Relevant bibliographies by topics / Non uniformity factor

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Non uniformity factor'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Non uniformity factor"

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Shanmugam, Mathiyazhagan, and Lakshmi Sirisha Maganti. "Evaluation of Heat Flux Distribution Characteristics of a Concentrated Solar Dish Collector with different geometric indices." IOP Conference Series: Earth and Environmental Science 1100, no. 1 (2022): 012001. http://dx.doi.org/10.1088/1755-1315/1100/1/012001.

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Abstract The concentrated solar dish collector is a promising technology for generating both electricity and thermal energy together and it is termed as concentrated photovoltaic thermal. The important component of the parabolic dish collector is the absorber; where all concentrated lights are falling. The present paper has investigated the heat flux distribution characteristics of the flat plate absorber based solar dish collector by using the ray-tracing simulations. In concentrating dish collector, rim angle and dish diameter are significant factor of the flux distributions. The present stu
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Qu, Shou Ping, Tian Zhu Liang, and Zhong Shu Zhang. "Research of GaAs Polishing Uniformity on Non-Abrasive Cryogenic Conditions." Advanced Materials Research 291-294 (July 2011): 150–54. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.150.

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In the paper, it is introduced a new method of non-abrasive cryogenic polishing which is used to polish GaAs chips. It is also analyzed the influence of different factors on polishing surfaces and polishing uniformity. The rotate speed of work piece disk is a more important factor on impacting the polishing uniformity than offset e.
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Xue, Ji Jun, and Peng Wang. "Influence by Casing Geometric Imperfection on Anti-Collapse Strength with Finite Element Calculation." Applied Mechanics and Materials 268-270 (December 2012): 1114–18. http://dx.doi.org/10.4028/www.scientific.net/amm.268-270.1114.

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This essay was to build a finite element model to find the influence by oil casing geometric imperfection on anti-collapse strength. Two types of oil casing, Ф177.8×10.36mm/P110 andФ127×9.19mm/ P110, was taken for the calculation, considering the influence on anti-collapse strength by casing with two elements separately, ovality and non-uniformity of wall thickness. The calculation show that the anti-collapse strength of perfect casing perform better than that of imperfect casing. Ovality is an important factor for the anti-collapse strength, and the anti-collapse strength decrease rapidly as
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Rahimi-Esbo, Mazaher, Ahmad Rezaei Sangtabi, and Ebrahim Alizadeh. "Manifold Design in a PEM Fuel Cell Stack to Improve Flow Distribution Uniformity." Sustainability 14, no. 23 (2022): 15702. http://dx.doi.org/10.3390/su142315702.

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In this paper, a numerical study was performed to investigate the flow distribution in a 52-cell proton exchange membrane (PEM) fuel cell stack. The non-uniformity factor and standard deviation parameters were used to determine the flow distribution uniformity. Flow channels of each bipolar plate were replaced with straight parallel channels filled with porous media to reduce computational costs. The effect of external and integrated humidifiers on the gas distribution among the channels was investigated. Using integrated humidifiers improved the non-uniformity factor and standard deviation by
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Wu, Bing, Chengyu Liu, Rui Xu, et al. "A Target-Based Non-Uniformity Self-Correction Method for Infrared Push-Broom Hyperspectral Sensors." Remote Sensing 15, no. 5 (2023): 1186. http://dx.doi.org/10.3390/rs15051186.

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Non-uniformity in the response of spectral image elements is an inevitable phenomenon in hyperspectral imaging, which mainly manifests itself as the presence of band noise in the acquired hyperspectral data. This problem is prominent in the infrared band owing to the detector material, operating environment, and other factors. Non-uniformity is an important factor that can affect the quality of the hyperspectral data, which has a serious impact on both data analysis and applications and requires corrections via technical means wherever possible. This paper proposes a novel target-based non-uni
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Dolipski, Marian, Eryk Remiorz, and Piotr Sobota. "DYNAMICS OF NON-UNIFORMITY LOADS OF AFC DRIVES." Archives of Mining Sciences 59, no. 1 (2014): 155–68. http://dx.doi.org/10.2478/amsc-2014-0011.

