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Добірка наукової літератури з теми "LAND SLIPPERY"

Автор: Grafiati

Опубліковано: 11 вересня 2023

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Статті в журналах з теми "LAND SLIPPERY"

Tenenbaum, David J. "Land Use. The Slippery Slope of Ski Expansion." Environmental Health Perspectives 109, no. 3 (March 2001): A112. http://dx.doi.org/10.2307/3434674.

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Kazama, Toshiharu. "Numerical Simulation of a Slipper Model with Multi-Lands and Grooves for Hydraulic Piston Pumps and Motors in Mixed Lubrication." Lubricants 7, no. 7 (June 27, 2019): 55. http://dx.doi.org/10.3390/lubricants7070055.

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A theoretical model of a slipper with multi-lands and multi-grooves for swashplate type axial piston pumps and motors was established, including surface interactions. Further, a numerical simulation was conducted under an unsteady state and mixed lubrication conditions. Four model configurations were considered: A slipper with a single main land; a slipper with inner and main lands and a groove; a slipper with outer and main lands and a groove; and a slipper with inner, main, and outer lands with two grooves. Numerical solutions were obtained across a wide range of operating conditions in terms of center clearance, pad attitude, contact pressure, flow rate, friction torque, power loss, and stiffness. The motion and characteristics were differentiated into two groups: Slippers with a single-land and an annex inner-land; and slippers with an annex outer-land and a triple-land. The single-land and annex inner-land slippers exhibited smaller pad swing, whereas the triple-land and annex outer-land slippers reduced contact pressure and power loss.

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Prins, Annemiek. "Slippery Entanglements: Spiritual and Gendered Experiences of Uncertainty in the Riverine Context of Bengali Char lands." Religions 12, no. 11 (October 20, 2021): 906. http://dx.doi.org/10.3390/rel12110906.

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This paper focuses on the spiritual and gendered experiences of dwelling-in-uncertainty in the context of Bengali char lands. Chars are temporary sandbanks in the river that continuously erode and re-emerge as the river changes course, thereby subjecting their inhabitants to repetitious cycles of losing and regaining land. In this paper I take the ethnographic literature on Bengali chars as a point of departure for exploring what the radical uncertainty of climate change might mean in a context where erosion or land loss does not necessarily involve the irreversible loss of a particular habitat, but often coincides with the anticipation of return. In analyzing the gendered ways in which char dwellers navigate this spiraling cycle of land loss and return, I draw specific attention to the churning, immaterial and spiritual powers that reside below and beyond the water, thereby highlighting the ways in which people are caught up in a land/waterscape that is only knowable to some extent. Whereas debates around climate change often treat religion and spirituality as either obstacles to knowledge or vehicles of meaningful storytelling, this paper deliberately foregrounds the more-than-human forces that linger at the periphery of people’s perception and knowledge of the world. In doing so, the paper seeks to move beyond probabilistic notions of climate change and adaptation towards a diverse understanding of the existential uncertainties of the Anthropocene.

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Bhagat, Sadan Kumar. "Situation of Land Transportation in Nepal." Tribhuvan University Journal 31, no. 1-2 (December 31, 2017): 193–206. http://dx.doi.org/10.3126/tuj.v31i1-2.25355.

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There is a close relation between increment of transportation (roads and vehicles) and socio-economic development of the nation however, present condition of Nepal is discouraging. The study deals with present situation of land transportation, its problems with suggestions. An attempt has been made to point out causes and nature of road accidents, problems faced by general people and businessmen during travel and transportation of cargo. This study reveals that out of 29157 kilometers available road network only 12305 kilometers (42.20 %) road was black topped and the condition of road was miserable because there was no proper and regular repair and maintenance. Graveled roads were in very poor condition and in most of the roads and bridges were not constructed. Earthen roads were not suitable for travelling in rainy season. The buses run on long routes were found violating norm of keeping double drivers, the speed of vehicle remained higher than limit. They unnecessarily used loud or pressurize horn which had created noise pollution. The vehicles moved on graveled and earthen roads had been operating in poor condition. Vehicles were very old and damaged and only a few vehicles moved on certain routes. Vehicle accident incidences had frequently occurred in hilly areas where vehicles plunged down from the road and number of fatalities and injuries were found in double digit. The major reasons of accidents were high speed of vehicles, steering or brake failure, untrained and intoxicated drivers, driving by cleaner/conductor, continuous long duty hours of drivers, poor condition of vehicle, muddy and slippery roads, haphazard overtaking practice on single lane roads, lack of concentration of drivers on driving , non-observance of safety measures, traffic rules and signs, drove vehicle without wearing seat belt/helmet, kept more passengers than allowed/available seats, hung passengers on gate, backside and roof, loaded cargo beyond the limited weight and height respectively.

