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Relevant bibliographies by topics / Water modification

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Academic literature on the topic 'Water modification'

Author: Grafiati

Published: 4 June 2025

Last updated: 23 June 2025

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Journal articles on the topic "Water modification"

1

Lédion, J., S. Mebrouk, C. Seznec, and H. Jullien. "Modification du pouvoir entartrant de l'eau par chauffage micro-ondes." Journal européen d’hydrologie 30, no. 1 (1999): 13–33. http://dx.doi.org/10.1051/water/19993001013.

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Moeller, Hanne B., Emma T. B. Olesen, and Robert A. Fenton. "Regulation of the water channel aquaporin-2 by posttranslational modification." American Journal of Physiology-Renal Physiology 300, no. 5 (2011): F1062—F1073. http://dx.doi.org/10.1152/ajprenal.00721.2010.

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The cellular functions of many eukaryotic membrane proteins, including the vasopressin-regulated water channel aquaporin-2 (AQP2), are regulated by posttranslational modifications. In this article, we discuss the experimental discoveries that have advanced our understanding of how posttranslational modifications affect AQP2 function, especially as they relate to the role of AQP2 in the kidney. We review the most recent data demonstrating that glycosylation and, in particular, phosphorylation and ubiquitination are mechanisms that regulate AQP2 activity, subcellular sorting and distribution, degradation, and protein interactions. From a clinical perspective, posttranslational modification resulting in protein misrouting or degradation may explain certain forms of nephrogenic diabetes insipidus. In addition to providing major insight into the function and dynamics of renal AQP2 regulation, the analysis of AQP2 posttranslational modification may provide general clues as to the role of posttranslational modification for regulation of other membrane proteins.

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Ringman, Rebecka, Greeley Beck, and Annica Pilgård. "The Importance of Moisture for Brown Rot Degradation of Modified Wood: A Critical Discussion." Forests 10, no. 6 (2019): 522. http://dx.doi.org/10.3390/f10060522.

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The effect of wood modification on wood-water interactions in modified wood is poorly understood, even though water is a critical factor in fungal wood degradation. A previous review suggested that decay resistance in modified wood is caused by a reduced wood moisture content (MC) that inhibits the diffusion of oxidative fungal metabolites. It has been reported that a MC below 23%–25% will protect wood from decay, which correlates with the weight percent gain (WPG) level seen to inhibit decay in modified wood for several different kinds of wood modifications. In this review, the focus is on the role of water in brown rot decay of chemically and thermally modified wood. The study synthesizes recent advances in the inhibition of decay and the effects of wood modification on the MC and moisture relationships in modified wood. We discuss three potential mechanisms for diffusion inhibition in modified wood: (i) nanopore blocking; (ii) capillary condensation in nanopores; and (iii) plasticization of hemicelluloses. The nanopore blocking theory works well with cell wall bulking and crosslinking modifications, but it seems less applicable to thermal modification, which may increase nanoporosity. Preventing the formation of capillary water in nanopores also explains cell wall bulking modification well. However, the possibility of increased nanoporosity in thermally modified wood and increased wood-water surface tension for 1.3-dimethylol-4.5-dihydroxyethyleneurea (DMDHEU) modification complicate the interpretation of this theory for these modifications. Inhibition of hemicellulose plasticization fits well with diffusion prevention in acetylated, DMDHEU and thermally modified wood, but plasticity in furfurylated wood may be increased. We also point out that the different mechanisms are not mutually exclusive, and it may be the case that they all play some role to varying degrees for each modification. Furthermore, we highlight recent work which shows that brown rot fungi will eventually degrade modified wood materials, even at high treatment levels. The herein reviewed literature suggests that the modification itself may initially be degraded, followed by an increase in wood cell wall MC to a level where chemical transport is possible.

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Shi, Jingying, Xuefei Zhao, and Can Li. "Surface Passivation Engineering for Photoelectrochemical Water Splitting." Catalysts 13, no. 2 (2023): 217. http://dx.doi.org/10.3390/catal13020217.

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Surface passivation engineering is an imperative way to improve photoelectrode performance for photoelectrochemical (PEC) water splitting. To the best of our knowledge, it has never been systematically reviewed in a feature article. In this review, we summarize various passivation materials and their preparation, characterizations by PEC measurements and some related spectral technologies. We highlight the features of the passivation effect that separate it from other modifications, such as cocatalyst decoration, and we demonstrate significant progress in combining surface passivation engineering with other interfacial modification strategies for the rational design of photoelectrodes. Ideas for future research on surface passivation modification for improving the performance of photoelectrodes are also proposed.

