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Journal articles on the topic 'Cumulative case study'

Author: Grafiati

Published: 14 December 2024

Last updated: 27 July 2025

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1

Mirahmadizadeh, Alireza, Mousa Ghelichi-Ghojogh, Kimia Jokari, et al. "Correlation Between Diabetes and COVID-19 Indices: A Global Level Ecological Study." SAGE Open Nursing 9 (January 2023): 237796082311654. http://dx.doi.org/10.1177/23779608231165485.

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Introduction Coronavirus is threatening the global public health as a new and widespread crisis. The researchers must keep in mind that one of the most vulnerable groups to COVID-19 are the people with underlying diseases, especially diabetes. Objective This ecological study aimed to investigate the correlation between diabetes and the epidemiological indices of COVID-19. Methods This ecological study included 144 countries. Their available data consists of the cumulative incidence rate of cases, cumulative incidence rate of death, recovery rate, case fatality rate, and performed tests of COVI

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Eftestøl, Sindre, Diress Tsegaye, Kjetil Flydal, and Jonathan E. Colman. "Cumulative effects of infrastructure and human disturbance: a case study with reindeer." Landscape Ecology 36, no. 9 (2021): 2673–89. http://dx.doi.org/10.1007/s10980-021-01263-1.

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Abstract Context Within Rangifer ranges, many studies focus on expanding infrastructure and human activity negatively influencing habitat use. Little documentation exists on how disturbances act in synergy (i.e. cumulative effects), nor methods to test such effects. Objectives (1) Investigate how cumulative disturbance at different distances affects reindeer habitat use and (2) at what disturbance levels and distances loss of habitat functionality occurs. Methods Disturbance intensity levels for trails and infrastructure were based on expected amount of human activity, on a scale from 1 to 6.

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TaHa, Basirah, and Lora Peppard. "Managing Substance Use and Emotions in the Context of Trauma: A Case Study." Journal of Doctoral Nursing Practice 9, no. 1 (2016): 55–59. http://dx.doi.org/10.1891/2380-9418.9.1.55.

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The reciprocal interaction between substance use, trauma, and emotions is well documented. Trauma is associated with neuroendocrine and neurobiological dysfunction and the subsequent development of psychopathology in adults. Cumulative trauma triggers, aggravates, and increases the recurrence of psychiatric symptoms. Individuals suffering the psychiatric sequelae of cumulative trauma have a more complex clinical profile, ultimately resulting in worse treatment outcomes. Limited guidance exists in the form of treatment guidelines or clinical evidence on the management of substance use and emoti

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Bohnen, Nicolaas I. L. J., Mark A. Warner, Emre Kokmen, C. Mary Beard, and Leonard T. Kurland. "Alzheimer's Disease and Cumulative Exposure to Anesthesia: A Case-Control Study." Journal of the American Geriatrics Society 42, no. 2 (1994): 198–201. http://dx.doi.org/10.1111/j.1532-5415.1994.tb04952.x.

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Fox, Mary A. "Evaluating cumulative risk assessment for environmental justice: a community case study." Environmental Health Perspectives 110, suppl 2 (2002): 203–9. http://dx.doi.org/10.1289/ehp.02110s2203.

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Bravo-Egana, Valia, Steven Heron, and Dimitri S. Monos. "P197 Cumulative weak HLA antibodies. relevant or not. A case study." Human Immunology 78 (September 2017): 204. http://dx.doi.org/10.1016/j.humimm.2017.06.257.

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Martinez, B., R. Demafelis, J. Alcantara, et al. "Life Cycle Assessment of Blended Cement Product: A Case Study." IOP Conference Series: Materials Science and Engineering 1318, no. 1 (2024): 012025. http://dx.doi.org/10.1088/1757-899x/1318/1/012025.

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Abstract Large-scale cement production has led to serious environmental issues since the process is energy and resource intensive. Moreover, the cement industry is one of the sources of anthropogenic CO2 emissions. As a matter of fact, in the Philippines, the CO2 emission increased by 88.23% in over a decade. Hence, this research conducted a life cycle assessment of blended cement products in a cement manufacturing facility in Bulacan, Philippines from cradle to gate. The research utilized functional units of one metric ton of clinker, and one metric ton of blended cement. For the life cycle a

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Zhu, Ping. "Application of the Exergy Method to Environmental Impact Assessment: The Heat Exchange Process as a Case Study." Advanced Materials Research 549 (July 2012): 927–30. http://dx.doi.org/10.4028/www.scientific.net/amr.549.927.

