Relevant bibliographies by topics / Boranes – Absorption et adsorption

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Academic literature on the topic 'Boranes – Absorption et adsorption'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Boranes – Absorption et adsorption"

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Kukulka, Wojciech, Krzysztof Cendrowski, Beata Michalkiewicz, and Ewa Mijowska. "Correction: MOF-5 derived carbon as material for CO2 adsorption." RSC Advances 9, no. 59 (2019): 34349. http://dx.doi.org/10.1039/c9ra90077b.

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Li, Yu, Chong Meng, Meng Wang, Bing Chuan Cheng, and Chang Zhi Zhou. "Regulation of the Absorption of Cu with Various of Pollutants in Sediment through Fractional Factorial Design." Advanced Materials Research 742 (August 2013): 363–66. http://dx.doi.org/10.4028/www.scientific.net/amr.742.363.

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The resolution IV fractional factorial design was used to study the adsorption regularity of Cu coexisted with various pollutions (Zn, Pb, Cd, Ni, atrazine, malathine, et al.) onto the sediment. The study found that the main effect and the second-order interaction effect of ten pollutions concentration had significant influence on the adsorption of Cu on the sediment. The concentration of Cu was the critical factor to the promotion of the absorption capacity of Cu in sediment, the second-order effect played the critical role in restraining the absorption of Cu. The main effect of Cd, and the s
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Sadeghi, A. A., A. Nikkhah, and P. Shawrang. "The effect of thermally activated natural zeolite on colostral IgGl, IgM and Aga absorption in newborn Holstein calves." Proceedings of the British Society of Animal Science 2005 (2005): 210. http://dx.doi.org/10.1017/s1752756200011212.

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Neonatal calves are born with no immunoglobulins (Igs) in the blood stream and rely on Ig from colostrum through passive immunity transfer. Unfortunately, transfer of passive immunity to neonatal calves is too often inadequate, resulting in excessive rates of morbidity and mortality. Natural zeolite is characterized by framework of linked tetra hydration enclosing open cavities in the form of channels, and cages with ion exchanger and adsorption capacity. In literature, there were reported that thermally activated natural zeolite (T-zeolite) could increase colostral IgG absorption and decrease
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Yang, Huawei, Tongyang Shi, and J. S. Bolton. "Granular activated carbon sound absorption predictions made using measured material parameters." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A26. http://dx.doi.org/10.1121/10.0026665.

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Granular activated carbon (GAC) is hierarchical porosity material that yields better in low frequency sound absorption performance compared with many traditional porous materials due to the sorption effect created by nanometer-scale pores within the particles. In 2017, a triple porosity model accounting for the sorption effect in the micropores was proposed by Venegas et al. In the proposed model, some of input parameters (i.e., mesopore size and micropore effective diffusion coefficient) were fitted by matching the model to measured the surface impedance of a GAC stack; however, some fitted v
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Cao, Weijie, Tomoki Uchiyama, Kentaro Yamamoto, et al. "Operando X-Ray Absorption Spectroscopic Study on Influence of Specific Adsorption of Sulfo Group in Perfluorosulfonic Acid Ionomer Towards ORR Activity of Pt/C Catalyst." ECS Meeting Abstracts MA2022-02, no. 42 (2022): 1559. http://dx.doi.org/10.1149/ma2022-02421559mtgabs.

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Polymer electrolyte fuel cells (PEFCs) are clean energy devices with polymer electrolytes and are expected to play an important role in the development of a global renewable energy system and a pure hydrogen energy society in the future. PEFCs have already been applied for small-scale energy systems such as fuel cell vehicles (FCVs). Pt-based catalysts are basically used due to the relatively inefficient reaction kinetics and catalyst degradation under strong acidic conditions during the oxygen reduction reaction (ORR). However, there are still many difficulties in realizing acceptable cost-ef
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Espinosa-Garza, Gerardo, Imelda de Jesús Loera-Hernández, and Edgardo Jorge Escalante Vázquez. "Elimination of Hg (II) in Water by Adsorption through Banana." Key Engineering Materials 931 (September 9, 2022): 139–49. http://dx.doi.org/10.4028/p-7t5808.