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Wan, Xiaokang, Fujun Niu, Jinzhan Su, and Liejin Guo. "Enhanced photoelectrochemical water oxidation of bismuth vanadate via a combined strategy of W doping and surface RGO modification." Physical Chemistry Chemical Physics 18, no. 46 (2016): 31803–10. http://dx.doi.org/10.1039/c6cp06233d.

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Budiarti, Gita Indah, Lukhi Mulia Shitophyta, Ndaru Okvitarini, Vinna Fajarwaty, and Ayu Damayanti. "Modification blanching process of potato flour using hydrogen rich water." Reaktor 20, no. 4 (2020): 161–65. http://dx.doi.org/10.14710/reaktor.20.4.161-165.

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The chemical composition of potatoes includes carbohydrates, protein, fiber, vitamins, and minerals. The composition of vitamins and minerals in potatoes is higher than wheat flour. Brownish color in potato flour has reduced consumer's interest, so it needs to be modified to improve the color and physicochemical properties of flour. Researchers are trying to modify the blanching process using hydrogen-rich water. Because hydrogen-rich water has antioxidants that can prevent the browning process (oxidation) potato flour, cheaper, safer, and healthier than chemical compounds. The purpose of this study was to optimize the blanching process for potato flour modification. Variation of the process used is soaking time at 30, 45, 60, 75, and 90 minutes. The optimal results of water content, ash content, reducing sugar content, protein, color, and swelling power were obtained at 75 minutes are 6.7%, 2.68%, 0.26%, 7.1%, 81.17, and 7 g/g. The quality of the modified potato flour met the physicochemical parameters of the flour according to the SNI standard for flour, except ash content. The quality of potato flour produced almost equals as the quality of wheat flour, so it needs to be considered as a substitute for wheat flour and is friendly for diabetics.Keywords: potatoes, modified flour, physicochemical properties, wheat

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Hakak, Aaliya Rafiq, Shubham Bankhele, and Rajat Malpani P. S. Bhamare. "Modification and Advancements in the Traditional Method of Water Purification." International Journal of Trend in Scientific Research and Development Volume-2, Issue-6 (2018): 1467–70. http://dx.doi.org/10.31142/ijtsrd14426.

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Վարդանյան, Վ․ Պ․, та Տ․ Գ․ Մկրտչյան. "ԵՐԵՎԱՆ ՔԱՂԱՔԻ ԵՐԿՐԱԲԱՆԱԿԱՆ ՄԻՋԱՎԱՅՐԻ ՓՈՓՈԽՈՒԹՅՈՒՆԸ ՏԵԽՆԱԾԻՆ ԳՈՐԾՈՆՆԵՐԻ ՀԵՏԵՎԱՆՔՈՎ". Proceedings of the YSU C: Geological and Geographical Sciences 45, № 2 (225) (2011): 27–32. http://dx.doi.org/10.46991/pysu:c/2011.45.2.027.

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In this article natural conditions of Yerevan City, modification of geological environment under the influence of technogenic impacts are considered. Development of industry and construction causes uncontrolled modifications of ground water regime, as well as activation of landslides, collapses, subsidence of soils. Zoning of territory of the city on modification of geological environment has been carried out. In greatly altered territories conducting of drainage channels, restoration of irrigative, water supply-sewer nets, meliorating of waste disposal territories are recommended.

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Liu, Lei, Ning Liu, Biaohua Chen, Chengna Dai, and Ning Wang. "Recent Modification Strategies of MoS2 towards Electrocatalytic Hydrogen Evolution." Catalysts 14, no. 2 (2024): 126. http://dx.doi.org/10.3390/catal14020126.

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Hydrogen production by the electrolysis of water is a green and efficient method, which is of great significance for achieving sustainable development. Molybdenum disulfide (MoS2) is a promising electrocatalyst for hydrogen evolution reaction (HER) due to its high electrochemical activity, low cost, and abundant reserves. In comparison to the noble metal Pt, MoS2 has poorer hydrogen evolution performance in water electrolysis. Therefore, further modifications of MoS2 need to be developed aiming at improving its catalytic performance. The present work summarizes the modification strategies that have been developed in the past three years on hydrogen evolution from water electrolysis by utilizing MoS2 as the electrocatalyst and following the two aspects of internal and external modifications. The former includes the strategies of interlayer spacing, sulfur vacancy, phase transition, and element doping, while the latter includes the heterostructure and conductive substrate. If the current gap in this paper’s focus on modification strategies for electrocatalytic hydrogen evolution in water electrolysis is addressed, MoS2 will perform best in acidic or alkaline media. In addition to that, the present work also discusses the challenges and future development directions of MoS2 catalysts.

