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Relevant bibliographies by topics / Clear zone

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Academic literature on the topic 'Clear zone'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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Journal articles on the topic "Clear zone"

1

Grimmett, Michael R., and Edward J. Holland. "Small clear-zone radial keratotomy." Ophthalmology 106, no. 10 (1999): 1857–58. http://dx.doi.org/10.1016/s0161-6420(99)90430-x.

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Sax, Christian R., Thomas H. Maze, Reginald R. Souleyrette, Neal Hawkins, and Alicia L. Carriquiry. "Optimum Urban Clear Zone Distance." Transportation Research Record: Journal of the Transportation Research Board 2195, no. 1 (2010): 27–35. http://dx.doi.org/10.3141/2195-04.

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Casebeer, J. Charles. "Complications of Small Clear zone RK." Ophthalmology 104, no. 5 (1997): 735. http://dx.doi.org/10.1016/s0161-6420(97)30397-2.

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Grimmett, Michael R., and Gregory S. H. Ogawa. "Radial Keratotomy Clear Zone Diameter Errors." Journal of Refractive Surgery 14, no. 6 (1998): 623–30. http://dx.doi.org/10.3928/1081-597x-19981101-09.

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Shapiro, David. "Complications of small clear zone radial keratotomy." Ophthalmology 107, no. 6 (2000): 1023–24. http://dx.doi.org/10.1016/s0161-6420(00)00049-x.

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Grimmett, Michael R., and Edward J. Holland. "Complications of Small Clear-zone Radial Keratotomy." Ophthalmology 103, no. 9 (1996): 1348–56. http://dx.doi.org/10.1016/s0161-6420(96)30497-1.

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Shapiro, David R., and Robert L. Mahanti. "Complications of Small Clear-zone Radial Keratotomy." Ophthalmology 104, no. 8 (1997): 1209–10. http://dx.doi.org/10.1016/s0161-6420(97)30157-2.

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Grimmett, Michael R. "COMPLICATIONS OF SMALL CLEAR ZONE RADIAL KERATOTOMY." Cornea 15, no. 2 (1996): 221–22. http://dx.doi.org/10.1097/00003226-199603000-00040.

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Grimmett, Michael R., and Gregory S. H. Ogawa. "Measurement of Radial Keratotomy Clear Zone Diameters." Journal of Refractive Surgery 14, no. 3 (1998): 331–37. http://dx.doi.org/10.3928/1081-597x-19980501-18.

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Lovell, David J., Jyh-Cherng Jong, and Peter C. Chang. "Clear zone requirements based on horizontal sight distance considerations." Transportation Research Part A: Policy and Practice 35, no. 5 (2001): 391–411. http://dx.doi.org/10.1016/s0965-8564(99)00064-6.

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Dissertations / Theses on the topic "Clear zone"

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Sax, Christian Ryan. "Clear Zone a synthesis of practice and an evaluation of the benefits of meeting the ten-foot clear zone goal on urban streets /." [Ames, Iowa : Iowa State University], 2008.

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Redfern, Richard Henry. "The role of park and ride in implementing a clear zone." Thesis, University of Southampton, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287307.

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Heiner, Brandon D. "Multi-Scale Neotectonic Study of the Clear Lake Fault Zone in the Sevier Desert Basin (Central Utah)." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/3840.

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A multi-scale high-resolution geophysical and geological study was conducted in the Sevier Desert, central Utah, found within the Colorado Plateau-Basin and Range Transition Zone. The region is marked by with Quaternary volcanics and faulting as young as 660 yr B.P., with many fault scarps thought to have the potential for 7+ magnitude earthquakes. Three locations within the Sevier Desert which represent three different tectonic expressions of possible faulting at the surface were selected. These include a location found within surface sedimentation, a location with surface sedimentation and s

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Pálmarsdóttir, Sveinbjörg. "Procedures for sample clean-up and concentration in capillary zone electrophoresis for determination of drugs in biosamples." Lund : Dept. of Aanalytical Chemistry, University of Lund, 1996. http://catalog.hathitrust.org/api/volumes/oclc/38045310.html.

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Goff, Kathleen Roselle. "Geochemical analysis of weathering zones from Clear Creek watershed: implications for modeling Quaternary landscape evolution." Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/5481.

