ISOTOPIC ANOMALIES OF OSMIUM FROM DIFFERENT DEPOSITS DETERMINED BY THE LASER MICROPROBE MASS ANALYZER LAMMAENGLERT P; HERPERS U.1980; INORG. NUCL. CHEM. LETTERS; GBR; DA. 1980; VOL. 16; NO 1; PP. 37-43; BIBL. 11 REF.Article

DIE VORZUEGE VON 2-FACH UND 3-FACH-Y-KOINZIDENZANORDNUNGEN BEI DER SELEKTIVEN UND "ZERSTOERUNGSFREIEN" BESTIMMUNG SPEZIELLER SPURENELEMENTE IN DER AKTIVIERUNGSANALYSE. = LES AVANTAGES DU DISPOSITIF DE MESURE DES COINCIDENCES DE 2EME ET 3EME ORDRE POUR LA DETERMINATION SELECTIVE ET NON-DESTRUCTRICE DES ELEMENTS MINEURS DANS L'ANALYSE DE L'ACTIVATION NEUTRONIQUEHERPERS U; WOELFLE R.1974; MESSTECHNIK; DTSCH.; DA. 1974; VOL. 82; NO 5; PP. 111-118; ABS. ANGL.; BIBL. 25 REF.; 8 ILL.; 42 ANAL.Article

DETERMINATION OF ²²⁷AC IN GEOLOGICAL MATERIALS THROUGH NEUTRON ACTIVATION AND ALPHA-SPECTROMETRY ASSAY OF INDUCED ²²⁸TH.ALY HF; HERPERS U; HERR W et al.1975; J. RADIOANAL. CHEM.; SWITZ.; 1975, VOL. 26, NUM. 0002, P. 279 A 287Serial Issue

DIE BESTIMMUNG VON 53MN, WELCHES IN METEORISCHEM MATERIAL DURCH KOSMISCHE STRAHLUNG ERZENGT WURDE, MIT HILFE DER NEUTRONENAKTIVIERUNG (DOSAGE PAR ACTIVATION NEUTRONIQUE DU 53MN FORME DANS LES METEORITES EXPOSEES AU RAYONNEMENT COSMIQUE).HERR W; HERPERS U; WOELFLE R et al.1969; J. RADIOANAL. CHEM.; NLD; 1969, VOL. 2, P. 197 A 203Miscellaneous

₅₃MN AND ₂₆AL IN OBSERVED CHONDRITE FALLS WITH HIGH EXPOSURE AGES = ⁵³MN ET ²⁶AL DANS LES CHONDRITES AYANT UN AGE D'EXPOSITION ELEVEHERR W; HERPERS U; ENGLERT P et al.1981; METEORITICS; ISSN 0026-1114; USA; DA. 1981; VOL. 16; NO 4; PP. 324-325; BIBL. 1 REF.Conference Paper

DIE BESTIMMUNG VON SUBMIKROMENGEN KUPFER IN REINSTMETALLEN UND METEORITEN DURCH EIN HOCHSELEKTIVES GAMMA, GAMMA- KOINZIDENZVERFAHREN. (ANALYSE DE QUANTITES DE CU DE L'ORDRE DU SUB-MICROGRAMME DANS LES METAUX TRES PURS ET LES METEOR- PAR TECHN.TRESWOELFLE R; HERPERS U; HERR W et al.1969; J. RADIOANAL. CHEM.; NLD; 1969, VOL. 2, P. 171 A 182Miscellaneous

PREATMOSPHERIC SIZE OF DHURMSALA, ALHA 77003, AND OTHER METEORITES; MN-53 AND AL-26 STUDIES ON CORE SAMPLES = LES DIMENSIONS PREATMOSPHERIQUES DE DHURMSALA, ALHA 77003 ET AUTRES METEORITES AVANT LEUR ENTREE DANS L'ATMOSPHERE; ETUDE DE ⁵³MN ET ²⁶AL SUR DES ECHANTILLONS DE NOYAUENGLERT P; HERPERS U; HERR W et al.1981; METEORITICS; ISSN 0026-1114; USA; DA. 1981; VOL. 16; NO 4; PP. 311-312; BIBL. 8 REF.; ILL.Conference Paper

PURITY CONTROL OF SEMICONDUCTOR GRADE SILICON BY INSTRUMENTAL NEUTRON ACTIVATION ANALYSIS WITH RESPECT TO INTERPRETATION OF EPR SIGNALS.RIOTT HG; HERPERS U; WEBER W et al.1977; RADIOCHEM. RADIOANAL. LETTERS; SWITZ.; DA. 1977; VOL. 30; NO 4; PP. 311-318; BIBL. 11 REF.Article

IMPROVED TECHNIQUES FOR SEPARATION AND DETERMINATION OF RARE-EARTH ELEMENTS IN EXTRA-TERRESTRIAL MATERIAL.ABDEL RASSOUL AA; HERPERS U; HERR W et al.1971; ACT.ANAL. GEOCHEM. COSMOCHEM., ED. BRUNFELT. A., STEINES. E., UNIVERSITETSFORLAGET, OSLO.; 1971, P. 219 A 226Miscellaneous

