Academic literature on the topic 'Coloration impaire'

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Journal articles on the topic "Coloration impaire"

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Webster, Richard J., Christopher Hassall, Chris M. Herdman, Jean-Guy J. Godin, and Thomas N. Sherratt. "Disruptive camouflage impairs object recognition." Biology Letters 9, no. 6 (2013): 20130501. http://dx.doi.org/10.1098/rsbl.2013.0501.

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Whether hiding from predators, or avoiding battlefield casualties, camouflage is widely employed to prevent detection. Disruptive coloration is a seemingly well-known camouflage mechanism proposed to function by breaking up an object's salient features (for example their characteristic outline), rendering objects more difficult to recognize. However, while a wide range of animals are thought to evade detection using disruptive patterns, there is no direct experimental evidence that disruptive coloration impairs recognition. Using humans searching for computer-generated moth targets, we demonst
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Gil-Santana, Hélcio R. "Hiranetis vanderheydeni sp. nov. (Hemiptera: Reduviidae: Harpactorinae), an example of how a superficial evaluation may impair the taxonomy." REVISTA CHILENA DE ENTOMOLOGÍA 50, no. 2 (2024): 353–73. http://dx.doi.org/10.35249/rche.50.2.24.17.

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Hiranetis vanderheydeni sp. nov. (Hemiptera: Heteroptera: Reduviidae: Harpactorinae) is described from Brazil based on females and male specimens. This species, from Brazilian Atlantic Forest, has remained undescribed for at least about a century, because of two previous mistakes involving the taxonomy of species with similar general aposematic coloration.
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Marshall, Kate L. A., Kate E. Philpot, and Martin Stevens. "Conspicuous male coloration impairs survival against avian predators in Aegean wall lizards, Podarcis erhardii." Ecology and Evolution 5, no. 18 (2015): 4115–31. http://dx.doi.org/10.1002/ece3.1650.

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Adakole, John Ameh, and J. B. Balogun. "Acute ecotoxicity of aqueous and ethanolic extract of leaves of <i>Khaya senegalensis</i> on chironomid larvae." Brazilian Journal of Aquatic Science and Technology 15, no. 2 (2011): 41–45. http://dx.doi.org/10.14210/bjast.v15n2.p41-45.

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Protection of aquatic habitat requires an understanding of both the sensitivity of invertebrates to contaminants and their ecological requirements. Phyto-chemical screening of the leaves of extract of Khaya senegalensis revealed the presence of active constituents. Acute ecotoxicities of aqueous and ethanolic extracts of leaves of Khaya senegalensis to Chironomid larvae were evaluated by static bioassay. Bioactivity of the ethanolic extract was found to be greater than the aqueous extract. The LC50 of aqueous and ethanolic extracts were 1.39g/l and 1.20g/l respectively. Stressful behaviors exh
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Kermicle, Jerry L., and Mary Alleman. "Gametic imprinting in maize in relation to the angiosperm life cycle." Development 108, Supplement (1990): 9–14. http://dx.doi.org/10.1242/dev.108.supplement.9.

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Differences in the activity of maternally and paternally derived genomes in maize endosperm have been observed at three levels of genetic manipulation. When the balance of entire chromosome sets departs from the standard ratio of two of maternal origin to one of paternal origin, development is impaired, often leading to seed failure. At the level of individual chromosomes, absence of a paternal representative for 8 of the 19 chromosome arms tested causes a marked reduction in kernel size. Replacement of the missing arms by ones of maternal origin does not complement this defect. At the gene le
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Mullakaev, Orazali, Minsagit Lutfullin, Evgeny Kirillov, Elena Zaikina, and Gulnar Nizamova. "Effect of the drug “Degelm-14” on spontaneously infected chickens with eimeriosis." BIO Web of Conferences 52 (2022): 00042. http://dx.doi.org/10.1051/bioconf/20225200042.

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The studies show that when using the preparation "Degelm-14" after infection of birds, the histological structure in most of the studied organs was gradually restored. In the glandular stomach and small intestine on the 22nd day after application of the studied preparation the microstructure of the organ recovered completely. Microstructural changes in the cloacal pouch and spleen after application of Degelm-14 indicated restoration of the proliferative activity of the cells of the germinal centers. In the liver, at the final stage of the study, there were no signs of metabolic disorders in he
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Arellano-Aguilar, Omar, and Constantino Macías Garcia. "Exposure to pesticides impairs the expression of fish ornaments reducing the availability of attractive males." Proceedings of the Royal Society B: Biological Sciences 275, no. 1640 (2008): 1343–51. http://dx.doi.org/10.1098/rspb.2008.0163.

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Ornament magnitude often reflects a local balance between sexual selection and other sources of natural selection opposing their elaboration. Human activity may disrupt this balance if it modifies the costs of producing, maintaining or displaying the ornaments. When costs are increased, a shortage of acceptable partners may ensue, with consequences commensurate with how stringent (and effective) the process of mate choice is. Here, we show that the expression of ornaments in the viviparous amarillo fish ( Girardinichthys multiradiatus ) is influenced by embryonic exposure to low concentrations
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Si, Si, Xiao Xu, Yan Zhuang, et al. "The genetics and evolution of eye color in domestic pigeons (Columba livia)." PLOS Genetics 17, no. 8 (2021): e1009770. http://dx.doi.org/10.1371/journal.pgen.1009770.

