Joseph Skulan

4 Questions 10 Answers 0 Followers

Questions related from Joseph Skulan

Can a thick layer of osmium metal be formed through the thermal decomposition of an organic osmium complex?

Thin films of Os metal can be prepared by thermal decomposition of an Os tetroxideolefin compound (see US Patent 3573970 A). Is there any reason that thick "films," say 1 mm+, could not be...

09 March 2016 9,560 1 View

How is mineral supersaturation in urine defined?

Is supersaturation relative to Ca oxalate, for example, defined relative to the saturation value in pure water at a given T and pH, or relative to empirically measured or calculated saturations in...

17 November 2015 7,112 2 View

When does an ossified otic capsule first appear in vertebrate evolution?

I am looking for information and references on the early evolution of a bony otic capsule, broadly defined as any ossification surrounding or associated with the vestibule and/or other inner ear...

01 January 1970 6,563 8 View

Are all conditional syllogisms tautologies?

Is it ever possible to deduce the attributes of a thing by virtue of it being a member of a group, when those attributes are not actually part of the definition of the group? Consider this...

01 January 1970 4,887 4 View