Academic literature on the topic 'Square use'

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Journal articles on the topic "Square use"

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Kawahira, Kosaburo. "Use of Chi Square." Chest 89, no. 6 (June 1986): 901. http://dx.doi.org/10.1378/chest.89.6.901-a.

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Goats, Geoffrey C. "Appropriate Use of the Inverse Square Law." Physiotherapy 74, no. 1 (January 1988): 8. http://dx.doi.org/10.1016/s0031-9406(10)63626-7.

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wang, Whedy, and Anand M. Kshirsagar. "Use of lattice square designs in bioassays." Journal of Biopharmaceutical Statistics 6, no. 2 (January 1, 1996): 185–99. http://dx.doi.org/10.1080/10543409608835132.

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Zhang, Qi, and Ge Min. "Square dancing." Chinese Language and Discourse 10, no. 1 (July 12, 2019): 61–83. http://dx.doi.org/10.1075/cld.18011.zha.

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Abstract Square dancing, guangchangwu in Chinese, is a kind of physical activity practiced in flat public spaces for fitness and entertainment. Despite its popularity all over China, there have been news reports on conflicts caused by it, such as noise pollution or use of a public square. This study collects 150 news articles published between May 2016 and May 2018 containing the keyword guangchangwu from the People’s Daily, one of the most influential official newspapers owned by the Central Committee of the Communist Party of China. The purpose of the study is to investigate the government’s attitudes towards square dancing through an analysis of the official media discourse, using word frequency of occurrence and multimodal discourse analysis. Both the word count and the co-deployment of visual and linguistic resources indicate that square dancing is perceived as an integral part of promoting the national fitness agenda. While the discourse demonstrates awareness of square dancing in the context of an aging society and a shortage of public space, general approval for it is still quite evident in the frequent positive descriptions in the text and presentations in the images. The use of the word dama ‘big mama’ in the official media discourse reveals gender inequality in contemporary China.
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Redinbo, G. "Optimum mean-square error use of convolutional codes." IEEE Transactions on Information Theory 31, no. 1 (January 1985): 18–33. http://dx.doi.org/10.1109/tit.1985.1057005.

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Natsume, Noriyuki, Keiichi Nakamoto, and Yoshimi Takeuchi. "3282 Efficient Tool Path Generation for Five-Axis Controlled Machining by Use of Square End Mill." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2011.6 (2011): _3282–1_—_3282–4_. http://dx.doi.org/10.1299/jsmelem.2011.6._3282-1_.

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Sherrill, James M. "Magic Squares and Magic Triangles." Arithmetic Teacher 35, no. 2 (October 1987): 44–47. http://dx.doi.org/10.5951/at.35.2.0044.

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For drill, many teacher use magic square, n × narrays of numbers in which the sums of the numbers in each row. each column, and each diagonal are the same. The only difficult y with magic squares is creating them. Once a specific magic square ha been used, it isn't much fun to use it again.
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Ottenbacher, Kenneth J. "The chi-square test: Its use in rehabilitation research." Archives of Physical Medicine and Rehabilitation 76, no. 7 (July 1995): 678–81. http://dx.doi.org/10.1016/s0003-9993(95)80639-3.

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Munsch, Marc, and Tim Trudgian. "Square-full primitive roots." International Journal of Number Theory 14, no. 04 (May 2018): 1013–21. http://dx.doi.org/10.1142/s1793042118500604.

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We use character sum estimates to give some bounds on the least square-full primitive root modulo a prime. In particular, we show that there is a square-full primitive root mod [Formula: see text] less than [Formula: see text].
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Kossovsky, Alex Ely. "On the Mistaken Use of the Chi-Square Test in Benford’s Law." Stats 4, no. 2 (May 28, 2021): 419–53. http://dx.doi.org/10.3390/stats4020027.

