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Protesta en Madrid contra el maltrato animal en las corridas de toros

Madrid, 1 abr (EFEverde).- (Imagen: Martín Carrasco) Una treintena de activistas antitaurinos se han manifestado hoy frente a la madrileña plaza de toros de Las Ventas para ponerse "en la piel del toro" con una performance en la que una joven semidesnuda, con banderillas clavadas en la espalda y ensangrentada, simbolizaba el sufrimiento del animal.¿Quieres acceder a todos nuestros vídeos y novedades sobre medio ambiente, videojuegos, tecnologia y ocio digital? Multimedia de Futuro de la Agencia EFE ventas@efe.es +34 913467100

http://www.efeverde.com

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Al descubierto la peculiar estructura de un agujero negro situado de canto

http://www.efeverde.com/contenidos/noticias/un-agujero-negro-y-su-estrella-de-canto

Madrid, 1 mar (EFEfuturo/EFEverde).- Los sistemas binarios conformados por un agujero negro y una estrella pueden situarse de canto, en concreto con una inclinación de al menos 75 grados, según un estudio de la revista Science, que ahonda en "la misteriosa" estructura del último de los 18 agujeros de masa estelar hallados en la Vía Láctea.

Noticias e información de ecología multisoporte en EFEverde (http://www.efeverde.com) la plataforma global de periodismo ambiental de la Agencia EFE

¿Quieres acceder a todos nuestros vídeos y novedades sobre medio ambiente, videojuegos, tecnologia y ocio digital? Multimedia de Futuro de la Agencia EFE ventas@efe.es +34 913467100

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Información ambiental en portugues (Brasil) http://www.efeverde.com.br

Información ambiental en Galego

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EFEciencia: http://twitter.com/efeciencia
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Enlace para la descarga de la aplicación ambiental de EFEverde para iPad desde itunes
http://itunes.apple.com/es/app/id504282784?mt=8

Otras aplicaciones (apps) ambientales de EFEverde que se pueden descargar:
Enlace para la descargad de la app para iPhone
http://itunes.apple.com/es/app/efeverde/id481979366?mt=8

Enlace para la descarga de aplicación de EFEverde desde Android Market (free):
https://market.android.com/details?id=com.tantacom.apps.phone.efeverde

Tb:
http://paper.li/EFEciencia/1335946961
http://paper.li/EFE_tec/1335945879

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ONU El planeta pierde doce millones de hectáreas de tierras productivas al año

El secretario ejecutivo de la Convención de Lucha contra la Desertificación de la ONU (UNCCD), Luc Gnacadja, durante una entrevista con EFEverde en la que ha señalado que la acción del hombre torna en desiertos doce millones de hectáreas de tierras productivas al año desde principios de 1980, lo que supone que desde ese fecha el planeta pierde anualmente un 1% de sus campos fértiles.

http://www.efeverde.com/contenidos/noticias/el-planeta-pierde-doce-millones-de-hectareas-de-tierras-productivas-al-ano

Noticias e información de ecología multisoporte en EFEverde (http://www.efeverde.com) la plataforma global de periodismo ambiental de la Agencia EFE

¿Quieres acceder a todos nuestros vídeos y novedades sobre medio ambiente, videojuegos, tecnologia y ocio digital? Multimedia de Futuro de la Agencia EFE ventas@efe.es +34 913467100

Información ambiental en Español http://www.efeverde.com

Información ambiental en portugues (Brasil) http://www.efeverde.com.br

Información ambiental en Galego

http://twitter.com/efeverde
EFEciencia: http://twitter.com/efeciencia
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Enlace para la descarga de la aplicación ambiental de EFEverde para iPad desde itunes
http://itunes.apple.com/es/app/id504282784?mt=8

Otras aplicaciones (apps) ambientales de EFEverde que se pueden descargar:
Enlace para la descargad de la app para iPhone
http://itunes.apple.com/es/app/efeverde/id481979366?mt=8

Enlace para la descarga de aplicación de EFEverde desde Android Market (free):
https://market.android.com/details?id=com.tantacom.apps.phone.efeverde

Tb:
http://paper.li/EFEciencia/1335946961
http://paper.li/EFE_tec/1335945879

http://www.efeverde.es
http://www.efeverde.org

EFEverde en Pinterest http://pinterest.com/efeverde/

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El hallazgo de un nuevo crustáceo en Galicia remarca la necesidad de proteger fondo marino.

