@article{BauerKuehnGajovicetal.1999, author = {Bauer, Christian G. and K{\"u}hn, A. and Gajovic, Nenad and Skorobogatko, O. V. and Holt, P. J. and Bruce, N. C. and Makower, Alexander and Lowe, Ch. R. and Scheller, Frieder W.}, title = {New enzymen sensors for morphine and codeine based on morphine dehydrogenase and laccase}, year = {1999}, language = {en} } @article{BauerGogoneaBauerGerhard1999, author = {Bauer-Gogonea, Simona and Bauer, Siegfried and Gerhard, Reimund}, title = {Monomorphs, bimorphs and multimorphs from polar polymer electrets}, year = {1999}, language = {en} } @article{BauerGogoneaGerhard1999, author = {Bauer-Gogonea, Simona and Gerhard, Reimund}, title = {Nonlinear optical polymer electrets}, year = {1999}, language = {en} } @article{Bauman1999, author = {Bauman, Zygmunt}, title = {Local Orders, Global Chaos}, series = {Geographische Revue : Zeitschrift f{\"u}r Literatur und Diskussion}, volume = {1}, journal = {Geographische Revue : Zeitschrift f{\"u}r Literatur und Diskussion}, number = {1}, issn = {1438-3039}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-23782}, pages = {64 -- 72}, year = {1999}, language = {en} } @book{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {Cuntz algebras and superselection structures in Quantum Field Theory}, series = {LQP Papers / Local Quantum Physics Crossroads}, journal = {LQP Papers / Local Quantum Physics Crossroads}, publisher = {Univ.}, address = {G{\"o}ttingen}, year = {1999}, language = {en} } @article{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {On a theorem of Ashtekar and Lewandowski}, isbn = {981-023627-1}, year = {1999}, language = {en} } @article{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {An inverse problem for superselection structures on C*-algebras with nontrivial center}, year = {1999}, language = {en} } @book{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {Actions of finite abelian groups on abelian C*-algebras Z: Second cohomology and description by C*-extensions F ) Z}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {383}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, year = {1999}, language = {en} } @book{Baumgaertel1999, author = {Baumg{\"a}rtel, Hellmut}, title = {Group actions on C*-algebras and their description by Hilbert C*-extensions}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {385}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, address = {Berlin}, year = {1999}, language = {en} } @book{BaumgaertelJurkeLledo1999, author = {Baumg{\"a}rtel, Hellmut and Jurke, Matthias and Lled{\´o}, Fernando}, title = {Twisted duality for the CAR-algebra}, series = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, volume = {401}, journal = {Preprint / SFB 288, Differentialgeometrie und Quantenphysik}, publisher = {Techn. Univ.}, address = {Berlin}, year = {1999}, language = {en} } @article{BaxaSteinbacherWeintraubetal.1999, author = {Baxa, Ulrich and Steinbacher, Stefan and Weintraub, Andrej and Huber, Robert and Seckler, Robert}, title = {Mutations improving the folding of phage P22 tailspike protein affect its receptor binfing activity}, year = {1999}, language = {en} } @article{BazylevZakariadzeZhelyazkovaPanayotovaetal.1999, author = {Bazylev, B. A. and Zakariadze, G. S. and Zhelyazkova-Panayotova, M. D. and Kolcheva, K. and Oberh{\"a}nsli, Roland and Solov'eva, N. V.}, title = {Petrology of ultramafic rocks from the ophiolithe association in the crystalline basement of the Rhodope massif}, year = {1999}, language = {en} } @article{BechtholdTierschKoetzetal.1999, author = {Bechthold, Nina and Tiersch, Brigitte and Koetz, Joachim and Friberg, Stig E.}, title = {Structure Formation in polymer-modified liquid crystals}, year = {1999}, language = {en} } @book{BednarskiKurowski1999, author = {Bednarski, Marek and Kurowski, Piotr}, title = {Industrial policy and social strategy at the corporate level in Poland : questionnaire results}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-48873}, publisher = {Universit{\"a}t Potsdam}, year = {1999}, abstract = {This paper presents results from a survey of industrial policy of the state and the social security system at the corporate level in Poland. Previous reports in this area indicated preferable directions of research to be taken in order to prove various hypotheses of the purposefulness of an integral approach to industrial policy and social security in the analysis of economic processes in transition (see Weikard 1997). This paper summarises the results and draws conclusions from a questionnaire study on subsidies, social benefits and economic policy in Polish firms during the process of transformation. Our results and conclusions show the scope and character of the processes in the area of industrial and social policy in the period 1994 to 1997. The paper is divided into five parts. The first part concerns the aims and methodology of the questionnaire; it also gives a brief description of the sample. The second part shows how enterprises dealt with the issues of employment and wages in this period. The third part characterises industrial policy at the corporate level, while the next presents results from the survey of various social schemes pursued. The final part aims at an integral approach in the analysis of various processes taking place in Polish enterprises. The survey was conducted in the period April to June 1998. Its aim was to observe certain phenomena occurring at the corporate level. The questionnaire was distributed among the managers, directors and presidents of large-size enterprises, which had been selected to satisfy the following three criteria. Firstly, the number of employees had to be considerable (over 300 workers). This criterion was applied following the consideration that certain social phenomena are more conspicuous in enterprises with large manpower. Secondly, only operating enterprises were selected, the enterprises which closed down were disregarded. Finally, for the purposes of the survey the units differed as regards their legal situation and form of ownership. Out of over 1800 enterprises 370 units were drawn where we sent the questionnaire. Unfortunately, as many as 51.9\% of the respondents refused co-operation, questions to a certain extent puts the representativeness of the sample in question. Finally, 178 questionnaires were subsequently completed and returned for analysis. However, not all of these questionnaires included full answers to all of the 75 questions; therefore, while discussing the results of the survey we have indicated the number of relevant answers we have received.