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Journal articles on the topic "NIPALS"

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Ochoa-Muñoz, Andrés F., and Javier E. Contreras-Reyes. "Multiple Factor Analysis Based on NIPALS Algorithm to Solve Missing Data Problems." Algorithms 16, no. 10 (2023): 457. http://dx.doi.org/10.3390/a16100457.

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Missing or unavailable data (NA) in multivariate data analysis is often treated with imputation methods and, in some cases, records containing NA are eliminated, leading to the loss of information. This paper addresses the problem of NA in multiple factor analysis (MFA) without resorting to eliminating records or using imputation techniques. For this purpose, the nonlinear iterative partial least squares (NIPALS) algorithm is proposed based on the principle of available data. NIPALS presents a good alternative when data imputation is not feasible. Our proposed method is called MFA-NIPALS and, based on simulation scenarios, we recommend its use until 15% of NAs of total observations. A case of groups of quantitative variables is studied and the proposed NIPALS algorithm is compared with the regularized iterative MFA algorithm for several percentages of NA.
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de Souza, Valter Cesar, Sergio Augusto Rodrigues, and Luís Roberto Almeida Gabriel Filho. "Comparison of principal component analysis algorithms for imputation in agrometeorological data in high dimension and reduced sample size." PLOS ONE 19, no. 12 (2024): e0315574. https://doi.org/10.1371/journal.pone.0315574.

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Meteorological data acquired with precision, quality, and reliability are crucial in various agronomy fields, especially in studies related to reference evapotranspiration (ETo). ETo plays a fundamental role in the hydrological cycle, irrigation system planning and management, water demand modeling, water stress monitoring, water balance estimation, as well as in hydrological and environmental studies. However, temporal records often encounter issues such as missing measurements. The aim of this study was to evaluate the performance of alternative multivariate procedures for principal component analysis (PCA), using the Nonlinear Iterative Partial Least Squares (NIPALS) and Expectation-Maximization (EM) algorithms, for imputing missing data in time series of meteorological variables. This was carried out on high-dimensional and reduced-sample databases, covering different percentages of missing data. The databases, collected between 2011 and 2021, originated from 45 automatic weather stations in the São Paulo region, Brazil. They were used to create a daily time series of ETo. Five scenarios of missing data (10%, 20%, 30%, 40%, 50%) were simulated, in which datasets were randomly withdrawn from the ETo base. Subsequently, imputation was performed using the NIPALS-PCA, EM-PCA, and simple mean imputation (IM) procedures. This cycle was repeated 100 times, and average performance indicators were calculated. Statistical performance evaluation utilized the following indicators: correlation coefficient (r), Mean Absolute Error (MAE), Mean Absolute Percentage Error (MAPE), Mean Square Error (MSE), Normalized Root Mean Square Error (nRMSE), Willmott Index (d), and performance index (c). In the scenario with 10% missing data, NIPALS-PCA achieved the lowest MAPE (15.4%), followed by EM-PCA (17.0%), while IM recorded a MAPE of 24.7%. In the scenario with 50% missing data, there was a performance reversal, with EM-PCA showing the lowest MAPE (19.1%), followed by NIPALS-PCA (19.9%). The NIPALS-PCA and EM-PCA approaches demonstrated good results in imputation (10% ≤ nRMSE < 20%), with NIPALS-PCA excelling in the 10%, 20%, and 30% scenarios, and EM-PCA in the 40% and 50% scenarios. Based on statistical evaluation, the NIPALS-PCA, EM-PCA, and IM imputation models proved suitable for estimating missing ETo data, with PCA imputation models in the NIPALS and EM algorithms showing the most promise. Future research should explore the effectiveness of various imputation methods in diverse climatic and geographical contexts, as well as develop new techniques considering the temporal and spatial structure of meteorological data, to advance understanding and climate prediction.
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Aurélien, Njamen Kengdo Arsène, and Kwatcho Kengdo Steve. "Gestion Des Donnees Manquantes Dans Les Bases De Donnees En Sciences Sociales : Algorithme Nipals Ou Imputation Multiple?" European Scientific Journal, ESJ 12, no. 35 (2016): 390. http://dx.doi.org/10.19044/esj.2016.v12n35p390.

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The main objective of this paper is to assess the robustness of imputation methods to fill up the series of secondary data in social sciences. The methodology used, especially that of mean imputation, multiple imputation and NIPALS algorithm, is based on a simulation using observed data. Results show a close similarity between the observed data and the data obtained by multiple imputation, mean imputation and NIPALS algorithm. The results also suggest that multiple imputation provides values substantially similar to observed data.
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Miyashita, Yoshikatsu, Toshiaki Itozawa, Hiroyuki Katsumi, and Shin-Ichi Sasaki. "Comments on the NIPALS algorithm." Journal of Chemometrics 4, no. 1 (1990): 97–100. http://dx.doi.org/10.1002/cem.1180040111.