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Najib, Muchammad Ilham, Felicia Hestiawan, Amelia Pratiwi, and Lintang Bagas Pangayom. "Minimizing Process Water and Energy Consumption in Styrene Production by Ethylbenzene Dehydrogenation." Journal of Chemical Engineering Research Progress 1, no. 2 (2024): 132–41. https://doi.org/10.9767/jcerp.20272.

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Styrene is a crucial unsaturated aromatic monomer with a wide range of industrial applications. Styrene production faces several problems where the water supply and energy usage are keep increasing. Process modifications were implemented to minimize process water and to optimize the energy consumption. The modification uses Aspen HYSYS simulation by replacing coolers and heaters with heat exchanger and implementing water recycling system. Aspen HYSYS simulations show these changes reduce water usage by 89.8% and significantly decrease energy consumption up to 54.69%. This modification shows the water and energy usage have been significantly reduced than the basic process. Copyright © 2024 by Authors, Published by Universitas Diponegoro and BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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Dissertations / Theses on the topic "Water modification"

1

Jullion, LoiÌ†c. "Water mass modification in the southwestern Atlantic." Thesis, University of East Anglia, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.446168.

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Moran, Paul Aaron. "Modification of a Biosand Water Filter for Household Treatment of High Turbidity Water." Digital WPI, 2010. https://digitalcommons.wpi.edu/etd-theses/752.

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One billion of the poorest people in the world today do not have access to improved drinking water. Without treatment, fecal contamination results in an overwhelming disease burden. A long term best practice solution will take decades to implement. In the meantime, approximately 5 million children under five die each year from gastrointestinal diseases. This tragedy can be alleviated by household water treatment. Household Water Treatment and safe Storage systems (HWTS) provide an interim solution. While many low cost and simple technologies exist, none of them are effective against high suspended solids concentrations (>50 NTU). Previous short-term field research by others has considered modifying a BioSand water Filter (BSF), to include pretreatment through an upper sand layer in order to extend the run cycle of the primary filter, enabling complete ripening to occur. In this research program, one control and twelve configurations of modified filters were setup in the laboratory. Water was chemically conditioned to provide worst case scenario treatment by adjusting pH, TDS, and particle dispersion. Sample water was passed through each filter daily, and monitored for DO, turbidity, flow rate, and E. coli concentrations. The results indicate that pretreatment is not necessarily beneficial under all water quality conditions. Recommendations include a description of conditions under which the modification may be beneficial, and optimized pretreatment design criteria. Regardless of water quality conditions, it was found that changing the operational guidelines for filter use can significantly improve treatment efficiency, without complicating the filter design. Design guidelines for an unmodified filter coupled with operational guidelines are provided, in order to obtain sufficient quantities of the best possible water quality under high turbidity conditions. This will enable the BSF to be used in high turbidity conditions and still significantly improve the drinking water quality. It is hoped that this will decrease the disease burden and loss of life in many of the world's poorest communities.

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3

Brandon, Mark Alan. "Winter surface water mass modification in the Greenland Sea." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388764.

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Oztekin, Tekin. "Modification and evaluation of WEPP water table management model /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488196234908385.

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Gargiuli, Joseph Fernand. "Synthesis and modification of water-soluble hyperbranched poly(amidoamine)s." Thesis, Durham University, 2002. http://etheses.dur.ac.uk/3871/.

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The multi-step syntheses of two water-soluble AB(_2) monomers, N-acryloyl-1,2- diaminoethane hydrochloride and N-acryloyl-1,2-daminoethane, are reported. The melt polymerisation at 210 ºC for 4 hours of N-acryloyl-1,2-diaminoethane hydrochloride gave, by Michael additions of the terminal ammonium salts (B(_2) groups) of a monomer molecule or growing oligomer with the unreacted vinyl double bond (A group) of another monomer molecule or growing oligomer, hyperbranched macromolecules. High degrees of conversion, determined using (^1)H NMR spectroscopy, were obtained and a degree of branching, determined using (^15)N NMR spectroscopy, was found to be equal or close to 1. However, this method proved difficult to reproduce and the alternative aqueous solution polymerisation at 100 ºC for 10 days of this monomer was investigated. The use of ampoules closed with Teflon taps as reactors lead to polymers displaying random signs of free radical polymerisation and high degrees of conversion due to such side-reaction, whereas, the alternative use of sealed Carius tubes lead to lower DP materials displaying no significant signs of free radical side-reactions. The kinetic study of this polymerisation allowed the determination of the rate constant associated with the oligomer growth and the MALDI analysis of these polymers revealed an evolution with time of the oligomer molecular weight distribution with time in agreement with the theoretical prediction. This last study also revealed that at least 70% of the molecules were not cyclised. On the other hand, the aqueous solution polymerisation of the corresponding free base monomer, N-acryloyl-1,2- diaminoethane, at 100 ºC for 90 minutes lead to hyperbranched macromolecules with high DP values. The kinetic study did not allow a precise determination of the rate constant associated with the oligomer growth due to the high reactivity of the free terminal amino groups. The MALDI analysis of these polymer samples showed that the evolution with time of the oligomer molecular weight distribution did not follow the theoretical prediction and that these macromolecules were cyclised.

