Letteratura scientifica selezionata sul tema "Water safety"

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Articoli di riviste sul tema "Water safety"

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Omoruyi, Emma A. "Water Safety". Pediatrics in Review 40, n. 4 (aprile 2019): 205–6. http://dx.doi.org/10.1542/pir.2017-0240.

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Lassman, Janet. "Water safety". Journal of Emergency Nursing 28, n. 3 (giugno 2002): 241–43. http://dx.doi.org/10.1067/men.2002.122762.

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Reid, J. A. "Water safety". Journal of Public Health 8, n. 3 (agosto 1986): 254–55. http://dx.doi.org/10.1093/oxfordjournals.pubmed.a043866.

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Mitka, Mike. "Water Safety". JAMA 306, n. 10 (14 settembre 2011): 1073. http://dx.doi.org/10.1001/jama.2011.1252.

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Kim, Jin-Keun. "Introduction of Water Safety Plan in Korea". Journal of Korean Society of Water and Wastewater 26, n. 4 (15 agosto 2012): 535–45. http://dx.doi.org/10.11001/jksww.2012.26.4.535.

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Walker, D. "National Water Safety Forum - 'working together for water safety'". Injury Prevention 16, Supplement 1 (1 settembre 2010): A281. http://dx.doi.org/10.1136/ip.2010.029215.999.

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Fawcett, Paul. "Water Safety Education". Strategies 12, n. 1 (settembre 1998): 25–28. http://dx.doi.org/10.1080/08924562.1998.10591368.

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Mitka, Mike. "Bottled Water Safety". JAMA 302, n. 6 (12 agosto 2009): 619. http://dx.doi.org/10.1001/jama.2009.1125.

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Eslami, Akbar, Mohtasham Ghafari, Valiallah Sohbatloo e Farzane Fanaei. "Safety Assessment of Zanjan Drinking Water System Using Water Safety Plan". Journal of Human, Environment, and Health Promotion 2, n. 3 (1 giugno 2017): 138–46. http://dx.doi.org/10.29252/jhehp.2.3.138.

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Walker, Richard. "THE WATER SAFETY CONTINUUM". Water e-Journal 1, n. 1 (2016): 1–6. http://dx.doi.org/10.21139/wej.2016.008.

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Tesi sul tema "Water safety"

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Hylin, Frida Douglass. "Drinking Water Safety in African Countries". Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for produktutvikling og materialer, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18508.

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The following report is the result of a literature study of published documents presenting the current water supply situation in Sub-Saharan Africa, in combination with a field trip to the Mpagne village in Cameroon. The objective of the project has been to study and discuss the current theoretical approach on sustainable water supply, as well as to generate possible technical solutions and present administrative changes required. A thorough background analysis demonstrates the need for improvement on a local village level as well as on a regional, national and international level. Key findings are high failure rates as a consequence of the absence of evaluation of past projects, as well as the fact that many agencies do not work in line with existing policies and theoretically developed approaches to solve the problem. Further, there is a general need to cultivate local political will for long-term commitment and funding of the sector. Although some of the organizations engaged in the sector have started to realise that there is a need for an alteration of approach angle, thus far there is little evidence of the change required to move towards universal coverage. A needs assessment and a requirement specification were developed based on the findings in the background analysis. This was then used to generate possible technical solutions to be further studied. In the process of deciding upon technical solutions, the information gathered in the village, especially that related to the previously implemented system, has been important. After analysing the data collected in Mpagne and studying available technology the following alternatives were developed: Alternative 1: Groundwater exploitation with flywheel handpump, elevated storage tank and gravity based distribution to community tap standAlternative 2: Rainwater harvesting with swale-trench filtration and flywheel handpump, elevated storage tank and gravity based distribution to community tap standAlternative 3: Combination of groundwater exploitation and rainwater harvesting, similar to alternative 1, with the addition of RWH at the village school. In order to systematically compare these options and decide upon a best suited solution, the indicator comparison methodology developed during the fall project was used in combination with a SWOT-analysis of each concept. The final results obtained indicate that alternative 3 was slightly better than the other two alternatives. A description of the technology required for the new water supply facility in Mpagne was then presented to the level it is possible with the information available at this stage. The intention is for this to serve as an initial suggestion to be presented to the villagers for further discussion. The report continues with a discussion of an implementation strategy with an enhanced focus on how the technical system can be installed in Mpagne in a social, economic and environmentally sound context. The discussion covers the following four phases: 1.Planning2.Construction3.Operation and maintenance4.Follow-up and evaluation This process will be especially important considering the past failed project in Mpagne, and an agency should give special attention to including the villagers in all levels from an early stage. This to avoid the deficiency between the solution implemented and the actual needs resulting from the past project. Further findings are the current situation of downgrading external factors such as the availability and reliability of spare part supply networks as well as lack of general technical support. This is a primary cause of project failure today. The lack of coordination amongst the sector operators, including NGO’s, donor agencies, and local and international government entities, is also an important factor which slows down the progress of developing an efficient and effective water supply sector. Lastly, until internal village level factors as well as external regional and national aspects are adequately satisfied, the agencies operating in the rural water supply sector today have a great responsibility in terms of creating an enabling environment for sector development. Project conduction should be done in adherence with existing policies until the local governments and/or private partners have succeeded in developing an institutional framework to support a well-functioning water supply sector.
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Pam, Eugene Dung. "Risk-based framework for ballast water safety management". Thesis, Liverpool John Moores University, 2010. http://researchonline.ljmu.ac.uk/5986/.