Madrid, 1 mar (EFEverde).- El descubrimiento a 1.400 metros de profundidad de una nueva especie de cangrejo de color anaranjado y hasta 7 centímetros de longitud en aguas de Galicia pone de manifiesto la importancia del estudio de los ecosistemas marinos y el uso sostenible que se puede sacar de ellos. Proyecto Life+ Lifeinfonatur. http://www.efeverde.com/contenidos/noticias/el-descubrimiento-de-una-nueva-especie-de-cangrejo-remarca-la-necesidad-de-proteger-el-fondo-marino

Noticias e información de ecología multisoporte en EFEverde (http://www.efeverde.com) la plataforma global de periodismo ambiental de la Agencia EFE

¿Quieres acceder a todos nuestros vídeos y novedades sobre medio ambiente, videojuegos, tecnologia y ocio digital? Multimedia de Futuro de la Agencia EFE ventas@efe.es +34 913467100

Información ambiental en Español http://www.efeverde.com

Información ambiental en portugues (Brasil) http://www.efeverde.com.br

Información ambiental en Galego

http://twitter.com/efeverde
EFEciencia: http://twitter.com/efeciencia
EFEtec: http://twitter.com/efe_tec

Enlace para la descarga de la aplicación ambiental de EFEverde para iPad desde itunes
http://itunes.apple.com/es/app/id504282784?mt=8

Otras aplicaciones (apps) ambientales de EFEverde que se pueden descargar:
Enlace para la descargad de la app para iPhone
http://itunes.apple.com/es/app/efeverde/id481979366?mt=8

Enlace para la descarga de aplicación de EFEverde desde Android Market (free):
https://market.android.com/details?id=com.tantacom.apps.phone.efeverde

Tb:
http://paper.li/EFEciencia/1335946961
http://paper.li/EFE_tec/1335945879

http://www.efeverde.es
http://www.efeverde.org

EFEverde en Pinterest http://pinterest.com/efeverde/

Ver video "El hallazgo de un nuevo crustáceo en Galicia remarca la necesidad de proteger fondo marino."

El avíon solar aterriza en Barajas 17 horas después de despegar de Rabat

EFEverde.- El avión "Solar Impulse" ha aterrizado en el aeropuerto de Barajas a las 1:19 horas de hoy, diecisiete horas y dos minutos después de despegar de Rabat en su viaje de regreso a Suiza "sin usar una gota de combustible" y movido exclusivamente por energía solar. La información de los app de EFEverde y la redacción de Futuro de Agencia EFE
Noticias e iniformación ambiental multisoporte en EFEverde (http://www.efeverde.com) la plataforma global de periodismo ambiental de la Agencia EFE

¿Quieres acceder a todos nuestros vídeos y novedades sobre medio ambiente, videojuegos, tecnologia y ocio digital? Multimedia de Futuro de la Agencia EFE ventas@efe.es +34 913467100

Información ambiental en Español http://www.efeverde.com

Información ambiental en protugues (Brasisl) http://www.efeverde.com.br

Información ambiental en Galego

http://twitter.com/efeverde
EFEciencia: http://twitter.com/efeciencia
EFEtec: http://twitter.com/efe_tec

Enlace para la descarga de la aplicación ambiental de EFEverde para iPad desde itunes
http://itunes.apple.com/es/app/id504282784?mt=8

Otras aplicaciones (apps) ambientales de EFEverde que se pueden descargar:
Enlace para la descargad de la app para iPhone
http://itunes.apple.com/es/app/efeverde/id481979366?mt=8

Enlace para la descarga de aplicación de EFEverede desde Android Market (free):
https://market.android.com/details?id=com.tantacom.apps.phone.efeverde

