Relevant bibliographies by topics / Optimum sample size

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Optimum sample size'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Optimum sample size"

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Cho, Dooyong, Fazil T. Najafi, and Peter A. Kopac. "Determining Optimum Acceptance Sample Size." Transportation Research Record: Journal of the Transportation Research Board 2228, no. 1 (2011): 61–69. http://dx.doi.org/10.3141/2228-08.

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Pelkowitz, L., and S. C. Schwarts. "Asymptotically Optimum Sample Size for Quickest Detection." IEEE Transactions on Aerospace and Electronic Systems AES-23, no. 2 (1987): 263–72. http://dx.doi.org/10.1109/taes.1987.313381.

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Song, Xiaolan, Pradipta Sarkar, and William Veronesi. "Virtual Inspection: Optimum Sample Size for POD Experiment." Quality Engineering 14, no. 4 (2002): 623–44. http://dx.doi.org/10.1081/qen-120003563.

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Gharaibeh, Nasir G., Sabrina I. Garber, and Litao Liu. "Determining Optimum Sample Size for Percent-Within-Limits Specifications." Transportation Research Record: Journal of the Transportation Research Board 2151, no. 1 (2010): 77–83. http://dx.doi.org/10.3141/2151-10.

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Otis, David L. "Optimum Sample Size Allocation for Wood Duck Banding Studies." Journal of Wildlife Management 58, no. 1 (1994): 114. http://dx.doi.org/10.2307/3809557.

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Ukrainskiy, Pavel. "Еmpirical method for estimation of the optimum size of random point samples for assessment areas of land cover from space images". InterCarto. InterGIS 27, № 2 (2021): 368–78. http://dx.doi.org/10.35595/2414-9179-2021-2-27-368-378.

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A promising fast method for estimating land cover areas from satellite imagery is the use of random point sampling. This method allows you to obtain area values without spatially continuous mapping of land areas. The accuracy of the area estimate by this method depends on the sample size. The presented work describes a method for empirically finding the optimal sample size. To use this method, you must select a key site for which a reference land cover exists. For the key site, we perform multiple generation of samples of different sizes. Further, using these samples, we estimate the area of l
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Nanni, Marcos Rafael, Fabrício Pinheiro Povh, José Alexandre Melo Demattê, Roney Berti de Oliveira, Marcelo Luiz Chicati, and Everson Cezar. "Optimum size in grid soil sampling for variable rate application in site-specific management." Scientia Agricola 68, no. 3 (2011): 386–92. http://dx.doi.org/10.1590/s0103-90162011000300017.

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The importance of understanding spatial variability of soils is connected to crop management planning. This understanding makes it possible to treat soil not as a uniform, but a variable entity, and it enables site-specific management to increase production efficiency, which is the target of precision agriculture. Questions remain as the optimum soil sampling interval needed to make site-specific fertilizer recommendations in Brazil. The objectives of this study were: i) to evaluate the spatial variability of the main attributes that influence fertilization recommendations, using georeferenced
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Indira, V., R. Vasanthakumari, N. R. Sakthivel, and V. Sugumaran. "Determination of sample size using power analysis and optimum bin size of histogram features." International Journal of Data Analysis Techniques and Strategies 3, no. 1 (2011): 21. http://dx.doi.org/10.1504/ijdats.2011.038804.

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Islam, Md Saiful. "Estimation of optimum sample size and number of replications in split-split plot design." Bangladesh Journal of Agricultural Research 32, no. 3 (2008): 403–11. http://dx.doi.org/10.3329/bjar.v32i3.542.

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In field experiments, it is necessary to determine the optimum sample size as well as optimum number of replications if researchers have to use sampling techniques for collecting data from such experiments. Estimates of such optimum sample size and number of replications has been determined for split-split plot design minimizing the variance for a given cost of the experiment per treatment.DOI: http://dx.doi.org/10.3329/bjar.v32i3.542Bangladesh J. Agril. Res. 32(3) : 403-411, September 2007
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Singh, A., and G. Singh. "ESTIMATION OF OPTIMUM SAMPLE SIZE FOR DIFFERENT CHARACTERS OF GUAVA VARIETIES." Acta Horticulturae, no. 735 (March 2007): 325–27. http://dx.doi.org/10.17660/actahortic.2007.735.45.

