Academic literature on the topic 'Fog layer'

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Journal articles on the topic "Fog layer"

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Yan, Shuqi, Hongbin Wang, Xiaohui Liu, Fan Zu, and Duanyang Liu. "Effect of the boundary layer low-level jet on fast fog spatial propagation." Atmospheric Chemistry and Physics 23, no. 21 (2023): 13987–4002. http://dx.doi.org/10.5194/acp-23-13987-2023.

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Abstract. The spatiotemporal variation of fog reflects the complex interactions among fog, boundary layer thermodynamics and synoptic systems. Previous studies revealed that fog can present a fast spatial propagation feature and attribute it to the boundary layer low-level jet (BLLJ), but the effect of the BLLJ on fog propagation is not quantitatively understood. Here we analyze a large-scale fog event in Jiangsu, China, from 20 to 21 January 2020. Satellite retrievals show that fog propagates from the southeast coastal area to the northwest inland area with a speed of 9.6 m s−1, which is 3 ti
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Singh, Sonia, Ankita Bansal, Rajinder Sandhu, and Jagpreet Sidhu. "Fog computing and IoT based healthcare support service for dengue fever." International Journal of Pervasive Computing and Communications 14, no. 2 (2018): 197–207. http://dx.doi.org/10.1108/ijpcc-d-18-00012.

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Purpose This paper has proposed a Fog architecture-based framework, which classifies dengue patients into uninfected, infected and severely infected using a data set built in 2010. The aim of this proposed framework is to developed a latency-aware system for classifying users into different categories based on their respective symptoms using Internet of Things (IoT) sensors and audio and video files. Design/methodology/approach To achieve the aforesaid aim, a smart framework is proposed, which consist of three components, namely, IoT layer, Fog infrastructure and cloud computing. The latency o
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Han, Yu, De Liu, Huan Wang, and Fan Hua Min. "Cause Analysis of Rainy Fog and Radiation Fog in Chongqing." Advanced Materials Research 599 (November 2012): 261–67. http://dx.doi.org/10.4028/www.scientific.net/amr.599.261.

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With the NCEP reanalysis data and L-band radar data to analyze the circulation situation and the vertical structure of temperature, humidity and wind speed of radiation fog and rainy fog in Chongqing by compositely analysis method. The result shows that: When radiation fog takes place, the 500hPa areas of Central Asia and Qinghai-Tibet plateau become high pressure ridge, and the cold front have reached the South China. When rainy fog takes place, the 500hPa area of Qinghai-Tibet plateau is controlled by the low pressure trough and the center of ground cold anticyclone will be in the northern a
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Wang, Zhao Yu, Bin Gui Wu, and He Huang. "Tower Atmosphere Characteristic of Advection Fog." Applied Mechanics and Materials 137 (October 2011): 369–73. http://dx.doi.org/10.4028/www.scientific.net/amm.137.369.

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Using the profile data observed by the Tianjin 250m Meteorological Tower, vertical distribution characteristic of meteorological elements in the advection fog on Feb. 13, 2006 has been analyzed. The results show that the meteorological elements distribution of the fog is distinct from known fog structure. The lower atmosphere state gradually became moist unstable which the temperature decreased at wet-adiabatic lapse rate and humidity increased obviously in 250m companied with the process of the low level jet stream. During the fog continuance, there is a temperature inversion layer in the sur
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Hu, Jianqiang, Keshou Wu, and Wei Liang. "An IPv6-based framework for fog-assisted healthcare monitoring." Advances in Mechanical Engineering 11, no. 1 (2019): 168781401881951. http://dx.doi.org/10.1177/1687814018819515.

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The new generation healthcare monitoring system combines technologies of wireless body sensor network, cloud computing, and Bigdata, and there are still limitations in protocol security, response delay, and prediction of potential severity disease. In response to the above situation, an Internet Protocol Version 6 (IPv6)-based framework for fog-assisted healthcare monitoring is proposed. This framework is composite of body-sensing layer, fog layer, and cloud layer. The body-sensing layer generates physiological data, and fog computing node in fog layer collects and analyses time-sensitive data
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Izett, Jonathan G., and Bas J. H. van de Wiel. "Why Does Fog Deepen? An Analytical Perspective." Atmosphere 11, no. 8 (2020): 865. http://dx.doi.org/10.3390/atmos11080865.