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Ballast water has been identified as a major vector for the translocation of Non- Indigenous Invasive Species (NIS) and pathogens across zoogeographical regions and subsequent discharged into recipient port states/regions. This is bound to increase given factors like the globalization of trade and the economy of scale of the ship size. Established NIS has posed significant threat to the human health, economy, finances and marine bio-diversity of recipient regions and port states. The risks associated with the discharged NIS are uncertain and difficult to assess due to the stochastic nature of species assemblages and dispersal mechanism. The safest control measure advocated by the IMO is the conduct of ballast water exchange at sea while appropriate and effective proto-type treatment technologies are being developed and approved for future application. This study has been conducted while recognizing the inability of probabilistic approaches applied in ballast water risk management to addressing uncertainty and inadequacy of data. A qualitative approach using powerful multi-criteria decision making techniques and the safety principles of the Formal Safety Assessment framework have been utilized in this research to develop three generic models for ballast water hazard estimation, risk evaluation and decision-making analysis respectively. The models are capable of being modified and utilized in the industry to address the problems of uncertainty and inadequacy of data in ballast water management. This is particularly useful as an interim measure for port states in developing economies (with insufficient data and technology) to developed robust ballast water management plans. While recognising the huge impact of ballast water pollution in recipient regions this study recommends that ballast water management programmes be given due recognition as an important element of sustainable development programmes at national and international levels. The non-availability of a benchmark based on previous research on which to fully validate the research outcome was identified as a major limitation of this research study. The models developed will therefore be subject to modifications as new data become available.
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Rich, Kyle. "Bridging Troubled Waters: Examining Culture in the Canadian Red Cross' Swimming and Water Safety Program". Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24278.

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The Canadian Red Cross (CRC) offers its Swimming and Water Safety Program throughout Canada. The program is delivered by over 35 000 active instructors to over one million participants every year. The research in this thesis is part of a collaborative, interdisciplinary project in partnership with the CRC that examined ways to improve programming for cultural and ethnic minority populations. The thesis is written in the stand alone paper format. The first paper evaluates the program’s content, through a critical whiteness lens, to identify obstacles to offering effective programming to people of diverse cultural and ethnic backgrounds. Based on these findings, I created and piloted a cultural safety training module for program instructors. The second paper then evaluates the effectiveness of this training module to provide recommendations for the CRC to optimize its management of diversity within its organization and aquatics facilities across the country. Collectively, this thesis bridges both understandings of Eurocanadian and whiteness discourses as well as critical whiteness and organizational theories to more holistically understand processes of inclusion, exclusion, accommodation, and the management of diversity in the context of a nation-wide Canadian sport and recreation program.
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Kilanko-Oluwasanya, Grace Olutope. "Better safe than sorry : towards appropriate water safety plans for urban self supply systems". Thesis, Cranfield University, 2009. http://dspace.lib.cranfield.ac.uk/handle/1826/4453.

