kw.\*:("COALIFICATION")
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DETERMINATION OF THE GENETIC PARAMETERS OF COALS USING VITRINITE REFLECTIVITY AND PLASTIC LAYER THICKNESSDOBRONRAVOV VF.1982; HIM. TVERD. TOPL.; ISSN 506842; SUN; DA. 1982; NO 5; PP. 7-11; BIBL. 3 REF.Article
NOWY WSKAZNIK OCENY STOPNIA METAMORFIZMU WEGLI KAMIENNYCH = A NEW INDEX FOR ASSESSING THE DEGREE OF METAMORPHISM OF COALS = NOUVEL INDICE D'EVALUATION DU DEGRE DE METAMORPHISME DES CHARBONSCHRUSCIEL Z.1981; PRZ. GOR.; ISSN 0033-216X; POL; DA. 1981; VOL. 37; NO 12; PP. 592-596; ABS. RUS/ENG/FRE/GER; BIBL. 17 REF.Article
Skhema na genotipite pri vygleobrazuvanetoMINCHEV, D.Godišnik na Sofijskija universitet. Geologo-geografski fakultet. Kniga 1, geologija. 1982, Vol 73, pp 5-18, issn 0324-0479Article
QUINOID GROUPS IN COALSSAPUNOV VA; KUCHERENKO VA.1982; HIM. TVERD. TOPL.; ISSN 506842; SUN; DA. 1982; NO 3; PP. 62-66; BIBL. 25 REF.Article
CHEMICAL MODIFICATION OF COAL BY LIQUID AMMONIAC TREATMENTOHTSUKA Y; IWAI N; TOMITA A et al.1981; NENRYO KYOKAI-SHI; ISSN 0369-3775; JPN; DA. 1981; VOL. 60; NO 12; PP. 983-986; ABS. ENG; BIBL. 11 REF.Article
PREMIERES APPLICATIONS DE LA MICROSONDE MOLE A EFFET RAMAN A L'ETUDE D'UNE SERIE DE CHARBONS = FIRST APPLICATIONS AT A RAMAN MICROPROBE (MOLE) TO THE STUDY OF A SERIES OF COALSBENY BASSEZ C; ROUZAUD IN; OBERLIN A et al.1981; C.R. SEANCES ACAD. SCI., SER. 2, MEC. PHYS. CHIM. SCI. TERRE SCI. UNIVERS; ISSN 0249-6305; FRA; DA. 1981; VOL. 293; NO 7; PP. 509-512; BIBL. 11 REF.Article
COMPARATIVE TESTS OF HIGH-TEMPERATURE GASIFICATION OF COALS OF DIFFERENT TANKSZHOLUDOV YA S; AFANASENKO L YA.1983; HIMICESKAJA TEHNOLOGIJA (KIEV, 1971); ISSN 0368-556X; UKR; DA. 1983; NO 2; PP. 7-10; BIBL. 5 REF.Article
COMPOSITION OF CHLOROFORME BITUMEUS OF HUMIC COALS OF DIFFERENT METAMORPHISM STAGESIZOSIMOVA AN; ZUEVA IN; CHALAYA ON et al.1982; KHIM. TVERD. TOPL.; SUN; DA. 1982; NO 1; PP. 3-8; BIBL. 8 REF.Article
The system-structural analysis and the terminology of low rank coal petrological nomenclaturesSISKOV, G. D.Godišnik na Sofijskija universitet. Geologo-geografski fakultet. Kniga 1, geologija. 1985, Vol 79, Num 1, pp 36-54, issn 0324-0479, 19 p.Article
ADSORPTION OF ORGANIC SUBSTANCES VAPOURS BY NATURAL COALS IN DYNAMIC CONDITIONSZUBKOVA YU N; BUTYUGIN AV.1981; KHIM. TVERD. TOPL.; SUN; DA. 1981; NO 5; PP. 125-128; BIBL. 17 REF.Article
COAL SOLUBILIZATION BY ALKYLATION WITH OLEFINSHIMOMURA M; MAKINO E; SANADA Y et al.1981; NENRYO KYOKAI-SHI; ISSN 0369-3775; JPN; DA. 1981; VOL. 60; NO 12; PP. 987-993; ABS. ENG; BIBL. 20 REF.Article
HIGH-ENERGY (NEODYMIUM) LASER PYROLYSIS OF U.S. COALSVANDERBORGH NE; VERZINO WJ; FLETCHER MA et al.1982; J. ANAL. APPL. PYROLYSIS; ISSN 0165-2370; NLD; DA. 1982; VOL. 4; NO 1; PP. 21-31; BIBL. 13 REF.Article
SOME SPECIAL FEATURES OF THE VARIATION OF CARBONYL GROUP CONTENT OF COALS DURING THEIR METAMORPHISMKUCHERENKO VA; KUZNETSOVA LV; SAPUNOV VA et al.1983; HIMIJA TVERDOGO TOPLIVA; ISSN 506842; SUN; DA. 1983; NO 1; PP. 9-12; BIBL. 17 REF.Article
