Relevant bibliographies by topics / Variable contribution plans

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Variable contribution plans'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Variable contribution plans"

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Cheung, Hon. "The design of defined-contribution pension plans using a variable-contribution lifecycle programme." Journal of Asset Management 7, no. 5 (2006): 312–24. http://dx.doi.org/10.1057/palgrave.jam.2250039.

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Wickramasinghe, Vathsala, and G. L. D. Wickramasinghe. "Variable pay and job performance of shop-floor workers in lean production." Journal of Manufacturing Technology Management 27, no. 2 (2016): 287–311. http://dx.doi.org/10.1108/jmtm-12-2014-0130.

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Purpose – The purpose of this paper is to investigate design features of variable pay plans adopted for shop-floor workers engaged in manufacturing firms that had implemented lean production systems, and the effects of design features on their job performance. Design/methodology/approach – In total, 892 shop-floor workers attached to lean implemented manufacturing firms in Sri Lanka responded for the study. Structural equation modelling was used for the data analysis. Findings – It was found that the performance evaluation-base for variable payments, variable pay calculation-base and goal sett
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Indra, Aulia. "PENGARUH PEMBERDAYAAN DAN PEMBINAAN TERHADAP KOMITMEN ORGANISASIONAL DI PT. BANK SUMUT TBK. CABANG MEDAN." ECOBISMA (JURNAL EKONOMI, BISNIS DAN MANAJEMEN) 7, no. 1 (2020): 110–19. http://dx.doi.org/10.36987/ecobi.v7i1.1552.

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PT Bank SUMUT Tbk. Medan is one of the regional-owned enterprises that certainly requires skilled and deft labor in providing services to the community. As a banking company, the company also indirectly strives to improve its performance. This is inseparable from efforts to improve maximum service to the community as service users. This recent phenomenon is where the performance of PT Bank SUMUT Tbk. Medan experienced a decline, this was due to the existence of plans that had been arranged to attend the workshop canceled and replaced with other activities. This has an impact on employees' comm
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McCARTHY, DAVID. "A life-cycle analysis of defined benefit pension plans." Journal of Pension Economics and Finance 2, no. 2 (2003): 99–126. http://dx.doi.org/10.1017/s1474747203001288.

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This paper employs a lifecycle model from the consumption–savings literature to examine the tradeoffs between defined benefit and defined contribution pension plans. We examine the effects of varying risk aversion, varying initial income and financial wealth, and varying wage processes (that may be correlated with returns on the risky asset).Results indicate that wage-indexed claims are not an optimal vehicle for retirement policy if the decision to participate is made early in life, because individuals hold most of their wealth in their human capital and would not wish to increase their expos
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Signé, Landry. "Intérêts, stratégies des acteurs et innovation en politiques de développement en Afrique." Articles 33, no. 3 (2015): 131–53. http://dx.doi.org/10.7202/1027943ar.

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Les intérêts sont des variables incontournables pour la compréhension des phénomènes politiques en Afrique. Peu d’auteurs ont cependant proposé un cadre systématique permettant de comprendre le mécanisme à travers lequel cette variable façonne le jeu politique en Afrique. Comment et quand les intérêts (variables stratégiques) permettent-ils d’expliquer les processus d’émergence des politiques et des stratégies de développement sur ce continent ? Cet article propose une contribution originale en faisant le point théorique sur la question et analysant de manière empirique le rôle joué par les in
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Han, Dongkwon, and Sunil Kwon. "Application of Machine Learning Method of Data-Driven Deep Learning Model to Predict Well Production Rate in the Shale Gas Reservoirs." Energies 14, no. 12 (2021): 3629. http://dx.doi.org/10.3390/en14123629.

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Reservoir modeling to predict shale reservoir productivity is considerably uncertain and time consuming. Since we need to simulate the physical phenomenon of multi-stage hydraulic fracturing. To overcome these limitations, this paper presents an alternative proxy model based on data-driven deep learning model. Furthermore, this study not only proposes the development process of a proxy model, but also verifies using field data for 1239 horizontal wells from the Montney shale formation in Alberta, Canada. A deep neural network (DNN) based on multi-layer perceptron was applied to predict the cum
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Malafaia, Osvaldo, Marcos Leal Brioschi, Sonia Maria Schneider Aoki, et al. "Infrared imaging contribution for intestinal ischemia detection in wound healing." Acta Cirurgica Brasileira 23, no. 6 (2008): 511–19. http://dx.doi.org/10.1590/s0102-86502008000600008.

