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  • 1
    Online-Ressource
    Online-Ressource
    Singapore :Springer Nature Singapore :
    Schlagwort(e): Geotechnical engineering. ; Natural disasters. ; Engineering geology. ; Geotechnical Engineering and Applied Earth Sciences. ; Natural Hazards. ; Geoengineering.
    Beschreibung / Inhaltsverzeichnis: Introduction -- Part I Experimental Studies on Compression-Shear Failure Mechanism of Rock Mass -- Joint Surface Morphology and Shear Behavior -- Influence of Flaw Inclination on Shear Fracturing and Fractal Behavior -- Influence of Flaw Density on Shear Fracturing and Fractal Behavior -- Part II Failure Mechanism and Stability Analysis of Heavily Fractured Rock Slope -- Method for Determining Strength Parameters of Heavily Fractured Rock Mass -- Kinematical Element Method -- Integrated Karst Cave Stochastic Model-Limit Equilibrium Method -- Strain-Softening Behavior and Strength Reduction Method -- Three-dimensional Effects -- Part III Failure Mechanism and Stability Analysis of Rock Slope Controlled by Major Geological Discontinuities -- Joint Element and Displacement Discontinuity Method -- Discontinuity Kinematical Element Method -- Joint Element and Strength Reduction Method -- Fracture Mechanics Method.
    Kurzfassung: This book presents in-depth coverage of laboratory experiments, theories, modeling techniques, and practices for the analysis and design of rock slopes in complex geological settings. It addresses new concepts in connection with the kinematical element method, discontinuity kinematical element method, integrated karst cave stochastic model-limit equilibrium method, improved strength reduction method, and fracture mechanics method, taking into account the relevant geological features. The book is chiefly intended as a reference guide for geotechnical engineering and engineering geology professionals, and as a textbook for related graduate courses. .
    Materialart: Online-Ressource
    Seiten: XXVI, 248 p. 203 illus., 96 illus. in color. , online resource.
    Ausgabe: 1st ed. 2020.
    ISBN: 9789811557439
    DDC: 624.151
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Online-Ressource
    Online-Ressource
    Singapore :Springer Nature Singapore :
    Schlagwort(e): Environmental Law. ; Environmental Law.
    Beschreibung / Inhaltsverzeichnis: 1. Environmental Issues and Protection -- 2. Overview of Environmental Law -- 3. The Primary Regimes of Environmental Law -- 4. Environmental Torts and Environmental Civil Liability -- 5. Overview of the Environmental Pollution Prevention and Control Law -- 6. Air Pollution Prevention and Control Act -- 7. Water Pollution Prevention and Control Law -- 8. Soil Pollution Prevention and Control Law -- 9. Marine Environmental Protection Act -- 10. Environmental Noise Pollution Prevention and Control Law -- 11. Law on the Prevention and Control of Pollution by Toxic and Hazardous Substances -- 12. Natural Resources Protection Act.
    Kurzfassung: This book mainly focuses on environmental and resource law under Chinese law, involving secondary disciplines such as international law, civil law, administrative law and criminal law, as well as issues related to other first-class disciplines such as environmental science and ecology. The contents include general theory of environmental law (basic theory), prevention and control of environmental pollution, natural resources protection law and international environmental law. It basically covers all fields of China's environmental law and is a handy reference for those seeking to understand it. Ke Zhou has been teaching at the Law School of Chinese Renmin University for a long time, has successively served as the deputy director of the Department of Economic Law and the director of the Department of Environmental Resources Law and has rich experience in teaching and scientific research. Luozhi Yi is a native of Wangcheng, Hunan. He is a D. in Law, a Master's degree supervisor, Associate Professor at Hunan University Law School. Specialties: Environmental and Resource Protection, Contract, and Economic Law. Xinxin Su, male, from Handan, Hebei. D. in Law, Professor of the Law School of Zhejiang Gongshang University. Specialties: Jurisprudence, Environmental, and Resource Protection Law. He earned the China Law Youth Forum Award. Yochai Sun, male, is a native of Rongcheng, Shandong. D. in Management. He was the deputy director of the Research Office of the Supreme People's Court and a first-class senior judge. He is currently a professor of law and the Dean of the Law School of Tianjin University, a member of the National Advisory Committee on the Environment, the Vice President of the China Environmental Resources Law Research Association, and the Executive Director of the Chinese Society for Environmental Science.
