I do not really believe in EDF's desire to develop large-scale renewable energy storage: a fairly varied network of renewable energy sources (geographically and in terms of primary energy type: solar / wind in most cases) would be enough to compensate production variations !! Large-scale storage ...

For the storage of renewable energies, there is a simple and relatively inexpensive solution: the offshore WWTP with a lower ecological impact than a WWTP on land. http://ecologie.blog.lemonde.fr/2013/01/24/la-belgique-veut-creer-une-ile-pour-stocker-lenergie-eolienne/ The concept is also the subject of r ...

On some pressure switches the small spring is used to adjust the difference between high and low pressure if that helps ...

But as long as we have not completely solved the problem of the "load factor", nuclear power will remain essential, whether we like it or not, and for a long time yet ... Unless there is political will to exit this sector by France: but I don't believe it at the moment. Hopefully ...

Ram and resonance phenomenon caused either by a deflated or defective buffer tank or too long pipe length between the pump and the tank.

Same for me.

We are lucky: we are not in February!

But not at all in February the repeal of the labor law would have been quicker.

To insulate a vault is not very simple (thermal bridge), redoing from above with good insulation seems more simple and effective to me, an insulated and oiled parquet floor is durable if it is of good quality and above all feels warm, an insulated screed and tiling would do the trick but probably ...

I had forgotten the futura link:
http://www.futura-sciences.com/magazine ... sme-11837/

Prolegomena: plural masculine noun; from the Greek pro, before, before and from legein, to say.

It is a long introduction placed at the head of a work or else all the concepts preliminary to a science. It is always used in the plural.

A proof that low doses "suck" is futura science which says it: Radon: If 76% of French people are exposed to radiation of less than 100 becquerels per cubic meter (one becquerel represents one disintegration per second), 15 % suffer from 100 to 199 Bq and 9% more than 200 Bq. ...