MARC全文
02h0005977 20090325110232.0 s19990 dcua frb |000|||eng | NGL a730 ; a834 Zeller, H. William. Fuel additive and engine operation operation effects on diesel soot emissions / |c by H. William Zeller. Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1990. 17 p. : ill. ; 28 cm. Information circular ; 9238 Includes bibliographical references. Mining machinery ; Diesel motor exhaust gas ; Diesel fuels ; Barium. Motors (Diesel) ; Safety measures. ; Purification. ; Additives. Information circular (United States. Bureau of Mines); 9238. aCN bNGL NGL P 720.66 In3 v9238 ; h1 fqyl0803