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This paper focuses on evaluation of the heat exchange process based on cumulative exergy analysis method. The case study chosen is the countercurrent heat exchange process that is widely used in the industrial processes. The optimal design is achieved by minimizing the annual total cumulative exergy consumption of the cold stream. The natural resource-oriented mathematical models are established in details. Obviously, the results from cumulative exergy optimization are imposed by the present state of the technology compared with the ones from thermoeconomics

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Neugebauer, Maciej, Adam Żebrowski, and Ogulcan Esmer. "Cumulative Emissions of CO2 for Electric and Combustion Cars: A Case Study on Specific Models." Energies 15, no. 7 (2022): 2703. http://dx.doi.org/10.3390/en15072703.

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This work includes calculations of the cumulative CO2 emissions of two comparable cars—the VW Golf VII—one with a combustion engine and the other with an electric motor. Calculation of CO2 emissions was performed, taking into account the stages of production, utilization and use of the above-mentioned vehicles. For the use phase, it was assumed that the total mileage of the car will be 150,000 km over 10 years. For the electric vehicle, calculations were made assuming five different sources of electricity (from coal only, from natural gas only, from PV and wind turbines, an average mix of Euro

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Ahammed, M. Alauddin, and Susan L. Tighe. "Concrete pavement surface textures and multivariables frictional performance analysis: a North American case study." Canadian Journal of Civil Engineering 35, no. 7 (2008): 727–38. http://dx.doi.org/10.1139/l08-025.

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Concrete pavements are well known for long structural life. The major challenge, however, is to provide a durable surface with adequate skid resistance for economy and safety. This paper examines the long-term frictional performance of eight different surface textures on 197 sections of concrete pavements within the long-term pavement performance (LTPP) program database. Analysis shows that tined and (or) grooved textures maintain consistently higher skid resistance over time and the surface friction of concrete pavements is less sensitive to ambient temperature. Cumulative traffic passes are

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11

Diccion, A. J. L., and J. Z. Duran. "MODELING AND FORECASTING CUMULATIVE EVI ANOMALIES USING SARIMA FOR BIOPHYSICAL MONITORING: A CASE STUDY IN THE PHILIPPINES." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLVI-4/W6-2021 (November 18, 2021): 141–46. http://dx.doi.org/10.5194/isprs-archives-xlvi-4-w6-2021-141-2021.

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Abstract. Understanding changes in vegetation cover that affect the biophysical conditions of a region can help in formulating policies to address current and future problems of terrestrial ecosystems such as deforestation and environmental degradation. This study focuses on developing a model that forecasts the cumulative Enhanced Vegetation Index (EVI) anomalies as a tool for biophysical conditions monitoring in the Philippines. Satellite data from MODIS MYD13Q1 V6, which contains vegetation index per pixel at 16-day intervals with a resolution of 250 meters, were utilized. The cumulative EV

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Payne-Sturges, Devon, Jonathan Cohen, Rosemary Castorina, Daniel A. Axelrad, and Tracey J. Woodruff. "Evaluating Cumulative Organophosphorus Pesticide Body Burden of Children: A National Case Study." Environmental Science & Technology 43, no. 20 (2009): 7924–30. http://dx.doi.org/10.1021/es900713s.

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13

Morgan, C., J. Kirkbride, G. Hutchinson, et al. "Cumulative social disadvantage, ethnicity and first-episode psychosis: a case-control study." Psychological Medicine 38, no. 12 (2008): 1701–15. http://dx.doi.org/10.1017/s0033291708004534.

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BackgroundNumerous studies have reported high rates of psychosis in the Black Caribbean population in the UK. Recent speculation about the reasons for these high rates has focused on social factors. However, there have been few empirical studies. We sought to compare the prevalence of specific indicators of social disadvantage and isolation, and variations by ethnicity, in subjects with a first episode of psychosis and a series of healthy controls.MethodAll cases with a first episode of psychosis who made contact with psychiatric services in defined catchment areas in London and Nottingham, UK

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Yang, Xiai, Xiongzhi Xue, and Shawn S. Shen. "Cumulative effects assessment of bay ecosystem: Xiamen's Western Sea, a case study." Aquatic Ecosystem Health & Management 9, no. 1 (2006): 67–71. http://dx.doi.org/10.1080/14634980500536113.