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PURPOSE: To study thermal variations obtained through infrared image in rats, and to evaluate the relationship between intestinal ischemic time and histopathological findings. METHODS: Thirty Wistar rats were operated after distribution in 5 groups with different times of ischemia. Thermograms were obtained by using a infrared camera. The surgical technique has been standardized for all groups: abdominal cavity opening by a 5cm length incision in the midline, abdominal wall plans section and cavity exposure, and exteriorization of the intestine. In group I (control), it was proceeded only lapa
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Sharda, Avinash Kumar, Harish Chander Sharma, and Brij Bhushan. "Temporal Variation of Surface Water Quality in the Swan River Catchment in Himachal Pradesh India." Hydro Nepal: Journal of Water, Energy and Environment 20 (January 27, 2017): 55–61. http://dx.doi.org/10.3126/hn.v20i0.16490.

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As industrial growth in the lower Shiwalik hills has risen in past two decades, the last 10 years in the Una district has seen a rapid development in industrial and urban growth due to grant of industrial package by the central government of India. As a result, several production plants have sprung up within the Swan River catchment, threatening the water quality of this area. However, the actual effects on water quality are heretofore unknown. In this paper, we assess the water quality of the Swan River catchment by calculating the National Sanitation Foundation Water Quality Indicators (NSFW
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Setiawati, Novita Putri. "ANALISIS FAKTOR PENDORONG DAN FAKTOR PENGHAMBAT PENGEMBANGAN AGRIBISNIS PERIKANAN TANGKAP DENGAN PENDEKATAN SUBSISTEM DI KABUPATEN PENAJAM PASER UTARA." Jurnal Planologi 18, no. 1 (2021): 1. http://dx.doi.org/10.30659/jpsa.v18i1.11235.

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The marine fishery production of Penajam Paser Utara was 6,045 tons per year of 2018 which was close to the national production number. In addition, fishery is a leading sector after agriculture in PPU which will be developed, the fisheries sector should be able to contribute to a large GDP as well, but this was not in line because seeing the contribution of the fisheries sector to GRDP, constant prices from 2012 to 2016 have decreased by 12,760.03 million rupiah. The purpose of this research is to determine the driving factors and inhibiting factors for the development of fisheries capture ag
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Syed Mohamad, Syed Jamal Abdul Nasir, Roshidi Hassan, and Mohamed Zakaria Mohamed Yahya. "Experimental Research: BASO Model-Based Strategic Planning Training Mediated by Training Follow up Sessions and Moderated by Transformational Leadership Impact on Mosque Organizational Effectiveness." GATR Journal of Management and Marketing Review 2, no. 3 (2017): 10–20. http://dx.doi.org/10.35609/jmmr.2017.2.3(2).

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Objective - The objective of this quasi-experimental study is to examine the impact of BASO Model-Based Strategic Planning Training (as the independent variable) and Training Follow up Sessions (as the mediating variable) towards Rural Community Mosque organizational performance. This research also examines the effect of transformational leadership as a moderating factor towards mosque organizational effectiveness. Methodology/Technique - This study uses BASO Model-Based Strategic Planning Training and is supported by Follow up Sessions. The study shows that mosque leaders can produce a compre
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Dissertations / Theses on the topic "Variable contribution plans"

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Cassa, Ivy. "Natureza jurídica da reserva matemática nos planos de previdência privada aberta." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/2/2132/tde-11022015-135457/.

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O presente trabalho tem por objetivo o estudo da natureza jurídica do saldo de conta (aqui designado como reserva matemática) de que o participante é titular durante a fase de acumulação de um plano de Contribuição Variável de entidade aberta de previdência privada. O tema foi desenvolvido à luz do Direito do Seguro, por meio do confronto dos elementos jurídicos e técnicos dos contratos de seguros privados com os dos contratos previdenciários privados, e ainda levando em consideração a evolução dos produtos de previdência privada e seguros no contexto do bancassurance. Dada a escassez de liter
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Lugand, Thomas. "Contribution to the Modeling and Optimization of the Double-Fed Induction Machine for Pumped-Storage Hydro Power Plant Applications." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENT118.