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Abstract The length of armoured face conveyors currently used in hard coal mines most often ranges between 200 m and 300 m. The machines are equipped with a main and auxiliary drive. Asynchronous motors mounted in conveyor drives feature the capacity of several hundreds of kilowatts. The non-uniform distribution of loads onto individual drives is observed in practice. The numerical value of loads distribution onto the individual armoured face conveyor drives is represented by a drive load distribution factor. It is defined as a ratio between the load of an electric motor installed in a given d
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Bahrurridha, Faisal, Puji Hartoyo Suherman, and Desty Anggita Tunggadewi Anggita Tunggadewi. "PERBANDINGAN KUALITAS CITRA PADA SOFWARE ASiR-V DAN NON ASiR-V DENGAN MENGGUNAKAN CT-SCAN GE." JURNAL PEMBELAJARAN FISIKA 11, no. 1 (2022): 1. http://dx.doi.org/10.19184/jpf.v11i1.30358.

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Abdominal MSCT examination generally uses a high exposure factor because the abdomen is a thick part of the body so it requires a high exposure factor. Adaptive Statistical Iterative Reconstruction (ASIR) is an IR-based reconstruction algorithm that can optimize image quality even though it uses a low exposure factor so that the radiation dose produced is also low. GE Healthcare offers Adaptive Statistical Iterative Reconstruction (ASIR) and introduces ASIR-V as the next generation in , the authors compare the image quality using ASiR-V and non ASiR-V software produced by comparing CT-number,
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Yao, Qing Hua, and Miao Cao. "Illumination Uniformity Measurement Technology Research Based on Quasi-Sine Particle Swarm Optimization." Advanced Materials Research 951 (May 2014): 265–68. http://dx.doi.org/10.4028/www.scientific.net/amr.951.265.

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Illumination uniformity measurement technology of target is a main factor that influences the instruments’ function assessing and ballistic test. Non-linear optimizing strategy of illumination uniformity is introduced in this paper, and the method is put forward to improve illumination uniformity based on Quasi-sine Particle Swarm Optimization. This paper describes the basic principle and implementation steps of the algorithm. The objective function and the degree of orientation function are given. The objective function of optimization results show that the algorithm is convergent and the ove
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Du, Zhe, Liyuan Zhang, Xinping Li, Xin Jin, and Fan Yu. "Optimizing Efficiency of Tea Harvester Leaf-Collection Pipeline: Numerical Simulation and Experimental Validation." Agriculture 14, no. 5 (2024): 653. http://dx.doi.org/10.3390/agriculture14050653.

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To address the challenges of missed and disorderly picking in tea harvesters, this study focused on the leaf-collection pipeline and utilized Fluent simulation 19.0 software. A single-factor test identified key parameters affecting airflow velocity. An orthogonal test evaluated the main pipe taper, number of branch pipes, and branch pipe outlet diameter, with average outlet wind speed and wind speed non-uniformity as indicators. The optimal parameters were a main pipe taper of 25.5 mm, 10 branch pipes, and an inner diameter of 17.10 mm for the outlet, resulting in 10.73 m/s average wind speed
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Zhou, Yuan-Kai, Liang-Jhe Jian, and Guo-Dung John Su. "Red-Green-Blue Mini-LEDs Lighting Design with High Uniformity under Thin Form Factor." Crystals 12, no. 12 (2022): 1815. http://dx.doi.org/10.3390/cryst12121815.

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We present a design of a non-imaging system based on a ray-tracing methodology. This system is mainly made of polycarbonate, while part of its surface is coated with metal. The Zemax® optical simulation tool was used to calculate the optimal parameters of this system, such as heights, widths, and angles. This design aims to improve the light distribution uniformity of blended red-green-blue mini light-emitting diodes. Our simulation results show that this design can achieve 93% light distribution uniformity in a 36 mm × 36 mm area, and the height of this design is less than 5 mm.
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Dissertations / Theses on the topic "Non uniformity factor"

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Ncube, Noah, and Stephen Sabaa. "Non-uniformly distributed compression perpendicular to the grain in steel-CLT connections : Experimental and Numerical Analysis of bearing capacity and displacement behaviour." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-90646.

