silicium dans la Terre et dans l'Univers
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silicium dans la Terre et dans l'Univers

silicium dans la Terre et dans l'Univers


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About the Book

Ce livre analyse les caractéristiques du silicium (Si) dans la Terre ainsi que ses effets bénéfiques et néfastes sur les organismes vivants. Le silicium est un métalloïde chimique très répandu dans l'univers. Sur la Terre, il prend la forme de sable et de minéraux tels que le quartz, l'améthyste, l'émeraude et d'autres. Le silicium a des structures similaires à celles du carbone et fait partie du squelette de certains organismes. On a émis l'hypothèse que certains silicates ont participé à la genèse des premières cellules, et plusieurs preuves suggèrent que le Si est important pour la croissance normale et la fonction biologique dans une variété de plantes, d'animaux et de microbes. Le mode de vie sur Terre est basé sur le carbone, l'eau et une biologie basée sur la photosynthèse des plantes. Les connaissances sur la vie sur Terre sont régies par des lois physiques et chimiques; cependant, dans d'autres environnements froids, il peut y avoir un autre type de vie basé sur d'autres lois biochimiques. Dans ce livre, nous présentonsa) le silicium sur la Terre, b) la chimie du silicium, c) l'effet du silicium dans les organismes vivants tels que les diatomées, les plantes et même les humains, d) les similitudes et les différences entre Si et C, e) la possibilité ou non que le Si puisse prendre part à d'autres formes de vie.


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Product Details
  • ISBN-13: 9786206964810
  • Publisher: KS Omniscriptum Publishing
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 218 gr
  • ISBN-10: 6206964817
  • Publisher Date: 20 Dec 2023
  • Height: 229 mm
  • No of Pages: 108
  • Spine Width: 7 mm
  • Width: 152 mm


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