PARTICLE SIZE EFFECTS IN X-RAY ABSORPTION ANALYSIS: GENERAL EQUATION FOR TRANSMITTED INTENSITYBUREK R.1982; J. RADIOANAL. CHEM.; ISSN 0022-4081; CHE; DA. 1982; VOL. 68; NO 1-2; PP. 199-207; BIBL. 3 REF.Article

WASSERGEHALTSBESTIMMUNG IN ASCHEREICHEN STEINKOHLEN NACH DEM BETA -RUECKSTREUVERFAHREN = WATER CONTENT DETERMINATION BY THE BETA -BACKSCATTER METHOD FOR HIGH-ASH HARDCOALBUREK R.1982; GLUECKAUF-FORSCHUNGSH.; DEU; DA. 1982-02; VOL. 43; NO 1; PP. 21-22Article

PARAMETRIC STUDY OF THE CALIBRATION CURVES OF AN INSTRUMENT FOR ASH CONTENT MEASUREMENT USING THE PROCESS OF BETA BACK-SCATTERINGBUREK R.1977; ARCH. GORNICT.; POLSKA; DA. 1977; VOL. 22; NO 1; PP. 91-99; ABS. ALLEM.; BIBL. 5 REF.Article

A COAL ASH ON-LINE MONITOR USING A BETA-RADIATION SOURCEBUREK R.1976; ZESZ. NAUK. AKAD. GORN.-HUTN. STANISLAWA STASZICA; POLSKA; DA. 1976; NO 579; PP. 79-94; ABS. ANGL. RUSSE; BIBL. 40 REF.Article

ERROR OF DETERMINATION OF ASH CONTENT OF COAL BY THE METHODS OF X-RAY TRANSMISSION AND X-RAY AND BETA SCATTERINGBUREK R.1976; PRZEGL. GORN.; POLSKA; DA. 1976; VOL. 32; NO 11; PP. 504-507; ABS. RUSSE ANGL. FR. ALLEM.; BIBL. 6 REF.Article

PARTICLE SIZE IN X-RAY ABSORPTION ANALYSIS: FORMULAE FOR SIZE DISTRIBUTIONS.BUREK R.1976; J. RADIOANAL. CHEM.; SWITZ.; DA. 1976; VOL. 33; NO 2; PP. 263-272; BIBL. 5 REF.Article

Determination of ash content in highly moistened coals by backscattered X-rays of ¹⁰⁹CdBUREK, R.Journal of radioanalytical and nuclear chemistry. 1991, Vol 148, Num 2, pp 273-283, issn 0236-5731, 11 p.Article

Oznaczenie zawartósci popiołu w we¸glu na podstawie ilorazu nate¸żeń koherentnie i niekoherentnie rozproszonych promieni y = Détermination de la teneur en cendres du charbon d'après le quotient d'intensité des rayons gamma diffusés d'une façon cohérente et incohérente = Determination of coal ash content on the basis of coherent and incoherent intensity quotientBUREK, R.Przegląd górniczy. 1987, Vol 43, Num 10, pp 5-6, issn 0033-216XArticle

Radiometric determination of sulphur content of coalBUREK, R.Journal of radioanalytical and nuclear chemistry. 1995, Vol 191, Num 1, pp 171-179, issn 0236-5731Article

Particle size effects in beta-backscattering analysis: grain size effect in loose samplesBUREK, R.Journal of radioanalytical and nuclear chemistry. 1986, Vol 97, Num 2, pp 329-339, issn 0236-5731Article

RADIOMETRYCZNE METODY AZNACZANIA ZAWARTOSCI POPIOLU W MIESZANKACH WEGLI ENERGETYCZNYCH = RADIOMETRIC METHODS OF ASH CONTENT DETERMINATION IN POWER COAL MIXTURES = METHODES RADIOMETRIQUES DE DETERMINATION DE LA TENEUR EN CENDRE DE MELANGES DE CHARBONS VAPEURBUREK R; GOEBEL H; CISZEWSKA H et al.1980; PRZEGL. GORN.; POL; DA. 1980; VOL. 36; NO 5; PP. 264-268; ABS. RUS/ENG/FRE/GER; BIBL. 7 REF.Article

PODSTAWY NIENISZCZACEJ METODY OZNACZANIA WARTOSCI OPALAWEJ WEGLI = BASES OF A NON-DESTRUCTIVE METHOD FOR DETERMINING THE CALORIFIC VALUE OF COALS = METHODE NON DESTRUCTIVE DE DETERMINATION DU POUVOIR CALORIFIQUE D'UN CHARBONBUREK R; GOEBEL H; BOBYK M et al.1979; PRZEGL. GORN.; POL; DA. 1979; VOL. 35; NO 3; PP. 123-127; ABS. RUS/ENG/FRE/GER; BIBL. 4 REF.Article

METHODES RADIOMETRIQUES DE DETERMINATION DE LA TENEUR EN MATIERE MINERALE (CENDRE) DES CHARBONS DE LA SILESIE SUPERIEURE ET DES LIGNITES DE LA MINE DE TUROW.BUREK R; MIRKOWSKI C; PAWLAK J et al.1968; NUKLEONIKA; POL; 1968, VOL. 13, P. 535 A 545Miscellaneous

OZNACZANIA ZAWARTOSCI WILGOCI PRZEMIJAJACEK W WEGLU METODA RADIOMETRYEZNA = DETERMINATION OF SURFACE MOISTURE CONTENT OF COAL BY A RADIOMETRIC METHOD = DETERMINATION DE L'HUMIDITE SUPERFICIELLE DU CHARBON PAR METHODE RADIOMETRIQUEBUREK R; ZURAWICZ JK; WOJCIK K et al.1980; PRZEGL. GORN.; POL; DA. 1980; VOL. 36; NO 3; PP. 138-139; ABS. RUS/ENG/FRE/GER; BIBL. 2 REF.Article

Nutrient composition of plants most favoured by black rhinoceros (Diceros bicornis) in the wildGHEBREMESKEL, K; WILLIAMS, G; BRETT, R. A et al.Comparative biochemistry and physiology. A. Comparative physiology. 1991, Vol 98, Num 3-4, pp 529-534, issn 0300-9629, 6 p.Article