to micro air vehicle (MAV) flight and assesses vehicle performance...

  4. Wind Power in Georgia

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-11-01

    Georgia has good wind power potential. Preliminary analyses show that the technical wind power potential in Georgia is good. Meteorological data shows that Georgia has four main areas in Georgia with annual average wind speeds of over 6 m/s and two main areas with 5-6 m/s at 80m. The most promising areas are the high mountain zone of the Great Caucasus, The Kura river valley, The South-Georgian highland and the Southern part of the Georgian Black Sea coast. Czech company Wind Energy Invest has recently signed a Memorandum of Understanding with Georgian authorities for development of the first wind farm in Georgia, a 50MW wind park in Paravani, Southern Georgia, to be completed in 2014. Annual generation is estimated to 170.00 GWh and the investment estimated to 101 million US$. Wind power is suited to balance hydropower in the Georgian electricity sector Electricity generation in Georgia is dominated by hydro power, constituting 88% of total generation in 2009. Limited storage capacity and significant spring and summer peaks in river flows result in an uneven annual generation profile and winter time shortages that are covered by three gas power plants. Wind power is a carbon-free energy source well suited to balance hydropower, as it is available (often strongest) in the winter and can be exported when there is a surplus. Another advantage with wind power is the lead time for the projects; the time from site selection to operation for a wind power park (approximately 2.5 years) is much shorter than for hydro power (often 6-8 years). There is no support system or scheme for renewable sources in Georgia, so wind power has to compete directly with other energy sources and is in most cases more expensive to build than hydro power. In a country and region with rapidly increasing energy demands, the factors described above nevertheless indicate that there is a commercial niche and a role to play for Georgian wind power. Skra: An example of a wind power development

  5. Wind turbulence characterization for wind energy development

    Energy Technology Data Exchange (ETDEWEB)

    Wendell, L.L.; Gower, G.L.; Morris, V.R.; Tomich, S.D.

    1991-09-01

    As part of its support of the US Department of Energy's (DOE's) Federal Wind Energy Program, the Pacific Northwest Laboratory (PNL) has initiated an effort to work jointly with the wind energy community to characterize wind turbulence in a variety of complex terrains at existing or potential sites of wind turbine installation. Five turbulence characterization systems were assembled and installed at four sites in the Tehachapi Pass in California, and one in the Green Mountains near Manchester, Vermont. Data processing and analyses techniques were developed to allow observational analyses of the turbulent structure; this analysis complements the more traditional statistical and spectral analyses. Preliminary results of the observational analyses, in the rotating framework or a wind turbine blade, show that the turbulence at a site can have two major components: (1) engulfing eddies larger than the rotor, and (2) fluctuating shear due to eddies smaller than the rotor disk. Comparison of the time series depicting these quantities at two sites showed that the turbulence intensity (the commonly used descriptor of turbulence) did not adequately characterize the turbulence at these sites. 9 refs., 10 figs.,

  6. Wind resource estimation and siting of wind turbines

    DEFF Research Database (Denmark)

    Lundtang Petersen, Erik; Mortensen, N.G.; Landberg, L.

    1994-01-01

    Detailed knowledge of the characteristics of the natural wind is necessary for the design, planning and operational aspect of wind energy systems. Here, we shall only be concerned with those meteorological aspects of wind energy planning that are termed wind resource estimation. The estimation...... of the wind resource ranges from the overall estimation of the mean energy content of the wind over a large area - called regional assessment - to the prediction of the average yearly energy production of a specific wind turbine at a specific location - called siting. A regional assessment will most often...... lead to a so-called wind atlas. A precise prediction of the wind speed at a given site is essential because for aerodynamic reasons the power output of a wind turbine is proportional to the third power of the wind speed, hence even small errors in prediction of wind speed may result in large deviations...

  7. Wind Power Today: (2002) Wind Energy Research Highlights

    Energy Technology Data Exchange (ETDEWEB)

    2003-05-01

    Wind Power Today is an annual publication that provides an overview of the wind research conducted under the U.S. Department of Energy's Wind and Hydropower Technologies Program. The purpose of Wind Power Today is to show how DOE supports wind turbine research and deployment in hopes of furthering the advancement of wind technologies that produce clean, low-cost, reliable energy. Content objectives include: educate readers about the advantages and potential for widespread deployment of wind energy; explain the program's objectives and goals; describe the program's accomplishments in research and application; examine the barriers to widespread deployment; describe the benefits of continued research and development; facilitate technology transfer; and attract cooperative wind energy projects with industry. This 2002 edition of Wind Power Today also includes discussions about wind industry growth in 2002, how DOE is taking advantage of low wind speed regions through advancing technology, and distributed applications for small wind turbines.

  8. Sensing the wind profile

    Energy Technology Data Exchange (ETDEWEB)

    Pena, A.

    2009-03-15

    This thesis consists of two parts. The first is a synopsis of the theoretical progress of the study that is based on a number of journal papers. The papers, which constitute the second part of the report, aim to analyze, measure, and model the wind prole in and beyond the surface layer by combining observations from cup anemometers with lidars. The lidar is necessary to extend the measurements on masts at the Horns Rev offshore wind farm and over at land at Hoevsoere, Denmark. Both sensing techniques show a high degree of agreement for wind speed measurements performed at either sites. The wind speed measurements are averaged for several stability conditions and compare well with the surface-layer wind profile. At Hoevsoere, it is sufficient to scale the wind speed with the surface friction velocity, whereas at Horns Rev a new scaling is added, due to the variant roughness length. This new scaling is coupled to wind prole models derived for flow over the sea and tested against the wind proles up to 160 m at Horns Rev. The models, which account for the boundary-layer height in stable conditions, show better agreement with the measurements than compared to the traditional theory. Mixing-length parameterizations for the neutral wind prole compare well with length-scale measurements up to 300 m at Hoevsoere and 950 m at Leipzig. The mixing-length-derived wind proles strongly deviate from the logarithmic wind prole, but agree better with the wind speed measurements. The length-scale measurements are compared to the length scale derived from a spectral analysis performed up to 160 m at Hoevsoere showing high agreement. Mixing-length parameterizations are corrected to account for stability and used to derive wind prole models. These compared better to wind speed measurements up to 300 m at Hoevsoere than the surface-layer wind prole. The boundary-layer height is derived in nearneutral and stable conditions based on turbulent momentum uxes only and in unstable conditions

  9. Wind Braking of Magnetars

    Science.gov (United States)

    Tong, H.; Xu, R. X.; Song, L. M.; Qiao, G. J.

    2013-05-01

    We explore the wind braking of magnetars considering recent observations challenging the traditional magnetar model. There is evidence for strong multipole magnetic fields in active magnetars, but the dipole field inferred from spin-down measurements may be strongly biased by particle wind. Recent observations challenging the traditional model of magnetars may be explained naturally by the wind braking scenario: (1) the supernova energies of magnetars are of normal value; (2) the non-detection in Fermi observations of magnetars; (3) the problem posed by low magnetic field soft gamma-ray repeaters; (4) the relation between magnetars and high magnetic field pulsars; and (5) a decreasing period derivative during magnetar outbursts. Transient magnetars with L_x{<}-\\dot{E}_rot may still be magnetic dipole braking. This may explain why low luminosity magnetars are more likely to have radio emissions. A strong reduction of the dipole magnetic field is possible only when the particle wind is very collimated at the star surface. A small reduction of the dipole magnetic field may result from detailed considerations of magnetar wind luminosity. In the wind braking scenario, magnetars are neutron stars with a strong multipole field. For some sources, a strong dipole field may no longer be needed. A magnetism-powered pulsar wind nebula will be one of the consequences of wind braking. For a magnetism-powered pulsar wind nebula, we should see a correlation between the nebula luminosity and the magnetar luminosity. Under the wind braking scenario, a braking index smaller than three is expected. Future braking index measurement of a magnetar may tell us whether magnetars are wind braking or magnetic dipole braking.

  10. Selective blockade of leukotriene production by a single dose of the FPL 64170XX 0.5% enema in active ulcerative colitis

    DEFF Research Database (Denmark)

    Kjeldsen, J; Laursen, L S; Hillingsø, Jens

    1995-01-01

    5-Lipoxygenase products of arachidonic acid metabolism are thought to play a central role in the secondary amplification of the inflammatory response of several inflammatory diseases, including ulcerative colitis. FPL 64170XX is a selective inhibitor of the enzyme 5-lipoxygenase. Concentrations...... containing 0.5% of FPL 64170XX. Repeated measures analysis of leukotriene B4, after adjusting for baseline, showed a significant treatment effect (P = 0.0014). The concentration of leukotriene B4 from rectal dialysates in patients receiving the active drug dropped to 15% (95% confidence interval 5......-40%) of the placebo level in the second dialysis following administration of FPL 64170XX 0.5%. By contrast, prostaglanding E2 concentrations doubled (P = 0.0068) in patients receiving FPL 64170XX 0.5% with no change in the placebo group. These findings demonstrate that a single dose of FPL 64170XX 0.5% enema...

  11. La población con discapacidad en los censos del siglo XX en Costa Rica

    Directory of Open Access Journals (Sweden)

    Mariana Campos

    2013-07-01

    Full Text Available RESUMENEn este trabajo se logró conocer los criterios de clasificación empleados para definir a la población con discapacidad en los registros censales del siglo XX en Costa Rica y, por consiguiente, una aproximación a las formulaciones conceptuales para referirse al grupo en estudio. Además, se caracterizó a ese segmento poblacional a partir de diferentes variables: sexo, edad, estado civil y distribución geográfica. También se abordaron otros aspectos como fueron: alfabetismo, nivel de educación, ocupación, jefatura de hogar y vivienda. Entre los hallazgos más destacables se encuentra la permanencia, en los registros censales del siglo XX, de un concepto de discapacidad basado en la deficiencia, lo que definió los criterios de clasificación para esa población en esas fuentes. Asimismo se constató, por una parte, la asociación entre discapacidad e inequidad en esa centuria y, por la otra, la fragilidad de los vínculos de parentesco en ese grupo poblacional con respecto al conjunto de hogares de Costa Rica a fines de ese siglo. Las fuentes empleadas en esta investigación fueron los censos de población de Costa Rica del siglo XX. En el procedimiento con los datos, se llevó a cabo un análisis descriptivo de distribución de frecuencias. ABSTRACTThis research discloses the classification criteria used to define the population with disability in the twentieth century census records in Costa Rica and therefore gives an approximation of the conceptual formulations needed to refer to the examined group. Additionally, a segment of the population has been characterized by sex, age, marital status and geographical distribution. Other aspects like literacy rate, education level, occupation, head of household and housing were also dealt with. The disability concept based on deficiency, which defined the classification criteria for the population in those data sources, is among the most significant findings of this research. Furthermore

  12. Wind power integration : From individual wind turbine to wind park as a power plant

    NARCIS (Netherlands)

    Zhou, Y.

    2009-01-01

    As power capacities of single wind turbine, single wind park and total wind power installation are continuously increasing, the wind power begins to challenge the safety operation of the power system. This thesis focuses on the grid integration aspects such as the dynamic behaviours of wind power

  13. Wind speed dynamical model in a wind farm

    DEFF Research Database (Denmark)

    Soleimanzadeh, Maryam; Wisniewski, Rafal

    2010-01-01

    This paper presents a model for wind speed in a wind farm. The basic purpose of the paper is to calculate approximately the wind speed in the vicinity of each wind turbine in a farm. In this regard the governing equations of flow will be solved for the whole wind farm. In ideal circumstances......, the dynamic model for wind flow will be established. The state space variables are determined based on a fine mesh defined for the farm. The end goal of this method is to assist the development of a dynamical model of a wind farm that can be engaged for better wind farm control strategies....

  14. Fort Carson Wind Resource Assessment

    Energy Technology Data Exchange (ETDEWEB)

    Robichaud, R.

    2012-10-01

    This report focuses on the wind resource assessment, the estimated energy production of wind turbines, and economic potential of a wind turbine project on a ridge in the southeastern portion of the Fort Carson Army base.

  15. High-efficiency wind turbine

    Science.gov (United States)

    Hein, L. A.; Myers, W. N.

    1980-01-01

    Vertical axis wind turbine incorporates several unique features to extract more energy from wind increasing efficiency 20% over conventional propeller driven units. System also features devices that utilize solar energy or chimney effluents during periods of no wind.

  16. Type IV Wind Turbine Model

    DEFF Research Database (Denmark)

    Hansen, Anca Daniela; Margaris, Ioannis D.

    project to be incorporated in the wind power plant level. This document describes the Type 4 wind turbine simulation model, implemented in the EaseWind project. The implemented wind turbine model is one of the initial necessary steps toward integrating new control services in the wind power plant level....... In the project, this wind turbine model will be further incorporated in a wind power plant model together with the implementation in the wind power control level of the new control functionalities (inertial response, synchronising power and power system damping). For this purpose an aggregate wind power plant...... (WPP) will be considered. The aggregate WPP model, which will be based on the upscaling of the individual wind turbine model on the electrical part, will make use of an equivalent wind speed. The implemented model follows the basic structure of the generic standard Type 4 wind turbine model proposed...

  17. Emerging wind energy technologies

    DEFF Research Database (Denmark)

    Rasmussen, Flemming; Grivel, Jean-Claude; Faber, Michael Havbro

    2014-01-01

    This chapter will discuss emerging technologies that are expected to continue the development of the wind sector to embrace new markets and to become even more competitive.......This chapter will discuss emerging technologies that are expected to continue the development of the wind sector to embrace new markets and to become even more competitive....

  18. Nova Scotia wind atlas

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-07-01

    In order to stimulate growth of the wind energy sector in the province of Nova Scotia and to optimize the development of an important renewable energy source in the province, the Nova Scotia Department of Energy has launched the Nova Scotia wind atlas project. The atlas provides valuable information regarding the identification of the optimal locations to install wind farm turbines, both at the large utility scale level and at the private or small business levels. This article presented information on the wind atlas website and on wind resource maps. Background information on the project was presented. The wind resource maps were developed in partnership by the K.C, Irving Chair in Sustainable Development at Moncton University and the Applied Geomatics Research Group at the Nova Scotia Community College. The wind resource maps are available for viewing on the website where users can click on tile section to obtain enlarged versions of wind resource maps for different parts of the province of Nova Scotia. The maps were developed using computer modelling. 7 figs.

  19. Small Wind Information (Postcard)

    Energy Technology Data Exchange (ETDEWEB)

    2011-08-01

    The U.S. Department of Energy's Wind Powering America initiative maintains a website section devoted to information about small wind turbines for homeowners, ranchers, and small businesses. This postcard is a marketing piece that stakeholders can provide to interested parties; it will guide them to this online resource.

  20. Wind Energy Systems.

    Science.gov (United States)

    Conservation and Renewable Energy Inquiry and Referral Service (DOE), Silver Spring, MD.

    During the 1920s and 1930s, millions of wind energy systems were used on farms and other locations far from utility lines. However, with passage of the Rural Electrification Act in 1939, cheap electricity was brought to rural areas. After that, the use of wind machines dramatically declined. Recently, the rapid rise in fuel prices has led to a…

  1. Wind Farm Wake

    DEFF Research Database (Denmark)

    Hasager, Charlotte Bay; Karagali, Ioanna; Volker, Patrick

    2017-01-01

    On 25 January 2016 at 12:45 UTC several photographs of the offshore wind farm Horns Rev 2 were taken by helicopter pilot Gitte Lundorff with an iPhone. A very shallow layer of fog covered the sea. The photos of the fog over the sea dramatically pictured the offshore wind farm wake. Researchers got...

  2. Alcoa wind turbines

    Science.gov (United States)

    Ai, D. K.

    1979-01-01

    An overview of Alcoa's wind energy program is given with emphasis on the the development of a low cost, reliable Darrieus Vertical Axis Wind Turbine System. The design layouts and drawings for fabrication are now complete, while fabrication and installation to utilize the design are expected to begin shortly.

  3. Aerodynamics of wind turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its third edition, it has been substantially updated with respect to structural dynamics and control. The new control chapter now includes details on how to design...

  4. Wind Turbines Wake Aerodynamics

    DEFF Research Database (Denmark)

    Vermeer, L.; Sørensen, Jens Nørkær; Crespo, A.

    2003-01-01

    The aerodynamics of horizontal axis wind turbine wakes is studied. The contents is directed towards the physics of power extraction by wind turbines and reviews both the near and the far wake region. For the near wake, the survey is restricted to uniform, steady and parallel flow conditions...

  5. Aerodynamics of Wind Turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its second edition, it has been entirely updated and substantially extended to reflect advances in technology, research into rotor aerodynamics and the structural...

  6. Offshore Wind Power

    DEFF Research Database (Denmark)

    Negra, Nicola Barberis

    The aim of the project is to investigate the influence of wind farms on the reliability of power systems. This task is particularly important for large offshore wind farms, because failure of a large wind farm might have significant influence on the balance of the power system, and because offshore...... Carlo simulation is used for these calculations: this method, in spite of an extended computation time, has shown flexibility in performing reliability studies, especially in case of wind generation, and a broad range of results which can be evaluated. The modelling is then extended to the entire power...... system considering conventional power plants, distributed generation based on wind energy and CHP technology as well as the load and transmission facilities. In particular, the different models are used to represent two well-known test systems, the RBTS and the IEEE-RTS, and to calculate...