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Soil development on upland landscapes in east-central Iowa Peoria Loess deposits has been occurring for approximately the last 12,500 years. Weathering zone and pedogenic processes depend on environmental factors such as climate, precipitation, time, parent material, biota, and topography, among others. Analyzing the weathering zones of modern and paleosol profiles provides insight into current and paleo-environmental processes. This study employs several bulk geochemical analytic techniques (XRF, pXRF, LIBS, ICP-MS) to examine the weathering profiles formed in modern Peoria Loess deposits and

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Tichý, David. "Návrh větrání čistého pracoviště pro elektrotechnický průmysl." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-227867.

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The work describes an air conditioning and circulation system of a clean room environment in of a semiconductor production site. It is based on given requirements for air cleanness, temperature preasure and relative moisture. The first half of the work describes the way the system should work, classification of construction and operation of the site. The second half describes the calculations of the given parameters on which the system is designed. The calculations deal with - Air exchange and maintaining the required parameters - Designing the muti stage air filtration system - Designing the

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Johansson, Eleanor. "Highway to Hell? : Evaluating the effect of environmental policy on emissions from the Swedish truck fleet." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264182.

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The aim of this thesis is to examine the emissions from the Swedish truck fleet between 2007- 2014. By descriptive analysis the emissions of NOx, PM, HC and CO are found to decrease at the truck level, the firm level and municipal level. A difference-in-difference analysis is performed to Stockholm municipality where a low emissions zone (LEZ) is located. Heavy trucks in the transportation sector are examined. Emissions are found to decrease more outside of the LEZ than within. This contrasts to other studies on LEZs and to the political goal of the zone. These results indicate that a green tr

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"Clear zone---A synthesis of practice and an evaluation of the benefits of meeting the ten-foot clear zone goal on urban streets." IOWA STATE UNIVERSITY, 2009. http://pqdtopen.proquest.com/#viewpdf?dispub=1461966.

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Fitzpatrick, Cole D. "The Effect of Roadside Elements on Driver Behavior and Run-Off-the-Road Crash Severity." 2013. https://scholarworks.umass.edu/theses/1037.

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Roadside vegetation provides numerous environmental and psychological benefits to drivers. Previous studies have shown that natural landscapes can effectively lower crash rates and cause less stress and frustration to the driver. However, run-off-the-road crashes resulting in a collision with a tree are twice as likely to result in a fatality, thus reinforcing the need to examine the placement of vegetation within the clear zone. This study explores the relationship between the size of the clear zone and the presence of roadside vegetation on selected driver attributes, including both driver s

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Hirschowitz, Peter Mark. "The effect of vegetation zones on adjacent clear channel flow." Thesis, 2008. http://hdl.handle.net/10539/4838.

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Abstract Methods are proposed to take account of the effect of emergent vegetation (which covers only part of the channel bed) on conveyance and depth-averaged velocity in open channels. For emergent vegetation strips parallel to the flow direction, discharge can be predicted separately for each vegetated or non-vegetated zone. The equations of Kaiser (1985) and Nuding (1991, 1994) can predict the influence of the vegetation on conveyance within the non-vegetated zone via the composite roughness formula of Pavlovski (1931). In order to predict the lateral distribution of depth-averaged

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Books on the topic "Clear zone"

1

Carr, D. H. Clear zones for local agencies. Washington State Dept. of Transportation, Planning, Research and Public Transportation Division, 1989.

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United States. Environmental Protection Agency. Oceans and Coastal Protection Division, ed. Clean Water Action Plan: Coastal research and monitoring strategy. U.S. Environmental Protection Agency, Oceans and Coastal Protection Division, 2000.

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Reidy, Patrick J. Assessing UST corrective action technologies: Early screening of clean-up technologies for the saturated zone. Risk Reduction Engineering Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1990.

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Eutrophication, National Research Council (U S. ). Committee on the Causes and Management of Coastal. Clean coastal waters: Understanding and reducing the effects of nutrient pollution. National Academy Press, 2000.

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United States. Congress. Senate. Committee on Environment and Public Works. Coastal water quality issues in Rhode Island: Hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Second Congress, second session, on reauthorization of the Clean Water Act and the status of the Narragansett Bay comprehensive conservation and management plan, April 23, 1992--Providence, RI. U.S. G.P.O., 1992.