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Previous studies have mainly focused on the behaviour of timber under uniformly distributed compression perpendicular to the grain (CPG) loads. However, there are many practical applications in which timber is loaded by non-uniformly distributed CPG loads. Different design and test codes like the Eurocode 5 (EC5), DIN 1052:2004, ASTM D143- 94 and EN-408:2010 only account for load configurations where timber is subjected to uniformly distributed loads. For specific uniformly distributed load (UDL) configurations the bearing capacity of timber (solid softwood timber or Glulam) in compression is
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Books on the topic "Non uniformity factor"

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Jensen, Erik M. The Taxing Power. Praeger, 2005. http://dx.doi.org/10.5040/9798216022664.

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The U.S. Constitution contains several limitations on the national taxing power. These limitations are almost always ignored due to the assumption that Congress is unconstrained in imposing taxes.The Taxing Powerproves that assumption faulty by illustrating the importance of such limitations as the uniformity rule, the direct-tax apportionment rule, and the Export Clause. By looking at the historical origins of these limitations, Jensen argues that they are essential parts of the Constitution and should be taken seriously, as the founders intended. This full-scale treatment of the subject is a
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Seeher, Jürgen. The Plateau: The Hittites. Edited by Gregory McMahon and Sharon Steadman. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780195376142.013.0016.

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This article presents data on the Hittites, who, during the second millennium BCE, established the first empire in what was later called Anatolia and then Asia Minor. From the beginning, the Hittite kings followed an active settlement policy on the Anatolian plateau. Sites in disparate areas show a remarkable uniformity in architecture and material culture, and thus document a strong system, with well-organized structures of production and distribution. Basically inland oriented, the Hittite state maintained close connections to the coast only in southern Asia Minor, which meant access to the
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Steele, Michael R. Christianity, The Other, and The Holocaust. Greenwood Publishing Group, Inc., 2003. http://dx.doi.org/10.5040/9798400626203.

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According to the author, Christianity offers a powerful system of rewards and incentives to create cultural uniformity. Those who do not join in this cultural uniformity become anathematized, oppressed, marginalized, and ultimately removed from the Christian circle of moral obligation. Using culture studies as a framework for analysis, Steele investigates the ways in which Christianity created cultural conditions based on a theology of violence and the use of sacred violence to foster behaviors that would lead to the involvement of millions of perpetrators and bystanders during the many instan
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Davis, Wayne A. The property theory and de se attitudes. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198714217.003.0012.

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The property theory of de se belief denies that believing is a propositional attitude, maintaining instead that for Lingens to believe that he himself is lost is for him to self-attribute the property of being lost. For Lingens to believe that Lingens is lost is for him to self-attribute the independent property of being such that Lingens is lost. The chapter argues that this theory postulates differences where we expect uniformity, introduces unnecessary theoretical complexity, is false to a variety of linguistic and phenomenological facts, and fails to explain many psychological and linguist
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Rondinone, Troy. “And the Winner—Television!”. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252037375.003.0002.

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This chapter traces boxing's crooked path to respectability in order to gain an understanding the incredible success of TV boxing in the middle of the twentieth century. Boxing was born in the late 1800s, when the adoption of the Queensberry rules ended the old bare-knuckle days of limitless rounds, neck choking, no weight classifications, and muddy deaths. The new rules imposed uniformly sized rings, three-minute rounds, standardized judging, weight categories, and padded leather boxing gloves. The new structure fit in well with Progressive Era concerns regarding social regulation and masculi
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Sturman, Janet L. Preserving Territory. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252037207.003.0007.

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Ethnographic focus on identifying shared cultural practice often obscures the fact that many times such choices result from individual desire and taste. This chapter illustrates the importance of such personal choices and explores a means for including individuality in an explanation of shared cultural practice, similar in some ways to what the anthropologist Lila Abu-Lughod has called “the ethnography of the particular.” Despite variations in performance practices, O'odham listeners uniformly value waila because it connects them to each other and “makes them happy.” The focus on how and why w
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Coffey, John, ed. The Oxford History of Protestant Dissenting Traditions, Volume I. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198702238.001.0001.

