Relevant bibliographies by topics / Bleaching experiment

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

Academic literature on the topic 'Bleaching experiment'

Author: Grafiati
Published: 28 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Bleaching experiment"

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Fu, Sha, Matthew J. Farrell, Mary A. Ankeny, Edwin T. Turner, and Victoria Rizk. "Hydrogen Peroxide Bleaching of Cationized Cotton Fabric." AATCC Journal of Research 6, no. 5 (2019): 21–29. http://dx.doi.org/10.14504/ajr.6.5.4.

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Hydrogen peroxide (H2O2) is the most commonly used bleaching agent for cotton fabric. However, the conventional H2O2 bleaching formula is not applicable for cationized cotton due to the low whiteness index after bleaching, fabric weakening, and a significant loss of cationic sites. In this work, magnesium sulfate (MgSO4) was added in the H2O2 bleaching formula to stabilize the bleaching system for cationized cotton. Additionally, a screening experiment with temperature and time, and sodium hydroxide (NaOH), H2O2, and MgSO4 concentrations as the factors, and whiteness index, bursting strength,
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Li, Zhijiang, Tianru Yu, and Lichao Yu. "Study on the scouring-bleaching technology of Xinjiang scutched flax." Journal of Engineered Fibers and Fabrics 15 (January 2020): 155892502095765. http://dx.doi.org/10.1177/1558925020957650.

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This study explored and improved the optimal scouring-bleaching process of Xinjiang scutched flax, based on its characteristics and the scouring-bleaching process of existing mature flax. The physical properties, such as length, strength, split degree and fineness, and the chemical composition of Xinjiang scutched flax, such as the content of cellulose, lipowax, pectin, hemicellulose, water-soluble matter, lignin, etc., were measured and analyzed. The approximate range of bleaching process parameters was determined referring to the existing general flax scouring-bleaching process. Thirdly, the
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Fudin, Robert. "Subliminal Psychodynamic Activation: Note on Illumination and the Bleaching Hypothesis." Perceptual and Motor Skills 64, no. 3_suppl (1987): 1223–30. http://dx.doi.org/10.2466/pms.1987.64.3c.1223.

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The effect of illumination on the outcome of subliminal psychodynamic activation experiments is discussed and the bleaching hypothesis Silverman, Ross, Adler, and Lustig in 1978 used to explain negative results under certain illumination conditions is critically evaluated. Illumination levels suggested by Silverman for this research do not completely agree with values used in most successful experiments prior to 1980. The sequence of tachistoscopic events usually presented in a typical experiment and information-processing considerations suggest that, contrary to Silverman's earlier suggestion
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Schoepf, Verena, Andréa G. Grottoli, Stephen J. Levas, et al. "Annual coral bleaching and the long-term recovery capacity of coral." Proceedings of the Royal Society B: Biological Sciences 282, no. 1819 (2015): 20151887. http://dx.doi.org/10.1098/rspb.2015.1887.

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Mass bleaching events are predicted to occur annually later this century. Nevertheless, it remains unknown whether corals will be able to recover between annual bleaching events. Using a combined tank and field experiment, we simulated annual bleaching by exposing three Caribbean coral species ( Porites divaricata , Porites astreoides and Orbicella faveolata ) to elevated temperatures for 2.5 weeks in 2 consecutive years. The impact of annual bleaching stress on chlorophyll a , energy reserves, calcification, and tissue C and N isotopes was assessed immediately after the second bleaching and a
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Noonan, Sam H. C., and Katharina E. Fabricius. "Ocean acidification affects productivity but not the severity of thermal bleaching in some tropical corals." ICES Journal of Marine Science 73, no. 3 (2015): 715–26. http://dx.doi.org/10.1093/icesjms/fsv127.

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Abstract Increasing carbon dioxide (CO2) emissions are raising sea surface temperature (SST) and causing ocean acidification (OA). While higher SST increases the frequency of mass coral bleaching events, it is unclear how OA will interact to affect this process. In this study, we combine in situ bleaching surveys around three tropical CO2 seeps with a 2-month two-factor (CO2 and temperature) tank experiment to investigate how OA and SST in combination will affect the bleaching susceptibility of tropical reef corals. Surveys at CO2 seep and control sites during a minor regional bleaching event
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Shan, Xiao Hong, Jun Xiong Liu, and Wei Wei Liu. "Research on Degumming and Bleaching Apocynum venetum in one-Bath Alkali-H2O2." Advanced Materials Research 332-334 (September 2011): 11–16. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.11.