  7. Wind power forecast

    Energy Technology Data Exchange (ETDEWEB)

    Pestana, Rui [Rede Electrica Nacional (REN), S.A., Lisboa (Portugal). Dept. Systems and Development System Operator; Trancoso, Ana Rosa; Delgado Domingos, Jose [Univ. Tecnica de Lisboa (Portugal). Seccao de Ambiente e Energia

    2012-07-01

    Accurate wind power forecast are needed to reduce integration costs in the electric grid caused by wind inherent variability. Currently, Portugal has a significant wind power penetration level and consequently the need to have reliable wind power forecasts at different temporal scales, including localized events such as ramps. This paper provides an overview of the methodologies used by REN to forecast wind power at national level, based on statistical and probabilistic combinations of NWP and measured data with the aim of improving accuracy of pure NWP. Results show that significant improvement can be achieved with statistical combination with persistence in the short-term and with probabilistic combination in the medium-term. NWP are also able to detect ramp events with 3 day notice to the operational planning. (orig.)

  8. Urban Wind Energy

    DEFF Research Database (Denmark)

    Beller, Christina

    New trends e.g. in architecture and urban planning are to reduce energy needs. Several technologies are employed to achieve this, and one of the technologies, not new as such, is wind energy. Wind turbines are installed in cities, both by companies and private persons on both old and new buildings....... However, an overview of the energy content of the wind in cities and how consequently turbines shall be designed for such wind climates is lacking. The objective of the present work is to deliver an objective and fundamental overview of the social, practical and physical conditions relevant...... for the installation of wind turbines in cities, with Copenhagen, DK, as example. Focus is taken on turbine with a swept area of maximum 5m2, since turbines of this size are relatively easy to be integrated in the urban space and are in the financial range for small companies as well as for private persons. Elements...

  9. Aerodynamics of Wind Turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    Momentum method is also covered, as are eigenmodes and the dynamic behavior of a turbine. The new material includes a description of the effects of the dynamics and how this can be modeled in an aeroelastic code, which is widely used in the design and verification of modern wind turbines. Further......Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its second edition, it has been entirely updated and substantially extended to reflect advances in technology, research into rotor aerodynamics and the structural...... response of the wind turbine structure. Topics covered include increasing mass flow through the turbine, performance at low and high wind speeds, assessment of the extreme conditions under which the turbine will perform and the theory for calculating the lifetime of the turbine. The classical Blade Element...

  10. Aeroservoelasticity of Wind Turbines

    DEFF Research Database (Denmark)

    Kallesøe, Bjarne Skovmose

    2007-01-01

    This thesis deals with the fundamental aeroelastic interaction between structural motion, Pitch action and control for a wind turbine blade. As wind turbines become larger, the interaction between pitch action, blade motion, aerodynamic forces, and control become even more important to understand...... to a 2D blade section model, and it can be used instead of this in many applications, giving a transparent connection to a real wind turbine blade. In this work the aeroelastic blade model is used to analyze interaction between pitch action, blade motion and wind speed variations. Furthermore the model...... conditions. So, a new aeroelastic blade model has been derived, which includes important features of large wind turbines, yet simple enough to be suitable for analytical analysis and control design....

  11. Insuring wind energy production

    Science.gov (United States)

    D'Amico, Guglielmo; Petroni, Filippo; Prattico, Flavio

    2017-02-01

    This paper presents an insurance contract that the supplier of wind energy may subscribe in order to immunize the production of electricity against the volatility of the wind speed process. The other party of the contract may be any dispatchable energy producer, like gas turbine or hydroelectric generator, which can supply the required energy in case of little or no wind. The adoption of a stochastic wind speed model allows the computation of the fair premium that the wind power supplier has to pay in order to hedge the risk of inadequate output of electricity at any time. Recursive type equations are obtained for the prospective mathematical reserves of the insurance contract and for their higher order moments. The model and the validity of the results are illustrated through a numerical example.

  12. Aerodynamics of Wind Turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its second edition, it has been entirely updated and substantially extended to reflect advances in technology, research into rotor aerodynamics and the structural...... response of the wind turbine structure. Topics covered include increasing mass flow through the turbine, performance at low and high wind speeds, assessment of the extreme conditions under which the turbine will perform and the theory for calculating the lifetime of the turbine. The classical Blade Element...... Momentum method is also covered, as are eigenmodes and the dynamic behavior of a turbine. The new material includes a description of the effects of the dynamics and how this can be modeled in an aeroelastic code, which is widely used in the design and verification of modern wind turbines. Further...

  13. Illinois Wind Workers Group

    Energy Technology Data Exchange (ETDEWEB)

    David G. Loomis

    2012-05-28

    The Illinois Wind Working Group (IWWG) was founded in 2006 with about 15 members. It has grown to over 200 members today representing all aspects of the wind industry across the State of Illinois. In 2008, the IWWG developed a strategic plan to give direction to the group and its activities. The strategic plan identifies ways to address critical market barriers to the further penetration of wind. The key to addressing these market barriers is public education and outreach. Since Illinois has a restructured electricity market, utilities no longer have a strong control over the addition of new capacity within the state. Instead, market acceptance depends on willing landowners to lease land and willing county officials to site wind farms. Many times these groups are uninformed about the benefits of wind energy and unfamiliar with the process. Therefore, many of the project objectives focus on conferences, forum, databases and research that will allow these stakeholders to make well-educated decisions.

  14. Preparing Teachers for Diversity: The Role of Initial Teacher Education. Annex 2 To the Final Report to DG Education, Youth, Sport and Culture of the European Commission. Case Study Summaries

    Science.gov (United States)

    European Commission, 2017

    2017-01-01

    "Preparing Teachers for Diversity: The Role of Initial Teacher Education. Annex 2 To the Final Report to DG Education, Youth, Sport and Culture of the European Commission. Case Study Summaries" is designed as a companion document to the final report "Preparing Teachers for Diversity: The Role of Initial Teacher Education. Final…

  15. Muusikamaailm : Bachi orel Leipzigis valmis. XX sajandi ooperid laval. Huddersfieldi festivalil. "Liszt ja Bach" Weimaris / Priit Kuusk

    Index Scriptorium Estoniae

    Kuusk, Priit, 1938-

    2000-01-01

    Lepzigi Thomaskirches taastati Bachi-aegne barokkorel. Flandria Ooperis, Hamburgi Riigiooperis ja Brüsseli Thétre de la Monnaie's lavastuvatest XX saj. heliloojate ooperitest. 16.-26. nov. toimuvast Huddersfieldi kaasaegse muusika festivalist Inglismaal. Festivalist "Liszt ja Bach" Weimaris

  16. Los boyeros en el noroccidente del Valle Central de Costa Rica entre los Siglos XIX y XX

    National Research Council Canada - National Science Library

    Javier Rodríguez Sancho

    2014-01-01

    En este artículo, se interpreta un fragmento de la historia “nacional” delineada por un oficio en torno a los transportes que estuvo matizado por varios aspectos de la vida rural de los siglos XIX y XX...

  17. 46, XX true hermaphroditism associated with a terminal deletion of the short arm of the X chromosome

    Energy Technology Data Exchange (ETDEWEB)

    Barbaux, S.; Vilain, E.; McElreavey, K. [Institut Pasteur, Paris (France)] [and others

    1994-09-01

    Testes are determined by the activity of the SRY gene product encoded by the Y chromosome. Mutations in SRY can lead to XY sex reversal (XY females) and the presence of the SRY gene in some XX individuals can lead either to complete (XX males) or incomplete (XX true hermaphrodites) sex reversal. Approximately 10% of XX true hermaphrodites contain a portion of the Y chromosome, including SRY, in their genome. The etiology of the remaining cases is unestablished but may be caused by mutations in other as yet unidentied sex determining genes downstream of SRY. Here we describe an SRY-negative true hermaphrodite with a 46,X,del(X)(p21.1-pter). The patient also presented with severe mental retardation, abnormal skin pigmentation and below average height. Histological examination of the gonad revealed bilateral ovotestis. We postulate that the Xp deletion has unmasked a recessive allele on the apparently normal X chromosome generating the intersex phenotype. This observation together with recent findings of certain XY females carrying duplications of Xp21.3 suggests that there may be a loci on Xp which acts as a switch in the testis/ovarian determination pathways.

  18. 49 CFR 1242.51 - Dismantling retired property and depreciation (accounts XX-27-39 and 62-27-00).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Dismantling retired property and depreciation (accounts XX-27-39 and 62-27-00). 1242.51 Section 1242.51 Transportation Other Regulations Relating to... FOR RAILROADS 1 Operating Expenses-Equipment § 1242.51 Dismantling retired property and depreciation...

  19. 49 CFR 1242.37 - Dismantling retired property and depreciation (accounts XX-26-39 and 62-26-00).

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 9 2010-10-01 2010-10-01 false Dismantling retired property and depreciation (accounts XX-26-39 and 62-26-00). 1242.37 Section 1242.37 Transportation Other Regulations Relating to... FOR RAILROADS 1 Operating Expenses-Equipment § 1242.37 Dismantling retired property and depreciation...

  20. Hardware-Software Complex for Functional and Parametric Tests of ARM Microcontrollers STM32F1XX

    Directory of Open Access Journals (Sweden)

    Egorov Aleksey

    2016-01-01

    Full Text Available The article presents the hardware-software complex for functional and parametric tests of ARM microcontrollers STM32F1XX. The complex is based on PXI devices by National Instruments and LabVIEW software environment. Data exchange procedure between a microcontroller under test and the complex hardware is describes. Some test results are also presented.

  1. “Ciencias de la Comunicación”, paradigma del siglo XX?

    Directory of Open Access Journals (Sweden)

    Eduardo A. Vizer

    2011-01-01

    Full Text Available La Modernidad es una categoría histórica. Un paradigma de  construcción de imaginarios sociales, asociados a una historia social de las ciencias y los modos de construír conocimiento, tecnología y poder de intervención sobre la “realidad”. Categorías como naturaleza, sociedad, individuo y subjetividad son construcciones sociales asociadas  a diferentes etapas de las ciencias: físiconaturales, sociales y psicológicas. En este contexto, las “ciencias de la comunicación” se constituyen en el imaginario social del siglo XX, en un paradigma marcado por la técnica, la transdisciplinariedad y la transsubjetividad en los procesos de construcción de sentido.

  2. Acromegaly accompanied by Turner syndrome with 47,XXX/45,X/46,XX mosaicism.

    Science.gov (United States)

    Yamazaki, Masanori; Sato, Ai; Nishio, Shin-ichi; Takeda, Teiji; Miyamoto, Takahide; Katai, Miyuki; Hashizume, Kiyoshi

    2009-01-01

    A 33-year-old woman was hospitalized for examination of edematous laryngopharynx. She was acromegalic. A pituitary adenoma with elevated serum levels of growth hormone (GH) and insulin-like growth factor-I (IGF-I) was detected, indicating acromegaly caused by GH-secreting pituitary adenoma. Multiple pigmented nevi were also noted without overt short stature and cubitus valgus. Chromosome analysis revealed that she had contracted Turner syndrome with 47,XXX/45,X/46,XX mosaicism. Transsphenoidal resection of the tumor decreased serum GH and IGF-I levels, but the edema was not improved. Both premature ovarian failure and hypertension appeared after surgery. This case may indicate the important relationships between GH/IGF-I and Turner syndrome.

  3. O espaço da prostituta na literatura brasileira no século XX

    Directory of Open Access Journals (Sweden)

    Ariágda dos Santos Moreira

    2011-10-01

    Full Text Available Resumo: O artigo evidencia diferentes modos de representação da prostituta e de seu espaço de circulação em algumas obras da literatura brasileira, da segunda metade do século XX. As obras mostram personagens femininas, que ganham a vida vendendo seus corpos, em inusitados prostíbulos, integrados ironicamente ao espaço social e moralmente aceitos. A partir dessas representações, o que se pretende discutir aqui, embasado inicialmente nos conceitos de “mundo demoníaco” e “mundo divino” de Northrop Frye, é a relação de estreita interdependência e assimilação que marca espaços aparentemente antagônicos e inconciliáveis. Tal assimilação pode ser também observada por meio da noção de heterotopia, de que trata Michel Foucault, base das análises do crítico literário, o chileno Rodrigo Cánovas, que reforçam as discussões finais neste texto.Palavras-chave: Literatura brasileira; prostituta; século XX; Northrop Frye; mundo demoníaco; mundo divino; Michel Foucault; heterotopia; Rodrigo Cánovas.Resumen: El artículo evidencia diferentes formas de representación de la prostituta y de su espacio de circulación en algunas obras de la literatura brasileña, de la segunda mitad del siglo XX. Las obras muestran personajes femeninos que ganan la vida vendiendo sus cuerpos, en inusitados prostíbulos, integrados irónicamente al espacio social y moralmente aceptados. A partir de esas representaciones lo que se pretende discutir aquí, inicialmente a base de los conceptos de “mundo demoníaco” y “mundo divino” de Northrop Frye, es la relación de estrecha interdependencia y asimilación que marca espacios aparentemente antagónicos e inconciliables. Dicha asimilación puede ser también observada por medio de la noción de heterotopía, de que trata Michel Foucault, fundamento de los análisis del crítico literario, el chileno Rodrigo Cánovas, que refuerzan las discusiones finales en ese texto

  4. Retratos fotográficos post-mortem en Galicia (siglos XIX y XX)

    OpenAIRE

    Cruz Lichet, Virginia de la

    2011-01-01

    La fotografía post-mortem es un género que se dio en el mundo occidental desde los orígenes de la Historia de la Fotografía hasta bien entrado el último cuarto del siglo XX. En su conjunto, todas estas imágenes nacieron partiendo de una causa común heredada de la tradición pictórica: la de perpetuar en la memoria el rostro de un ser querido ya desaparecido. Sin embargo, existe a su vez un gran número de variantes y matices, tanto formales como funcionales, en relación a las creencias y costum...

  5. A case report of Drash syndrome in a 46,XX female.

    Science.gov (United States)

    Melocoton, T L; Salusky, I B; Hall, T R; Cohen, A H; Ehrlich, R M; Fine, R N

    1991-10-01

    Progressive renal insufficiency, male pseudohermaphrotidism, and Wilms tumor are known as the triad of Drash syndrome. The renal involvement has been reported in association with Wilms tumor with or without pseudohermaphroditism. The nephropathy progresses rapidly, is unresponsive to steroids, and eventually requires dialysis. The case we report is a 46,XX phenotypic female child who had diffuse mesangial sclerosis (DMS) and developed Wilms tumor 3 years after initiating dialysis for end-stage renal disease (ESRD). Any child presenting with DMS should be considered at risk for development of Wilms tumor and should be investigated for the presence of XY gonadal dysgenesis. Once ESRD develops in such a child, prophylactic nephrectomy and possibly gonadectomy should be undertaken.

  6. Cambios históricos en el paisaje de Cuenca, siglos XIX y XX

    Directory of Open Access Journals (Sweden)

    Ana Luz Borrero Vega

    2006-11-01

    Full Text Available Este artículo analiza la génesis del paisaje urbano de Cuenca. Se destacan los elementos patrimoniales, los procesos de crecimiento y expansión, y los cambios en su paisaje urbano entre los siglos XIX y XX. Utiliza el enfoque de la geografía histórica y de la geografía del paisaje y sus metodologías. Estudia la percepción que la población tiene del territorio, el plano urbano, la arquitectura y los usos del suelo. La investigación incorpora, además, un registro fotográfico de las principales edificaciones que conforman el patrimonio arquitectónico cuencano.

  7. Del lujo o la melancolía. Antioquia siglos XIX y XX

    Directory of Open Access Journals (Sweden)

    Federico García Barrientos

    2016-06-01

    Full Text Available Es abundante la bibliografía de estudios regionales de Antioquia que hacen referencia al auge y desarrollo de su comercio en el siglo XIX y de su industrialización en las tres primeras décadas del siglo XX. Se trata de un amplio abanico de investigaciones referido a la cosa comercial, industrial y empresarial. Parece un asunto agotado. Arriesgaremos a mirar un tema poco tratado: el lujo y el confort; ello desde la filosofía fenomenológica para los años en mención. Lo primero que hay que decir es que el lujo trata de un asunto moral y material, el cual presentamos como una tragedia melancólica en dos actos.

  8. La mortalidad por tuberculosis en Argentina a lo largo del siglo XX

    Directory of Open Access Journals (Sweden)

    Maria Belen Herrero

    2013-06-01

    Full Text Available El objetivo de este artículo es realizar un análisis de la curva de mortalidad por tuberculosis en Argentina a lo largo del siglo XX, desde 1911 hasta 2007. A partir de los datos obtenidos de diversas fuentes de carácter oficial se marcan las etapas históricas de dicha mortalidad, generando dentro de éstas subperíodos, a fin de entender el comportamiento de la mortalidad por tuberculosis, dependiendo del momento histórico. De esta forma, se vincula el desarrollo de la enfermedad con los dispositivos que se generaron para combatirla. Se realiza un análisis del comportamiento de la mortalidad por regiones del país, partiendo del supuesto que el desarrollo de la misma fue diferente según condiciones económicas y sociales y desarrollo sanitario.