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The overall depth of a fog layer is one of the important factors in determining the hazard that a fog event presents. With discrete observations and often coarse numerical grids, however, fog depth cannot always be accurately determined. To address this, we derive a simple analytical relation that describes the change in depth of a fog interface with time, which depends on the tendencies and vertical gradients of moisture. We also present a lengthscale estimate for the maximum depth over which mixing can occur in order for the fog layer to be sustained, assuming a uniform mixing of the vertica
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Aleisa, Mohammed A., Abdullah Abuhussein, Faisal S. Alsubaei, and Frederick T. Sheldon. "Examining the Performance of Fog-Aided, Cloud-Centered IoT in a Real-World Environment." Sensors 21, no. 21 (2021): 6950. http://dx.doi.org/10.3390/s21216950.

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The fog layer provides substantial benefits in cloud-based IoT applications because it can serve as an aggregation layer and it moves the computation resources nearer to the IoT devices; however, it is important to ensure adequate performance is achieved in such applications, as the devices usually communicate frequently and authenticate with the cloud. This can cause performance and availability issues, which can be dangerous in critical applications such as in the healthcare sector. In this paper, we analyze the efficacy of the fog layer in different architectures in a real-world environment
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Liu, Ruolan, Duanyang Liu, Shujie Yuan, Hong Wu, Fan Zu, and Ruixiang Liu. "Double Inversion Layers Affect Fog–Haze Events over Eastern China—Based on Unmanned Aerial Vehicles Observation." Remote Sensing 15, no. 18 (2023): 4541. http://dx.doi.org/10.3390/rs15184541.

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The goal of this work is to analyze how double inversion layers affect fog–haze events and boundary layers over Eastern China based on unmanned aerial vehicle observations. During 10–12 December 2020, two successive fog–haze events occurred in Eastern China. Based on the unmanned aerial vehicle (UAV), wind, temperature, relative humidity (RH), and aerosol mass concentration were monitored simultaneously in Lianyungang, China. Several observations were found after analyzing the physical fields of these data. The results show that the concentrations of air pollutants during fog events were negat
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Mangla, Cherry, Shalli Rani, and Henry Kwame Atiglah. "Secure Data Transmission Using Quantum Cryptography in Fog Computing." Wireless Communications and Mobile Computing 2022 (January 22, 2022): 1–8. http://dx.doi.org/10.1155/2022/3426811.

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Fog computing’s idea is to bring virtual existence into objects used on a daily basis. The “objects” layer of fog architecture is also known as the smart object layer (SOL). SOL has provided the fog network with a strong platform to outperform. Although the fog architecture decentralizes data, uses more data centers, and collects and transmits it to adjacent servers for faster processing in fog networks, it faces several security challenges. The security problems of fog computing need to be alleviated for the exploitation of all benefits of fog computing in classical networks. This article has
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G., Shruthi, Monica R. Mundada, S. Supreeth, and Bryan Gardiner. "Deep Learning-based Resource Prediction and Mutated Leader Algorithm Enabled Load Balancing in Fog Computing." International Journal of Computer Network and Information Security 15, no. 4 (2023): 84–95. http://dx.doi.org/10.5815/ijcnis.2023.04.08.

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Load balancing plays a major part in improving the performance of fog computing, which has become a requirement in fog layer for distributing all workload in equal manner amongst the current Virtual machines (VMs) in a segment. The distribution of load is a complicated process as it consists of numerous users in fog computing environment. Hence, an effectual technique called Mutated Leader Algorithm (MLA) is proposed for balancing load in fogging environment. Firstly, fog computing is initialized with fog layer, cloud layer and end user layer. Then, task is submitted from end user under fog la
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Dissertations / Theses on the topic "Fog layer"

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Bakhshi, Valojerdi Zeinab. "Persistent Fault-Tolerant Storage at the Fog Layer." Licentiate thesis, Mälardalens högskola, Inbyggda system, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-55680.