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Self Supply Systems (SSS) can be defined as privately owned household level water sources. The research focus is on urban self supply hand dug wells in Abeokuta, Nigeria. Self supply wells serve an estimated 45% of Abeokuta’s population. SSS can be gradually upgraded to improve water quality, but water quality can also be improved through effective risk management. The World Health Organization (WHO) has developed a risk management tool known as Water Safety Plans (WSP), but the tool has not been tried for SSS. This research focuses on the relevance of the generic WHO water safety plans tool to SSS, with the aim to develop an appropriate water safety framework for self supply sources to ensure acceptable household water. Water from self supply wells is used for both ingestion and non-ingestion household activities. The water quality of the sources is poor and not safe for consumption with faecal coliform counts in excess of 100 cfu/100 ml of water. Self supply wells in Abeokuta are plagued by four main water safety threats; style of source operation – primarily through bucket and rope -, construction problems, proximity to sources of contamination, and user’s hygiene practices. Users are in denial of the health consequences of unsafe water. There is a predominantly reactive attitude to water safety management. The main source management approaches include access and hygiene management. To appropriate existing WSP to SSS, source and water safety control measures require user acceptability to be sustainable in terms of adoption and compliance. Incentives are needed for the adoption of SSS water safety plans. A two- phase supporting program is necessary: awareness and enlightenment campaigns and relevant training activities. Water safety development for self supply wells need to be initiated and coordinated by an established institution other than the source owners. This research suggests the Department of Public Health as the institution to facilitate the development of water safety plans for SSS in Abeokuta, Nigeria.
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Orru, Kati. "Europeanising risk regulation : drinking water safety in Estonia and Lithuania". Thesis, King's College London (University of London), 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.580327.

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Lee, Youho. "Safety of light water reactor fuel with silicon carbide cladding". Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/86866.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 303-314).
Structural aspects of the performance of light water reactor (LWR) fuel rod with triplex silicon carbide (SiC) cladding - an emerging option to replace the zirconium alloy cladding - are assessed. Its behavior under accident conditions is examined with an integrated approach of experiments, modeling, and simulation. High temperature (1100°C~1500°C) steam oxidation experiments demonstrated that the oxidation of monolithic SiC is about three orders of magnitude slower than that of zirconium alloys, and with a weaker impact on mechanical strength. This, along with the presence of the environmental barrier coating around the load carrying intermediate layer of SiC fiber composite, diminishes the importance of oxidation for cladding failure mechanisms. Thermal shock experiments showed strength retention for both [alpha]-SiC and [beta]-SiC, as well as A1₂O₃ samples quenched from temperatures up to 1260°C in saturated water. The initial heat transfer upon the solid - fluid contact in the quenching transient is found to be a controlling factor in the potential for brittle fracture. This implies that SiC would not fail by thermal shock induced fracture during the reflood phase of a loss of coolant accident, which includes fuel-cladding quenching by emergency coolant at saturation conditions. A thermo-mechanical model for stress distribution and Weibull statistical fracture of laminated SiC cladding during normal and accident conditions is developed. It is coupled to fuel rod performance code FRAPCON-3.4 (modified here for SiC) and RELAP-5 (to determine coolant conditions). It is concluded that a PWR fuel rod with SiC cladding can extend the fuel residence time in the core, while keeping the internal pressure level within the safety assurance limit during steady-state and loss of coolant accidents. Peak burnup of 93 MWD/kgU (10% central void in fuel pellets) at 74 months of in-core residence time is found achievable with conventional PWR fuel rod design, but with an extended plenum length (70 cm). An easier to manufacture, 30% larger SiC cladding thickness requires an improved thermal conductivity of the composite layer to reduce thermal stress levels under steady-state operation to avoid failure at the same burnup. A larger Weibull modulus of the SiC cladding improves chances of avoiding brittle failure.
by Youho Lee.
Ph. D.
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Cheng, Zhiyuan S. M. Massachusetts Institute of Technology. "Safety analysis of a compact integral small light water reactor". Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/127303.

