Sellami Mohamed Hassen

9 Questions 34 Answers 0 Followers

Questions related from Sellami Mohamed Hassen

The technique of dating by carbon 14 has long been known, but it appears that it does not give very precise results; Are there any other techniques ?

The technique of dating by radioactivity (carbon 14) has long been known, but it seems that it does not give very precise results; so, are there any other techniques that are more accurates and...

04 April 2017 3,211 2 View

Are clay tablewares unsuitable for health?

Some clay tablewares are coated with varnish which contains some heavy metals.... so, is clay tableware unsuitable for health?

04 April 2017 8,143 6 View

Production of biofuel by fermentation of date waste?

The date waste is used to produce ethanol (bio-fuel) by fermentation of date waste and the rest of the date (core) to prepare activated carbon ?

04 April 2017 6,192 5 View

Can someone tell me what are the types of gas released by domestic gray wastewater

Sometimes one smells from domestic siphons and we do not know what kind of gas ??

03 March 2017 5,934 7 View

Can the water will be decomposed into oxygen and hydrogen without electrical intervention? For example under the action of a catalyst only ?

Generally the water has been decomposed into oxygen and hydrogen in the presence of electrical power. Can this action occures without electrical power ? for example under the action of a catalyst...

01 January 1970 10,051 9 View

What inhibitors should be added to avoid parasitic reactions during water electrolysis?

During water electrolysis many other reactions take part; those reactions decrease the efficiency and then decrease the amount of hydrogen produced . So, is there any inhibitors to add before any...

01 January 1970 5,558 4 View

Vertical (cylindrical) solar still is recently used as a new type of solar distiller ... How is its design? How much it produces per day?

How much such distiller produces per day of distillate ?

01 January 1970 6,906 5 View

If we integrate the geothermal water with the solar chimney (in sunny conditions), can we have an air temperature exceeding 100 ° inside the chimney?

To have a high air speed into the chimney we must have to increase the gap between the temperature of the air in and out the device... So, adding geothermel energy (60°C) can with solar irradiance...

01 January 1970 7,771 3 View

What kind of material could be used for strored water analysis?

Generally the fresh water in our region is stored in tanks because of its shortage, but after some time we observe algae formation and a variation in the taste and / or odor of the...

01 January 1970 946 8 View