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Georgia Strait Crossing Pipeline Ltd. Georgia Strait Crossing Pipeline LP: Petition for declaratory order regarding waiver of certification under section 401 Clean Water Act and the Coastal Zone Management Act. Georgia Strait Crossing Pipeline, 2003.

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United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Oceanography and the Great Lakes. Beaches Environmental Assessment, Closure, and Health Act of 1990: Hearing before the Subcommittee on Oceanography and Great Lakes of the Committee on Merchant Marine and Fisheries, House of Representatives, One Hundred First Congress, second session, on H.R. 4333, a bill to establish a Clean Coastal Beaches Council ... May 9, 1990. U.S. G.P.O., 1990.

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New Jersey. Legislature. Senate. Environment Committee. Committee meeting of Senate Environment Committee: Discussion of the Clean Water Enforcement Act. The Committee, 1994.

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Nolan, Kelly. Integrating the planning mandates of the Clean Water Act, the Coastal Zone Act Reauthorization Amendments of 1990, and the Endangered Species Act: Toward a comprehensive approach to watershed management planning. Northwest Water Law & Policy Project, 1999.

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New Jersey. Legislature. Senate. Special Committee to Study Coastal and Ocean Pollution. Public hearing before Senate Special Committee to Study Coastal and Ocean Pollution: Testimony concerning the proposed Clean Ocean Authority, February 18, 1987, Room 334, State House Annex, Trenton, New Jersey. The Committee, 1987.

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Book chapters on the topic "Clear zone"

1

Bouchiba, B., M. Dahbi, F. Benhamida, A. Hazzab, and M. Habbab. "PV/Wind Installation: Powered Rural Zone Family House in Bechar (Algeria)." In Progress in Clean Energy, Volume 2. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-17031-2_71.

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Zuev, V. E., A. A. Zemlyanov, Yu D. Kopytin, and A. V. Kuzikovskii. "The Formation of Clear Zones in Clouds and Fogs Due to the Vaporization of Droplets under Regular Regimes." In High-Power Laser Radiation in Atmospheric Aerosols. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5219-5_3.

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Shakmak, Bubaker, Matthew Watkins, and Amin Al-Habaibeh. "How Clean Is the Air You Breathe? Air Quality During Commuting Using Various Transport Modes in Nottingham." In Springer Proceedings in Energy. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63916-7_31.

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AbstractAir quality has developed into a significant global issue and its negative effect on human health, wellbeing and ultimately the effect of shortening of life expectancy is becoming a pressing concern. Such concerns are most acute in cities in the UK. Although many cities, including Nottingham, are taking significant measures to enhance air quality, there was limited work focusing on the individual’s experience during commuting. This paper suggests a novel approach for measuring commuting air quality through quantifying particulate matters PM2.5 and PM10, using the city of Nottingham as a case study. Portable low-cost systems comprising of a GPS sensor and an Aeroqual pollution data logger were used to capture data and develop the sensor fusion via newly developed software. Data was collected from a variety of transport modes comprising bike, bus, car, tram and walking to provide evidence on relative particulate levels and 2D and 3D data maps were produced to communicate the relative pollution levels in a publicly accessible manner. The study found as expected particulate pollution to be higher during peak hours and typically closer to the city. However whilst the lowest particulate concentrations were found on the Tram the highest were for cyclists contrary to the literature. The project encompasses a democratic crowd sourced approach to data collection by enabling the public to gather data via their daily commute, increasing people’s awareness of the air quality in their locality. The acquired data permitted a range of comparisons considering differing times of day and zones such as the city centre and surrounding residential areas in the City council boundary.

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Lisle, Debbie. "The Double Vision of Empire." In Holidays in the Danger Zone. University of Minnesota Press, 2016. http://dx.doi.org/10.5749/minnesota/9780816698554.003.0002.

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Thomas Cook & Sons’ domination of the tourism industry in 19th Century Egypt enabled them to facilitate the British military’s efforts to rescue General Gordon in Khartoum in 1884-85. This event reveals much about the tourist sensibility that shaped occupying soldiers as they engaged with local populations at the far reaches of Empire, and demonstrates the clear alignment between militarism and tourism within the Imperial mind-set.

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Parlance, J. Y., and T. S. Steenhuis. "Soil Properties and Water Movement." In Vadose Zone Hydrology. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195109900.003.0008.