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Koc, E., C. J. Hooke, and K. Y. Li. "Slipper Balance in Axial Piston Pumps and Motors." Journal of Tribology 114, no. 4 (October 1, 1992): 766–72. http://dx.doi.org/10.1115/1.2920946.

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The paper presents the results of an experimental and theoretical investigation of the effect of clamping ratio and orifice size on the performance of slippers in axial piston pumps and motors. Polishing of the running face to a slightly convex form appears to be essential for successful operation under all conditions. It is shown that slippers operate perfectly satisfactorily with the orifice blanked and, indeed, are generally most stable in this condition. Introduction of the orifice in under-clamped slippers increases the clearance. However it can also destabilise the slipper resulting in the slipper becoming sensitive to the effect of tilting couples. The effect on overclamped designs is more complex depending on the precise value of clamping ratio and on the width of the slipper land.

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Manikandan, Sundaram, Ganesan Kaliyaperumal, Saqib Hakak, and Thippa Reddy Gadekallu. "Curve-Aware Model Predictive Control (C-MPC) Trajectory Tracking for Automated Guided Vehicle (AGV) over On-Road, In-Door, and Agricultural-Land." Sustainability 14, no. 19 (September 23, 2022): 12021. http://dx.doi.org/10.3390/su141912021.

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Navigating the AGV over the curve path is a difficult problem in all types of navigation (landmark, behavior, vision, and GPS). A single path tracking algorithm is required to navigate the AGV in a mixed environment that includes indoor, on-road, and agricultural terrain. In this paper, two types of proposed methods are presented. First, the curvature information from the generated trajectory (path) data is extracted. Second, the improved curve-aware MPC (C-MPC) algorithm navigates AGV in a mixed environment. The results of the real-time experiments demonstrated that the proposed curve finding algorithm successfully extracted curves from all types of terrain (indoor, on-road, and agricultural-land) path data with low type 1 (percentage of the unidentified curve) and type 2 (extra waypoints added to identified curve) errors, and eliminated path noise (hand-drawn line error over map). The AGV was navigated using C-MPC, and the real-time and simulation results reveal that the proposed path tracking technique for the mixed environment (indoor, on-road, agricultural-land, and agricultural-land with slippery error) successfully navigated the AGV and had a lower RMSE lateral and longitudinal error than the existing path tracking algorithm.

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Hooke, C. J., and K. Y. Li. "The Lubrication of Slippers in Axial Piston Pumps and Motors—the Effect of Tilting Couples." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 203, no. 5 (September 1989): 343–50. http://dx.doi.org/10.1243/pime_proc_1989_203_123_02.

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In addition to the load from the fluid pressure acting on the piston, slippers in axial piston pumps and motors must carry couples produced by the centrifugal loads from pump rotation and by the friction acting at the piston/slipper ball joint. These couples have a major influence on slipper performance and largely control the slipper clearance and leakage. Small amounts of surface non-flatness are known to be necessary for slipper lubrication and it is shown that, on this basis, the behaviour of slippers when subject to tilting couples can be satisfactorily predicted. Neither the magnitude nor precise shape of the surface profile appears to be of critical importance provided that the slipper lands have a generally rounded and convex profile. Measured clearances under slippers subject to tilting couples confirm the theoretical predictions.