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Les centrales hydrauliques de pompage turbinage fonctionnent principalement en utilisant des alternateurs de type synchrone évoluant à vitesse fixe. Cependant, utiliser des alternateurs à vitesse variable et, en particulier, des Machines Asynchrones à Double Alimentation (MADA) apporte des avantages non négligeables: contrôle de la puissance en mode pompe, opération au point de meilleur rendement en mode turbine et plus grande stabilité en cas de perturbation. Cette thèse a pour objectifs la progression des connaissances des phénomènes électromagnétiques régissant le fonctionnement de la MADA
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Raisin, Jean-Philippe. "Contribution à l'optimisation de la régulation load sensing d'une pompe hydraulique à cylindrée variable." Lille 1, 2002. https://pepite-depot.univ-lille.fr/RESTREINT/Th_Num/2002/50376-2002-335.pdf.

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Cette étude se propose de réduire le niveau vibratoire d'une pompe hydraulique à cylindrée variable du type load sensing installée sur un engin de travaux publics. Il s'agit alors d'un problème impliquant des systèmes hydro-mécaniques instationnaires non linéaires. Une des difficultés relève de la prise en compte de la dynamique des conduites en plus de celle des éléments mécaniques des composants connectés. La startégie adoptée est basée sur une approche mécanicienne du problème. L'étude est découplée en deux parties : le développement d'un modèle mathématique puis son exploitation permettant
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Aghzer, Samir. "Contribution à l'optimisation des paliers hydrodynamiques." Poitiers, 1998. http://www.theses.fr/1998POIT2280.

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Notre travail s'inscrit dans le cadre de l'optimisation en tribologie, plus particulierement aux paliers hydrodynamiques selon deux voies et pour deux buts differents : - a partir de la methodologie des plans d'experiences, associee a la notion d'analyse de la variance, comment modifier la geometrie d'un palier hydrodynamique deja existant mais ne donnant pas satisfaction afin d'ameliorer, ou de corriger, une ou plusieurs de ses caracteristiques de fonctionnement ? - a partir des methodes d'optimisation sous contraintes, quelles valeurs faut-il attribuer a certains parametres geometriques, ou
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Stefan, Marius. "Contributions à l'estimation pour petits domaines." Doctoral thesis, Universite Libre de Bruxelles, 2005. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210911.

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Dans la thèse nous nous occupons de l'estimation de la moyenne d'un petit domaine sous un modèle one-fold et utilisant MINQUE pour estimer les composantes de la variance, sous un modèle two-fold avec variances aléatoires, sous des plans noninformatifs et informatifs.<br>Doctorat en sciences, Orientation statistique<br>info:eu-repo/semantics/nonPublished
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Zerar, Madjid. "CONTRIBUTION À LA CARACTÉRISATION LPV D'UNE CLASSE DE SYSTÈMES NON LINÉAIRES POUR LA SYNTHÈSE DE LOIS DE POURSUITE ROBUSTE. APPLICATION À UN SYSTÈME SPATIAL." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2006. http://tel.archives-ouvertes.fr/tel-00012135.

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Ce travail de recherche présente une étape importante pour la synthèse de loi de poursuite robuste de trajectoires d'une classe particulière de systèmes non linéaires. Cette étape concerne la caractérisation des systèmes non linéaires plats perturbés, à platitude invariante, sous forme de systèmes Linéaires à Paramètres Variants dans le temps (LPV). La méthodologie utilisée est basée sur la linéarisation exacte par anticipation fondée sur la platitude. L'approche présentée permet de générer, en utilisant la platitude, des trajectoires et des commandes optimales en boucle ouverte pour un modèle
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Book chapters on the topic "Variable contribution plans"

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Basarud-Din, Siti Khalilah Binti, and Hafizah Binti Zainal. "A Decent Work and Economic Growth." In Leveraging Consumer Behavior and Psychology in the Digital Economy. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-3042-9.ch011.

