@article{KotterHammonRiekert1989, author = {Kotter, Michael and Hammon, Ulrich and Riekert, Lothar}, title = {Gewinnung niedriger Olefine aus Methanol bei partiellem Umsatz mit R{\"u}ckf{\"u}hrung / U. Hammon ; M. Kotter ; L. Riekert}, series = {Chemie - Ingenieur - Technik. 61 (1989), H. 2}, journal = {Chemie - Ingenieur - Technik. 61 (1989), H. 2}, isbn = {0009-286X}, pages = {151 -- 152}, year = {1989}, language = {de} } @article{KotterRiekertTurek1989, author = {Kotter, Michael and Riekert, Lothar and Turek, Thomas}, title = {Entfernung von Ammoniak aus Abw{\"a}ssern durch Strippung und Sorption an Zeolithen : [Synopse 1724]}, series = {Chemie - Ingenieur - Technik. 61 (1989), H. 1}, journal = {Chemie - Ingenieur - Technik. 61 (1989), H. 1}, isbn = {0009-286X}, pages = {74 -- 75}, year = {1989}, language = {de} } @article{KotterBeckerRiekert1989, author = {Kotter, Michael and Becker, Dieter and Riekert, Lothar}, title = {Zur Selektivit{\"a}t der partiellen Oxidation von Propen an Schalenkatalysatoren / Dieter Becker ; Michael Kotter ; Lothar Riekert}, series = {Chemie - Ingenieur - Technik. 61 (1989), H. 9}, journal = {Chemie - Ingenieur - Technik. 61 (1989), H. 9}, isbn = {0009-286X}, pages = {748 -- 749}, year = {1989}, language = {de} } @article{KotterLintzRiekertetal.1989, author = {Kotter, Michael and Lintz, Hans-G{\"u}nther and Riekert, Lothar and Trimm, D. L.}, title = {Structure and selectivity changes in vanadia-titania catalysts used to promote the reduction of nitric oxide with ammonia}, series = {Applied catalysis. 52 (1989), H. 1}, journal = {Applied catalysis. 52 (1989), H. 1}, isbn = {0166-9834}, pages = {225 -- 235}, year = {1989}, language = {en} } @article{PrielmeierSpeedyVardagetal.1989, author = {Prielmeier, Franz and Speedy, R. J. and Vardag, T. and Lang, E. W.}, title = {Diffusion in simple fluids / R. J. Speedy; F. X. Prielmeier; T. Vardag; E. W. Lang; H.-D. L{\"u}demann}, series = {Molecular Physics. 66 (1989), H. 3}, journal = {Molecular Physics. 66 (1989), H. 3}, isbn = {0026-8976}, pages = {577 -- 590}, year = {1989}, language = {en} } @article{LauthSolomunHirschwaldetal.1989, author = {Lauth, Jakob and Solomun, T. and Hirschwald, W. and Christmann, K.}, title = {The interaction of carbon monoxide with a ruthenium(1010) surface}, series = {Surface Science. 210 (1989), H. 1-2}, journal = {Surface Science. 210 (1989), H. 1-2}, isbn = {0039-6028}, pages = {201 -- 224}, year = {1989}, language = {en} } @article{LauthSolomunHirschwaldetal.1989, author = {Lauth, Jakob and Solomun, T. and Hirschwald, W. and Christmann, K.}, title = {The interaction of carbon monoxide with a ruthenium(1010) surface}, series = {Surface Science Letters. 210 (1989), H. 1-2}, journal = {Surface Science Letters. 210 (1989), H. 1-2}, isbn = {0167-2584}, pages = {A74 -- A75}, year = {1989}, language = {en} } @article{Lassonczyk1989, author = {Lassonczyk, Beate}, title = {Fossile Bodenbildung in Nord-Somalia}, series = {Mitteilungen der Deutschen Bodenkundlichen Gesellschaft. 59 (1989), H. 2}, journal = {Mitteilungen der Deutschen Bodenkundlichen Gesellschaft. 59 (1989), H. 2}, isbn = {0343-107x}, pages = {927 -- 930}, year = {1989}, language = {de} } @book{Scherer1989, author = {Scherer, Ulrich W.