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Senelick, Laurence. "Odysseus in Academe." Theatre Survey 57, no. 3 (August 10, 2016): 383–85. http://dx.doi.org/10.1017/s0040557416000338.

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The past sixty years of theatre studies recall the travels of Odysseus. It had a narrow escape from being devoured and digested by the Gallic Cyclops that dwelt in the Cave of Theory. It lingered in the Lotos-land of performance studies, gorging on a bottomless buffet of human activity. It hearkened to siren songs luring it to seductive but slippery shoals of anthropology, ethnography, sociology, and neuroscience. Some of its crew has suffered a Circean transformation into omnivorously rooting cultural critics. Its vocabulary has been inflated by Aeolus, king of winds. Meanwhile, back home there languishes its consort, History, knotting and unknotting a tapestry of documentary material and archival research while urged to bed by suitors from foreign realms.

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Creamer, N. G. "Sustainable Agriculture—Another Method of Attracting Highquality Students." HortScience 32, no. 3 (June 1997): 554B—554. http://dx.doi.org/10.21273/hortsci.32.3.554b.

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While enrollment is dropping in many commodity-based curriculums, one key program area of interest to many students is sustainable agriculture. Some land-grant universities are initiating undergraduate and graduate programs, or concentrations in Sustainable Agriculture, to meet this student demand. Many smaller colleges (for example, Delaware Valley College, Slippery Rock Univ., and Warren Wilson College) are also offering a focus in this area as well. These programs often include an experiential learning component through internships and other hands-on activities. Examples of some of the courses being offered include Principles and Practices of Sustainable Agriculture, Agricultural Ecosystems, Sustainable Agriculture Processes in Plant Horticulture and Animal Husbandry, and Fertility Considerations in Regenerative Agriculture. In this presentation, I summarize ongoing programs nationwide, and discuss the impact these programs are having on student enrollment.

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William-White, Lisa, and Jazmin White. "Color Marks the Site/Sight of Social Difference." Qualitative Inquiry 17, no. 9 (October 17, 2011): 837–53. http://dx.doi.org/10.1177/1077800411423201.

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Though racism in the form of blatant de facto and de jure policies and domestic terrorism is no longer the law of the land as was the case before, and during the Civil Rights Movement, an intensified dysconscious and color-blind racism has propelled itself in the post–Civil Rights United States, particularly in this “Age of Obama”; one that manifests in semantically slippery and rhetorically convoluted discourses. Consequently to illuminate this specter of American racism, critical race theory and spoken word performative poetics join forces here in an interpretive conarrated description of rhetoric that has recently emerged in the mainstream media—a discourse that attempts (a) to deny Black persons the right to human dignity; (b) to distort and invalidate Black persons’ ideas, thoughts, and feelings; and (c) to deny one’s right to claim and affirm one’s personal identity.

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Дисертації з теми "LAND SLIPPERY"

Alekseeva, Natalia Mihajlovna, and Natalia Alekseeva. "Developing an autosteering of road motor vehicles in slippery road conditions." Thesis, https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB13155942/?lang=0, 2020. https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB13155942/?lang=0.