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Banana peel is a low-cost resource that can be used in a wide range of chemical and industrial processes. The novelty of this research is the use of dehydrated and sieved banana peel to remove mercury from water. The main objective of this research is to evaluate the capacity of the banana peel as an adsorbent capable of removing mercury from contaminated water. It has been shown to be an efficient, low-cost, and environmentally friendly process because banana peel is an environmental waste. To determine the ability of the banana peel to adsorb mercury, the following variables were considered:
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Motakef kazemi, Negar. "Zinc based metal–organic framework for nickel adsorption in water and wastewater samples by ultrasound assisted-dispersive-micro solid phase extraction coupled to electrothermal atomic absorption spectrometry." Analytical Methods in Environmental Chemistry Journal 3, no. 04 (2020): 5–16. http://dx.doi.org/10.24200/amecj.v3.i04.123.

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In this research, Zn2(BDC)2(DABCO) metal–organic framework (MOF) as a solid phase was used for separation and preconcentration toxic nickel ions (Ni) from water samples by ultrasound assisted-dispersive-micro solid phase extraction coupled to electrothermal atomic absorption spectrometry (USA-D-μ-SPE/ET-AAS). The MOF nanostructure was characterized by field emission-scanning electron microscope (FE-SEM) and transmission electron microscopey (TEM) for presentation of morphology and size of MOF synthesis. By procedure, 25 mg of Zn2(BDC)2(DABCO) as MOF adsorbent was added to 25 mL of water sample
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Doan, Huong, Ricardo Sgarbi, Quentin Labarde, and Marian Chatenet. "The Positive Effects of Carbon-Coating Layers on Protecting the Nanoparticle Towards Poisoning Ions or Gases." ECS Meeting Abstracts MA2023-02, no. 41 (2023): 2030. http://dx.doi.org/10.1149/ma2023-02412030mtgabs.

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Recently, the research that explores the positive effects of carbon-coating nanoparticles to fight the severe oxidation/corrosion in Alkaline fuel cell (AFC), Proton-exchange membrane fuel cell (PEMFC) or water electrolyzer is well-recognized, since the carbon layers can extend the catalyst’s durability towards hydrogen oxidation/evolution reactions (HOR, HER) and oxygen evolution/reduction reactions (OER, ORR). Especially for the reactions in alkaline pH, with the graphite coating, the Ni nanoparticles in both HOR and HER can resist passivation and hydride poisoning. [1,2] Similarly, in the s
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Rakhtshah, Jamshid. "Separation and determination of cadmium in water samples based on functionalized carbon nanotube by syringe filter membrane- micro solid-phase extraction." Analytical Methods in Environmental Chemistry Journal 4, no. 01 (2021): 5–15. http://dx.doi.org/10.24200/amecj.v4.i01.132.

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A simple and fast separation of cadmium (Cd) based on functionalized carbon nanotubes with 2,3-dimercapto-1-propanol (CNTs@DHSP) was achieved in water samples before a determination by atom trap flame atomic absorption spectrometry (AT-FAAS). In this study, Cd(II) ions were extracted by syringe filter membrane-micro solid phase extraction procedure(SFM-μ-SPE). Firstly, 20 mg of the CNTs@DHSP as solid-phase added to 20 mL of water sample in a syringe, then dispersed for 3 min after adjusting pH up to 7 and pass through SFM very slowly. After extraction, the Cd(II) ions were back-extracted from
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Kralin, Vyacheslav, Anton Orekhov, Roman Kamyshinsky, Yury Chesnokov, and Polina Demina. "Abstract P-35: Cryo-Electron Tomography of Protein Conjugated Upconverting Nanophosphors." International Journal of Biomedicine 11, Suppl_1 (2021): S27. http://dx.doi.org/10.21103/ijbm.11.suppl_1.p35.

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Background: Over the past decades, significant advances have been made in the field of creating nanobioreagents for solving modern medicine problems (Grebenik et al., JBO, 2013). However, the problem of their low accumulation rate in pathological tissue in vivo experiments still remains. First of all, it is associated with the adsorption of blood proteins on the surface of nanobioreagents and the protein layer formation, which significantly changes the surface properties, which leads to their rapid excretion by the reticuloendothelial system. In particular, it is possible to reduce the blood p
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Dissertations / Theses on the topic "Boranes – Absorption et adsorption"

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Poucin, Cyprien. "Borane adsorption on MgO nanoparticles for increased catalytic activity in the cycloaddition of CO2 on epoxides." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS142.pdf.

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La capture et la valorisation du dioxyde de carbone sont devenus des défis majeurs pour les décennies à venir. Les technologies de capture sont déjà suffisamment matures pour être mises en œuvre à l'échelle industrielle, mais les technologies de valorisation font encore défaut. Ce travail de thèse se concentre sur le développement de nouveaux catalyseurs pour la valorisation chimique du CO2. L'introduction bibliographique souligne le potentiel des oxydes alcalino-terreux pour la capture et la valorisation du CO2 en raison de leur capacité à former facilement des carbonates, ainsi que le dévelo
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Mohd, Ali. "Adsorption et électrosorption d'herbicides et de tensioactifs sur charbons actifs en grains." Pau, 1996. http://www.theses.fr/1996PAUU3028.