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This paper researched the process rapidly degumming and bleaching apocynum venetum, which is one-bath alkali-H2O2 method and a specific technique. The three-factor quadratic general rotary unitized optimization[1] design was used to analyze the three parameters mostly affecting the degumming and bleaching process: the NaOH concentration, the H2O2 dosages and the processing time. Through the experiment, calculation, analysis and verification, the optimum combination of the three parameters for degumming and bleaching process was gotten: NaOH concentration 10～11(g/L), H2O2 dosages 9.5～10.5(g/L),
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Borges, Boniek, Mariana Vale, Felipe Afonso, and Isauremi Assunção. "Can Enhanced Peroxides Decrease the Side Effects of Tooth Bleaching? A Systematic Review of the Literature." International Journal of Experimental Dental Science 3, no. 2 (2014): 84–91. http://dx.doi.org/10.5005/jp-journals-10029-1077.

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ABSTRACT Adverse effects of tooth bleaching on dental structures remain a topic of discussion in the literature, and the search for protocols that reduce such reported adverse effects is ongoing. The goal of this systematic literature review was to determine whether the use of tooth bleaching gels with added minerals, such as fluoride, calcium, hydroxyapatite, potassium nitrate, amorphous calcium phosphate, and casein phosphopeptide-amorphous calcium phosphate, reduced the occurrence of the main adverse effects of tooth bleaching. The electronic database search identified 16 studies that evalu
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Stokes, Sarah, Nicholas Márquez-Grant, and Charlene Greenwood. "Establishing a minimum PMI for bone sun bleaching in a UK environment with a controlled desert-simulated comparison." International Journal of Legal Medicine 134, no. 6 (2020): 2297–306. http://dx.doi.org/10.1007/s00414-020-02385-y.

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Abstract Microenvironments play a significant part in understanding the post-mortem interval in forensic taphonomy. Recently, the value of weathering factors in relation to obtaining a PMI has been investigated further. In this study, observations were made to calculate the length of time it takes for three different bone elements (femur, rib, and scapula) to bleach in a UK summer and winter. This research also investigated whether there were any physicochemical modifications to the bone caused by bleaching. Porcine femora, scapulae, and ribs were placed into open and shaded areas of an outdoo
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McLachlan, Rowan H., James T. Price, Sarah L. Solomon, and Andréa G. Grottoli. "Thirty years of coral heat-stress experiments: a review of methods." Coral Reefs 39, no. 4 (2020): 885–902. http://dx.doi.org/10.1007/s00338-020-01931-9.

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AbstractFor over three decades, scientists have conducted heat-stress experiments to predict how coral will respond to ocean warming due to global climate change. However, there are often conflicting results in the literature that are difficult to resolve, which we hypothesize are a result of unintended biases, variation in experimental design, and underreporting of critical methodological information. Here, we reviewed 255 coral heat-stress experiments to (1) document where and when they were conducted and on which species, (2) assess variability in experimental design, and (3) quantify the d
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Liu, Quan Xiao, Dan Xi Li, and Wen Cai Xu. "Study on Mercerization Orthogonal Experiment of Coniferous Wood Pulp Fiber." Advanced Materials Research 1030-1032 (September 2014): 454–57. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.454.

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Effects of mercerizing treatment on water-retention value of bleaching coniferous wood pulp fibers were discussed and the mercerizing treatment conditions were optimized. The best conditions of mercerizing treatment is NaOH concentration of 7mol/L, temperature of 40°C and processing time of 100min. SEM showed that the fiber cell wall swelling increase after mercerization.
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Dissertations / Theses on the topic "Bleaching experiment"

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Kouřil, Čeněk. "Úprava bělící technologie při výrobě buničiny z jednoletých rostlin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442846.