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In the nearest future, the human driver is viewed as a reliable backup even for the fully automated road motor vehicles (cars). Indeed, the driver is assumed to swiftly take the control of the car in cases of suddenly occurring (i) challenging environmental conditions, (ii) complex unforeseen driving situations, or (iii) degradation of performance of the car. However, due to the cognitive overload in such a sudden, stressful takeover of the control, the driver would often experience the startle effect, which usually results in an unconscious, instinctive, yet incorrect response. An extreme case of startle is freezing, in which the driver might be incapable to respond to the sudden takeover of control at all. The possible approaches to alleviate the startle during the takeover of control (i.e., the automation startle) include an offset- (i.e., either early- or delayed-), gradual yielding the controls to the driver. In the cases considered above, however, these approaches are hardly applicable because of (i) the presumed unpredictability of the events that result in the need of takeover of control, and (ii) the severe time constraints of the latter. Conversely, the objective of our research is to propose an approach of minimizing the need of yielding the control to the driver in challenging environmental conditions by guaranteeing an adequate automated control in these conditions. Focusing on slippery roads as an instance of challenging conditions, and steering control as an instance of control, we aim at developing such an automated steering that controls the car adequately in various road surfaces featuring low friction coefficients without the need of driver’s intervention.In order to develop such an automated steering we employed an in-house evolutionary computation framework – XML-based genetic programming (XGP) – which offers a flexible, portable, and human readable representation of the evolved optimal steering functions. The trial runs of the evolved steering functions were performed in the Open Source Racing Car Simulator (TORCS), which features a realistic, yet computationally efficient simulation of the car and its environment. The obtained experimental results indicate that due to the challenging dynamics of the unstable car on slippery roads, neither the canonical (tuned) servo-control (as a variant of PD) nor the (tuned) PID-controller could control the car adequately on slippery roads. On the other hand, the controller, featuring a relaxed, arbitrary structure evolved by XGP outperforms both the servo- and PID controllers in that it results in a minimal deviation of the car from its intended trajectory in rainy, snowy, and icy road conditions. Moreover, the evolved steering that employs anticipated perceptions is even superior as it could anticipate the imminent understeering of the car at the entry of the turns and consequently – to compensate for such an understeering by proactively turning the steering wheels in advance – well before entering the turn. The obtained results suggest a human competitiveness of the evolved automated steering as it outperforms the commonly used alternative steering controllers proposed by human experts. The research could be viewed as a step towards the evolutionary development of automated steering of cars in challenging environmental conditions.
博士(工学)
Doctor of Philosophy in Engineering
同志社大学
Doshisha University

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Rizzi, Matteo. "Steering Behaviour of 44 Drivers in Lane Change Manoeuvres on a Slippery Surface." Thesis, Linköping University, Department of Science and Technology, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-3027.

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This master thesis deals with experimental data that were collected through a crash avoidance experiment (which was lead by Professor Lennart Strandberg) in February and March 1990. Fifty-two ordinary drivers were instructed to perform two different kinds of manoeuvres on ice to determine the effectiveness of antilock brakes and of four tyre configurations. Results were reported at the 1991 ESV Conference.

The first aim of this master thesis is to check and revise the measured data (used by Prof. Strandberg in courses at Linköping University). Checking out many hours of video recordings from onboard cameras reveals various protocol inconsistencies and errors, which in some cases it is not possible to correct. This work might increase the reliability of any further analysis of these data.

The second aim is to elaborate on the revised data and to test the hypothesis that quick steering is a key factor to not lose control of the car during a crash avoidance manoeuvre. Different variables are introduced and used to estimate the steering wheel velocity and lateral friction use.

The results show linear (positive) correlations between lateral friction use and steering wheel velocity. The greatest steering wheel velocities appear in the tests with loss-of-control and reach values up to 1180 degrees per second. However, the 1990 experimental layout was not intended for this type of research questions and it seems difficult to determine the causal relationship between quick steering and control of the car. Some cases of excessive steering input might have occurred. The results indicate that quick steering by itself is not enough to guarantee the total control of the car. An early reaction to the skid might be necessary too. Evidently, further research is needed.

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KUMAR, ANMOL. "LANDSLIDE SUSCEPTIBILTY ZONATION MAPPING USING GIS FOR IDUKKI REGION." Thesis, 2021. http://dspace.dtu.ac.in:8080/jspui/handle/repository/19708.