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For all spatial scales, from pore through local and field, to a watershed, interaction of the land surface with the atmosphere will be one of the crucial topics in hydrology and environmental sciences over the forthcoming years. The recent lack of water in many parts of the world shows that there is an urgent need to assess our knowledge on the soil moisture dynamics. The difficulty of parameterization of soil hydrological processes lies not only in the nonlinearity of the unsaturated flow equation but also in the mismatch between the scales of measurements and the scale of model predictions. Most standard measurements of soil physical parameters provide information only at the local scale and highlight the underlying variability in soil hydrological characteristics. The efficiency of soil characteristic parameterization for the field scale depends on the clear definition of the functional relationships and parameters to be measured, and on the development of possible methods for the determination of soil characteristics with a realistic use time and effort. The soil’s hydraulic properties that affect the flow behavior can be expressed by a soil water retention curve that describes the relation between volumetric water content, θ(L3L3), and soil water pressure, h(L), plus the relation between volumetric water content and hydraulic conductivity, K(L/T). In the next section, the determination of soil hydraulic parameters is first discussed for local and field scale. Then, we show how the pore-scale processes can be linked to soil hydraulic properties. These properties are then used in some of the modern methods that use integral and superposition solutions of Richards’ equation for infiltration and water flow problems for both stable and preferential types of flows. Finally, some practical aspects for watersheds are discussed to highlight the difficulties encountered when large-scale predictions are needed.

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Hopmans, Jan W., and Jan M. H. Hendrickx. "Emerging Measurement Techniques for Vadose Zone Characterization." In Vadose Zone Hydrology. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195109900.003.0015.

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Variables and parameters required to characterize soil water flow and solute transport are often measured at different spatial scales from those for which they are needed. This poses a problem since results from field and laboratory measurements at one spatial scale are not necessarily valid for application at another. Herein lies a challenge that vadose zone hydrologists are faced with. For example, vadose zone studies can include flow at the groundwater-unsaturated zone as well as at the soil surface-atmosphere interface at either one specific location or representing an entire field or landscape unit. Therefore, vadose zone measurements should include techniques that can monitor at large depths and that characterize landsurface processes. On the other end of the space spectrum, microscopic laboratory measurement techniques are needed to better understand fundamental flow and transport mechanisms through observations of pore-scale geometry and fluid flow. The Vadose Zone Hydrology (VZH) Conference made very clear that there is an immediate need for such microscopic information at fluid-fluid and solid-fluid interfaces, as well as for methodologies that yield information at the field/landscape scale. The need for improved instrumentation was discussed at the ASA-sponsored symposium on “Future Directions in Soil Physics” by Hendrickx (1994) and Hopmans (1994). Soil physicists participating in the 1994-1999 Western Regional Research Project W-188 (1994) focused on “improved characterization and quantification of flow and transport processes in soils,” and prioritized the need for development and evaluation of new instrumentation and methods of data anlysis to further improve characterization of water and solute transport. The regional project documents the critical need for quantification of water flow and solute transport in heterogeneous, spatially variable field soils, specifically to address preferential and accelerated contaminant transport. Cassel and Nielsen (1994) describe the contributions in computed tomography (CT) using x-rays or magnetic resonance imaging (MRI) as “an awakening,” and they envision these methodologies to become an integral part of vadose zone research programs. The difference in size between measurement and application scales poses a dilemma for the vadose zone hydrologist.

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Jury, William A. "Present Directions and Future Research in Vadose Zone Hydrology." In Vadose Zone Hydrology. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195109900.003.0021.

