Letteratura scientifica selezionata sul tema "Stratification"

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Articoli di riviste sul tema "Stratification"

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MINWEI, QIAN, and LIU SHIDA. "SCALE EXPONENTS OF ATMOSPHERIC TURBULENCE UNDER DIFFERENT STRATIFICATIONS." Fractals 04, no. 01 (1996): 45–48. http://dx.doi.org/10.1142/s0218348x96000078.

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Wavelet analysis is used to measure directly the scale exponents of atmospheric turbulence at inertial range under different stratifications. It is found that the average values of the scale exponents under different stratifications are clearly different and are all lower than the Kolmogorov 1941 value of 1/3. The difference shows that, according to the intermittent turbulence model, turbulence under stable stratification behaves more intermittently than under unstable stratification. The reason may be that the gravity wave, which could exist only under stable stratification, modulates the sta
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Jiang, Xiandie, Guiying Li, Dengsheng Lu, Erxue Chen, and Xinliang Wei. "Stratification-Based Forest Aboveground Biomass Estimation in a Subtropical Region Using Airborne Lidar Data." Remote Sensing 12, no. 7 (2020): 1101. http://dx.doi.org/10.3390/rs12071101.

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Species-rich subtropical forests have high carbon sequestration capacity and play important roles in regional and global carbon regulation and climate changes. A timely investigation of the spatial distribution characteristics of subtropical forest aboveground biomass (AGB) is essential to assess forest carbon stocks. Lidar (light detection and ranging) is regarded as the most reliable data source for accurate estimation of forest AGB. However, previous studies that have used lidar data have often beenbased on a single model developed from the relationships between lidar-derived variables and
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Görtz, Ulrich, and Chia-Fu Yu. "Supersingular Kottwitz–Rapoport strata and Deligne–Lusztig varieties." Journal of the Institute of Mathematics of Jussieu 9, no. 2 (2009): 357–90. http://dx.doi.org/10.1017/s1474748009000218.

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AbstractWe investigate the special fibres of Siegel modular varieties with Iwahori level structure. On these spaces, we have the Newton stratification, and the Kottwitz–Rapoport (KR) stratification; one would like to understand how these stratifications are related to each other. We give a simple description of all KR strata which are entirely contained in the supersingular locus as disjoint unions of Deligne–Lusztig varieties. We also give an explicit numerical description of the KR stratification in terms of abelian varieties.
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Hall, Rob A., John M. Huthnance, and Richard G. Williams. "Internal Wave Reflection on Shelf Slopes with Depth-Varying Stratification." Journal of Physical Oceanography 43, no. 2 (2013): 248–58. http://dx.doi.org/10.1175/jpo-d-11-0192.1.

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Abstract Reflection of internal waves from sloping topography is simple to predict for uniform stratification and linear slope gradients. However, depth-varying stratification presents the complication that regions of the slope may be subcritical and other regions supercritical. Here, a numerical model is used to simulate a mode-1, M2 internal tide approaching a shelf slope with both uniform and depth-varying stratifications. The fractions of incident internal wave energy reflected back offshore and transmitted onto the shelf are diagnosed by calculating the energy flux at the base of slope (w
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Miranda, Rodrigo Otávio Veiga de, Hassan Camil David, Ângelo Augusto Ebling, Rômulo Môra, Luan Demarco Fiorentin, and Izabele Domingues Soares. "Estratificação hipsométrica em classes de sítio e de altura total em plantios clonais de eucaliptos." Advances in Forestry Science 1, no. 4 (2015): 113–19. https://doi.org/10.34062/afs.v1i4.1975.