Tb:
http://paper.li/EFEciencia/1335946961
http://paper.li/EFE_tec/1335945879

http://www.efeverde.es
http://www.efeverde.org

EFEverde en Pinterest http://pinterest.com/efeverde/

Vídeos ambientales de EFEverde http://www.youtube.com/efeverdevideos

CDO

e-Comunicados en EFEverde

Curso de Periodismo Ambiental

RSC en EFEverde

La Blogosfera de EFEverde

CDO (Creadores de Opinión... ambiental)

http://pinterest.com/efeverde/

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Characteristic of FZ1800R16KF4 IGBT - Power Electronic Modules for AC/DC Motor Control

Visit USComponent.com for more details!

FZ1800R16KF4 is an 1800Amps/1600Volts single switch IGBT (Insulated Gate Bipolar Transistor) silicon module with IGBT2. It is a triple common emitter common gate transistor. Its height, weight & depth are 38mm, 190mm & 140mm respectively and net weight is 5 lb 1 oz. This module's maximum operating temperature is 125 C and minimum operating temperature is -40 C. It can be mounted either in SMD or SMT style. FZ1800R16KF4 is manufactured by Infineon Technologies, Germany. Infineon was formerly known as Eupec and it is a famous company in the world of semiconductors and system solutions.

FZ1800R16KF4 is an excellent choice for your industry applications. It works great in AC/DC motor control & drives, Commercial, Agriculture and Construction Vehicles (CAV), wind energy systems, railway tractions. Its construction is robust and the module is highly reliable. It is recognized by UL too.

FZ1800R16KF4 has some unique features which have made it a perfect module for high speed switching applications. It features high power density for compact inverter designs. Standardized housing is another benefit of it. These features are very useful in challenging applications. Today we will discuss about the effectiveness of FZ1800R16KF4 in train tractions.

Railway traction is among the most demanding applications for power electronic modules. Climatic influences like moisture, dust and wide temperature range are challenging, so are the mechanical aspects. Power electronic suffers from the vibrations inside the trains in addition to the electric and thermal load. The mission profile of trams and subway trains consist of a high number of acceleration and deceleration cycles, repeated day by day. This mode of operation leads to extreme demands regarding power- and thermal-cycling capability. Traction system for trains employ an induction motor as the main driving motor and a VVVF inverter as a control unit, and they have improved remarkably as AC equipment especially because the main circuit semiconductor elements have rapidly improved.

There is hardly any other application that puts such high demands on the components as train traction. High quality, reliability and lifetime are the most important product features in this market segment. IGBT modules in voltage classes 3.3kV, 4.5kV and 6.5kV with enhanced mechanical and thermal features are installed in trains all over the world to allow reliable, safe and cost-efficient operation.

To suit the special needs of this application, Infineon provides FZ1800R16KF4, especially dedicated to traction and similar applications. The high-speed switching characteristic of this IGBT module lessens electromagnetic noise which is generated by the primary motor and enhances the efficiency of energy conversion. It has advantages like ongoing development for higher voltage and current ratings and these benefits make it really useful in railway traction applications. You can find it in metro drive systems, in, innovative high speed trains and in auxiliary inverters.


You can buy FZ1800R16KF4 from Young & New Century LLC, Houston, TX. We have been selling IGBT power transistor modules from different manufacturers since 2001. We sell new & original parts only and our inventory is managed with highest care. Our website USComponent is very organized and you can send your request for quote (RFQ) via this site.