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Dissertations / Theses on the topic "Optimum sample size"

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Hathaway, John Ellis. "Determining the Optimum Number of Increments in Composite Sampling." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/425.

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Composite sampling can be more cost effective than simple random sampling. This paper considers how to determine the optimum number of increments to use in composite sampling. Composite sampling terminology and theory are outlined and a model is developed which accounts for different sources of variation in compositing and data analysis. This model is used to define and understand the process of determining the optimum number of increments that should be used in forming a composite. The blending variance is shown to have a smaller range of possible values than previously reported when estimati
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Feijó, Sandra. "Técnicas para execução de experimentos sob ambiente protegido para a cultura da abobrinha italiana." Universidade Federal de Santa Maria, 2005. http://repositorio.ufsm.br/handle/1/3178.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>In order to determinate technicals to execution trials in protected environments for italian pumpkin was accomplished an experiment, from 18/08/2003 to 07/12/2003, in the area of the Department of Fitotecnia UFSM, in plastic greenhouse, with four rows and each row consisted of twenty-four plants. A total of twenty-seven harvests were made, evaluating fruit weight with length ≥15cm. The sample soil was sampled before accomplishment the experiment; one sample point is equal to four sub sample. The Smith heterogeneity index was e
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Medeiros, José António Amaro Correia. "Optimal sample size for assessing bacterioneuston structural diversity." Master's thesis, Universidade de Aveiro, 2011. http://hdl.handle.net/10773/10901.

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Mestrado em Biologia Aplicada - Microbiologia Clínica e Ambiental<br>The surface microlayer (SML) is located at the interface atmospherehydrosphere and is theoretically defined as the top millimeter of the water column. However, the SML is operationally defined according to the sampling method used and the thickness varies with weather conditions and organic matter content, among other factors. The SML is a very dynamic compartment of the water column involved in the process of transport of materials between the hydrosphere and the atmosphere. Bacterial communities inhabiting the SML (b
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Thach, Chau Thuy. "Self-designing optimal group sequential clinical trials /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/9585.

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Takazawa, Akira. "Optimal decision criteria for the study design and sample size of a biomarker-driven phase III trial." Kyoto University, 2020. http://hdl.handle.net/2433/253492.

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Fitton, N. V. "Why and How to Report Distributions of Optima in Experiments on Heuristic Algorithms." University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1006054556.

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Brungard, Colby W. "Alternative Sampling and Analysis Methods for Digital Soil Mapping in Southwestern Utah." DigitalCommons@USU, 2009. http://digitalcommons.usu.edu/etd/472.

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Digital soil mapping (DSM) relies on quantitative relationships between easily measured environmental covariates and field and laboratory data. We applied innovative sampling and inference techniques to predict the distribution of soil attributes, taxonomic classes, and dominant vegetation across a 30,000-ha complex Great Basin landscape in southwestern Utah. This arid rangeland was characterized by rugged topography, diverse vegetation, and intricate geology. Environmental covariates calculated from digital elevation models (DEM) and spectral satellite data were used to represent factors cont
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Kothawade, Manish. "A Bayesian Method for Planning Reliability Demonstration Tests for Multi-Component Systems." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1416154538.

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Vong, Camille. "Model-Based Optimization of Clinical Trial Designs." Doctoral thesis, Uppsala universitet, Institutionen för farmaceutisk biovetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-233445.

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General attrition rates in drug development pipeline have been recognized as a necessity to shift gears towards new methodologies that allow earlier and correct decisions, and the optimal use of all information accrued throughout the process. The quantitative science of pharmacometrics using pharmacokinetic-pharmacodynamic models was identified as one of the strategies core to this renaissance. Coupled with Optimal Design (OD), they constitute together an attractive toolkit to usher more rapidly and successfully new agents to marketing approval. The general aim of this thesis was to investigat
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Her, Chi-Way, and 何淇瑋. "The Optimal Sample Size For Interval Estimation Of Correlation Coefficient." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/20731985747790441131.