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Diplomová práce se zabývá bělícím procesem při výrobě papíru. Hlavním cílem práce je zhodnotit současný stav bělící technologie ve firmě OP Papírna, s.r.o. a navrhnout úpravu, která povede k větší efektivitě této technologie. K vyřešení zadání byla provedena rešerše technologických principů bělení a dále provedeny laboratorní experimenty s cílem najít vhodné řešení. Přínos experimentů byl podpořen technologickými výpočty. Výsledky experimentů ukázaly, že současný stav bělící technologie lze několika způsoby zefektivnit. Bylo ukázáno, že podané návrhy mají potenciál velkých ekonomických i chemi
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Ferrari, Wesley Fernando. "Eficácia de um agente dessensibilizante experimental: ensaio clínico duplocego, controlado e randomizado." Universidade Estadual do Oeste do Paraná, 2018. http://tede.unioeste.br/handle/tede/4142.

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Submitted by Edineia Teixeira (edineia.teixeira@unioeste.br) on 2019-03-12T21:37:08Z No. of bitstreams: 2 Wesley_Ferrari_2018.pdf: 5292494 bytes, checksum: 80e420551cea7ffdde2bfbfeff0d10eb (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made available in DSpace on 2019-03-12T21:37:08Z (GMT). No. of bitstreams: 2 Wesley_Ferrari_2018.pdf: 5292494 bytes, checksum: 80e420551cea7ffdde2bfbfeff0d10eb (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2018-03-23<br>Aims: Evaluate the efficacy of dental bleaching and the t
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Silva, Úrsula Aparecida Escalero. "Influência do modelo experimental e do substrato nas alterações do esmalte clareado /." Araçatuba, 2017. http://hdl.handle.net/11449/151242.

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Orientador: André Luiz Fraga Briso<br>Banca: Ticiane Cestari Fagundes Tozzi<br>Banca: Carlos Eduardo Francci<br>Resumo: Objetivo: O presente estudo teve como objetivo analisar a influência do modelo experimental e substrato nas alterações do esmalte dental decorrentes do tratamento clareador de consultório em diferentes tempos de análise. Materiais e Métodos: Um total de 140 discos contendo esmalte e dentina foram confeccionados, a dentina planificada e o esmalte polido e submetido ao teste de microdureza de superfície em KHN (MS) para padronização e seleção inicial dos espécimes (n= 80). A se
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Vieira, Henrique Heringer 1987. "Influência do tipo de matriz e de um antioxidante experimental na resistência de união entre compósito e estruturas dentais através de microcisalhamento." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289481.

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Orientadores: José Roberto Lovadino, Débora Alves Nunes Leite Lima<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba<br>Made available in DSpace on 2018-08-22T14:49:11Z (GMT). No. of bitstreams: 1 Vieira_HenriqueHeringer_M.pdf: 2738449 bytes, checksum: 3bff0e9a86d6f5de5afbaa869d38e4a8 (MD5) Previous issue date: 2013<br>Resumo: Este trabalho divido em dois estudos teve como objetivos: 1 - Avaliar através de microcisalhamento a influência de três tipos de matrizes para confecção dos cilindros de resina composta sobre a resistência de união a
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Silva, Úrsula Aparecida Escalero [UNESP]. "Influência do modelo experimental e do substrato nas alterações do esmalte clareado." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/151242.

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Submitted by Úrsula Aparecida Escalero Silva null (ursula_escalero@yahoo.com.br) on 2017-08-02T18:57:18Z No. of bitstreams: 1 Dissertação_Úrsula Ap.Escalero Silva.doc: 13796352 bytes, checksum: e2a920646451b977374b362f4919a2fb (MD5)<br>Rejected by LUIZA DE MENEZES ROMANETTO (luizamenezes@reitoria.unesp.br), reason: Solicitamos que realize uma nova submissão seguindo as orientações abaixo: A versão final da dissertação/tese deve ser submetida no formato PDF (Portable Document Format). O arquivo PDF não deve estar protegido e a dissertação/tese deve estar em um único arquivo, inclusive o
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Banha, Thomas Nei Soto. "Experimental effects of multiple thermal stress events on chlorophyll-a content and size of Cassiopea andromeda and the role of heterotrophic feeding and Symbiodinium concentration." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/21/21134/tde-11022019-143521/.

