This profile has not been claimed by the company. See reviews below to learn more or submit your own review. Khan Academy has delivered free online educational resources since 2008, specializing in a ...
Only part of the resources that are extracted from the Earth are transformed into products; most end up as waste, says Buxing Han, a green chemist at the Institute of Chemistry, Chinese Academy of ...
SINCE the retirement of Prof. Ostwald from the directorship of the Institute of Physical Chemistry in Leipzig, his literary activity appears to have increased, although for many years his output has ...
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