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碩士<br>國立交通大學<br>管理科學系所<br>99<br>As the degree of correlation between two variables is one of concern to many social science issues, thus using the sample correlation coefficient to infer population correlation coefficient is a common method. However, the decision of the optimum sample size for the entire study will save a lot of time and cost. Traditionally, the sample size determination in addition to hypothesis testing method, this research will introduce the expected interval length method and the expected interval coverage probability method. Expected interval coverage probability method i
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Books on the topic "Optimum sample size"

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Baxter-Jones, Adam DG. Growth and maturation. Edited by Neil Armstrong and Willem van Mechelen. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198757672.003.0002.

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As children grow they increase in size and maturity. While growth refers to changes in size and complexity of tissue composition, maturation is the progressive achievement of adult status. A child’s growth status is an important determinant of current and lifelong health. Regular physical activity is required to obtain optimal growth. Normal healthy children show the same patterns of growth in terms of attainment of size and changes in proportionality. However, growth is not a linear process; the speed of statural growth decreases during infancy, is relatively constant during childhood, and ac
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Najavits, Lisa M., and Melissa L. Anderson. Psychosocial Treatments for Posttraumatic Stress Disorder. Oxford University Press, 2015. http://dx.doi.org/10.1093/med:psych/9780199342211.003.0018.

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Treatments for posttraumatic stress disorder (PTSD) work better than treatment as usual; average effect sizes are in the moderate to high range. A variety of treatments have been established as effective, with no one treatment having superiority. Both present-focused and past-focused treatment models work (neither consistently outperforms the other). Areas of future development include training, dissemination, client access to care, optimal delivery modes, and mechanisms of action. Methodological issues include improving research reporting, broadening study samples, and greater use of active c
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Ramdass, Ranjit. Neurophysiology in the assessment of inflammatory myopathies. Edited by Hector Chinoy and Robert Cooper. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198754121.003.0015.

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Clinical neurophysiology (electrodiagnosis) includes the assessment of peripheral nerves by electrical stimulation (nerve conduction studies, NCS) and needle examination of muscles (electromyography, EMG). Electrodiagnostic assessment is a functional extension of clinical examination into the laboratory. It plays an important role in the investigation of a patient suspected of having myositis, providing valuable information regarding peripheral nerve, neuromuscular junction and muscle functions, to better characterize clinical syndromes. NCS can establish the presence and quantify the severity
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Bartkowicz, Leszek. Tekstura drzewostanów naturalnych w polskich parkach narodowych na tle teorii dynamiki lasu. Publishing House of the University of Agriculture in Krakow, 2021. http://dx.doi.org/10.15576/978-83-66602-20-5.

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The aim of the study was to compare a patch-mosaic pattern in the old-growth forest stands developed in various climate and soil conditions occurring in different regions of Poland. Based on the assumption, that the patch-mosaic pattern in the forest reflect the dynamic processes taking place in it, and that each type of forest ecosystem is characterized by a specific regime of natural disturbances, the following hypotheses were formulated: (i) the patches with a complex structure in stands composed of latesuccessional, shade-tolerant tree species are more common than those composed of early-s
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Boyce, Lee, and Melody Schoenfeld. Strength Training for All Body Types. Human Kinetics, 2023. https://doi.org/10.5040/9781718241060.

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Every person's body is different. Short, tall, or big all over, training should be designed to accommodate an athlete's different joint angles, bone lengths, and overall body structure. In Strength Training for All Body Types: The Science of Lifting and Levers, Lee Boyce and Melody Schoenfeld have teamed up to create a unique resource that explains how different bodies manage various exercises and how to best take advantage of physical attributes to optimize those movements. Strength Training for All Body Types covers 13 body types: • Tall • Short • Big all over • Short arms and long legs • Sh
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Zydroń, Tymoteusz. Wpływ systemów korzeniowych wybranych gatunków drzew na przyrost wytrzymałości gruntu na ścinanie. Publishing House of the University of Agriculture in Krakow, 2019. http://dx.doi.org/10.15576/978-83-66602-46-5.