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Perwitiningsih, Perwitiningsih. "Cumulation of Marriage Itsbat and Talak Divorce Lawsuits (Case Study Decision No. 5361/Pdt.G/2022/PA.Badg.)." Kosmik Hukum 24, no. 2 (2024): 76. http://dx.doi.org/10.30595/kosmikhukum.v24i2.20860.

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The civil law that applies in Indonesia does not standardize provisions regarding cumulative lawsuits, especially cumulative lawsuits on marriage itsbat and talak divorce. In Decision No. 5361/Pdt.G/2022/PA.Badg., there is a marriage itsbat and talak application. This normative research that aims to analyze how the provisions in Indonesian legislation regulate the accumulation of itsbat of marriage and talak lawsuit and to analyze the judge’s decision to grant the application for itsbat of marriage, especially unregistered marriages for pregnant women and talak for pregnant woman. This researc

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Mirahmadizadeh, Alireza, Fatemeh Rezaei, Kimia Jokari, et al. "Correlation Between Social Capital and COVID-19 Indices: A Global Level Ecological Study." Journal of Research & Health 13, no. 4 (2023): 281–90. http://dx.doi.org/10.32598/jrh.13.4.2087.1.

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Background: Given that COVID-19 spreads worldwide, it has become a public health priority. This study aims to investigate the correlation between social capital and the epidemiological indicators of COVID-19. Methods: This survey is an ecological study, so all studied variables are aggregated.‌ To collect the variables in the study, a data set was provided, which included the information of each country based on the cumulative deaths, case fatality rate, recovery rate, and the number of performed COVID-19 tests. We drew scatter plots of the social capital for the studied countries based on COV

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NeSmith, D. S., and D. C. Bridges. "Modeling Chilling Influence on Cumulative Flowering: A Case Study Using `Tifblue Rabbiteye Blueberry." Journal of the American Society for Horticultural Science 117, no. 5 (1992): 698–702. http://dx.doi.org/10.21273/jashs.117.5.698.

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A Weibull distribution function was used to develop a model for estimating cumulative flowering and the distribution of flowering of `Titblue' rabbiteye blueberry (Vaccinium Ashei Reade) as a function of growing degree days (GDD) following exposure to chilling temperatures for 300 to 1200 hours. Controlled chilling and flowering conditions were imposed on blueberry plants to obtain data for model development. Once developed, the model was validated using independent data sets from the literature. Given information concerning chilling and historical GDD, the model can be used to predict the ons

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Mackie, Lucas, Daniel Coles, Matthew Piggott, and Athanasios Angeloudis. "The Potential for Tidal Range Energy Systems to Provide Continuous Power: A UK Case Study." Journal of Marine Science and Engineering 8, no. 10 (2020): 780. http://dx.doi.org/10.3390/jmse8100780.

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The extraction of tidal energy from head differences represents a predictable and flexible option for generating electricity. Here, we investigate the generation potential of prospective tidal power plants in the UK. Originally conceived as separate projects, operating these schemes as a cooperative system could prove beneficial. Combined with the inherent operational flexibility of tidal range-based schemes, a notable tidal phase difference in selected sites allows for the system to spread power generation over a larger proportion of the day. Using depth-averaged modelling and gradient-based

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SITEA, Daria Maria, and Carolina ȚÎMBALARI. "MEASURING THE BANKING COMPETITIVENESS. A CASE STUDY OF ROMANIA." Revista Economica 74, no. 2 (2022): 59–69. http://dx.doi.org/10.56043/reveco-2022-0018.