FLASH HYDROGENATION OF COAL. III: A SAMPLE OF US COALSWEI YIN CHEN; LACAVA AI; GRAFF RA et al.1982; FUEL (GUILDF.); ISSN 0016-2361; GBR; DA. 1982; VOL. 62; NO 1; PP. 56-61; BIBL. 22 REF.Article
DIFFERENTIAL THERMOGRAVIMETRIC STUDY OF THE COMBUSTION PROCESS OF COALSBASKINA EB.1982; KOKS HIM.; ISSN 0023-2815; SUN; DA. 1982; NO 11; PP. 60-61Article
DEHYDROGENATION ACTIVITIES OF COAL LIQUEFACTION CATALYSTS ON VARIOUS RANKS OF COALSYOKONO T; SHIBATA S; CHEE MIN UNG et al.1982; FUEL (GUILDF); ISSN 0016-2361; GBR; DA. 1982; VOL. 61; NO 10; PP. 894-898; BIBL. 11 REF.Conference Paper
THE GRADE OF METAMORPHISM OF POLISH COALS AND THEIR NATURAL AND ACTIVATED FLOATABILITYSABLIK J.1982; INT. J. MINER. PROCESS.; ISSN 0301-7516; NLD; DA. 1982; VOL. 9; NO 3; PP. 245-257; BIBL. 16 REF.Article
BADANIA KINETYCZNE EKSTRAKCJI WEGLI KAMIENNYCH W WARUNKACH NADKRYTYCZNYCH = STUDY OF THE KINETICS OF COAL EXTRACTION UNDER HYPERCRITICAL CONDITIONS = ETUDE DE LA CINETIQUE D'EXTRACTION DE CHARBONS DANS DES CONDITIONS HYPERCRITIQUESSLOMKA B; RUTKOWSKI A; STOLARSKI M et al.1982; KOKS SMOLA GAZ; ISSN 0023-2823; POL; DA. 1982; VOL. 27; NO 10; PP. 97-99; ABS. RUS/FRE/ENG/GER; BIBL. 4 REF.Article
Métamorphisme des charbons et gradient géothermiqueSTANOV, V. V.Himiâ tverdogo topliva. 1985, Num 4, pp 9-15, issn 0023-1177Article
Relations between rock-eval Tmax and other parameters in a sedimentologically homogeneous coal seriesBOUDOU, J.-P.Fuel (Guildford). 1984, Vol 63, Num 3, pp 430-431, issn 0016-2361Article
Coalification analysis as a tool for regional geology in the Northern Eifel (Rhenish Massif, Germany)RIBBERT, K.-H; VIETH, A.International journal of coal geology. 2005, Vol 62, Num 1-2, pp 61-70, issn 0166-5162, 10 p.Conference Paper
A Kéregszerkezeti mozgások szerepe a mecseki feketeszéntelepek gázkitörés-veszélyességének kialakulásában = Le rôle des mouvements de l'écorce terrestre dans la formation liassique des gisements houillers de MecsekNEMEDI VARGA, Z.Bányászati és kohászati lapok. Bányászat. 1985, Vol 118, Num 7, pp 443-450, issn 0522-3512Article
Coalification pattern in the Visé-Puth area around Maastricht (the Netherlands) = Modèle de houillification dans la zone de Visé-Puth autour de Maastricht (Pays-Bas)WOLF, M.1982, Vol 32, Num 1-4, pp 48-49Article
Relationship between clay mineralogy and coalification-rank in sediments of the Ostrava-Karviná coal basin and the Nízký Jeseník Mts = Relation entre la minéralogie des argiles et le degré de houillification des roches sédimentaires, Bassin d'Ostrava-Karviná-Monts Nízký Jeseník, Moravie, TchécoslovaquieKRÁLÍK, J.Conference on clay mineralogy and petrology. 9. 1984, pp 107-118Conference Paper
Solubility of O- and C-alkylated coals of different rankLAZAROV, L; MARINOV, S. P; STEFANOVA, M et al.Coal science and technology. 1987, Vol 11, pp 745-748, issn 0167-9449Conference Paper