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Patel, Nikesh, Kavitha Sivanathan, and Prashant Mhaskar. "Polymethyl Methacrylate Quality Modeling with Missing Data Using Subspace Based Model Identification." Processes 9, no. 10 (2021): 1691. http://dx.doi.org/10.3390/pr9101691.

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This paper addresses the problem of quality modeling in polymethyl methacrylate (PMMA) production. The key challenge is handling the large amounts of missing quality measurements in each batch due to the time and cost sensitive nature of the measurements. To this end, a missing data subspace algorithm that adapts nonlinear iterative partial least squares (NIPALS) algorithms from both partial least squares (PLS) and principal component analysis (PCA) is utilized to build a data driven dynamic model. The use of NIPALS algorithms allows for the correlation structure of the input–output data to minimize the impact of the large amounts of missing quality measurements. These techniques are utilized in a simulated case study to successfully model the PMMA process in particular, and demonstrate the efficacy of the algorithm to handle the quality prediction problem in general.
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Hedi, Hedi. "PENAKSIRAN PARAMETER PLS DENGAN METODE ALGORITMA NIPALS MENGGUNAKAN BAHASA PEMROGRAMAN STATISTICA." Sigma-Mu 9, no. 2 (2017): 9–15. http://dx.doi.org/10.35313/sigmamu.v9i2.971.

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Prediksi nilai variabel respon didasarkan pada beberapa variabel prediktor dinamakan analisis regresi. Dalam praktiknya, permasalahan yang sering muncul adalah variabel-variabel prediktor yang saling berkorelasi (multikolinieritas). Untuk mengatasi masalah tersebut diterapkan metode Partial Least Squares Regression (PLS). Penaksiran parameter pada PLS diperoleh dengan menggunakan algoritma NIPALS (Non Linier Iterative Least Square) yang langkah-lanngkah perhitungannya ditentukan dengan bahasa pemrograman STATISTICA
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Sarkodie, Samuel Asumadu, and Philip Kofi Adom. "Determinants of energy consumption in Kenya: A NIPALS approach." Energy 159 (September 2018): 696–705. http://dx.doi.org/10.1016/j.energy.2018.06.195.

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Ergon, R. "Re-interpretation of NIPALS results solves PLSR inconsistency problem." Journal of Chemometrics 23, no. 2 (2009): 72–75. http://dx.doi.org/10.1002/cem.1180.

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Yang, Zhanshan, and Xilan Liu. "Roundoff Error Analysis of an Algorithm Based on Householder Bidiagonalization for Total Least Squares Problems." Mathematics 9, no. 20 (2021): 2550. http://dx.doi.org/10.3390/math9202550.

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For large-scale problems, how to establish an algorithm with high accuracy and stability is particularly important. In this paper, the Householder bidiagonalization total least squares (HBITLS) algorithm and nonlinear iterative partial least squares for total least squares (NIPALS-TLS) algorithm were established, by which the same approximate TLS solutions was obtained. In addition, the propagation of the roundoff error for the process of the HBITLS algorithm was analyzed, and the mixed forward-backward stability of these two algorithms was proved. Furthermore, an upper bound of roundoff error was derived, which presents a more detailed and clearer approximation of the computed solution.
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Vandeginste, B. G. M., C. Sielhorst, and M. Gerritsen. "The NIPALS algorithm for the calculation of the principal components of a matrix." TrAC Trends in Analytical Chemistry 7, no. 8 (1988): 286–87. http://dx.doi.org/10.1016/0165-9936(88)80007-4.

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Dissertations / Theses on the topic "NIPALS"

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Eslami, Aida. "Analyse factorielle de données structurées en groupes d'individus : application en biologie." Thesis, Rennes 1, 2013. http://www.theses.fr/2013REN1S091.