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Abstract (sommario):
Thesis: S.M., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, May, 2020
Cataloged from the official PDF of thesis.
Includes bibliographical references (pages 110-112).
Small modular reactors (SMRs) hold great promise in meeting a diverse market while reducing the risk of delays during nuclear construction compared to large gigawatt-sized reactors. However, due to lack of economy of scale, their capital cost needs to be reduced. Increasing the compactness or power density of the nuclear island is one way to reduce capital cost. This work first assesses the transient analysis of a compact integral small light water reactor to examine its safety performance. Subsequently, a parametric optimization study with the goal of increasing its power density (i.e. improve its market competitiveness) while maintaining safety is performed. A model of the reactor is established using RELAP5/3.3gl, with reference to the features of Nuward SMR. Nuward is a compact 170 MWe Pressurized Water Reactor, whose key features include the use of Compact Steam Generators and a large water tank in which the containment submerges for passive heat removal.
A transient analysis of the reference reactor after Loss of Flow Accident, Station Blackout, and Loss of Coolant Accident is carried out. Following all three accidents, the integrity of the fuel and the reactor is maintained. The passive cooling system is estimated to provide 12 - 13 days of grace period. The parametric optimization study indicates that the size of the tank can be reduced to half and still maintain sufficient margin to both short-term and long-term safety goals after all three transients with an estimated grace period of 7 - 8 days. In addition, the configuration of the passive safety system can be rearranged to reduce the size of the containment to 76% of the reference design without affecting its safety performance. By increasing the coolant enthalpy change, which also results in a higher thermal efficiency, the electrical output of the reference design can be enhanced by 44% without major design changes.
If the number of pumps in the vessel are increased by 2, the electrical output can be enhanced by 102% while satisfying all safety criteria. The uprated power that satisfies a 72-hour grace period requires a tank size that is 32.5% of the reference design. Such compact and simplified nuclear steam supply system can partially address the lack of economy of scale for the reference SMR and improve its market competitiveness.
by Zhiyuan Cheng.
S.M.
S.M. Massachusetts Institute of Technology, Department of Nuclear Science and Engineering
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Guillermo, Díez Fernández. "Safety aspects of Cermic Fully Encapsulated fuel for Light Water Reactors". Thesis, KTH, Fysik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-101992.

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Perez, Huertas Daniel. "Cyber-Security and Safety Analysis of Interconnected Water Tank Control Systems". Thesis, KTH, Reglerteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-55972.

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Over the last few years, wireless sensor networks have become an interesting tool for controlling processes. Their use in this field has significantly increased based on recent technological advances which permit higher computational power, smaller size and lower cost. This makes them very suitable for integration in large networks of hundreds of interconnected motes that work together being spread in huge areas. However, the wireless nature of these systems make them susceptible to remote attacks, for example by hackers. That is, the wireless devices can be externally manipulated to disturb the correct behavior of the process. In some critical facilities, such as, power plants, hospitals, factories using dangerous materials it is very important to ensure the resiliency and safety of the control system even if a hacker takes full control of some wireless nodes.
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Summerill, Corinna. "Improved water safety planning : insights into the role of organisational culture". Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/5443.