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The last decade has been an active one for research in vadose zone hydrology (VZH). There are a host of new experimental devices, lots of new theories, and a bright new generation of scientists eager to unlock the mysteries of the discipline. It would be tempting to say that we are well on our way to conquering the most difficult problems that face experimentalists and modelers in the VZH field. However, as is so often the case in science, new problems are discovered in the process of solving other ones. I have been given the task of providing an overview of the current directions in our field, and of pointing out unsolved problems and future research directions for the discipline. Execution of such a task is well beyond my abilities or vision, so what you will get is a compendium of my personal preferences and bias. I chose several methods carry out my charge. First, I examined the poster abstracts to get an idea of the content and breadth of the offerings for the symposium “Vadose Zone Hydrology—Cutting Across Disciplines.” Next, I examined 1 year’s worth of articles in the S-l section of the Soil Science Society of America Journal and in Water Resources Research at a 10-year interval to get an idea of the changes in people’s interests in research over that time span. Finally, I polled my own research group and asked some colleagues what the really tough problems were in the discipline of VZH. One way to find out what is going on in the world of VZH is to examine the poster abstracts from the above-named conference. Table 17.1 presents an organizational summary of the 78 posters by subject matter. It is clear that the most active areas are property measurement, monitoring, and characterizing large-scale systems, which reflects both the influx of new monitoring devices and also increased attention paid to details of scale-dependence, interpolation, disturbance during monitoring, and other issues that have become research areas in their own right.

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Kirchman, David L. "Coastal Dead Zones in the Past." In Dead Zones. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197520376.003.0004.

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This chapter discusses the dead zones of coastal areas: specifically the Gulf of Mexico and Europe’s Adriatic and Baltic Seas. Scientists were able to eliminate sewage from the list of ingredients that make a dead zone in the Gulf of Mexico and other coastal regions, but there was still the possibility that the loss of oxygen was natural. It wasn’t clear when the dead zone rose in the Gulf and the Baltic Sea. Systematic monitoring of dissolved oxygen in the Gulf, led by Nancy Rabalais, once called “Queen of the Dead Zone,” started only in 1986, so scientists have had to use indirect ways to deduce oxygen levels in the past. Studies using foraminifera (“forams”) and other oxygen-sensitive indices found that the proliferation of the Gulf dead zone and others started around 1950. Both the Gulf and the Baltic experienced low oxygen levels in the 19th century or earlier, but hypoxia became more common and more extensive in the middle of the 20th century.

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Burstein, L. Poundie. "Two-Part Expositions." In Journeys Through Galant Expositions. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190083991.003.0008.

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An exposition’s punctuation sequence may be demarcated in such a way as to suggest the presence of presence of a distinct theme zone. As an analytic strategy for dealing with Galant expositions, it is often best not to presuppose the presence of these theme zones, but to understand them as arising as a possible by-product of the articulation of the punctuation form. Two clear examples of Galant expositions that suggest distinct theme zones are examined in this chapter: from the finale of Leopold Mozart’s Sonata for Keyboard in F and from the first movement of Wolfgang Amadeus Mozart’s Church Sonata in D, K. 144.

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Piotrowski, Marcin, and Patrycja Piotrowska. "Nieinwazyjne badania archeologiczne na stanowisku 2 w Żelaznej Nowej." In Ocalone Dziedzictwo Archeologiczne. Wydawnictwo Profil-Archeo; Muzeum im. Jacka Malczewskiego w Radomiu, 2020. http://dx.doi.org/10.33547/oda-sah.10.zn.13.

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Non-invasive archaeological research was carried within the complex of sites 2–3 in Żelazna Nowa, and the analysis of the results. The basic goal of the research was to determine the range of the necropolis in site 2, to reveal its topography, and to assess the state of its preservation. The research was performed using a non-invasive geophysical survey with the magnetic method. An additional objective was to map sites 2 and 3 and present them against a broader geographic background. The maps were created using numeric altitude data from laser scanning (LIDAR) and aerial photography. Site 2, the focus of the research, occupies a well-defined lentoid elevation stretching along the E-W axis, and it encompasses at least three distinct zones. The first zone is the necropolis in the western part of the site, confirmed by archaeological excavations. Geophysical research allows for concluding that the necropolis extended over an area larger than 1 ha. Its southern and eastern boundaries are discernible on the map of magnetic anomalies (Figs. 13.2–7). The second zone is a stretch of land to the east of the necropolis, distinguished by a distinct concentration of archaeological features. The third zone is an area where settlement features also occur, but in much lesser concentrations than in zone 2. Zones 2 and 3 (the eastern one) are distinguished by considerable numbers of artefacts, potsherds in particular, occurring on the surface. In addition, traces of hearths damaged by ploughing were recorded in zone 3 in the form of black spots of various sizes discernible from the level of the ground, and especially from the air (Fig. 13.8). A distinct concentration of features in zone 2 may stem from its transitional nature between the cemetery and the settlement, perhaps with the two partly overlapping at some stages of their development. However, the relatively clear results of the magnetic research only allow for preliminary interpretation of the identified features. The data need to be verified by archaeological excavations. The non-invasive research, especially the magnetic survey, should undoubtedly be extended. It is also worth taking aerial photographs again, in different weather conditions and especially at the time of year when the crops start to grow. This can be expected to reveal previously undetected features, in particular those of settlement nature.