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In today s economy, the banking industry is crucial in determining the standard of living. The Romanian economy has recently shown a reliance on bank finance, with the banking industry s key goals being to strengthen customer focus, foster digital transformation, and meet consumers needs as they relate to current trends. The COVID-19 pandemic had a significant impact on the Romanian economy, forcing it to overcome new obstacles in the banking sector. Thus, in order to manage their competitiveness, banks must create a resilience strategy. According to the financial reports, the most profitable

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Yun, Kyong-Ku, Dong-Ho Kim, Won-Kyong Jeong, and Chimoon Won. "Comparative Study of Cumulative Damage to Pavement Concrete under Splitting Tensile, Variable Amplitude Fatigue Loadings." Transportation Research Record: Journal of the Transportation Research Board 1914, no. 1 (2005): 24–33. http://dx.doi.org/10.1177/0361198105191400104.

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The purpose of this study was to compare the cumulative damage to pavement concrete under splitting tensile, variable amplitude fatigue loadings by splitting tensile and flexural tensile tests. The cumulative damage theories adapted in this study included the linear damage theory, the nonlinear damage theory, and the equivalent damage theory. The results were as follows. The sums of the cumulative damage were greater by the flexural tensile test than by the splitting tensile test, even though the difference between them was small in each load case. The sums of the cumulative damage at higher s

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Sitea, Daria Maria, and Carolina Țîmbalari. "MEASURING THE BANKING COMPETITIVENESS. A CASE STUDY OF ROMANIA." Revista Economica 74, no. 2 (2022): 59–69. https://doi.org/10.56043/reveco-2022-0018.

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In today s economy, the banking industry is crucial in determining the standard of living. The Romanian economy has recently shown a reliance on bank finance, with the banking industry s key goals being to strengthen customer focus, foster digital transformation, and meet consumers needs as they relate to current trends. The COVID-19 pandemic had a significant impact on the Romanian economy, forcing it to overcome new obstacles in the banking sector. Thus, in order to manage their competitiveness, banks must create a resilience strategy. According to the financial reports, the most profitable

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22

Kadhim, Tania S., and Faiq F. Karam. "Determination of Polycyclic Aromatic Hydrocarbons in Surface Water of Al-Diwaniyah River-Case Study." IOP Conference Series: Earth and Environmental Science 1029, no. 1 (2022): 012017. http://dx.doi.org/10.1088/1755-1315/1029/1/012017.

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Abstract The current study includes the identification of PAHs compounds in seven contaminated sites from the surface water of Al-Diwaniyah river from August 2020 to May 2021. Solid phase extraction was used for extract PAHs compounds from the surface water samples by specified columns and gas chromatography with (FID) detector was used for analysis of these compounds. Significant differences appeared in the concentration of PAHs according to different spatial, temporal conditions and human activities during the study period. The aggregate of PAHs samples for seven sites during ten months were

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23

Peng, Yen-Chun, Cheng-Li Lin, Wan-Yun Hsu, et al. "Proton Pump Inhibitor Use is Associated With Risk of Pancreatic Cancer: A Nested Case–Control Study." Dose-Response 16, no. 4 (2018): 155932581880328. http://dx.doi.org/10.1177/1559325818803283.

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Purpose: To investigate the use of proton pump inhibitors (PPIs) and the risk of pancreatic cancer. Methods: A nested case–control analysis was conducted. Patients with pancreas cancer were matched with controls by propensity score. Univariate and multivariate logistic regression models were used to determine whether PPIs use affected the risk of pancreas cancer. Dose effect was analyzed based on the cumulative defined daily dose (DDD), which was calculated using the total supply of PPIs to individual patients in terms of days and quantity. Results: A total of 1087 patients with pancreas cance

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Jansen, Fenna M., Nathan den Broeder, Satish F. K. Lubeek, et al. "Cumulative thiopurine dosing and keratinocyte skin cancer in inflammatory bowel disease: a case-control study." European Journal of Gastroenterology & Hepatology 35, no. 10 (2023): 1123–30. http://dx.doi.org/10.1097/meg.0000000000002617.

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Background and aim Patients with inflammatory bowel disease (IBD) treated with thiopurines are at increased risk of keratinocyte skin cancer (KSC). Most international guidelines recommend yearly dermatological screening of thiopurine-treated patients. Whether the association between the development of KSC and the use of thiopurines is dose-dependent remains unclear. The aim of this study was to investigate the association between the cumulative thiopurine dose and KSC development in patients with IBD which can be helpful to assist in further skin cancer risk stratification and personalization

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He, Shuqi, Xingpeng Chen, Zilong Zhang, Zhaoyue Wang, and Mengran Hu. "The Exploration of Urban Material Anabolism Based on RS and GIS Methods: Case Study in Jinchang, China." Remote Sensing 12, no. 3 (2020): 370. http://dx.doi.org/10.3390/rs12030370.

