Academic literature on the topic 'CF-VaR'

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Journal articles on the topic "CF-VaR"

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Souza, Helenires Queiroz de, and Izonete de Jesus Araújo Aguiar. "Diversidade de Agaricales (Basidiomycota) na Reserva Biológica Walter Egler, Amazonas, Brasil." Acta Amazonica 34, no. 1 (2004): 43–51. http://dx.doi.org/10.1590/s0044-59672004000100006.

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Foi realizado um estudo dos representantes da Ordem Agaricales Clements (Hymenomycetes, Basidiomycotina), ocorrentes na Reserva Biológica Walter Egler, situada na Estrada AM-010, Manaus-Itacoatiara, Km 64, Latitude 02° 43' S e Longitude 59° 47' W, Rio Preto da Eva, Amazonas. A área abrange 709 ha de floresta de terra firme primária. As coletas foram realizadas no período de dezembro de 2000 a junho de 2001 e seguiu-se a metodologia usual para identificação de Agaricales. Foram estudadas um total de 39 espécies, distribuídas em 13 gêneros e seis famílias: Polyporaceae: Pleurotus sp.; Hygrophora
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Souza, Helenires Queiroz de, and Izonete de Jesus Araújo Aguiar. "Ocorrência do gênero Marasmius Fr. (Tricholomataceae, Agaricales) na Reserva Biológica Walter Egler, Amazonas, Brasil." Acta Amazonica 37, no. 1 (2007): 27–35. http://dx.doi.org/10.1590/s0044-59672007000100003.

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O gênero Marasmius Fr. (Tricholomataceae, Agaricales) compreende fungos comumente conhecidos como cogumelos. São cosmopolitas, mas muito mais numerosos em corpos de frutificação e espécies nas regiões tropicais do que em regiões temperadas ou frias. Ocorrem mais freqüentemente sobre madeira ou folhas mortas ou vivas e mais raramente entre musgos ou gramíneas no solo. O presente trabalho teve como objetivo de estudo os representantes do gênero Marasmius Fr. ocorrentes na Reserva Biológica Walter Alberto Egler, município de Rio Preto da Eva, Amazonas. As coletas foram realizadas no período de de
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Lee, Ahreum, Byung-Ju Sohn, Ed Pavelin, et al. "Assessment of Cloud Retrieval for IASI 1D-Var Cloudy-Sky Assimilation and Improvement with an ANN Approach." Weather and Forecasting 35, no. 4 (2020): 1363–80. http://dx.doi.org/10.1175/waf-d-19-0218.1.

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AbstractThe Unified Model (UM) data assimilation system incorporates a 1D-Var analysis of cloud variables for assimilating hyperspectral infrared radiances. For the Infrared Atmospheric Sounding Interferometer (IASI) radiance assimilation, a first guess of cloud top pressure (CTP) and cloud fraction (CF) is estimated using the minimum residual (MR) method, which simultaneously obtains CTP and CF by minimizing radiance difference between observation and model simulation. In this study, we examined how those MR-based cloud retrievals behave, using “optimum” CTP and CF that yield the best 1D-Var
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Cepák, Vladislav, and Jaromír Lukavský. "Cryoseston of the Pirin Mountains, Bulgaria." Acta Botanica Croatica 72, no. 2 (2013): 257–68. http://dx.doi.org/10.2478/botcro-2013-0012.

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Abstract - In the cryoseston community of the Pirin Mountains, 18 species were determined. Chlorophyta: Chlamydomonas nivalis (predominant), Chloromonas brevispina, Chloromonas rostafinski, Chlainomonas rubra (new genus and species for Bulgaria, documented in Europe for only the second time), Cystococcus nivicolus and Stichococcus nivalis. Bacillariophyceae: Aulacoseira granulata var. angustissima, Hantzchia amphioxys, cf. Surirella. Fungi: cf. Chytridium chlamydococcii. Deuteromycetes: Selenotila nivalis, Chionaster nivalis, and saprophytic fungae cf. Myzocytium, Rhodosporidium toruloides, Al
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Zhurbenko, Mikhail P., Ochirbat Enkhtuya, and Samiya Javkhlan. "A first synopsis of lichenicolous fungi of Mongolia, with the description of five new species." Plant and Fungal Systematics 64, no. 2 (2019): 345–66. http://dx.doi.org/10.2478/pfs-2019-0023.

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AbstractA first synopsis of lichenicolous fungi of Mongolia based on new collections and literature data is provided, including 114 species. Five new species are described: Capronia cogtii (on Vahliella leucophaea), Echinothecium hypogymniae (on Hypogymnia bitteri), Feltgeniomyces mongolicus (on H. bitteri), Phacopsis vulpicidae (on Vulpicida juniperina) and Roselliniella javkhlanae (on Rinodina turfacea var. ecrustacea). Two new combinations are proposed: Endococcus hafellneri (≡ Stigmidium hafellneri) and Sphaerellothecium taimyricum (≡ Sphaerellothecium thamnoliae var. taimyricum). Unidenti
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Jalink, Henk, Rob van der Schoor, Angela Frandas, Jaap G. van Pijlen, and Raoul J. Bino. "Chlorophyll fluorescence of Brassica oleracea seeds as a non-destructive marker for seed maturity and seed performance." Seed Science Research 8, no. 4 (1998): 437–43. http://dx.doi.org/10.1017/s0960258500004402.