  9. Lectores y textos escolares durante la primera mitad del siglo XX en Colombia

    Directory of Open Access Journals (Sweden)

    Diana Paola Guzmán Méndez

    2016-01-01

    Full Text Available Este artículo presenta algunos aspectos de la historia de la lectura en Colombia durante la primera mitad del siglo XX, así como la caracterización de algunas prácticas lectoras que se hicieron evidentes durante el mismo período. Los intelectuales de los gobiernos de la República Liberal actuaron como agentes culturales claves para ejecutar diversas campañas que coadyuvaron en la ampliación del público lector, entre ellas, los programas de alfabetización, la creación de bibliotecas y misiones culturales. Dentro de estas campañas de alfabetización, se hicieron presentes importantes cambios en el diseño y empleo de los materiales para la enseñanza de la lectura que apuntaron a la diferenciación entre lectores rurales y urbanos.

  10. Armas Combinadas no Séc. XX: Uma Revisão Histórica

    OpenAIRE

    Rocha, Daniel

    2015-01-01

    As Armas Combinadas são empregues desde a antiguidade, mas só de há alguns séculos para cá aparece a palavra, e se começa a abordar a temática. O Séc. XX está repleto de exemplos do emprego do conceito de Armas Combinadas. Já no Séc XVII, Antoine Jomini, começa a aborda-lo, e desde então, há muitos autores a debruçar-se sobre o tema, destacando-se desde já militares ilustres como John Fuller, Liddel Hart, Heinz Guderian, Mikhail Tukhachevsky, en...

  11. Relación entre quimerismo xx/xy y el fenotipo pseudohermafrodita masculino en porcinos.

    Directory of Open Access Journals (Sweden)

    Reinartz E. Mónica

    2001-09-01

    Full Text Available La causa genética del pseudohermafroditismo no está bien dilucidada, sin embargo se han reportado distintos casos de pseudohermafroditas masculinos los cuales en la mayoría de los casos se han tratado de explicar por efectos hormonales sobre las gónadas en formación durante el desarrollo embrionario. Además se ha explorado poco la relación de este fenotipo con la constitución genómica de los organismos que presentan la disfunción sexual. En el presente trabajo se encontró una fuerte relación entre el quimerismo cromosómico XX/XY y el fenotipo pseudohermafrodita masculino exhibido por dos ejemplares de porcinos Landrace X Largewhite similar a lo encontrado en freemartinismo de bovinos.

  12. Exploring entropic uncertainty relation in the Heisenberg XX model with inhomogeneous magnetic field

    Science.gov (United States)

    Huang, Ai-Jun; Wang, Dong; Wang, Jia-Ming; Shi, Jia-Dong; Sun, Wen-Yang; Ye, Liu

    2017-08-01

    In this work, we investigate the quantum-memory-assisted entropic uncertainty relation in a two-qubit Heisenberg XX model with inhomogeneous magnetic field. It has been found that larger coupling strength J between the two spin-chain qubits can effectively reduce the entropic uncertainty. Besides, we observe the mechanics of how the inhomogeneous field influences the uncertainty, and find out that when the inhomogeneous field parameter b1. Intriguingly, the entropic uncertainty can shrink to zero when the coupling coefficients are relatively large, while the entropic uncertainty only reduces to 1 with the increase of the homogeneous magnetic field. Additionally, we observe the purity of the state and Bell non-locality and obtain that the entropic uncertainty is anticorrelated with both the purity and Bell non-locality of the evolution state.

  13. Design of one large telescope direct drive control system based on TMS320F28xx

    Science.gov (United States)

    Song, Xiao-li; Wang, Da-xing; Zhang, Chao; Zhang, Zhen-chao; Chen, Li-yan; Ren, Chang-zhi

    2014-08-01

    The mount drive control is the key technique which mostly affects astronomical telescope's resolution and its speed. However, the ultra -lower speed and the giant moment of inertia make it very difficult to be controlled. In this paper, one segmented permanent-magnet synchronous motor (PMSM), 4m diameter, is suggested for the mount driving. A method is presented to drive the motor directly, which is based on TMS320F28XX and Insulated Gate Bipolar Transistor (IGBT) , also, HEIDENHAIN tape is used to detect the absolute position of the motor together with the Hall sensor. The segmented PMSM can work stable and the mount drive can realize nice tracking performance at ultra -lower speed with this drive system.

  14. Diverging conductance at the contact between random and pure quantum XX spin chains

    Science.gov (United States)

    Chatelain, Christophe

    2017-11-01

    A model consisting of two quantum XX spin chains, one homogeneous and the second with random couplings drawn from a binary distribution, is considered. The two chains are coupled to two different non-local thermal baths and their dynamics is governed by a Lindblad equation. In the steady state, a current J is induced between the two chains by coupling them together by their edges and imposing different chemical potentials μ to the two baths. While a regime of linear characteristics J versus Δμ is observed in the absence of randomness, a gap opens as the disorder strength is increased. In the infinite-randomness limit, this behavior is related to the density of states of the localized states contributing to the current. The conductance is shown to diverge in this limit.

  15. CARACTERÍSTICAS DE LA VIVIENDA MENDOCINA EN LA PRIMERA MITAD DEL SIGLO XX

    Directory of Open Access Journals (Sweden)

    Juan Manuel Cerdá

    2007-01-01

    Full Text Available El propósito del presente trabajo es analizar las condiciones habitacionales de la población de la provincia de Mendoza entre finales del sigo XIX y mediados del siglo XX, a la luz de los cambios y las continuidades en el proceso de crecimiento económico local. Una reconstrucción de las condiciones habitacionales permitirá evaluar el impacto que tuvo el crecimiento económico y las consecuencias de una desigual distribución del ingreso. Desde este marco general, se indaga sobre el desarrollo de la vivienda siendo ésta considerada una variable que nos aproxima al estudio de las condiciones materiales de la población y a los posibles desajustes entre crecimiento económico y desarrollo socio-regional.

  16. La empresa en Colombia en la primera mitad del siglo XX

    Directory of Open Access Journals (Sweden)

    Jairo Andrés Campuzano Hoyos

    2011-12-01

    Full Text Available “Yo siempre he creído que el futuro de Colombia está en su pasado”, dijo alguna vez Gonzalo Restrepo Jaramillo, un destacado político y empresario antioqueño de la primera mitad del siglo xx. Como él, muchos otros pensamos que se puede aprender del pasado para construir el futuro; pero es importante precisar, desde ahora, que no se pretende mirar al pasado para construir modelos de imitación o réplica, y mucho menos para levantar ídolos sobre la premisa de que “todo tiempo pasado fue mejor”, como suelen afirmar algunos pesimistas.

  17. Gender of rearing and psychosocial aspect in 46 XX congenital adrenal hyperplasia

    Science.gov (United States)

    Gangaher, Arushi; Jyotsna, Viveka P.; Chauhan, Vasundhera; John, Jomimol; Mehta, Manju

    2016-01-01

    Background: In congenital adrenal hyperplasia (CAH) with ambiguous genitalia, assigning gender of rearing can be complex, especially If genitalia is highly virilized. Apart from karyotype, prenatal androgen exposure, patient's gender orientation, sociocultural, and parental influences play a role. The aim of this study was to assess gender dysphoria and psychosocial issues in patients of CAH raised as males and females. Materials and Methods: This is a cross-sectional study that includes patients (old and new) with CAH who were treated by us in the last 6 months. A semi-structured interview proforma was used to elicit history and psychosocial background of the patients. The clinical and biochemical details were noted. For psychological analysis, patients were screened for gender dysphoria using Parent Report Gender Identity Questionnaire for children Gender Identity/Gender Dysphoria Questionnaire for Adolescents and Adults. Results: We analyzed 22 46 XX CAH patients among which, 3 were reared as males and 19 as females. Among the 19 patients reared as females, 17 patients showed no gender dysphoria. Two patients revealed gender dysphoria as indicated by their marginally low scores on the gender dysphoria assessment. However, in view of current literature and the age groups of the patients, behavior of the 6-year-old patient can be best understood as being tomboyish. Gender dysphoria in the 22-year-old can be explained by the dominance of psychosocial factors and not hormones alone. Among the three patients reared as males, two prepubertal were satisfied with their male gender identity. The third patient, aged 32 years, had gender dysphoria when reared as a male that resolved when gender was reassigned as female and feminizing surgery was done. Conclusion: Gender assignment in 46 XX CAH is guided by factors such as degree of virilization of genitalia, gender orientation, patient involvement, sociocultural, and parental influences. PMID:27867895

  18. Mujeres en la pianística del siglo XX en el noreste mexicano

    Directory of Open Access Journals (Sweden)

    Antonina Dragan

    2014-01-01

    Full Text Available En México, a través de los siglos, como en muchosotros países, el papel tradicional de la mujer fue ser esposa,madre y ama de casa; por lo tanto, no tenían accesoa la educación. Las jóvenes de familias pudientesestudiaban artes y música, en particular como entretenimiento.La música no se consideraba una profesión, nohabía escuelas de música y algunas academias o maestrosparticulares llenaban el vacío. En este contexto el méritoespecial es para aquellas mujeres que tomaron la decisiónde participar en la vida social, cultural y políticade la sociedad en que vivían. Su aporte a la educación,a la difusión de arte musical y, en particular, pianísticoen la región de noreste, no se ha valorado lo suficientea pesar del gran empeño, entusiasmo y entrega que ellasdemostraron. En este artículo se abordará el papel de lamujer en la pianística del siglo XX en el noreste de México,a partir de los siguientes cuestionamientos: ¿Quiénesfueron estas mujeres que realizaron la labor educativa enel ámbito musical y pianístico en el noreste de México enel siglo XX? ¿Quiénes fueron las mujeres que hicieron delpiano su profesión y resultaron de gran valía en la difusiónde arte de piano y del repertorio pianístico en la zonade referencia?

  19. Gender of rearing and psychosocial aspect in 46 XX congenital adrenal hyperplasia

    Directory of Open Access Journals (Sweden)

    Arushi Gangaher

    2016-01-01

    Full Text Available Background: In congenital adrenal hyperplasia (CAH with ambiguous genitalia, assigning gender of rearing can be complex, especially If genitalia is highly virilized. Apart from karyotype, prenatal androgen exposure, patient's gender orientation, sociocultural, and parental influences play a role. The aim of this study was to assess gender dysphoria and psychosocial issues in patients of CAH raised as males and females. Materials and Methods: This is a cross-sectional study that includes patients (old and new with CAH who were treated by us in the last 6 months. A semi-structured interview proforma was used to elicit history and psychosocial background of the patients. The clinical and biochemical details were noted. For psychological analysis, patients were screened for gender dysphoria using Parent Report Gender Identity Questionnaire for children <12 years and Gender Identity/Gender Dysphoria Questionnaire for Adolescents and Adults. Results: We analyzed 22 46 XX CAH patients among which, 3 were reared as males and 19 as females. Among the 19 patients reared as females, 17 patients showed no gender dysphoria. Two patients revealed gender dysphoria as indicated by their marginally low scores on the gender dysphoria assessment. However, in view of current literature and the age groups of the patients, behavior of the 6-year-old patient can be best understood as being tomboyish. Gender dysphoria in the 22-year-old can be explained by the dominance of psychosocial factors and not hormones alone. Among the three patients reared as males, two prepubertal were satisfied with their male gender identity. The third patient, aged 32 years, had gender dysphoria when reared as a male that resolved when gender was reassigned as female and feminizing surgery was done. Conclusion: Gender assignment in 46 XX CAH is guided by factors such as degree of virilization of genitalia, gender orientation, patient involvement, sociocultural, and parental influences.

  20. Investigation of KIT gene mutations in women with 46,XX spontaneous premature ovarian failure

    Directory of Open Access Journals (Sweden)

    Nelson Lawrence M

    2002-08-01

    Full Text Available Abstract Background Spontaneous premature ovarian failure presents most commonly with secondary amenorrhea. Young women with the disorder are infertile and experience the symptoms and sequelae of estrogen deficiency. The mechanisms that give rise to spontaneous premature ovarian failure are largely unknown, but many reports suggest a genetic mechanism in some cases. The small family size associated with infertility makes genetic linkage analysis studies extremely difficult. Another approach that has proven successful has been to examine candidate genes based on known genetic phenotypes in other species. Studies in mice have demonstrated that c-kit, a transmembrane tyrosine kinase receptor, plays a critical role in gametogenesis. Here we test the hypothesis that human KIT mutations might be a cause of spontaneous premature ovarian failure. Methods and Results We examined 42 women with spontaneous premature ovarian failure and found partial X monosomy in two of them. In the remaining 40 women with known 46,XX spontaneous premature ovarian failure we evaluated the entire coding region of the KIT gene. We did this using polymerase chain reaction based single-stranded conformational polymorphism analysis and DNA sequencing. We did not identify a single mutation that would alter the amino acid sequence of the c-KIT protein in any of 40 patients (upper 95% confidence limit is 7.2%. We found one silent mutation at codon 798 and two intronic polymorphisms. Conclusion Mutations in the coding regions of the KIT gene appear not to be a common cause of 46,XX spontaneous premature ovarian failure in North American women.

  1. Database on wind characteristics

    Energy Technology Data Exchange (ETDEWEB)

    Hansen, K.S. [The Technical Univ. of Denmark (Denmark); Courtney, M.S. [Risoe National Lab., (Denmark)

    1999-08-01

    The organisations that participated in the project consists of five research organisations: MIUU (Sweden), ECN (The Netherlands), CRES (Greece), DTU (Denmark), Risoe (Denmark) and one wind turbine manufacturer: Vestas Wind System A/S (Denmark). The overall goal was to build a database consisting of a large number of wind speed time series and create tools for efficiently searching through the data to select interesting data. The project resulted in a database located at DTU, Denmark with online access through the Internet. The database contains more than 50.000 hours of measured wind speed measurements. A wide range of wind climates and terrain types are represented with significant amounts of time series. Data have been chosen selectively with a deliberate over-representation of high wind and complex terrain cases. This makes the database ideal for wind turbine design needs but completely unsuitable for resource studies. Diversity has also been an important aim and this is realised with data from a large range of terrain types; everything from offshore to mountain, from Norway to Greece. (EHS)

  2. Satellite winds as a tool for offshore wind resource assessment: The Great Lakes Wind Atlas

    DEFF Research Database (Denmark)

    Doubrawa, Paula; Barthelmie, Rebecca Jane; Pryor, Sara C.

    2015-01-01

    This work presents a new observational wind atlas for the Great Lakes, and proposes a methodology to combine in situ and satellite wind observations for offshore wind resource assessment. Efficient wind energy projects rely on accurate wind resource estimates, which are complex to obtain offshore...... the North American Regional Reanalysis. Generalized wind climates are obtained for each buoy and coastal site with the wind model WAsP, and combined into a single wind speed estimate for the Great Lakes region. The method of classes is used to account for the temporal sparseness in the SAR data set...

  3. Joint Egypt/United States report on Egypt/United States cooperative energy assessment. Volume 3 of 5 Vols. Annexes 2--5

    Energy Technology Data Exchange (ETDEWEB)

    1979-04-01

    The principal objectives of the energy assessment project for Egypt are to develop understanding of the current status of the principal energy users in Egypt's industrial and agricultural sectors; to estimate the energy demand and efficiency for each selected subsector within these major sectors; to identify opportunities for fuel type changes, technology switches, or production pattern changes which might increase the efficiency with which Egypt's energy is used both now and in the future; and based on options identified, to forecast energy efficiencies for selected Egyptian subsectors for the years 1985 and 2000. The areas studied in the industrial sector are the iron and steel, aluminum, fertilizer, chemical, petrochemical, cement, textile, and automotive manufacturing industries. Those studied in the agricultural sector concern drainage and irrigation, mechanization, and food processing. Additional information in 4 annexes include industrial/agricultural sector options; residential/commercial, transportation, and fossil fuels supply options.

  4. Annex 3: BRIDGESIM, a simulation tool for the system design of bridge heating for ice prevention with solar heat stored in a seasonal ground duct store

    Energy Technology Data Exchange (ETDEWEB)

    Pahud, D.

    2006-12-15

    This is the Annex 3 of the annual report 2006 of the Serso project. This appendix provides details on the BRIDGESIM simulation tool for the simulation of a bridge heating system that uses heat stored in summer in a long-term diffusive borehole store to ensure an ice-free surface on a road bridge in winter. The operation of the control system which controls the heating system is described. The simulation tool is described and the various input parameters are discussed, as is the parametrisation of the tool itself. These parameters include not only timescales but also data on the borehole heat exchangers, data on the buried heating pipes in the road surface, thermal conductivity of the circulating heat-transfer fluid, ground parameters, intermediate water tank parameters and many other related data. The running of the simulation and output data are also described. Outputs are also presented in graphical form.