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As an open artificial ecosystem, the development of a city requires the continuous input and output of material and energy, which is called urban metabolism, and includes catabolic (material-flow) and anabolic (material-accumulation) processes. Previous studies have focused on the catabolic and ignored the anabolic process due to data and technology problems. The combination of remote-sensing technology and high-resolution satellite images facilitates the estimation of cumulative material amounts in urban systems. This study focused on persistent accumulation, which is the metabolic response o

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BONNELL, STEVE, and KEITH STOREY. "ADDRESSING CUMULATIVE EFFECTS THROUGH STRATEGIC ENVIRONMENTAL ASSESSMENT: A CASE STUDY OF SMALL HYDRO DEVELOPMENT IN NEWFOUNDLAND, CANADA." Journal of Environmental Assessment Policy and Management 02, no. 04 (2000): 477–99. http://dx.doi.org/10.1142/s1464333200000485.

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Environmental assessment (EA) is widely used as a means of incorporating environmental considerations into decision-making, primarily at the project level. The scope of EA has been expanded considerably in recent years to include earlier stages of the decision-making process, namely, policies, plans and programmes. Strategic environmental assessment (SEA) facilitates a planning approach to addressing the overall, cumulative effects of the projects that occur as a result of these decisions. This paper demonstrates the potential benefits of SEA in the assessment and management of cumulative effe

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Miura, Paula Orchiucci, Gislaine Martins Ricardo Passarini, Loraine Seixas Ferreira, Rui Alexandre Paquete Paixão, Leila Salomão de La Plata Cury Tardivo, and Dora Mariela Salcedo Barrientos. "Cumulative Vulnerability: A Case Study on intrafamilial violence, Drug Addiction and Adolescent Pregnancy." Revista da Escola de Enfermagem da USP 48, spe2 (2014): 53–58. http://dx.doi.org/10.1590/s0080-623420140000800009.

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A pregnant adolescent’s vulnerability increases when she is a victim of intrafamilial violence and drug addiction, which cause physical and biopsychosocial damage to the mother and her baby. Objective Present and analyze the case of an adolescent who is addicted to drugs, pregnant and the victim of lifelong intrafamilial violence. Method A case study based on a semi-structured interview conducted in the Obstetrics Emergency Unit at the Teaching Hospital of the University of São Paulo. The data were interpreted and analyzed using Content Analysis. Results intrafamilial violence experienced at t

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Ibrahim, Suleiman Khalifa Arafa, and Mahmoud Ali Ahmed. "Prediction of Students’ Cumulative Grade Point Averages (CGPAs) at Graduation: A Case Study." International Journal of Computer Applications 174, no. 24 (2021): 35–44. http://dx.doi.org/10.5120/ijca2021921149.

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Agbayani, Selina, Jocelyn C. Nelson, Craig Schweitzer, Tanvi Vaidyanathan, and Cathryn Clarke Murray. "Stability and reliability of regional cumulative impact mapping: A Canadian Pacific case study." Journal of Environmental Management 371 (December 2024): 123105. http://dx.doi.org/10.1016/j.jenvman.2024.123105.

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Mailhot, Tanya, Sylvie Cossette, Jean Lambert, et al. "Delirium After Cardiac Surgery and Cumulative Fluid Balance: A Case-Control Cohort Study." Journal of Cardiothoracic and Vascular Anesthesia 33, no. 1 (2019): 93–101. http://dx.doi.org/10.1053/j.jvca.2018.07.012.

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Andrienko, Natalia, and Gennady Andrienko. "Cumulative curves for exploration of demographic data: a case study of Northwest England." Computational Statistics 19, no. 1 (2004): 9–28. http://dx.doi.org/10.1007/bf02915274.

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Rugh, Jacob S., Len Albright, and Douglas S. Massey. "Race, Space, and Cumulative Disadvantage: A Case Study of the Subprime Lending Collapse." Social Problems 62, no. 2 (2015): 186–218. http://dx.doi.org/10.1093/socpro/spv002.