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Benford’s Law predicts that the first significant digit on the leftmost side of numbers in real-life data is distributed between all possible 1 to 9 digits approximately as in LOG(1 + 1/digit), so that low digits occur much more frequently than high digits in the first place. Typically researchers, data analysts, and statisticians, rush to apply the chi-square test in order to verify compliance or deviation from this statistical law. In almost all cases of real-life data this approach is mistaken and without mathematical-statistics basis, yet it had become a dogma or rather an impulsive ritual in the field of Benford’s Law to apply the chi-square test for whatever data set the researcher is considering, regardless of its true applicability. The mistaken use of the chi-square test has led to much confusion and many errors, and has done a lot in general to undermine trust and confidence in the whole discipline of Benford’s Law. This article is an attempt to correct course and bring rationality and order to a field which had demonstrated harmony and consistency in all of its results, manifestations, and explanations. The first research question of this article demonstrates that real-life data sets typically do not arise from random and independent selections of data points from some larger universe of parental data as the chi-square approach supposes, and this conclusion is arrived at by examining how several real-life data sets are formed and obtained. The second research question demonstrates that the chi-square approach is actually all about the reasonableness of the random selection process and the Benford status of that parental universe of data and not solely about the Benford status of the data set under consideration, since the focus of the chi-square test is exclusively on whether the entire process of data selection was probable or too rare. In addition, a comparison of the chi-square statistic with the Sum of Squared Deviations (SSD) measure of distance from Benford is explored in this article, pitting one measure against the other, and concluding with a strong preference for the SSD measure.
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Dissertations / Theses on the topic "Square use"

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Highlander, Matthew Jacob. "THE RURAL TOWN SQUARE AND ITS NEW IDENTITY." OpenSIUC, 2009. https://opensiuc.lib.siu.edu/theses/32.

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AN ABSTRACT OF THE THESIS OF Matthew J. Highlander, for the Masters of Architecture degree in Architecture, presented on July 6, 2009, at Southern Illinois University Carbondale. TITLE: THE RURAL TOWN SQUARE AND ITS NEW IDENTITY MAJOR PROFESSOR: Dr. Craig K. Anz This thesis investigates the current complex nature that is the American town square and its identity in rural heartland communities. Historically, the town square in this context becomes an image of civic pride in its community through the incorporation of essential civic buildings such as county courthouses, city halls, community centers, guest houses as well as functioning playhouses, gathering spaces such as a parks, gazebos, or green space for public use within the town square. However, through the advent of the automobile, one-stop shopping, and urban sprawl, rural town squares have become a shell or fossil of their former selves as citizens visit this district of town less frequently due to a lack of business and public activities. Hence, these spaces become subjugated to other forms of planning and thus become dens for poverty and areas for crime. However there are many present solutions that can facilitate a movement towards improvement in this area. One such solution is the redesign of surrounding square spaces in conjunction with the incorporation of mix-use facilities within the town square streetscape. Mix-use buildings offer a variety of options that can introduce daily use businesses such as coffee houses, bookstores, deli shops, etc..., have night hours, and do not require a large amount of space to operate business. Along with these businesses, mix-use facilities can also incorporate a variety of residential living quarters such as lofts, studios, and townhomes to foster life within these places. Again, as a result, there is a substantial increase in the amount of public activity within the towns square between residents, business proprietors, and shoppers. This activity alone can transform a once dim light of the community into a shining example of the image and identity that the community wishes to project to its participants. The mix-use building and square together also have the ability to co-operate as a self-sustaining entity of the community due to the type of businesses that it incorporates and its proximity to other businesses within the town square and the community as a whole.
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Schneider, Rick Harlan. "Vibrant City: Mixed-Use and Transit-Oriented Development at Virginia Square." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/33745.

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This development plan for the Virginia Square Metro is located near Washington DC in Arlington County, Virginia. The proposal includes â open planâ mid-rise residential, high-rise mixed-use, an identifiable transit station and linked green space with small scale agricultural potential. Mid-rise dwelling units provide the density to support local business along shop-lined streets. Pedestrian ways and bike trails offer additional transportation routes while mass transit cuts down on automobile usage. The scheme combines sustainable design, innovative construction techniques and transit-oriented development principles to provide the infrastructure and act as a catalyst for healthy future growth along the Rosslyn-Ballston development corridor.
Master of Architecture
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Camargo, Elizabeth Gus. "Piazza Navona, Harvard Square, Piccadilly Circus : a study about morphology and use." Thesis, Massachusetts Institute of Technology, 1985. http://hdl.handle.net/1721.1/71365.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Architecture, 1985.
MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH.
Includes bibliographical references (leaves 46-47).
This thesis is about lively urban spaces and their distinctive characteristics. Its objective is to look at the various aspects responsible for the dynamic atmosphere of such environments, identifying the role played by their physical configuration within this context. It recommends the inclusion of a historical approach in the analysis of urban spaces. since the studies so far conducted have primarily focused on their physical aspects without providing very successful results. The possible contributions of the historical approach are examined in the investigation of three squares well-known for their liveliness and attractive power: Piazza Navona (Rome. Italy), Harvard Square (Cambridge, U.S.A.) and Piccadilly Circus (London. England). Based on a historical review, the main aspects influencing the character of the squares are grouped into three categories: form, use and relation to the city. These categories, nevertheless. are not relevant when considered independently, because they assume a meaningful role only through their participation in a set of tight relationships. The study also explores the situations of change experienced by the squares. since the historical perspective has unveiled the fact that changes have always affected their formal. functional and contextual characteristics. while being intended to preserve their lively atmosphere.
by Elizabeth Gus Camargo.
M.S.
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Kirmizi, Meric. "Taksim Republican Square: A Field Study On Socio-economic, Form, Use And Meaning Dimensions." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613398/index.pdf.

