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COUNCIL OF SECTION DELEGATES A J Duff G H Ruggles E D Gardner E H Torgersen F W Strandberg, Chairman W I Garms H C Weed R D Chapman, Vice-Chairman H M Lavender J A Wilcox F T Moyer. Secretary W C Lawson C F Willis EXECUTIVE COMMITTEE J E Kastrop L Thiessen Past Chairmen R H Smith E H Wisser P D I Honeyman R W Hughes C H Kuzell

Jan 1, 1951

Jan 1, 1965

By Reynold Q. Shotts

Nitric acid oxidation rate analyses of three coals, previously studied microscopically by the Bureau of Mines, revealed three components. Relative quantities agree with those found for the four components given by the Bureau and results are consistent with current ideas of coal constitution. Possible multi-component composition for bright coal and a reactivity-rank relation are suggested.

Jan 5, 1953

Jan 1, 1921

By Duane L. Whiting

Jan 1, 1985

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Jan 1, 1938

By Michael Poole, Joseph M. Chelini

Most earthmoving operations using off-road, rubber tired production equipment have abnormally high total tire costs. Achieving informational control over 7 direct and 2 indirect tire cost centers can reduce tire costs more than 50 percent; a 20 percent savings is often guaranteed. This is achieved by utilizing available computer software and implementing tire information management through the engineering deparatment.

Jan 1, 1983

By C. W. Purington

Jan 1, 1900

By Feridun A. Albayrak

Jan 1, 1985

The 118th meeting of the Institute was under the auspices of the Institute of Metals Division and the Iron and Steel Section, and was held at Milwaukee, Wis. The opening session was a joint meeting with the American Foundrymen's Association and the American Malleable Castings Association, and was presided over by Benjamin D. Fuller, President of the American Foundrymen's Association. At this time Hon. Emanuel

Jan 12, 1918

Jan 1, 1879

By J. D. Miller, R. L. Atwood

The structure, properties, and composition of commercial chelating-type copper extractants are examined. Characterization of these extractants was accomplished using organic separation techniques and analytical tools such as NMR and infrared spectroscopy. Results indicate that only the trans isomer of the diphenylhydroxyoxime (LIX 64N) is capable of copper chelation. The effects of structural modification of the extractants on the extraction and stripping reactions are discussed.

Jan 1, 1974

Jan 1, 1915

Jan 1, 1904

By Courtenay de Kalb

The following observations upon onyx-marbles are fragmentary, and may shortly be rendered superfluous by the appearance of a work upon these interesting stones by Prof. George

Jan 1, 1896

Jan 1, 1967

[NORTH AMERICA UNITED STATES ALABAMA Birmingham CORD, Richard H DISMUKES, Edward B Citronelle PERRIN, Huey P Fairfield PAGEL, Herbert Ervin Huntsville ENG, Harvard KELLEY, Dean W WAGGONER, J B Mobile HORNER, William L PETROUTSON, Peter C Montgomery GAMBLE, Halbert R Redstone RAWLINGS, William E Tuscaloosa MASON, William L University CUDWORTH, James R JONES, Walter B]

Jan 1, 1961

By G. S. Rice

Undoubtedly there is a serious problem through the juxtapostion of gas and oil wells and coal mines, not only at the present time, but possibly of far more serious import for the future.

Jan 1, 1915

By Franklin H. Sharp

The operation of the Magmont Concentrator located on the New Lead Belt of Southeast Missouri is described. Ore characteristics affecting lead-copper-zinc separation are enumerated, and the cur- rent methods of separation are detailed.

Jan 1, 1976