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Unsafe water, as many recent outbreaks have shown, has the potential to cause widespread illness and even death. Water Safety Plans (WSPs) are advocated as the best way of ensuring good safe drinking water using a risk management approach. Using a case study approach to generate qualitative data, organisational culture and WSP development in water suppliers of varying size, development and structure was studied to look for examples of best practice or barriers to effective implementation. Despite WSPs being promoted since 2004, suppliers are still experiencing challenges in implementation, with deeper organisational culture barriers prevalent such as: lack of awareness and recognition; uncertainty; complacency; poor internal relationships; competing priorities; and contrasting internal cultures, in addition to the commonly espoused reasons of a lack of time or resources. Concern was raised that the public health motivator of WSPs was becoming lost, as a wide range of additional ‘added value’ drivers and benefits were identified such as cost savings or commercial drivers. This was echoed in broader organisational missions and drivers identified; whilst may employees still identified quality and public health as important, more formal declarations often prioritised other areas. In response to identified organisational culture barriers, a ‘taxonomy’ of positive cultural attributes and a number of practical tools were developed that may assist suppliers in developing a supportive organisational culture for sustainable WSP implementation. These positive elements included: managerial commitment; learning culture; effective internal and external relationships; accountability; open reporting culture; continual improvement culture; empowerment of staff; organisational commitment; proactivity; leadership and advocacy; mindfulness of public health; image and competitiveness. A number of recommendations can be made to those wishing to implement WSPs. Primarily, it is urged that organisational culture and how it can impact on effective WSP implementation should be considered. Perceived lack of time and resources may actually be representative of deeper cultural barriers, and recognise that WSP implementation is more than just following a set of instructions, it will require instilling a water safety ‘culture’ within the organisation.
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Libri sul tema "Water safety"

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Water safety. New York: Marshall Cavendish Benchmark, 2010.

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Loewen, Nancy. Water safety. [Plymouth, MN]: Child's World, 1997.

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Water safety. Chicago, Ill: Heinemann Library, 2008.

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Navigations, Birmingham Canal. Water safety pack. Birmingham: British Waterways Board, 1990.

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ill, Andersen Gregg, a cura di. Safety around water. New York: Crabtree Pub. o., 2009.

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Sanitation, hot water safety and water efficiency: Sanitation, hot water safety and water efficiency. 2a ed. [Place of publication not identified]: RIBA, 2015.

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Carter, Kyle. In water. Vero Beach, Fla: Rourke Press, 1994.

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Sanders, Pete. Near water. New York: Gloucester Press, 1989.

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Light water reactor safety. Oxford, England: Pergamon Press, 1989.

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AMERICAN RED CROSS. Swimming and water safety. Yardley, PA: Stay Well, 2004.

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Capitoli di libri sul tema "Water safety"

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O’Hara, Glen. "Water Safety". In The Politics of Water in Post-War Britain, 149–81. London: Palgrave Macmillan UK, 2017. http://dx.doi.org/10.1057/978-1-137-44640-4_6.

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Oka, Yoshiaki, Seiichi Koshizuka, Yuki Ishiwatari e Akifumi Yamaji. "Safety". In Super Light Water Reactors and Super Fast Reactors, 349–439. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-6035-1_6.

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Houtzager, Louise. "Food and Water Safety". In Nutrition and HIV, 360–82. West Sussex, UK: John Wiley & Sons Ltd., 2013. http://dx.doi.org/10.1002/9781118786529.ch17.

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Drevenkar, Vlasta, Sanja Fingler e Zlatko Fröbe. "Some Organochlorine Pollutants in the Water Environment and Their Influence on Drinking Water Quality". In Chemical Safety, 297–310. Weinheim, Germany: VCH Verlagsgesellschaft mbH, 2007. http://dx.doi.org/10.1002/9783527616039.ch20.

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Khojamamedov, Aga Mamedovich, e Khoja Nepesovich Evzhanov. "Management of Halide Mineral Water Discharges". In Chemical Safety, 383–92. Weinheim, Germany: VCH Verlagsgesellschaft mbH, 2007. http://dx.doi.org/10.1002/9783527616039.ch25.

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Wang, Xiaochang C., Chongmiao Zhang, Xiaoyan Ma e Li Luo. "Safety Control of Reclaimed Water Use". In Water Cycle Management, 29–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-45821-1_3.

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Dryden, Gordon McL. "Water." In Fundamentals of applied animal nutrition, 13–18. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781786394453.0002.

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Ward, Richard A., e James E. Tattersall. "Water Treatment and Safety Requirements". In Hemodiafiltration, 41–55. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23332-1_3.

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Liu, Donghong, e Ruiling Lv. "Safety Evaluation of Electrolyzed Water". In Electrolyzed Water in Food: Fundamentals and Applications, 261–67. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3807-6_11.