  5. Commissioning of building HVAC systems for improvement of energy performance; Commissioning of building HVAC systems for improvement of energy performance. Teilnahme IEA-ECBCS Annex 40 (Betreiberkompetenz)

    Energy Technology Data Exchange (ETDEWEB)

    Chuard, J.-M.

    2005-06-15

    This paper takes a look at the tasks performed in Task 40 of the 'Energy Conservation in Buildings and Community Systems ECBCS' programme of the International Energy Agency IEA that is taking a look at the commissioning of building HVAC systems with the aim of improving the energy performance of such systems. Emphasis is put on the Swiss contribution to the task. This well-illustrated paper presents information on the structure of the task, time-lines and a diagram for its implementation structures. Also, the countries participating in Task 40 and their representatives are listed, and various work already published by the annex is noted. The paper places a focus on operator competence and lists points to be taken into account when carrying out work on optimising energy consumption. The various processes involved are noted and discussed. Management guidelines are presented and economical and market aspects are discussed. Finally, projects that will continue the work are noted.

  6. HiPTI - High Performance Thermal Insulation, Annex 39 to IEA/ECBCS-Implementing Agreement. Vacuum insulation in the building sector. Systems and applications

    Energy Technology Data Exchange (ETDEWEB)

    Binz, A.; Moosmann, A.; Steinke, G.; Schonhardt, U.; Fregnan, F. [Fachhochschule Nordwestschweiz (FHNW), Muttenz (Switzerland); Simmler, H.; Brunner, S.; Ghazi, K.; Bundi, R. [Swiss Federal Laboratories for Materials Testing and Research (EMPA), Duebendorf (Switzerland); Heinemann, U.; Schwab, H. [ZAE Bayern, Wuerzburg (Germany); Cauberg, H.; Tenpierik, M. [Delft University of Technology, Delft (Netherlands); Johannesson, G.; Thorsell, T. [Royal Institute of Technology (KTH), Stockholm (Sweden); Erb, M.; Nussbaumer, B. [Dr. Eicher und Pauli AG, Basel and Bern (Switzerland)

    2005-07-01

    This final report on vacuum insulation panels (VIP) presents and discusses the work done under IEA/Energy Conservation in Buildings and Community Systems (ECBCS) Annex 39, subtask B on the basis of a wide selection of reports from practice. The report shows how the building trade deals with this new material today, the experience gained and the conclusions drawn from this work. As well as presenting recommendations for the practical use of VIP, the report also addresses questions regarding the effective insulation values to be expected with current VIP, whose insulation performance is stated as being a factor of five to eight times better than conventional insulation. The introduction of this novel material in the building trade is discussed. Open questions and risks are examined. The fundamentals of vacuum insulation panels are discussed and the prerequisites, risks and optimal application of these materials in the building trade are examined.

  7. Marine wind data presentation using wind transition matrix

    Digital Repository Service at National Institute of Oceanography (India)

    Mascarenhas, A.J.; Gouveia, A.D.; Desai, R.G.P.

    One of the methods to simulate the random wind behaviour through time is to use historical wind data presented in the form of wind transition matrix. Here it is assumed that, the probability that the wind will shift from one direction to another...

  8. Wind Turbine Converter Control Interaction with Complex Wind Farm Systems

    DEFF Research Database (Denmark)

    Kocewiak, Lukasz Hubert; Hjerrild, Jesper; Bak, Claus Leth

    2013-01-01

    in this study. It is shown that wind farm components, such as long high-voltage alternating current cables and park transformers, can introduce significant low-frequency series resonances seen from the wind turbine terminals that can affect wind turbine control system operation and overall wind farm stability...

  9. Airborne Wind Profiling Algorithm for Doppler Wind LIDAR

    Science.gov (United States)

    Beyon, Jeffrey Y. (Inventor); Koch, Grady J. (Inventor); Kavaya, Michael J. (Inventor)

    2015-01-01

    Systems, methods, and devices of the present invention enable airborne Doppler Wind LIDAR system measurements and INS/GPS measurements to be combined to estimate wind parameters and compensate for instrument misalignment. In a further embodiment, the wind speed and wind direction may be computed based on two orthogonal line-of-sight LIDAR returns.

  10. Wind for Schools: A Wind Powering America Project

    Science.gov (United States)

    US Department of Energy, 2007

    2007-01-01

    The U.S. Department of Energy's (DOE's) Wind Powering America program (based at the National Renewable Energy Laboratory) sponsors the Wind for Schools Project to raise awareness in rural America about the benefits of wind energy while simultaneously educating college seniors regarding wind energy applications. The three primary project goals of…

  11. Operation Design of Wind Turbines in Strong Wind Conditions

    DEFF Research Database (Denmark)

    Shen, Wen Zhong; Montes, Melissa Barroso; Odgaard, Peter Fogh

    2012-01-01

    In order to reduce the impact on the electrical grid from the shutdown of MW wind turbines at wind speeds higher than the cut-out wind speed of 25 m/s, we propose in this paper to run the turbines at high wind speeds up to 40 m/s. Two different operation designs are made for both constant speed...

  12. Wind farm production estimates

    DEFF Research Database (Denmark)

    Larsen, Torben J.; Larsen, Gunner Chr.; Aagaard Madsen, Helge

    2012-01-01

    the DWMmodel is to model the in- stationary wind farm flow characteristics by considering wind turbine wakes as passive tracers continuously emitted from the wind farm turbines each with a downstream transport pro- cess dictated by large scale turbulent eddies (lateral and ver- tical transportation; i......]. A very satisfactory agreement between experimental data and predictions is observed. This paper finally includes additionally an analysis of the production impact caused by atmospheric stability effects. For this study, atmospheric stability conditions are defined in terms of the Monin-Obukhov length....... Three different stability classes, including stable, neutral and unstable atmospheric stratification, have been investigated....

  13. Autocorrelation of wind observations

    Science.gov (United States)

    Wylie, D. P.; Hinton, B. B.; Howland, M. R.; Lord, R. J.

    1985-01-01

    Autocorrelation and variance statistics are calculated for cloud motion measurements from four different sources, rawinsonde wind reports, synoptic land station reports, ship reports, aircraft reports, automatic aircraft reports gathered during the Global Weather Experiment, and Seasat scatterometer winds from September 1978. The last of these data sources exhibited the highest autocorrelations and lowest standard deviations over short distances. Structure function plots of autocovariances against separation distance between observations indicated that Seasat was most sensitive to wind field structure by having low autovariance at short distances.

  14. Extreme winds in Denmark

    Energy Technology Data Exchange (ETDEWEB)

    Kristensen, L.; Rathmann, O.; Hansen, S.O.

    1999-02-01

    Wind-speed data from four sites in Denmark have been analyzed in order to obtain estimates of the basic wind velocity which is defined as the 50-year wind speed under standard conditions, i.e. ten-minute averages at the height 10 m over a uniform terrain with the roughness length 0.05 m. The sites are, from west, Skjern (15 years), Kegnaes (7 years), Sprogoe (20 years), and Tystofte (15 years). The data are ten minute averages of wind speed, wind direction, temperature and pressure. The last two quantities are used to determine the air density {rho}. The data are cleaned for terrain effects by means of a slightly modified WASP technique where the sector speed-up factors and roughness lengths are linearly smoothed with a direction resolution of one degree. Assuming geotropic balance, all the wind-velocity data are transformed to friction velocity u{sub *} and direction at standard conditions by means of the geotropic drag law for neutral stratification. The basic wind velocity in 30 deg. sectors are obtained through ranking of the largest values of the friction velocity pressure 1/2{rho}u{sub *}{sup 2} taken both one every two months and once every year. The main conclusion is that the basic wind velocity is significantly larger at Skjern, close to the west coast of Jutland, than at any of the other sites. Irrespective of direction, the present standard estimates of 50-year wind are 25 {+-} 1 m/s at Skern and 22 {+-} 1 m/s at the other three sites. These results are in agreement with those obtained by Jensen and Franck (1970) and Abild (1994) and supports the conclusion that the wind climate at the west coast of Jutland is more extreme than in any other part of the country. Simple procedures to translate in a particular direction sector the standard basic wind velocity to conditions with a different roughness length and height are presented. It is shown that a simple scheme makes it possible to calculate the total 50-year extreme load on a general structure without

  15. Synthetic gasoline and diesel oil produced by Fischer-Tropsch Technology. A possibility for the future? IEA/AMF annex XXXI

    Energy Technology Data Exchange (ETDEWEB)

    Rehnlund, B., (Atrax Energy AB, Goeteborg (SE)); Blinge, M., (The Swedish Transport Research Institute, TFK (SE)); Schramm, J.; Larsen, Ulrik, (Technical Univ. of Denmark, DTU, Kgs. Lyngby (DK))

    2007-03-15

    This report is the result of an annex (annex XXXI, Fischer-Tropsch Fuels) initiated by the International Energy Agency's Implementing Agreement on Advanced Motor Fuels. The annex has been managed by Atrax Energi AB, Bjorn Rehnlund, acting as the operating agent of the annex. The work in the annex has been carried out in co-operation with the Swedish Transportation Research Institute - TFK, Magnus Blinge and the Technical University of Denmark - DTU, Jesper Schramm and Ulrik Larsen. In this report the possibilities to produce synthetic gasoline and synthetic diesel oil from biomass, and also from natural gas, by Fischer-Tropsch (FT) Technology are analysed and discussed. After an introduction of the technology as such, environmental aspects and the life cycle perspective of synthetic gasoline and diesel oil are discussed, and some possible national/regional scenarios are analysed and presented. Vehicle emission tests with synthetic gasoline carried out at DTU are described and discussed in this report as well. Based on the result of the analysis and the vehicle emission tests presented in the report, a first SWOT analysis of Fischer-Tropsch technology is then presented, and finally some main conclusions are drawn. During the execution of the annex Sasol in South Africa, Nykomb Synergetics in Sweden, Chemrec in Sweden, the Technical University of Denmark, VTT in Finland, the Varnamo gasification research project in Sweden, and the Black liquor gasification project in Pitea, Sweden have been visited. Some of the most important conclusions are that: 1) FT-Fuels such as FT-Diesel (FTD) and FT-Gasoline (FTG) produced through CoalTo-Liquid, (CTL), Gas-To-Liquid (GTL) and Biomass-To-Liquid (BTL) technologies can contribute to reducing the dependency on crude oil. 2) FTD and FTG are attractive for use in neat form and also as components in blends with low quality diesel and gasoline, to upgrade fuels to meet the ever more stringent regulations. 3) Production and use of

  16. Modelling of Wind Turbine Loads nearby a Wind Farm

    Science.gov (United States)

    Roscher, B.; Werkmeister, A.; Jacobs, G.; Schelenz, R.

    2017-05-01

    Each wind turbine experiences a variety of loads during its lifetime, especially inside a wind farm due to the wake effect between the turbines. This paper describes a possibility to observe a load spectrum while considering wake effects in a wind farm by through the turbulence intensity. The turbulence intensity is distributed along the wind rose of Alpha Ventus. For each turbulence intensity, a Weibull characteristic is calculated. The resulting wind fields are used to determine the loads through a multibody simulation of an imaginary wind turbine located at FINO-1, representing a closely placed wind turbine at the outer edge of a wind farm. These loads are analyzed and summed up. As expected, the change of the turbulence intensity due to the wake effect has an impact on the internal loading of a wind turbine inside a wind farm. Based on the assumed loading conditions, the maximum loads increased by a factor of almost 2.5.

  17. Operation Design of Wind Turbines in Strong Wind Conditions

    DEFF Research Database (Denmark)

    Shen, Wen Zhong; Montes, Melissa Barroso; Odgaard, Peter Fogh

    2012-01-01

    optimally. In order to reduce the possible increased loading, fatigue due to the wind gusts, control strategies have been considered for both constant sped and variable speed pitch regulated wind turbines. The control study shows that the designed controllers can reduce the standard deviations efficiently......In order to reduce the impact on the electrical grid from the shutdown of MW wind turbines at wind speeds higher than the cut-out wind speed of 25 m/s, we propose in this paper to run the turbines at high wind speeds up to 40 m/s. Two different operation designs are made for both constant speed...... and variable speed pitch regulated wind turbines. The variable speed design is more suitable for wind turbines to run at very high wind speeds which can help the turbine braking system to stop the turbine at the new "cut-out" wind speed. Reference power, rotational speed and pitch angle have been designed...

  18. Wind power plant potentials in Ghana

    OpenAIRE

    Safo, Prince

    2013-01-01

    This thesis studies the wind energy technology and the wind technology transfer to Ghana. The thesis analyses some market achievements of wind energy in the world, types and components of the wind energy technology, cooperation involved in manufacturing of the component of the wind turbine, best areas for wind turbine, types of the wind energy construction, applications of wind energy, arrangement of wind farm, environmental impact of the technology and assessment of wind energy resources in ...

  19. XX Disorder of Sex Development is associated with an insertion on chromosome 9 and downregulation of RSPO1 in dogs (Canis lupus familiaris).

    Science.gov (United States)

    Meyers-Wallen, Vicki N; Boyko, Adam R; Danko, Charles G; Grenier, Jennifer K; Mezey, Jason G; Hayward, Jessica J; Shannon, Laura M; Gao, Chuan; Shafquat, Afrah; Rice, Edward J; Pujar, Shashikant; Eggers, Stefanie; Ohnesorg, Thomas; Sinclair, Andrew H

    2017-01-01

    Remarkable progress has been achieved in understanding the mechanisms controlling sex determination, yet the cause for many Disorders of Sex Development (DSD) remains unknown. Of particular interest is a rare XX DSD subtype in which individuals are negative for SRY, the testis determining factor on the Y chromosome, yet develop testes or ovotestes, and both of these phenotypes occur in the same family. This is a naturally occurring disorder in humans (Homo sapiens) and dogs (C. familiaris). Phenotypes in the canine XX DSD model are strikingly similar to those of the human XX DSD subtype. The purposes of this study were to identify 1) a variant associated with XX DSD in the canine model and 2) gene expression alterations in canine embryonic gonads that could be informative to causation. Using a genome wide association study (GWAS) and whole genome sequencing (WGS), we identified a variant on C. familiaris autosome 9 (CFA9) that is associated with XX DSD in the canine model and in affected purebred dogs. This is the first marker identified for inherited canine XX DSD. It lies upstream of SOX9 within the canine ortholog for the human disorder, which resides on 17q24. Inheritance of this variant indicates that XX DSD is a complex trait in which breed genetic background affects penetrance. Furthermore, the homozygous variant genotype is associated with embryonic lethality in at least one breed. Our analysis of gene expression studies (RNA-seq and PRO-seq) in embryonic gonads at risk of XX DSD from the canine model identified significant RSPO1 downregulation in comparison to XX controls, without significant upregulation of SOX9 or other known testis pathway genes. Based on these data, a novel mechanism is proposed in which molecular lesions acting upstream of RSPO1 induce epigenomic gonadal mosaicism.

  20. XX Disorder of Sex Development is associated with an insertion on chromosome 9 and downregulation of RSPO1 in dogs (Canis lupus familiaris.

    Directory of Open Access Journals (Sweden)

    Vicki N Meyers-Wallen

    Full Text Available Remarkable progress has been achieved in understanding the mechanisms controlling sex determination, yet the cause for many Disorders of Sex Development (DSD remains unknown. Of particular interest is a rare XX DSD subtype in which individuals are negative for SRY, the testis determining factor on the Y chromosome, yet develop testes or ovotestes, and both of these phenotypes occur in the same family. This is a naturally occurring disorder in humans (Homo sapiens and dogs (C. familiaris. Phenotypes in the canine XX DSD model are strikingly similar to those of the human XX DSD subtype. The purposes of this study were to identify 1 a variant associated with XX DSD in the canine model and 2 gene expression alterations in canine embryonic gonads that could be informative to causation. Using a genome wide association study (GWAS and whole genome sequencing (WGS, we identified a variant on C. familiaris autosome 9 (CFA9 that is associated with XX DSD in the canine model and in affected purebred dogs. This is the first marker identified for inherited canine XX DSD. It lies upstream of SOX9 within the canine ortholog for the human disorder, which resides on 17q24. Inheritance of this variant indicates that XX DSD is a complex trait in which breed genetic background affects penetrance. Furthermore, the homozygous variant genotype is associated with embryonic lethality in at least one breed. Our analysis of gene expression studies (RNA-seq and PRO-seq in embryonic gonads at risk of XX DSD from the canine model identified significant RSPO1 downregulation in comparison to XX controls, without significant upregulation of SOX9 or other known testis pathway genes. Based on these data, a novel mechanism is proposed in which molecular lesions acting upstream of RSPO1 induce epigenomic gonadal mosaicism.

  1. 2010 Wind Technologies Market Report

    Energy Technology Data Exchange (ETDEWEB)

    Ryan Wiser, Mark Bolinger

    2011-06-01

    This report provides a comprehensive overview of trends in the U.S. wind power market in 2010. The report analyzes trends in wind power capacity, industry, manufacturing, turbines, installed project costs, project performance, and wind power prices. It also describes trends among wind power developers, project owners, and power purchasers, and discusses financing issues.