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Clouds are powerful computer centers that provide computing and storage facilities that can be remotely accessed. The flexibility and cost-efficiency offered by clouds have made them very popular for business and web applications. The use of clouds is now being extended to safety-critical applications such as factories. However, cloud services do not provide time predictability which creates a hassle for such time-sensitive applications. Moreover, delays in the data communication between clouds and the devices the clouds control are unpredictable. Therefore, to increase predictability an inter
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Harbaugh, Bradley J. "Freezing fog formation in a supercooled boundary layer solving the winter fog forecasting challenge for Elmendorf Air Force Base, Alaska /." Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion.exe/07Mar%5FHarbaugh.pdf.

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Harbaugh, Bradley J. "Freezing fog formation in a supercooled boundary layer solving the winter fog forcasting challenge for Elmendorf Air Force Base, Alaska." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion.exe/07Mar%5FHarbaugh.pdf.

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Crofoot, Robert F. "Investigations of scalar transfer coefficients in fog during the Coupled Boundary Layers and Air Sea Transfer Experiment : a case study." Thesis, Monterey, California. Naval Postgraduate School, 2004. http://hdl.handle.net/10945/1202.

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The uncertainty in the determination of the momentum and scalar fluxes remains one of the main obstacles to accurate numerical forecasts in low to moderate wind conditions. For example, latent heat fluxes computed from data using direct covariance and bulk aerodynamic methods show that there is good agreement in unstable conditions when the latent heat flux values are generally positive. However, the agreement is relatively poor in stable conditions, particularly when the moisture flux is directed downward. If the direct covariance measurements are indeed accurate, then they clearly indic
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Li, F. "DEVELOPMENT OF NANO-MATERIAL FOR FOOD PACKAGING." Doctoral thesis, Università degli Studi di Milano, 2013. http://hdl.handle.net/2434/215685.

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La cellulosa è il polimero naturale più abbondante sulla terra, una risorsa rinnovabile che ogni anno viene prodotta in miliardi di tonnellate da molti organismi vegetali. Per questa ragione, su di essa si sta concentrando una crescente attenzione nell’ipotesi di una sua sempre maggiore applicazione nei più diversi campi. Quello del food packaging, che è ancora fortemente dipendente da materiali di sintesi e provenienti da risorse non rinnovabili, è particolarmente interessato ad un suo più ampio impiego, anche con il fine di aumentare la sostenibilità dei suoi prodotti e di ridurne l’impatt
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Badokhon, Alaa. "An Adaptable, Fog-Computing Machine-to-Machine Internet of Things Communication Framework." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1492450137643915.

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Crofoot, Robert Farrington. "Investigations of scalar transfer coefficients in fog during the Coupled Boundary Layers and Air Sea Transfer experiment : a case study." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/39165.

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Thesis (S.M.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Ocean Engineering; and the Woods Hole Oceanographic Institution), 2005.<br>Includes bibliographical references (leaves 70-72).<br>The uncertainty in the determination of the momentum and scalar fluxes remains one of the main obstacles to accurate numerical forecasts in low to moderate wind conditions. For example, latent heat fluxes computed from data using direct covariance and bulk aerodynamic methods show that there is good agreement in unstable conditions when the latent h
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Bari, Driss. "Etude du brouillard en zone côtière par modélisation des processus physiques de la couche limite atmosphérique : cas du Grand Casablanca (Maroc)." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30316/document.

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Le brouillard est un phénomène météorologique très difficile à prévoir, même à très courte échéance, en raison de sa grande variabilité spatiale et temporelle qui est due à des interactions complexes entre divers processus physiques. Dans cette thèse, les caractéristiques météorologiques locales et les processus synoptiques favorables aux brouillards sur la région du Grand Casablanca (Maroc) sont examinés à l'aide des observations horaires aux deux stations météorologiques permanentes de cette région côtière. Un algorithme de classification objectif est développé et utilisé pour classer les év
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Vehil, Raoul. "Etude de l'effet radiatif de l'aerosol dans la couche limite atmospherique." Toulouse 3, 1987. http://www.theses.fr/1987TOU30259.