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Kadar, Mihaly. "Microbiological Safety of Water Supplies". In Security of Public Water Supplies, 185–95. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4241-0_15.

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Atti di convegni sul tema "Water safety"

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Stump, Jr., D. E. "Coal Mine Impoundment Safety". In World Water and Environmental Resources Congress 2004. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40737(2004)351.

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Stanley, Teresa, e Kevin Moran. "50 Adult reality gaps of water competence and drowning risk in open water". In 14th World Conference on Injury Prevention and Safety Promotion (Safety 2022) abstracts. BMJ Publishing Group Ltd, 2022. http://dx.doi.org/10.1136/injuryprev-2022-safety2022.18.

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Ellefsen, Atle. "Dnv Air Quality and Water Systems Assessment (Aqwa)". In Passenger Ship Safety. RINA, 2003. http://dx.doi.org/10.3940/rina.pass.2003.09.

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Zhang, Haitao, Xinmin Xie e Junsan Hou. "Water pollution accident control and urban safety water supply". In 2011 2nd IEEE International Conference on Emergency Management and Management Sciences (ICEMMS). IEEE, 2011. http://dx.doi.org/10.1109/icemms.2011.6015613.

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Tchórzewska-Cieślak, B., D. Papciak, P. Koszelnik, J. Kaleta, A. Puszkarewicz e M. Kida. "Safety analysis of water supply to water treatment plant". In The Fifth National Congress of Environmental Engineering. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315281971-2.

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Beddoes, D. W., e C. A. Booth. "Property level flood protection: technical insights of a new safety flood door". In URBAN WATER 2016. Southampton UK: WIT Press, 2016. http://dx.doi.org/10.2495/uw160261.

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Orlins, Joseph J., Katharyn Gallagher, Clint Oman, Lisa Petronis e Sarah Ross. "Creative Solutions to Dam Safety Issues". In World Water and Environmental Resources Congress 2003. Reston, VA: American Society of Civil Engineers, 2003. http://dx.doi.org/10.1061/40685(2003)48.

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Mehra, Anil. "High-Pressure Water Jet Injuries". In SPE International Health, Safety & Environment Conference. Society of Petroleum Engineers, 2006. http://dx.doi.org/10.2118/98592-ms.

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Марков, Владимир Петрович. "ECONOMIC ASPECTS OF WATER TRANSPORT SAFETY". In Национальная безопасность России: актуальные аспекты: сборник избранных статей Всероссийской научно-практической конференции (Санкт-Петербург, Июль 2020). Crossref, 2020. http://dx.doi.org/10.37539/nb186.2020.45.74.006.

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В связи с нововведениями обостряются существующие проблемы безопасности водного транспорта. Обращается внимание на тот факт, что существующая система безопасности водного транспорта не учитывает географический, технологический и отраслевой факторы. Реализация концепции транспортной безопасности на водном транспорте взывает немало вопросов, определяющих существование отрасли. In connection with the innovations, the existing problems of the safety of water transport are aggravated. Attention is drawn to the fact that the existing water transport safety system does not take into account geographical, technological and sectoral factors. The implementation of the concept of transport security in water transport raises many questions that determine the existence of the industry.
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Vaseashta, Ashok, Eric Braman, Philip Susmann, Yuri Dekhtyar e Kristina Perovicha. "Sensors for water safety and security". In 2011 IEEE Sensors Applications Symposium (SAS). IEEE, 2011. http://dx.doi.org/10.1109/sas.2011.5739827.

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Rapporti di organizzazioni sul tema "Water safety"

1

Gintner, M. A. Condensation induced water hammer safety. Office of Scientific and Technical Information (OSTI), marzo 1997. http://dx.doi.org/10.2172/16909.

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2

Boyer, Renee. Enhancing The Safety of Locally Grown Produce: Water Use. Blacksburg, VA: Virginia Cooperative Extension, agosto 2019. http://dx.doi.org/10.21061/fst-38np_fst-335np.

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3

Clinton, R. Safety evaluation for adding water to tank 101-SY. Office of Scientific and Technical Information (OSTI), dicembre 1994. http://dx.doi.org/10.2172/10115662.