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The Oxford History of Protestant Dissenting Traditions, Volume I traces the emergence of Anglophone Protestant Dissent in the post-Reformation era between the Act of Uniformity (1559) and the Act of Toleration (1689). It reassesses the relationship between establishment and dissent, emphasizing that Presbyterians and Congregationalists were serious contenders in the struggle for religious hegemony. Under Elizabeth I and the early Stuarts, dissent was largely contained within the Church of England, as nonconformists sought to reform the national Church from within. During the English Revolution
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Kistler, Max. Colors and Appearances as Powers and Manifestations. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198796572.003.0012.

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Humans have only finite discriminatory capacities. This simple fact seems to be incompatible with the existence of appearances, or “looks.” It seems to be refuted by the non-transitivity of the indiscriminability of colors. Let A, B, and C be three uniformly colored sur-faces presented to the view of a subject in optimal conditions, which resemble each other perfectly except that their colors differ slightly in the following way: the difference in color between A and B (as well as the difference between B and C ) is below the discrimination threshold, but the difference between A and C is over
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Book chapters on the topic "Non uniformity factor"

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Kalinowski, Daniel. "The Other and Foreign Categories in Maria Konopnicka’s “Pan Balcer w Brazylii”." In Migrations in the Slavic Cultural Space. From the Middle Ages to the Present Day. Wydawnictwo Uniwersytetu Łódzkiego, 2022. https://doi.org/10.18778/8331-033-6.22.

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The article concerns the descriptive poem by Maria Konopnicka Pan Balcer w Brazylii, which is interpreted in two anthropological categories: Other and Foreign. A leading role in the work of national awakening in Polish peasants is the factor that leads to the identification of identity motives: first a meeting and then a conflict between familiarity and otherness. The article discusses the relations between a Polish peasant and a German colonist, Polish Catholicism vs. “non-Polish” Protestantism, the Polish community vs. the black Brazilian community, the uniformity of the village cluster vs.
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Iwaniec, Tadeusz, and Gaven Martin. "Mappings Of Finite Distortion." In Geometric Function Theory and Non-linear Analysis. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198509295.003.0006.

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Abstract In this chapter we introduce the classes of mappings whose study will occupy the majority of the remainder of this book. A first point of departure from our earlier discussion and from the extant texts in the area [336, 283, 289, 342] is that these monographs discuss mappings which have uniformly bounded distortion. We will relax this assumption by only requiring that the distortion is finite almost every-where and shall see that in this greater generality many important facts are more transparent and even easier to prove. Of course there is the additional advantage that the results h
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Dümbgen, Lutz, and Christoph Leuenberger. "Explicit Error Bounds via Total Variation." In Benford's Law. Princeton University Press, 2015. http://dx.doi.org/10.23943/princeton/9780691147611.003.0005.

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This chapter concerns the obtaining of explicit error estimates for convergence to Benford's law, with an analysis done through the total variation of the densities. This method yields reasonable estimates for Benford's law in many cases, and is often simpler to calculate and more elementary than Fourier methods. Here, the chapter provides the distribution of the remainder U in the case of Y having a Lebesgue density f, defines the measures of non-uniformity of this distribution, and collects some basic facts about the total variation of functions. The main results, examples, and proofs are th
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Soleimani, Javad, Reza Farhangi, Gunes Karabulut Kurt, and Fatemeh Mechershavi. "Analytical Analysis of Power Network Stability: Necessary and Sufficient Conditions." In ICT for Smart Grid - Recent Advances, New Perspectives, and Applications [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1003734.

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The investigation of the synchronization of Kuramoto oscillators is a crucial applied model for studying harmonization in oscillating phenomena across physical, biological, and engineering networks. This chapter builds on previous studies by exploring the synchronization of Kuramoto oscillators while also conforming to more realistic models. Using the LaSalle Invariance Principle and contraction property, we introduce the necessary and sufficient conditions for frequency synchronization and phase cohesiveness. The novelty of this chapter’s contents lies in three key areas: First, we consider a
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Brottes, Jérémy. "The Prohibition of Discrimination on Grounds of Age in EU Law." In Digital Democracy and the Impact of Technology on Governance and Politics. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-3637-8.ch014.