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DC Motor Control, AC Motor Control, Electronic Modules, AC/DC motor control, Characteristic of IGBT, Power Electronic Modules, Buy FZ1800R16KF4

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Chinese Stealth Fighter J-31 歼-31 鹘鹰 Air Show,(2014

The Shenyang J-31,(or "FC-31 fifth Generation Multi-Purpose Medium Fighter")[6] also known as the "Gyrfalcon" (鹘鹰), or "Falcon Hawk" by some military enthusiasts,[7][8] is a twin-engine, mid-size fifth-generation jet fighter currently under development by Shenyang Aircraft Corporation. The fighter has also been referred to as the "F-60" or "J-21 Snowy Owl" (雪鸮) in some media report

Development

A photo of a model labeled F-60 was posted on the Internet in September 2011.[10] In June 2012, photos and camera video clips started to emerge on internet about a heavily overwrapped possible F-60 prototype being road-transferred on a highway, earning the nickname "the zongzi plane" (粽子机) among Chinese netizens, though some suspect it of merely being a L-15 trainer aircraft.[11] Pictures of a possibly fully assembled aircraft parking on an airfield emerged on September 15–16, 2012. The F-60 is reported to be the export version, where the J-31 would be the domestic Chinese version of the same fighter Chinese aviation expert Xu Yongling has called the J-31 an export-oriented low-end latest generation warplane.

Flight testing

The prototype conducted a high-speed taxiing test and briefly became airborne. On 31 October 2012, prototype No. 31001 conducted the model's maiden flight., It was accompanied by two J-11 fighters in a ten-minute test flight with its landing gear lowered.

With the maiden test flight of the prototype No.31001 on October 31, 2012, China became the second nation after the 1991 Advanced Tactical Fighter fly off, to have two stealth fighter designs in field-testing at the same time,The aircraft has continued a limited test program, with footage emerging of further flights which took place in February 2013.

Public unveiling

A 1/4 scale model of the J-31 was shown at the China International Aviation & Aerospace Exhibition 2012, hinting at a desire to offer the aircraft for export, as an alternative for those countries that cannot purchase the F-35.

The J-31 airframe was publicly unveiled on November 12, 2014 at Zhuhai Airshow.[22][23] In TV broadcast of the unveiling, AVIC chairman Lin Zuoming claimed that funding for the aircraft came entirely from the company, with no input from military

As typical in flight displays of fighter jets, afterburners were engaged throughout the maneuvers. Nevertheless, Western media claimed it to be evidence of aerodynamic inefficiencies, concluding that the aircraft "bleeds a lot of energy and the pilot had a hard time keeping the nose up." Flights were done when the jet was "clean," so results would be worse when fitted with a combat loadout. However, a large-scale model of the FC-31 on display did show some detail changes of configuration compared to the flying prototype.

At the 2015 Dubai Airshow, AVIC released more details regarding the aircraft's capabilities. The company revealed it is still looking for a partner in the aircraft project, and is actively marketing the aircraft to People's Liberation Army Air Force. AVIC's plan is to have a production model first flight by 2019.

Future[edit]
Due to mixed reports from China, it is unknown as to whether the J-31 will be inducted as a naval fighter, or only intended for foreign customers. In one interview with China's state media, the J-31's chief designer Sun Cong expressed his hope that the aircraft would follow his J-15 onto China's aircraft carriers.However, officials from AVIC only said that the aircraft was intended for export as a competitor to the F-35

Pakistan is reportedly interest in acquiring 30 to 40 of these aircraft. While the J-31 has been touted as a rival to the American F-35 in the export market, it remains to be seen how successful this will be. With the exception of Pakistan, China does not share the same kind of strategic relationships that the U.S. does—countries that are both willing and can afford to purchase the aircraft

New scaled models displayed at the Zhuhai Airshow revealed several planned differences from the 31001 flying prototype. The differences include a stealthier cockpit, a next-generation helmet mounted sight, holographic cockpit displays, EOTS, aerodynamic revisions and more powerful engines.

Design

J-31 in-flight

J-31 incorporates certain stealth characters such as forward swept intake ramps with diverterless supersonic inlet (DSI) bumps and a two-piece canopy.

Airframe

The J-31 is smaller than the Chengdu J-20. The use of twin-wheel nose landing gear led to speculations that the J-31 may intended to be a carrier based fighter.[39][40][41] Bill Sweetman has cited several improvements to the F-35C design files the Chinese may have acquired in the J-31.[42] Like the F-35, the J-31 has two internal weapons bays that can each carry two medium range missiles, along with two heavy hardpoints and one light hardpoint on each wi

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