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Ce travail concerne les analyses visant à étudier les données où les individus sont structurés en différents groupes (données multi-groupes). La thèse aborde la question des données multi-groupes ayant une structure en un seul tableau, plusieurs tableaux, trois voies et deux blocs (régression). Cette thèse présente plusieurs méthodes d'analyse de données multi-groupes dans le cadre de l'analyse factorielle. Notre travail comporte trois parties. La première partie traite de l'analyse de données multi-groupes (un bloc de variables divisé en sous-groupes d'individus). Le but est soit descriptif (analyse intra-groupes) ou prédictif (analyse discriminante ou analyse inter-groupe). Nous commençons par une description exhaustive des méthodes multi-groupes. En outre, nous proposons deux méthodes : l'Analyse Procrustéenne duale et l'Analyse en Composantes Communes et Poids Spécifiques duale. Nous exposons également de nouvelles propriétés et algorithmes pour l'Analyse en Composantes Principales multi-groupes. La deuxième partie concerne l'analyse multi-blocs et multi-groupes et l'analyse trois voies et multi-groupes. Nous présentons les méthodes existantes. Par ailleurs, nous proposons deux méthodes, l'ACP multi-blocs et multi-groupes et l'ACP multi-blocs et multi-groupes pondérée, vues comme des extensions d'Analyse en Composantes Principales multi-groupes. L'analyse en deux blocs et multi-groupes est prise en compte dans la troisième partie. Tout d'abord, nous présentons des méthodes appropriées pour trouver la relation entre un ensemble de données explicatives et un ensemble de données à expliquer, les deux tableaux présentant une structure de groupe entre les individus. Par la suite, nous proposons quatre méthodes pouvant être vues comme des extensions de la régression PLS au cas multi-groupes, et parmi eux, nous en sélectionnons une et la développons dans une stratégie de régression. Les méthodes proposées sont illustrées sur la base de plusieurs jeux de données réels dans le domaine de la biologie. Toutes les stratégies d'analyse sont programmées sur le logiciel libre R<br>This work deals with multi-group analysis, to study multi-group data where individuals are a priori structured into different groups. The thesis tackles the issue of multi-group data in a multivariate, multi-block, three-way and two-block (regression) setting. It presents several methods of multi-group data analysis in the framework of factorial analysis. It includes three sections. The first section concerns the case of multivariate multi-group data. The aim is either descriptive (within-group analysis) or predictive (discriminant analysis, between-group analysis). We start with a comprehensive review of multi-group methods. Furthermore, we propose two methods namely Dual Generalized Procrustes Analysis and Dual Common Component and Specific Weights Analysis. We also exhibit new properties and algorithms for multi-group Principal Component Analysis. The second section deals with multiblock multi-group and three-way multi-group data analysis. We give a general review of multiblock multi-group methods. In addition, we propose two methods, namely multiblock and multi-group PCA and Weighted-multiblock and multi-group PCA, as extensions of multi-group Principal Component Analysis. The two-block multi-group analysis is taken into account in the third section. Firstly, we give a presentation of appropriate methods to investigate the relationship between an explanatory dataset and a dependent dataset where there is a group structure among individuals. Thereafter, we propose four methods, namely multi-group PLS, in the PLS approach, and among them we select one and develop it into a regression strategy. The proposed methods are illustrated on the basis of several real datasets in the field of biology. All the strategies of analysis are implemented within the framework of R
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Majid, Nazia Abdul. "Investigating the Functions of the NIPBL Protein." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506605.

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Mathieu, Cyrille. "Pathogenèse de l’infection par le virus Nipah." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10287.

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Le virus Nipah (NiV) est un Paramyxovirus zoonotique hautement pathogène, porté par les chauves-souris frugivores, qui a émergé en 1998 en Malaisie. Les épidémies liées à ce virus encéphalitogène continuent de se succéder en Inde et au Bangladesh avec une mortalité pouvant dépasser les 90%. Devant l’absence de traitement et de vaccin, le NiV a été placé parmi les pathogènes de classe 4 requérant le plus haut niveau de biosécurité pour sa manipulation. L’étude des interactions entre le virus et les cellules du sang nous a permis de montrer que le NiV utilise les héparanes sulfates présents sur les leucocytes pour s’accrocher et se disséminer dans l’organisme et atteindre les cellules endothéliales. L’héparine inhibe ce processus ainsi que l’infection in vitro et in vivo mettant en avant une perspective de traitement applicable dans les pays émergents. Par ailleurs, l’analyse transcriptomique des cellules endothéliales infectées par le NiV a révélé l’implication de chimiokines dans la pathogenèse. CXCL10 apparaît en effet comme un marqueur voir une cible dans le cadre du développement de l’encéphalite virale, et l’interféron type 1 comme l’un des facteurs essentiels de la résistance des souris au NiV. Enfin, j’ai montré que la protéine non structurale C du NiV joue un rôle essentiel dans sa virulence, en atténuant la réponse interféron, en perturbant la réponse chimiokine lors de l’infection et en intervenant dans le maintien de la balance génome / antigénome lors du cycle réplicatif viral. Ces résultats permettent une meilleure compréhension de la pathogenèse du NiV et ouvrent de nouvelles perspectives de traitement contre ce virus zoonotique très dangereux pour l’homme<br>Nipah virus (NiV) is a highly pathogenic zoonotic Paramyxovirus that emerged in 1998 in Malaysia from frugivorous bats. The outbreaks of this encephalitic virus still occur annually in India and Bangladesh with the mortality rate reaching up to 90%. The lack of an effective vaccine or treatment limits experimentation with live virus to specially equipped BioSafety Level 4 laboratories. Studies of the interaction between the virus and blood cells revealed that NiV uses Heparan sulfates to stick on the surface of leukocytes for its dissemination within the host and reach endothelial cells. Heparin provided de possibility to inhibit this mechanism of transinfection, such as the infection in vitro and in vivo, opening new perspectives of low cost treatment for emerging countries. Then, transcriptomic analysis of NiV infected endothelial cells revealed the importance of cytokine in the pathogenesis. While CXCL10 appears as a good marker of encephalitis, interferon type 1 explains why mice are resistant to the infection with NiV. Finally, we show the essential role of the non structural C protein of NiV in its virulence, by limiting the interferon response, unbalancing the chemokine response during the infection and through the regulation of the genomic/antigenomic balance during the viral replication cycle. These results shed new light on NiV related pathogenesis and open new perspectives of treatment against this highly lethal zoonotic virus
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Vanbiervliet, Élise. "Synthèses originales de polyuréthanes sans isocyanate (NIPUs)." Thesis, Rennes 1, 2016. http://www.theses.fr/2016REN1S142.