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The objective of this chapter is to analyze the regime of the prohibition of discriminations on grounds of age in EU law in the light of the judgments of Wolf, Petersen, and Kücükdeveci. In particular, this chapter demonstrates that EU law in this matter is moving towards a conceptual uniformity due to the fact that the ECJ recognized that the various principles prohibiting discriminations on grounds of age derived from the EU general principle of equality. Such approach allows the ECJ to extend the scope of Directive 2000/78 and to strengthen the legal force of the principle of non-discrimina
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M, Koperuncholan, Ramesh T, and Muruganantham P. "Diatom of Interest as Food Source: Biochemical Composition of Hydrographic, Seasonal Diversity, Distribution and Abundance in Pamban Area of Gulf of Mannar, Tamil Nadu, India." In Emerging Food and Bioscience Research on Human Health: Safety, Security and Sustainable Aspects. Skyfox Publishing Group, 2023. http://dx.doi.org/10.22573/spg.023.978-93-90357-85-7/5.

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In this study, 62 species of diatoms were identified. Spatio-temporal analysis of diatom community composition revealed that Amphora lineata Gregory, Amphora ovalis (Kutzing), Amphora proteus Gregory, Bacteriastrum hyalinum var. Princeps (Castracane) Ikari, Cyclotella striata (Kutz), Grun. Mastogloya Arabica, navicula sp, and surirella armoricana were the main species observed during the study period. A study was conducted to identify the abundance of diatoms and environmental factors that affect the growth of diatoms in the region and to identify major changes in diatom species according to s
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Moin-E-Ddin Rezvani, Seyed, Redmond R. Shamshiri, Ibrahim A. Hameed, et al. "Greenhouse Crop Simulation Models and Microclimate Control Systems, A Review." In Next-Generation Greenhouses for Food Security. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97361.

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A greenhouse is a complex environment in which various biological and non-biological phenomena occur. For simulation and prediction of the climate and plant growth changes in the greenhouse are necessary to provide mathematical models. The dynamic greenhouse climate models are classified in mechanistic and black-box models (ARX). Climatic models are mainly obtained using energy balance or computational fluid dynamics. In the energy balance models, the greenhouse climatic variables are considered uniformity and homogeneity, but in the computational fluid dynamics, the heterogeneity of the green
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Athanasopoulos, Michael, Kostas Kontogiannis, and Chris Brealey. "Considerations of Adapting Service-Offering Components to RESTful Architectures." In Enterprise Resource Planning. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-4153-2.ch081.

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Over the past few years, we have witnessed a paradigm shift on the programming models and on architectural styles, which have been used to design and implement large-scale service-oriented systems. More specifically, the classic message-oriented and remote procedure call paradigm has gradually evolved to the resource-oriented architectural style, inspired by concepts pertinent to the World Wide Web. This shift has been primarily driven by multifaceted functional and non-functional requirements of Web enabled large-scale service offering systems. These requirements include enhanced interoperabi
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Nevvazhay, Igor D. "Apophatical Metaphysics of a Subject." In The Paideia Archive: Twentieth World Congress of Philosophy. Philosophy Documentation Center, 1998. http://dx.doi.org/10.5840/wcp20-paideia199810223.

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In this paper, the inevitability of the metaphysics of a subject for the philosophical understanding of a person’s being in the world is established, and the apophatic character of this type of metaphysics is discussed. Analysis of the categories of being and non-being which allow the interpretation of a subject as transcendent and as transcendental being that is characterized by uniformity, spontaneity and irreversibility is also mentioned. The suggested interpretation of a subject discloses both the rational sense of the classical points of view on the absolute, unconditional, timeless and s
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Raynes, Sylvain, and Ann Rutledge. "Regression Analysis." In The Analysis of Structured Securities. Oxford University PressNew York, NY, 2003. http://dx.doi.org/10.1093/oso/9780195152739.003.0015.

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Abstract As discussed in chapter 6, the nonlinear nature of structured finance significantly complicates the credit analysis of structured securities and requires the use of iterative solution procedures that fully articulate the codependence between the shape of the yield curve and the target credit ratings. The complexity of the task usually requires access to high-speed computers. In fact, the greatest contribution of numerical analysis over the past twenty years has probably been the ability to solve nonlinear problems without undue recourse to simplifying assumptions. Before proceeding to
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Conference papers on the topic "Non uniformity factor"

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Kimber, Max J. "The Development of an Australian Standard for Fusion Bonded Epoxy on Line Pipe." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87031.

