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Ultra low frequency electromagnetic fire alarm system for underground mines / by K.E. Hjelmstad and W.H. Pomroy.

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Bibliographic Details
Main Author:	Hjelmstad, Kenneth E.
Corporate Author:	United States. Bureau of Mines
Other Authors:	Pomroy, William H.
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. (2401 E St., N.W., Washington 20241-0001) : U.S. Dept. of the Interior, Bureau of Mines, 1991.
Series:	Report of investigations (United States. Bureau of Mines) ; 9377.
Subjects:	Mine fires > Prevention and control. Fire alarms. ELF electromagnetic fields.

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Holdings details from PASCAL Offsite
Call Number:	I 28.23:9376-9400
I 28.23:9376-9400	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Electrolytic production of neodymium metal from a molten chloride electrolyte / by M.... Characteristics of mining-induced seismicity and rock bursting in a deep hard-rock mi... High-temperature cyanide leaching of platinum-group metals from automobile catalysts-... Modeling in situ copper leaching in an unsaturated setting / by Michael J. Friedel. Evaluation of solid-block and cementitious foam seals [microform] / by N.B. Greninger... Recovery of critical metals from superalloy scrap by matte smelting and hydrometallur... Recovery of manganese from steel plant slag by carbamate leaching / by Synthia N. McI... Optical rock dust meter field evaluation / by M.J. Sapko, N. Greninger, and H. Perlee... Copper exchange capacity of clays and their potential effect on in situ copper leachi... Production of titanium dioxide pigment from perovskite concentrates, acid sulfation m... Statistical evaluation and time series analysis of microseismicity, mining, and rock... Accessory metals content of commercial titanium mineral concentrates / by Jack C. Whi... A model of shield-strata interaction and its implications for active shield setting r... Time effects on resin-grouted bolt anchorage characteristics / by William J. Wuest an... Self-contained self-rescuer donning proficiency at eight eastern underground coal min... Ultra low frequency electromagnetic fire alarm system for underground mines / by K.E.... Jet fan ventilation in very deep cuts : a preliminary analysis / by Gerrit V.R. Goodm... Effect of nonionic surfactants on chalcopyrite leaching under dump chemical condition... A method to evaluate the performance of coal fire extinguishants / by A.C. Smith [and... Thermal models of a flame arrester / by John C. Edwards. Dewatering of waste effluent from a tile manufacturing plant / by Gwendolyn D. Hood a... Fire detection for conveyor belt entries [microform] / by Charles D. Litton, Charles... Accuracy and precision of microseismic event locations in rock burst research studies... Predicting materials' ease of combustion : development of a simple test method / by M...