silicone chemicals have a unique structure:(1) Sufficient methyl groups on the Si atom shield the high-energy polysiloxane backbone;(2) C-H has no polarity, which makes the interaction between molecules very weak;(3) The length of the Si-O bond is long, …
by Alexei KAZDYM, Cand. Sc. (Geol. & Mineral), Senior Research Associate, Institute of Geoecology, Russian Academy of Sciences
Today most different scientists-geologists and ecologists, earth and soil scientists, geochemists and microbiologists - are c …
by Academician Viktor KHAIN, Institute of the Lithosphere of Fringing and Inland Seas, Russian Academy of Sciences
REVOLUTION IN GEOLOGY: PLATE TECTONICS
Late in the 1960s and early 1970s the solid earth sciences ceased to be descriptive and got down to ex …
Thinking about the future, many of us cannot escape the nagging question of what will happen on this I planet when it runs out of its resources of oil and gas. The obvious solution is to look for the sources of new types of fuel. The popular science magazi …
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