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The eye color of birds, generally referring to the color of the iris, results from both pigmentation and structural coloration. Avian iris colors exhibit striking interspecific and intraspecific variations that correspond to unique evolutionary and ecological histories. Here, we identified the genetic basis of pearl (white) iris color in domestic pigeons (Columba livia) to explore the largely unknown genetic mechanism underlying the evolution of avian iris coloration. Using a genome-wide association study (GWAS) approach in 92 pigeons, we mapped the pearl iris trait to a 9 kb region containing
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Oliveira, Sueyde F. de, Denis S. da Costa, Simone da C. Mello, Ana Dionisia da LC Novembre, and Francisco G. Gomes-Junior. "Germination of parsley seeds influenced by mericarps color and internal morphology." Horticultura Brasileira 31, no. 2 (2013): 231–35. http://dx.doi.org/10.1590/s0102-05362013000200009.

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The objective of the present study was to establish a relationship between mericarps color and internal morphology of parsley with the germination, using sorting by coloration and the X-ray test. The completely randomized design was used, with four replications per treatment. The treatments were constituted of four lots (A, B, C and D) and three mericarps colors (green, yellow and black) in 4×3 factorial experiment. The mericarps were exposed to X-ray test (60s; 20kV), being used the digital equipment Faxitron X-ray, model MX-20 DC12 and then, the irradiated mericarps were submitted to the ger
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Leiva-Ampuero, Andrés, Mario Agurto, José Tomás Matus, et al. "Salinity impairs photosynthetic capacity and enhances carotenoid-related gene expression and biosynthesis in tomato (Solanum lycopersicum L. cv. Micro-Tom)." PeerJ 8 (September 17, 2020): e9742. http://dx.doi.org/10.7717/peerj.9742.

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Carotenoids are essential components of the photosynthetic antenna and reaction center complexes, being also responsible for antioxidant defense, coloration, and many other functions in multiple plant tissues. In tomato, salinity negatively affects the development of vegetative organs and productivity, but according to previous studies it might also increase fruit color and taste, improving its quality, which is a current agricultural challenge. The fruit quality parameters that are increased by salinity are cultivar-specific and include carotenoid, sugar, and organic acid contents. However, t
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Dissertations / Theses on the topic "Coloration impaire"

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Ouyang, Qiancheng. "Some colouring problems in edge/vertex-coloured graphs : Structural and extremal studies." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG060.

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La coloration de graphes est l'un des sujets les plus connus, populaires et largement étudiés dans le domaine de la théorie des graphes, avec une vaste littérature comprenant des approches provenant de nombreux domaines ainsi que de nombreux problèmes qui sont encore ouverts et étudiés par divers mathématiciens et informaticiens à travers le monde. Le Problème des Quatre Couleurs, à l'origine de l'étude de la coloration des graphes, a été l'un des problèmes centraux en théorie des graphes au siècle dernier. Il demande s'il est possible de colorer proprement chaque graphe planaire avec quatre c
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Marcus, Karina. "Multiflots, métriques et graphes h-parfaits : les cycles impairs dans l'optimisation combinatoire." Phd thesis, Université Joseph Fourier (Grenoble), 1996. http://tel.archives-ouvertes.fr/tel-00005002.

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Ce travail se situe dans le domaine de l'optimisation combinatoire. Nous étudions plus particulièrement des caractérisations d'objets pour lesquels des problèmes, qui dans le cas général sont NP-complets, deviennent polynomiaux. Nous traitons d'abord le problème de la faisabilité d'un multiflot, qui possède des applications trés importantes en recherche opérationnelle. C'est à dire, étant donnée la spécification du problème, avec le réseau, les capacités et les demandes, on veut démontrer l'existence ou la non-existence d'une solution. Une façon d'aborder ce problème est de donner des conditio
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Books on the topic "Coloration impaire"

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Olandese - Libro Da Colorare. Imparare il Olandese per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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nerdMediaIT. Colorato Mondo Di Animali - Italiano-Norvegese - Libro Da Colorare. Imparare il Inglese per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Polacco - Libro Da Colorare. Imparare il Polacco per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Inglese - Libro Da Colorare. Imparare il Inglese per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Portoghese - Libro Da Colorare. Imparare il Portoghese per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Croato - Libro Da Colorare. Imparare il Croato per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Turco - Libro Da Colorare. Imparare il Turco per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Spagnolo - Libro Da Colorare. Imparare il Spagnolo per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Nerdmediait. Colorato Mondo Di Animali - Italiano-Danese - Libro Da Colorare. Imparare il Danese per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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nerdMediaIT. Colorato Mondo Di Animali - Italiano-Tedesco - Libro Da Colorare. Imparare il Tedesco per Bambini. Colorare e Imparare in Modo Creativo. Independently Published, 2018.

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Book chapters on the topic "Coloration impaire"

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Pargai, Deepti. "Application of Smart and Functional Dyes in Textiles." In Dyes and Pigments - Novel Applications and Waste Treatment. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96045.

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Our future will be based on functional and AI based smart products, where every industry wants to develop these kinds of products. Textile industry also cannot remain untouched with this technological innovation. Dyes have been utilising for coloration of textiles since ancient time. But at present with various advancement in technology as well as requirements of consumers, the need for functional and smart dyes arises. Various current researches are based on application of smart and functional dyes on textile to develop smart and functional textiles. The dyes which add the functional and smar
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