}, title = {Untersuchungen zur Synthese und chemischen Charakterisierung sehr schwerer Elemente / Ulrich W. Scherer}, publisher = {Gesellschaft f{\"u}r Schwerionenforschung mbH}, address = {Darmstadt}, pages = {123 S.}, year = {1989}, language = {de} } @article{SchererHessbergerGaeggeleretal.1989, author = {Scherer, Ulrich W. and Heßberger, F. P. and G{\"a}ggeler, H. W. and Armbruster, P.}, title = {The New Nuclide 225U / F.P. Heßberger, H. G{\"a}ggeler, P. Armbruster, W. Br{\"u}chle, H. Folger, S. Hofmann, D. Jost, J.V. Kratz, M.E. Leino, G. M{\"u}nzenberg, V. Ninov, M. Sch{\"a}del, U.W. Scherer, K. S{\"u}mmerer, A. T{\"u}rler, D. Ackerman}, series = {Zeitschrift f{\"u}r Physik A Hadrons and Nuclei. 333 (1989), H. 1}, journal = {Zeitschrift f{\"u}r Physik A Hadrons and Nuclei. 333 (1989), H. 1}, isbn = {0939-7922}, pages = {111 -- 112}, year = {1989}, language = {en} } @article{SchererGaeggelerJostetal.1989, author = {Scherer, Ulrich W. and G{\"a}ggeler, H. W. and Jost, D. T. and T{\"u}rler, A.}, title = {Cold Fusion Reactions with 48Ca / H.W. G{\"a}ggeler, D.T. Jost, A. T{\"u}rler, P. Armbruster, W. Br{\"u}chle, H. Folger, F.P. Heßberger, S. Hofmann, G. M{\"u}nzenberg, V. Ninov, W. Reisdorf, M. Sch{\"a}del, K. S{\"u}mmerer, J.V. Kratz, U. Scherer, M.E. Leino}, series = {Nuclear Physics A . 502 (1989), H. 1}, journal = {Nuclear Physics A . 502 (1989), H. 1}, isbn = {0375-9474}, pages = {561 -- 570}, year = {1989}, language = {en} } @article{SchererKratzZimmermannetal.1989, author = {Scherer, Ulrich W. and Kratz, J. V. and Zimmermann, H. P. and Sch{\"a}del, M.}, title = {Chemical Properties of Element 105 in Aqueous Solutions: Halide Complex Formation and Anion Exchange into Triisooctylamine / J.V. Kratz, H.P. Zimmermann, U.W. Scherer, M. Sch{\"a}del, W. Br{\"u}chle, K.E. Gregorich, C.M. Gannett, H.L. Hall, R.A. Henderson, D.M. L}, series = {Radiochimica Acta. 48 (1989)}, journal = {Radiochimica Acta. 48 (1989)}, isbn = {0033-8230}, pages = {121}, year = {1989}, language = {en} } @article{SchererSchaedelBruechleetal.1989, author = {Scherer, Ulrich W. and Sch{\"a}del, M. and Br{\"u}chle, W. and J{\"a}ger, E.}, title = {ARCA II - A New Apparatus for Fast Repetitive HPLC-Separations / M. Sch{\"a}del, W. Br{\"u}chle, E. J{\"a}ger, E. Schimpf, J.V. Kratz, U.W. Scherer, H.P. Zimmermann}, series = {Radiochimica Acta. 48 (1989)}, journal = {Radiochimica Acta. 48 (1989)}, isbn = {0033-8230}, pages = {171}, year = {1989}, language = {en} } @misc{MangMaier1989, author = {Mang, Thomas and Maier, Josef}, title = {Verfahren zur Herstellung einer haptenisierten Polysaccharidmatrix}, publisher = {Deutsches Patent- und Markenamt}, address = {M{\"u}nchen}, year = {1989}, language = {de} } @book{Mang1989, author = {Mang, Thomas}, title = {Verfahren zur Herstellung einer haptenisierten Polysaccharidmatrix}, publisher = {Europ{\"a}isches Patentamt}, address = {M{\"u}nchen}, year = {1989}, language = {de} } @article{LaackRefisch1989, author = {Laack, Walter van and Refisch, A.}, title = {Die neuralgische Amyotrophie des Lumbalbereiches / Refisch, A. ; Laack, W. van}, series = {Orthop{\"a}dische Praxis. 7 (1989)}, journal = {Orthop{\"a}dische Praxis. 