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The aim of the paper was to determine the influence of root systems of chosen tree species found in the Polish Flysch Carpathians on the increase of soil shear strength (root cohesion) in terms of slope stability. The paper's goal was achieved through comprehensive tests on root systems of eight relatively common in the Polish Flysch Carpathians tree species. The tests that were carried out included field work, laboratory work and analytical calculations. As part of the field work, the root area ratio (A IA) of the roots was determined using the method of profiling the walls of the trench at a
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Book chapters on the topic "Optimum sample size"

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Baronov, David. "Optimal Sample Size—or Benign Manipulation, the Good Kind." In Biostatistics. Routledge, 2022. http://dx.doi.org/10.4324/9781003316985-8.

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Kuß, Uwe. "C-Optimal Decisions with Optimality Properties for Finite Sample Size." In Contributions to Econometrics and Statistics Today. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-70189-4_15.

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Zhang, Lanju, Lu Cui, and Yaoyao Xu. "Optimal Adaptive Phase III Design with Interim Sample Size and Dose Determination." In Contemporary Biostatistics with Biopharmaceutical Applications. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15310-6_10.

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Roy, Sudipto, and Jigyasu Dubey. "Optimal Sample Size Calculation for Machine Learning Based Analysis for Suicide Ideation." In Communications in Computer and Information Science. Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-22485-0_18.

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De Santis, Fulvio, and Stefania Gubbiotti. "Optimal Sample Size for Evidence and Consensus in Phase III Clinical Trials." In AIRO Springer Series. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-95380-5_20.

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Zaman, Md Faisal, and Hideo Hirose. "Estimation of Optimal Sample Size of Decision Forest with SVM Using Embedded Cross-Validation Method." In Intelligent Information and Database Systems. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20042-7_28.

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Gnecco, Giorgio, and Federico Nutarelli. "Optimal Trade-Off Between Sample Size and Precision of Supervision for the Fixed Effects Panel Data Model." In Machine Learning, Optimization, and Data Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-37599-7_44.

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Brungard, C. W., and J. L. Boettinger. "Conditioned Latin Hypercube Sampling: Optimal Sample Size for Digital Soil Mapping of Arid Rangelands in Utah, USA." In Digital Soil Mapping. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-8863-5_6.

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Viaene, Nicole, Johannes Hallmann, and Leendert P. G. Molendijk. "Methods for nematode extraction." In Techniques for work with plant and soil nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781786391759.0012.

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Abstract Nematodes can be present in different matrices. This chapter describes several methods to extract nematodes from soil and plant parts. It is crucial that an appropriate method is chosen for the purpose of the research as different types of nematodes, and even different nematode stages, are extracted depending on the method. Factors to consider for choosing the optimal extraction method are the extraction efficiency of the method, the maximum sample size that can be analysed and costs of the extraction equipment. In addition, water consumption, labour and the time needed before nematod
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Viaene, Nicole, Johannes Hallmann, and Leendert P. G. Molendijk. "Methods for nematode extraction." In Techniques for work with plant and soil nematodes. CABI, 2021. http://dx.doi.org/10.1079/9781786391759.0002.

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Abstract Nematodes can be present in different matrices. This chapter describes several methods to extract nematodes from soil and plant parts. It is crucial that an appropriate method is chosen for the purpose of the research as different types of nematodes, and even different nematode stages, are extracted depending on the method. Factors to consider for choosing the optimal extraction method are the extraction efficiency of the method, the maximum sample size that can be analysed and costs of the extraction equipment. In addition, water consumption, labour and the time needed before nematod
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Conference papers on the topic "Optimum sample size"

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Osnowski, Andy, Harry Grover, Scott Rankin, Jenni Howe, and Fiona Carson. "On-Site Corrosion Inhibitor Detection for Improved Corrosion Management." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16792.