  2. Integrated Wind Power Planning Tool

    DEFF Research Database (Denmark)

    Rosgaard, Martin H.; Hahmann, Andrea N.; Nielsen, Torben S.

    This poster presents the Public Service Obligation (PSO) funded project PSO 10464 "Integrated Wind Power Planning Tool". The project goal is to integrate a Numerical Weather Prediction (NWP) model with statistical tools in order to assess wind power fluctuations, with focus on short term...... forecasting for existing wind farms, as well as long term power system planning for future wind farms....

  3. Performance of Wind Pump Prototype

    African Journals Online (AJOL)

    Mulu

    based on combined efficiency of the rotor and the reciprocating pump was used to estimate the performance of the wind pump. One year wind speed data collected at 10 m height was extrapolated to the wind pump hub height using wind shear coefficient. The model assumed balanced rotor power and reciprocating pump, ...

  4. Wind energy utilization: A bibliography

    Science.gov (United States)

    1975-01-01

    Bibliography cites documents published to and including 1974 with abstracts and references, and is indexed by topic, author, organization, title, and keywords. Topics include: Wind Energy Potential and Economic Feasibility, Utilization, Wind Power Plants and Generators, Wind Machines, Wind Data and Properties, Energy Storage, and related topics.

  5. Wind Profiling Radar

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Clutter present in radar return signals as used for wind profiling is substantially removed by carrying out a Daubechies wavelet transformation on a time series of...

  6. Distributed Wind Market Applications

    Energy Technology Data Exchange (ETDEWEB)

    Forsyth, T.; Baring-Gould, I.

    2007-11-01

    Distributed wind energy systems provide clean, renewable power for on-site use and help relieve pressure on the power grid while providing jobs and contributing to energy security for homes, farms, schools, factories, private and public facilities, distribution utilities, and remote locations. America pioneered small wind technology in the 1920s, and it is the only renewable energy industry segment that the United States still dominates in technology, manufacturing, and world market share. The series of analyses covered by this report were conducted to assess some of the most likely ways that advanced wind turbines could be utilized apart from large, central station power systems. Each chapter represents a final report on specific market segments written by leading experts in this field. As such, this document does not speak with one voice but rather a compendium of different perspectives, which are documented from a variety of people in the U.S. distributed wind field.

  7. Monitoring of wind turbines

    Energy Technology Data Exchange (ETDEWEB)

    White, Jonathan R.; Adams, Douglas E.; Paquette, Josh

    2017-07-25

    Method and apparatus for determining the deflection or curvature of a rotating blade, such as a wind turbine blade or a helicopter blade. Also, methods and apparatus for establishing an inertial reference system on a rotating blade.

  8. Wind Measurement LIDAR Project

    Data.gov (United States)

    National Aeronautics and Space Administration — Systems & Processes Engineering Corporation (SPEC) proposes a Wind Measurement LIDAR whose sensor assembly is composed of SPEC Gen IV LIDAR seeker, with 12.8...

  9. Aerodynamics of wind turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    is also covered, as are eigenmodes and the dynamic behaviour of a turbine. The book describes the effects of the dynamics and how this can be modelled in an aeroelastic code, which is widely used in the design and verification of modern wind turbines. Furthermore, it examines how to calculate......Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its third edition, it has been substantially updated with respect to structural dynamics and control. The new control chapter now includes details on how to design...... Turbines (VAWT). Topics covered include increasing mass flow through the turbine, performance at low and high wind speeds, assessment of the extreme conditions under which the turbine will perform and the theory for calculating the lifetime of the turbine. The classical Blade Element Momentum method...

  10. EDITORIAL: Wind energy

    Science.gov (United States)

    Mann, Jakob; Nørkær Sørensen, Jens; Morthorst, Poul-Erik

    2008-01-01

    Wind energy is rapidly growing. In 2006 the installed generating capacity in the world increased by 25%, a growth rate which has more or less been sustained during the last decade. And there is no reason to believe that this growth will slow significantly in the coming years. For example, the United Kingdom's goal for installed wind turbines by 2020 is 33 GW up from 2 GW in 2006, an average annual growth rate of 22% over that period. More than half of all turbines are installed in Europe, but United States, India and lately China are also rapidly growing markets. The cradle of modern wind energy was set by innovative blacksmiths in rural Denmark. Now the wind provides more than 20% of the electrical power in Denmark, the industry has professionalized and has close ties with public research at universities. This focus issue is concerned with research in wind energy. The main purposes of research in wind energy are to: decrease the cost of power generated by the wind; increase the reliability and predictability of the energy source; investigate and reduce the adverse environmental impact of massive deployment of wind turbines; build research based educations for wind energy engineers. This focus issue contains contributions from several fields of research. Decreased costs cover a very wide range of activities from aerodynamics of the wind turbine blades, optimal site selection for the turbines, optimization of the electrical grid and power market for a fluctuating source, more efficient electrical generators and gears, and new materials and production techniques for turbine manufacturing. The United Kingdom recently started the construction of the London Array, a 1 GW off-shore wind farm east of London consisting of several hundred turbines. To design such a farm optimally it is necessary to understand the chaotic and very turbulent flow downwind from a turbine, which decreases the power production and increases the mechanical loads on other nearby turbines. Also

  11. Wind Tunnel Testing Facilities

    Data.gov (United States)

    Federal Laboratory Consortium — NASA Ames Research Center is pleased to offer the services of our premier wind tunnel facilities that have a broad range of proven testing capabilities to customers...

  12. Aerodynamics of wind turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its third edition, it has been substantially updated with respect to structural dynamics and control. The new control chapter now includes details on how to design...... a classical pitch and torque regulator to control rotational speed and power, while the section on structural dynamics has been extended with a simplified mechanical system explaining the phenomena of forward and backward whirling modes. Readers will also benefit from a new chapter on Vertical Axis Wind...... Turbines (VAWT). Topics covered include increasing mass flow through the turbine, performance at low and high wind speeds, assessment of the extreme conditions under which the turbine will perform and the theory for calculating the lifetime of the turbine. The classical Blade Element Momentum method...

  13. Aerodynamics of wind turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its third edition, it has been substantially updated with respect to structural dynamics and control. The new control chapter now includes details on how to design...... Turbines (VAWT). Topics covered include increasing mass flow through the turbine, performance at low and high wind speeds, assessment of the extreme conditions under which the turbine will perform and the theory for calculating the lifetime of the turbine. The classical Blade Element Momentum method...... is also covered, as are eigenmodes and the dynamic behaviour of a turbine. The book describes the effects of the dynamics and how this can be modelled in an aeroelastic code, which is widely used in the design and verification of modern wind turbines. Furthermore, it examines how to calculate...

  14. Wind Tunnel Facility

    Data.gov (United States)

    Federal Laboratory Consortium — This ARDEC facility consists of subsonic, transonic, and supersonic wind tunnels to acquire aerodynamic data. Full-scale and sub-scale models of munitions are fitted...

  15. Aerodynamics of wind turbines

    DEFF Research Database (Denmark)

    Hansen, Martin Otto Laver

    Aerodynamics of Wind Turbines is the established essential text for the fundamental solutions to efficient wind turbine design. Now in its third edition, it has been substantially updated with respect to structural dynamics and control. The new control chapter now includes details on how to design...... is also covered, as are eigenmodes and the dynamic behaviour of a turbine. The book describes the effects of the dynamics and how this can be modelled in an aeroelastic code, which is widely used in the design and verification of modern wind turbines. Furthermore, it examines how to calculate...... a classical pitch and torque regulator to control rotational speed and power, while the section on structural dynamics has been extended with a simplified mechanical system explaining the phenomena of forward and backward whirling modes. Readers will also benefit from a new chapter on Vertical Axis Wind...

  16. Wind_Speeds_Master

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — This data set included wind speeds for each subregion in the study (Georges Bank, Gulf of Maine, Southern New England, Middle Atlantic Bight) . The data came from...

  17. Wind Turbine Acoustics

    Science.gov (United States)

    Hubbard, Harvey H.; Shepherd, Kevin P.

    2009-01-01

    Wind turbine generators, ranging in size from a few kilowatts to several megawatts, are producing electricity both singly and in wind power stations that encompass hundreds of machines. Many installations are in uninhabited areas far from established residences, and therefore there are no apparent environmental impacts in terms of noise. There is, however, the potential for situations in which the radiated noise can be heard by residents of adjacent neighborhoods, particularly those neighborhoods with low ambient noise levels. A widely publicized incident of this nature occurred with the operation of the experimental Mod-1 2-MW wind turbine, which is described in detail elsewhere. Pioneering studies which were conducted at the Mod-1 site on the causes and remedies of noise from wind turbines form the foundation of much of the technology described in this chapter.

  18. Danish wind power in Brazil. Part 3. Brazilian wind conditions

    Energy Technology Data Exchange (ETDEWEB)

    Medeiros, M.E.; Farias, G. [Federal Univ. of Pernambuco, Wind Energy Group (Brazil)

    1996-01-01

    The report is prepared by the Wind Energy Group/Federal University of Pernambuco for the Folkecenter/Denmark. Its principle objective is to give representative wind data measured in several parts of Brazil. Topography analysis and other factors are also included. The Wind Energy Group at the Federal University of Pernambuco works for several state utility companies with the aim of the future production of a precise wind map of several regions in Brazil; Ceara, Para, Pernambuco, Alagoas, Bahia, Minas, Gerais and Parana, and in this report wind data from these areas are presented. The wind maps are analyzed using the `Wind Atlas Analysis and Application Program` (WASP) developed at Risoe National Laboratory, Roskilde, Denmark, and the accuracy of the wind speed measurements are guaranteed by calibration of the cup anemometers. A paper about, and giving data on, trade winds in Brazil is presented in the form of an appendix. Here it is concluded that wind characteristics in the Brazilian state of Ceara are unique and that the winds are very steady indeed, there are no gusts and winds have a low turbulence intensity. The variation of direction is limited to 1/4 of the wind rose. These winds are different from those encountered in Western Europe and North America and this necessitates a new design philosophy for the rotor, yaw mechanism and control system of any wind turbines to be installed in the region. (AB)

  19. Summertime wind climate in Yerevan: valley wind systems

    Science.gov (United States)

    Gevorgyan, Artur

    2017-03-01

    1992-2014 wind climatology analysis in Yerevan is presented with particular focus given to the summertime thermally induced valley wind systems. Persistence high winds are observed in Yerevan during July-August months when the study region is strongly affected by a heat-driven plain-plateau circulation. The local valley winds arrive in Yerevan in the evening hours, generally, from 1500 to 1800 UTC, leading to rapid enhancement of wind speeds and dramatic changes in wind direction. Valley-winds significantly impact the local climate of Yerevan, which is a densely populated city. These winds moderate evening temperatures after hot and dry weather conditions observed during summertime afternoons. On the other hand, valley winds result in significantly higher nocturnal temperatures and more frequent occurrence of warm nights (tn90p) in Yerevan due to stronger turbulent mixing of boundary layer preventing strong surface cooling and temperature drop in nighttime and morning hours. The applied WRF-ARW limited area model is able to simulate the key features of the observed spatial pattern of surface winds in Armenia associated with significant terrain channeling, wind curls, etc. By contrast, ECMWF EPS global model fails to capture mesoscale and local wind systems over Armenia. However, the results of statistical verification of surface winds in Yerevan showed that substantial biases are present in WRF 18-h wind forecasts, as well as, the temporal variability of observed surface winds is not reproduced adequately in WRF-ARW model.

  20. Perspectives on wind shear flight

    Science.gov (United States)

    Miele, A.; Wang, T.; Wu, G. D.

    1991-01-01

    Wind shears originating from downbursts have been the cause of many aircraft accidents in the past two decades. In turn, this has led to considerable research on wind shear avoidance systems and wind shear recovery systems. This paper reviews recent advances in wind shear recovery systems. It summarizes the work done at Rice University on trajectory optimization and trajectory guidance for two basic flight conditions: takeoff and abort landing. It appears that, in the relatively near future, an advanced wind shear control system can be developed, that is, capable of functioning in different wind models and covering the spectrum of flight conditions having interest in a wind shear encounter.

  1. Reliability Analysis of Wind Turbines

    DEFF Research Database (Denmark)

    Toft, Henrik Stensgaard; Sørensen, John Dalsgaard

    2008-01-01

    In order to minimise the total expected life-cycle costs of a wind turbine it is important to estimate the reliability level for all components in the wind turbine. This paper deals with reliability analysis for the tower and blades of onshore wind turbines placed in a wind farm. The limit states......) the reliability level for a wind turbine placed in a wind farm is considered, and wake effects from neighbouring wind turbines is taken into account. An illustrative example with calculation of the reliability for mudline bending of the tower is considered. In the example the design is determined according...

  2. Next Generation Wind Turbine

    Energy Technology Data Exchange (ETDEWEB)

    Cheraghi, S. Hossein [Western New England Univ., Springfield, MA (United States); Madden, Frank [FloDesign Wind Turbine Corp., Waltham, MA (United States)

    2012-09-01

    The goal of this collaborative effort between Western New England University's College of Engineering and FloDesign Wind Turbine (FDWT) Corporation to wok on a novel areodynamic concept that could potentially lead to the next generation of wind turbines. Analytical studies and early scale model tests of FDWT's Mixer/Ejector Wind Turbine (MEWT) concept, which exploits jet-age advanced fluid dynamics, indicate that the concept has the potential to significantly reduce the cost of electricity over conventional Horizontal Axis Wind Turbines while reducing land usage. This project involved the design, fabrication, and wind tunnel testing of components of MEWT to provide the research and engineering data necessary to validate the design iterations and optimize system performance. Based on these tests, a scale model prototype called Briza was designed, fabricated, installed and tested on a portable tower to investigate and improve the design system in real world conditions. The results of these scale prototype efforts were very promising and have contributed significantly to FDWT's ongoing development of a product scale wind turbine for deployment in multiple locations around the U.S. This research was mutually beneficial to Western New England University, FDWT, and the DOE by utilizing over 30 student interns and a number of faculty in all efforts. It brought real-world wind turbine experience into the classroom to further enhance the Green Engineering Program at WNEU. It also provided on-the-job training to many students, improving their future employment opportunities, while also providing valuable information to further advance FDWT's mixer-ejector wind turbine technology, creating opportunities for future project innovation and job creation.

  3. Wind Energy Teachers Guide

    Energy Technology Data Exchange (ETDEWEB)

    anon.

    2003-01-01

    This guide, created by the American Wind Association, with support from the U.S. Department of Energy, is a learning tool about wind energy targeted toward grades K-12. The guide provides teacher information, ideas for sparking children's and students' interest, suggestions for activities to undertake in and outside the classroom, and research tools for both teachers and students. Also included is an additional resources section.

  4. Database on Wind Characteristics

    DEFF Research Database (Denmark)

    Højstrup, J.; Ejsing Jørgensen, Hans; Lundtang Petersen, Erik

    1999-01-01

    his report describes the work and results of the project: Database on Wind Characteristics which was sponsered partly by the European Commision within the framework of JOULE III program under contract JOR3-CT95-0061......his report describes the work and results of the project: Database on Wind Characteristics which was sponsered partly by the European Commision within the framework of JOULE III program under contract JOR3-CT95-0061...

  5. Wind interviewet til politikken

    DEFF Research Database (Denmark)

    Wind, Marlene

    2017-01-01

    Fredag d. 29. september blev centerleder og professor ved Center for Europæisk Politik Marlene Wind interviewet til Politiken i forbindelse med det tyske forbundsvalgs betydning for EU's fremtid. Mange har spekuleret i om FDP (Freie Demokratische Partei) med deres unægtelige indflydelse på en...... kommende tysk koalition, kommer til at påvirke den tysk-franske alliance i EU-regi. Ikke hvis man spørger Marlene Wind:...

  6. Wind energy handbook

    CERN Document Server

    Burton, Tony; Sharpe, David; Bossanyi, Ervin

    2011-01-01

    Named as one of Choice's Outstanding Academic Titles of 2012Every year, Choice subject editors recognise the most significant print and electronic works reviewed in Choice during the previous calendar year. Appearing annually inChoice's January issue, this prestigious list of publications reflects the best in scholarly titles and attracts extraordinary attention from the academic library community. The authoritative reference on wind energy, now fully revised and updated to include offshore wind power<

  7. Small wind turbine

    OpenAIRE

    Vélez Castellano, Didier

    2010-01-01

    The main objective is to develop a project on installing a small wind turbine at the University of Glyndwr in Wrexham Wales. Today are immersed in a world seeking clean energy for reduce greenhouse gases because this problem is becoming a global reality. So installing a small wind turbine at the university would provide large quantity of clean energy to supply a workshop and also reduce the expulsion of CO2 into the atmosphere. The main characteristic of the turbine under...