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Cavender, Terri A. "The Use of the Power Method to Find Dominant Eigenvalues of Matrices." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc501200/.

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This paper is the result of a study of the power method to find dominant eigenvalues of square matrices. It introduces ideas basic to the study and shows the development of the power method for the most well-behaved matrices possible, and it explores exactly which other types of matrices yield to the power method. The paper also discusses a type of matrix typically considered impossible for the power method, along with a modification of the power method which works for this type of matrix. It gives an overview of common extensions of the power method. The appendices contain BASIC versions of the power method and its modification.
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Qureshi, Aleem. "A Novel Equivalent Squares Formalism for use in Small Field Dosimetry." University of Toledo Health Science Campus / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=mco149338511600157.

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Santa, Ritta Pietsch Michelle. "Design proposal for a 2 star mixed use green hotel in the city ofStockholm: The case of Brunkebergs square." Thesis, KTH, Urban and Regional Studies, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-24851.

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The word sustainability does not only mean building environmentally friendly buildings, with green high technology solutions, but it also touches the economical, physical and social aspect of a given area. A building can not be called sustainable if it is not designed for people’s needs and does not promote social interaction between people. In a broader extend, the three levels of sustainability, economical, social and environmental need to be achieved at the same time, or else the concept of sustainability itself is neglected. Nowadays most of the hotels in the core of the city of Stockholm range in a classification from 4 to 5 stars, and rarely there are 2 or 1 star hotels. The world financial crisis that emerged in 2008 and which substantially decreased the number of customers who could afford to pay the high fees of the luxury hotels, leaded to crisis in the hotel industry emptying many rooms and eaving the 4 and 5 stars hotel to their own luck. The core of the city centre has other problems such as potential areas with commercial and office buildings which only have a day life and at night are considered abandoned and unsafe, especially nowadays with the crisis in the hotel industry.The aim of this master thesis is the design of a prototype green mixed use building by Brunkebergs square, which is a square in need of renovation and located in the core area of the city of Stockholm. The prototype green building is a 2 star mixed use green hotel with green design features and public, semi public and private character. This new hotel also would be part of a group of hotels called CBD Vasagatan. The integration between the new prototype building, Brunkebergs square and Drottningatan will be done according to concept and context of the new building. The areas in question will be renovated under the guidelines of Stockholm Vision 2030, which is an improvement city plan proposed by Stockholm under the years 2006 and 2007, and following a few Green Design premises as dictated by architect Ken Yeang and LEED (Leadership in Energy and Environmental Design). The proposed 2 stars green hotel, besides representing the possibility of being a cheaper lodging alternative, and therefore helping the declining economy of the Hotel market in the city of Stockholm, will also promote physical integration with Brunkebergs square, creating a path of communication inside the building leading from Brunkebergs square to Drottningatan, which is one of the most known retail streets in Stockholm city center. This way the flow of pedestrians between these 2 important areas would be enabled and Brunkebergs square would suffer renovation and become more attractive to tourists and Stockholm citizens.

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Vaculíková, Petra. "Veřejné prostory historického jádra Brna - náměstí." Doctoral thesis, Vysoké učení technické v Brně. Fakulta architektury, 2013. http://www.nusl.cz/ntk/nusl-233246.