ZUR BESTIMMUNG DES KOSMOGENEN ⁵³MN(T EQUIV. A 4 X 10⁶A) DURCH NEUTROHENAKTIVIERUNG. = DOSAGE DE ⁵³MN COSMOGENIQUE (T EQUIV. A 4 X 10⁶A) PAR ACTIVATIONKULUS H; HEIMANN M; HERPERS U et al.sdIN: GEO- UND KOSMOCHEM. ZUSAMMENFASSUNG VORTR. 5. SEMIN. AKTIVIERUNGSANAL.; KOELN; 1974; S.L.; , P. 1Serial Issue

SIMULATION OF THE INTERACTION OF COSMIC RAYS WITH THE LUNAR SURFACE BY PROTON BOMBARDMENT OF A THICK TARGET.WEIGEL H; MICHEL R; HERPERS U et al.1974; RADIOCHIM. ACTA; ALLEM.; DA. 1974; VOL. 21; NO 3-4; PP. 179-190; ABS. ALLEM. FR.; BIBL. 39 REF.Article

SPALLOGENIC ₅₃MN IN THE KIRIN (JILIN) CHONDRITE = ⁵³MN SPALLOGENIQUE DANS LA CHONDRITE KIRIN (JILIN)OSADNIK G; HERPERS U; HERR W et al.1981; METEORITICS; ISSN 0026-1114; USA; DA. 1981; VOL. 16; NO 4; PP. 371-372; BIBL. 8 REF.; ILL.Conference Paper

Determination of the spallogenic radionuclides ²⁶Al and ⁵³Mn in Antarctic meteorites with respect to cosmic ray exposure and terrestrial ages = Dosage des éléments radioactifs spallogènes ²⁶Al et ⁵³Mn dans des météorites Antarctiques en relation avec l'exposition aux rayons cosmiques et les âges terrestresHERPERS, U; SARAFIN, R.Journal of radioanalytical and nuclear chemistry. 1987, Vol 110, Num 1, pp 191-195, issn 0236-5731Conference Paper

Soft x-ray emission from subpicosecond laser-produced plasmasKÜHLKE, D; HERPERS, U; VON DER LINDE, D et al.Applied physics letters. 1987, Vol 50, Num 25, pp 1785-1787, issn 0003-6951Article

COMPUTER ASSISTED MULTIELEMENT ANALYSIS OF TERRESTRIAL AND EXTRA TERRESTRIAL MATERIALS AND STUDIES ON LONG-LIVED COSMOGENIC ⁵³MN BY NEUTRON ACTIVATION.BUHLING A; CARL C; ENGLERT P et al.1977; J. RADIOANAL. CHEM.; SWITZ; DA. 1977; VOL. 38; NO 1-2; PP. 379-390; BIBL. 19 REF.; 7 ILL.; (MOD. TRENDS ACT. ANAL. INT. CONF. III; MUENCHEN; 1976)Conference Paper

Conditions of the cosmic ray exposure of the Jilin chondrite = Conditions d'exposition aux rayons cosmiques de la chondrite JilinHEUSSER, G; OUYANG, Z; KIRSTEN, T et al.Earth and planetary science letters. 1985, Vol 72, Num 2-3, pp 263-272, issn 0012-821XArticle

Further evidence for a glacial maximum in Antarctica during the Late NeogeneHOFLE, H. C; DELISLE, G; HERPERS, U et al.Zeitschrift für Geomorphologie. Supplementband. 1992, Num 86, pp 125-137, issn 0044-2798Article

Bestimmung kleiner Abtragungsraten von Tantal, einer Tantal-Niob-Legierung und Zirconium in azeotroper Salpetersäure mit Hilfe der Radiotracer-Methode = The application of radiotracer technique for the determination of small corrosion rates of tantalum, a tantalum-niobium alloy and zirconium in azeotropic nitric acidKLAS, W; HERPERS, U; MICHEL, R et al.Werkstoffe und Korrosion. 1990, Vol 41, Num 10, pp 556-562, issn 0043-2822, 7 p.Article

Cosmic ray effects in the Antarctic meteorite Allan Hills A 78084 = Effets de rayons cosmiques dans la météorite antarctique de Allan Hills A 78084SARAFIN, R; BOUROT-DENISE, M; CROZAZ, G et al.Earth and planetary science letters. 1985, Vol 73, Num 2-4, pp 171-182, issn 0012-821XArticle

¹⁰Be, ²⁶Al, ⁵³Mn, and light noble gases in Antarctic shergottite EETA 79001 (A.) = ¹⁰Be, ²⁶Al, ⁵³Mn et gaz rares légers dans la shergottite d'Antarctique, EETA 79001(A)SARAFIN, R; HERPERS, U; SIGNER, P et al.Earth and planetary science letters. 1985, Vol 75, Num 1, pp 72-76, issn 0012-821XArticle

Simulation of the interactions of galactic cosmic ray protons by irradiation of a thick stony target with 1.6 GeV protonsMICHEL, R; LÜPKE, M; HERPERS, U et al.Journal of radioanalytical and nuclear chemistry. 1993, Vol 169, Num 1, pp 13-25, issn 0236-5731Conference Paper