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- Ahvenniemi, Esko, et al.
(author)
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Recommended reading list of early publications on atomic layer deposition-Outcome of the "Virtual Project on the History of ALD"
- 2017
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In: Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films. - : American Vacuum Society. - 0734-2101 .- 1520-8559. ; 35:1
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Research review (peer-reviewed)abstract
- Atomic layer deposition (ALD), a gas-phase thin film deposition technique based on repeated, self-terminating gas-solid reactions, has become the method of choice in semiconductor manufacturing and many other technological areas for depositing thin conformal inorganic material layers for various applications. ALD has been discovered and developed independently, at least twice, under different names: atomic layer epitaxy (ALE) and molecular layering. ALE, dating back to 1974 in Finland, has been commonly known as the origin of ALD, while work done since the 1960s in the Soviet Union under the name "molecular layering" (and sometimes other names) has remained much less known. The virtual project on the history of ALD (VPHA) is a volunteer-based effort with open participation, set up to make the early days of ALD more transparent. In VPHA, started in July 2013, the target is to list, read and comment on all early ALD academic and patent literature up to 1986. VPHA has resulted in two essays and several presentations at international conferences. This paper, based on a poster presentation at the 16th International Conference on Atomic Layer Deposition in Dublin, Ireland, 2016, presents a recommended reading list of early ALD publications, created collectively by the VPHA participants through voting. The list contains 22 publications from Finland, Japan, Soviet Union, United Kingdom, and United States. Up to now, a balanced overview regarding the early history of ALD has been missing; the current list is an attempt to remedy this deficiency.
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- Walther, G, et al.
(author)
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Report on challenges for SCIs
- 2021
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Reports (other academic/artistic)abstract
- This report discusses the challenges posed by four types of threats – terrorist attacks, cyber-attacks, extreme weather and social unrest – on the following eight smart critical infrastructure systems:a.ALPHA - Finance (financial system): The analysis focuses on disturbed information flow and disabling/manipulating IT and communication systems, including attacks on the “physical layer” using the example of IEMI/HPEM threats, as well as the software layer.b. BRAVO - Energy supply (system): The analysis focuses on disruption of “smart” energy supply in a “smart city”, caused by natural hazards, in this case flooding, leading to cascading effects and severe consequences for other energy-depending SCIs.c. CHARLIE - Health care (system):Focus of the analysis is on all threats that might cause large increases in the numbers of injuries or sick patients within a densely populated area. This will include indirect impacts, e.g. large numbers of injuries caused by a disaster or terrorist attacks or disease epidemics, but also direct impacts, e.g. service disruptions in critical health infrastructures, such as hospitals, due to attacks or disasters hitting the infrastructure itself.d.DELTA - Transportation (system) – airports: According to the framework situation, threats on Smart Airports will be assessed under circumstances of (i) blocked traffic, (ii) passenger and airplane traffic exceeding capacity (iii) flood.e. ECHO - Industry (in zones in cities) "Industrial Production Plants":The analysis focuses mainly on technological accidents within the refinery complex, but also accidents caused by natural hazards affecting refinery property outside the main refinery complex, e.g. accident on jetty belonging to refinery on the river Danube during unloading/loading oil products from barge to a tank, damages by a gale or storm on process installations (pipes, hoses) resulting in river pollution. Both scenarios could lead to cascading effects for other SCIs in close vicinity.f. FOXTROT - Water supply (systems): The analysis focuses on three cases of local and regional drinking water supply chains, with different kinds of vulnerabilities in terms of climate threats, ICT challenges, security issues and human error.g.GOLF - Urban flood protection (systems): The analysis focuses in the disruption of water and transport caused through tidal and fluvial flooding events.h. HOTEL: City of Helsinki - Flooding underground coal storage. Resilience of the energy infrastructure (city environment).The way this analysis was conducted was by assessing these threats using a 5x5 framework matrix. The two axes of the matrix were phases (understand risks, anticipate/prepare, absorb/withstand, respond/recover, adapt/learn) and dimensions (system/physical, information/data, organizational/business, societal/political, cognitive/decision-making).Each individual matrix block was discussed by subject experts who identified specific challenges and implications for each matrix element and rated its relevance (high, medium, low).In terms of the results, the system/physical dimension received the highest number of important challenges.Overall, the most important singular element was to understand risks in the organizational/business dimension. The least importance was attributed to the adapt/learn phase.
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- Asp, Margareta, professor, 1958-, et al.
(author)
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Physical mobility, physical activity, and obesity among elderly : findings from a large population-based Swedish survey
- 2017
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In: Public Health. - : Elsevier B.V.. - 0033-3506 .- 1476-5616. ; 147, s. 84-91
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Journal article (peer-reviewed)abstract
- Objective To examine how physical activity and physical mobility are related to obesity in the elderly. Study design A cross-sectional study of 2558 men and women aged 65 years and older who participated in a population survey in 2012 was conducted in mid-Sweden with an overall response rate of 67%. Methods Obesity (body mass index ≥30 kg/m2) was based on self-reported weight and height, and physical activity and physical mobility on questionnaire data. Chi-squared test and multiple logistic regressions were used as statistical analyses. Results The overall prevalence of obesity was 19% in women and 15% in men and decreased after the age of 75 years. A strong association between both physical activity and obesity, and physical mobility and obesity was found. The odds for obesity were higher for impaired physical mobility (odds ratio [OR] 2.83, 95% confidence interval [CI] 2.14–3.75) than for physical inactivity (OR 1.63, 95% CI 1.28–2.08) when adjusted for gender, age, socio-economic status and fruit and vegetable intake. However, physical activity was associated with obesity only among elderly with physical mobility but not among those with impaired physical mobility. Conclusion It is important to focus on making it easier for elderly with physical mobility to become or stay physically active, whereas elderly with impaired physical mobility have a higher prevalence of obesity irrespective of physical activity.
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- Frojdh, K, et al.
(author)
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Deceased, disabled or depressed - a population-based 6-year follow-up study of elderly people with depression
- 2003
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In: Social Psychiatry and Psychiatric Epidemiology. - : Springer Science and Business Media LLC. - 0933-7954 .- 1433-9285. ; 38:10, s. 557-562
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Journal article (peer-reviewed)abstract
- The prognosis of depression in elderly people is reported as poor, with high mortality and high rate of non-recovery. The aim of this study was to investigate the outcome after 6 years in a broader perspective. In addition to the risk of dying, we also estimated the risk of moving to long-term care, and having a depression in a re-screening event after 6 years. In 1993, a screening event for depressive symptoms using the Hopkins Symptom Checklist (HSCL-25) was carried out on 1215 subjects aged 65 years and older living in a health care district in Karlstad, Sweden. The study population was divided into a high score, a low score and a dropout group. A re-screening of the same population was carried out in 1999. Logistic regression analysis was used for calculating odds ratios for the selected end-points adjusted for age, gender, civil status and occurrence of physical illness. The adjusted odds ratios for dying for the high score group were 2.5 (95% CI 1.5-4.4) and for any of the end-points 6.1 (95% CI 3.5-10.8) compared with the low score group. Nearly three-quarters of the subjects in the high score group were deceased, depressed or had moved to long-term care after 6 years. The prognosis was poor for depressed elderly people despite not having more physical illness. It is believed that the poor outcome is due to an additive effect of depression on the total medical disease burden.
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