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The employment of hypsometric relation in the forest inventory processing is a very common activity, which must be performed so that results in accurate and unbiased estimations. An attempt to increase the estimate accuracy of height is to adopt variables for stratification. The aim was to test stratification criteria of hypsometric relation in Eucalyptus sp. clonal stands. Database came from plots of continuous forest inventory of Eucalyptus grandis W. Hill ex Maiden × Eucalyptus urophylla S. T. Blake hybrid planting, located in northwest of Bahia state, Brazil, whose ages ranged from 27 to 7
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Colebrook, Claire. "‘A Grandiose Time of Coexistence’: Stratigraphy of the Anthropocene." Deleuze Studies 10, no. 4 (2016): 440–54. http://dx.doi.org/10.3366/dls.2016.0238.

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Using Deleuze and Guattari's concept of stratigraphy, it is possible to open the question of the limits and range of the Anthropocene. Geological stratification has enabled a view of time and the earth that has opened new horizons, but this mode of stratification is one among others. Other stratifications are possible, not only those that would be compossible with the story of the Anthropocene (such as the histories of capital, empire and industrialism), but also incompossible stratifications, at odds with the history of man.
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Meiqian, Wang, Zhang Changxing, Song Binghui, Liu Haiming, and Xu Wei. "Study on the mechanical properties of anisotropic red sandstone under point load strength test and uniaxial compression strength." Journal of Civil Engineering and Environmental Sciences 9, no. 2 (2023): 025–32. http://dx.doi.org/10.17352/2455-488x.000064.

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The red sandstone of Xiaopu 3# branch Cave in the Yuxi section of the Central Yunnan Water Diversion Project was taken as the research object. The uniaxial compression strength and point load strength test are conducted from the perspectives of vertical and parallel stratifications, respectively, and then the anisotropy of red sandstone was analyzed in detail. The data obtained from the field and laboratory test was analyzed, and the conversion relationship between point load strength index and uniaxial compression strength is a power function under both parallel stratification and vertical st
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Son, Ju Yeon, Hye Jin Han, Yong-Chul Cho, Taegu Kang, and Jong Kwon Im. "Seasonal Variations in the Thermal Stratification Responses and Water Quality of the Paldang Lake." Water 16, no. 21 (2024): 3057. http://dx.doi.org/10.3390/w16213057.

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We evaluated the thermal and chemical stratifications of Paldang Lake using Schmidt’s stability index (SSI) and the chemical stratification index (IC-i) with weekly data from 2013 to 2022. The temporal trends of stratification were analyzed alongside correlations with meteorological, hydrological, and water quality variables. Thermal stratification intensified with rising air temperature and sunshine duration, while hydrological factors like discharge and retention time affected SSI during periods with less than five days of water retention. During summer, fewer occurrences of intense rainfall
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Romualdi, Kristoforus Bagas. "Telaah Perubahan Stratifikasi Sosial Masyarakat Banten Sebelum Pemberontakan Tahun 1888." Keraton: Journal of History Education and Culture 5, no. 1 (2023): 15–22. http://dx.doi.org/10.32585/keraton.v5i1.4218.

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This study aims to examine changes in social stratification in Banten society before the 1888 peasant revolt in the area. The research approach used was qualitative with historical methods. The sources used in this historical method are document sources in the form of books and relevant research articles. The results of the study show that social stratification in Banten before the revolt in 1888 was divided into traditional stratification and changed to colonial. The difference between the two stratifications lies in the position, function, influence, rights, and obligations of groups occupyi
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Ortega-Legarreta, Asier, Sara Palomino-Echeverria, Estefania Huergo, et al. "ClustAll: An R package for patient stratification in complex diseases." PLOS Computational Biology 20, no. 12 (2024): e1012656. https://doi.org/10.1371/journal.pcbi.1012656.

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In the era of precision medicine, it is necessary to understand heterogeneity among patients with complex diseases to improve personalized prevention and management strategies. Here, we introduce ClustAll, a Bioconductor package designed for unsupervised patient stratification using clinical data. ClustAll is based on the previously validated methodology ClustAll, a clustering framework that effectively handles intricacies in clinical data, including mixed data types, missing values, and collinearity. Additionally, ClustAll stands out in its ability to identify multiple patient stratifications
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Tesi sul tema "Stratification"

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Lere, Audrey Weiss Pierre. "La stratification des composites." [S.l.] : [s.n.], 2008. http://castore.univ-nantes.fr/castore/GetOAIRef?idDoc=43521.