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When weathering causes a rock to crumble and decay, the shabby material, wet with rain water, May float due to gravity.The phrase "land slippery" denotes to a rapid downhill slide movement of rock rubble. They may grow on any piece of ground if the soil, moisture, and slope conditions are rig ht. Landslides are an important part of the earth science activities on the surface of the planet and for happening of those when he condition of the soil is good and moisture contain is maintained and angle of slope must be maintained .Due to landslide failure of slopes, failure of earth surface and flow of mud, flow of boulders, can happened .the main factor of the movement is due to either earthquake which shakes the earth surface and movement of mass can happened and it could occur due to when deep excavation could have been made for the construction of various structures like buildings and it could happen because when the precipitation is heavy and its happening for long duration like what happened in Idukki in 2019. Water is not only the factor for landslide or movement of slope but weathering of rocks plays a predominant role in landslide .shear strength of the rocks is reduced due to weathering. Many researchers have found that the main reason is weight of building and their slope which act downwards due to gravity is one of the main reason for movement .to prevent the movement of mass some resisting force is applied which is in the opposite direction of friction angle and when the earthquake is for long duration the forces is automatically reduced for different kind of landslide the movement speed will be different its depend on the weight of the mass movement.

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Книги з теми "LAND SLIPPERY"

A slippery land. Place of publication not identified]: [Rick Conti], 2016.

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Johansson, Amadeus. Composition Notebook: Unicorns of the Land and Sea Avenging Pens Party Plates Slippers Crystal Fingerlings Narwhal Notebook Journal Notebook Blank Lined Ruled 6x9 100 Pages. Independently Published, 2020.

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Engstrom, Hannah. Composition Notebook: One If by Land Two If by Sea Avenging Pens Party Plates Slippers Crystal Fingerlings Narwhal Notebook Journal Notebook Blank Lined Ruled 6x9 100 Pages. Independently Published, 2020.

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Частини книг з теми "LAND SLIPPERY"

Bott, Raoul. "[102] Life on the Slippery Lane—Between Mathematics and Physics." In Raoul Bott: Collected Papers, 221–31. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51781-0_25.

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"Secret Combinations and Slippery Treasures in the Land of Zarahemla." In The Refiner's Fire, 149–83. Cambridge University Press, 1994. http://dx.doi.org/10.1017/cbo9780511583568.008.

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Huysmans, Joris-karl. "6." In Against Nature. Oxford University Press, 2009. http://dx.doi.org/10.1093/owc/9780199555116.003.0007.

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Sunk into a huge wing chair, his feet resting on the gilded, bulbous ends of the andirons, his slippers scorched by the logs which crackled and shot forth bright darts of flame as though whipped by a blowpipe’s fierce blast, Des Esseintes laid down upon...

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Juo, Anthony S. R., and Kathrin Franzluebbers. "Properties and Management of Allophanic Soils." In Tropical Soils. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195115987.003.0017.

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Allophanic soils are dark-colored young soils derived mainly from volcanic ash. These soils typically have a low bulk density (< 0.9 Mg/m3), a high water retention capacity (100% by weight at field capacity), and contain predominantly allophanes, imogolite, halloysite, and amorphous Al silicates in the clay fraction. These soils are found in small, restricted areas with volcanic activity. Worldwide, there are about 120 million ha of allophanic soils, which is about 1% of the Earth's ice-free land surface. In tropical regions, allophanic soils are among the most productive and intensively used agricultural soils. They occur in the Philippines, Indonesia, Papua New Guinea, the Caribbean and South Pacific islands, East Africa, Central America, and the Andean rim of South America. Allophanic soils are primarily Andisols and andic Inceptisols, Entisols, Mollisols, and Alfisols according to the Soil Taxonomy classification. Allophanic soils generally have a dark-colored surface soil, slippery or greasy consistency, a predominantly crumb and granular structure, and a low bulk density ranging from 0.3 to 0.8 Mg/m3. Although allophanic soils are apparently well-drained, they still have a very high water content many days after rain. When the soil is pressed between fingers, it gives a plastic, greasy, but non-sticky sensation of a silty or loamy texture. When dry, the soil loses its greasiness and becomes friable and powdery. The low bulk density of allophanic soils is closely related to the high soil porosity. For example, moderately weathered allophanic soils typically have a total porosity of 78%, with macro-, meso-, and micropores occupying 13%, 33%, and 32%, respectively. Water retained in the mesopores is readily available for plant uptake. Water retained in the micropores is held strongly by soil particles and is not readily available for plant use. The macropores provide soil aeration and facilitate water infiltration. The high water retention capacity is also associated with the high soil porosity. In allophanic soils formed under a humid climate, especially those containing large amounts of allophane, the moisture content at field capacity can be as high as 300%, calculated on a weight basis. Such extremely high values of water content seem misleading.