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Conference papers on the topic "Clear zone"

1

Qingyu Peng, Muxi Lei, and Zhengbao Lei. "Notice of Retraction: The roadside clear zone distance research." In 2011 Second International Conference on Mechanic Automation and Control Engineering. IEEE, 2011. http://dx.doi.org/10.1109/mace.2011.5987554.

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Johnson, Nicholas, Yurij Kopilevich, Robert Marthouse, et al. "Features of airborne lidar surveys in clear ocean waters using Coastal Zone Mapping and Imaging Lidar (CZMIL)." In Remote Sensing of the Open and Coastal Ocean and Inland Waters, edited by Robert J. Frouin and Hiroshi Murakami. SPIE, 2018. http://dx.doi.org/10.1117/12.2324749.

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Ryabukha, Anna G., and Dmitry G. Polyakov. "BEAD-SHAPED CHANNEL FORMS OF SMALL RIVERS OF THE STEPPE ZONE OF THE ORENBURG REGION." In Treshnikov readings – 2021 Modern geographical global picture and technology of geographic education. Ulyanovsk State Pedagogical University named after I. N. Ulyanov, 2021. http://dx.doi.org/10.33065/978-5-907216-08-2-2021-62-64.

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Rao, J. S. "Fracture Mechanics Analysis of a Last Stage Steam Turbine Blade Failure." In ASME 1995 Design Engineering Technical Conferences collocated with the ASME 1995 15th International Computers in Engineering Conference and the ASME 1995 9th Annual Engineering Database Symposium. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/detc1995-0513.

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Abstract In the early morning hours on March 31, 1993, a major accident took place in a nuclear power plant located at Narora in Northern India. Blade # 52 of the last stage has shown a clear fatigue fracture at the first landing of its root The fracture surface clearly indicated three zones, the first zone with a crack initiating at the strain raiser point and propagating over a period of time, a second zone where the blade was subjected to a multiple impact type of loading and fresh crack initiation and propagation and the third zone consisting of unstable fracture. This paper describes the

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Hariprasad, V., S. Neelamani, and R. Sundaravadivelu. "Wave Slamming Forces on Horizontal Circular Cylinders in Intertidal Zone." In ASME 2004 23rd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/omae2004-51074.

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Wave forces on slender horizontal and vertical cylinders are normally estimated using Morison equation (1950). When a cylinder is near the free surface, it experiences the slamming force. Wave slamming on horizontal cylinders of any ocean structure is crucial to its design. API Recommended Practice 2A-WSD (2000) recommends slamming coefficient Cs equal to π for circular cross sectional cylinders near the still water level. The shape of the member (circular, rectangular or square) is also expected to alter the values of Cs. The horizontal cylinders in the inter tidal zone for Port craft jetties

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"Innovation and Practice of Cable-Pylon Anchorage Zone Using Group Aggregated Anchor System." In Structural Health Monitoring. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901311-36.

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Abstract: With the development of the cable-stayed bridge, the anchorage form on pylon of cable-stayed has been improved and innovated continuously, and the anchorage methods such as circumferential prestressed anchorage, steel anchor beam and steel anchor box have been gradually formed and developed, which further increases the span of cable-stayed bridge and meets the social needs of economic development and environmental integration. The group aggregated anchorage system between cable and pylon is a kind of anchorage form outside the pylon, which has the characteristics of clear force trans

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Buechel, Andrew, Abir Biswas, Dave Burris, et al. "MERCURY ACCUMULATION IN OLD-GROWTH AND RECENTLY CLEAR-CUT FORESTS IN THE TEPHRA FALL ZONE OF THE 1980 MOUNT ST. HELENS ERUPTION." In 68th Annual Rocky Mountain GSA Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016rm-276254.

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Chen Roy, Ting, Kamel Bennaceur, Daniel Markel, et al. "Liners with Bulk Metallic Glass/High Entropy Alloy, Degradable in Formation Fluids for a Skin Free, Clear, Perforating Tunnel, Enabling Enhanced Reservoir Connectivity." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205902-ms.