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Romero, Juan Pablo Black. "Latino immigration and racial stratification." Thesis, The University of Alabama, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3639007.

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<p> This dissertation addresses the problem of racial stratification of the Latino community in the United States from the theoretical position of critical race theory. Racial stratification for Latino residents and Latino immigrants is possible in the everyday through a series of practices that allow for persons of the community to contribute to the proliferation of race in American society by rendering race very difficult to address politically. The theoretical analysis of friendship as a form of moral aesthetics in the works of Aristotle, Kant, and Rousseau allows for a theory of race that
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Tang, Yanfei. "Stratification in Drying Particle Suspensions." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/87435.

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This thesis is on molecular dynamics studies of drying suspensions of bidisperse nanoparticle mixtures. I first use an explicit solvent model to investigate how the structure of the dry film depends on the evaporation rate of the solvent and the initial volume fractions of the nanoparticles. My simulation results show that the particle mixtures stratify according to their sizes when the suspensions are quickly dried, consistent with the prediction of recent theories. I further show that stratification can be controlled using thermophoresis induced by a thermal gradient imposed on the drying su
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Lavallee, Pierre Carleton University Dissertation Mathematics. "Some contributions to optimal stratification." Ottawa, 1987.

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Helmstetter, Craig D. P. "The stratification of political consciousness /." view abstract or download file of text, 2001. http://wwwlib.umi.com/cr/uoregon/fullcit?p3018371.

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Thesis (Ph. D.)--University of Oregon, 2001.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 196-202). Also available for download via the World Wide Web; free to University of Oregon users. Address: http://wwwlib.umi.com/cr/uoregon/fullcit?p3018371.
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Du, Juan. "Judgement post-stratification for designed experiments." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1148650477.

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Lim, Huay Huay. "Period traveling salesman with customer stratification." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/5857.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 10, 2007) Vita. Includes bibliographical references.
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Caulfield, C. P. "Stratification and buoyancy in geophysical flows." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386925.

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Li, Hei Philip, and 李曦. "Subphenotype stratification in systemic lupus erythematosus." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B48334765.

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Subsets of systemic lupus erythematosus (SLE) patients with distinct patterns of disease manifestations and autoantibody production have been reported, but seldom have these two phenomena been analysed together. Cluster analysis was performed on 1928 Chinese SLE patients based on autoantibody profile and the frequencies of various clinical manifestations were compared between each cluster. Separate association analyses between individual autoantibodies and clinical manifestations, as well as between clinical manifestations, were also performed. This study identifies three separate autoantib
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Boxall, S. R. "Thermohaline stratification in the Tyrrhenian Sea." Thesis, University of Liverpool, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370837.

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Libri sul tema "Stratification"

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Punschke, Meghan. Stratification. BlazeVOX books, 2008.

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Tanenbaum, Jessica, and Ken Lam. Social stratification. Insight Media, 2008.

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1949-, Gupta Dipankar, ed. Social stratification. Oxford University Press, 1991.

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1950-, Holmwood John, ed. Social stratification. Edward Elgar, 1996.

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1949-, Gupta Dipankar, ed. Social stratification. 2nd ed. Oxford University Press, 1992.

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Kirby, Mark. Stratification and Differentiation. Macmillan Education UK, 1999. http://dx.doi.org/10.1007/978-1-349-14233-0.

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Kidd, Warren. Stratification, culture & identity. Philip Allan Publishers, 1998.

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Rao, Adityendra. Tribal social stratification. Himanshu Publications, 1988.

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Rasmussen, B. Stratification in Kattegat. Ministry of Environment and Energy, National Environmental Research Institute, 1995.