    Materialart: Online-Ressource
    Seiten: XIII, 299 p. 2 illus., 1 illus. in color. , online resource.
    Ausgabe: 1st ed. 2023.
    ISBN: 9789819944484
    DDC: 344.046
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Schlagwort(e): Earth sciences. ; Evolution (Biology). ; Earth Sciences. ; Evolutionary Biology.
    Beschreibung / Inhaltsverzeichnis: 1 Introduction -- 2 Palaeogeographical settings of South China in the Changhsingian to Induan and palaeogeographic distribution of the studied Permian Triassic Boundary sections -- 3 Description of the studied Permian Triassic Boundary sections of South China -- 4 Age analysis and correlation -- 5 Temporal and spatial processes and dynamics of the Permian Triassic Boundary mass extinction (PTBME) in South China.
    Kurzfassung: This book timely provides high-quality records of 32 PTB sections across different depositional settings from terrestrial to marine facies in South China, including descriptions of lithologies, high-resolution correlation of key boundaries and fossil occurrences at each section. This book also analyzes the patterns and processes of the community and ecosystem evolution over space and through time in the lead to the end-Permian mass extinction, and critically analyzes the mostly debated hypothesis, anoxia and volcanism, which were considered as the causes of mass extinction, based on the data from the studied sections of South China, together with materials from other regions of the world.
    Materialart: Online-Ressource
    Seiten: XII, 287 p. 98 illus., 66 illus. in color. , online resource.
    Ausgabe: 1st ed. 2023.
    ISBN: 9789819993505
    Serie: New Records of the Great Dying in South China,
    DDC: 550
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Signatur: AWI Bio-22-94767
    Materialart: Dissertationen
    Seiten: XVIII, 165 Seiten , Illustrationen, Diagramme
    Sprache: Englisch
    Anmerkung: Dissertation, Universität Potsdam, 2021 , Table of Contents Acknowledgements Abstract Zusammenfassung List of figure List of tables List of abbreviation Chapter 1 1. Introduction 1.1 Research background 1.1.1 Response of mountain plant diversity to climate change 1.1.2 Response of Arctic vegetation composition and diversity to climate change 1.1.3 Understanding the critical mechanisms of community assembly are essential for sustaining ecosystem services 1.1.4 Pollen analysis as a traditional tool for representing palaeovegetation 1.1.5. Sedimentary ancient DNA (sedaDNA) is a useful tool for Quaternary ecology tracking 1.2 Study area 1.3 Aims and objectives 1.4 Structure of the thesis 1.4.1 Overview of the chapter 1.4.2 Author's contributions 1.4.3 Methods Chapter 2 2 Manuscript 1: Sedimentary ancient DNA reveals warming-induced alpine habitat loss threat to Tibetan Plateau plant diversity 2.1 Abstract 2.2 Introduction 2.3 Results and discussion 2.4 Methods 2.5 Acknowledgements · Chapter 3 3 Manuscript 2: Holocene vegetation and plant diversity changes in the north-eastern Siberian treeline region from pollen and sedimentary ancient DNA 3.1 Abstract 3.2 