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Changes of physical, functional and social structure of the city as a result of the group of variously interrelated changes and events that are fundamentally participate in the formation of the image of the urban development. This doctoral thesis is based on research of the historical city center - squared. First part is focuses on the historical development of urban texture of the inner city of Brno and its squares. We are talking about Square of Freedom, Vegetable Market, Dominican square, Jacobs square, Capuchins square and Šilingrovo square. Based on individual characteristics, describing the emergence of morphological and functional changes in Brno square was created urban classification of basic types of square. City of Brno, as the capital city of region has a significant position in the structure of settlements. This fact has become one of the key aspects for the selection of examples of European cities and their squares. The second part of the thesis is based on comparative studies of different types of historical squares. In order to define the value of public spaces, it is necessary to look at the public places of historical perspective and deal with the causes that led to the decline of the importance and role of public spaces. Austrian capital cities of region (Graz, Linz, Klagenfurt and Salzburg) will be examined with regard to similar climatic conditions and a common cultural and historical context of the city. Based on urban patterns and graphic diagrams of each square are observed inner relationships between shapes of square, form, function and location of the position of an artwork. Research areas are also focused on comparing aspects of transport, green space, functional use, visual unit and social activities. The public space is shaped by a set of characteristics that promote diversity and interdependence of functions. For a better interpretation of the results have been established two benchmarks - symbol of identification with the place and the Magnet (function and filling space). The objective of the thesis is to define an aspects and elements of space which were involved in square use.
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Myer, Gregory D. "The effect of three selected exercises on electromyographic root mean square values and vastus medialis oblique to vastus lateralis ratio." Virtual Press, 1998. http://liblink.bsu.edu/uhtbin/catkey/1101588.

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The primary purpose of this study was to determine the ratio of activation between the VMO and VL while performing three selected knee exercises (drop squat, modified lateral squat, Muncie Method). Additionally, the data was analyzed to determine if a correlation existed between the muscle's activation rate per set and whether or not the rates are affected by Q-angle or gender. Twenty Ball State University subjects (10 male, 10 female) who were asymptomatic to Patellofemoral Syndrome (PFS), provided electroymyographic (EMG) data while performing the three selected exercises. A one-way ANOVA found no statistical significance (p=0.500) on any of the tested variables except the Drop Squat VL Root Mean Square (RMS). Significant correlations were found between: VL RMS to set number during drop squat, and VMO and VL RMS to set number during Muncie Method performance. Based on the results of this study, each of these exercises could be used to selectively strengthen the VMO in treatment of PFS.
School of Physical Education
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Carline, Roger Timothy. "One dimensional modelling of the charge control in square quantum well pseudomorphic AlGaAs/InGaAs field effect transistors for use in device design." Thesis, University of York, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304163.

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Books on the topic "Square use"

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Farkas, Abraham K. Monrovia, California: Station Square and the Myrtle Avenue corridor. Washington, D.C: ULI-the Urban Land Institute, 2004.

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Sigmon, Dallas Lafayette. A framing guide and steel square: A practical treatise giving shortest methods on roof framing and how to use the steel square, rafter tables, square root tables, sash tables, shingle tables and various tables, brick, tile and concrete work. Hickory, N. C: Cline-Sigmon Pub., 1991.

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Circle in the square: Studies in the use of gender in Kabbalistic symbolism. Albany: State University of New York Press, 1995.

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Inc, McLarentech. St. Lawrence Square Redevelopment Project, East Section: Geothechnical investigations. [Toronto]: The Firm, 1989.

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Dr, Taylor Jeremy, and Museum of London. Archaeology Service, eds. Finsbury's moated manor, medieval land use and later development in the Finsbury Square area, Islington. London: Museum of London Archaeology, 2009.

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Proctor & Redfern Group. St. Lawrence Square Development: Summary of environmental investigation of site and structures. [Toronto]: The Group, 1989.

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Inc, McLarentech. St. Lawrence Square Redevelopment Project, East Section: Site and facility environmental investigation. [Toronto]: The Firm, 1989.

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United States. National Transportation Safety Board. New York City Transit Authority derailment at Union Square Station, New York City, New York, August 28, 1991. Washington, D.C: The Board, 1992.

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Stewart, Connie, and Rose McCloskey. Learn to Use the Chi-Square Homogeneity Test in Minitab With Data From a 2015 Health Care Observational Study. 1 Oliver's Yard, 55 City Road, London EC1Y 1SP United Kingdom: SAGE Publications, Ltd., 2019. http://dx.doi.org/10.4135/9781526488237.

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McPherson Square: Who made the decision to allow indefinite camping in the park? : hearing before the Subcommittee on Health Care, District of Columbia, Census, and the National Archives of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, second session, January 24, 2012. Washington: U.S. G.P.O., 2012.

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Book chapters on the topic "Square use"

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Salsburg, David S. "Neyman’s Restricted Chi Square Tests." In The Use of Restricted Significance Tests in Clinical Trials, 97–103. New York, NY: Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4612-4414-1_10.