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Jensen, Craig D. "Sonoran pronghorn, cumulative impacts and the Endangered Species Act: A litigation case study." Federal Facilities Environmental Journal 13, no. 3 (2002): 29–39. http://dx.doi.org/10.1002/ffej.10043.

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Vanichvatana, Sonthya. "Who uses home as informal learning spaces: A Bangkok private university case study." World Journal on Educational Technology: Current Issues 12, no. 1 (2020): 37–47. http://dx.doi.org/10.18844/wjet.v12i1.4416.

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Home is one type of off-campus informal learning spaces (ILS). It is important to understand the behaviours of students who use home as ILS. Such information will enlighten universities to provide/improve proper on-campus ILS and/or other academic supports. This research used a quantitative approach through an online questionnaire survey during February 2019. This study used business students at a Bangkok private university as a case study. The descriptive analysis was done according to students’ cumulative grade point average (CGPA) and undergraduate levels. The results revealed how and why s

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Nekoonam, Mahdi, Hooman Rahimi, and Keyvan Ahzan. "Evaluation of urban transportation indicators with emphasis on sustainable development (Case study: Andishe New City)." Journal of Research in Science, Engineering and Technology 5, no. 04 (2019): 50–58. http://dx.doi.org/10.24200/jrset.vol5iss04pp50-58.

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This research aims on evaluation and prioritization urban transport sustainability indexes in Andisheh new city by descriptive-analytical methodology and application of factor analysis method. Surveying method was used in this research through questionnaire to collect data. Statistical population of this research was all citizens of Andisheh city. Sample volume was selected 383 persons by Cochran general formula, and simple random sampling and multistage clustering sampling methods were used to select sample population. Factor analysis statistics tests and T-test in SPSS software were used to

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Kotsyumbas, I. Ja, O. M. Brezvyn, Y. A. Ivashkiv, H. V. Rudyk, and Ju V. Muzika. "STUDY OF THE CUMULATIVE PROPERTIES OF «INDEZ» ON LABORATORY WHITE RATES." Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology 21, no. 1 (2020): 98–104. http://dx.doi.org/10.36359/scivp.2020-21-1.11.

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The article presents the results of the study of «Indez» disinfectant. An effective disinfectant for use in animal husbandry should be easy to use, be non-toxic, have broad bactericidal spectrum, be non-carcinogenic, have non-addictive micro-flora and provide a permanent bactericidal effect in the presence of animals, while sanitizing the air environment. «Indez» disinfectant is a small, amorphous grey powder with a specific odour, well sprayed. It is composed of triiodomethane (iodoform), zinc oxide, iron sulphate (II) (iron sulphate), copper sulphate, silicon dioxide, zeolite, active essenti

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S., G. Walke, and Kumar Atul. "Financial analysis of agritourism operations: A case study." MERC Global's International Journal of Management 5, no. 4 (2017): 136–42. https://doi.org/10.5281/zenodo.6685943.

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Due to a convergence of global market dynamics, rising costs, and urbanization pressure Indian farmers are enforced to unearth innovative ways of diversification. The main objective of the research was to analyse the financial potential of the Agritourism business and evaluate the results to conclude whether Agritourism can provide an alternative source of income to the farmers for their sustainable development. The study is also aimed at providing authentic research-based information on Agritourism to aspiring farmers to assist them in making the decision of starting up of this new business v

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Aldambi, Abdulla Ali, and Abbas Mohamed Al-Khudafi. "Impact of physical properties on material balance calculations: case study AL-Nasr oil field, Shabwah Governorate." University of Aden Journal of Natural and Applied Sciences 25, no. 1 (2022): 133–46. http://dx.doi.org/10.47372/uajnas.2021.n1.a11.

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The accuracy of many petroleum engineering calculations (e.g., material balance calculations, reserve estimation, well test analysis, advanced production data analysis, nodal analysis, surface network modeling, surface separation, and numerical reservoir simulations) largely depends on the accuracy of the data on pressure, volume, and temperature (PVT). An approach to improve the material balance calculation method is presented in this study. To achieve the objective, PVTP and MBAL Software programs were applied. PVT model was built by different methods. Software was implemented to calculate s

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Lynch, Christopher J., and Ross Gore. "Short-Range Forecasting of COVID-19 During Early Onset at County, Health District, and State Geographic Levels Using Seven Methods: Comparative Forecasting Study." Journal of Medical Internet Research 23, no. 3 (2021): e24925. http://dx.doi.org/10.2196/24925.