}, language = {en} } @article{BeigeHegerfeldt1999, author = {Beige, Almut and Hegerfeldt, G. C.}, title = {Cooperative effects in the light and dark periods of two dipole-interacting atoms}, year = {1999}, abstract = {If an atom is able to exhibit macroscopic dark periods, or electron shelving, then a driven system of tow atoms has three types of these fluorescence types as a simple and easily accessible indivator of cooperative effects. As an examble, we study two dipole-interacting V systems by simulation techniques. We show that the durations of the two types of light periods exhibit marked sepatation-dependent oscillations and that they vary in phase with the real part of the dipole-dipole coupling constant.}, language = {en} } @article{BeitzBechmannMitzner1999, author = {Beitz, Toralf and Bechmann, Wolfgang and Mitzner, Rolf}, title = {Investigation on the photoreactions of Nitrate and Nitrite ions with selected Azaarenes in water}, year = {1999}, language = {en} } @article{BeitzKoetzFriberg1999, author = {Beitz, Toralf and Koetz, Joachim and Friberg, Stig E.}, title = {Polymer-modified ionic microemulsion formed in the system SDS/Water/Xylene/Pentanol}, year = {1999}, language = {en} } @article{BellLaybournParry1999, author = {Bell, Elanor M. and Laybourn-Parry, J.}, title = {The plankton community of a young, eutrophic, Antarctic saline lake}, year = {1999}, abstract = {A shallow, saline lake (Rookery Lake) close to the sea and surrounded by a penguin rookery was investigated during the austral spring and summer of 1996/1997. The proximity to the sea means that the lake is likely to have been formed recently during isostatic uplift. Inputs of carbon and nutrients from the penguin rookery have rendered Rookery Lake eutrophic compared with other brackish and saline lakes in the Vestfold Hills. Chlorophyll a concentration, bacterioplankton, heterotrophic nanoflagellate and phototrophic nanoflagellate abundances were all significantly higher than in other non-enriched lakes. The high productivity created seasonal anoxia during winter and spring below ice cover. The ciliate community resembled the marine community, and was dissimilar to that seen in older saline lakes within the Vestfold Hills. Thus Rockery Lake provides valuable evidence of the impact of natural eutrophication on an Antarctic lake, as well as of the evolution of the typical microbial community which dominates the older lakes of the Vestfold Hills.}, language = {en} } @article{BellLaybournParry1999, author = {Bell, Elanor M. and Laybourn-Parry, J.}, title = {Annual plankton dynamics in an Antarctic saline lake}, year = {1999}, abstract = {1. The plankton dynamics of Ace Lake, a saline, meromictic basin in the Vestfold Hills, eastern Antarctica was studied between December 1995 and February 1997. 2. The lake supported two distinct plankton communities; an aerobic microbial community in the upper oxygenated mixolimnion and an anaerobic microbial community in the lower anoxic monimolimnion. 3. Phytoplankton development was limited by nitrogen availability. Soluble reactive phosphorus was never limiting. Chlorophyll a concentrations in the mixolimnion ranged between 0.3 and 4.4 mu g L-1 during the study period and a deep chlorophyll maximum persisted throughout the year below the chemo/oxycline. 4. Bacterioplankton abundance showed considerable seasonal variation related to light and substrate availability. Autotrophic bacterial abundance ranged between 0.02 and 8.94 x 10(8) L-1 and heterotrophic bacterial abundance between 1.26 and 72.8 x 10(8) L-1 throughout the water column. 5. The mixolimnion phytoplankton was dominated by phytoflagellates, in particular Pyramimonas gelidicola. P. gelidicola remained active for most of the year by virtue of its mixotrophic behaviour. Photosynthetic dinoflagellates occurred during the austral summer, but the entire population encysted for the winter. 6. Two communities of heterotrophic flagellates were apparent; a community living in the upper monimolimnion and a community living in the aerobic mixolimnion. Both exhibited different seasonal dynamics. 7. The ciliate community was dominated by the autotroph Mesodinium rubrum. The abundance of M. rubrum peaked in summer. A proportion of the population encysted during winter. Only one other ciliate, Euplotes sp., occurred regularly. 8. Two species of Metazoa occurred in the mixolimnion; a calanoid copepod (Paralabidocera antarctica) and a rotifer (Notholca sp.). However, there was no evidence of grazing pressure on the microbial community. In common with most other Antarctic lakes, Ace Lake appears to be driven by 'bottom-up' forces.}, language = {en} } @article{BenassiBregullaHenningetal.1999, author = {Benassi, Rois and Bregulla, Antje and Henning, Dietrich and Heydenreich, Matthias and Kempter, Gerhard and Kleinpeter, Erich and Taddei, F.}, title = {NMR-spectroscopic and theoretical structural analysis of 5-benzyl subtituted hydantoins in solutions}, year = {1999}, language = {en} }