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Abstract Since 1980, nearly 3000km of oil and natural gas pipelines coated with fusion bonded epoxy resin have been laid in Australia. Because the Australian pipeline industry had no prior experience with fusion bonded epoxy, the specifications used for factory and field coating of pipe were mostly derived from specifications already developed in the United States of America, Canada, Britain and Europe. At that time, none of those countries had assembled a nationally accepted Standard, and only two, Canada and Germany have since published a national standard for the application of fusion bonde
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Khuraibut, Yousef. "Failure of 24” Common Crude Piping and Formation of Iron Sulfides Due to the Influence of Sulfate & Iron Reducing Bacteria and Methanogens." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17545.

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Abstract A leak suddenly occurred at the 24-inch common crude piping from the separators heading to the degassing boot inlets and the wet crude tanks at an oil gathering center in Kuwait Oil Company. The initial observations showed the leak was due to a deep isolated pit and localized corrosion. Consequently, the piping spool was opened, deposits were collected for analysis and an action report was issued recommending replacing the leaky spool. Additional inspection by manual and long range ultrasonic thickness measurements for the 24” common crude line showed similar deep isolated pits (up to
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Jiang, Lei-Yong. "A Non-Uniformity Factor to Assess Fuel/Air Mixing Quality." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14116.

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Abstract A practical method to assess quantitatively the uniformity of fuel/air mixing is essential for research and development of advanced low-emission combustion systems. A non-uniformity factor, based on the fuel/air equivalence ratio, is proposed and demonstrated in a simple methane/air venturi mixer. It has two advantages over the unmixedness parameter and uniformity index approaches: it is correlated with the fuel/air mixture combustion property, and the maximum temperature deviation from the designed value caused by fuel/air non-uniformity can be estimated. Because of these, it can be
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Guo, Jiangfeng, Mingtian Xu, and Lin Cheng. "A New Criterion for Assessing Heat Exchanger Performance." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22315.

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The principle of minimum entropy production has played an important role in the development of non-equilibrium thermodynamics. Inspired by this principle, Bejan derived the expression of the local entropy production rate for heat convection and established the entropy production minimization approach for the heat exchanger optimization design. Although one can obtain the entropy production distribution in the heat exchanger numerically, it can not directly been employed to examine the heat exchanger performance. Tondeur and Kvaalen found that the entropy production uniformity is closely relate
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Tso, Pei-Lum, and Chieng-Chung Teng. "Influence of Kinematic Characteristics on Grinding Ultra-Precision Substrates." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0700.

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Abstract This study concerns with the kinematic characteristics of grinding ultra-precision substrate with the rotary-table vertical-spindle surface grinder. The relative position, velocity, acceleration of single grain on cup-wheel traveling along the substrate have been calculated and studied. Factors affecting the flatness of the ground substrate may be considered as: the non-uniformity of relative velocity, the non-uniformity of relative acceleration, the passing ratio of center to periphery of the substrate, the mean thickness of undeformed chip. These are influenced considerably by the v
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Zhang, Zhi, Haisheng Fang, Jiang Zheng, Han Yan, and Zhiyin Gan. "Influence of Species Transport and Inlet Condition on the MOCVD-Grown GaN Uniformity." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65833.

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A three-dimensional model focusing on fluid flow, heat transfer, species transport and chemical reaction is investigated in a commercial metal-organic chemical vapor deposition (MOCVD) reactor. The key reaction pre-exponential factor is improved to yield more reasonable results matching the experiment data. The growth rate and growth uniformity are carefully investigated with the premixed and non-premixed inlets, as well as with the various temperatures, flow rates and V:III ratios. The susceptor of the reactor is divided into Zone A, Zone B and Zone C according to the heater alignment. The re
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Liu, Jiewen, Joshua Jaekel, Dharamdeo Ramdani, Nabeel Khan, David S. K. Ting, and Mohammed Jalal Ahamed. "Effect of Geometric and Material Properties on Thermoelastic Damping (TED) of 3D Hemispherical Inertial Resonator." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66277.