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Abstract Corrosion inhibitors are widely used across the oil and gas industry to protect valuable infrastructure and manage corrosion issues. It is critical these chemicals are applied at a suitable dose: too much chemical can cause emulsion problems and increase OPEX, while too little chemical can leave a system at risk. The detection of corrosion inhibitor micelles can be used to identify the optimum dose. Micelles are nanoscale aggregates and identifying them in complex oilfield fluids, which often consist of multiple phases, is extremely challenging. The first-generation micelle detection
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Yuandri, Ryan Jonathan, Udjianna S. Pasaribu, Utriweni Mukhaiyar, and Mohamad N. Heriwan. "Minimum sample size and optimum depth difference study based on time-series analysis of gamma-ray log data." In PROCEEDING OF INTERNATIONAL CONFERENCE ON FRONTIERS OF SCIENCE AND TECHNOLOGY 2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0102509.

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Farnood, Ramin, Darryl Ngai, and Ning Yan. "Revisiting the Random Disk Model: Decomposition of Paper Structure Using Randomly Deposited Disks with Arbitrary Size Distributions." In Advances in Pulp and Paper Research, Cambridge 2013, edited by S. J. I’ Anson. Fundamental Research Committee (FRC), Manchester, 2013. http://dx.doi.org/10.15376/frc.2013.1.41.

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In this study, a numerical algorithm was developed to decompose the planar mass structure of paper into a random array of grey disks with a discrete size distribution. The optimum size and the frequency of these disks were determined such that the second order statistics of the corresponding random disk structure resembled that of the paper sample. Using this method, eighty two (82) commercial and laboratory-made samples were analyzed. It was found that; independent of the forming conditions, the average disk size was proportional to the standard deviation of the disk size distribution. The ut
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Kempe, M., J. Wong, and A. Z. Genack. "Confocal spatial filtering for imaging with ballistic light in transillumination." In Advances in Optical Imaging and Photon Migration. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/aoipm.1996.pmst25.

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The detection of ballistic and diffuse light in confocal imaging in transillumination is investigated. We find an optimum pinhole size for detection of ballistic and suppression of diffuse light. The limits of confocal imaging with ballistic light are primarily determined by sample parameters. Spherical aberration introduced by the sample is a major limiting factor for high resolution imaging. In the aberration free case and for sample and illumination characteristics which are typical for biomedical imaging, the limits of ballistic light detection in confocal imaging are close to the noise li
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Hess, Timothy, Beshoy Morkos, Mark Bowman, and Joshua D. Summers. "Cross Analysis of Metal Foam Design Parameters for Achieving Desired Fluid Flow." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-64916.

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This paper presents an experimental study of air flow through open cell metal foams for use as a thermal energy dissipating system. The goal of this paper is to identify the optimum configuration of metal foam design parameters for maximum flow. Four foam blocks were used in the study, representing a range of design parameters: material (copper or aluminum), pore size (5–10 pores per inch), and relative density (ε = 0.875–0.952). The effects of pore size were isolated by comparing air flow through three aluminum foam blocks with constant density and varied pore size. A series of wind tunnel te
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Sharma, Arjun, Tariq S. Khan, Ebrahim Al Hajri, and Md Islam. "Morphological Characterization of Fouling on Air Cooled Fin Fan Heat Exchangers." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66972.

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In today’s fast growing world where availability of energy has become a major concern, the cost of performance demands optimum heat exchange performance over extended periods of operational times. Fouling is one major factor that drastically affects heat exchanger performance. Most of the oil &amp; gas processing plants in the Middle East are located in deserts. Due to scarcity of water most of the installed heat exchangers are air-cooled. These heat exchangers are at high risk of low performance due to dusty/sticky particulate fouling. In order to identify possible active/passive methods to c
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Vanderlinde, William E., and Don Chernoff. "X-Ray Nanoanalysis in the SEM." In ISTFA 2005. ASM International, 2005. http://dx.doi.org/10.31399/asm.cp.istfa2005p0370.

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Abstract Scanning electron microscopy (SEM)/energy dispersive x-ray spectroscopy (EDS) is generally thought of as a bulk analysis technique that is not suited for nano-scale analysis. This paper discusses several options for reducing or eliminating the interaction volume size and obtaining x-ray data with much higher spatial resolution and surface sensitivity than is typically achieved in the SEM. These include collecting data at very low accelerating voltages to minimize beam spread in the sample, tilting the sample to keep the interaction volume near the surface, and analyzing thin sections
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Arnone, Joshua C., Carol V. Ward, Gregory J. Della Rocca, Brett D. Crist, and A. Sherif El-Gizawy. "Simulation-Based Design of Orthopedic Trauma Implants." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40936.