7 (1989)}, isbn = {0030-588x}, pages = {437}, year = {1989}, language = {de} } @article{LaackCasser1989, author = {Laack, Walter van and Casser, H.-R.}, title = {Arthroskopische Behandlung der Osteochondrosis dissecans an der medialen Femurrolle}, series = {Arthroskopie. 2 (1989), H. 1}, journal = {Arthroskopie. 2 (1989), H. 1}, isbn = {0933-7946}, pages = {16 -- 18}, year = {1989}, language = {de} } @article{LaackRefisch1989, author = {Laack, Walter van and Refisch, A.}, title = {Neuralgic amyotrophy of the lumbar area. Case Report / Refisch, A. ; Laack, W. van}, series = {Archives of Orthopaedic and Trauma Surgery. 108 (1989), H. 5}, journal = {Archives of Orthopaedic and Trauma Surgery. 108 (1989), H. 5}, isbn = {0936-8051}, pages = {329 -- 332}, year = {1989}, language = {en} } @article{BaumannTillmannAletsee1989, author = {Baumann, Marcus and Tillmann, U. and Aletsee, L.}, title = {Distribution of Carbon Among Photosynthetic End Products in the Bloom-Forming Arctic Diatom Thalassiosira antarctica COMBER / Tillmann, U. ; Baumann, M.E.M. ; Aletsee, L.}, series = {Polar Biology. 10 (1989), H. 3}, journal = {Polar Biology. 10 (1989), H. 3}, isbn = {0722-4060}, pages = {231 -- 238}, year = {1989}, language = {en} } @book{Fassbender1989, author = {Faßbender, Heinz}, title = {Implementierung der Call-by-Need Auswertungsstrategie f{\"u}r Macro Tree-to-String Transducer auf Nested-Stack Maschinen mit geschachtelten Ausgabeb{\"a}ndern}, address = {Aachen}, year = {1989}, language = {de} } @article{Hanrath1989, author = {Hanrath, Wilhelm}, title = {Character tables of some factor groups of space groups}, series = {Perfect groups / Derek F. Holt and W. Plesken}, journal = {Perfect groups / Derek F. Holt and W. Plesken}, publisher = {Clarendon Press}, address = {Oxford}, isbn = {0-19-853559-7}, pages = {357 -- 359}, year = {1989}, language = {en} } @article{WeberSchmittJahnetal.1989, author = {Weber, Hans-Joachim and Schmitt, W. and Jahn, D. and Euringer, H.}, title = {Ein Versuch zur theoretischen Temperaturermittlung im Schneidbereich bei Bohrungen in kortikalem Knochen - An Experiment to Calculate the Theoretical Temperature at the Drill - Cortical Bone Interface / Schmitt, W. ; Weber, H. J. ; Jahn, D. ; Euringer, H.}, series = {Biomedizinische Technik/Biomedical Engineering. 34 (1989), H. 3}, journal = {Biomedizinische Technik/Biomedical Engineering. 34 (1989), H. 3}, isbn = {0013-5585}, pages = {53 -- 56}, year = {1989}, language = {de} } @article{LaackCasser1989, author = {Laack, Walter van and Casser, H. R.}, title = {Cortisonbedingte Ablederung der H{\"u}ftkopfkappe / Laack, W. van ; Casser, H. R.}, series = {Neuere Ergebnisse in der Osteologie : Skelettwachstum, Endoprothetik, Glukokortikoide ; [15. - 18. Februar 1989 in G{\"o}ttingen] / H.-G. Willert ; F. H. W. Heuck (Hrsg.)}, journal = {Neuere Ergebnisse in der Osteologie : Skelettwachstum, Endoprothetik, Glukokortikoide ; [15. - 18. Februar 1989 in G{\"o}ttingen] / H.-G. Willert ; F. H. W. Heuck (Hrsg.)}, publisher = {Springer}, address = {Berlin}, isbn = {3-540-51175-X}, pages = {566 -- 568}, year = {1989}, language = {de} } @book{Goettsche1989, author = {G{\"o}ttsche, Joachim}, title = {Eine Maximum-Likelihood-Methode zur Charakterisierung fraktaler Mengen und chaotischer dynamische Prozesse/ vorgelegt von Joachim G{\"o}ttsche}, publisher = {Inst. f{\"u}r Theoretische Physik und Sternwarte der Christian-Albrechts-Univ.