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High quality factor (Q-factor) is a crucial parameter for the development of precision inertial resonators. Q-factor indicates efficiency of a resonator in retaining its energy during oscillations. This paper explores the effects of different design parameters on Q-factor of a 3D hemispherical (wine-glass) inertial resonator. Thermo-elastic damping (TED) loss mechanisms in a 3D non-inverted wine-glass (hemispherical) shell resonator is systematically investigated and presented in this paper. We investigated TED loss resulting from the effects of hemisphere geometric parameters (such as thickne
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Mojaddam, Mohammad, Ali Hajilouy Benisi, and Mohammad Reza Movahhedi. "Investigation on Effect of Centrifugal Compressor Volute Cross-Section Shape on Performance and Flow Field." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-69454.

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In this article, the effects of volute cross section shape and centroid profile of a centrifugal compressor volute were investigated. The performance characteristics of a turbocharger compressor were obtained experimentally by measuring rotor speed and flow parameters at the inlet and outlet of the centrifugal compressor. The three dimensional flow field model of the compressor was obtained numerically solving Navier-Stokes equations with SST turbulence model. The compressor characteristic curves were plotted. For model verification, the results were compared with experimental data, showing go
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Lee, Derek C., and Andrew R. Neureuther. "Simulation of Non-uniformities in Sources and Optics in Projection Printing." In Extreme Ultraviolet Lithography. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/eul.1994.eos.116.

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The aerial image simulation program SPLAT has been generalized to explore the effects of multi­element source designs and possible problems from residual mirror reflectivity variations versus pupil position on image quality in projection x-ray lithography. To model wavefront attenuation, an optical transmission with apopdization (OTA) factor is introduced, which modifies the magnitude of the pupil function versus ray angle. The OTA is expanded in a Taylor series in polar coordinates. A radial OTA variation of 1- 0.25ρ2 which falls from 1.0 at the center of the lens to 0.75 at the lens edge, re
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Kabov, O. A., I. V. Marchuk, and J. C. Legros. "Conjugated Heat Transfer at Flow Condensation in Minchannel With Longitudinal Fins." In ASME 2004 2nd International Conference on Microchannels and Minichannels. ASMEDC, 2004. http://dx.doi.org/10.1115/icmm2004-2392.

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A mathematical model for vapor condensation in cylindrical longitudinally finned minichannel has been proposed taking into account all temperature non-uniformity. The model describes annular and rivulet flow regimes until complete grooves flooding. It is shown that when the model does not account for the wall heat conductivity the maximal calculated enhancement of heat transfer is predicted for the “sharp” trapezoidal fins. The most enhanced heat transfer in the case of non-isothermal fins has been obtained for the curvilinear fins of expanded Adamek’s parametric family. When reducing the heat
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Reports on the topic "Non uniformity factor"

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Bueno, João, Heloiana Faro, Seth Lenetsky, et al. Exploratory systematic review of Mixed Martial Arts: an overview of performance of importance factors with over 20,000 athletes. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.4.0158.

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Review question / Objective: The objective of the present study was to analyze the findings of the scientific literature related to MMA through an exploratory systematic review on the subject and to present the state of the art of the sport from a multifactorial perspective. Condition being studied: Mixed Martial Arts (MMA) is a full contact combat sport characterized by its high degree of freedom in offensive and defensive approaches resulting in the inclusion of techniques and tactics from multiple combat sport styles. MMA has gained legitimacy and uniformity of rule sets after a tumultuous
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Bowman, Mark D., Bryan D. Hagan, and William D. Hurdle. Steel Bridge Coating Evaluation and Rating Criteria. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317386.

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The aim of the study is to gather information on three topics: (1) the evaluation and rating of steel bridge protective coatings, (2) coating systems used by various states throughout the United States, and (3) maintenance painting procedures employed by various state department of transportation agencies (DOTs). First, it was found that most state DOTs use either an Element Level type rating of the coating system or a 9–0 NBI type rating; many state DOTs use both methodologies, with one used for state bridges and the other for local bridges. Second, for coating systems, it was found that ther
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Cunningham, Stuart, Marion McCutcheon, Greg Hearn, Mark Ryan, and Christy Collis. Australian Cultural and Creative Activity: A Population and Hotspot Analysis: Sunshine Coast. Queensland University of Technology, 2020. http://dx.doi.org/10.5204/rep.eprints.136822.