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Villanoy, Cesar Laurel. "Modification of the throughflow water properties in the Indonesian seas." Thesis, The University of Sydney, 1993. https://hdl.handle.net/2123/26591.

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Vertical mixing in the Indonesian Seas has been considered to be responsible for the apparent freshness of the throughﬂow when 'it enters the Indian Down. A three-dimensional primitive equation numerical model of the Indonesian Seas forced with a prescribed throughflow, transport consisting of North Pacific waters, is used to determine local dynamic processes which may modify the characteristics of the throughﬂow properties. The lack of long-term current measurements in the Indonesian Seas presents some difﬁculties in determining the certainty of the derived velocity ﬁelds. As an alternative, the model temperature and salinity fields are compared to observed hydrographic data which has a relatively better coverage throughout the Indonesian Seas. A 15 Sv net transport through the Indonesian Seas is suggested based on the model’s more realistic reproduction of the hydrographic structure compared to a throughﬂow with a smaller magnitude. A pure North Pacific source for the throughﬂow is also not capable of producing the salinity structure in the Banda Sea as suggested by previous studies and the required amount of salt to ﬁt the model salinity structure with observations in the Banda Sea is estimated to be 3.3x10‘3 kg. Most of the throughﬂow transport occurs in western boundary ﬂows and is largely topographically controlled. The separation of an upper and lower layer circulation pattern is controlled by the depth of the sill in Makassar Strait. Vertical excursions in the vicinity of this sill seen level of the in model results coincide upper salinity maximum with regions where are found. Seasonal large horizontal gradients at the upwelling and longer residence times due to weaker flows in the Banda Sea results in a more effective mixing of the already weakened salinity structure of the waters from Makassar Strait/Flores Sea. Net heat and freshwater flux estimates also reveal signiﬁcant departures at 200 up to 100 m between the Pacific inflow and Indian outflow, suggesting the considerable redistribution of heat and salt in the Indonesian Seas.

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Grow, David E. "Fractal Modification of Tree-Ring Chronologies for Discharge Reconstructions." Arizona-Nevada Academy of Science, 2003. http://hdl.handle.net/10150/296606.

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Mawhinney, Heather Joan. "The improvement of effluent and water treatment by chemical floc modification." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343019.

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DALLE, CARBONARE Nicola. "Surface and interface modification of nanostructured hematite for solar water splitting." Doctoral thesis, Università degli studi di Ferrara, 2016. http://hdl.handle.net/11392/2403264.