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AbstractA method is proposed for assessing the maturity and quality of seeds, based on measuring the amount of chlorophyll fluorescence (CF) signals of intact seeds. In general, the amount of chlorophyll is directly related to the degreening process and thus the maturity. Cabbage seeds (Brassica oleracea var. capitata) were separated into three subsamples based on the CF signals of the individual intact seeds. Seeds with the lowest amount of CF had the highest percentage of germination and normal seedlings. In a controlled deterioration test, the subsample with the lowest CF signal had slightl
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PÉREZ, M. C., S. BONILLA, and G. MARTÍNEZ. "Phytoplankton community of a polymictic reservoir, La Plata River basin, Uruguay." Revista Brasileira de Biologia 59, no. 4 (1999): 535–41. http://dx.doi.org/10.1590/s0034-71081999000400002.

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This paper deals with the analysis of phytoplankton composition and abundance from four sampling stations at the polymictic system, Rincón del Bonete water reservoir in Uruguay. Sampling data were obtained in 4 seasonal periods between February and November 1993. A hundred and twenty-four taxa were identified, where Aulacoseira granulata (Ehrenb.) Simon., A. granulata var. angustissima (Muller) Simon., A. granulata var. angustissima f. spiralis, (Muller) Simon., A. cf. ambigua, (Grun.) Simon., A. cf.. distans (Ehrenb.) Simon., Cryptomonas spp. and Synedra ulna (Nitzsch) Ehrenberg, were always
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Sierra-Baquero, Paola Vanessa, Edgar Herney Varón-Devia, Lucimar Gomes-Días, and Camilo Ignacio Jaramillo-Barrios. "Fluctuación poblacional de trips (Frankliniella cf. gardeniae) en cultivos de mango en Tolima, Colombia." Revista Colombiana de Entomología 44, no. 2 (2018): 158–64. http://dx.doi.org/10.25100/socolen.v44i2.7311.

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El mango es una de las frutas tropicales con mayor producción a nivel mundial; en Colombia es un cultivo con gran potencial de exportación. Sin embargo, insectos plaga como los trips, pueden incidir en su calidad y producción. En esta investigación se evaluó la relación de la fluctuación poblacional de trips (Frankliniella cf. gardeniae) con las condiciones climáticas, la fenología del mango (var. Yulima y Tommy) y los hospederos alternos en el Guamo y San Luis (Tolima). Semanalmente se muestrearon trips en inflorescencias, hojas jóvenes de mango y en arvenses asociadas, se registraron los est
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Marquardt, Gisele Carolina, and Carlos Eduardo de Mattos Bicudo. "Criptógamos do Parque Estadual das Fontes do Ipiranga, São Paulo, SP. Algas 36: Bacillariophyceae (Cymbellales)." Hoehnea 41, no. 2 (2014): 209–46. http://dx.doi.org/10.1590/s2236-89062014000200005.

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Foi providenciado o levantamento florístico da ordem Cymbellales (Bacillariophyceae) na área do PEFI, Parque Estadual das Fontes do Ipiranga, São Paulo, SP, Brasil, com base na análise de 28 unidades amostrais. Amostras de plâncton foram obtidas com auxílio de rede e as de perifíton pela coleta e remoção das diatomáceas aderidas aos talos de macrófitas aquáticas submersas. O material foi oxidado e analisado em microscopia de luz e eletrônica de varredura. Seis gêneros e o total de 36 táxons foram identificados. Características morfológicas e dimensões das frústulas foram providenciadas para to
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Read, J., and GS Hope. "Foliar Frost-Resistance of Some Evergreen Tropical and Extratropical Australasian Nothofagus Species." Australian Journal of Botany 37, no. 5 (1989): 361. http://dx.doi.org/10.1071/bt9890361.

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Foliar frost resistance was compared in the evergreen Australian Nothofagus species, N. cunninghamii (Hook.) Oerst. and N. moorei (F. Muell.) Krasser, and the New Guinea species, N. carrii Steenis, N. cf. carrii Steenis, N. cf. crenata var. sapeii Steenis, N. grandis Steenis, N. perryi Steenis, N. Pseudoresinosa Steenis and N. pullei Steenis. The order of frost resistance after hardening treatments was N. cunninghamii > N. moorei > New Guinea species, with T50 values (temperature at which 50% tissue damage occurs) ranging from 11.4�C in N. cunninghamii to -5.7� C in N. grandis and N. cf.
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Dissertations / Theses on the topic "CF-VaR"

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Pradat, Yannick. "Retraite et risque financier." Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLED022/document.

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Le premier chapitre examine les caractéristiques statistiques à long terme des rendements financiers en France et aux USA. Les propriétés des différents actifs font apparaître qu’à long terme les actions procurent un risque sensiblement moins élevé. En outre, les propriétés de retour à la moyenne des actions justifient qu’elles soient utilisées dans une stratégie de cycle de vie comme « option par défaut » de plans d’épargne retraite. Le chapitre deux fournit une explication au débat sur l'hypothèse d’efficience des marchés. La cause du débat est souvent attribuée à la petite taille des échant
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