Mensajes recientes

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1
Química física / Re:Calor molar del Hidróxido de sodio
« Último mensaje por javiucm en Hoy a las 19:22:30 »
yo creo que 8 años después o encontraría la información o dejó de interesarle ....
2
Medicina / Re:¿Cómo saber si me han salido o no las muelas del juicio?
« Último mensaje por LauraSmith en Mayo 25, 2017, 19:26:15 »
Hola Ljos!

Como dicen los compañerxs la mejor forma de saberlo es yendo al dentista y pidiendo que te hagan una radiografía, así podrán ver el estado en el que se encuentran las mueles y si te van o no a salir. ¡Espero que al final hayas resuelto tus dudas!

Un saludo,
Laura (trabajo en www.policlinicadentalidiaquez.com
)
3
General / Wärtsilä offers multiple Renewables, Storage and Energy Solutions jobs
« Último mensaje por lolovka en Mayo 25, 2017, 13:38:28 »
We are now hiring more energy excited people to our growing Renewables and Storage business line in Energy Solutions. And we invite you to join us to make the future even brighter.

The Renewables and Storage business line is quite young, and as the demand for renewable energy sources is growing, the business line is also developing. Our newly released hybrid and energy storage solutions and acquiring of Greensmith Energy Management Systems Inc. are just few examples among many of the growth of Energy Solution’s business.

We are also accelerating our phase in the solar business: Wärtsilä recently signed an agreement with Essakane Solar SAS to supply a solar photovoltaic (PV) plant to an existing customer in Burkina Faso, similarly creating Africa’s largest engine-solar PV hybrid power plant.

Interested? If you wish to contribute to a greener world and to developing energy solutions of the future already today, you might be the person we are looking for. We just opened vacancies in the fields of Engineering, Sales and Marketing as well as Project Management.

Apply here: https://express.candarine.com/campaign/url/forward/4c4d222310ba
4
Ingeniería / Wärtsilä is recruiting a Chief Project Engineer, Civil
« Último mensaje por lolovka en Mayo 25, 2017, 08:06:00 »
Wärtsilä Energy Solutions is a leading global supplier of ultra-flexible power plants of up to 600 MW operating on various gaseous and liquid fuels. Our portfolio includes unique solutions for baseload, peaking, reserve and load-following power generation, as well as for balancing intermittent renewable energy. Wärtsilä Energy Solutions also provides utility-scale solar PV power plants, as well as LNG terminals and distribution systems. As of 2016, Wärtsilä has 60 GW of installed power plant capacity in 176 countries around the world.

Position description   

We are now looking for a Chief Project Engineer, Civil to support the Engineering team in the growing Renewables & Storage business line. In this position you will be accountable for the development of cost competitive civil work design (focusing in reliability and cost) and solutions for solar and hybrids power plants.

Possible locations for this position are Madrid, Spain or Helsinki, Finland.

Responsibilities   

- Develop design specifications and functional requirements for solar energy systems or components. Determine design criteria or specifications
- Realize the engineering studies and specifications of the solar field and component input for proposals
- Establish new ways of improving our civil engineering equipment and works cost in the cost roadmap of the entire power plant
- Own the prepared technical documentation for detailed project report and support peer review before submission
- Assist in ensuring that design of the basic engineering package follows rules and regulations
- Work across divisional borders with colleagues within the business line and the area ensuring having the optimal solution for the project
- Lead civil engineering discussion and negotiation with customer and technical advisors ensuring we have an optimal engineering solution
- Create checklists for review or inspection of completed solar installation projects
- Establish and update technical specifications d
- Manage the relationship with external suppliers and participate as key leader in the electrical package definition
- Assist in providing the technical inputs during the power plant offering process
- Participate in the creation of the engineering dossier, including that the basic engineering package adhere to respective rules and regulations

Requirements

- BSc degree in Civil engineering
- Understanding of engineering studies and specifications of the solar field and component input for proposals
- Experience in construction/design of solar photovoltaic power plants is a must
- Fluent in English, both oral and written
- French and/or Spanish is seen as a great advantage
- After an initial induction in Finland, you will have to be able to relocate to Madrid, Spain or Helsinki, Finland
- Ability to travel

Contact person to give further information: For further enquiries please contact careers@wartsila.com

Country: Finland or Spain

Application deadline: 2017-06-08

Mexico applicants apply here: https://express.candarine.com/campaign/url/forward/407fcfebe84e

Spain applicants apply here: https://express.candarine.com/campaign/url/forward/ab8b788f7dbe