}, address = {Kiel}, pages = {138 Bl : Ill., graph. Darst.}, year = {1989}, language = {de} } @misc{HofbauerHaertelLoesingetal.1989, author = {Hofbauer, Peter and H{\"a}rtel, G{\"u}nter and L{\"o}sing, Karl-Heinrich and Dorner, Robert and Simonis, Rainer and Schulte, Erasmus}, title = {Brennstoffeinspritzsystem f{\"u}r Brennkraftmaschinen : Offenlegungsschrift DE 3833215 A1 ; Offenlegungstag: 28.12.89}, publisher = {Deutsches Patent- und Markenamt}, address = {M{\"u}nchen}, pages = {12 S.}, year = {1989}, abstract = {Es wird ein Brennstoffeinspritzsystem f{\"u}r Brennkraftmaschinen vorgeschlagen, bei dem ein definiertes Teil eines fest vorgegebenen Brennstoffvolumens durch die Druckerh{\"o}hung innerhalb einer brennstoffeinschließenden Kammer eine definierte Brennstoffmenge {\"u}ber jeweils ein R{\"u}ckschlagventil abgespritzt wird. Ein elektronisches Steuerger{\"a}t berechnet die Dauer und/oder Intensit{\"a}t und gegebenenfalls die Impulsfolge eines zum Beispiel zur Verdampfung einer bestimmten Brennstoffmenge erforderlichen Laserimpulses. Das System kann f{\"u}r Ein- oder Mehrstelleinspritzung Verwendung finden.}, subject = {Brennkraftmaschine}, language = {de} } @article{Ziemons1989, author = {Ziemons, Karl}, title = {An investigation of the spin structure of the proton in deep inelastic scattering of polarised muons and polarised protons}, series = {Nuclear Physics B}, volume = {328}, journal = {Nuclear Physics B}, number = {1}, isbn = {0550-3213}, pages = {1 -- 35}, year = {1989}, abstract = {The spin asymmetry in deep inelastic scattering of longitudinally polarised muons by longitudinally polarised protons has been measured in the range 0.01<×<0.7. The spin dependent structure function g1(x) for the proton has been determined and, combining the data with earlier SLAC measurements, its integral over x found to be 0.126±0.010(stat.)±0.015(syst.), in disagreement with the Ellis-Jaffe sum rule. Assuming the validity of the Biorken sum rule, this result implies a significant negative value for the integral of g1 for the neutron. These integrals lead to the conclusion, in the na{\"i}ve quark parton model, that the total quark spin constitutes a rather small fraction of the spin of the nucleon. Results are also presented on the asymmetries in inclusive hadron production which are consistent with the above picture.}, language = {en} } @article{LueckGerlingPredel1989, author = {L{\"u}ck, Reinhard and Gerling, Ulrich and Predel, Bruno}, title = {An entropy paradox of the association model}, series = {Zeitschrift f{\"u}r Metallkunde : international journal of materials research and advanced techniques. Bd. 80, H. 4}, journal = {Zeitschrift f{\"u}r Metallkunde : international journal of materials research and advanced techniques. Bd. 80, H. 4}, issn = {0044-3093 ; 0179-4841}, pages = {270 -- 275}, year = {1989}, language = {en} } @article{SaffeLodewiksHaasetal.1989, author = {Saffe, P. and Lodewiks, J. and Haas, H.-J. and Feigel, H.-J. and Ulrich, H. and Mauer, J. and Ortwig, H. and Dahmann, Peter and Rotth{\"a}user, S. and Tao, J. and Ohlischl{\"a}ger, O. and Scholz, D. and Bergmann, M. and Anders, P.