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Ce travail relatif a l'adsorption et l'electrosorption (adsorption sous potentiel impose) de polluants sur charbons actifs en grains comporte trois parties : la premiere partie a pour but d'etudier l'influence sur l'interaction adsorbat-adsorbant de la nature physique et chimique du charbon actif. Les resultats obtenus, par les methodes de titrage de boehm, de chromatographie gazeuse inverse et d'une combination de ces deux methodes, ont permis d'identifier separement l'effet sur les forces d'interaction de la porosite et des groupements fonctionnels. La deuxieme partie est consacree a l'etude
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Caja, Monique. "Adsorption du gaz naturel sur les charbons en conditions anhydres et saturées en eau : Etude des quantités adsorbées et du fractionnement isotopique." Aix-Marseille 2, 2000. http://www.theses.fr/2000AIX22019.

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Deyme, Michel. "Modification de la composition chimique superficielle de polymères : étude de l'adsorption du collagène aux interfaces air ou polymère/solutions aqueuses." Paris 11, 1989. http://www.theses.fr/1989PA114804.

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Mercury, Maud Chloé. "Etude de méthodes et moyens d'adsorption/désorption pour l'analyse en ligne de traces de dioxines/furannes à l'émission de sources fixes." Aix-Marseille 1, 2010. http://www.theses.fr/2010AIX11049.

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La gestion des déchets est un problème majeur de notre société de consommation. En 2008, la France a produit 868 millions de tonnes de déchets. Aujourd’hui, un des principaux moyens de valoriser et d’éliminer nos déchets ultimes est l’incinération. Cependant, depuis la découverte des « dioxines » issues des procédés de combustion, cette technique est devenue un sujet d’inquiétude. L’application de la réglementation fixant des seuils limites à l’émission a engendré une forte diminution des émissions des sources fixes. Toutefois, il apparaît important de connaître et maîtriser en « temps réel »
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Benaïssa, Houcine. "Adsorption de propane et propylène sur corps microporeux." Grenoble INPG, 1988. http://www.theses.fr/1988INPG0106.

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Prevision des equilibres d'adsorption de melanges gazeux a partir de la seule connaissance des equilibres des gaz purs. Etude de l'adsorption du melange propane-propylene sur la zeolite 13x et le charbon actif microporeux a 23 et 50**(o)c et de 0,2 a 101kpa
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Nanakassé, Sidiki. "Sur l'utilisation du gel de silice dans des machines frigorifiques à affinité : adsorption de l'eau et du méthanol." Dijon, 1986. http://www.theses.fr/1986DIJOS070.

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Etude théorique de l'évolution morphologique du gel de silice (Rhône-Poulenc, Prolabo) sous l'action combinée de la température et de la vapeur d'adsorbat (eau, méthanol). Application à la réfrigération. Le système gel de silice-adsorbat (eau, méthanol) est très efficace dans le cas des faibles différences de température entre la source froide et la source chaude, et la source froide et la température de l'évaporateur; mais il est très sensible aux écarts de température au niveau de l'adsorbeur. La faible vitesse d'adsorption entraine quelques difficultés à utiliser ce système pour la mise en
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Navarro, Pedro. "Etude du comportement électrochimique des électrodes à pâte de carbone : application à l'étude des espèces adsorbées sur solide non électroactif." Lyon 1, 1996. http://www.theses.fr/1996LYO10025.

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Ce travail a pour objectif l'etude electrochimique des electrodes a pate de carbone modifiees par l'introduction sur solide non electroactif de molecules organiques. La premiere partie est consacree a l'adsorption de molecules d'alizarine s et de pyrocatechol sur alumine. Les voltamperogrammes ont ete traces et les rendements de la reaction electrochimique ont ete evalues. Une relation lineaire entre la quantite d'electricite et la masse de molecules organiques presentes dans l'electrode a ete trouvee. Dans une seconde partie, nous decrivons l'etude des molecules organiques ayant des propriete
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Elayadi, Houda. "Comparaison physico-chimique et sites catalytiques entre les solides Au/CeO2 préparés par deux méthodes différentes : déposition-précipitation et imprégnation." Littoral, 2010. http://www.theses.fr/2010DUNK0269.