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Le travail presente est centre sur la situation ou l'effet radiatif des aerosols modifie la structure de la couche limite atmospherique. Trois situations sont etudiees: le cas des brumes seches, le cas des aerosols urbains et la cas du brouillard. La simulation numerique et l'approche experimentale conduisent au developpement ou la mise au point de programmes de calcul du transfert radiatif
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Liu, Hao [Verfasser]. "Atomic layer deposition for high power laser applications: Al2O3 and HfO2 / Hao Liu." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2018. http://d-nb.info/1174302542/34.

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Books on the topic "Fog layer"

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Ismail, Gultepe, ed. Fog and boundary layer clouds: Fog visibility and forecasting. Birkhäuser, 2007.

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Gultepe, Ismail, ed. Fog and Boundary Layer Clouds: Fog Visibility and Forecasting. Birkhäuser Basel, 2007. http://dx.doi.org/10.1007/978-3-7643-8419-7.

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United Nations Environment Programme. Ozone Secretariat. Synthesis of the reports of the Scientific, Environmental Effects, and Technology and Economic Assessment Panels of the Montreal Protocol: A decade of assessments for decision makers regarding the protection of the ozone layer : 1988-1999. Edited by Albritton Daniel L. 1936- and Kuijpers Lambert. UNEP, 1999.

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Kenneth, King, and Munasinghe Mohan 1945-, eds. Ozone layer protection: Country incremental costs. Global Environment Facility, 1995.

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Workshop for the Implementation of the Montreal Protocol in Pacific Island Countries (2001 Apia, Samoa). Report on the Workshop for the Implementation of the Montreal Protocol in Pacific Island Countries : Apia, Samoa 24-26 April 2001. SPREP, 2001.

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Programme, United Nations Environment, and Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer (12th : 2000 : Ouagadougou, Burkina Faso), eds. 12th Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer: Ouagadougou, Burkina Faso, 11-14 December 2000 : report of the Secretariat on information provided by the parties in accordance with article 7 and 9 of the Montreal Protocol. UNEP, 2000.

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Programme, United Nations Environment, and United Nations Environment Programme. Technology and Economics Assessment Panel, eds. Handbook on essential use nominations. UNEP, 2001.

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Programme, United Nations Environment, and United Nations Environment Programme. Technology and Economics Assessment Panel., eds. Handbook on essential use nominations. UNEP, 1994.

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United Nations Environment Programme. Technology and Economics Assessment Panel. April 1998 report of the Technology and Economic Assessment Panel. United Nations Environment Programme, Ozone Secretariat, 1998.

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Schmall, Vicki L. Living arrangements in later life. Oregon State University Extension Service, Washington State University Cooperative Extension, University of Idaho Cooperative Extension Service, and U.S. Dept. of Agriculture, 1987.

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Book chapters on the topic "Fog layer"

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De La Fuente, Lorenzo, Yves Delage, Serge Desjardins, Allan MacAfee, Garry Pearson, and Harold Ritchie. "Can Sea Fog be Inferred from Operational GEM Forecast Fields?" In Fog and Boundary Layer Clouds: Fog Visibility and Forecasting. Birkhäuser Basel, 2007. http://dx.doi.org/10.1007/978-3-7643-8419-7_12.

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Gultepe, I., R. Tardif, S. C. Michaelides, et al. "Fog Research: A Review of Past Achievements and Future Perspectives." In Fog and Boundary Layer Clouds: Fog Visibility and Forecasting. Birkhäuser Basel, 2007. http://dx.doi.org/10.1007/978-3-7643-8419-7_3.

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Müller, M. D., C. Schmutz, and E. Parlow. "A One-dimensional Ensemble Forecast and Assimilation System for Fog Prediction." In Fog and Boundary Layer Clouds: Fog Visibility and Forecasting. Birkhäuser Basel, 2007. http://dx.doi.org/10.1007/978-3-7643-8419-7_9.