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La possibilità di produrre idrogeno dalla scissione fotoindotta dell’acqua imitando ciò che la natura fa in ogni istante attraverso la fotosintesi, senza la necessità quindi di utilizzare alcuna fonte aggiuntiva di energia esterna, ha suscitato enorme interesse nella comunità scientifica, stimolata dal sogno di poter sviluppare una società che utilizzi idrogeno come fonte energetica primaria. Negli ultimi quattro decenni abbiamo assistito ad una straordinaria accelerazione nella razionalizzazione delle proprietà chimico-fisiche di materiali semiconduttori su cui si basano sistemi foto-elettrochimici adibiti alla conversione della luce solare in energia chimica e non in corrente elettrica da utilizzare istantaneamente, come nei comuni dispositivi fotovoltaici. Sin dai primi esperimenti di fotolisi, gli ossidi metallici sono stati i protagonisti di tali dispostivi, grazie alla loro eccellente stabilità in soluzioni acquose e alla possibilità di ottenere facilmente morfologie nano-strutturate che hanno garantito un notevole incremento in termini di assorbimento della radiazione luminosa e di capacità catalitiche nei confronti delle reazioni di riduzione ed ossidazione dell’acqua. Nel corso del mio Dottorato di Ricerca ho studiato le dinamiche di trasferimento di carica di elettrodi di ossido ferrico modificati con strutture sia amorfe che cristalline a base di ferro utilizzando, per la caratterizzazione, principalmente tecniche elettrochimiche sia in corrente continua che alternata, affiancate da spettroscopie di superficie e laser per una completa descrizione delle proprietà catalitiche. L’ossido ferrico è un materiale notoriamente impiegato per la foto-ossidazione dell’acqua, anche se la sua scarsa capacità di condurre e trasferire carica richiedono l’applicazione di un potenziale esterno. Utilizzando materiali non nocivi ed economici e semplici procedure in soluzione per la preparazione dei campioni e per le successive modifiche, siamo stati in grado di migliorare le prestazioni degli elettrodi sia in termini di foto-correnti generate che di stabilità, razionalizzando al contempo aspetti meccanicistici coinvolti nei processi di trasferimento di carica responsabili dell’ossidazione dell’acqua.<br>Inspired by nature and pursuing the concrete option of an economy based on hydrogen as a fuel for the everyday energetic consumption, scientists from different fields have based their research activity on the possibility to decompose water in its elementary constituents using only sunlight as external energy supply. In the last four decades there has been an exciting growth of knowledge about semiconductor physico chemical properties with regard to their leading role in photo-electrochemical (PEC) device able to convert light into chemical energy stored in the bond between hydrogen atoms, in a more elegant and powerful way with respect to conventional photovoltaic technology. Metal oxides have been from the beginning the most examined materials for PEC application due to their great stability in aqueous solution and to the easy access to various nanostructured morphologies that guarantee good optical and catalytic properties. During my PhD I have investigated the charge transfer dynamics in hematite (α-Fe2O3) thin film electrodes modified with iron oxide-based structures by using mainly both AC/DC electrochemical techniques in combination with laser photolysis and spectroscopy for the morphological characterization. Hematite is a well known semiconductor able to drive the bias-assisted water oxidation reaction at its surface, although important drawbacks related to its poor charge transport properties have limited the overall efficiency achieved so far. Using cheap and environmentally safe starting materials and solution-based procedure for all the preparative and modification steps, we have been able to efficiently modify mesoporous iron oxide films achieving excellent performances in term of photocurrent generation and stability. Mechanistic and kinetic insights about the effect of an iron-based water oxidation catalyst and of a thin underlayer are fundamental to a deeper understanding of the photogenerated carriers fate for a more useful design of these electrodes. Besides electrochemical performance, the possibility to obtain efficient devices with common and simple procedures is a key point for a future and concrete implementation of this technology for a large scale application.

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Bauer, Elizabeth Nanette. "MODIFICATION OF AN EXISTING BENTHAL MODEL FOR PAPER MILL WASTES." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275443.

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Books on the topic "Water modification"

1

D, Schroeder Edward, ed. Water quality: Characteristics, modeling, modification. Addison-Wesley, 1985.

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Kinser, Palmer. Modification of modeling criteria for application in the 2025 assessment of likelihood of harm to native vegetation. St. Johns River Water Management District, 2003.

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Vielberth, J. Fog dispersal by means of cold water spray: Thermodynamic model calculations and experimental test. Roderer Verlag, 1997.

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Hinton, Susan A. In-water restoration between Miller Sands and Pillar Rock Island, Columbia River: Environmental surveys, 1992-93. U.S. Dept. of Commerce, National Oceanic and Atmoospheric Administration, National Marine Fisheries Service, Northwest Fisheries Science Center, 1995.

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Hinton, Susan A. In-water restoration between Miller Sands and Pillar Rock Island, Columbia River: Environmental surveys, 1992-93. U.S. Dept. of Commerce, National Oceanic and Atmoospheric Administration, National Marine Fisheries Service, Northwest Fisheries Science Center, 1995.

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Smith, Jerrod. Flow contribution and water quality with depth in a test hole and public-supply wells: Implications for arsenic remediation through well modification, Norman, Oklahoma, 2003-2006. U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Laboratory, 2009.

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John, Goss-Custard, Rufino Rui, Luis Martínez Moisés Armando, Wetlands International, and Centre for Ecology and Hydrology (Great Britain), eds. Effect of habitat loss and change on waterbirds: Proceedings of 10th International Waterfowl Ecology Symposium, held at the University of Aveiro, Portugal, 18-21 September 1995. Stationery Office, 1997.

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Gain, W. Scott. The effects of flow-path modification on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modification on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Gain, W. Scott. The effects of flow-path modification on water-quality constituent retention in an urban stormwater detention pond and wetland system, Orlando, Florida. U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Book chapters on the topic "Water modification"

1

Orville, Harold D. "Weather Modification." In Handbook of Weather, Climate, and Water. John Wiley & Sons, Inc., 2004. http://dx.doi.org/10.1002/0471721603.ch23.