Chile applicants apply here: https://express.candarine.com/campaign/url/forward/23303f7a2d11
5
Astronomía y Astrofísica / Re:Qué es el tiempo??
« Último mensaje por Kent Guzmán en Mayo 25, 2017, 03:51:50 »
Si El Espacio Depfine El tiempo , que es un concepto humano referente a la necesidad de calcular .el  periodo de la materia.siel espacio define el tiempo como se nota el paso del tiempo sin ver el espacio

6
Ingeniería / Wärtsilä is looking for a Chief Project Engineer, Electrical
« Último mensaje por lolovka en Mayo 24, 2017, 12:23:00 »
Wärtsilä Energy Solutions is a leading global supplier of ultra-flexible power plants of up to 600 MW operating on various gaseous and liquid fuels. Our portfolio includes unique solutions for baseload, peaking, reserve and load-following power generation, as well as for balancing intermittent renewable energy. Wärtsilä Energy Solutions also provides utility-scale solar PV power plants, as well as LNG terminals and distribution systems. As of 2016, Wärtsilä has 60 GW of installed power plant capacity in 176 countries around the world.

Position description

We are now looking for a Chief Project Engineer, Electrical to support the Engineering team in the growing Renewables & Storage business line. In this position you will be accountable for the development of cost competitive electrical design (focusing in reliability and cost) and solutions for solar and hybrids power plants.

Preferred location for this position is Madrid, Spain or Helsinki, Finland.

Responsibilities   

- Develop design specifications and functional requirements for solar energy systems or components. Determine design criteria or specifications
- Realize the engineering studies and specifications of the solar field and component input for proposals
- Establish new ways of improving our electrical equipment and works cost in the cost roadmap of the entire power plant
- Own the prepared technical documentation for detailed project report and support peer review before submission
- Assist in ensuring that design the basic engineering package adhere to respective rules and regulations
- Work across divisional borders with colleagues within the business line and the area ensuring having the optimal solution for the project
- Lead electrical engineering discussion and negotiation with customer and technical advisors ensuring we have an optimal engineering solution
- Create checklists for review or inspection of completed solar installation projects
- Establish and update technical specifications
- Manage the relationship with external suppliers and participate as key leader in the electrical package definition
- Assist in providing the technical inputs during the power plant offering process
- Participate in the creation of the engineering dossier, including that the basic engineering package follow rules and regulations

Requirements   

- BSc degree in Electrical engineering
- Experience in construction/design of solar photovoltaic power plants is an asset
- Fluent in English, both oral and written
- French and/or Spanish is seen as a great advantage
- After an initial induction in Finland, you will have to be able to relocate to Madrid, Spain or Helsinki, Finland
- Ability to travel

Contact person to give further information: For further enquiries please contact careers@wartsila.com

Country: Finland or Spain   

Application deadline: 2017-06-08

Chile applicants apply here: https://express.candarine.com/campaign/url/forward/7333debfc63d

Mexico applicants apply here: https://express.candarine.com/campaign/url/forward/07d4f981a7cd
7
Química física / Re:Calor molar del Hidróxido de sodio
« Último mensaje por begonas en Mayo 23, 2017, 15:30:11 »
Tal vez aquí encuentres la información sobre la sosa cáustica

http://sosacaustica.net/

 :holadios:
8
Química orgánica e inorgánica / Reacciones Química - Niños
« Último mensaje por begonas en Mayo 23, 2017, 15:24:04 »
Hola!
Estoy buscando reacciones químicas que no sean demasiado peligrosas para poder hacer con niños.
Me podéis ayudar?

Por ahora tengo las reacciones de ácido cítrico con bicarbonato de sodio, pero me gustaría seguir con otro tipo de reacciones también así de interesantes:

http://www.experimentoscientificos.es/

Gracias por adelantado  :holadios:  :aplauso:
9
Astronomía y Astrofísica / Re:como se usa en el espacio la energia nuclear ?
« Último mensaje por darthyoda en Mayo 16, 2017, 13:44:30 »
Para que haya propulsión, tienes que emitir o expulsar algo. La energía nuclear en este caso sirve meramente como fuente energética, nada más.
10
Astronomía y Astrofísica / Re:Qué es el tiempo??
« Último mensaje por darthyoda en Mayo 16, 2017, 13:43:14 »
Desde hace más de un siglo sabemos que, aunque son distintos, tiempo y espacio son mucho más parecidos de lo que parece.

De hecho, lo que para un observador es el tiempo, para otro sistema de referencia puede ser parte tiempo y parte espacio. Igual que si tienes una cruz, con un brazo horizontal y otro vertical, y la giras un poco. El brazo que antes era vertical pasa a tener componente horizonal, y el que era horizontal también pasa a tener componente vertical. Pues con el tiempo y espacio ocurre parecido.
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