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Roquelaure, Stevie, and Thierry Bergot. "Seasonal Sensitivity on COBEL-ISBA Local Forecast System for Fog and Low Clouds." In Fog and Boundary Layer Clouds: Fog Visibility and Forecasting. Birkhäuser Basel, 2007. http://dx.doi.org/10.1007/978-3-7643-8419-7_11.

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Ordóñez-Morales, Esteban F., Martín López-Nores, Yolanda Blanco-Fernández, Efrén P. Reinoso-Mendoza, Jack F. Bravo-Torres, and José J. Pazos-Arias. "Vehicular Fog Computing on Top of a Virtualization Layer." In Lecture Notes in Computer Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-05081-8_6.

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Hyvärinen, Otto, Jukka Julkunen, and Vesa Nietosvaara. "Climatological Tools for Low Visibility Forecasting." In Fog and Boundary Layer Clouds: Fog Visibility and Forecasting. Birkhäuser Basel, 2007. http://dx.doi.org/10.1007/978-3-7643-8419-7_16.

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Negash, Behailu, Tomi Westerlund, Pasi Liljeberg, and Hannu Tenhunen. "Rethinking ‘Things’ - Fog Layer Interplay in IoT: A Mobile Code Approach." In Lecture Notes in Business Information Processing. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94845-4_14.

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Bessem, J. M., C. Nieuwvelt, J. C. Stouthart, and J. C. H. Zeegers. "A Turbulent Wall Layer Visualization System Using a Dense Fog and a Scanning Laser Beam." In Advances in Turbulence 2. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83822-4_37.

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Brighente, Alessandro, Mauro Conti, and Foroogh Mohammadnia. "Physical Layer Security Challenges and Solutions for Beyond 5G Fog Computing Networks." In Internet of Things. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-08254-2_4.

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Vyas, Mayank, Garv Anand, Ram Narayan Yadav, and Sanjeet Kumar Nayak. "DASA: An Efficient Data Aggregation Algorithm for LoRa Enabled Fog Layer in Smart Agriculture." In Advanced Information Networking and Applications. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-28451-9_4.

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Conference papers on the topic "Fog layer"

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Gopalakrishnan, S., G. Maheswari, Karan S, Praveen K, and Yuvaraja M. "Privacy Perseving Cloud Storage Three Layer Scheme Based on Computational Intelligence in Fog Computing." In 2024 1st International Conference on Sustainable Computing and Integrated Communication in Changing Landscape of AI (ICSCAI). IEEE, 2024. https://doi.org/10.1109/icscai61790.2024.10866972.

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Buck, Robert, and Thomas Williams. "Development of an Advanced Carburizing and Nitriding Stainless Steel." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14887.

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Abstract UNS S41429 is a martensitic stainless steel with a unique alloy chemistry suitable for carburizing or nitriding to create a deep, hard, and stainless surface layer while maintaining a strong, tough and ductile core. UNS S41429 can achieve surface hardness greater than 60 HRC via carburizing while maintaining its stainless properties and fine grain size. It can also be nitrided to a surface hardness of 70 HRC with improved corrosion resistance compared to a similarly-nitrided common martensitic stainless steel (UNS S42000). Salt fog testing per ASTM B117 was done to compare the corrosi
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Draper, R. J., R. D. Klassen, and P. R. Roberge. "Surface-Tolerant, Aluminum-Foil, Tape Coating." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03006.

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Abstract Aluminum foil coatings are applied by adhering a laminated film containing an aluminum foil layer to a steel substrate. Aluminum foil coatings are known to possess better barrier properties and provide better protection to corners (sharp edges) than conventional liquid applied coatings of similar film thickness. A cyclic salt-fog test was used to characterize the corrosion control behavior of various aluminum foil coatings applied to rusted steel. The test data showed that, in addition to controlling corrosion by a barrier mechanism, some of the foil coatings controlled the spread of
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Legakis, Justin. "Fast multi-layer fog." In ACM SIGGRAPH 98 Conference abstracts and applications. ACM Press, 1998. http://dx.doi.org/10.1145/280953.282233.