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Actuellement, les polyuréthanes (PUs) sont produits industriellement par polyaddition entre un diisocyanate et un polyol. Le caractère fortement sensibilisant des isocyanates, mettent ces composés sous forte pression réglementaire au niveau européen (REACH) et ont créé le besoin d'obtenir des PUs ne provenant pas d'isocyanates, lesquels sont plus communément appelés Non-Isocyanate PolyUréthanes (NIPUs). Les travaux de cette thèse visent ainsi à établir de nouvelles voies d'accès à des NIPUs. Des pré-polymères téléchéliques ont été synthétisés via la réaction de métathèse. Plusieurs groupements terminaux (jusqu'à 16), réagissant à température ambiante avec une amine primaire, ont été greffés avec succès à ces pré-polymères. La réaction avec plusieurs diamines a conduit à la synthèse de nouveaux matériaux NIPUs entièrement caractérisés. Les stratégies de synthèses développées au cours de ces travaux de thèse ouvrent de nouvelles perspectives quant à l'industrialisation de NIPUs<br>Conventional polyurethanes (PUs) involve the use of isocyanates, which are considerably toxic and require phosgene for their manufacture. To tackle environmental issues, it is necessary to elaborate different routes to PUs. In this context, two isocyanate-free strategies towards the preparation of polythiourethanes (PTUs), i.e. non-isocyanate polyurethanes (NIPUs), have being developed. The first way involves the synthesis of α,ω-di(dithiocyclocarbonate) telechelic poly(propylene glycol) (bis(5DTCC)-PPG), poly(tetrahydrofurane diglycidyl ether) (bis(5DTCC)-PTG), upon chemical modification of the corresponding α,ω-diepoxide telechelic polymers (PPG, PTG, respectively) through cycloaddition of carbon disulfide. The second approach involves the ring-opening metathesis polymerization (ROMP), using Grubbs’ 2nd generation ruthenium catalyst, of cycloolefins using 16 differents chain-transfer agents. Bis(5DTCC) telechelic copolyolefins are thus synthesized. Reaction of the end-capping 5DTCC moieties with a diamine by ring-opening polyaddition ultimately affords at room temperature the corresponding NIPTU
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Dobke, Dirk. "Melancholischer Nippes Dieter Roths frühe Objekte und Materialbilder (1960-75) /." [S.l. : s.n.], 1998. http://www.sub.uni-hamburg.de/disse/40/inhalt.html.

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Boczkowska, Beata. "Aspects of porcine immunological response to Nipah virus." PLoS One, 2012. http://hdl.handle.net/1993/30139.

