analysis reconstruction and quantitation in nuclear medicine

... , Minh Khoi Le 2 , Vicki Le 2 and Natalie Nha-Truc Le 2 Abstract: Methods of increasing the performance of radionuclide generators used in nuclear medicine radiotherapy and SPECT/PET imaging ... Methods of Increasing the Performance of Radionuclide Generators Used in Nuclear Medicine: Daughter Nuclide Build-Up Optimisation, Elution-Purification-Concentration Integration, and Effective ... been recorded from both the impure and product radionuclides The Compton background and coincidence gamma rays are the main interferences causing an increase in the detection limit of the impure

Ngày tải lên: 15/10/2022, 11:30

... removed During safe enclosure and final dismantling health and safety information should remain at hand to future users in a way that it does not rely uniquely on individual skills Dolphin [14] ... waste containers Emerging technologies in nuclear decommissioning are described in Chapter 8.Finally, Chapter  10 deals with the option (and opportunity) of releasing materi-als, buildings, and entire ... establish and maintain a governmental, legal and regulatory framework within which all aspects of decommissioning, including management of the resulting radioactive waste, can be planned and carried

Ngày tải lên: 03/01/2018, 17:45

... decommissioning and waste management Accordingly, the initial planning for decommissioning includes the estimate of the future costs for decommissioning activities and waste management, including the final ... decommissioning) and thus are applicable during operation, during decommissioning, or both during operation and decommissioning Focusing on decommissioning specific developments completed since 2012, ... stored in the interim storage facility A major element in the final planning for decommissioning is the preparation of the final decommissioning plan and of supporting documents (according to

Ngày tải lên: 03/01/2018, 17:45

... in defining the problem, defining strategies, and having contingency plans The “costs” and penalties of implicit and explicit coordination have different features For example, training time and ... predefined in detail Decommissioning is intrinsically multi-disciplinary (including radiological and industrial safety; radioactive and hazardous waste management; civil, mechanical, chemical, and ... electronic engineering; costing and funding; stakeholder involvement; etc.), and this dictates that the abovementioned disciplines be managed within an integrated vision, which is indeed another

Ngày tải lên: 03/01/2018, 17:45

... reliability, and quality and in a safe manner In decommissioning, this changes to a clearly defined singular aim—the elimina-tion of the plant and the disposal of any remaining radioactive material In ... (activation, contamination) material from the matrix (systems and buildings) and dismantling, segmenting, and packing any re-sulting waste into the respective disposal containers Mainly these are ... The remaining dismantling and decommissioning steps then can be carried out using standard procedures and technologies that can be assumed being available also in a distant time The planning should

Ngày tải lên: 03/01/2018, 17:45

... decommissioning cost estimation involve developing a process and obtaining support for reporting actual decommissioning costs in a retrievable and useful manner This information can be valuable in benchmarking ... decommissioning117 5.7.1 Maine Yankee The Maine Yankee NPP was a 920-MWe PWR Combustion Engineering design It began operations in 1972 and was shut down in 1997 The original estimate was $508 million in ... confidence in the detailed planning and implementation in the field 5.8.3 Sets an example for other industries to follow (mining, oil, coal, gas, and manufacturing) The DCE processes and practices

Ngày tải lên: 03/01/2018, 17:45

... generations’ involvement in nuclear decommissioning 6.3.10 Nonnuclear industry A sector of the national and international industry that has a specific interest in nuclear decommissioning is the recycling ... visiting the Vandellos decommissioning project in Spain Fig. 6.1  Vandellos NPP decommissioning project: journalists looking at waste containers Courtesy of IAEA, Planning, Managing and Organizing ... https://www.gov.uk/government/organisations/the-shareholderexecutive [25] Willis Wire, Stepping into the unknown: insuring nuclear decommissioning http://blog willis.com/2015/11/stepping-into-the-unknown-insuring-nuclear-decommissioning/, December 26, 2015 [26]

Ngày tải lên: 03/01/2018, 17:46

... shutdown, refueling, maintenance, etc Radiation and contamination levels encountered in operations are generally well-known, and shielding, provided in the design, is effective in minimizing exposures ... Worldwide, the nuclear indus-try prides itself in its approach to nuclear safety; during routine operations, serious nuclear-specific injuries such as overexposures, contamination, and ingestion are ... being decommissioned in tents or larger buildings in order to contain contaminants with the new enclosures having state-of-the-art Heating Ventilation and Air Conditioning (HVAC) equipment and

Ngày tải lên: 03/01/2018, 17:46

... Lessons learned and input from crossdisciplinary planning teams are used to refine and integrate plans and schedules of upcoming activities in order to reduce risk and gain efficiencies, and lessons ... multi-disciplinary planning life cycle when procuring, planning, and using new or emerging technologies to integrate and improve them incrementally, as was described above for outage and maintenance ... Methods in Nuclear Power Plant Decommissioning Dose Analysis, Raleigh, NC 27695: North Carolina State University 1110 Burlington Engineering Labs, May 2002 [142] STUK Finland Radiation and Nuclear

Ngày tải lên: 03/01/2018, 17:46

... facilities every day, and it became contaminated when contacting the fuel debris and contaminated surfaces, then passing into the turbine building In addition, water for the cooling of the nuclear reactor ... pumping and diverting around buildings Changing the passage of the water duces the water level around the building To prevent contaminated water within the buildings from flowing out, reducing ... described in this chapter are included to establish the background The bulk of this section is given to planning and implementation of recovery and planning for final decommissioning Activities in this