  8. Wind turbine state estimation

    OpenAIRE

    Knudsen, Torben

    2014-01-01

    Dynamic inflow is an effect which is normally not included in the models used for wind turbine control design. Therefore, potential improvement from including this effect exists. The objective in this project is to improve the methods previously developed for this and especially to verify the results using full-scale wind turbine data. The previously developed methods were based on extended Kalman filtering. This method has several drawback compared to unscented Kalman filtering which has the...

  9. Wind turbine reliability analysis

    OpenAIRE

    Pinar Pérez, Jesús María; García Márquez, Fausto Pedro; Tobias, Andrew Mark; Papaelias, Mayorkinos

    2013-01-01

    Against the background of steadily increasing wind power generation worldwide, wind turbine manufacturers are continuing to develop a range of configurations with different combinations of pitch control, rotor speeds, gearboxes, generators and converters. This paper categorizes the main designs, focusing on their reliability by bringing together and comparing data from a selection of major studies in the literature. These are not particularly consistent but plotting failure rates against hour...

  10. Wind Conditions for Wind Farm Hanstholm

    DEFF Research Database (Denmark)

    Pena Diaz, Alfredo; Hahmann, Andrea N.; Mann, Jakob

    The net annual energy production (AEP) of the Hanstholm Wind Farm is 158 GWh per year for the Siemens SWT-3.6-120 turbine and 140 GWh for the Vestas V112-3.0 turbine. These values have an uncertainty (standard deviation) of 6%. This result is mainly based on the data for Risø DTU’s test station...... at Høvsøre where wind speeds are measured at approximately the same height as the turbines at Hanstholm and where the terrain is similar. On top of that meso-scale modeling has been used to extrapolate the climatology from Høvsøre to Hanstholm increasing the AEP by almost 6% compared to just using...... the Høvsøre climatology directly. This method of extrapolation is rather new, but several older investigations indicate that the wind resource at Hanstholm is slightly higher than at Høvsøre. The work is carried out for Grontmij-Carl Bro according to a contract dated January 18th 2011....

  11. Wind turbine aerodynamics

    Energy Technology Data Exchange (ETDEWEB)

    Johnson, D.A. [Waterloo Univ., ON (Canada). Dept. of Mechanical Engineering, Wind Energy Group

    2010-07-01

    The need for clean, renewable electricity in remote communities of Canada and the world was discussed in this presentation. The University of Waterloo Wind Energy Laboratory (WEL) performs research in a large scale indoor environment on wind turbines, blade aerodynamics, and aeroacoustics. A key area of research involves developing turbines for remote off-grid communities where climatic conditions are challenging. This presentation outlined research that is underway on wind energy and off-grid renewable energy systems. Many communities in Canada and remote communities in the rest of the world are not connected to the grid and are dependent on other means to supply electrical energy to their community. Remote communities in northern Canada have no road access and diesel is the dominant source of electrical energy for these communities. All of the community supply of diesel comes from brief winter road access or by air. The presentation discussed existing diesel systems and the solution of developing local renewable energy sources such as wind, hydro, biomass, geothermal, and solar power. Research goals, wind energy activities, experimental equipment, and the results were also presented. Research projects have been developed in wind energy; hydrogen generation/storage/utilization; power electronics/microgrid; and community engagement. figs.

  12. Wind turbines and health

    Energy Technology Data Exchange (ETDEWEB)

    Rideout, K.; Copes, R.; Bos, C. [National Colaborating Centre for Environmental Health, Vancouver, BC (Canada)

    2010-01-15

    This document summarized the potential health hazards associated with wind turbines, such as noise and low frequency sound, vibration and infrasound; electromagnetic fields (EMF); shadow flicker; and ice throw and structural failure. Various symptoms can be attributed to wind turbines, including dizziness, sleep disruption, and headaches. A review of available research regarding potential health affects to residents living in close proximity to wind turbines showed that the sound level associated with wind turbines at common residential setbacks is not sufficient to damage hearing, but may lead to annoyance and sleep disturbance. Research has shown that wind turbines are not a significant source of EMF exposure, and although shadows caused by the blades may be annoying, they are not likely to cause epileptic seizures at normal operational speeds. The risk of injury from ice throw can be minimized with setbacks of 200 to 400 m. Examples of Canadian wind turbine setback guidelines and regulations were also offered. It was concluded that setbacks and operational guidelines can be utilized in combination to address safety hazards, sound levels, land use issues, and impacts on people. 46 refs., 2 tabs., 2 figs.

  13. Tornado type wind turbines

    Science.gov (United States)

    Hsu, Cheng-Ting

    1984-01-01

    A tornado type wind turbine has a vertically disposed wind collecting tower with spaced apart inner and outer walls and a central bore. The upper end of the tower is open while the lower end of the structure is in communication with a wind intake chamber. An opening in the wind chamber is positioned over a turbine which is in driving communication with an electrical generator. An opening between the inner and outer walls at the lower end of the tower permits radially flowing air to enter the space between the inner and outer walls while a vertically disposed opening in the wind collecting tower permits tangentially flowing air to enter the central bore. A porous portion of the inner wall permits the radially flowing air to interact with the tangentially flowing air so as to create an intensified vortex flow which exits out of the top opening of the tower so as to create a low pressure core and thus draw air through the opening of the wind intake chamber so as to drive the turbine.

  14. Sensing the wind profile

    DEFF Research Database (Denmark)

    Pena Diaz, Alfredo

    2009-01-01

    This thesis consists of two parts. The first is a synopsis of the theoretical progress of the study that is based on a number of journal papers. The papers, which constitute the second part of the report, aim to analyze, measure, and model the wind prole in and beyond the surface layer by combining...... observations from cup anemometers with lidars. The lidar is necessary to extend the measurements on masts at the Horns Rev offshore wind farm and over at land at Høvsøre, Denmark. Both sensing techniques show a high degree of agreement for wind speed measurements performed at either sites. The wind speed...... measurements are averaged for several stability conditions and compare well with the surface-layer wind profile. At Høvsøre, it is sufficient to scale the wind speed with the surface friction velocity, whereas at Horns Rev a new scaling is added, due to the variant roughness length. This new scaling is coupled...

  15. Floating wind turbine system

    Science.gov (United States)

    Viterna, Larry A. (Inventor)

    2009-01-01

    A floating wind turbine system with a tower structure that includes at least one stability arm extending therefrom and that is anchored to the sea floor with a rotatable position retention device that facilitates deep water installations. Variable buoyancy for the wind turbine system is provided by buoyancy chambers that are integral to the tower itself as well as the stability arm. Pumps are included for adjusting the buoyancy as an aid in system transport, installation, repair and removal. The wind turbine rotor is located downwind of the tower structure to allow the wind turbine to follow the wind direction without an active yaw drive system. The support tower and stability arm structure is designed to balance tension in the tether with buoyancy, gravity and wind forces in such a way that the top of the support tower leans downwind, providing a large clearance between the support tower and the rotor blade tips. This large clearance facilitates the use of articulated rotor hubs to reduced damaging structural dynamic loads. Major components of the turbine can be assembled at the shore and transported to an offshore installation site.

  16. Coastal Ohio Wind Project

    Energy Technology Data Exchange (ETDEWEB)

    Gorsevski, Peter [Bowling Green State Univ., OH (United States); Afjeh, Abdollah [Univ. of Toledo, OH (United States); Jamali, Mohsin [Univ. of Toledo, OH (United States); Bingman, Verner [Bowling Green State Univ., OH (United States)

    2014-04-04

    The Coastal Ohio Wind Project intends to address problems that impede deployment of wind turbines in the coastal and offshore regions of Northern Ohio. The project evaluates different wind turbine designs and the potential impact of offshore turbines on migratory and resident birds by developing multidisciplinary research, which involves wildlife biology, electrical and mechanical engineering, and geospatial science. Firstly, the project conducts cost and performance studies of two- and three-blade wind turbines using a turbine design suited for the Great Lakes. The numerical studies comprised an analysis and evaluation of the annual energy production of two- and three-blade wind turbines to determine the levelized cost of energy. This task also involved wind tunnel studies of model wind turbines to quantify the wake flow field of upwind and downwind wind turbine-tower arrangements. The experimental work included a study of a scaled model of an offshore wind turbine platform in a water tunnel. The levelized cost of energy work consisted of the development and application of a cost model to predict the cost of energy produced by a wind turbine system placed offshore. The analysis found that a floating two-blade wind turbine presents the most cost effective alternative for the Great Lakes. The load effects studies showed that the two-blade wind turbine model experiences less torque under all IEC Standard design load cases considered. Other load effects did not show this trend and depending on the design load cases, the two-bladed wind turbine showed higher or lower load effects. The experimental studies of the wake were conducted using smoke flow visualization and hot wire anemometry. Flow visualization studies showed that in the downwind turbine configuration the wake flow was insensitive to the presence of the blade and was very similar to that of the tower alone. On the other hand, in the upwind turbine configuration, increasing the rotor blade angle of attack

  17. Delitos y delincuentes. Cuba en los finales del siglo XIX e inicios del XX

    Directory of Open Access Journals (Sweden)

    Yolanda Díaz Martínez

    2017-01-01

    Full Text Available En el discurso o cial de las elites y la administración colonial en Cuba, la población negra frecuentemente era presentada como un sector propenso a cometer delitos; las estructuras creadas en la isla para garantizar el orden y control de sus habitantes si bien eran aplicables a todos los sectores sociales, hacían especial énfasis y eran más estrictas y severas con los pobladores negros. En el presente trabajo abordaremos algunas cuestiones relacionadas con la criminalidad después de ser abolido el régimen esclavista y en los inicios del siglo XX. A través de expedientes judiciales, causas criminales y diversos documentos, demostraremos el distanciamiento entre el discurso o cial propalador de una criminalidad negra y la realidad social en la que la delincuencia y las diversas formas que adoptada se encontraban extendidas entre diferentes sectores y grupos poblacionales.Palabras clave: Delincuencia, justicia, esclavos, racismo. AbstractIn the social discourse of the elites and the colonial administration in Cuba, the black population was often presented as a sector prone to commit crimes; the structures created on the island to ensure order and control its inhabitants if they were well applicable to all social sectors, emphasis and were made more stringent and severe with black people. In the present work we will address some issues related to criminality after the abolition of the slave regime and in the early twentieth century. Through court records, criminal cases and various documents, we demonstrate the distance between discourse or official peddler of black crime and the social reality in which crime and various forms adopted were spread across sectors and population groups.Key words: Delinquency, justice, slaves, racismResumo No discurso o cial das elites e da administração colonial em Cuba, a população negra foi frequentemente apresenta- do como umas pessoas propensas a cometer crimes; as estruturas criadas na

  18. Análise: indicadores de pesquisa do XX Congresso Brasileiro de Ciência e Tecnologia de Alimentos Analysis: research indicators of the XX Brazilian Congress of Food Science and Technology

    Directory of Open Access Journals (Sweden)

    Renato João Sossela de Freitas

    2007-08-01

    Full Text Available Em outubro de 2006, a Regional do Paraná sediou em Curitiba o XX Congresso Brasileiro de Ciência e Tecnologia de Alimentos (XX CBCTA com o tema Alimentos e Agroindústrias Brasileiras no Contexto Internacional. O objetivo deste Congresso foi discutir o desenvolvimento científico e tecnológico e a inovação na indústria de alimentos no cenário nacional e internacional. O programa científico foi abrangente e diversificado, com Conferências, Palestras, Mesas-Redondas, Curso de Atualização, Clínicas Tecnológicas, Visitas Técnicas e Apresentações de Trabalhos Científicos em oito áreas definidas pelo Congresso. Como resultado da realização do XX CBCTA, esta análise visa uma apresentação e discussão dos indicadores da pesquisa da área de Ciência e Tecnologia de Alimentos do País e contribuição ao desenvolvimento científico e tecnológico da área, bem como subsídios para órgãos de fomento para decisão de investimentos na pesquisa e na formação de recursos humanos. No XX CBCTA, foi apresentado um total de 2066 trabalhos científicos de todo o Brasil, com exceção do Estado de Rondônia. Os trabalhos foram registrados no banco de dados e utilizados para esta análise. As inscrições foram escolhidas de acordo com a área da pesquisa de cada trabalho, sob responsabilidade de cada autor. As áreas definidas pela Comissão Científica do Congresso foram: Embalagem (EB; Método Analítico (MA; Microbiologia, Micotoxicologia e Biotecnologia (MB; Nutrição, Saúde e Alimentação (NA; Processo e Desenvolvimento de Produto (PD; Qualidade de Alimentos (QA; Química e Bioquímica (QB; e Resíduo Agroindustrial e Meio Ambiente (RM. Foi utilizado o Programa da Microsoft® Office Excel para a composição dos gráficos, versão Windows XP.In October, 2006, the Brazilian Society of Food Science and Technology - Regional Paraná got up in Curitiba the XX Brazilian Congress of Food Science and Technology (XX CBCTA with the theme

  19. Small Wind Site Assessment Guidelines

    Energy Technology Data Exchange (ETDEWEB)

    Olsen, Tim [Advanced Energy Systems LLC, Eugene, OR (United States); Preus, Robert [National Renewable Energy Lab. (NREL), Golden, CO (United States)

    2015-09-01

    Site assessment for small wind energy systems is one of the key factors in the successful installation, operation, and performance of a small wind turbine. A proper site assessment is a difficult process that includes wind resource assessment and the evaluation of site characteristics. These guidelines address many of the relevant parts of a site assessment with an emphasis on wind resource assessment, using methods other than on-site data collection and creating a small wind site assessment report.

  20. Wind Energy Workforce Development & Jobs

    Energy Technology Data Exchange (ETDEWEB)

    Tegen, Suzanne

    2016-11-08

    The United States needs a skilled and qualified wind energy workforce to produce domestic clean power. To assist with wind energy workforce development, the U.S. Department of Energy (DOE) and National Renewable Energy Laboratory are engaged with several efforts.This presentation by Suzanne Tegen describes these efforts, including a wind industry survey, DOE's Wind Career Map, the DOE Wind Vision report, and an in-depth discussion of the Jobs & Economic Development Impacts Model.

  1. Wind turbine control and monitoring

    CERN Document Server

    Luo, Ningsu; Acho, Leonardo

    2014-01-01

    Maximizing reader insights into the latest technical developments and trends involving wind turbine control and monitoring, fault diagnosis, and wind power systems, 'Wind Turbine Control and Monitoring' presents an accessible and straightforward introduction to wind turbines, but also includes an in-depth analysis incorporating illustrations, tables and examples on how to use wind turbine modeling and simulation software.   Featuring analysis from leading experts and researchers in the field, the book provides new understanding, methodologies and algorithms of control and monitoring, comput

  2. 75 FR 47301 - Cedro Hill Wind LLC; Butler Ridge Wind Energy Center, LLC; High Majestic Wind Energy Center, LLC...

    Science.gov (United States)

    2010-08-05

    ...; EG10-36-000; EG10-37-000; EG10-38-000] Cedro Hill Wind LLC; Butler Ridge Wind Energy Center, LLC; High Majestic Wind Energy Center, LLC; Wessington Wind Energy Center, LLC; Juniper Canyon Wind Power LLC; Loraine Windpark Project, LLC; White Oak Energy LLC; Meadow Lake Wind Farm III LLC; Meadow Lake Wind Farm...

  3. Las ondas largas de la política en el siglo XX

    Directory of Open Access Journals (Sweden)

    Gregorio Valdelvira González

    1998-01-01

    Full Text Available En el siglo XX podemos distinguir dos grandes ciclos políticos de onda larga. En el primero las dictaduras son fuertes y la democracia encuentra serias dificultades para mantenerse. En el segundo los regímenes autoritarios son los débiles y la democracia se extiende y fortalece. Estos ciclos coinciden con otros de tipo económico. La concordancia se debe a que los problemas de cada ciclo económico se abordan de manera más eficaz desde las correspondientes formas políticas generadas por los imperativos de la economía. Igual que las crisis de 1920 y 1929 contribuyeron a la expansión del fascismo y del autoritarismo, las de 1973 y 1979 coadyuvaron a la de la democracia. Este postulado no debe interpretarse de manera mecanicista; se trata de explicar un proceso histórico general, el de las transiciones democráticas del último cuarto del siglo XX, investigando una de las claves, quizá la más importante, las fluctuaciones de la economía.In the 20th century, we can differentiate two major long wave political cycles. In tfie first one, dictatorstiips become strong, while democracy finds itself at great pains to maintain its claims. In the second cycle, authoritarian regimes weaken and democracy spreads and grows stronger. There two cycles coincide with others of economic nature. This coincidence is due to the fact that in each economic cycle, problems are more efficiently deait with as seen from their corresponding political Systems, generated in turn by the imperativos of economy. In the same way as the crisis of 1920 and 1929 contribute to expand fascism and authoritarianism, so those of 1973 and 1979 also favoured the expansión of democracy. This postúlate should not be interpreted in a mechanistic way; we are trying to explain a general historical process, the transitions to democracy in the final quarter of the 20th century, investigating one of the key factors, perhaps the fundamental one, which is the fluctuations in economy.