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Cheng, Yanrong, and Hongyan Qian. "Minimize Fog Nodes in Double-layer Distributed Fog Radio Access Networks." In 2022 IEEE 6th Advanced Information Technology, Electronic and Automation Control Conference (IAEAC ). IEEE, 2022. http://dx.doi.org/10.1109/iaeac54830.2022.9929717.

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Li, Wen. "Trustless Layer for Secure Fog Computing." In ICCSIE 2023: 8th International Conference on Cyber Security and Information Engineering. ACM, 2023. http://dx.doi.org/10.1145/3617184.3630157.

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Bellavista, Paolo, Carlo Giannelli, and Dmitrij David Padalino Montenero. "Multi Layer Routing in SDN-enabled Fog Environments." In ICC 2020 - 2020 IEEE International Conference on Communications (ICC). IEEE, 2020. http://dx.doi.org/10.1109/icc40277.2020.9149289.

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Boya, Sreedhar, Jyothi Jammaluru, Poojitha Reddy Nitturu, Bharath Kumar Golla, and Sreekanth Kobulakonda. "Cloud storage privacy: Triple layer defense with fog." In THE 6TH INTERNATIONAL CONFERENCE OF ICE-ELINVO 2023: Digital Solutions for Sustainable and Green Development. AIP Publishing, 2025. https://doi.org/10.1063/5.0247070.

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Dave, Shrinal, Sheshang Degadwala, and Dhairya Vyas. "DDoS Detection at Fog Layer in Internet of Things." In 2022 International Conference on Edge Computing and Applications (ICECAA). IEEE, 2022. http://dx.doi.org/10.1109/icecaa55415.2022.9936524.

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Yousef, Zahra, Hamza Gharsellaoui, and Walid Barhoumi. "Four-layer Architecture for IoT Security in Fog Network." In 2023 10th International Conference on Internet of Things: Systems, Management and Security (IOTSMS). IEEE, 2023. http://dx.doi.org/10.1109/iotsms59855.2023.10325783.

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Reports on the topic "Fog layer"

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Rigotti, Christophe, and Mohand-Saïd Hacid. Representing and Reasoning on Conceptual Queries Over Image Databases. Aachen University of Technology, 1999. http://dx.doi.org/10.25368/2022.89.

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The problem of content management of multimedia data types (e.g., image, video, graphics) is becoming increasingly important with the development of advanced multimedia applications. Traditional database management systems are inadequate for the handling of such data types. They require new techniques for query formulation, retrieval, evaluation, and navigation. In this paper we develop a knowledge-based framework for modeling and retrieving image data by content. To represent the various aspects of an image object's characteristics, we propose a model which consists of three layers: (1) Featu
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Rigotti, Christophe, and Mohand-Saïd Hacid. Representing and Reasoning on Conceptual Queries Over Image Databases. Aachen University of Technology, 1999. http://dx.doi.org/10.25368/2022.89.

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The problem of content management of multimedia data types (e.g., image, video, graphics) is becoming increasingly important with the development of advanced multimedia applications. Traditional database management systems are inadequate for the handling of such data types. They require new techniques for query formulation, retrieval, evaluation, and navigation. In this paper we develop a knowledge-based framework for modeling and retrieving image data by content. To represent the various aspects of an image object's characteristics, we propose a model which consists of three layers: (1) Featu
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Nantung, Tommy E., Jusang Lee, John E. Haddock, et al. Structural Evaluation of Full-Depth Flexible Pavement Using APT. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317319.

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The fundamentals of rutting behavior for thin full-depth flexible pavements (i.e., asphalt thickness less than 12 inches) are investigated in this study. The scope incorporates an experimental study using full-scale Accelerated Pavement Tests (APTs) to monitor the evolution of each pavement structural layer's transverse profiles. The findings were then employed to verify the local rutting model coefficients used in the current pavement design method, the Mechanistic-Empirical Pavement Design Guide (MEPDG). Four APT sections were constructed using two thin typical pavement structures (seven-and
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DeSantis, John, and Jeffery Roesler. Performance Evaluation of Stabilized Support Layers for Concrete Pavements. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-003.