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Background Forecasting methods rely on trends and averages of prior observations to forecast COVID-19 case counts. COVID-19 forecasts have received much media attention, and numerous platforms have been created to inform the public. However, forecasting effectiveness varies by geographic scope and is affected by changing assumptions in behaviors and preventative measures in response to the pandemic. Due to time requirements for developing a COVID-19 vaccine, evidence is needed to inform short-term forecasting method selection at county, health district, and state levels. Objective COVID-19 for

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Fajar, Muhammad. "PEMODELAN PARAMETRIK KURVA PERTUMBUHAN EPIDEMI COVID-19 DI INDONESIA." Jurnal Matematika dan Sains 25, no. 2 (2020): 45–48. http://dx.doi.org/10.5614/jms.2020.25.2.4.

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The purpose of this study is to carry out parametric modeling of the COVID-19 epidemic growth curve so that the maximum value of the cumulative COVID-19 case and the time when it reaches that maximum point can be obtained. The data used in this study is the cumulative number of COVID-19 positive confirmed cases originating from www.covid19.go.id. The method used in this study is fitting data with the Logistic and Gompertz models. The results obtained from this study are (1) the Logistic and Gompertz mod-els are very fit in modeling the COVID-19 epidemic growth curve, indicated from the value o

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Zhong, Xueli, Xiaoshun Li, and Yongfeng Li. "Urban Expansion and Carbon Emission Logistic Curve Hypothesis and Its Verification: A Case Study of Jiangsu Province." Land 11, no. 7 (2022): 1066. http://dx.doi.org/10.3390/land11071066.

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Based on the general patterns of urban expansion and carbon emissions at home and abroad, the IPCC carbon emission coefficient estimation method and logistic equation are applied to verify the logistic curve relationship between urban expansion and carbon emissions and to quantitatively measure the upper limit of carbon emissions and the inflection point of carbon emission growth. The results show that (1) the corresponding cumulative carbon emission intensity of foreign (regional) urban expansion gradually decreases during the transition from the primary stage to the saturation stage; (2) urb

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Eiswerth, Mark E., Loretta Singletary, John R. Zimmerman, and Wayne S. Johnson. "Dynamic Benefit–Cost Analysis for Controlling Perennial Pepperweed (Lepidium latifolium): A Case Study." Weed Technology 19, no. 2 (2005): 237–43. http://dx.doi.org/10.1614/wt-04-136r.

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Perennial pepperweed, found throughout the western United States, reduces biodiversity and causes economic losses in the form of control costs as well as decreased quantity and quality of agricultural yields. The future stream of net benefits of weed management and the future point in time at which they will have accumulated enough to equal total management costs were estimated under different land-use and expansion rate scenarios. Benefits and costs were calculated in present value terms by applying a rate of discount to future values. On land used solely for grazing, the total economic retur

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Abraham, Aidoo Borsah, Annan Boah Evans, and Brantson Eric Thompson. "Analysis of Spatial Distribution Pattern of Reservoir Petrophysical Properties for Horizontal Well Performance Evaluation-A Case Study of Reservoir X." Open Petroleum Engineering Journal 12, no. 1 (2019): 1–13. http://dx.doi.org/10.2174/1874834101912010001.

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Introduction: Building a large number of static models to analyze reservoir performance is vital in reservoir development planning. For the purpose of maximizing oil recovery, reservoir behavior must be modelled properly to predict its performance. This requires the study of the variation of the reservoir petrophysical properties as a function of spatial location. Methods: In recent times, the method used to analyze reservoir behavior is the use of reservoir simulation. Hence, this study seeks to analyze the spatial distribution pattern of reservoir petrophysical properties such as porosity, p

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Xin, Feifei, Yifan Chen, and Yitong Ye. "Understanding Electric Bicycle Users’ Mode Choice Preference under Uncertainty: A Case Study of Shanghai." Sustainability 14, no. 2 (2022): 925. http://dx.doi.org/10.3390/su14020925.