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A computer-aided simulation model is developed to aid in the design and optimization of orthopaedic trauma implants. The developed model uses digital imaging, computer-aided solid modeling, and finite element methods in order to study the effects of various geometric parameters of fixation devices in orthopedic surgery practice. The results of the present simulation model would lead to the determination of the optimum implant design that provides the best match with the geometry of the human femur — reducing the risk of over-stressing bone tissue during implant insertion. The effectiveness of
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Qi, Min, Yueying Wang, and Jia Liu. "Probabilistic Distribution of Parameters Applied to PFM Analysis for Piping in China Experimental Fast Reactor." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-16520.

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The safety assessment method based on probabilistic fracture mechanics (PFM) is well applied to pressure vessel and piping. The PFM analysis is more reasonable and reliable than determinate fracture mechanics (DFM) method. In PFM analysis, the uncertainty of main assessment parameters, such as loads, material character parameters, structure dimension and defect sizes are considered to be random, and the probabilistic distribution of these parameters are determined with the theory of probability statistics. Related to the practical engineering of China experimental fast reactor (CEFR), this pap
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Jimmy, Dorcas, Emenike Wami, and Michael Ifeanyi Ogba. "Cuttings Lifting Coefficient Model: A Criteria for Cuttings Lifting and Hole Cleaning Quality of Mud in Drilling Optimization." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/212004-ms.

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Abstract In this study, the hole cleaning qualities of mud samples formulated with tigernut derivatives – starch and fibre – as additives were determined by adding drill cuttings as impurities and evaluating the Carrying Capacity Index (CCI) as well as Transport Index (TI) of the muds. Results of the analysis conducted for the mud properties showed that all the different mud properties but the pH of the mud evaluated of mud samples B, C1, C2, and C3 were slightly higher (albeit within the recommended values) than those of the control (standard) mud sample A. Using the results obtained from mud
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Reports on the topic "Optimum sample size"

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Cressie, Noel, and Jonathan Biele. A Sample-Size Optimal Bayesian Procedure for Sequential Pharmaceutical Trials. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada248512.

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Darling, Arthur H., and William J. Vaughan. The Optimal Sample Size for Contingent Valuation Surveys: Applications to Project Analysis. Inter-American Development Bank, 2000. http://dx.doi.org/10.18235/0008824.

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One of the first questions that has to be answered in the survey design process is "How many subjects should be interviewed?" The answer can have significant implications for the cost of project preparation, since in Latin America and the Caribbean costs per interview can range from US$20 to US$100. Traditionally, the sample size question has been answered in an unsatisfactory way by either dividing an exogenously fixed survey budget by the cost per interview or by employing some variant of a standard statistical tolerance interval formula. The answer is not to be found in the environmental ec
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Kott, Phillip S. Calibration-Weighting a Stratified Simple Random Sample with SUDAAN. RTI Press, 2022. http://dx.doi.org/10.3768/rtipress.2022.mr.0048.2204.

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This report shows how to apply the calibration-weighting procedures in SAS-callable SUDAAN (Version 11) to a stratified simple random sample drawn from a complete list frame for an establishment survey. The results are calibrated weights produced via raking, raking to a size variable, and pseudo-optimal calibration that potentially reduce and appropriately measure the standard errors of estimated totals. The report then shows how to use these procedures to remove selection bias caused by unit nonresponse under a plausible response model. Although unit nonresponse is usually assumed to be a fun
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Shivakumar, Pranavkumar, Kanika Gupta, Antonio Bobet, Boonam Shin, and Peter J. Becker. Estimating Strength from Stiffness for Chemically Treated Soils. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317383.