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Maltman, Alex. "Sediments and Sedimentary Rocks." In Vineyards, Rocks, and Soils. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190863289.003.0010.

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We are on more familiar ground in this chapter, looking at processes and materials found in the world all around us. Even the names of sedimentary rocks are well known—sandstone, shale, limestone, and so on. Clearly, these materials are highly relevant to vineyard geology because more than three-quarters of the land surface is sedimentary in origin: most of the world’s vineyard areas are underlain by sedimentary rocks. Sediment is the detritus produced from the weathering of already existing rocks. (I explore the process in Chapter 9.) Usually, wind, ice, or water soon moves the debris away, eventually to be deposited and then buried beneath further sediment and with time hardened into sedimentary rock. Weathering can also dissolve material, later to be precipitated. And, needless to say, all the sediment in question here is of geological origin; it has nothing to do with the organic sediment that is thrown, say, in a bottle of vintage port! Wind and flowing water may be able to pick up sediment and move it, depending on the size of the fragments. Faster-moving currents can carry bigger particles: it’s to do with energy, as discussed in the context of rivers in Chapter 8 (see Figure 8.8). The result is sediment sorting. We can easily see the results on a beach—a sandy spot here, a pebbly patch there—because the tides and shore currents have moved the sediment around and sorted it. Thus, most detrital sediments have a characteristic grain size, and we use this to classify the material. The terms for the different sizes are pretty much in line with everyday language: sand, silt, clay, and so on (Figure 5.1). Clay is the finest sediment. It’s composed mainly of the tiny clay minerals that we met in Chapter 3 and has the smooth, slippery feel and handling properties we’re all familiar with; the individual constituent particles are far too fine to see, even with a powerful hand lens. Imagine: if we scaled up a grain of sand to the size of a wine cask, then an individual clay flake would be smaller than a coin.

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Ludlow, Morwenna. "Christian Literary Identity and Rhetoric about Style." In Rhetoric and Religious Identity in Late Antiquity, 231–50. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198813194.003.0015.

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How was Christian identity related to literary style? Ancient authors wanting to establish their discourse as morally serious would lay claim to plain (or sublime) speech, whilst depicting their rivals’ words as over-elaborate. Questions of style thus became associated with moral qualities, especially in philosophers’ ‘rhetoric about rhetoric’. Then Christians laid claim to the plainest of all styles: that (supposedly) of the gospel. This chapter argues that all such claims about style are rhetorical, because they are based on the slippery notion of the ‘appropriate’ and are not absolute but comparative. In fact, Christians used all three stylistic modes (‘plain’/‘slender’, ‘pleasant’, and ‘majestic’/‘sublime’) and identified them in the Bible. Their claims about their own and their opponents’ styles thus need to be read with an awareness of how they are being used rhetorically in attempts to establish claims about true Christian discourse and morally superior speakers.

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Jeffs, Andrew, Carly Daniels, and Kevin Heasman. "Aquaculture of Marine Lobsters." In Fisheries and Aquaculture, 286–312. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780190865627.003.0012.

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Marine lobsters include some of the most highly prized and valuable seafood species in the world. Accessible wild populations of edible lobster species are under increasing pressure from harvesting, habitat loss, disease, pollution and climate change. To provide an alternative supply, there have been extensive efforts to develop aquaculture methods for many species of marine lobsters, but with slow progress. A range of unfavorable biological attributes of marine lobsters has constrained their development for aquaculture, including complex life cycles, low fecundity, extended larval periods, slow growth, and cannibalism. A lack of knowledge of aspects of the fundamental biology of many species has also made it challenging to advance aquaculture techniques. Currently, the only extensive commercial aquaculture of marine lobsters occurs in Vietnam, with annual production of well over 1,000 t of spiny lobsters. This involves the wild capture and mariculture of early juveniles of several species of spiny lobsters in simple floating sea cages and feeding them on freshly caught marine life, mostly small coastal fish and benthic invertebrates. The success of this apparently simple technology indicates the opportunity for increased aquaculture production as soon as the recent advances in larval culture of spiny (Palinuridae) and slipper (Scyllaridae) lobsters can provide a large and sustainable source of juveniles. While viable larval culture methods for the American and European clawed lobsters (Homaridae) have been available for some time, more recent advances with compartmentalized land- and sea-based culture systems show promise in overcoming the cannibalistic behavior of these species, an essential step toward developing commercially viable aquaculture. The likely emergence of large-scale commercial aquaculture of marine lobsters in the next decade has the potential to provide an alternative supply of lobsters into global seafood markets, with the prospect of relieving fishing pressure on wild populations of marine lobsters.