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Nipah virus (NiV) is a highly pathogenic and zoonotic paramyxovirus in the subfamily Paramyxovirinae, genus Henipavirus. The virus causes outbreaks of severe febrile encephalitis with a high mortality rate in humans, and of encephalitic and respiratory disease but with a low mortality rate in pigs. The innate immune response has a critical role in limiting viral infection by activating antiviral state and adaptive immune response. As pigs are able to overcome the infection with NiV, the working hypothesis was that IFN induced signaling pathways are not completely inhibited by NiV in infected porcine cells enabling an antiviral state to be established. Indeed, there was no block of eIF2α phosphorylation in porcine fibroblast (ST) and monocytic-like (IPAM) cells, and human fibroblast (MRC5) cells. To address the potential activation of an alternative IFN induced pathway, the MAPK signaling pathways were examined. The findings revealed that NiV infection triggers different kinetics of phosphorylation of ERK and p38 MAPK in the selected cell types. The data also indicates that p38 MAPK to be indispensable for NiV replication in vitro especially in immune cells. As the involvement of immune cells in viral spread and in immune modulation of porcine adaptive immune response were reported. The next hypothesis stated that NiV infects immune cells and affects the population frequencies of PBMC in pigs. In vitro, productive viral replication was detected in monocytes, CD6+CD8+ T lymphocytes and NK cells, by recovery of infectious virus, anti-genomic RNA and detection of structural N and non-structural C proteins. B lymphocytes, CD4-CD8-, as well as CD4+CD8- T lymphocytes were not permissive to NiV. In NiV infected piglets, the expansion of the CD4+CD8- T cells early post infection was consistent with a functional humoral response. In contrast, significant drop in CD4+CD8- T cell frequency was observed in piglets which succumbed to the experimental infection, supporting vaccine studies that antibody development is a critical component of protective immune response. Thus, both aspects of innate and adaptive immune response are affected and contribute to NiV pathogenesis. These findings will help researchers to design and establish vaccination programs that would be more effective in pigs.
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Negrete, Oscar Alfredo. "Identification of the Nipah virus receptors insight into the pathogenesis of Henipavirus infection /." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1472152061&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Kuo, Yu-i. "Entre le monde céleste et le monde souterrain : Les nipas, femmes chamanes chez les Akha de Chine." Paris, EHESS, 2009. http://www.theses.fr/2009EHES0355.

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Cette thèse est une première approche des femmes chamanes Akha en Chine. Les Akha forment le sous-ensemble le plus importat en nombre de la nationalité Hani, qui est elle même l'une des cinquante-six minorités nationales officiellemnent reconnues en Chine. La fonction "nipa" est en majorité assumée par des femmes, seul possibilité pour elles de figurer parmi les officiants. Dans un milieu où les femmes sont victimes de l'inégalité, les nipas ont longtimps zouffert d'être traitées avec néagligence. Le passage de femme à femme chamane exige trois étapes à franchir à la suite desquelles elles peuvent acquérir un rôle, celui de guérisseuses. Les niaps possèdent leurs propores esprits mîtres. Ce qu'il est possible d'apprendre sur le nombre d'esprits ma^tres et sur chacun : nationalité, caractère, cituation et occasions de leurs rencontres peut éclairer la connaissance même de la nipa. Entre ces deux-là, une relation étroite s'établit, tout comme la réciprocité d'un reflet dans un miroir. Saisies par l'état de transe, ces guérisseuses ont le droit de faire mouvoir leur corps devant le public en toute indépendance dans un style grotesque. Leurs mélodies psalmodiées révèlent la délicatesse dont sont nimbés ces esprits féminins. Mediums entre Ciel et Terre, elles font se rencontrer ces deux mondes disjoints par leur danse accompagnée de chants<br>This thesis is a priliminary approach to the Akha female shaman in China. The Akha constitutes the most important part of the national minority, Hani which is officially recognized as one of the fifty-six minorities in China. The function of Nipa is mostly performed by women and which gives them the only opportunity to participate religious activity. In the society where women are victims of inequalitiy, the Nipa has always been treated negligently. For a woman who wants to become a female shaman, she must go through three steps, and only after those steps can she become a healer. Every Nipa has her own "Spirit Master". Understanding the information about "Spirit Master", such as identity, nationality, character and the encounter situation of Nipa and Spirit master is the way for us to get into the world of Nipa deeper. Between Nipa and her Spirit Master, there is always a solid relationship, like an object and its reflection of mirror. In the state of trance, the Nipa healiers are granted privilege to move their body freely in a grotesque way. The melodies of Nipa reveal a delicacy haloed by feminine spirits. Performing as a medium between Heaven and Twilight, their chants with dance make these two separate zones encounter
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Gruneberg, Keith Nigel. "Abraham, blessing and the nations : a philological and exegetical study of Genesis 12:3 in its narrative context." Thesis, Durham University, 2001. http://etheses.dur.ac.uk/3820/.