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Asnaf entrepreneur is a micro SME entrepreneur who plays a significant role in the contribution of the economic sectors. In 2018, Malaysia registered a total of 907,065 SMEs, with micro-enterprises accounting for 2.3% (20,612) of the total. The poor and needy entrepreneur is also part of the successful key to support Malaysian to achieve Sustainable Development Goals (SDGs). The objective of this study is to identify the potential of poor and needy entrepreneur in Kedah Zakat Board (LZNK) to achieve SDGs. This paper uses a conceptual study method and explore the literature as a guide for enhancing knowledge on this area. This paper suggests a potential sustainable development model with four variables of poor and needy entrepreneurs in achieving SDGs goals. The contributions and implications of the study are discussed at the end of this paper.
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Willem Hatulesila, Jan, and Gun Mardiatmoko. "Designation of Traditional Agroforestry Clusters for Handling Climate Change Based on the Sustainability Index in the Archipelago." In Agroforestry - Small Landholder’s Tool for Climate Change Resiliency and Mitigation [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96016.

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Many people already understand that the impact of climate change is directly related to forestry, agroforestry, and agricultural crop production, as well as the preservation of biodiversity in small islands, which supports the local community’s economy by producing various types of plants. According to studies, the dynamics of climate change directly impact the availability of food and island communities’ readiness to maintain local economic resources. Therefore, agroforestry clusters can be determined based on the agroecological conditions directly related to the distribution of plant species, such as their ecological, conservation, landscape, and economic aspects. Furthermore, the area of ​​land and the composition of the types of agricultural crops grown were taken into account based on the form of cluster analysis variables, in the villages on the small island of Maluku, which are only in the good (average sustainability index score is 89.2) and moderate (average sustainability index score 69.7) categories. Agroforestry also contributes to climate change mitigation and adaptation, therefore, to determine the magnitude of the contribution of agroforestry in absorbing carbon, it is necessary to measure biomass using non-destructive and destructive methods.
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Montesinos, Cristina Honrubia, Pedro Gil-Madrona, and Luisa Losada-Puente. "Early Childhood Teacher Professional Development in Physical Education and Its Impact on Preschooler Motor Development." In Advances in Early Childhood and K-12 Education. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7585-7.ch002.

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Physical education in early years makes a unique contribution to the learning experience of children and support physical, cognitive, and social development. Teacher plays an essential role, but early childhood teacher professional development remains unclear. Literature review has shown that it is influenced by individual and social factors. Teacher professional development may have an impact on student motor development in this stage. The objectives of this chapter were to study early childhood teachers' professional development in PE and to analyze the influence and impact of early childhood teachers' professional development on their students' motor development. This chapter describes the results and conclusions of two different studies which have been developed. They highlighted that the variables that affect professional development are initial training and professional development, external perception of physical education, and personal perspective. Furthermore, findings have revealed that these three variables condition their students' motor development most.
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Pettorelli, Nathalie. "Satellite remote sensing and the management of invasive species." In Satellite Remote Sensing and the Management of Natural Resources. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198717263.003.0005.

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This chapter reviews opportunities for satellite remote sensing approaches to support the management of invasive species, starting by providing clear definitions of what invasive species are, in comparison, for example, with alien or exotic species. It provides an overview of sensors and approaches most relevant to the direct tracking of invasive plant species, and then expands this overview to methodologies and satellite-derived variables that can be used to predict the distribution range of invasive plant and animal species. The contribution demonstrates how satellite remote sensing information can ultimately aid optimisation of control mechanisms to prevent further spread and minimise their impacts. The various case studies introduced in this part of the book are used to discuss a number of key principles, such as the importance of the spatial and spectral configuration for reliably determining the distribution and patch sizes of invasive alien plant species; and the importance of taking into account the ecology as well as the morphological and structural features of the target species when trying to identify suitable remote sensing-based monitoring approaches.
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N. Ramos-Bernal, Rocío, René Vázquez-Jiménez, Sulpicio Sánchez Tizapa, and Roberto Arroyo Matus. "Characterization of Susceptible Landslide Zones by an Accumulated Index." In Landslides - Investigation and Monitoring. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.89828.

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In order to characterize the landslide susceptibility in the central zone of Guerrero State in Mexico, a spatial model has been designed and implemented, which automatically generates cartography. Conditioning factors as geomorphological, geological, and anthropic variables were considered, and as a detonating factor, the effect of the accumulated rain. The use of an inventory map of landslides that occurred in the past (IL) was also necessary, which was produced by an unsupervised detection method. Before the design of the model, an analysis of the contribution of each factor, related to the landslide inventory map, was performed by the Jackknife test. The designed model consists of a susceptibility index (SI) calculated pixel by pixel by the accumulation of the individual contribution of each factor, and the final index allows the susceptibility cartography to slide in the study area. The evaluation of the obtained map was performed by applying an analysis of the frequency ratio (FR) graphic, and an analysis of the receiver operating characteristic (ROC) curve was developed. Studies like this can help different safeguarding institutions, locating the areas where there is a greater vulnerability according to the considered factors, and integrating disaster attention management or prevention plans.
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Mohanty, Itishree, and Dabashish Bhattacherjee. "Artificial Neural Network and Its Application in Steel Industry." In Advances in Chemical and Materials Engineering. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-5225-0290-6.ch010.

