An investigation of the fishes of the Willamette River and three of its larger tributaries was made during July, August, September, and November of 1951, to ascertain the possibility of using them as bio-indices of pollution. Thirteen stations were established on the Willamette River and tributaries. These stations were selected...
The Kroll Process for the production of zirconium utilizes
the reduction of zirconium tetrachloride with metallic magnesium.
Control of the magnesium content of the final zirconium metal is
essential, as residual magnesium adversely influences the properties
of zirconium.
In this thesis a volumetric method has been presented for the
determination...
The boreal forest of North America is especially liable to destruction by fires. It is a region in which forest fires have been extremely common and wide spreading. Lightning is certainly one of the causes of fires but man, both aboriginal and white, has been an even more prolific source....