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A research investigation was conducted on the erosion potential of stabilized subbases under concrete pavements and asphalt layers supporting concrete overlays. Through field surveys and testing in Illinois, this project evaluated if existing concrete pavements with stabilized subbases and concrete overlays were exhibiting potential erosion of the underlying support layer. The field evaluation testing included falling weight deflectometer testing, distress surveys, coring, and ultrasonic tomography scanning. A laboratory performance test was also established using the Hamburg wheel-tracking de
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Bunn, M. I., T. R. Carter, H. A. J. Russell, and C. E. Logan. A semiquantitative representation of uncertainty for the 3D Paleozoic bedrock model of Southern Ontario. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331658.

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The southern Ontario bedrock model is a valuable resource for researchers and practitioners, but its application is subject to uncertainty. To address this issue a semi-quantitative approach to visualize the relative effects of data sparsity for each layer, identify regions where a lack of data support reduces model confidence, and quantify potential errors in data collection and model construction is presented. This analysis summarizes several sources of error, including cartesian position error, error in the vertical position of the formation contact, error between the modelled topographic s
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Qamhia, Issam, Erol Tutumluer, and Han Wang. Aggregate Subgrade Improvements Using Quarry By-products: A Field Investigation. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-017.

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This report presents a case study for constructing aggregate subgrade improvement (ASI) layers using quarry by-product aggregates (QBA), a quarry mix of large primary crushed rocks (PCR) and sand-sized quarry fines. The construction took place at Larry Power Road in Bourbonnais Township in Kankakee County, Illinois, where the Illinois Department of Transportation placed two QBA mixes. The first mix (QBA_M1) consisted of 45% quarry by-products and 55% railroad ballast–sized 3×1 PCR. The second mix (QBA_M2) consisted of 31% and 69% quarry by-products and PCR, respectively. Two conventional ASI s
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Robinson, W., Victor Garcia, Jeb Tingle, James Davis, and Nathan Bowser. Effect of fighter aircraft traffic on full-depth reclamation with thin surface layers. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49629.

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The US Army Engineer Research and Development Center (ERDC) constructed a full-scale test section to evaluate the effectiveness of different pavement surface technologies in sustaining fighter aircraft traffic. A deteriorated thin asphalt pavement was recycled utilizing full-depth reclamation (FDR) techniques with cement stabilization. Relatively thin surfacing solutions constructed with either conventional hot mix asphalt (HMA) or nontraditional surface materials were placed on the FDR layer and trafficked with a single-wheel F-15 load cart. Rutting behavior, instrumentation response, and non
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Laxmi Prasanna, Porandla, B. Anil kumar, and Macha Sahithi. A STUDY TO EVALUATE THE TEAR FILM CHANGES IN PATIENTS WITH PTERYGIUM. World Wide Journals, 2023. http://dx.doi.org/10.36106/ijar/3408221.

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Introduction: Pterygium is a degenerative condition of the subconjunctival tissues which proliferate as vascularized granulation tissue to invade the cornea, destroying the supercial layers of the stroma and bowmans membrane, the whole being covered by conjunctival epithelium.The tear lm consists of three layers, the most supercial layer of tear lm is lipid layer produced by meibomian glands. The middle layer is the aqueous layer produced by the main lacrimal gland as well as accessory lacrimal glands of Krause and Wolfring. Aqueous layer constitutes over 90% of the tear lm. The layer clo
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Koch, J., E. Dewald, N. Izumi, B. Kozioziemski, O. Landen, and C. Siders. Pulsed Laser-Based X-Ray Sources for Rapid-Cool DT Layer Characterization. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/917894.

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Grossir, Guillaume. On the design of quiet hypersonic wind tunnels. Von Karman Institute for Fluid Dynamics, 2020. http://dx.doi.org/10.35294/tm57.

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This document presents a thorough literature review on the development of hypersonic quiet tunnels. The concept of boundary layer transition in high-speed flows is presented first. Its consequences on the free-stream turbulence levels in ground facilities are reviewed next, demonstrating that running boundary layers along the nozzle walls must remain laminar for quiet operation. The design key points that enable laminar boundary layers and hypersonic operation with low free-stream noise levels are then identified and discussed. The few quiet facilities currently operating through the world are
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