  4. Anti-corruption legislation of the Russian empire XIX – early XX centuries

    Directory of Open Access Journals (Sweden)

    Nadezhda M. Korneva

    2016-03-01

    Full Text Available The article is devoted to the history of anti-corruption and bribery as one of its kinds in the Russian Empire. Corruption as a complex social phenomenon that occurs in the process of socio-economic, political and social relations has become one of the most pressing political, social and economic problems of modern Russia. The corruption in the state apparatus not only cause serious, sometimes unsolvable problems for the citizens, but also hinder the normal functioning of the administrative bodies and authorities. The legal component, the development and adoption of relevant laws perform a special role in combating corruption. For many centuries government has repeatedly attempted if not to eliminate or at least to curb corruption in numerous managerial and administrative apparatus. The greatest interest in this regard is the imperial period of Russian history. The authors study the history of the development of criminal and civil law in the Code of the Russian Empire Publishing Laws 1832 of the penal Code and criminal Corrections 1845 judicial statutes in 1864 and subsequent legislation late XIX – the beginning of the XX century, the history of the development of appropriate laws, trace the change in order to prosecute and the degree of responsibility of the officials on the basis of unpublished material of the State Council, the State Duma and the Ministry of Justice, are stored in the Russian State Historical Archive, as well as the published acts of the Russian legislation, the verbatim records of the State Duma and the Council of State. During the XIX and early XX centuries Russian legislation has been streamlined and systematized: work was carried out on the codification of laws, created new codes of substantive and procedural law, a significant development has been and anti-corruption legislation. The appeal to the legislative materials, to the works of pre-revolutionary Russian lawyers and statesmen and the Ministry of Justice, are

  5. ZABYTKI TECHNIKI MIASTA PRZEMYŚLA Z PRZEŁOMU XIX/XX WIEKU

    Directory of Open Access Journals (Sweden)

    Marek GOSZTYŁA

    2016-05-01

    Full Text Available W drugiej połowie XIX i na początku XX w. w rozwoju przestrzennym Przemyśla znaczącą rolę odegrały trzy główne czynniki: budowa umocnień twierdzy wokół Przemyśla i towarzysząca jej budowa całego systemu koszar i zaplecza logistycznego dla twierdzy w obrębie miasta [1, s. 10], budowa w 1859 r. linii kolejowej łączącej Przemyśl z Krakowem, Wiedniem oraz Lwowem i linii kolejowej łączącej Przemyśl przez przełęcz Łupkowską z Węgrami w 1872 r. [1, s. 16] Trzecim czynnikiem było uchwalenie 23 XII 1891 r. regulacji ulic Przemyśla, która dotyczyła niemal całego miasta [2]. Była to ogólnoeuropejska tendencja związana z okresem nazywanym również drugą rewolucją przemysłową. W Przemyślu wyznaczono nową sieć komunikacyjną drogową i kolejową, nowoczesne na ówczesne standardy place targowe, wybudowano wiadukty drogowe, infrastrukturę techniczną tj. stację i sieć wodociągową, elektrownię i sieci kanalizacyjne. Budowle inżynierskie wybudowane w tamtym okresie służyły miastu aż do końca XX wieku, a inwestycje drogowe, architektoniczne po pracach modernizacyjnych i konserwatorskich włączone do współczesnych miejskich funkcji są świadkami rozwoju przestrzennego ośrodka. Zabytkowa infrastruktura stanowi dodatkową wartość kulturową organizmu miejskiego.

  6. Dynamical downscaling of wind fields for wind power applications

    Science.gov (United States)

    Mengelkamp, H.-T.; Huneke, S.; Geyer, J.

    2010-09-01

    Dynamical downscaling of wind fields for wind power applications H.-T. Mengelkamp*,**, S. Huneke**, J, Geyer** *GKSS Research Center Geesthacht GmbH **anemos Gesellschaft für Umweltmeteorologie mbH Investments in wind power require information on the long-term mean wind potential and its temporal variations on daily to annual and decadal time scales. This information is rarely available at specific wind farm sites. Short-term on-site measurements usually are only performed over a 12 months period. These data have to be set into the long-term perspective through correlation to long-term consistent wind data sets. Preliminary wind information is often asked for to select favourable wind sites over regional and country wide scales. Lack of high-quality wind measurements at weather stations was the motivation to start high resolution wind field simulations The simulations are basically a refinement of global scale reanalysis data by means of high resolution simulations with an atmospheric mesoscale model using high-resolution terrain and land-use data. The 3-dimensional representation of the atmospheric state available every six hours at 2.5 degree resolution over the globe, known as NCAR/NCEP reanalysis data, forms the boundary conditions for continuous simulations with the non-hydrostatic atmospheric mesoscale model MM5. MM5 is nested in itself down to a horizontal resolution of 5 x 5 km². The simulation is performed for different European countries and covers the period 2000 to present and is continuously updated. Model variables are stored every 10 minutes for various heights. We have analysed the wind field primarily. The wind data set is consistent in space and time and provides information on the regional distribution of the long-term mean wind potential, the temporal variability of the wind potential, the vertical variation of the wind potential, and the temperature, and pressure distribution (air density). In the context of wind power these data are used

  7. Wind power today: 1999 Wind Energy program highlights

    Energy Technology Data Exchange (ETDEWEB)

    Weis-Taylor, Pat

    2000-04-06

    Wind Power Today is an annual publication that provides an overview for the Department of Energy's Wind Energy Program. The purpose of Wind Power Today is to show how DOE's Wind Energy Program supports wind turbine research and deployment in hopes of furthering the advancement of wind technologies that produce clean, low-cost, reliable energy for the 21st century. Content objectives include: Educate readers about the advantages and potential for widespread deployment of wind energy; explain DOE wind energy program objectives and goals; describe program accomplishments in research and application; examine the barriers to widespread deployment; describe benefits of continued research and development; facilitate technology transfer; attract cooperative wind energy projects with industry.

  8. Wind Atlas of Bay of Bengal with Satellite Wind Measurement

    DEFF Research Database (Denmark)

    Nadi, Navila Rahman

    The objective of this study is to obtain appropriate offshore location in the Bay of Bengal, Bangladesh for further development of wind energy. Through analyzing the previous published works, no offshore wind energy estimation has been found here. That is why, this study can be claimed as the first...... footstep towards offshore wind energy analysis for this region. Generally, it is difficult to find offshore wind data relative to the wind turbine hub heights, therefore a starting point is necessary to identify the possible wind power density of the region. In such scenario, Synthetic aperture radars (SAR......) have proven useful. In this study, SAR based dataset- ENVISAT ASAR has been used for Wind Atlas generation. Furthermore, a comparative study has been performed with Global Wind Atlas (GWA) to determine a potential offshore wind farm. Additionally, the annual energy production of that offshore windfarm...

  9. ValidWind applications: wind power prospecting, aerosol transport

    Science.gov (United States)

    Wilkerson, T.; Marchant, A.; Apedaile, T.; Scholes, D.; Simmons, J.; Bradford, B.

    2010-10-01

    The ValidWind™ system employs an XL200 laser rangefinder to track small, lightweight, helium-filled balloons (0.33 meters, 0.015 kg). We record their trajectories (range resolution 0.5 meters) and automatically produce local wind profiles in real time. Tracking range is enhanced beyond 2 km by applying retro-reflector tape to the balloons. Aerodynamic analysis shows that ValidWind balloon motion is well coupled to the local wind within relaxation times { 1 second, due to drag forces at subcritical Reynolds numbers Re wind as opposed to being fixed in space. In a field campaign involving many balloons, slight variations in ground level winds at launch lead to trajectory patterns that we analyze to derive 3D maps of the vertical and horizontal wind profiles downwind of the launch area. Field campaigns are focused on likely sites for wind power generation and on facilities from which airborne particulates are emitted. We describe results of wind measurements in Utah near the cities of Clarkston, Logan, and Ogden. ValidWind is a relatively inexpensive wind sensor that is easily and rapidly transported and deployed at remote sites. It is an ideal instrument for wind prospecting to support early decisions required, for example, in siting meteorology towers. ValidWind provides high-resolution, real time characterization of the average and changing 3D wind fields in which wind power turbines and other remote sensors must operate.

  10. When real life wind speed exceeds design wind assumptions

    Energy Technology Data Exchange (ETDEWEB)

    Winther-Jensen, M.; Joergensen, E.R. [Risoe National Lab., Roskilde (Denmark)

    1999-03-01

    Most modern wind turbines are designed according to a standard or a set of standards to withstand the design loads with a defined survival probability. Mainly the loads are given by the wind conditions on the site defining the `design wind speeds`, normally including extreme wind speeds given as an average and a peak value. The extreme wind speeds are normally (e.g. in the upcoming IEC standard for wind turbine safety) defined as having a 50-year recurrence period. But what happens when the 100 or 10,000 year wind situation hits a wind turbine? Results on wind turbines of wind speeds higher than the extreme design wind speeds are presented based on experiences especially from the State of Gujarat in India. A description of the normal approach of designing wind turbines in accordance with the standards in briefly given in this paper with special focus on limitations and built-in safety levels. Based on that, other possibilities than just accepting damages on wind turbines exposed for higher than design wind speeds are mentioned and discussed. The presentation does not intend to give the final answer to this problem but is meant as an input to further investigations and discussions. (au)

  11. Evaluation of wind farm efficiency and wind turbine wakes at the Nysted offshore wind farm

    DEFF Research Database (Denmark)

    Barthelmie, Rebecca Jane; Jensen, L.E.

    2010-01-01

    Here, we quantify relationships between wind farm efficiency and wind speed, direction, turbulence and atmospheric stability using power output from the large offshore wind farm at Nysted in Denmark. Wake losses are, as expected, most strongly related to wind speed variations through the turbine...... thrust coefficient; with direction, atmospheric stability and turbulence as important second order effects. While the wind farm efficiency is highly dependent on the distribution of wind speeds and wind direction, it is shown that the impact of turbine spacing on wake losses and turbine efficiency can...... be quantified, albeit with relatively large uncertainty due to stochastic effects in the data. There is evidence of the ‘deep array effect’ in that wake losses in the centre of the wind farm are under-estimated by the wind farm model WAsP, although overall efficiency of the wind farm is well predicted due...

  12. Poética del "pathos" en la iconografía de la pintura mejicana del siglo XX, La

    OpenAIRE

    Medina Prado, Rebeca

    2007-01-01

    En este trabajo se investiga la "Poética del Pathos en la iconografía de la pintura mexicana del siglo XX". Uno de los motivos de dicha investigación ha sido la enorme expectación que se creó en México en la década de los años veinte del siglo XX frente al renacimiento artístico de la pintura mural y de caballete, creada bajo el patrocinio del Gobierno de México. El Ministro de Educación José Vasconcelos convocó a los pintores que se encontraban en Europa o Estados Unidos de Norteamérica, par...

  13. La Poética del "pathos" en la iconografía de la pintura mejicana del siglo XX

    OpenAIRE

    Medina Prado, Rebeca

    2007-01-01

    [spa] En este trabajo se investiga la "Poética del Pathos en la iconografía de la pintura mexicana del siglo XX". Uno de los motivos de dicha investigación ha sido la enorme expectación que se creó en México en la década de los años veinte del siglo XX frente al renacimiento artístico de la pintura mural y de caballete, creada bajo el patrocinio del Gobierno de México. El Ministro de Educación José Vasconcelos convocó a los pintores que se encontraban en Europa o Estados Unidos de Norteaméric...

  14. Wind energy: Program overview, FY 1992

    Energy Technology Data Exchange (ETDEWEB)

    1993-06-01

    The DOE Wind Energy Program assists utilities and industry in developing advanced wind turbine technology to be economically competitive as an energy source in the marketplace and in developing new markets and applications for wind systems. This program overview describes the commercial development of wind power, wind turbine development, utility programs, industry programs, wind resources, applied research in wind energy, and the program structure.

  15. Dicósimo, Daniel y Simonassi, Silvia (comp., Trabajadores y empresarios en la Argentina del siglo XX: indagaciones desde la historia social

    Directory of Open Access Journals (Sweden)

    Valeria Ianni

    2013-01-01

    Full Text Available Dicósimo, Daniel y Simonassi, Silvia (comp., Trabajadores y empresarios en la Argentina del siglo XX: indagaciones desde la historia social, Prohistoria ediciones, Rosario, 2011 (194 págs..

  16. [Martin Klesment. Fertility development in Estonia during the second half of the XX century: the economic context and its implications] / Olaf Mertelsmann

    Index Scriptorium Estoniae

    Mertelsmann, Olaf, 1969-

    2011-01-01

    Arvustus: Martin Klesment. Fertility development in Estonia during the second half of the XX century: the economic context and its implications. Tallinna Ülikooli sotsiaalteaduste dissertatsioonid, 46. Tallinn: Tallinna Ülikool 2010

  17. [Martin Klesment. Fertility development in Estonia during the second half of the XX century: the economic context and its implications] / Olaf Mertelsmann

    Index Scriptorium Estoniae

    Mertelsmann, Olaf, 1969-

    2011-01-01

    Arvustus: Martin Klesment. Fertility development in Estonia during the second half of the XX century: the economic context and its implications. Tallinn: Tallinna Ülikool, 2010. (Tallinna Ülikooli sotsiaalteaduste dissertatsioonid, 46)

  18. THE EVOLUTION OF INFORMATION AND COMMUNICATION TECHNOLOGY OF EDUCATION OF STUDENTS AT HIGHER EDUCATIONAL INSTITUTIONS OF UKRAINE IN 90-s XX CENTURY – BEGINNING OF XXI CENTURY

    National Research Council Canada - National Science Library

    O. Voronkin

    2014-01-01

    The article presents results of analysis research of the evolution of information and communication technology of education of students in higher educational institutions of Ukraine with 90-s XX century until today...

  19. The Wind Integration National Dataset (WIND) toolkit (Presentation)

    Energy Technology Data Exchange (ETDEWEB)

    Caroline Draxl: NREL

    2014-01-01

    Regional wind integration studies require detailed wind power output data at many locations to perform simulations of how the power system will operate under high penetration scenarios. The wind datasets that serve as inputs into the study must realistically reflect the ramping characteristics, spatial and temporal correlations, and capacity factors of the simulated wind plants, as well as being time synchronized with available load profiles.As described in this presentation, the WIND Toolkit fulfills these requirements by providing a state-of-the-art national (US) wind resource, power production and forecast dataset.

  20. Wind Powering America Podcasts, Wind Powering America (WPA)

    Energy Technology Data Exchange (ETDEWEB)

    2012-04-01

    Wind Powering America and the National Association of Farm Broadcasters produce a series of radio interviews featuring experts discussing wind energy topics. The interviews are aimed at a rural stakeholder audience and are available as podcasts. On the Wind Powering America website, you can access past interviews on topics such as: Keys to Local Wind Energy Development Success, What to Know about Installing a Wind Energy System on Your Farm, and Wind Energy Development Can Revitalize Rural America. This postcard is a marketing piece that stakeholders can provide to interested parties; it will guide them to this online resource for podcast episodes.

  1. Wind energy: Overcoming inadequate wind and modeling uncertainties

    Energy Technology Data Exchange (ETDEWEB)

    Kane, Vivek

    2010-09-15

    'Green Energy' is the call of the day, and significance of Wind Energy can never be overemphasized. But the key question here is - What if the wind resources are inadequate? Studies reveal that the probability of finding favorable wind at a given place on land is only 15%. Moreover, there are inherent uncertainties associated with wind business. Can we overcome inadequate wind resources? Can we scientifically quantify uncertainty and model it to make business sense? This paper proposes a solution, by way of break-through Wind Technologies, combined with advanced tools for Financial Modeling, enabling vital business decisions.

  2. Public Administration Theoretical Aspects Disputes in Legal Science of the Second Half of XX – Early XXI Centuries

    OpenAIRE

    Ol'ga D. Karnaukh

    2013-01-01

    The article is focused on comparative aspect of different approaches to the “public administration” notion in the legal science of the second half of the XX – early XXI centuries. The author came to a conclusion that the study of many pre-revolutionary, Soviet and modern scientists’ views of the problem of public administration notion definition, its structure, functional orientation and territory administration features allows to conclude that different approaches to its understanding, devel...

  3. RUSSIAN ORTHODOX CHURCH IN THE STRUCTURE OF STATE ADMINISTRATION IN THE XIX - BEGINNING XX centuries (theses of the monograph)

    OpenAIRE

    Ershov Bogdan Anatolievich

    2017-01-01

    INTRODUCTION The study identifies the key areas of the charitable and educational activities of the Orthodox Church, which are analyzed during religious reforms in the XIX and early XX century. in Russia. It is shown that at that time the scale of charity aid and the responsibilities of charitable organizations increased; the control over the distribution of aid has improved, the role of the Church in the social protection of the population has increased. The conclusions made in the m...

  4. A democracia no Brasil: elementos norteadores do debate desenvolvido na segunda metade do século XX

    Directory of Open Access Journals (Sweden)

    Maria José de Rezende

    1996-12-01

    Full Text Available Este artigo mapeia as principais discussões acerca da democracia no Brasil a partir da segunda metade do século XX. Percorreu-se, assim, o debate que floresceu, principalmente, entre 1946 e 1964 e entre 1973 e 1984, tendo em vista que durante a primeira década pós-golpe o grupo de poder da ditadura militar quase que monopolizou o uso da palavra democracia.