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The recent developments in computational intelligence has enhances the applicability of empirical modelling in different areas particularly in the area of machine learning. These new approaches are based on analysing the data about a system, in particular finding connections between the system state variables (input, internal and output variables) without having precise knowledge about the physical behaviour of the system. These data driven methods explain advances on conventional empirical modelling and include contributions from many overlapping fields like Artificial Intelligence (AI), Computational Intelligence (CI), Soft Computing (SC), Machine Learning (ML), Intelligent Data Analysis (IDA), and Data Mining (DM). The most popular computational intelligence techniques used in process modelling of steel industry includes neural networks, fuzzy rule-based systems, genetic algorithms as well as approaches to model integration. This chapter describes mainly the application of Artificial Neural Network (ANN) in steel industry. ANN has extensively used in improving and controlling different processes of steel industry like steel making, casting and rolling which lead to indirect energy savings through reduced product rejects, improved productivity and reduced down time. The efficiency of artificial neural network tool in handling steel plant processes has been discussed in detail. ANN based models are found to be very potential to handle very complex, dynamic and non-linear problems.
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Yakasai, Abubakar Mukhtar, Mohammad Nabil Almunawar, and Mohammad Anshari. "Integrated Model of Actual Online Shopping Use Behaviour." In Handbook of Research on Disruptive Innovation and Digital Transformation in Asia. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-6477-6.ch017.

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This chapter discusses and proposes an integrated model of actual online shopping use behaviour, with a moderating role of personal traits (openness to experience and agreeableness). Building on the TAM model, the proposed framework harnesses its factors from supported theories, namely social cognitive theory, source credibility theory, risk theory, and OCEAN model. A literature review approach is employed in which the author uses previous relevant studies to establish the relationship among the variables. Apart from direct relationships, the chapter conceptualises mediating role of Intention on the relationship between a set of predictors (internet self-efficacy, perceived channel credibility, financial and security risk) and actual online shopping usage behaviour. At the same time, the chapter explores the moderating role of openness to experience and agreeableness on the relationship between the TAM's belief constructs and intention. Finally, the chapter concludes with highlights on the framework's contributions, limitations, and plan for future empirical investigation.
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Bascompte, Jordi, and Pedro Jordano. "Ecological and Evolutionary Mechanisms." In Mutualistic Networks. Princeton University Press, 2013. http://dx.doi.org/10.23943/princeton/9780691131269.003.0004.

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A persistent challenge in evolutionary biology has been understanding how coevolution has produced complex webs of interacting species. This chapter investigates the suite of ecological, evolutionary, and coevolutionary mechanisms responsible for generating such network patterns. Although some predictors of a species position in a network of interactions have been studied—mainly species abundance and forbidden links—we are moving toward an integrative approach, where several variables are tested simultaneously within the framework of phylogenetically independent contrasts. This can help us quantify the relative contribution of different factors given that they are often correlated. Body size, phenological spread, regional abundance, and species abundance are significantly correlated with a species position in the network of interactions in the frugivore set. There is a phylogenetic signal in the position of a species in the network (e.g., its degree). Beyond this, the phylogenetic patterns of shared ancestry also play a key role in explaining the overall pattern of mutualistic associations between the two sets of species. This pattern of interaction is influenced mainly by the evolutionary history of the plants.
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N.I. Lokuruka, Michael. "Food and Nutrition Security in East Africa (Rwanda, Burundi and South Sudan): Status, Challenges and Prospects." In Food Security in Africa [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.95037.