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Тези доповідей конференцій з теми "LAND SLIPPERY"

Reed, Howard C. "Oil Mist Eliminators Are an Excellent Upgrade to a Gas Turbine Package." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-28112.

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The installation of an oil mist eliminator on a gas turbine generating or compression package is a real asset to a newly designed system and a very good enhancement to units that have been operating in the field for several years. The mist eliminator not only helps a facility to comply with environmental regulations by removing the oil mist generated by high-speed rotating equipment, but also returns the coalesced oil that would be lost during the venting process, to the lube oil reservoir, greatly reducing make-up oil costs. Another by-product of the installation of a mist eliminator system is the prevention of oil mist settling on the equipment, floors, handrails, and staircases which not only creates an unpleasant work environment but possibly a dangerously slippery safety hazard. The various mist eliminator systems available will, as designed, or can be adapted to, comply with the individual turbine owner’s specific application and project requirements in solving his emission issues.

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Bergada, J. M., and J. Watton. "Axial Piston Pump Slipper Balance With Multiple Lands." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39338.

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An explicit approach is developed which results in general flow and pressure drop equations for a multiple land slipper. A particular, and common, case of one balancing groove is considered allowing more accurate assessment of the pressure balance and probable slipper clearance. A comparison with the no-groove case is also made.

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Fan, Youming, Lin Li, and Fengqi Zhang. "Intelligent Vehicle Lane-Change Trajectory Planning on Slippery Road Surface Using Nonlinear Programming." In 2022 41st Chinese Control Conference (CCC). IEEE, 2022. http://dx.doi.org/10.23919/ccc55666.2022.9901885.

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Hahn, J. O., R. Rajamani, and L. Alexander. "GPS-Based Real-Time Identification of Tire-Road Friction Coefficient." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32157.

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Vehicle control systems such as collision avoidance, adaptive cruise control and automated lane-keeping systems as well as ABS and stability control systems can benefit significantly from being made “road-adaptive”. The estimation of tire-road friction coefficient at the wheels allows the control algorithm in such systems to adapt to external driving conditions. This paper develops a new tire-road friction coefficient estimation algorithm based on measurements related to the lateral dynamics of the vehicle. A lateral tire force model parameterized as a function of slip angle, friction coefficient, normal force and cornering stiffness is used. A real-time parameter identification algorithm that utilizes measurements from a differential GPS system and a gyroscope is used to identify the tire-road friction coefficient and cornering stiffness parameters of the tire. The advantage of the developed algorithm is that it does not require large longitudinal slip in order to provide reliable friction estimates. Simulation studies indicate that a parameter convergence rate of one second can be obtained. Experiments conducted on both dry and slippery road indicate that the algorithm can work very effectively in identifying a slippery road. Two other new approaches to real-time tire road friction identification system are also discussed in the paper.

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Thompson, Richard A. "Photonic Time-Multiplexed Permutation Switching using the Dilated Slipped Banyan Network." In Photonic Switching. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/phs.1991.we6.