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Morgan, George A., Karen C. Barrett, Nancy L. Leech, and Gene W. Gloeckner. "Cross-Tabulation, Chi-Square, and Nonparametric Measures of Association." In IBM SPSS for Introductory Statistics: Use and Interpretation, 135–50. Sixth edition. | New York, NY : Routledge, 2020.: Routledge, 2019. http://dx.doi.org/10.4324/9780429287657-7.

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Faigle, Ulrich, and Michel Grabisch. "Least Square Approximations and Linear Values of Cooperative Games." In Algebraic Techniques and Their Use in Describing and Processing Uncertainty, 21–32. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38565-1_2.

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Silhavy, Radek, Petr Silhavy, and Zdenka Prokopova. "Applied Least Square Regression in Use Case Estimation Precision Tuning." In Software Engineering in Intelligent Systems, 11–17. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18473-9_2.

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Schenk, Olga, and Jürgen-Friedrich Hake. "CCS Policy in the EU: Will It Pay Off or Do We Have to Go Back to Square One?" In Carbon Capture, Storage and Use, 287–309. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11943-4_13.

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Morard, P., A. Bernadac, and G. Bertoni. "An overall approach to plant nutrition through the use of square diagrams." In Optimization of Plant Nutrition, 261–67. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-017-2496-8_41.

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Patte, François. "The Karaṅī: How to Use Integers to Make Accurate Calculations on Square Roots." In Contributions to the History of Indian Mathematics, 115–34. Gurgaon: Hindustan Book Agency, 2005. http://dx.doi.org/10.1007/978-93-86279-25-5_5.

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Richardson, Jesse J. "Fitting Regulatory Square Pegs into Round Holes: Local Land Use Regulation in Karst Terrain." In Karst Groundwater Contamination and Public Health, 249–54. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51070-5_29.

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De Nicola, Alessandra, and Franca Zuccoli. "Rethink Spaces with Students. Graphics: The Use of Drawing to Redesign a Square in Bicocca." In Proceedings of the 2nd International and Interdisciplinary Conference on Image and Imagination, 75–83. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41018-6_8.

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Chmielewski, Leszek J., Arkadiusz Orłowski, and Maciej Janowicz. "A Study on Directionality in the Ulam Square with the Use of the Hough Transform." In Hard and Soft Computing for Artificial Intelligence, Multimedia and Security, 81–90. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48429-7_8.

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Conference papers on the topic "Square use"

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Averill, P., and H. Carr. "Use of Square Mesh in New England's Groundfishery." In OCEANS '87. IEEE, 1987. http://dx.doi.org/10.1109/oceans.1987.1160800.

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Muguira, Maritza R., John T. Sackos, and Bart D. Bradley. "Scannerless range imaging with a square wave." In SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, edited by Gary W. Kamerman. SPIE, 1995. http://dx.doi.org/10.1117/12.212017.

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Oertel, Carl-Henrik. "Square tracking sensor for autonomous helicopter hover stabilization." In SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, edited by Jacques G. Verly. SPIE, 1995. http://dx.doi.org/10.1117/12.212732.

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Juarez, M. A., M. Ponce, J. Arau, E. Flores, and A. Parada. "Influence of the use of square waveforms in fluorescent lamps." In 2008 IEEE International Power Electronics Congress - CIEP. IEEE, 2008. http://dx.doi.org/10.1109/ciep.2008.4653803.

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Ashida, Yuzuru, and Toshifumi Matsuoka. "Inversion of reflection seismic data by use of least square method." In SEG Technical Program Expanded Abstracts 1998. Society of Exploration Geophysicists, 1998. http://dx.doi.org/10.1190/1.1820219.

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Erra, Ugo, and Giuseppe Scanniello. "Assessing think-pair-square in distributed modeling of use case diagrams." In 2011 First International Workshop on Empirical Requirements Engineering (EmpiRE). IEEE, 2011. http://dx.doi.org/10.1109/empire.2011.6046249.

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Sokolov, Viatcheslav Y. "The Use of the Square of Opposition in Accountant's Professional Judgement." In 5th International Conference on Accounting, Auditing, and Taxation (ICAAT 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icaat-16.2016.42.

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Smith, Bruce W., Lena Zavyalova, S. G. Smith, and John S. Petersen. "Resolution and DOF improvement through the use of square-shaped illumination." In Microlithography '99, edited by Luc Van den Hove. SPIE, 1999. http://dx.doi.org/10.1117/12.354352.

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Lom, Michal, and Ondrej Pribyl. "Modeling Charging of Electric Vehicles in Smart Cities: Charles Square Use Case." In 2019 IEEE International Conference on Connected Vehicles and Expo (ICCVE). IEEE, 2019. http://dx.doi.org/10.1109/iccve45908.2019.8965222.