Introduction 3.3 Materials and methods 3.3.1 Study area 3.3.2 Lake sediment cores and subsampling 3.3.3 Dating 3.3.4 Pollen analysis 3.3.5 DNA extraction and amplification 3.3.6 Sequencing filtering and taxonomic assignment 3.3.7 Statistical analyses 3.4 Results 3.4.1 Chronology 3.4.2 SedaDNA and pollen assemblages 3.4.3 Gradient analysis and correlation analysis 3.5 Discussion 3 .5.1 Contributions of pollen and sedaDNA to vegetation reconstruction and taxon richness 3.5.2 Variation in Holocene vegetation composition in the Omoloy area, north-eastern Siberia 3.5.3 SedaDNA-based plant diversity changes within lake catchments of the Omoloy region 3.6 Conclusions 3.7 Acknowledgements Chapter 4 4 Manuscript 3: Vegetation reconstruction from Siberia and Tibetan Plateau using modern analogue technique - comparing sedimentary ancient DNA (sedaDNA) and pollen data 4.1 Abstract 4.2 Introduction 4.3 Materials and methods 4.3.1 Sites ofthe modern analogues 4.3.2 Sedimentary (ancient) DNA collection 4.3.3 Metabarcoding data processing and filtering 4.3.4 Pollen data collection 4.3.5 Numerical analysis 4.4 Results 4.4.1 Modern training-set, ROC curve analyses and AT results 4.4.2 Modern analogues for Lake Naleng and Omoloy lake II 4.4.3 Vegetation type reconstruction based on MAT 4.4.4 Projecting fossil samples in ordination space of modern assemblages 4.4.5 Comparing past and present intertaxa relationships 4.5 Discussion 4.5.1 Assessment of analogue quality using modem training-sets 4·5·2 Comparison of sed(a)DNA-based and pollen-based vegetation reconstruction for the Lake Naleng, Tibetan Plateau 4.5.3 Comparison of sedDNA based and pollen-based vegetation reconstruction for the Lake Omoloy, northern Siberia 4.6 Conclusions 4.7 Acknowledgements Chapter 5 5 Manuscript 4: Terrestrial-aquatic ecosystem links on the Tibetan Plateau inferred from sedaDNA shotgun sequencin 5.1 Abstract 5.2 Introduction 5.3 Results 5.4 Discussions 5.5 Methods 5.6 Acknowledgments Chapter 6 6 Synthesis 6.1 The ability of metabarcoding and metagenomic shotgun sequencing to reveal ecological community pattern 6.2 Driver of plant diversity change in high altitude and high latitudes 6.3 High-altitude and high-latitude vegetation type change 6.4 Past terrestrial and aquatic ecological change at ecosystem-scale 6.5 Conclusions and outlook Appendix 1 Appendix-1 Materials for Manuscript #1 1.1 Appendix discussion: Contamination in NTC6 2. Appendix-2 Materials for Manuscript #2 3. Appendix-3 Materials for Manuscript #3 4. Appendix-4 Materials for Manuscript #4 References Eidesstattliche Erklarung
    Standort: AWI Lesesaal
    Zweigbibliothek: AWI Bibliothek
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  • 5
    Monographie ausleihbar
    Monographie ausleihbar
    Cheltenham : Edward Elgar
    Signatur: PIK N 531-16-90166
    Materialart: Monographie ausleihbar
    Seiten: XII, 263 Seiten , Illustrationen , 25 cm
    ISBN: 9781782548027 , 1782548025 , 9781782548034 , 1782548033
    Sprache: Englisch
