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Study Of The Monthly Extraction Record And Curve Of A Modern Mexican Cyanide Plant, George William Harris
Study Of The Monthly Extraction Record And Curve Of A Modern Mexican Cyanide Plant, George William Harris
Professional Degree Theses
"This data is taken from the records of the mill and cyanide plant belonging to Compania de Minas La Blanca y Anexas, S.A., Pachuca, Hidalgo, Mexico; of which the writer has been in charge during the four years it has been in operation. The plant may be termed a "silver plant" as the silver values predominate, the ratio being about 200 grams of silver to 1 gram of gold"--Introduction, page 1.
The Thermal Conductivity Of Refractories, Boyd Dudley Jr.
The Thermal Conductivity Of Refractories, Boyd Dudley Jr.
Professional Degree Theses
"The usefulness of correct data in regard to the thermal conductivity of refractories and other materials used in the construction of metallurgical and industrial furnaces is quite generally recognized. Numerous investigations of this property of refractories have been conducted, and in many cases the published data of different investigators are somewhat conflicting. This is particularly true of figures pertaining to materials intended for use at high temperatures, and it is with such materials that the metallurgist is mot interested. The difficulties in the way of precise determinations of thermal conductivities at elevated temperatures are numerous, and it is not particularly …