}, title = {Neues von ASB Antreiben - Steuern - Bewegen}, series = {{\"O}lhydraulik und Pneumatik. Vol. 33 (1989), H. 7}, journal = {{\"O}lhydraulik und Pneumatik. Vol. 33 (1989), H. 7}, issn = {0341-2660}, pages = {550 -- 572}, year = {1989}, language = {de} } @inproceedings{GerlingVogelsang1989, author = {Gerling, Ulrich and Vogelsang, D.}, title = {Temperaturfeldberechnungen mit ASKA unter Ber{\"u}cksichtigung des Phasen{\"u}bergangs fest/fl{\"u}ssig}, series = {FEM '89 Congress : International FEM-Congress, Baden-Baden, Federal Republic of Germany, 20./21. November 1989}, booktitle = {FEM '89 Congress : International FEM-Congress, Baden-Baden, Federal Republic of Germany, 20./21. November 1989}, publisher = {IKOSS}, address = {Stuttgart}, pages = {295 -- 314}, year = {1989}, language = {de} } @article{PeekenBennerPlatt1989, author = {Peeken, Heinz and Benner, Joachim and Platt, Werner}, title = {Ausfallkriterien elastomerbest{\"u}ckter Wellenkupplungen}, series = {Antriebstechnik : Konstruktion, Entwicklung und Anwendung von Antrieben und Steuerungen ; Organ der Forschungsvereinigung Antriebstechnik e.V.}, volume = {28}, journal = {Antriebstechnik : Konstruktion, Entwicklung und Anwendung von Antrieben und Steuerungen ; Organ der Forschungsvereinigung Antriebstechnik e.V.}, number = {11}, publisher = {Vereinigte Fachverl.}, address = {Mainz}, issn = {0341-2652}, pages = {85 -- 88}, year = {1989}, language = {de} } @article{Benner1989, author = {Benner, Joachim}, title = {Schwingungsbelastung von drehzahlgeregelten Antrieben mit Stromrichtermotoren}, series = {Antriebstechnik : Konstruktion, Entwicklung und Anwendung von Antrieben und Steuerungen ; Organ der Forschungsvereinigung Antriebstechnik e.V.}, volume = {28}, journal = {Antriebstechnik : Konstruktion, Entwicklung und Anwendung von Antrieben und Steuerungen ; Organ der Forschungsvereinigung Antriebstechnik e.V.}, number = {12}, publisher = {Vereinigte Fachverl.}, address = {Mainz}, issn = {0341-2652}, pages = {49 -- 54}, year = {1989}, language = {de} } @inproceedings{Benner1989, author = {Benner, Joachim}, title = {Schwingungstechnische Dimensionierung von Maschinens{\"a}tzen mit Stromrichtermotoren}, series = {Antriebstechnisches Kolloquium '89 : Maschinen- und Anlagen{\"u}berwachung ; Elemente der Antriebstechnik im System ; neue Konzepte in der Antriebstechnik. - (Reihe IME-Leitfaden)}, booktitle = {Antriebstechnisches Kolloquium '89 : Maschinen- und Anlagen{\"u}berwachung ; Elemente der Antriebstechnik im System ; neue Konzepte in der Antriebstechnik. - (Reihe IME-Leitfaden)}, editor = {Peeken, Heinz}, publisher = {Verl. T{\"U}V Rheinland}, address = {K{\"o}ln}, issn = {3-88585-639-5}, pages = {309 -- 333}, year = {1989}, language = {de} } @article{Meliss1989, author = {Meliß, Michael}, title = {Regenerative Energiequellen}, series = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 41 (1989), H. 4}, journal = {Brennstoff, W{\"a}rme, Kraft : BWK ; das Energie-Fachmagazin. Bd. 41 (1989), H. 4}, issn = {0006-9612 (Print) ; 1436-4883 (E-Journal)}, pages = {146 -- 151}, year = {1989}, language = {de} } @inproceedings{AnikFrohberg1989, author = {Anik, Sabri and Frohberg, Martin G.