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Abstract A shaped charge for wellbore perforation includes a solid metal or powder liner pressed onto a case, sandwiching high explosives which may have varying thermal stability, dictated by the expected time of exposure and bottom hole temperature (BHT). It is common knowledge that post detonation, the liner-jet punctures the gun body and casing, continuing forward to perforate the formation until its eventual collapse. The jet debris is deposited on the crushed zone forming an impermeable skin and a slug at the end of the perforation-tunnel. This reduces fracture conductivity, and thus, pro

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Ohnishi, Takafumi, Tomoaki Nakayama, Kiyotaka Yamashita, Kohro Takatsuka, Tsuneo Akuto, and Hiroshi Yabuno. "A Fundamental Study on Dynamic Contact Behavior of an Ultrasonic Motor (Coexistence of Stick and Slip Contact Zone)." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70358.

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We discuss the dynamic complex contact behavior between the stator and the liner that sticks to the rotor of an ultrasonic motor. An ultrasonic motor is powered by the vibration of the stator and operated by a frictional force between them. Therefore, it is important to examine the dynamic mechanism of the contact behavior to improve the energy efficiency and durability of the ultrasonic motor. We already proposed a numerical technique using the finite element method (FEM) on the basis of incremental theory to analyze the behavior of the complex contact zone which contains non-contact zone, sl

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Bejatovic, Sintia, Martin Agelinchaab, and Mark F. Tachie. "Experimental Study of Turbulent Flow in Two-Dimensional Porous Media." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78292.

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The paper reports on an experimental investigation of turbulent flow through model two-dimensional porous media. The porous media was bounded on one side by a solid plane wall and on the other side by a zone of clear fluid. The model porous media comprised of square arrays of circular acrylic rods that were inserted into precision holes drilled onto pairs of removable plates. The removable plates were then inserted into groves made in the side walls of the test channel. The rods fill about 59% of the channel height. Different combinations of rod diameter and center-to-center spacing were used

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Reports on the topic "Clear zone"

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Maria Luiza Schmitz Fontes, Maria Luiza Schmitz Fontes. Obtaining clean, renewable energy from 'dead zones'. Experiment, 2016. http://dx.doi.org/10.18258/6771.

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Wu, Grace C., Ranjit Deshmukh, Kudakwashe Ndhlukula, Tijana Radojicic, and Jessica Reilly. Renewable Energy Zones for the Africa Clean Energy Corridor. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1328753.

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Douglas, Thomas A., Christopher A. Hiemstra, Stephanie P. Saari, et al. Degrading Permafrost Mapped with Electrical Resistivity Tomography, Airborne Imagery and LiDAR, and Seasonal Thaw Measurements. U.S. Army Engineer Research and Development Center, 2021. http://dx.doi.org/10.21079/11681/41185.

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Accurate identification of the relationships between permafrost extent and landscape patterns helps develop airborne geophysical or remote sensing tools to map permafrost in remote locations or across large areas. These tools are particularly applicable in discontinuous permafrost where climate warming or disturbances such as human development or fire can lead to rapid permafrost degradation. We linked field-based geophysical, point-scale, and imagery surveying measurements to map permafrost at five fire scars on the Tanana Flats in central Alaska. Ground-based elevation surveys, seasonal thaw

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Koritarov, Vladimir, James Kuiper, Kevin Hlava, et al. Energy Zones Study: A Comprehensive Web-Based Mapping Tool to Identify and Analyze Clean Energy Zones in the Eastern Interconnection. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1114087.

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Koritarov, Vladimir, James Kuiper, Kevin Hlava, et al. Energy Zones Study: A Comprehensive Web-Based Mapping Tool to Identify and Analyze Clean Energy Zones in the Eastern Interconnection. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1121042.

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Shan, Jie, and Serkan Ural. Performance Assessment Measure That Indicates Geometry Sufficiency of State Highways: Volume II—Clear Zones and Cross-Section Information Extraction. Purdue University, 2015. http://dx.doi.org/10.5703/1288284315529.

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Comprehensive report to Congress: Clean Coal Technology program: Confined zone dispersion low-NO sub x flue gas desulfurization demonstration. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6399477.

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