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Tayal, Akash, Vandita Pai, Robert M. Kelly, and Saad A. Khan. "Enzymatic Modification of Guar Solutions." In Water Soluble Polymers. Springer US, 2002. http://dx.doi.org/10.1007/0-306-46915-4_4.

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Szymczyk, Anthony, Bart van der Bruggen, and Mathias Ulbricht. "Surface Modification of Water Purification Membranes." In Surface Modification of Polymers. Wiley-VCH Verlag GmbH & Co. KGaA, 2019. http://dx.doi.org/10.1002/9783527819249.ch13.

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Mandal, Ajay, and Keka Ojha. "Profile Modification and Water Shutoff." In Enhanced Oil Recovery. CRC Press, 2023. http://dx.doi.org/10.1201/9781003098850-10.

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Hayes, Douglas G. "Lipid Modification in Water-in-Oil Microemulsions." In Enzymes in Lipid Modification. Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527606033.ch3.

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Milionis, Athanasios, Despina Fragouli, Ilker S. Bayer, and Athanassia Athanassiou. "Water Adhesion to Laser-Treated Surfaces." In Laser Surface Modification and Adhesion. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118831670.ch10.

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Haq, Tanveer ul, and Yousef Haik. "Structural Modification of Electrocatalysts for Enhanced Water Electrolysis." In Electrochemical Water Splitting. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9860-9_8.

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Nan, Luyi, Yuting Zhang, Min Liu, Yuxuan Zhu, and Liangyuan Zhao. "Modification of Biochar and Its Removal Mechanism of Phosphorus." In Water Resources Management and Water Pollution Control. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-53456-0_6.

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Bao, Shenxu. "Modification of Mineral Surfaces and Microstructures." In Adsorption at Natural Minerals/Water Interfaces. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54451-5_3.

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Träubel, Harro. "Modification of Physical Properties by Chemical Methods." In New Materials Permeable to Water Vapor. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-59978-1_23.

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Conference papers on the topic "Water modification"

1

Nikitina, Elizaveta A., Sergio T. A. Barragan, Victoria M. Kapralova, and Nikolay T. Sudar. "Modification of Dielectric Properties of Polyvinyl Alcohol Films Using Water-Soluble Additives." In 2024 International Conference on Electrical Engineering and Photonics (EExPolytech). IEEE, 2024. http://dx.doi.org/10.1109/eexpolytech62224.2024.10755673.

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Sanders, Christine, and Raymond Santucci. "Environmental Modification and Atmospheric Corrosion: Clear Water Rinsing, Covering, and Seawater Spray." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-17990.

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Abstract The F-22 program office is seeking to better characterize the impacts of clear water rinsing and handwashing in different operational conditions. The Naval Research Laboratory’s testing facility in Key West, FL was chosen to test multiple, modified conditions against the same ambient environment. The effect of select environmental parameters on the atmospheric corrosion of silver and steel was assessed. The effect of clear water rinsing (consistent with current preventative maintenance strategies) was evaluated by rinsing all samples with fresh water thrice/twice a week, once a week, or naught at all. The effect of covering was tested by sheltering a set of samples underneath a canvas shelter, consistent with aircraft covering currently used. The effect of natural seawater spray was tested on select samples by spraying them either once a day or twice a day. All conditions were compared against the ambient exposure condition of Key West. The steel mass loss was compared across all conditions. The accumulation of silver compounds was assessed with galvanostatic reduction. The role each parameter plays in the corrosion process is discussed. Specifically, findings will be used to quantify the short-term impacts from accelerated outdoor testing. This effort will serve to better inform aircraft maintenance.

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Kim, Young-Jin, Peter L. Andresen, Eric Moran, and Dennis Gray. "Modification of Surface Property for Controlling the 304 SS ECP in 288°C Water." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02515.

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Abstract The thermal spray coating technique was employed to produce insulated protective coatings (IPC) on 304 stainless steel (SS) surfaces. The electrochemical corrosion potential (ECP) response and flow-assisted corrosion (FAC) rate were then evaluated in high temperature water under various water chemistry conditions. The ECP results clearly demonstrate that the IPC layer created with a powder of yttria-stabilized zirconia (YSZ) restricted oxidant transport to the metal surface, and the ECP remained at &lt;-500 mVshe in 288°C water containing 700 - 900 ppb oxygen (O2) and no hydrogen (H2). In addition, no significant weight loss of the YSZ coating was measured after a 10 week immersion and the presence of noble metals on the YSZ coating layer did not alter the ECP behavior of the YSZ coated 304 SS.