}, title = {Thermodynamic behaviour of oxygen in molten metallic alloys}, series = {Thermochemistry of alloys : recent developments of experimental methods ; [proceedings of the NATO Advanced Study Institute on Thermochemistry of Alloys, Recent Developments of Experimental Methods, Kiel, F.R.G., August 17 - 27, 1987]. - (NATO ASI series : Series C ; 286)}, booktitle = {Thermochemistry of alloys : recent developments of experimental methods ; [proceedings of the NATO Advanced Study Institute on Thermochemistry of Alloys, Recent Developments of Experimental Methods, Kiel, F.R.G., August 17 - 27, 1987]. - (NATO ASI series : Series C ; 286)}, editor = {Brodowsky, Horst}, publisher = {Springer}, address = {Dordrecht [u.a.]}, isbn = {0-7923-0434-9}, pages = {419 -- 428}, year = {1989}, language = {en} } @article{Meliss1989, author = {Meliß, Michael}, title = {Regenerative Energiequellen. Technischer Stand und Wirtschaftlichkeit}, series = {Energiewirtschaftliche Tagesfragen. Jg. 39 (1989), H. 1/2}, journal = {Energiewirtschaftliche Tagesfragen. Jg. 39 (1989), H. 1/2}, issn = {0013-743X ; 0720-6240}, pages = {18 -- 25}, year = {1989}, language = {de} } @article{Meliss1989, author = {Meliß, Michael}, title = {Photovoltaik bietet gr{\"o}ßtes Potential. NRW-Forschungs- und Entwicklungsarbeiten bereits heute anerkennenswert}, series = {Energie : das Magazin f{\"u}r Wirtschaft, Forschung, Technik, Umwelt. Bd. 41 (1989), H. 12}, journal = {Energie : das Magazin f{\"u}r Wirtschaft, Forschung, Technik, Umwelt. Bd. 41 (1989), H. 12}, issn = {0013-7359}, pages = {32 -- 41}, year = {1989}, language = {de} } @misc{Wahle1989, author = {Wahle, Michael}, title = {Gestaltung von plattenf{\"o}rmigen Hohlprofilen oder wellblechartigen Profilen : Offenlegungsschrift / Europ{\"a}ische Patentschrift}, publisher = {Deutsches Patent- und Markenamt / Europ{\"a}isches Patentamt}, address = {M{\"u}nchen / Den Hague}, pages = {8 S. : graph. Darst.}, year = {1989}, language = {de} } @article{KalbeHoeckerBerndt1989, author = {Kalbe, Jochen and H{\"o}cker, Hartwig and Berndt, Heinz}, title = {Design of enzyme reactors as chromatographic columns for racemic resolution of amino acid esters}, series = {Chromatographia}, volume = {28}, journal = {Chromatographia}, number = {3-4}, isbn = {0009-5893}, doi = {10.1007/BF02319646}, pages = {193 -- 196}, year = {1989}, language = {en} } @article{KuropkaMuellerHoeckeretal.1989, author = {Kuropka, Rolf and M{\"u}ller, Bettina and H{\"o}cker, Hartwig and Berndt, Heinz}, title = {Chiral stationary phases via hydrosilylation reaction of N-acryloylamino acids : I. Stationary phase with one chiral centre for high-performance liquid chromatography and development of a new derivatization pattern for amino acid enantiomers}, series = {Journal of chromatography A}, journal = {Journal of chromatography A}, number = {481}, isbn = {0021-9673}, pages = {380 -- 386}, year = {1989}, language = {en} } @article{Alt1989, author = {Alt, Helmut}, title = {Sechsunddreißig Spielarten der Verrechung : die Behandlung von Tilgungs- und Zinszahlungen}, series = {Frankfurter Zeitung : Blick durch die Wirtschaft : Zeitung f{\"u}r Finanzen, Steuern, Recht und Management}, journal = {Frankfurter Zeitung : Blick durch die Wirtschaft : Zeitung f{\"u}r Finanzen, Steuern, Recht und Management}, pages = {vom 12.9.1989}, year = {1989}, language = {de} } @inproceedings{BerndtKalbeKuropkaetal.1989, author = {Berndt, Heinz and Kalbe, Jochen and Kuropka, Rolf and Meyer-Stork, L. Sebastian and Sauter, S. L. and H{\"o}cker, Hartwig}, title = {Eindeutige Charakterisierung von Tierhaaren und Tierhaar-Mischungen durch DNA-Analytik}, series = {Beitr{\"a}ge zur 15. Gemeinsamen Tagung der Aachener Textilforschungsinstitute und des "Wollfadens", zugleich 32. Arbeitstagung des Deutschen Wollforschungsinstitutes an der Technischen Hochschule Aachen : am 06. und 07. Oktober 1988. - (Schriftenreihe des Deutschen Wollforschungsinstituts an der Technischen Hochschule Aachen e. V. ; 104)}, booktitle = {Beitr{\"a}ge zur 15. Gemeinsamen Tagung der Aachener Textilforschungsinstitute und des "Wollfadens", zugleich 32. Arbeitstagung des Deutschen Wollforschungsinstitutes an der Technischen Hochschule Aachen : am 06. und 07. Oktober 1988. - (Schriftenreihe des Deutschen Wollforschungsinstituts an der Technischen Hochschule Aachen e. V. ; 104)}, publisher = {Dt. Wollforschungsinst.}, address = {Aachen}, issn = {0930-3723}, pages = {29 -- 32}, year = {1989}, language = {de} } @article{Alt1989, author = {Alt, Helmut}, title = {Steuerreformgesetz 1990}, series = {Elektrizit{\"a}tswirtschaft}, volume = {Bd. 88}, journal = {Elektrizit{\"a}tswirtschaft}, number = {H. 1/2}, issn = {0013-5496}, pages = {78 -- 83}, year = {1989}, language = {de} } @article{Alt1989, author = {Alt, Helmut}, title = {Steuerreformgesetz 1990}, series = {Elektrizit{\"a}tswirtschaft}, volume = {Jg. 88}, journal = {Elektrizit{\"a}tswirtschaft}, number = {H. 2}, issn = {0947-0581 (E-Journal); 0340-7918 (Print)}, pages = {120 -- 121}, year = {1989}, language = {de} } @article{Alt1989, author = {Alt, Helmut}, title = {Zinsberechnung nach dem Sparbuch-Modell}, series = {Frankfurter Zeitung : Blick durch die Wirtschaft : Zeitung f{\"u}r Finanzen, Steuern, Recht und Management}, journal = {Frankfurter Zeitung : Blick durch die Wirtschaft : Zeitung f{\"u}r Finanzen, Steuern, Recht und Management}, pages = {vom 22.3.1989}, year = {1989}, language = {de} } @article{Alt1989, author = {Alt, Helmut}, title = {Die Bedeutung des Effektivzinses in der Finanzwirtschaft}, series = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater}, journal = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater}, issn = {0340-7926}, pages = {31 -- 32}, year = {1989}, language = {de} } @article{Alt1989, author = {Alt, Helmut}, title = {Einfluß der Kontof{\"u}hrungsmodelle auf den Effektivzins und die Restschuld bei Annuit{\"a}tendarlehen}, series = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater}, journal = {Betriebs-Berater : BB : Beil. 14 Finanz-Berater}, issn = {0340-7926}, pages = {32 -- 37}, year = {1989}, language = {de} } @phdthesis{Rosenkranz1989, author = {Rosenkranz, Josef}, title = {Die Gleitlagergeh{\"a}usesteifigkeit als modaler Parameter f{\"u}r Rotorsysteme}, address = {Aachen}, pages = {VI, 145 S. : Ill., zahlr. graph. Darst.