  5. XY sex chromosome complement, compared with XX, in the CNS confers greater neurodegeneration during experimental autoimmune encephalomyelitis.

    Science.gov (United States)

    Du, Sienmi; Itoh, Noriko; Askarinam, Sahar; Hill, Haley; Arnold, Arthur P; Voskuhl, Rhonda R

    2014-02-18

    Women are more susceptible to multiple sclerosis (MS) and have more robust immune responses than men. However, men with MS tend to demonstrate a more progressive disease course than women, suggesting a disconnect between the severity of an immune attack and the CNS response to a given immune attack. We have previously shown in an MS model, experimental autoimmune encephalomyelitis, that autoantigen-sensitized XX lymph node cells, compared with XY, are more encephalitogenic. These studies demonstrated an effect of sex chromosomes in the induction of immune responses, but did not address a potential role of sex chromosomes in the CNS response to immune-mediated injury. Here, we examined this possibility using XX versus XY bone marrow chimeras reconstituted with a common immune system of one sex chromosomal type. We found that experimental autoimmune encephalomyelitis mice with an XY sex chromosome complement in the CNS, compared with XX, demonstrated greater clinical disease severity with more neuropathology in the spinal cord, cerebellum, and cerebral cortex. A candidate gene on the X chromosome, toll-like receptor 7, was then examined. Toll-like receptor 7 expression in cortical neurons was higher in mice with XY compared with mice with XX CNS, consistent with the known neurodegenerative role for toll-like receptor 7 in neurons. These results suggest that sex chromosome effects on neurodegeneration in the CNS run counter to effects on immune responses, and may bear relevance to the clinical enigma of greater MS susceptibility in women but faster disability progression in men. This is a demonstration of a direct effect of sex chromosome complement on neurodegeneration in a neurological disease.

  6. County and Parish Boundaries, The MGRC participates in the Boundary and Annexation Survey (BAS) on behalf of its local governments and in partnership with the GA, Published in 2000, 1:12000 (1in=1000ft) scale, Middle Georgia Regional Commission.

    Data.gov (United States)

    NSGIC Regional | GIS Inventory — County and Parish Boundaries dataset current as of 2000. The MGRC participates in the Boundary and Annexation Survey (BAS) on behalf of its local governments and in...

  7. Cities, Towns and Villages, The MGRC participates in the Boundary and Annexation Survey (BAS) on behalf of its local governments and in partnership with the GA Dept of Community Affairs., Published in 2000, 1:12000 (1in=1000ft) scale, Middle Georgia Regional Commission.

    Data.gov (United States)

    NSGIC Regional | GIS Inventory — Cities, Towns and Villages dataset current as of 2000. The MGRC participates in the Boundary and Annexation Survey (BAS) on behalf of its local governments and in...

  8. O "acontecimento" e o discurso literário do século XX

    Directory of Open Access Journals (Sweden)

    Francisco Elias Simão Merçon

    2009-12-01

    Full Text Available

    Central na obra de Claude Zilberberg, o conceito de “acontecimento” tem um papel inegável nos estudos semióticos, uma vez que anima as discussões sobre a possibilidade de investigação num universo de sentido ainda pouco explorado (o da afetividade, especialmente se o compararmos com os estudos da narratividade de herança proppiana. Um ponto importante que a investigação sobre o acontecimento traz para os estudos semióticos é a possibilidade de traduzir as operações discursivas de determinados textos, em termos de regimes discursivos do fato ou do acontecimento, a partir do reconhecimento de duas lógicas operantes distintas, respectivamente a implicativa e a concessiva. Este artigo faz parte de uma investigação maior que procura depreender e descrever as operações discursivas de algumas obras representativas do discurso literário do século XX, nas quais o “acontecimento” parece exercer um papel significativo. A título de ilustração das refl exões desenvolvidas no presente texto, serão abordadas obras de autores como Jean-Paul Sartre, Franz Kafka, Dino Buzzati e Samuel Beckett.

  9. Phase structure of XX0 spin chain and nonintersecting Brownian motion

    Science.gov (United States)

    Saeedian, M.; Zahabi, A.

    2018-01-01

    We study finite size and temperature XX0 Heisenberg spin chain in weak and strong coupling regimes. By using an elegant connection of the model to integrable combinatorics and probability, we explore and interpret a possible phase structure of the model in asymptotic limit: the limit of large inverse temperature and size. First, the partition function and free energy of the model are derived by using techniques and results from random matrix models and nonintersecting Brownian motion. We show that, in the asymptotic limit, partition function of the model, written in terms of matrix integral, is governed by the Tracy–Widom distribution. Second, the exact analytic results for the free energy, which is obtained by the asymptotic analysis of the Tracy–Widom distribution, indicate a completely new and sophisticated phase structure of the model. This phase structure consists of second- and third-order phase transitions. Finally, to shed light on our new results, we provide a possible new interpretation of the phase structure in terms of dynamical behaviour of magnons in the spin chain. We demonstrate distinct features of the phases with schematic spin configurations which have definite features in each region of the phase diagram.

  10. Los hogares latinoamericanos durante la segunda mitad del siglo XX: una perspectiva sociodemográfica

    Directory of Open Access Journals (Sweden)

    Brígida García

    2002-01-01

    Full Text Available El objetivo de este trabajo es analizar los cambios sociodemográficos más significativos ocurridos en los hogares latinoamericanos durante la segunda mitad del siglo xx. Para ello se tienen en cuenta dos aspectos fundamentales: la posible convergencia hacia las familias pequeñas y nucleares; y la naturaleza e incremento de los hogares con jefatura femenina. Se intenta no sólo sintetizar el conocimiento existente sobre dichos temas, sino también dar cuenta de las conexiones entre los cambios sociodemográficos de los hogares y la desigualdad social y de género persistente en América Latina. Algunas de las principales conclusiones son: a A pesar de la existencia de un claro proceso de nuclearización en los hogares latinoamericanos, la importancia de los arreglos familiares de tipo extendido continúa siendo distintiva del sistema familiar en la región, especialmente entre la población de escasos recursos; y b los hogares encabezados por mujeres muestran un claro incremento, y posiblemente éste se aprecie en diversos sectores de nuestras sociedades.

  11. hispanoamericana Poesía experimental (en la segunda mitad del siglo XX

    Directory of Open Access Journals (Sweden)

    Óscar Galindo V.

    2014-03-01

    Full Text Available El artículo propone una aproximación a la poesía neovanguardista hispanoamericana de raigambre experimental, durante la segunda mitad del siglo XX. Se advierte la dimensión continental de la emergencia de movimientos, agrupaciones, revistas y autores neovanguardistas a partir de fines de los años 50 y hasta los años 80 al menos. Lo anterior ha producido una nueva semioticidad que emparenta la escritura poética con las artes visuales, escénicas, musicales, audiovisuales y digitales, generando nuevos discursos y nuevos repertorios. Estos procesos suponen el reciclaje y resemantización de los de los ideales antiartísticos de tradición vanguardista y, particularmente, del proyecto arte-vida, revitalizando la relación entre arte y política, en consonancia con los debates públicos y las transformaciones en los sistemas de producción cultural. Se analizan como ejemplos de poesía experimental, visual y accional, a dos poetas chilenos: Cecilia Vicuña y Juan Luis Martínez.

  12. Las ikastolas en Navarra (siglo XX: búsqueda de un modelo de escuela propio

    Directory of Open Access Journals (Sweden)

    Irene LÓPEZ GOÑI

    2010-03-01

    Full Text Available RESUMEN: En este artículo se aborda la génesis de un fenómeno educativo singular promovido en el seno del pueblo vasco en la lucha por la recuperación de su lengua, el de las ikastolas durante el siglo XX. El límite geográfico es la comunidad de Navarra. Se analizan sus antecedentes antes de la Guerra Civil, el contexto en el que surgen en el período franquista y su proceso de institucionalización. Se ha trabajado con fuentes primarias fundamentalmente. ABSTRACT: In this article, we describe how an educational phenomenon as it is the «ikastola’s» movement in the Basque Country, starts growing in favour of recovering their language during the 20th century. The geographical limit we are going refer to in this article, is the autonomous Community of Navarre. And to analyse this situation we include the preceding details of the experience, before the Spanish Civil War, the context of the development of the experience during Franco’s regime, and the next process of institutionalisation of the ikastola’s experience. The author has worked principally whith primary sources.

  13. Tratamiento isotérmico de los aceros aleados al silicio Tipo SAE 92XX

    Directory of Open Access Journals (Sweden)

    Páez, J. L.

    1996-02-01

    Full Text Available SAE 9260 type steels have silicon and carbon contents similar to those of the ductile iron matrix, and present a bainitic transformation with the same characteristics as ADI (Austempered Ductile Iron. The hypothesis is that excellent mechanical properties can be obtained by means of austempering (in times so short as to be accessible from the industrial point of view, the same as in ADI and even better because it is a rolling material instead of a cast material. It will be compared with the mechanical properties obtained by quenching and tempering at different temperatures.

    La composición química de los aceros SAE 92XX es similar a la de la matriz metálica de una fundición esferoidal, por lo que se pensó en someter a un acero de ese tipo a tratamientos de austempering similares a los que se aplican para lograr una ADI (Austempered Ductile Iron, y verificar si se alcanzaban valores aceptables de plasticidad con elevados valores de resistencia a la tracción para el mismo acero, tal y como sucede con aquellas fundiciones, y comparar dichos resultados con los obtenidos en el mismo acero con tratamientos convencionales de temple y revenido. Se alcanzaron valores que demostraron que, por austempering, se logran excelentes valores de plasticidad, muy superiores a los alcanzados por temple y revenido para durezas del mismo orden.

  14. Clubes de fútbol y desarrollo urbano en el siglo XX de Buenos Aires

    Directory of Open Access Journals (Sweden)

    Mariano Gruschetsky

    2015-07-01

    Full Text Available Resumen El artículo muestra la estrecha relación que ha existido entre los clubes de fútbol, los poderes públicos y el desarrollo urbano de la ciudad de Buenos Aires durante el siglo XX. Se presentarán las principales ideas e hipótesis generadas por diversos trabajos de investigación desarrollados en los últimos cinco años, los cuales dan cuenta del rol central jugado por los clubes en la conformación y expansión de la ciudad, tanto en lo que respecta al plano territorial como en el que remite a la constitución de identidades. Abstract The article proposes to illuminate the close relationship that has existed between football clubs, public officials, and urban development in the city of Buenos Aires in the 20th century. It presents the principal ideas and hypotheses generated by various research projects conducted in the last five years. These investigations reveal the central role played by clubs in the shaping and expansion of the city in a territorial sense as well as in the construction of identities.

  15. The BVRI Light Curves And Period Analysis Of The Beta Lyrae System XX Leonis

    Science.gov (United States)

    Zasche, P.; Wolf, M.; Svoboda, P.

    2007-08-01

    The contact eclipsing binary system XX Leonis (P = 0.97 days, sp A8) has been analysed using the PHOEBE programme, based on the Wilson Devinney code. The BVRI light curves were obtained during spring 2006 using the 20-cm telescope and ST-7 CCD detector. The effective temperature of the primary component determined from the photometric analysis is T=(7889±61)K, the inclination of the orbit is i=(89.98±2.45)deg and the photometric mass ratio q=(0.41±0.01). Also the third body hypothesis was suggested, based on the period analysis using 57 minimum times and resulting the period of the third body p3= (52.96±0.01)yr, amplitude A=(0.057±0.029)d and eccentricity e=(0.79±0.08) which gives the minimum mass m3,min=(3.6±0.8)M_sun.

  16. CONFIGURACIONES DE SUJETO EN LA MODERNIDAD LATINOAMERICANA: EL CASO DE PERÚ A INICIOS DEL SIGLO XX

    Directory of Open Access Journals (Sweden)

    Kathya Araujo

    2010-04-01

    Full Text Available Este texto se aproxima al estudio del sujeto y de los lazos sociales en nuestra región a partir del análisis del caso del Perú en las primeras décadas del siglo XX. Lo hace tomando apoyo en la noción de configuraciones de sujeto como operador analítico y usando como corpus textos autobiográficos en cuanto se considera que ellos son una vía privilegiada para este tipo de estudios. El texto se inicia con una presentación de los fundamentos teóricos y metodológicos que lo sustentan y, posteriormente, discute tres rasgos sobresalientes de las configuraciones de sujeto encontradas para el caso peruano en el momento histórico estudiado y lo que ellos revelan sobre el lazo social.This paper approaches the study of the subject and the social bond in the case of Peru in the first three decades of the 20th century. It uses as analytical operator the notion of subject configurations and it is based upon the analysis of autobiographical texts. The text begins with the presentation of its theoretical and methodological foundations and then goes on to discuss three of the main features of the subject configurations founding of these texts, and their meaning for the understanding of the social bond.

  17. The Military Training of Students in Germany in the Early XX century

    Directory of Open Access Journals (Sweden)

    SergeiI. Belentsov

    2016-12-01

    Full Text Available The relevance of the research problem is the recognition of the military-patriotic education of the younger generation a priority for the public authorities in an uncertain international situation.The purpose of the article is a study of the German paramilitary youth associations and organizations of the early XX centuries, their role and place in the military-patriotic education of students. Leading approaches is a systematic, historical and cultural, allowed to identify the essential characteristics, laws and principles of military training school in Germany the period under review, its main types, justify the theoretical conclusion of the feasibility of this work. Military-patriotic education of schoolchildren were targeted, systematic, multi-faceted and well-coordinated work of the German government and associations in Germany. Two main types of military-patriotic education allocated. The first kind was realized in the youth organization «Young Germany» and was based on activities such as military exercises, physical exercises, excursions. The second is the youth organization «Union of German pathfinders», characterized by a peaceful rhetoric. The main task is the confrontation radical anti-government sentiments among students and was more calm, peaceful character. The article useful to teachers, organizers of educational work with young students to explore the historical experiences of involving students in a positive civic activities.

  18. XX/XY System of Sex Determination in the Geophilomorph Centipede Strigamia maritima.

    Directory of Open Access Journals (Sweden)

    Jack E Green

    Full Text Available We show that the geophilomorph centipede Strigamia maritima possesses an XX/XY system of sex chromosomes, with males being the heterogametic sex. This is, to our knowledge, the first report of sex chromosomes in any geophilomorph centipede. Using the recently assembled Strigamia genome sequence, we identified a set of scaffolds differentially represented in male and female DNA sequence. Using quantitative real-time PCR, we confirmed that three candidate X chromosome-derived scaffolds are present at approximately twice the copy number in females as in males. Furthermore, we confirmed that six candidate Y chromosome-derived scaffolds contain male-specific sequences. Finally, using this molecular information, we designed an X chromosome-specific DNA probe and performed fluorescent in situ hybridization against mitotic and meiotic chromosome spreads to identify the Strigamia XY sex-chromosome pair cytologically. We found that the X and Y chromosomes are recognizably different in size during the early pachytene stage of meiosis, and exhibit incomplete and delayed pairing.

  19. Estructuras agrarias comparadas: la Puna argentina y el sur boliviano a comienzos del siglo XX

    Directory of Open Access Journals (Sweden)

    Ana A. Teruel

    2005-01-01

    Full Text Available This article expects to be another contribution to the knowledge about the social-economic problems from the Argentine Puna, especifically to its agricultural structure, paying special attention to changes and permanences, concerning to property and land, key to economical and social power and fundamental axis of production relationship of this society. It focuses on the problematical fact of indian lands, making a comparison between the North of Argentina and the South of Bolivia, considering both political state systems about comunity lands and its effects in the agrarian structures in the begining of the XXth century.Este artículo tiene por propósito realizar un aporte más al conocimiento de la problemática socio-económica de la Puna argentina, específicamente a su estructura agraria, atendiendo los cambios y permanencias relativos a la propiedad y tenencia de la tierra, clave del poder económico y social y eje fundamental en las relaciones de producción de esta sociedad agraria. Se trata la cuestión en el marco de la problemática de las tierras indígenas, comparando la situación del Norte argentino con la del Sur boliviano, analizando las políticas de ambos Estados en torno a la tierra de las comunidades y sus efectos en las estructuras agrarias de comienzos del siglo XX.

  20. Wind Farms: Modeling and Control

    DEFF Research Database (Denmark)

    Soleimanzadeh, Maryam

    2012-01-01

    is minimized. The controller is practically feasible. Yet, the results on load reduction in this approach are not very significant. In the second strategy, the wind farm control problem has been divided into below rated and above rated wind speed conditions. In the above rated wind speed pitch angle and power....... Distributed controller design commences with formulating the problem, where a structured matrix approach has been put in to practice. Afterwards, an H2 control problem is implemented to obtain the controller dynamics for a wind farm such that the structural loads on wind turbines are minimized.......The primary purpose of this work is to develop control algorithms for wind farms to optimize the power production and augment the lifetime of wind turbines in wind farms. In this regard, a dynamical model for wind farms was required to be the basis of the controller design. In the first stage...