共 50 条
- [1] TRACE-ELEMENTS IN LIGNITE LITHOTYPES FROM THE ELHOVO COAL BASIN [J]. DOKLADI NA BOLGARSKATA AKADEMIYA NA NAUKITE, 1986, 39 (10): : 99 - 101
- [4] POTENTIALLY HAZARDOUS TRACE-ELEMENTS IN KENTUCKY COALS [J]. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1995, 210 : 91 - FUEL
- [8] ANALYSIS OF TRACE-ELEMENTS IN FEED AND BENEFICIATED COALS [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1989, 334 (07): : 630 - 630
- [10] A STUDY OF SOME TRACE-ELEMENTS IN INFANT FOODS [J]. JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1982, 69 (1-2): : 401 - 415