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Bleaching is defined as the disruption of the symbiotic relationship between the host and Symbiodinium dinoflagellates, resulting in the exposure of the calcium carbonate skeleton. This phenomenon has been mostly linked to seawater temperature elevation. Bleaching events are becoming more intense and frequent, harming coral reefs around the world and affecting almost 100% of the community in some places. Therefore, it is important to understand if the effects of these recurrent stress events are cumulative on this photosymbiotic relationship. We experimentally tested how the Symbiodinium-assoc
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Trinh, Thanh. "Contribution à l'étude de la délignification et du blanchiment des pâtes cellulosiques par le bioxyde de chlore ou l'eau oxygénée dans un réacteur agité à alimentation programmée." Grenoble INPG, 1993. http://www.theses.fr/1993INPG0100.

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Cette these est consacree a l'etude de la delignification des pates cellulosiques par le bioxyde de chlore ou l'eau oxygenee dans le but d'ameliorer la selectivite de ces reactifs et de minimiser les rejets toxiques. L'etude comparative de la delignification et du blanchiment par le bioxyde de chlore montre que la phase d constituee des sous-phases: introduction progressive de clo#2 en milieu alcalin (ph10) et reaction en milieu acide (ph4,7) du chlorite precedemment forme est le meilleur procede. La cinetique de la reaction limitante de ce procede (sous-phase acide, reaction du chlorite) est
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Chirat, Christine. "Effet de l'ozone sur les hydrates de carbone et la lignine des pâtes à papier chimiques : application au blanchiment." Grenoble INPG, 1994. http://www.theses.fr/1994INPG0049.

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L'objectif de ce travail est d'analyser les effets de l'ozone sur les hydrates de carbone et la lignine contenus dans les pates a papier chimiques, et en particulier dans les pates kraft de résineux, ainsi que les conséquences de ces effets sur la qualité des pates blanchies a l'ozone, et sur les résultats obtenus dans des stades de blanchiment ultérieurs. Apres un premier chapitre consacre a une revue de la littérature sur l'ozone en milieu aqueux, sur son action sur les hydrates de carbone et la lignine, ainsi que sur son utilisation dans le blanchiment des pates a papier chimiques, un deuxi
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Book chapters on the topic "Bleaching experiment"

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Matonoha, Ctirad, Štěpán Papáček, and Stefan Kindermann. "Disc vs. Annulus: On the Bleaching Pattern Optimization for FRAP Experiments." In Lecture Notes in Computer Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97136-0_12.

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Bolognesi, Alessio, Andrzej Sliwa-Gonzalez, Rupali Prasad, and Yves Barral. "Fluorescence Recovery After Photo-Bleaching (FRAP) and Fluorescence Loss in Photo-Bleaching (FLIP) Experiments to Study Protein Dynamics During Budding Yeast Cell Division." In Methods in Molecular Biology. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-3145-3_3.

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Solayan, Arun. "Biomonitoring of Coral Bleaching - A Glimpse on Biomarkers for the Early Detection of Oxidative Damages in Corals." In Invertebrates - Experimental Models in Toxicity Screening. InTech, 2016. http://dx.doi.org/10.5772/61831.

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Conference papers on the topic "Bleaching experiment"

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Losada-Barreiro, Sonia, Carlos Bravo-Díaz, Ángeles Peña-Gallego, Ricardo A. Mosquera, and Ana M. Graña. "A VISUAL THINKING, EVIDENCE-BASED, KINETIC LABORATORY EXPERIMENT: DETERMINING THE RATE LAW FOR THE BLEACHING OF CRYSTAL VIOLET DYE BY HYDROXIDE IONS." In 12th International Conference on Education and New Learning Technologies. IATED, 2020. http://dx.doi.org/10.21125/edulearn.2020.0896.

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Shabany, Younes, and Eric P. Rose. "A PCM-Filled Heat Sink for an LED-Based Dental Device." In ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33089.

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A new heat sink has been designed that increases the run time of a cavity-filling resin-curing or teeth-bleaching dental device with light emitting diode. The heat sink is a hollowed copper object that is filled with a phase change material. Computational simulations and experimental measurements are presented that show the heat sink with phase change material increases the run time of the device beyond the minimum requirement of six minutes.
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