    Anmerkung: Contents: PART I GENERAL ANALYSIS 1. Conceptual Framework and Analytical Methods ; 2. Global Urban Sustainable Competitiveness Index ; 3. Global Urban Sustainable Competitiveness: A Comprehensive Analysis ; 4. Global Urban Sustainable Competitiveness: A Regional Analysis ; 5. Global Urban Sustainable Competitiveness and Urban GDP Per Capita ; 6. Global Urban Sustainable Competitiveness and Urban Population Size ; 7. Global Urban Sustainable Competitiveness: Characteristics of Functional Centers ; PART II SPECIALIZED ANALYSIS ; 8. The Specialized Differences: One Key Vector in Urban Competitiveness ; 9. Social and Technological Innovations in the Competitiveness of Cities ; 10. Green Cities: Examples of Governing for Green Growth from OECD Countries ; 11. Institutions and Urban Competitiveness – a Doing Business Perspective ; 12. The Challenge of World City Network Pattern Changes on the World City Network Analysis ; 13. Population Aging and Urban Competitiveness ; 14. Driving Factors of Urban Prosperity: An Empirical Analysis of Global Cities ; 15. Patterns of the Global Cities: Present and Future ; PART III INDEX REPORT ; 16. The State of Sustainable Competitiveness of 500 Cities
    Standort: A 18 - Bitte bestellen
    Zweigbibliothek: PIK Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Signatur: AWI Bio-18-91599-26
    In: Flora Reipublicae Popularis Sinicae, Tomus 26
    Materialart: Monographie ausleihbar
    Seiten: 506 Seiten , Illustrationen
    ISBN: 7030048873
    Sprache: Chinesisch
    Anmerkung: Table of Contents: NYCTAGINACEAE. - 1. Pisonia L. - 1. P. aculeata L.. - 2. Ceodes J. et G. Forst. - 1. C. grandis (R. Br.) D. Q. Lu. - 2. C. umbellifera J. et G. Forst. - 3. Bougainvillea Comm. ex Juss. - 1. B. glabra Choisy. - 2. spectabilis Willd. - 4. Mirabilis L. - 1. M. jalapa L. - 5. Oxybaphus L' Her. ex Willd. - 1. O. himalaicus Edgew. - 6. Boerhavia L. - 1. B. diffusa L. - 2. B. erecta L.. - 3. B. crispa Heyne. - 7. Commicarpus Standl. - 1. C. chinensis (L. ) Heim. - 2. C. lantsangensis D. Q. Lu. - PHYTOLACCACEAE. - 1. Phytolacca L. - 1. Ph. acinosa Roxb. - 2. Ph. polyandra Batalin. - 3. Ph. japonica Makino. - 4. Ph. americana L. - 2. Rivina L. - 1. R. humilis L. - AIZOACEAE. - 1. Gisekia L. - 1. G. pharnaceoides L. - 2. Glinus L. - 1. Gl. lotoides L. - 2. Gl. oppositifolius (L.) A. DC. - 3. Mollugo L. - 1. M. nudicaulis Lam. - 2. M. cerviana (L.) Ser. - 3. M. stricta L. - 4. M. verticillata L. - 4. Sesuvium L. - 1. S. portulacastrum (L.) L. - 5. Trianthema L. - 1. Tr. portulacastrum L. - 6. Mesembryanthemum L. - 1. M. cordifolium L. f. - 2. M. crystallinum L. - 3. M. uncatum Salm-Dyck. - 4. M. edule L.. - 5. M. spectabile Haw. - 7. Tetragonia L. - 1. T . tetragonioides (Pall. ) Kuntze. - PORTULACACEAE. - 1. Portulaca L. - 1. P. oleracea L. - 2. P. pilosa L. - 3. P. grandiflora Hook - 4. P. quadrifida L. - 5. P. psammotropha Hance. - 6. P. insularis Hosokawa. - 2. Talinum Adans. - 1. T. paniculatum (Jacq.) Gaertn. - BASELLACEAE. - 1. Basella L. - 1. B. alba L. - 2. Anredera Juss. - 1. A. scandens (L.) Moq. - 2. A. cordifolia (Tenore) Steenis. - CARYOPHYLLACEAE. - I. Subfam. PARONYCHIOIDEAE Vierh. - 