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4

Dodd, E. N. Jr. Safety evaluation -- Spent water treatment system components inventory release. Office of Scientific and Technical Information (OSTI), gennaio 1995. http://dx.doi.org/10.2172/10118619.

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5

Weiss, A. Transactions of the eighteenth water reactor safety information meeting. Office of Scientific and Technical Information (OSTI), ottobre 1990. http://dx.doi.org/10.2172/6802492.

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6

Gillor, Osnat, Stefan Wuertz, Karen Shapiro, Nirit Bernstein, Woutrina Miller, Patricia Conrad e Moshe Herzberg. Science-Based Monitoring for Produce Safety: Comparing Indicators and Pathogens in Water, Soil, and Crops. United States Department of Agriculture, maggio 2013. http://dx.doi.org/10.32747/2013.7613884.bard.

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Using treated wastewater (TWW) for crop irrigation represents an important opportunity for ensuring adequate food production in light of growing freshwater scarcity worldwide. However, the environmentally sustainable approach of using TWW for irrigation can lead to contamination of produce with fecal pathogens that may remain in treated water. The overall goal of this research was to evaluate the correlation between the presence of fecal indicator bacteria (FIB) and that of a suite of human pathogens in TWW, the irrigated soil, and crops. Field experiments were conducted to compare secondary and tertiary TWW with dechlorinated tap water for irrigation of tomatoes, a typical commercial crop, in Israel, a semi-arid country. Human pathogens including bacteria (Salmonella), protozoa (Cryptosporidiumand Giardia), and viruses (Adenovirus [AV Types A, B, C & 40/41] and Enterovirus [EV71 subtypes]) were monitored in two field trials using a combination of microscopic, cultivation-based, and molecular (qPCR) techniques. Results from the field trials indicate that microbial contamination on the surface of tomatoes did not appear to be associated with the source of irrigated waters; FIB contamination was not statistically different on tomatoes irrigated with TWW as compared to tomatoes irrigated with potable water. In fact, Indicator bacteria testing did not predict the presence of pathogens in any of the matrices tested. High concentrations of FIB were detected in water and on tomato surfaces from all irrigation treatment schemes, while pathogen contamination on tomato surfaces (Cryptosporidiumand Salmonella) was only detected on crops irrigated with TWW. These results suggest that regular monitoring for pathogens should take place to accurately detect presence of harmful microorganisms that could threaten consumer safety. A notable result from our study is that the large numbers of FIB in the water did not appear to lead to FIB accumulation in the soil. With the exception of two samples, E. coli that was present at 10³ to 10⁴ cells/100 mL in the water, was not detected in the soil. Other bacterial targets associated with the enteric environment (e. g., Proteusspp.) as well as protozoal pathogens were detected in the TWW, but not in the soil. These findings suggest that significant microbial transfer to the soil from TWW did not occur in this study. The pattern of FIB contamination on the surfaces of tomatoes was the same for all treatment types, and showed a temporal effect with more contamination detected as the duration of the field trial increased. An important observation revealed that water quality dramatically deteriorated between the time of its release from the wastewater treatment plant and the time it was utilized for irrigation, highlighting the importance of performing water quality testing throughout the growing season at the cultivation site.
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SEMMENS, L. S. K West integrated water treatment system subproject safety analysis document. Office of Scientific and Technical Information (OSTI), febbraio 1999. http://dx.doi.org/10.2172/781562.

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HEARD, F. J. Independent Review and Analysis of the Safety Class Helium Sys 30 LB Safety Relief Valve and Vent Path Tempered Water Sys and Process Water Conditioning. Office of Scientific and Technical Information (OSTI), novembre 1999. http://dx.doi.org/10.2172/798694.

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Luketa, Anay. Guidance on Hazard and Safety Analyses of LPG Spills on Water. Office of Scientific and Technical Information (OSTI), settembre 2018. http://dx.doi.org/10.2172/1472226.

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FINFROCK, S. H. Accident Analyses in Support of the Sludge Water System Safety Analysis. Office of Scientific and Technical Information (OSTI), agosto 2002. http://dx.doi.org/10.2172/808224.

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