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Richardson, J. C., A. T. Mikell, W. Bloom, and G. W. Alford. "Definition of Biofilm Consortia from a Groundwater Source on Various Metal Surfaces." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90102.

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Abstract A variety of metals and surface modification techniques were evaluated for corrosion and biofilm resistivity. Coupons contacted water in a parallel-flow manifold test bed. System water was obtained from a water well with a chronic history of fouling and corrosion. Several surface types resisted corrosion, however, no metal or surface modification prevented attachment of bacteria as revealed by epifluorescent microscopy or classical culturing techniques. Many of the bacterial surface isolates could not be identified using available technology. Different surfaces did result in modified bacterial consortia.

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Hantush, Mohamed M., Morihiro Harada, and Miguel A. Mariño. "Modification of Stream Flow Routing for Bank Storage." In Joint Conference on Water Resource Engineering and Water Resources Planning and Management 2000. American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40517(2000)394.

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Weaver, Jack M. "Skylink Modification Mitigates Station Water Intrusion." In 13th International Conference on Automated People Movers and Transit Systems. American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41193(424)4.

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Bloetscher, F., D. E. Meeroff, and C. K. Jones. "Reuse Experience Indicates a Modification in Golf Course Practices." In World Water and Environmental Resources Congress 2004. American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40737(2004)307.

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Packman, Aaron I., Scott Larned, David Plew, and Kay Vopel. "Modification of River Hydraulics by the Invasive Diatom Didymosphenia geminate." In World Environmental and Water Resources Congress 2008. American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40976(316)234.

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GALLUS, Izabela Joanna, Evren BOYRAZ, and Fatma YALCINKAYA. "SURFACE MODIFICATION OF NANOFIBROUS MEMBRANES FOR WATER PURIFICATION." In NANOCON 2021. TANGER Ltd., 2021. http://dx.doi.org/10.37904/nanocon.2021.4328.

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Alizadeh, M. T. Haji, M. T. Ghaneian, and A. Motedayen. "Efficiency evaluation of rainwater quality modification by utilizing mixing method with surface water and groundwater." In WATER RESOURCES MANAGEMENT 2011. WIT Press, 2011. http://dx.doi.org/10.2495/wrm110341.

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Reports on the topic "Water modification"

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Robertson, Eric Partridge, Charles Phillip Thomas, Norman Morrow, and (U of Wyoming). Improved Water Flooding through Injection Brine Modification. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/910973.

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Lyle A. Johnson Jr. INJECTION PROFILE MODIFICATION IN A HOT, DEEP MINNELUSA WATER INJECTION PROJECT. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/822150.

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McCaffrey, Kelly, Bradley Strickland, and Zachary Fratto. Florida Bay Water Quality Grab-Sampling Program Evaluation. South Florida Natural Resources Center, Everglades National Park, National Park Service, 2025. https://doi.org/10.36967/2310858.

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Everglades National Park (ENP) monitors water quality in Florida Bay in part through a water quality grab sampling program, whose objective at establishment was to monitor picocyanobacterial blooms using measurements of chlorophyll-a concentrations and related water quality parameters. This evaluation integrates data from the ENP program and data from a similar South Florida Water Management District (SFWMD) program. We assess aspects of the current sampling design, including the sampling sites, water quality parameters, and sampling frequency. We emphasize the importance of establishing measurable program objectives and thoroughly documenting the program design. Additionally, we provide an overview of sampling design components which may need modification to align with specific programmatic goals.

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Riser, Stephen C. Field Studies of Wintertime Water Mass Modification and Transport in the Sea of Okhotsk. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada627638.

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Kaminski, Michael, Carol Mertz, Nadia Kivenas, and Matthew Magnuson. Irreversible Wash Aid Additive for Cesium Mitigation: Phase II. Selection and/or Modification of COTS Field Portable Waste Water Systems. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1250458.

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Berkowitz, Jacob, Gabrielle David, and Kyle Gordon. Technical guide for the development, evaluation, and modification of wetland rapid assessment methods for the Corps Regulatory Program. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/46932.

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The US Army Corps of Engineers (Corps) Regulatory Program considers the loss (decrease) and gain (improvement) of wetland functions as part of Clean Water Act Section 404 permitting and compensatory mitigation decisions. To better inform this regulatory decision-making, the Regulatory program needs accurate, transparent, objective, and defensible approaches to assess the function and condition of wetlands. Additionally, wetland assessments must balance the need for objective decision-making with the concurrent need to make Regulatory program decisions in a timely manner. Consequently, it is often necessary to assess wetlands using rapidly attainable proxy measures of ecological function or condition by evaluating a suite of metrics that represent structural and compositional attributes of a wetland. In response, this document describes a set of guidelines to effectively develop, evaluate, and modify wetland assessment methods, specifically for the Corps Regulatory Program.