1. Trib. PARONYCHIEAE Pax. - 1. Gymnocarpos Forssk. - 1. G. przewalskii Maxim. - 2. Herniaria L. - 1. H. glabra L. - 2. H. polygama J. Gay. - 3. H. caucasica Rupr. - 2. Trib. SPERGULEAE Vierh. - 3. Spergula L. - 1. Sp. arvensis L. - 4. Spergularia (Pers.) J. et C. Presl. - 1. Sp. rubra (L.) J. et C. Presl. - 2. Sp. diandra (Guss.) Heldr. et Sart. - 3. Sp. media (L.) C. Presl. - 4. Sp. salina J. et C. Presl. - 3. Trib. POLYCARPEAE Pax. - 5. Drymaria Willd. ex Roem. et Schult. - 1. Dr. villosa Cham. et Schlecht. - 2. Dr. diandra Bl. - 6. Polycarpon Loefl. ex L. - 1. P. prostratum (Forssk.) Aschers. et Schweinw. - 7. Polycarpaea Lam. - 1. P. corymbosa (L.) Lam. - 2. P. gaudichaudii Gagnep. - ll. Subfam. ALSINOIDEAE Vierh. - 1. Subtrib. STELLARIINAE Aschers. et Graebn. - 8. Pseudostellaria Pax. - 1. Ps. sylvatica (Maxim.) Pax. - 2. Ps. heterophylla (Miq.) Pax. - 3. Ps. japonica (Korsh.) Pax. - 4. Ps. davidii (Franch.) Pax. - 5. Ps. rupestris (Turcz.) Pax. - 6. Ps. heterantha (Maxim.) Pax. - 7. Ps. himalaica (Franch.) Pax. - 8. Ps. maximowicziana (Franch. et Sav.) Pax. - 9. Myosoton Moench. - 1. M. aquaticum (L.) Moench. - 10. Cerastium L. - 1. C. cerastoides (L.) Britt. - 2. C. pauciflorum Stev. ex Ser. - 3. C. falcatum Bge. - 4. C. maximum L. - 5. C. lithospermifolium Fisch. - 6. C. dahuricum Fisch. - 7. C. perfoliaturn L. - 8. C. glomeratum Thuill. - 9. C. furcatum Cham. et Schlecht. - 10. C. fontanum Baumg. - 11. C. tianschanicum Schischk. - 12. C. limprichtii Pax et Hoffm. - 13. C. szechuense Williams. - 14. C. wilsonii Takeda. - 15. C. pusillum Ser. - 16. C. baischanense Y. C. Chu. - 17. C. arvense L. - 18. C. subpilosum Hayata. - 11. Stellaria L. - 1. Sect. Stellaria. - 1. Subsect. Stellaria. - 1. Ser. Petiolares Fenzl. - 1. St. bungeana Fenzl. - 2. St. nemorum L. - 3. St. nepalensis Majumdar et Vartak. - 4. St. arisanensis (Hayata) Hayata. - 5. St. wushanensis Williams. - 6. St. neglecta Weihe ex Bluff et Fingerh. - 7. St. media (L.) Cyr. - 8. St. apetala Ucria ex Roem. - 9. St. vestita Kurz. - 10. St. chinensis Regel. - 11. St. pilosa Franch. - 12. St. petiolaris Hand. -Mazz. - 13. St. lanipes C. Y. Wu et H. Chuang. - 2. Ser. Sessilifoliae Y. W. Tsui ex P. Ke. - 14. St. omeiensis C. Y. Wu et Y. W. Tsui ex P. Ke. - 15. St. reticulivena Hayata. - 16. St. infracta Maxim. - 17. St. gyirongensis L. H. Zhou. - 18. St. zangnanensis L. H. Zhou. - 19. St. tibetica Kurz. - 20. St. lanata Hook. f. ex Edgew. et Hook. f. - 21. St. patens D. Don. - 3. Ser. Dichotomae Roshev. - 22. St. dichotoma L. - 23. St. amblyosepala Schrenk. - 4. Ser. Holosteae Fenzl. - 24. St. henryi Williams. - 2. Subsect. Larbraea (St. Hil.) Fenzl. - 1. Ser. Foliaceo-bracteatae Schischk. - 25. St. ebracteata Korn. - 26. St. winkleri (Briq.) Schischk. - 27. St. crassifolia Ehrh. - 2. Ser. Discolares Schischk. - 28. St. discolor Turcz. - 29. St. gyangtseensis Williams. - 3. Ser. Uliginosae Schischk. - 30. St. pusilla E. Schmid. - 31. St. mainlingensis L. H. Zhou. - 32. St. depressa E. Schmid. - 33. St. uliginosa Murr. - 4. Ser. Gramineae Roshev. - 34. St. graminea L. - 35. St. brachypetala Bge. - 