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Rosemary, Crompton, and Mann Michael 1942-, eds. Gender and stratification. Polity Press, 1989.

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Capitoli di libri sul tema "Stratification"

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Brown, Ken A., and Ken R. Goodearl. "Stratification." In Lectures on Algebraic Quantum Groups. Birkhäuser Basel, 2002. http://dx.doi.org/10.1007/978-3-0348-8205-7_18.

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O’Donnell, Gerard. "Stratification." In Mastering Sociology. Macmillan Education UK, 1988. http://dx.doi.org/10.1007/978-1-349-10247-1_9.

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Nahler, Gerhard. "stratification." In Dictionary of Pharmaceutical Medicine. Springer Vienna, 2009. http://dx.doi.org/10.1007/978-3-211-89836-9_1337.

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O’Donnell, Gerard. "Stratification." In Mastering Sociology. Macmillan Education UK, 1994. http://dx.doi.org/10.1007/978-1-349-13434-2_9.

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Selfe, Paul. "Stratification." In Sociology a Level. Macmillan Education UK, 1993. http://dx.doi.org/10.1007/978-1-349-13854-8_7.

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O’Donnell, Gerard. "Stratification." In Mastering Sociology. Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-17914-5_9.

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Schouten, Barry, Andy Peytchev, and James Wagner. "Stratification." In Adaptive Survey Design. Chapman and Hall/CRC, 2017. http://dx.doi.org/10.1201/9781315153964-3.

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Morgan, Stephen L. "Stratification." In The New Palgrave Dictionary of Economics. Palgrave Macmillan UK, 2018. http://dx.doi.org/10.1057/978-1-349-95189-5_2290.

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Morgan, Stephen L. "Stratification." In The New Palgrave Dictionary of Economics. Palgrave Macmillan UK, 2008. http://dx.doi.org/10.1057/978-1-349-95121-5_2290-1.

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Selfe, P. L. "Stratification." In Advanced Sociology. Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-13093-1_7.

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Atti di convegni sul tema "Stratification"

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Herman, Liudmyla. "Gender stratification in global migration flows." In Achievements of Science and Education in the Modern World. PE Lesiuk T.P., 2025. https://doi.org/10.64076/iedc250614.02.

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Ji, Tian-Yun, Chao-Xin Xie, Tao Yang, I.-Chun Kuo, Shih-Lun Chen, and Liang-Hung Wang. "Risk Stratification Model of Sudden Cardiac Death." In 2024 International Conference on Consumer Electronics - Taiwan (ICCE-Taiwan). IEEE, 2024. http://dx.doi.org/10.1109/icce-taiwan62264.2024.10674244.

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Hatton, Sarah, Ellen Campana, Andreea Danielescu, and David Birchfield. "Stratification." In Proceeding of the seventh ACM conference. ACM Press, 2009. http://dx.doi.org/10.1145/1640233.1640355.

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Edosomwan, Kristian. "Instructional Stratification." In 2022 AERA Annual Meeting. AERA, 2022. http://dx.doi.org/10.3102/1893213.

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Zhao, Gang, and Pirooz Vakili. "Monotonicity and stratification." In 2008 Winter Simulation Conference (WSC). IEEE, 2008. http://dx.doi.org/10.1109/wsc.2008.4736083.

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Arrial, Victor, Giulio Guerrieri, and Delia Kesner. "Genericity Through Stratification." In LICS '24: 39th Annual ACM/IEEE Symposium on Logic in Computer Science. ACM, 2024. http://dx.doi.org/10.1145/3661814.3662113.

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Song, Yuting, Xiangyu Yun, Tian Chen, Huiyong Zhang, Jiesheng Min, and Guofei Chen. "Investigation on Gas Dispersion Inside the Large-Scale Containment by CFD Simulation With Code_Saturne for Experimental Scenario Definition." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67027.