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Dong, Hua, Dehui Wu, and Haitao Su. "Use of least square support vector machine in surface roughness prediction model." In Third International Symposium on Precision Mechanical Measurements. SPIE, 2006. http://dx.doi.org/10.1117/12.716199.

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Reports on the topic "Square use"

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Niang, Aladji Babacar, Gane Samb Lo, and Moumouni Diallo. Asymptotic laws of summands I: square integrable independent random variables. Arxiv, August 2021. http://dx.doi.org/10.16929/hs/imhotep.2021.x.002.

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This paper is part of series on self-contained papers in which a large part, if not the full extent, of the asymptotic limit theory of summands of independent random variables is exposed. Each paper of the series may be taken as review exposition but specially as a complete exposition expect a few exterior resources. For graduate students and for researchers (beginners or advanced), any paper of the series should be considered as a basis for constructing new results. The contents are taken from advanced books but the organization and the proofs use more recent tools, are given in more details and do not systematically follow previous one. Sometimes, theorems are completed and innovated
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Hicks, Julie, Laurin Yates, and Jackie Pettway. Mat Sinking Unit supply study : Mississippi River revetment. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41867.

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The Mississippi Valley Division (MVD) has maintained the Mississippi River banks for over 80 years. The Mat Sinking Unit (MSU), built in 1946, was considered state-of-the-art at the time. This system is still in operation today and has placed over 1,000 miles of Articulated Concrete Mats along the Mississippi River from Head of Passes, LA, to Cairo, IL. A new MSU has been designed and is expected to be fully mission capable and operational by the 2023 season, which is expected to increase the productivity from 2,000 squares/day up to 8,000 squares/day with double shifts and optimal conditions. This MSU supply study identifies and optimizes the supply chain logistics for increased production rates from the mat fields to the MSU. The production rates investigated for this effort are 2,000 squares/day, 4,000 squares/day, and 6,000 squares/day. RiskyProject® software, which utilizes a Monte Carlo method to determine a range of durations, manpower, and supplies based on logical sequencing is used for this study. The study identifies several potential supply and demand issues with the increased daily production rates. Distance to casting fields, number of barges, and square availability are the major issues to supply increased placement rates identified by this study.
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Bruder, Brittany L., Katherine L. Brodie, Tyler J. Hesser, Nicholas J. Spore, Matthew W. Farthing, and Alexander D. Renaud. guiBath y : A Graphical User Interface to Estimate Nearshore Bathymetry from Hovering Unmanned Aerial System Imagery. Engineer Research and Development Center (U.S.), February 2021. http://dx.doi.org/10.21079/11681/39700.

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This US Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory, technical report details guiBathy, a graphical user interface to estimate nearshore bathymetry from imagery collected via a hovering Unmanned Aerial System (UAS). guiBathy provides an end-to-end solution for non-subject-matter-experts to utilize commercia-off-the-shelf UAS to collect quantitative imagery of the nearshore by packaging robust photogrammetric and signal-processing algorithms into an easy-to-use software interface. This report begins by providing brief background on coastal imaging and the photogrammetry and bathymetric inversion algorithms guiBathy utilizes, as well as UAS data collection requirements. The report then describes guiBathy software specifications, features, and workflow. Example guiBathy applications conclude the report with UAS bathymetry measurements taken during the 2020 Atlantic Hurricane Season, which compare favorably (root mean square error = 0.44 to 0.72 m; bias = -0.35 to -0.11 m) with in situ survey measurements. guiBathy is a standalone executable software for Windows 10 platforms and will be freely available at www.github.com/erdc.
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Ruiz, Pablo, Craig Perry, Alejando Garcia, Magali Guichardot, Michael Foguer, Joseph Ingram, Michelle Prats, Carlos Pulido, Robert Shamblin, and Kevin Whelan. The Everglades National Park and Big Cypress National Preserve vegetation mapping project: Interim report—Northwest Coastal Everglades (Region 4), Everglades National Park (revised with costs). National Park Service, November 2020. http://dx.doi.org/10.36967/nrr-2279586.