36. St. yunnanensis Franch. - 37. St. palustris Ehrh. ex Retz. - 38. St. salicifolia Y. W. Tsui ex P. Ke. - 39. St. dianthifolia Williams. - 40. St. longifolia Muehl. ex Willd. - 41. St. imbricata Bge. - 42. St. nipponica Ohwi. - 43. St. filicaulis Makino. - 5. Ser. Parviflorae Schischk. - 44. St. alaschanica Y. Z. Zhao. - 45. St. oxycoccoides Korn. - 46. St. uda Williams. - 47. St. souliei Williams. - 6. Ser. Pedunculares Schischk. - 48. St. soongorica Roshev. - 7. Ser. Umbellatae Schischk. - 49. St. irrigua Bge. - 50. St. parvi-umbellata Y. Z. Zhao. - 51. St. umbellata Turcz. - 52. St. suburnbellata Edgew.. - 2. Sect. Adenonerna (Bge.) Pax. - 53. St. arenaria Maxim.. - 54. St. cherleriae (Fisch. ex Ser.) Williams. - 55. St. petraea Bge. - 56. St. decumbens Edgew. - 57. St. congestiflora Hara. - 3. Sect. Fimbripetalurn Turcz. - 58. St. radians L. - 4. Sect. Leucostemma (Benth. ex G. Don f.) Pax. - 59. St. rnartjanovii Krylov. - 5. Sect. Schizothecium Fenzl. - 60. St. monosperma Buch. -Ham. ex D. Don. - 61. St. ovatifolia (Mizushima) Mizushima. - 62. St. delavayi Franch. - 6. Sect. Oligosperma Boiss. - 63. St. bistyla Y. Z. Zhao. - 64. St. strongylosepala Hand.-Mazz. - 12. Holosteum L. - 1. H. umbellatum L. - 13. Arenaria L. - 1. Subgen. Arenaria. - 1. Sect. Arenaria. - 1. A. serpyllifolia L. - 2. Sect. Rotundifoliae McNeill. - 2. A. orbiculata Royle ex. Edgew. et Hook f. - 3. A. neelgerrensis Wight et Arn. - 3. Sect. Rariflorae Williams. - 4. A. monosperma Williams. - 5. A. puranensis L. H. Zhou. - 4. Sect. Compressae McNeill. - 6. A. compressa McNeill. - 2. Subgen. Eremogone (Fenzl) Fenzl. - 1. Sect. Monogone Maxim. - 7. A. potaninii Schischk. - 2. Sect. Capillares McNeill. - 8. A. juncea M. Bieb. - 9. A. capillaris Poir. - 10. A. acicularis Williams ex Keissler. - 11. A. grüningiana Pax et Hoffm. - 12. A. formosa Fisch. ex Ser. - 13. A. haitzeshanensis Y. W. Tsui. - 3. Sect. Sclerophyllae (Boiss.) McNeill. - 14. A. griffithii Boiss. - 15. A. androsacea Grub. - 3. Subgen. Eremogoneastrum Williams. - 16. A. brevipetala Y. W. Tsui et L. H. Zhou. - 17. A. baxoiensis L. H. Zhou. - 18. A. kumaonensis Maxim. - 19. A. kansuensis Maxim. - 20. A. ischnophylla Williams. - 21. A. roborowskii Maxim. - 22. A. lancangensis L. H. Zhou. - 23. A. gerzeensis L. H. Zhou. - 24. A. qinghaiensis Y. W. Tsui et L. H. Zhou. - 25. A. aksayqingensis L. H. Zhou. - 26. A. pulvinata Edgew. - 27. A. shannanensis L. H. Zhou. - 28. A. edgeworthiana Majumdar. - 29. A. bryophylla Fernald. - 30. A. zadoiensis L. H. Zhou. - 31. A. taibaishanensis L. H. Zhou. - 32. A. festucoides Benth. - 4. Subgen. Dolophragma (Fenzl) McNeill. - 33. A. przewalskii Maxim. - 34. A. smithiana Mattf. - 35. A. oreophila Hook. f. ex Edgew. et Hook. f. - 36. A. densissima Wall. ex Edgew. et Hook. f. - 37. A. polytrichoides Edgew. ex. Edgew. et Hook f. - 5. Subgen. Solitaria McNeill. - 38. A. ciliolata Edgew. - 39. A. ramellata Williams. - 40. A. stracheyi Edgew. - 41. A. rhodantha Pax et Ho , Text in chinesischer Schrift , Überschriften in lateinischer Sprache
    Standort: AWI Lesesaal
    Zweigbibliothek: AWI Bibliothek