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Despite receiving international technical assistance over many years, achieving food and nutrition security has remained elusive for many developing countries. Low technological capability, inefficient production systems, increasing populations and lately climate variability, affect food production, leading to stagnation or modest gains in food and nutrition security in many nations. For many African countries, food and nutrition security continues to improve, despite the slow pace. In the East African Community, political stability, ambitious economic planning, the quest for higher agricultural productivity, improving educational achievement, sanitation and health, are contributing to improving food and nutrition security. To support the process, Rwanda, established Vision 2020, while Burundi and South Sudan have yet to develop plans for a coherent development blueprint. The blue prints of the Member States bore Vision 2050 for the East African Community and Vision 2063 for the African Union. This chapter examines the status of food and nutrition security in Rwanda, Burundi and South Sudan. It gives country-specific recommendations for achieving it-including investment in agriculture and agribusiness, value addition of agricultural commodities, decelerating population growth, using adaptive research to solve farmer-problems, strengthening farmer-organizations and integrating variables that influence food and nutrition security achievement.
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Culliney, John L., and David Jones. "Intimate Ark." In The Fractal Self. University of Hawai'i Press, 2017. http://dx.doi.org/10.21313/hawaii/9780824866617.003.0005.

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Among the greatest cooperative examples of biotic evolution that released a virtually unbounded world of complexity, particularly conspicuous among eukaryotic organisms, was the evolution of sex. In sex, each individual of a mating pair contributes part of its genetic makeup (genome) to offspring—always cells are the seminal agents of the genetic contribution from each self—that participate in an emergent new generation. Thus a self, upon engaging in sex, abandons a substantial portion of its integrity and weaves together a molecular-to-cellular-to-organismal fractal interface with a partner. Throughout the sexual world, self seeks a profound intimacy with non-self. The chapter first describes gene sharing by bacteria through conjugation, a prokaryotic version of sex. An allegory of dancing snakes metaphorically represents cellular reproduction by mitosis and the reduction divisions of chromosomes in meiosis, the basis of gene sharing in sex among eukaryotes. Genetic recombination via meiosis enormously accelerates the diverse expressions of myriad life forms. Among angiosperm plants, sex is manifest in immensely variable flowers and, with some exceptions, their colors and forms evolved in response to a profound cooperative imperative with animal partners that spread their pollen. Darwin’s major insight on sexual selection among animals has explained male-female dimorphisms from subtle to spectacular.
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Conference papers on the topic "Variable contribution plans"

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Pourgol-Mohammad, Mohammad, and Kamran Sepanloo. "A Hybrid Qualitative/Quantitative Uncertainty Importance Assessment Approach: Applications to Thermal-Hydraulics System Codes Calculations." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75464.

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Uncertainty importance is used to rank sources of uncertainty in the input variables for their degree of contribution to the uncertainty of the output variable(s). Such ranking is used to plan in reducing epistemic uncertainty in the output variable(s). In application to Thermal-Hydraulic calculations using RELAP5, TRAC and TRACE codes involving uncertainty, uncertainty ranking can be used to confirm the results of Phenomena Identification and Ranking Table (PIRT) utilized in available uncertainty quantification methodologies. Several methodologies have been developed to address uncertainty im
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Lupascu, Galina, and Svetlana Gavzer. "Variabilitatea şi heritabilitatea vigorii boabelor de grâu comun la interacţiunea cu Drechslera Sorokiniana." In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.68.

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The article presents data on the effects of the interaction of common wheat with the fungus Drechslera sorokiniana on grain vigor. Its differentiated action on germination and seedling length (LP) was found. The vigor index (VI) depended more on LP (r = 0.90 *) than on the germination 278 level (r = 0.52 *, p≤0.05). The coefficient of heritability in the broad sense (h2) was 71.3% for LP and 60.1% – for VI. The association of h2 and genetic progress with high values reveals the pronounced contribution of additive genetic variance in the control of the vigor index, which offers increased opport
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Castillo-Dura´n, Rogelio, Javier Ortiz-Villafuerte, and Gabriel Calleros-Micheland. "BWR Signals Interdependence Analysis for Transient Events." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89542.

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A methodology for the study of the relationship between different reactor signals is presented. The application of the methodology leads to identify dominant frequencies and the contribution from other different signals to the dominant frequencies. The methodology firstly uses a linear model to estimate the response characteristics of the system and the spectra of the noise source. The estimate of the process linear predictor is obtained by the ordinary least squares method. Then, the model performs a multivariate autoregressive analysis, and a relative power contribution index is computed to
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Han, Jeongheon, and Robert E. Skelton. "An LMI Optimization Approach to the Design of Structured Linear Controllers Using a Linearization Algorithm." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43419.