Ngày tải lên: 03/01/2018, 17:46

... contaminated materials aris-ing from decommissioning Trang 3The following sections include up-to-date advancements in the process of releasing materials, buildings, and sites Related basic principles, ... situation that covers, among other things, the generation of nuclear power, including any activities within the nuclear fuel cycle that involve or that could involve exposure expo-to radiation ... 10.2.1 General principles The decommissioning of nuclear installations represents a complex process resulting in the generation of large amounts of various waste materials containing different els

Ngày tải lên: 03/01/2018, 17:46

... decommissioning in the NSRI of the JAEA Int Nuclear Safety J 3(4), 16–24 Available from the Internet address: http://nuclearsafety.info/international-nuclear-safety-journal/index.php/INSJ/issue/view/9 ... reactor began operations in 1965 and was shut down in 2012 due to increasing costs and a lack of research, educational, training, and commercial use The reactor’s fuel was removed and transported to ... KRR-2 in 2001 and finishing with KRR-1, where dismantling works were completed by 2013 However, some radioac-tive waste still remains at the site and some remediation work on site and building

Ngày tải lên: 03/01/2018, 17:46

... bioshields, seal all openings to the stores, and install a new roof and lighting and monitoring systems Because the decommissioning planning and im-plementation was carried out in groups of two reactors, ... commercial nuclear power reactors in the United States, was shut down in 1976 and placed in SAFSTOR in 1983; and it is now completing de-commissioning What makes this project particularly challenging ... implementation of decommissioning that define and incorporate the priorities and concerns of parties affected, including trade unions, opinion groups, businesses, local communities, and environmentalists

Ngày tải lên: 03/01/2018, 17:46

... preparation and initial dismantling Deferred Dismantling Period Update Final Decommissioning Plan Surveillance and maintenance Decontamination and Dismantling Phase Decontamination and dismantling activities ... when determining the timing of environmental remediation within both the site and its decommissioning program lifecycles In many instances, before the advent of physical decommissioning and demolition ... understanding of any surface or below-ground contamination is already in place This baseline understanding allows a site to verify that any subsequent decommissioning activities are not leading

Ngày tải lên: 03/01/2018, 17:46

... and professional examinations, and in every day practice In so doing, we have remained true to the original intention of E Noble Chamber-lain who, in 1936, wrote the following in the preface to ... sim-ply by taking a history and examining a patient Performing a physical examination should be an active and adaptable process – it is all too easy to get into a ‘routine’ of examining particular ... interpreting and acting on the results of common investigations ● understands local systems and asks for ate help appropri-Confi rming and excluding diagnoses Imagine a patient presenting with chest pain

Ngày tải lên: 21/01/2020, 15:08

... Dose calculations in Nuclear medicine using voxel phantom by GAMOS/Geant4 Major: Atomic and Nuclear Physics Code: 9 44.01.06 Institution: Vietnam Atomic Energy institute (VINATOM) THE CONTENT ... calculation for voxel phantom, applied to patients undergoing nuclear medicine procedures and people in contact with them 2 Objectives: The errors in the borders of body organs, which are caused by ... exact organs and treatment volumes as painted by the medical personnel on a voxelised phantom are included In the calculation for contacting people, the NM image of the patient and the contact

Ngày tải lên: 31/08/2021, 16:47

... space and left it out By pasting it on this page, I was picking up a theme that I had been aware of in my data for several years but had not yet developed in my writing In conducting interviews and ... experiences in White and Latino communities: moving from Los Angeles to Orange County, the teachers’ meeting, communicating with White and Latino students ANALYTICAL THIRD STEPS: IDENTIFYING LINGUISTIC ... between Anglo and Latino Californians, she manages to situate herself on the Latino side THE FINAL STEP: ANALYSIS OF RELEVANCE Although I find narrative analysis to be intrinsically satisfying, that

Ngày tải lên: 22/10/2022, 20:17

... associated with overuse injuries including extrinsicand intrinsic factors Multievent endurance activities are unique and blend sev-eral activities, typically swimming, cycling, and running Each of these ... Cycling cadence and gearing resistance combine through long hours of trainingand competition can lead to tissue injury, failure, and the development of an overuseinjury Cycling over level terrain ... overuse injury, and as treatment for anexisting injury The Act of Running: Single Support and Double Float (Swing) The act of running propels the triathlete forward during the running portion oftraining

Ngày tải lên: 29/12/2022, 10:40

... applying wedged insoles in attempts to reduceosteoarthritic pain of biomechanical origin” [37] In addition, a 75% reduction indisability rating and a 66% reduction in pain rating occurred in patients ... flexibility and comfort Removing the insole and exploring the inside ofthe shoe can determine which kind of last the running shoe has [1, 26] Trang 321 Peter C: The Running Shoe Book Anderson World Inc., ... digging into the posterior heel and Achilles insertion Simply removing thecounter of the shoe, or changing shoe models or brands, can convert a very painfuland disabling condition to a pain-free

Ngày tải lên: 29/12/2022, 10:41

... myocardial perfusion imaging, minicomputers dedicated to acquiring and processing nuclear medicine images, and techniques for labelling red blood cells with technetium It was during this time that ... studies before, during, and after interventional therapy During the 1980s, several important advances took place including quantitation of perfusion imaging and the refinement of single photon emission ... issue of Seminars in Nuclear Medicine we have attempted to describe the current status of the ever-advancing field of cardiovascular nuclear medicine and perhaps provide just a small peek into the...

Ngày tải lên: 23/03/2014, 00:20