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  • 7
    Digitale Medien
    Digitale Medien
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 66 (1989), S. 4577-4580 
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: Depth profiles of Hg+, Hg2+, and Hg3+ implanted in polymer polyvinylalcohol at energies from 50 to 600 keV are measured by 2.1-MeV 4He2+ Rutherford backscattering. Based on Biersack's angular diffusion model, a computer program is written for comparison with the experimental values. The result shows that the measured projected range is in good agreement with the calculated value for first-order treatment. The experimentally determined range straggling is still higher than the calculated value after considering the second-order energy loss. The Monte Carlo simulation shows that the Hg profile is not described by an ionization or nuclear damage profile, but rather is described by a classical predicted implantation profile.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Amsterdam : Elsevier
    Nuclear Inst. and Methods in Physics Research, B 72 (1992), S. 51-54 
    ISSN: 0168-583X
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 246 (2005), S. 0 
    ISSN: 1574-6968
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: Deacetoxy/deacetylcephalosporin C synthase (acDAOC/DACS) from Acremonium chrysogenum is a bifunctional enzyme that catalyzes both the ring-expansion of penicillin N to deacetoxycephalosporin C (DAOC) and the hydroxylation of the latter to deacetylcephalosporin C (DAC). Three residues N305, R307 and R308 located in close proximity to the C-terminus of acDAOC/DACS were each mutated to leucine. The N305L and R308L mutant acDAOC/DACSs showed significant improvement in their ability to convert penicillin analogs. R308 was identified for the first time as a critical residue for DAOC/DACS activity. Kinetic analyses of purified R308L enzyme indicated its improved catalytic efficiency is due to combined improvements of Km and kcat. Comparative modeling of acDAOC/DACS supports the involvement of R308 in the formation of substrate-binding pocket.
    Materialart: Digitale Medien
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  • 10
    ISSN: 1013-9826
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Notizen: Effect of iteration times on mechanically-activated combustion synthesis of high α-contentSi3N4 powders was investigated. Properties of the as-synthesized powders such as α-content (Cα) as wellas specific surface area (As) were examined. Results showed that both of Cα and As became higher afteriteration reactions. The mechanical properties of the sintered bulk ceramics from as-synthesized powderswere also tested to reveal the sinterability of the powders. Results showed that relative density of all thesintered bulk ceramics were higher than 97%. Furthermore, fracture toughness had a trend of becominghigher, which reached a value of 10.2 MPam0.5. Correspondingly, bending strenth became a bit lower
    Materialart: Digitale Medien
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