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Deux catalyseurs 4%Au/CeO2 ont été préparés par deux méthodes différentes : déposition-précipitation (DP) et imprégnation (Imp). L’analyse par DRX, MEB et MET a permis de mettre en évidence la présence des nanoparticules d’or dans le solide DP et des grosses particules d’or à côté de nanoparticules pour le catalyseur Imp. Dans la suite, les deux catalyseurs ont été testés dans trois réactions : oxydation totale du propène, oxydation de CO et combustion du noir de carbone. Dans les trois réactions, le catalyseur DP a représenté une meilleure activité comparée à celle du catalyseur Imp. Cette ac
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Mocho, Pierre. "Adsorption de composés organiques volatils sur charbon actif : régénération in situ du charbon par chauffage par induction électromagnétique." Pau, 1994. http://www.theses.fr/1994PAUU3015.

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La première partie de la thèse a pour but de caractériser les liens entre les composés organiques volatils adsorbés et le charbon actif. La thermogravimétrie a permis de déterminer les vitesses de désorption en fonction de la température ainsi que la température à laquelle la vitesse de désorption est maximale. Une étude statistique menée sur les résultats obtenus a permis de mettre en évidence l'influence prépondérante jouée par la réfraction molaire, le moment dipolaire et la masse molaire sur les paramètres précédents. Les énergies d'interactions mises en jeu sont déterminées par calorimétr
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Books on the topic "Boranes – Absorption et adsorption"

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Vandenberg, A. Modèle physique de l'infiltration, du drainage et du ruissellement dans des sols à couches multiples. s.n.], 1989.

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Westall, John C. The use of cationic surfactants to modify aquifer materials to reduce the mobility of hydrophobic organic compounds / John C. Westall ... [et al.]. U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, 1994.

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Westall, John C. The use of cationic surfactants to modify aquifer materials to reduce the mobility of hydrophobic organic compounds / John C. Westall ... [et al.]. U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, 1994.

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author, Thomas Sabu, MirMahaleh Moein MehdiPour author, Rafiei Saeedeh author, Maghsoodlou Shima author, and Afzali Arezo author, eds. Foundations of nanotechnology. Apple Academic Press Inc., 2014.

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International Institute of Refrigeration. Commission A3. Comparaison avec la cryogénie des procédés PSA et membranes pour la séparation des gaz industriels: Compte rendu de la réunion de la Commission A3 = Comparison between cryogenics and PSA and membrane processes for industrial gas separation : proceedings of the meeting of Commission A3, October 24-25, 1989. Institut international du froid, 1989.

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1934-, Kies Constance, American Chemical Society Meeting, and American Chemical Society. Division of Agricultural and Food Chemistry., eds. Nutritional bioavailability of calcium. American Chemical Society, 1985.

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W, Shalaby Shalaby, and Burg Karen J. L, eds. Absorbable biodegradable polymers: Contemporary topics. CRC Press, 2004.

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1947-, Ghebre-Sellassie Isaac, ed. Multiparticulate oral drug delivery. M. Dekker, 1994.

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Adsorption by carbons. Elsevier, 2008.

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Activated Carbon Adsorption. CRC, 2005.

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Conference papers on the topic "Boranes – Absorption et adsorption"

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Suciu, Claudiu Valentin. "Thermal Effects on Nano-Energy Absorption Systems (Nano-EAS)." In 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2008. http://dx.doi.org/10.1115/micronano2008-70039.

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Development of intelligent and ecological energy absorption systems (EAS) is important to various fields such as automotive (vehicle suspensions, bumpers, engine mounts), construction (protections against seismic and wind-induced vibrations), and defense (parachuted objects, armors). Usual EAS use composites, shape-memory alloys and foams. Recently, liquid adsorption/desorption in/from nanoporous solids was employed to develop high-performance nano-EAS. Energy loss is based on the well-known capillary phenomenon: external work must be done to spread a non-wetting liquid on a solid surface. Nan
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Wang, Duo, Hang Yuan, Shuijian Wei, and Xiao Li. "Hydration Impact on Pore Structure and Methane Adsorption in the Lower Silurian Longmaxi Shale of the Sichuan Basin." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0057.

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ABSTRACT: For shale gas reservoirs in the Sichuan Basin of China, renowned for low water saturation and complex pore structures rich in clay minerals, exhibit significant fluid imbibition post-hydraulic fracturing. This study delves into the Longmaxi Formation shale in the Sichuan Basin, China. Employing quantitative isothermal adsorption techniques, it elucidates pore structure alterations pre- and post-hydration. Quantification of the impact of fluid imbibition on different pore sizes was conducted. It was found that the influence on organic matter pores and macropores larger than 50 nm was
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Ishikawa, Yoshihiro, Koji Endo, Tadashi Narabayashi, Yasuhiro Kawahara, and Yuta Nakasaka. "Advanced Radioactive Material Removal System by Silver Zeolite (7) Evaluation of Noble Gas Adsorption Characteristics." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-134643.