}, year = {1989}, language = {de} } @techreport{Rosenkranz1989, author = {Rosenkranz, Josef}, title = {Ber{\"u}cksichtigung des Einflusses von Gleitlagergeh{\"a}usen auf das dynamische Verhalten von Rotoren : Abschlußbericht : Forschungsvorhaben Nr. 128 "Gleitlagergeh{\"a}usesteifigkeit" ; Berichtszeitraum 1985-1988. - (Forschungsheft / Forschungsvereinigung Antriebstechnik e.V. ; 303)}, publisher = {FVA}, address = {Frankfurt am Main}, pages = {70 S : Ill., graph. Darst}, year = {1989}, language = {de} } @inproceedings{Baumann1989, author = {Baumann, Marcus}, title = {Primary production and phytoplankton growth in the marginal ice zone of the Fram Strait and the interpretation of the field data with autecological experiments (Abstract)}, series = {Oceanography and biology of Arctic seas : selected papers from the ICES Symposium on Marine Sciences of the Arctic and Subarctic Regions, held in Santander, 28 - 30 September 1987. (Rapports et proc{\`e}s-verbaux des r{\´e}unions / Conseil International pour l'Exploration de la Mer ; 188)}, booktitle = {Oceanography and biology of Arctic seas : selected papers from the ICES Symposium on Marine Sciences of the Arctic and Subarctic Regions, held in Santander, 28 - 30 September 1987. (Rapports et proc{\`e}s-verbaux des r{\´e}unions / Conseil International pour l'Exploration de la Mer ; 188)}, editor = {Hempel, G.}, publisher = {International Council for the Exploration of the Sea}, address = {Copenhagen}, organization = {Symposium on Marine Sciences of the Arctic and Subarctic Regions <1987, Santander>}, pages = {128}, year = {1989}, language = {en} } @inproceedings{StaatBallmann1989, author = {Staat, Manfred and Ballmann, J.}, title = {Fundamental aspects of numerical methods for the propagation of multi-dimensional nonlinear waves in solids}, series = {Nonlinear hyperbolic equations : theory, computations methods, and applications ; proceedings of the 2nd International Conference on Nonlinear Hyperbolic Problems, Aachen}, booktitle = {Nonlinear hyperbolic equations : theory, computations methods, and applications ; proceedings of the 2nd International Conference on Nonlinear Hyperbolic Problems, Aachen}, pages = {574 -- 588}, year = {1989}, abstract = {The nonlinear scalar constitutive equations of gases lead to a change in sound speed from point to point as would be found in linear inhomogeneous (and time dependent) media. The nonlinear tensor constitutive equations of solids introduce the additional local effect of solution dependent anisotropy. The speed of a wave passing through a point changes with propagation direction and its rays are inclined to the front. It is an open question whether the widely used operator splitting techniques achieve a dimensional splitting with physically reasonable results for these multi-dimensional problems. May be this is the main reason why the theoretical and numerical investigations of multi-dimensional wave propagation in nonlinear solids are so far behind gas dynamics. We hope to promote the subject a little by a discussion of some fundamental aspects of the solution of the equations of nonlinear elastodynamics. We use methods of characteristics because they only integrate mathematically exact equations which have a direct physical interpretation.}, subject = {Nichtlineare Welle}, language = {en} }