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The meaning of Genesis 12:3 is much controverted. This study, considering the final form of Genesis, argues that it is in the first place a promise of security and greatness to Abraham and Israel, but that in its context, following Genesis 1-11, it also indicates a divine plan to extend blessing to all the earth's peoples. In receiving God's blessing, Abraham/ Israel act as models and/ or pioneers of blessing for others. God's actions remain free, but also invite appropriate human response. Examination of the near-parallels to Genesis 12:3a in Genesis 27:29b and Numbers 24:9b shows that they are concerned more with the security of the person blessed than with the possibility of others gaining blessing. Detailed discussion of the Hebrew niphal concludes that it normally has either passive or 'middle' force (and is very rarely reflexive). No 'middle' sense found elsewhere for the niphal plausibly fits and hence the niphal in Genesis 12:3 (and 18:18 and 28:14) ispassive: analysis of these passages in their contexts supports this grammatical conclusion. The hithpael in general this study argues to be usually 'middle' in force, though sometimes passive and occasionally reflexive. The hithpael of V"[n2 when used outside Genesis is probably a 'speech action middle', meaning 'utter blessing', and this sense fits Genesis 22:18 and 26:4: this is argued to be compatible with understanding the niphal as a passive. The semantics of are also discussed. 'Blessing' in the Old Testament essentially relates to divine bestowal of prosperity onto humans, though God grants humans in certain circumstances the privilege of invoking his blessing on others. (The sense of also extends to, for example, greeting and to praising God.)
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Dean, Nicola Ruth. "Pigmentation of the nipple-areolar complex and its reconstitution in breast reconstruction." Title page, abstract and table of contents only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phd282.pdf.

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"December 2002" Errata and additions inside front cover. Author's previous publications appended. Bibliography: leaves 233-254. This thesis describes research to assess the quality of current methods of nipple-areolar reconstruction on women who have undergone mastectomy for breast cancer. Special attention was paid to pigmentation, and the feasibility of producing an engineered pigmented skin substitute that could be used in this clinical context. Therefore, the research falls into three main parts: a clinical study of patients who have undergone breast reconstruction, a histological study of normal areolar skin and a cell culture study. The study describes a method to grow keratinocytes and melanocytes in vitro from adult surgical discard skin from the breast and abdomen.
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Books on the topic "NIPALS"

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Strobl, Ingrid. Endstation Nippes. Emons, 2010.

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Ferrari, Alberta, Adele Sgarella, and Sandro Zonta, eds. Nipple Sparing Mastectomy. Springer Milan, 2013. http://dx.doi.org/10.1007/978-88-470-5334-2.

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Bergounioux, Gabriel. Mes nippes: Récit. Champ vallon, 2011.

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Ngesa, Mildred. Black-tipped nipples. Empiris Creative Communication Ltd., 2017.

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Freiberg, Alexander N., and Barry Rockx, eds. Nipah Virus. Springer US, 2023. http://dx.doi.org/10.1007/978-1-0716-3283-3.

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Shiffman, Melvin A., ed. Nipple-Areolar Complex Reconstruction. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-60925-6.

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Snobl, Josef. Karnevals: Köln, Basel, Venedig, Nippes. Emons, 2002.

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Goldman, Ezra. Peṭamot shel seleḳ: Beet nipples. Ketav, 2016.

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Saad, Nordin. Nira nipah Pak Usu. Koperasi Dewan Bahasa dan Pustaka (M) Berhad, 2014.

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Poulsen, Grethe Lennert. Nipaassutsip nipaa: Stilhedens stemme. Forlaget Atuagkat, 2013.

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Book chapters on the topic "NIPALS"

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Tang, Baozhen, and Youming Hou. "Nipa Palm Hispid Beetle Octodonta nipae (Maulik)." In Biological Invasions and Its Management in China. Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-024-0948-2_14.

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Ortiz-Pomales, Yan T., and Grant W. Carlson. "Nipple-Sparing Mastectomy and Nipple Ischemia." In Nipple-Areolar Complex Reconstruction. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60925-6_74.

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Gloster, Hugh Morris, Lauren E. Gebauer, and Rachel L. Mistur. "Supernumerary Nipples." In Absolute Dermatology Review. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-03218-4_78.

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Isac, Cristina, and Aurelia Isac. "Inverted Nipples." In Aesthetic Surgery of the Breast. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43407-9_59.

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Hindle, William H., and Raquel D. Arias. "Nipple Discharge." In Breast Care. Springer New York, 1999. http://dx.doi.org/10.1007/978-1-4612-2144-9_16.

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Dietz, Jill R. "Nipple Discharge." In Management of Breast Diseases. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-69743-5_3.

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Godellas, Constantine V. "Nipple Discharge." In Common Surgical Diseases. Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4757-2945-0_91.

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Bravo, Antonio J. "Nipple Discharge." In Office Gynecology. Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4612-4340-3_15.

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Lefemine, Valentina, and Kelvin F. Gomez. "Nipple Reconstruction." In Breast Cancer Management for Surgeons. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56673-3_33.