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The Everglades National Park and Big Cypress National Preserve vegetation mapping project is part of the Comprehensive Everglades Restoration Plan (CERP). It is a cooperative effort between the South Florida Water Management District (SFWMD), the United States Army Corps of Engineers (USACE), and the National Park Service’s (NPS) Vegetation Mapping Inventory Program (VMI). The goal of this project is to produce a spatially and thematically accurate vegetation map of Everglades National Park and Big Cypress National Preserve prior to the completion of restoration efforts associated with CERP. This spatial product will serve as a record of baseline vegetation conditions for the purpose of: (1) documenting changes to the spatial extent, pattern, and proportion of plant communities within these two federally-managed units as they respond to hydrologic modifications resulting from the implementation of the CERP; and (2) providing vegetation and land-cover information to NPS park managers and scientists for use in park management, resource management, research, and monitoring. This mapping project covers an area of approximately 7,400 square kilometers (1.84 million acres [ac]) and consists of seven mapping regions: four regions in Everglades National Park, Regions 1–4, and three in Big Cypress National Preserve, Regions 5–7. The report focuses on the mapping effort associated with the Northwest Coastal Everglades (NWCE), Region 4 , in Everglades National Park. The NWCE encompasses a total area of 1,278 square kilometers (493.7 square miles [sq mi], or 315,955 ac) and is geographically located to the south of Big Cypress National Preserve, west of Shark River Slough (Region 1), and north of the Southwest Coastal Everglades (Region 3). Photo-interpretation was performed by superimposing a 50 × 50-meter (164 × 164-feet [ft] or 0.25 hectare [0.61 ac]) grid cell vector matrix over stereoscopic, 30 centimeters (11.8 inches) spatial resolution, color-infrared aerial imagery on a digital photogrammetric workstation. Photo-interpreters identified the dominant community in each cell by applying majority-rule algorithms, recognizing community-specific spectral signatures, and referencing an extensive ground-truth database. The dominant vegetation community within each grid cell was classified using a hierarchical classification system developed specifically for this project. Additionally, photo-interpreters categorized the absolute cover of cattail (Typha sp.) and any invasive species detected as either: Sparse (10–49%), Dominant (50–89%), or Monotypic (90–100%). A total of 178 thematic classes were used to map the NWCE. The most common vegetation classes are Mixed Mangrove Forest-Mixed and Transitional Bayhead Shrubland. These two communities accounted for about 10%, each, of the mapping area. Other notable classes include Short Sawgrass Marsh-Dense (8.1% of the map area), Mixed Graminoid Freshwater Marsh (4.7% of the map area), and Black Mangrove Forest (4.5% of the map area). The NWCE vegetation map has a thematic class accuracy of 88.4% with a lower 90th Percentile Confidence Interval of 84.5%.
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Tillman, Jennifer L., Ajay Nair, Jean C. Batzer, and Mark L. Gleason. Strip-tillage and Row Cover Use in Organically and Conventionally Grown Summer Squash. Ames: Iowa State University, Digital Repository, 2014. http://dx.doi.org/10.31274/farmprogressreports-180814-1056.

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Tillman, Jennifer, Ajay Nair, Jean Batzer, and Mark Gleason. Strip-tillage and Row Cover Use in Organically and Conventionally Grown Summer Squash. Ames: Iowa State University, Digital Repository, 2015. http://dx.doi.org/10.31274/farmprogressreports-180814-1080.

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7

Neves, Mateus C. R., Felipe De Figueiredo Silva, and Carlos Otávio Freitas. The Effect of Extension Services and Credit on Agricultural Production in Bolivia, Peru, and Colombia. Inter-American Development Bank, July 2021. http://dx.doi.org/10.18235/0003404.

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In this paper we estimate the average treatment effect from access to extension services and credit on agricultural production in selected Andean countries (Bolivia, Peru, and Colombia). More specifically, we want to identify the effect of accessibility, here represented as travel time to the nearest area with 1,500 or more inhabitants per square kilometer or at least 50,000 inhabitants, on the likelihood of accessing extension and credit. To estimate the treatment effect and identify the effect of accessibility on these variables, we use data from the Colombian and Bolivian Agricultural Censuses of 2013 and 2014, respectively; a national agricultural survey from 2017 for Peru; and geographic information on travel time. We find that the average treatment effect for extension is higher compared to that of credit for farms in Bolivia and Peru, and lower for Colombia. The average treatment effects of extension and credit for Peruvian farms are $2,387.45 and $3,583.42 respectively. The average treatment effect for extension and credit are $941.92 and $668.69, respectively, while in Colombia are $1,365.98 and $1,192.51, respectively. We also find that accessibility and the likelihood of accessing these services are nonlinearly related. Results indicate that higher likelihood is associated with lower travel time, especially in the analysis of credit.
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Over, Thomas, Riki Saito, Andrea Veilleux, Padraic O’Shea, Jennifer Sharpe, David Soong, and Audrey Ishii. Estimation of Peak Discharge Quantiles for Selected Annual Exceedance Probabilities in Northeastern Illinois. Illinois Center for Transportation, June 2016. http://dx.doi.org/10.36501/0197-9191/16-014.