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The electric bicycle is considered as an environmentally friendly mode, the market share of which is growing fast worldwide. Even in metropolitan areas which have a well-developed public transportation system, the usage of electric bicycles continues to grow. Compared with bicycles, the power transferred from the battery enables users to ride faster and have long-distance trips. However, research on electric bicycle travel behavior is inadequate. This paper proposes a cumulative prospect theory (CPT) framework to describe electric bicycle users’ mode choice behavior. Different from the long-st

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Xin, Dai, and Tianshan Ma. "Commuter Travel Behavior Modeling in Metropolitan Areas Based on Cumulative Prospect Theory: A Case Study of Xi’an, China." Complexity 2024 (January 30, 2024): 1–10. http://dx.doi.org/10.1155/2024/8867264.

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A metropolitan area is a new form of urban development under the agglomeration effect and scale economy. The renewal and upgrading of urban spatial structures have brought new pressure to urban commuting. Under the new form of the metropolitan area, the process of regional integration has accelerated, and long-distance extreme commuting has increased. New changes have taken place in the travel structure. This paper constructs a travel behavior selection model for office workers based on the cumulative prospect theory, introduces the value of commuting travel time into the generalized travel co

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Scanlon, Bridget R., Robert C. Reedy, and Brad D. Wolaver. "Assessing cumulative water impacts from shale oil and gas production: Permian Basin case study." Science of The Total Environment 811 (March 2022): 152306. http://dx.doi.org/10.1016/j.scitotenv.2021.152306.

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Lunn, David J., Jon Wakefield, and Amy Racine-Poon. "Cumulative logit models for ordinal data: a case study involving allergic rhinitis severity scores." Statistics in Medicine 20, no. 15 (2001): 2261–85. http://dx.doi.org/10.1002/sim.922.

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Jansen, F. M., S. Lubeek, N. den Broeder, et al. "P589 Total thiopurine exposure and impact on the development of keratinocyte carcinomas in Inflammatory Bowel Disease patients; a case control study." Journal of Crohn's and Colitis 16, Supplement_1 (2022): i525—i526. http://dx.doi.org/10.1093/ecco-jcc/jjab232.715.

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Abstract Background Keratinocyte skin cancer (KSC) including basal-cell carcinomas (BCC) and cutaneous squamous cell carcinomas (SCC), is the most prevalent cancer-type in the Netherlands with an increasing incidence and impact on morbidity. In addition to ultraviolet radiation (UVR), thiopurines used in patients with inflammatory bowel disease (IBD), are associated with KSC development. It is unclear whether this is a dose response relationship. The aim of this study was to investigate the association between the cumulative dose of thiopurines and the development of KSCs in IBD patients. Meth

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Cazzoletti, Lucia, Maria Elisabetta Zanolin, Ilaria Tocco Tussardi, et al. "Risk Factors Associated with Nursing Home COVID-19 Outbreaks: A Retrospective Cohort Study." International Journal of Environmental Research and Public Health 18, no. 16 (2021): 8434. http://dx.doi.org/10.3390/ijerph18168434.

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Background: The coronavirus disease 2019 (COVID-19) pandemic had a devastating impact on nursing homes/long-term care facilities. This study examined the relationship between geography, size, design, organizational characteristics, and implementation of infection prevention and control (IPC) measures and the extent of COVID-19 outbreaks in nursing homes in the Autonomous Province of Trento (Italy) during the time frame of March-May 2020. Methods: The analysis included 57 nursing homes (5145 beds). The association between median cumulative incidence of COVID-19 cases among residents and charact

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Airoldi, Chiara, Daniela Ferrante, Dario Mirabelli, Danila Azzolina, and Corrado Magnani. "Evaluation of Nonresponse Bias in a Case–Control Study of Pleural Mesothelioma." International Journal of Environmental Research and Public Health 17, no. 17 (2020): 6146. http://dx.doi.org/10.3390/ijerph17176146.

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Nonparticipation limits the power of epidemiological studies, and can cause bias. In a case–control study on pleural malignant mesothelioma (MM), we found low participation in interviews (63%) among controls. Our goal was to characterize nonresponder controls and assess nonresponse bias in our study. We selected all nonresponder controls (204) and a random sample of responder controls (174). Data were obtained linking hospital admissions and town registrars, and concordance between sources was assessed. Nonresponse bias was evaluated using a logistic regression model applying the inverse proba

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