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Klausmeier. L51483 Evaluation of EPA Method 20 Ambient Correction Procedure. Pipeline Research Council International, Inc. (PRCI), 1985. http://dx.doi.org/10.55274/r0010652.

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Addresses the effects of the current EPA Method 20 correction factors on predicted NOx levels vs. actual observed NOx emissions based upon data from some 800 engine field test data sets. The report demonstrates that correction procedure to the 85 degrees F / 75 grains of water per pound of dry air standard introduces considerable over-prediction and presents a case for the elimination of the procedure or at a minimum a modification to permit regional correction factors. The data sets are displayed in Appendix of some 200 p.

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David, Gabrielle, D. Somerville, Julia McCarthy, et al. Technical guide for the development, evaluation, and modification of stream assessment methods for the Corps Regulatory Program. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42182.

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The U.S. Army Corps Regulatory Program considers the loss (impacts) and gain (compensatory mitigation) of aquatic resource functions as part of Clean Water Act Section 404 permitting and compensatory mitigation decisions. To better inform this regulatory decision-making, the Regulatory Program needs transparent and objective approaches to assess the function and condition of aquatic resources, including streams. Therefore, the Regulatory Program needs function-based stream assessments (1) to characterize a stream’s condition or function, (2) to improve understanding of the impact of a proposed action on an aquatic resource, and/or (3) to inform the development of stream compensatory mitigation tools rooted in stream condition and/or function. A function-based stream assessment can provide regulatory decision makers with the resources to objectively consider alternatives, minimize impacts, assess unavoidable impacts, determine mitigation requirements, and monitor the success of mitigation projects. A multiagency National Committee on Stream Assessment (NCSA) convened to create these guidelines to inform the development of new methods and evaluation of both national-level and regional methods currently in use. The resulting guidelines present nine phases, including rationale and recommendations to facilitate work efforts. The NCSA hopes that this technical guide promotes transparency, technical defensibility, and consistent application of stream assessments in the Regulatory Program.

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Bennett, Oliver. Freshwater habitat restoration. Parliamentary Office of Science and Technology, 2024. http://dx.doi.org/10.58248/pn709.

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Freshwater habitats, such as rivers and wetlands, provide major benefits to society through services such as flood risk reduction and drinking water. However, many of these habitats are in a poor condition. They have been damaged by a range of human activities including physical modification and pollution. For example, an estimated 90% of wetlands have been lost over the last century. Restoration of freshwater habitats can be achieved by addressing the causes of degradation and by enhancing or extending habitats. There is good evidence on the benefits of some forms of restoration. For example, restoration can deliver effective flood defence and restore fish populations. However, certain restoration measures are less well-studied. There are numerous national and international targets for the restoration of freshwater habitats. These include a commitment to improving at least 75% of waters to close to their natural state as soon as practicable by 2042. However, some stakeholders believe that these commitments will not be met under current plans in England. There have been calls for various actions including: increased and long-term funding to deliver larger-scale projects changes to policy and legislation to deliver more joined-up decision making and to include small water bodies and headwaters further prevention of degradation, including better enforcement of existing legislation the removal of barriers to nature-based solutions Policy in this area is devolved. For England, the UK Government published a Plan for Water in 2023 that contained new actions to help improve the condition of freshwater habitats. The Office for Environmental Protection will publish an assessment of the Government’s approach in 2024.

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Burroughs, Jedadiah, Jason Weiss, and John Haddock. Influence of high volumes of silica fume on the rheological behavior of oil well cement pastes. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41288.

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Specialized classes of concrete, such as ultra-high-performance concrete, use volumes of silica fume in concrete that are higher than those in conventional concrete, resulting in increased water demand and mixing difficulty. This study considered the effects of eight different silica fumes in three dosages (10%, 20%, 30%) with three w/b (0.20, 0.30, 0.45) on rheological behavior as characterized by the Herschel-Bulkley model. Results indicated that the specific source of silica fume used, in addition to dosage and w/b, had a significant effect on the rheological behavior. As such, all silica fumes cannot be treated as equivalent or be directly substituted one for another without modification of the mixture proportion. The rheology of cement pastes is significantly affected by the physical properties of silica fume more so than any chemical effects.

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