thiocarbonyl group; energetics and thiocarbonyl compound structure; photoelectron spectroscopy (PES); addition reactions to alkynes and alkenes; cycloreversion reactions; reductive C,S cleavage; desulfurization reactions; coordination chemistry
From Aconcagua in South America to Mount Everest in Asia, from Kilimanjaro in Africa to Vinson Massif in Antarctica, from Mount McKinley in North America to Elbrus in Europe and Mount Kosciusko in Australia: no one had ever scaled all seven summits -- it would be a first, a feat that had eluded the world's best mountaineers.
Apa Sherpa on the summit of Mt. Everest. Apa Sherpa holds the record of most summits of the world's highest mountain with 21 successful summits. (Photo) Mingma Sherpa. On May 11, 2011, Apa Sherpa summited Everest for the 21st time, breaking his own record of 20 summits.