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Thawani, Anjali R., and Lillian M. Erdahl. "Nipple Discharge." In Clinical Algorithms in General Surgery. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-98497-1_18.

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Conference papers on the topic "NIPALS"

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Utama, Iswandi, Farouk Maricar, and Mukhsan Putra Hatta. "Analysis of Streamline Flow at the Mangalarang-Kajenjeng River Junction." In International Conference on Research in Engineering and Science Technology (IC-REST) 2023. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-8ia6x6.

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Indonesia faces heightened vulnerability to flooding, making it one of the most frequent natural disasters in the country. In 2020, flood incidents peaked at 1,531, with 1,198 recorded in 2021. Makassar City, in South Sulawesi, experienced severe flooding, particularly at the junction of the Mangalarang and Kajenjeng Rivers, where hydrodynamic interactions exacerbate flood conditions. Nipa-nipa regulation ponds were established to mitigate these issues by focusing on hydraulic behavior during floods. This study examines hydraulic streamline flow at this junction using hydrographic surveys, topographic data, and 2D hydrodynamic simulations via Hec-Ras 6.4. The hydrological analysis incorporates frequency analysis and the Gama synthetic unit hydrograph method, while hydrodynamic modeling adheres to NRCS guidelines, employing a 2D transient flow model for accuracy. Results reveal that the Mangalarang River is the sole source of inflow into the nipa-nipa reservoir spillway, impeding the Kajenjeng River's discharge.
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Stott, Alexander E., Sithan Kanna, Danilo P. Mandic, and William T. Pike. "An online NIPALS algorithm for Partial Least Squares." In 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2017. http://dx.doi.org/10.1109/icassp.2017.7952943.

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Kadiyala, Sai Praveen, Vikram Kumar Pudi, Mohit Garg, Hau Ngo, Siew-Kei Lam, and Srikanthan Thambipillai. "Hardware Efficient NIPALS Architecture for Principal Component Analysis of Hyper Spectral Images." In 2019 32nd IEEE International System-on-Chip Conference (SOCC). IEEE, 2019. http://dx.doi.org/10.1109/socc46988.2019.1570555870.

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Bowden, Joshua C. "Application of the OpenCL API for Implementation of the NIPALS Algorithm for Principal Component Analysis of Large Data Sets." In 2010 Sixth IEEE International Conference on E-Science Workshops. IEEE, 2010. http://dx.doi.org/10.1109/esciencew.2010.14.

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Ahmad, Zeeshan, Abdullah Alhaj Al Hosini, Mohammed Ibrahim Al Janahi, et al. "Integrity Challenges and Restoration of Sub-Surface Safety Valves by Innovative Rigless Techniques." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211192-ms.

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Abstract Sub-surface safety valves are the integral critical part of the well integrity management and their functionality cannot be compromised at any stage of well life. Unavailability of SSSV's due to integrity issues company was facing serious challenges in production and well availability during high gas demand. Moreover, workover solution led to 7-8 months for completion of workover and reinstatement of surface facilities. In this paper, case studies of different integrity related problems with sub-surface valves discussed and extensive study conducted to restore the critical sub-surface safety system. These case studies highlighted encountered problems such as landing nipple profile damaged due to corrosion/scale, movement of SSSV from its profile, broken flapper during hydraulic frac operation and conversion of TRSSSV to insert type with challenging well interventions issues. High pressure gas well was restored with redressed SSSV by using nipples gauge hanger above the valve to avoid any jumping of newly installed valve due to nipple profile washed out limitation. Insert type valve option evaluated for the same well with 40 MMSCF/D flow and concluded not suitable due to production constraints as ID of IVC was less than 2" which may be suitable for low producers. Special KMH tool designed and E-line utilized for real time monitoring during trouble shooting of TRSSV with broken flapper and successfully resumed the well accessibility for workover operation. Wireless technology can improve the accuracy of response and safety system of wells with limitation of relatively less flow specially in gas wells with scale challenges. Such approach may avoid the work over in case of more accurate control.
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Moctar, Mohamed Abdellahi El, Hanae Taghzouti, MB Idrissi, et al. "138 Nipple discharge." In ESGO 2024 Congress Abstracts. BMJ Publishing Group Ltd, 2024. http://dx.doi.org/10.1136/ijgc-2024-esgo.876.

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Zeng, Yi-Chong. "Realizing Nipple in Profile Recognition and Nipple Detection Using a Single Classification." In 2023 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC). IEEE, 2023. http://dx.doi.org/10.1109/apsipaasc58517.2023.10317394.