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This report provides two sets of equations for estimating peak discharge quantiles at annual exceedance probabilities (AEPs) of 0.50, 0.20, 0.10, 0.04, 0.02, 0.01, 0.005, and 0.002 (recurrence intervals of 2, 5, 10, 25, 50, 100, 200, and 500 years, respectively) for watersheds in Illinois based on annual maximum peak discharge data from 117 watersheds in and near northeastern Illinois. One set of equations was developed through a temporal analysis with a two-step least squares-quantile regression technique that measures the average effect of changes in the urbanization of the watersheds used in the study. The resulting equations can be used to adjust rural peak discharge quantiles for the effect of urbanization, and in this study the equations also were used to adjust the annual maximum peak discharges from the study watersheds to 2010 urbanization conditions. The other set of equations was developed by a spatial analysis. This analysis used generalized least-squares regression to fit the peak discharge quantiles computed from the urbanization-adjusted annual maximum peak discharges from the study watersheds to drainage-basin characteristics. The peak discharge quantiles were computed by using the Expected Moments Algorithm following the removal of potentially influential low floods defined by a multiple Grubbs-Beck test. To improve the quantile estimates, regional skew coefficients were obtained from a newly developed regional skew model in which the skew increases with the urbanized land use fraction. The skew coefficient values for each streamgage were then computed as the variance-weighted average of at-site and regional skew coefficients. The drainage-basin characteristics used as explanatory variables in the spatial analysis include drainage area, the fraction of developed land, the fraction of land with poorly drained soils or likely water, and the basin slope estimated as the ratio of the basin relief to basin perimeter. This report also provides: (1) examples to illustrate the use of the spatial and urbanization-adjustment equations for estimating peak discharge quantiles at ungaged sites and to improve flood-quantile estimates at and near a gaged site; (2) the urbanization-adjusted annual maximum peak discharges and peak discharge quantile estimates at streamgages from 181 watersheds including the 117 study watersheds and 64 additional watersheds in the study region that were originally considered for use in the study but later deemed to be redundant. The urbanization-adjustment equations, spatial regression equations, and peak discharge quantile estimates developed in this study will be made available in the web-based application StreamStats, which provides automated regression-equation solutions for user-selected stream locations. Figures and tables comparing the observed and urbanization-adjusted peak discharge records by streamgage are provided at http://dx.doi.org/10.3133/sir20165050 for download.
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Loverro, Kari L., Tyler N. Brown, and Jeffrey M. Schiffman. Use of Body Armor Protection Levels with Squad Automatic Weapon Fighting Load Impacts Soldier Performance, Mobility, and Postural Control. Fort Belvoir, VA: Defense Technical Information Center, May 2015. http://dx.doi.org/10.21236/ada617096.

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Brodie, Katherine, Brittany Bruder, Richard Slocum, and Nicholas Spore. Simultaneous mapping of coastal topography and bathymetry from a lightweight multicamera UAS. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41440.

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A low-cost multicamera Unmanned Aircraft System (UAS) is used to simultaneously estimate open-coast topography and bathymetry from a single longitudinal coastal flight. The UAS combines nadir and oblique imagery to create a wide field of view (FOV), which enables collection of mobile, long dwell timeseries of the littoral zone suitable for structure-from motion (SfM), and wave speed inversion algorithms. Resultant digital surface models (DSMs) compare well with terrestrial topographic lidar and bathymetric survey data at Duck, NC, USA, with root-mean-square error (RMSE)/bias of 0.26/–0.05 and 0.34/–0.05 m, respectively. Bathymetric data from another flight at Virginia Beach, VA, USA, demonstrates successful comparison (RMSE/bias of 0.17/0.06 m) in a secondary environment. UAS-derived engineering data products, total volume profiles and shoreline position, were congruent with those calculated from traditional topo-bathymetric surveys at Duck. Capturing both topography and bathymetry within a single flight, the presented multicamera system is more efficient than data acquisition with a single camera UAS; this advantage grows for longer stretches of coastline (10 km). Efficiency increases further with an on-board Global Navigation Satellite System–Inertial Navigation System (GNSS-INS) to eliminate ground control point (GCP) placement. The Appendix reprocesses the Virginia Beach flight with the GNSS–INS input and no GCPs.
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