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This paper presents a new algorithm for the design of linear controllers with special constraints imposed on the control gain matrix. This so called SLC (Structured Linear Control) problem can be formulated with linear matrix inequalities (LMI’s) with a nonconvex equality constraint. This class of prolems includes fixed order output feedback control, multi-objective controller design, decentralized controller design, joint plant and controller design, and other interesting control problems. Our approach includes two main contributions. One is that many design specifications such as H∞ performa
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Mai Duc Thong, Kazushi Nakano, and Yukihido Toyoda. "On the relative power contribution between process variables of SCR control systems for ST-GT combined cycle power plants." In 2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON 2012). IEEE, 2012. http://dx.doi.org/10.1109/ecticon.2012.6254249.

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Chen, Yufei, Changbao Jiang, Guangzhi Yin, Andrew K. Wojtanowicz, and Dongming Zhang. "Triaxial Testing of Gas Shale Permeability Dependence on Heterogeneous Stress With Respect to Bedding." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-96707.

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Abstract Shale gas has recently become the most promising source of unconventional hydrocarbon energy. Shale gas well deliverability and economics depend on extremely low permeability that is not only dependent on the rock bedding trend but is also controlled by in-situ stresses. Thus, prediction of well’s deliverability requires understanding permeability of a dipping shale with natural bedding under conditions of unequal stresses in-situ. The purpose of this study was to determine relative contributions of normal and tangential stresses with respect to the rock bedding plane on permeability
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Amadi, Kingsley Williams, Ibiye Iyalla, Yang Liu, Mortadha Alsaba, and Durdica Kuten. "Evaluation of Derived Controllable Variables for Predicting Rop Using Artificial Intelligence in Autonomous Downhole Rotary Drilling System." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/202191-ms.

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Abstract Fossil fuel energy dominate the world energy mix and plays a fundamental role in our economy and lifestyle. Drilling of wellbore is the only proven method to extract the hydrocarbon reserves, an operation which is both highly hazardous and capital intensive. To optimize the drilling operations, developing a high fidelity autonomous downhole drilling system that is self-optimizing using real-time drilling parameters and able to precisely predict the optimal rate of penetration is essential. Optimizing the input parameters; surface weight on bit (WOB), and rotary speed (RPM) which in tu
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Borguet, S., P. Dewallef, and O. Le´onard. "A Way to Deal With Model-Plant Mismatch for a Reliable Diagnosis in Transient Operation." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90412.

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Least-squares health parameter identification techniques such as the Kalman filter have been massively used to solve the problem of turbine engine diagnosis. Indeed, such methods give a good estimate provided that the discrepancies between the model prediction and the measurements are zero-mean, white random variables. In turbine engine diagnosis, however, this assumption does not always hold due to the presence of biases in the model. This is especially true for transient operation. As a result, the estimated parameters tend to diverge from their actual values which strongly deteriorates the
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Van Dam, Noah, and Christopher Rutland. "Understanding In-Cylinder Flow Variability Using Large-Eddy Simulations." In ASME 2015 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/icef2015-1103.

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Multi-cycle Large-eddy simulations (LES) of motored flow in an optical engine housed at the University of Michigan have been performed. The simulated flow field is compared against particle image velocimetry (PIV) data in several cutting planes. Circular statistical methods have been sued to isolate the contributions to overall turbulent fluctuations from changes in flow direction or magnitude. High levels of turbulence, as indicated by high velocity root-mean square (RMS) values, exist in relatively large regions of the combustion chamber. But, the circular standard deviation, a measure of th
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Jiang, Xiaomo, Eduardo Mendoza, and TsungPo Lin. "Bayesian Calibration for Power Splitting in Single Shaft Combined Cycle Plant Diagnostics." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-43878.

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Condition monitoring and diagnostics of a combined cycle gas turbine power plant has become an important tool to improve its availability, reliability, and performance. However, there are two major challenges in the diagnostics of performance degradation and anomaly in a single shaft combined cycle power plant. First, since the gas turbine and steam turbine in such a plant share a common generator, each turbine’s contribution to the total plant power output is not directly measured, but must be accurately estimated to identify the possible causes of plant level degradation. Second, multivariat
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