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During accidental situations, large quantities of hydrogen are generated and released due to metal-water reaction. Eventual stratification formed in the top region of containment and locally high concentration threatens the integrity of nuclear power plants. The stratification of hydrogen may be eroded by several measures, such as air jet, spray, ventilation. So far, several activities have been carried out on the hydrogen stratification’s break-up study. The well-known OECD/SETH-2 project used PANDA and MISTRA test facilities to study this phenomenon with variable test conditions. These test
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Reynolds, Lindsay, Samantha Gillette, Jason Marder, et al. "Contact stratification and deception." In the ACM 2011 conference. ACM Press, 2011. http://dx.doi.org/10.1145/1958824.1958857.

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Benadè, Gerdus, Paul Gölz, and Ariel D. Procaccia. "No Stratification Without Representation." In EC '19: ACM Conference on Economics and Computation. ACM, 2019. http://dx.doi.org/10.1145/3328526.3329578.

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Danylevych, Olha, Dimka Karastoyanova, and Frank Leymann. "Optimal Stratification of Transactions." In 2009 Fourth International Conference on Internet and Web Applications and Services. IEEE, 2009. http://dx.doi.org/10.1109/iciw.2009.79.

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Rapporti di organizzazioni sul tema "Stratification"

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MacQueen, D. Material-based Stratification. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/919964.

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Benabou, Roland. Heterogeneity, Stratification, and Growth. National Bureau of Economic Research, 1993. http://dx.doi.org/10.3386/w4311.

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Harter, Rachel M., Pinliang (Patrick) Chen, Joseph P. McMichael, Edgardo S. Cureg, Samson A. Adeshiyan, and Katherine B. Morton. Constructing Strata of Primary Sampling Units for the Residential Energy Consumption Survey. RTI Press, 2017. http://dx.doi.org/10.3768/rtipress.2017.op.0041.1705.

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The 2015 Residential Energy Consumption Survey design called for stratification of primary sampling units to improve estimation. Two methods of defining strata from multiple stratification variables were proposed, leading to this investigation. All stratification methods use stratification variables available for the entire frame. We reviewed textbook guidance on the general principles and desirable properties of stratification variables and the assumptions on which the two methods were based. Using principal components combined with cluster analysis on the stratification variables to define s
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Bayer, Patrick, and Robert McMillan. Tiebout Sorting and Neighborhood Stratification. National Bureau of Economic Research, 2011. http://dx.doi.org/10.3386/w17364.

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Abadie, Alberto, Matthew Chingos, and Martin West. Endogenous Stratification in Randomized Experiments. National Bureau of Economic Research, 2013. http://dx.doi.org/10.3386/w19742.

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Whitehead, Jared, and Beth A. Wingate. Rapidly rotating flow with weak stratification. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1080344.

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Bleemer, Zachary, and Aashish Mehta. College Major Restrictions and Student Stratification. National Bureau of Economic Research, 2024. https://doi.org/10.3386/w33269.

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Lavetti, Kurt, Long Hong, Jonathan Holmes, and Trevon Logan. Workplace Stratification and Racial Health Disparities. National Bureau of Economic Research, 2025. https://doi.org/10.3386/w33514.

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Wuerslin, Nicole, Franz Lichtner, Nadia Podpora, and Simone Whitecloud. Arctic seed sterilization and germination. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47682.

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We conducted growth chamber experiments to overcome challenges of native seed germination relating to disease and germination time. We selected five northern species, Eriophorum vaginatum, E. virginicum, Anemone patens var. multifida, Polemonium reptans, and Senecio con-gestus, for their native ranges and commercial-nursery availability. Recommended stratification time for each species was either unknown or a minimum of 60 days. Seeds were sterilized with 70% ethanol, 10% hydro-gen peroxide, or UVC light to identify which method most effectively pre-vented pathogen infection. To determine if s
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Behtoui, Alireza. Social Capital and Stratification of Young People. Librello, 2013. http://dx.doi.org/10.12924/si2013.01010046.

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