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Record Nr. |
UNINA9910557900103321 |
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Autore |
Kormas Konstantinos Ar |
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Titolo |
Advancing Knowledge on Cyanobacterial Blooms in Freshwaters |
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Pubbl/distr/stampa |
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Basel, Switzerland, : MDPI - Multidisciplinary Digital Publishing Institute, 2020 |
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Descrizione fisica |
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1 electronic resource (202 p.) |
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Soggetti |
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Research & information: general |
Biology, life sciences |
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Lingua di pubblicazione |
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Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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Cyanobacterial blooms are a water quality problem that is widely acknowledged to have detrimental ecological and economic effects in drinking and recreational water supplies and fisheries. There is increasing evidence that cyanobacterial blooms have increased globally and are likely to expand in water resources as a result of climate change. Of most concern are cyanotoxins, along with the mechanisms that induce their release and determine their fate in the aquatic environment. These secondary metabolites pose a potential hazard to human health and agricultural and aquaculture products that are intended for animal and human consumption; therefore, strict and reliable control of cyanotoxins is crucial for assessing risk. In this direction, a deeper understanding of the mechanisms that determine cyanobacterial bloom structure and toxin production has become the target of management practices. This Special Issue, entitled “Advancing Knowledge on Cyanobacterial Blooms in Freshwaters”, aims to bring together recent multi- and interdisciplinary research, from the field to the laboratory and back again, driven by working hypotheses based on any aspect of mitigating cyanobacterial blooms, from ecological theory to applied research. |
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2. |
Record Nr. |
UNINA9910795606803321 |
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Autore |
Engineers American Society of Civil |
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Titolo |
Automated People Mover Standards (ANSI/ASCE/T&DI 21-21) |
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Pubbl/distr/stampa |
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Reston : , : American Society of Civil Engineers, , 2021 |
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©2021 |
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ISBN |
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Descrizione fisica |
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1 online resource (115 pages) |
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Collana |
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Standards ; ; v.ANSI/ASCE/T&DI 21-21 |
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Disciplina |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Chapter 1 General; Chapter 2 Operating Environment; Chapter 3 Safety Requirements; Chapter 4 System Dependability; Chapter 5 Automatic Train Control; Chapter 6 Audio and Visual Communications; Chapter 7 Vehicles; Chapter 8 Propulsion and Braking; Chapter 9 Electrical Equipment; Chapter 10 Stations; Chapter 11 Guideways; Chapter 12 Security; Chapter 13 Emergency Preparedness; Chapter 14 System Verification and Demonstration; Chapter 15 Operations, Maintenance, and Training; Chapter 16 Operational Monitoring; Appendix A System Safety Program Requirements; Appendix B Bibliography; Appendix C Recommended Practice for Acceptance of an APM System Application; Appendix D Inspection and Test Guidelines; Appendix E Recommended Practice for Working Safely Near APM Systems; Appendix F Recommended Practice for Accommodating Luggage Carts in APM Systems; Appendix G Recommended Practice for Measuring Service Availability; Appendix H Independent Safety Assessment Recommended Practice; Appendix I Commentary on Emergency Egress Provisions. |
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Prepared by the Automated People Mover Standards Committee of the Standards Council of the Transportation and Development Institute of ASCE Automated People Mover Standards, ANSI/ASCE/T&DI 21-21, establishes the minimum requirements necessary to achieve an acceptable level of safety and performance for an automated people mover (APM) system. An APM is defined as a guided transit mode that is fully automated, featuring vehicles that operate on guideways with |
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exclusive right-of-way. This standard covers design, construction, operation, and maintenance of APM systems. Topics include requirements for an APM in passenger operation, including chapters on security; system verification and demonstration; operation, maintenance, and training; and operational monitoring. One mandatory appendix covers requirements for system safety programs. Nonmandatory appendixes include a bibliography; recommended practice for acceptance of an APM system application; inspection and test guidelines; recommended practice for working safely near APM systems; and commentary on emergency egress provisions.This revision includes substantive changes and additions of mandatory requirements in a number of chapters. These include new requirements that address separation assurance for Automated Transit Networks (ATNs), revised requirements for the structural design of APM specific guideways, revised requirements for the application of safety provisions, and four new appendixes. This standard may be used in a safety certification process. It will be helpful to anyone who owns, operates, maintains, designs, tests, insures, oversees, or certifies APMs. It will also be valuable to transportation engineers, safety engineers, and contractors for APM systems or other innovative technology transit systems. |
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