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The central theme of this study is to identify strength-stiffness correlations for chemically treated subgrade soils in Indiana. This was done by conducting Unconfined Compression (UC) Tests and Resilient Modulus Tests for soils collected at three different sites—US-31, SR-37, and I-65. At each site, soil samples were obtained from 11 locations at 30 ft spacing. The soils were treated in the laboratory with cement, using the same proportions used for construction, and cured for 7 and 28 days before testing. Results from the UC tests were compared with the resilient modulus results that were av
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Blundell, S., and Nicole Wayant. Local spatial dispersion for multiscale modeling of geospatial data : exploring dispersion measures to determine optimal raster data sample sizes. Engineer Research and Development Center (U.S.), 2020. http://dx.doi.org/10.21079/11681/35678.

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Reyes-Tagle, Gerardo, and Jorge E. Muñoz-Ayala. Debt and Economic Growth: Does Size Matter? Evidence from Dynamic Parametric and Static Non-parametric Approaches. Inter-American Development Bank, 2023. http://dx.doi.org/10.18235/0004818.

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This paper provides new evidence on the effect of debt on economic growth through two alternative methodological approaches. On the one hand, by using a panel error correction model with a sample of 130 countries between 1980 and 2020, we found evidence of the existence of a range of debt-to-GDP ratios for which economic growth remains positive after debt surges. This threshold may lie between 32 percent and 136 percent, with optimal economic growth achieved at an 84 percent debt-to-GDP ratio for the whole sample of countries. The error correction form for the economic growth was dynamically c
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Fent, Thomas, Stefan Wrzaczek, Gustav Feichtinger, and Andreas Novak. Fertility decline and age-structure in China and India. Verlag der Österreichischen Akademie der Wissenschaften, 2024. http://dx.doi.org/10.1553/0x003f0d14.

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China and India, two Asian countries that experienced a rapid decline in fertility since the middle of the twentieth century, are the focus of this paper. Although there is no doubt that lower fertility levels have many positive effects on the economy, development and sustainability, little is known about the optimal transition from high to medium or even low levels of fertility. Firstly, implementing policies that have the potential to reduce fertility is costly. Secondly, additional costs arise from adapting the infrastructure to a population that fluctuates quickly not only in terms of size
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Domingo, Sonny, Adrian Agbon, Ma Divina Olaguera, Anna Jennifer Umlas, Katrina Mae Zuluaga, and Celia Reyes. Barriers to Application of Weather and Climate Information in Cut Flower Production in Benguet. Philippine Institute for Development Studies, 2020. https://doi.org/10.62986/dp2020.10.

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The province of Benguet holds a competitive advantage in the production of cut flowers because of its unique weather and climate; however, the access to and use of information on weather and climate phenomena in agricultural decision making is not guaranteed despite its provision. This presents a critical issue to examine given that the changing climate situation in the region could adversely affect production and living standards without reliable sources of information for the same. In this paper, the researchers thus aimed to explore the barriers in the applications of weather and climate in
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Searcy, Stephen W., and Kalman Peleg. Adaptive Sorting of Fresh Produce. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568747.bard.

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This project includes two main parts: Development of a “Selective Wavelength Imaging Sensor” and an “Adaptive Classifiery System” for adaptive imaging and sorting of agricultural products respectively. Three different technologies were investigated for building a selectable wavelength imaging sensor: diffraction gratings, tunable filters and linear variable filters. Each technology was analyzed and evaluated as the basis for implementing the adaptive sensor. Acousto optic tunable filters were found to be most suitable for the selective wavelength imaging sensor. Consequently, a selectable wave
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Koven, William, Gordon Grau, Benny Ron, and Tetsuya Hirano. Improving fry quality, survival and growth in commercially farmed fish by dietary stimulation of thyroid hormone production in premetamorphosing larvae. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7695856.bard.

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There is a direct correlation between successful metamorphosis from larvae to post-larvae and the quality of the resultant juveniles or fry. Juvenile quality, in turn, is a major factor influencing fish production level and market price. However, following the profound morphological and physiological changes occurring during metamorphosis, the emerging juveniles in some species characteristically demonstrate heterotrophic growth, poor pigmentation, cannibalism and generally poor survival. The white grouper (Epinephelus aeneus) in Israel and the Pacific threadfin (Polydactylussexfilis) in Hawai
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