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Abstract It is well known that it is difficult to remove noble gases generated during a nuclear accident. Currently, a noble gas holdup system made from activated carbon is being used. However, activated carbon has many shortcomings, such as flammability, non-moisture resistance, small absorption capacity et al. We have developed a new silver zeolite, “XeA,” as a noble gas adsorbent. The evaluation result shows that the holding time of this new absorbent for xenon is 480 minutes in dry air. This result is 80 times longer than that of activated carbon. Due to its excellent adsorption characteri
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Seniūnaitė, Jurgita, Rasa Vaiškūnaitė, and Kristina Bazienė. "Mathematical Modelling for Copper and Lead Adsorption on Coffee Grounds." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.007.

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Research studies on the adsorption kinetics are conducted in order to determine the absorption time of heavy metals on coffee grounds from liquid. The models of adsorption kinetics and adsorption diffusion are based on mathe-matical models (Cho et al. 2005). The adsorption kinetics can provide information on the mechanisms occurring be-tween adsorbates and adsorbents and give an understanding of the adsorption process. In the mathematical modelling of processes, Lagergren’s pseudo-first- and pseudo-second-order kinetics and the intra-particle diffusion models are usually applied. The mathemati
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Li, Shidong, and Ole Torsæter. "The Impact of Nanoparticles Adsorption and Transport on Wettability Alteration of Intermediate Wet Berea Sandstone." In SPE Middle East Unconventional Resources Conference and Exhibition. SPE, 2015. http://dx.doi.org/10.2118/spe-172943-ms.

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AbstractNanoparticles as part of nanotechnology have drawn the attention for its great potential of increasing oil recovery. From authors' previous studies (Li et al., 2013a), wettability alteration was proposed as one of the main Enhanced Oil Recovery (EOR) mechanisms for nanoparticles fluid, as adsorption of nanoparticles on pore walls leads to wettability alteration of reservoir. We conducted a series of wettability measurement experiments for aged intermediate-wet Berea sandstone, where the core plugs were treated by different concentration and type of nanoparticles fluid. Nanoparticles tr
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von Felten, A. "DETECTION OF LUPUS ANTICOAGULANTS BY THE “INSIDE-OUT MEMBRANE ADSORPTION TEST”: aPTT IS SHORTENED AFTER INCUBATION OF THE PLASMA WITH THE ADSORBENT." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644238.

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Prolongation of the aPTT in a mixture of a patient’s plasma with normal plasma is characteristic for the presence of a coagulation inhibitor. Since inhibitors directed against individual blood coagulation factors differ in their clinical significance from a lupus anticoagulant (LA), a fast and reliable distinction from each-other would be highly desirable. The test presented which is based on the absorption of antiphospholipid antibodies by use of a stable phospholipid adsorbent largely fullfills this demand.Method 1. Preparation of the LA-adsorbent (modified acc. to Steck et al., Science 168:
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Li, Jinwei, Shiyou Xu, and Yong Shi. "TiO2 Nanofibers Based Dye-Sensitized Solar Cells." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-13027.

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Dye sensitized solar cells (DSSCs) are promising photovoltaic devices as they offer advantages such as low cost and easy for fabrication et al. The key part of the original DSSC is a sintered film of nanoparticles which has a large surface area for the absorption of dyes. It has been reported that boundaries of nanoparticles diminish the efficiency of charge transport in the nanoparticle network, and lead to charge–carrier recombination. The one dimensional morphology of the nanofiber is believed to improve electron transport efficiency without sacrificing the high specific surface area for th
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Rahmatullah, Idham Kholid, Ahmed Abdulhamid Mahmoud, and Salaheldin Elkatatny. "Bentonite Prehydration and its Impact on Cementing Job Execution." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0490.

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ABSTRACT: This paper investigates the significance of bentonite prehydration in oil well cement formulations and its impact on cementing operations. Through laboratory experiments and field case studies, the study aims to enhance cement properties, improve slurry stability, and optimize wellbore integrity. Laboratory experiments analyzed various prehydration methods' effects on cement slurry properties like fluid loss, rheology, and compressive strength. Field case studies assessed real-world applications and practical benefits. Comparative analysis of prehydration techniques such as batch and
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