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Mitchell, SD, SC Willey, SM Feldman, et al. "Abstract P4-14-01: Incidence rate of nipple areolar complex ischemia after nipple sparing mastectomy. Analysis of the American Society of Breast Surgeons Nipple Sparing Mastectomy Registry." In Abstracts: Thirty-Fifth Annual CTRC‐AACR San Antonio Breast Cancer Symposium‐‐ Dec 4‐8, 2012; San Antonio, TX. American Association for Cancer Research, 2012. http://dx.doi.org/10.1158/0008-5472.sabcs12-p4-14-01.

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Crawford, Rob, Matt Manning, Fraser Hamilton, and Charles Harcourt. "Compact, Pressure-Actuated Downhole Safety Valve Improves Safety and Efficiency for Cable Deployed ESPs." In SPE Middle East Artificial Lift Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/206994-ms.

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Abstract An advanced downhole sub-surface safety valve (SSSV) has been developed to create an improved well control solution for slim-line, cable deployed Electric Submersible Pump (ESP) applications. The new SSSV enables all safety regulations to be met whilst simplifying deployment and retrieval. During traditional ESP deployments the production tubing is replaced, allowing power cables and control lines to run outside the tubing. However, slim-line cable deployed ESPs are retrofitted through existing tubing, which means the ESP cable and SSSV control lines can cause an obstruction to the existing SSSV. To maintain a functioning SSSV a modified valve can be retrofitted into an existing safety valve profile nipple and is designed to seal around the ESP cable. However, this option is limited to wells with existing wireline retrievable SSSV profile nipples and associated control lines that are in acceptable condition. The new advanced SSSV does not require a control line and functions based on the ESP intake to discharge differential pressure signal. The valve is installed at the ESP depth and opens when the ESP is pumping, with a fail-safe closing mechanism when the ESP is switched off. The deployment configuration can be varied to suit the application, either as an ingrated part of the cable deployed ESP assembly, or separately. As sealing around the ESP cable is not required, the new technology significantly reduces cost and complexity of cable deployed ESP installations where a SSSV is required. The new technology can also be used in other artificial lift systems.
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Schwanitz, Brian Joseph, Antonius Aji, Joseph Paul Collins, and Kristine Henriques. "Nipple Profile Milling With Electric Wireline Interventions." In SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition. Society of Petroleum Engineers, 2010. http://dx.doi.org/10.2118/130708-ms.

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Reports on the topic "NIPALS"

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Russo, Irma H. Breast Cancer Biomarkers Based on Nipple and Fine Needle Aspirates. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada443571.

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Russo, Irma. Breast Cancer Biomarkers Based on Nipple and Fine Needle Aspirates. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada433861.

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Torosian, Michael H. Breast Cancer Biomarkers Based on Nipple and Fine Need Aspirates. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada410824.

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Sauter, Edward R. Breast Cancer Biomarkers Based on Nipple and Fine Needle Aspirates. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada381296.

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Ketterer, Juan, Adrián Ortega Andrade, Juan Martínez Álvarez, and Daniel Fonseca. Financial Solutions for Development: National Infrastructure Platforms. Inter-American Development Bank, 2022. http://dx.doi.org/10.18235/0004654.

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This paper presents a new public policy instrument, national infrastructure platforms (NIPs), to promote investment in sustainable infrastructure in Latin America and the Caribbean. The region has important infrastructure deficits that limit its ability to meet challenges of economic growth, climate change, and social inclusion and equality. NIPs will allow countries to maximize the use of public, multilateral, and concessional financing resources to promote socioeconomic development. Specifically, since the infrastructure challenges of the region will not be met with public funding, NIPs will permit countries to optimize the role of public investment as a financial enabler for private investment, prioritizing climate change resilience through sustainable infrastructure. This document outlines the structure of NIPs and their three main functions: project preparation, de-risking, and financial structuring. These respectively identify and prioritize projects, incorporate the necessary risk mitigation instruments, and structure and deliver bankable projects until they successfully reach their commercial and financial closing stages.
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Li, Frederick. Proteomic Analyses of Nipple Fluids for Early Detection of Breast Cancer. Defense Technical Information Center, 2007. http://dx.doi.org/10.21236/ada484473.

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Li, Frederick. Proteomic Analyses of Nipple Fluids for Early Detection of Breast Cancer. Defense Technical Information Center, 2006. http://dx.doi.org/10.21236/ada484509.

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Li, Frederick P., Anne-Renee Hartman, and Alexander Miron. Proteomic Analyses of Nipple Fluids for Early Detection of Breast Cancer. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada431308.

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Trock, Bruce J. Early Detection Based on Angiogenic Growth Factors in Nipple Aspirate Fluid. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada390934.

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Li, Frederick P. CEA, PSA and Other Biomarkers in Nipple Fluid for Early Cancer Detection. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada374023.

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