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A new switching network architecture, called the Dilated Slipped Banyan Network(DSBN), is proposed for the hub of a photonic active-star Local Area Network (LAN). A lithium niobate implementation of a classical 4-by-4 banyan architecture was proposed[1]: for bit-interleaved time-multiplexing. The DSBN has properties, described herein, that make it more general in size and more amenable to lithium niobate implementation than the classical banyan. Furthermore, since the active-star LAN application could use a word-interleaved data format instead of a bit-interleaved format, the hub switch need not be bit-synchronous with the data.

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Bustinza, Juan A., Ricardo J. Rocca, Marcelo E. Zeballos, and Roberto E. Terzariol. "Rerouting of a Pipeline due to Landslide Reactivation in an Andean Valley." In ASME 2013 International Pipeline Geotechnical Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ipg2013-1960.

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The bi-national pipeline Loma de la Lata (Argentina)-Talcahuano (Chile) belonging to Gas del Pacifico, crosses the Andes at Latitude 37.1° South (Buta Mallin pass), following the Lileo river valley. In the region, there are large ancient landslides within an area of about 50 km2, which have been attributed to Holocene glaciations and seismic activity. In the winter of 2005, when snow limited the access to the area, it was found a pressure loss, that later was attributed to a landslide in a sector of the south bank of the valley. The adiabatic expansion generated a considerable volume of frozen soil around the pipe. The following summer it was studied the characteristics of the sliding and analyzed different solutions of the affected section. The geotechnical study showed details of the slipped area and its relationships with ancient landslides. It was found by comparative analysis of aerial photographs that an old slide about 1 km3 was not fully reactivated. The general morphology has remained unchanged at least in the last 50 years, when the oldest aerial photography was taken. As additional verification, it was found that a small set of cascading ponds located in the slipped mass, has remained stable at that time, bearing the influence of the great 1960 Mw = 9.6 Valdivia earthquake. It was identified tension cracks delimiting the slipped area that was a modest portion of the historical landslide. Geotechnical parameters were estimated by back analysis of the land involved and it could establish a model for sliding mass process. A general analysis of long-term stability took into account the influence of distant earthquakes such as the subduction zone, which has a recurrence of about 100 years and other local seismic sources. Prior to define the most appropriate solution, a 250 meters long trench was dug preventively releasing the pipeline from the terrain to avoid new deformations. Among the solutions considered were the construction of an absorption system with movement monitoring, or the relocation of the trace on the opposite bank of the river. It was decided to adopt the latter solution due to the difficulty of ensuring the stability of the terrain and the inaccessibility during the winter. It implied an additional river crossing and consequently, the need to monitor the stability of the channel to the river erosion.

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Grisoni, Michela Marisa. "The struggle for Stone-dry walling: the ambition to protect both processes and products." In HERITAGE2022 International Conference on Vernacular Heritage: Culture, People and Sustainability. Valencia: Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/heritage2022.2022.15264.

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Quoting from the inscription into the Intangible Cultural Heritage List (2018), the art of dry-stone walling concerns “the know-how” related to making stone constructions that explains the interest towards the product process as well as the product itself. The protection of the ability in stones selection and their placement, without mortar or dry soil at most, has moved the attention from walls to walling too. As a result, the idea of authenticity should be rediscussed to preserve not only some existing monuments and amazing landscape, but a living heritage and a sustainable land use. A risk occurs in some coastal areas, both maritime or front lake, and in the valleys, of the Alps or the Apennines. These places are the most sensitive to residential and receptive exploitation; as a result, an aesthetic landscape perception is taking advantage against its structural conception and the authentic art construction for dwelling (buildings), farming (terraced arrangements) or husbandry (cow-walls). The awareness of the role of dry building for the consolidation of the slopes, the protection of the mountain and the harmonious relationship between environments and species the inscription would preserve, is misunderstood. In Italy some evident ambiguities are occurring into practice and local behaviours. Although the inscription has invited preservation program, the governance of the art of terraced arrangement seems often reduced to a picturesque disposal; misunderstood if not betrayed in its authenticity both as a product and as a process. Some case studies are proposed to point out this slipped issue, considering the Lake of Como as an elective observation area. By the presentation of some real examples, both virtuous and critical, a discussion and comparison with other contexts, both national and international, should eventually be favoured.

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