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The Sunshine Coast (unless otherwise specified, Sunshine Coast refers to the region which includes both Sunshine Coast and Noosa council areas) is a classic regional hotspot. In many respects, the Sunshine Coast has assets that make it the “Goldilocks” of Queensland hotspots: “the agility of the region and our collaborative nature is facilitated by the fact that we're not too big, not too small - 330,000 people” (Paddenburg, 2019); “We are in that perfect little bubble of just right of about everything” (Erbacher 2019). The Sunshine Coast has one of the fastest-growing economies in Australia.
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Macedo, Jorge, Paul Mayne, Sheng Dai, et al. Cone Penetration Testing for Illinois Subsurface Characterization and Geotechnical Design. Illinois Center for Transportation, 2024. http://dx.doi.org/10.36501/0197-9191/24-013.

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This project sets the stage for implementing a cone penetration testing (CPT) practice in the state of Illinois, providing recommendations for using and interpreting CPT soundings in subsurface investigations. This study also contributes to modernizing Illinois Department of Transportation (IDOT) policy to current CPT-related practices adopted in other departments of transportation, which is consistent with recommendations from the Federal Highway Administration. Toward the goals of this project, CPT soundings across the nine districts of the state of Illinois have been conducted, and availabl
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Rojas, Eduardo. The Long Road to Housing Reform: Lessons from the Chilean Experience. Inter-American Development Bank, 1999. http://dx.doi.org/10.18235/0008522.

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Chile's housing policy is widely regarded as a success. For almost a decade, new construction has been above the level required to provide houses for new families and replace obsolete structures. This raises hopes that within the next decade all families in Chile will occupy dwellings that comply with minimum quality and service standards. This is no small accomplishment for a country just entering the middle ground in the development scale. Moreover, the private sector is taking an increasingly active role in housing production and financing. This too is a significant achievement considering
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Ukiwe and McDonnell. L52362 Assessing the Performance of Above Ground Coating Evaluation Surveys. Pipeline Research Council International, Inc. (PRCI), 2012. http://dx.doi.org/10.55274/r0010686.

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The primary application area for above ground coating evaluation (AGCES) methods is for unpiggable pipelines. For several reasons, however, AGCES methods are not necessarily limited along these narrow lines. For instance, most ILI tools are incapable of identifying external corrosion (which resulted from coating damage overtime) until the wall loss damage has reached the measurable detection threshold of the ILI tool. Thus, even for piggable pipelines, AGCES methods still come in handy for pipeline integrity. In fact, the most proactive approach for pipeline corrosion integrity management for
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Sarker, Abdur Razzaque, and Kashfi Rayan. Trends And Inequalities Of Childhood Underweight In Bangladesh: A Decomposition Approach. Bangladesh Institute of Development Studies, 2024. https://doi.org/10.57138/ezzy1359.

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Childhood underweight is a consistent public health problem globally. About 12.6 per cent of the total under-five children (85.4 million) were underweight in 2020, while half of the underweight burden (42 million) belonged to the Southeast Asian Region. Being underweight is one of the major risk factors for early neonatal mortality and morbidity in many developing countries. Although the global trend of underweight children has decreased over time, such progress is not uniformly distributed among resource-poor settings. This study investigates the nationwide trend of the prevalence of childhoo
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Shomer, Ilan, Ruth E. Stark, Victor Gaba, and James D. Batteas. Understanding the hardening syndrome of potato (Solanum tuberosum L.) tuber tissue to eliminate textural defects in fresh and fresh-peeled/cut products. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7587238.bard.

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The project sought to understand factors and mechanisms involved in the hardening of potato tubers. This syndrome inhibits heat softening due to intercellular adhesion (ICA) strengthening, compromising the marketing of industrially processed potatoes, particularly fresh peeled-cut or frozen tubers. However, ICA strengthening occurs under conditions which are inconsistent with the current ideas that relate it to Ca-pectate following pectin methyl esterase (PME) activity or to formation of rhamnogalacturonan (RG)-II-borate. First, it was necessary to induce strengthening of the middle lamellar c
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