Relevant bibliographies by topics / POFA

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'POFA'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "POFA"

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Shamsudin, Mohd Afdhal, Faizal Mustapha, Mohd Na’im Abdullah, and Mazli Mustapha. "Sustainable Aluminosilicate Coatings from Palm Oil Waste for Enhanced Thermal and Microstructure Properties." Materials 18, no. 4 (2025): 821. https://doi.org/10.3390/ma18040821.

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Geopolymers have emerged as promising materials for their superior thermal and mechanical properties, offering sustainable alternatives to conventional coatings. This study investigates the potential of Palm Oil Fuel Ash (POFA) as a raw material for fire-resistant geopolymer coatings. Through the optimization of POFA-to-alkaline activator (AA) ratios, NaOH concentrations, and curing temperatures, POFA-based coatings were synthesized and applied to mild steel substrates. Fire resistance testing revealed that the optimal formulation (0.35 POFA ratio, 8 M NaOH concentration, and curing at 65 °C)
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Safiuddin, Md, Md Abdus Salam, and Mohd Zamin Jumaat. "UTILIZATION OF PALM OIL FUEL ASH IN CONCRETE: A REVIEW / PALMI ALIEJAUS KURO PELENŲ NAUDOJIMAS BETONE. APŽVALGA." Journal of Civil Engineering and Management 17, no. 2 (2011): 234–47. http://dx.doi.org/10.3846/13923730.2011.574450.

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Uncontrolled dumping of palm oil fuel ash (POFA) not only occupies valuable land but also creates environmental pollution and health hazard. These problems can be reduced to a large extent by using POFA in concrete. A number of research works have been carried out to investigate the potential of POFA for use as a supplementary cementing material in normal, high strength, high performance, and aerated concretes. This paper presents a review on the use of POFA in different types of concrete. It firstly discusses the physical and chemical properties of POFA. Then the emphasis has been given on th
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Olivia, Monita, Wulan Ramanda Putri, Steve Supit, Gunawan Wibisono, and Panca Setia Utama. "Compressive Strength and Porosity of POFA Blended Concrete Admixed with Micro Silica." E3S Web of Conferences 445 (2023): 01034. http://dx.doi.org/10.1051/e3sconf/202344501034.

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Blended Palm Oil Fuel Ash (POFA) concrete as an alternative sustainable material depends on the quality of POFA. Microsilica can improve the quality of blended POFA concrete; however, the optimum quantity must be determined. This study investigates the effect of micro silica content, POFA content, and concrete age of the blended POFA concrete admixed with silica fume. Portland Composite Cement concrete was the control mix with a target strength of 20 MPa. The blended POFA concrete contains 0%, 20%, and 40% POFA as cement replacement material using various microsilica contents (0, 5, 10, and 15
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Intharapat, Punyanich, Rattanawadi Nilcharn, and Aroon Kongnoo. "Utilization of Recovered Palm Oil Fuel Ash as a Filler for Epoxidized Natural Rubber Composite: Influence of Filler Loading on Curing, Mechanical and Morphological Properties." Advanced Materials Research 844 (November 2013): 251–54. http://dx.doi.org/10.4028/www.scientific.net/amr.844.251.

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Palm oil fuel ash (POFA) is used as a filler in epoxidized natural rubber containing 50 mole percent of epoxide groups (ENR-50). The potentiality of ENR-50 composite filled with POFA is investigated through the effect of different POFA loadings in a range of 0-60 phr on cure characteristics, mechanical properties and morphology. The chemical compositions and structure of POFA are also studied. It shows that POFA contains the major compositions of silicon dioxide or silica at 43.0 %wt and calcium carbonate at 20.3 %wt. The IR spectrum represents the important functional group of silanol. The cu
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Dwina, Dila Oktarise, Nurza Purwa Abiyoga, and Ade Nurdin. "Palm Oil Fuel Ash Fineness in Modifying CBR Characteristics of Peat Soil." Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil 12, no. 2 (2024): 202–10. http://dx.doi.org/10.33558/bentang.v12i2.9598.

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Palm Oil Fuel Ash (POFA) is a waste product from the palm oil industry that often causes environmental problems. Its potential as a pozzolan for soil stabilization has been proven; however, the low CaO content makes it an ineffective sole stabilization material. Some researchers suggest reducing the particle size of pozzolan materials to optimize stabilization. This research aims to evaluate the effectiveness of increasing POFA particle fineness in peat stabilization. The study uses samples stabilized with fine and coarse POFA at 30%, 35%, and 40% of the soil's dry weight. California Bearing R
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Roslee, Faiza, Nor Amani Filzah Mohd Kamil, Aeslina Abd Kadir, Ismallianto Isia, and Mohd Ikhmal Haqeem Hassan. "Potential of Ground and Unground Palm Oil Fuel Ash in Construction Material." International Journal of Engineering & Technology 7, no. 3.23 (2018): 49. http://dx.doi.org/10.14419/ijet.v7i3.23.17259.

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The uncontrolled bunches of palm oil fuel ash (POFA) leads environmental pollution and hazardous to the human. Besides, POFA can be classified as the high pozzolan matter. This feature attracts attention tremendous researchers to identify the usage of POFA to overcome the abundant issues. This paper is review about the reuse a POFA in a different method. The researcher found the potential by replaced the cement with POFA in construction material. In addition, findings shows that POFA can be use to reduce carbon content, loss of ignition and increased mineral oxide composition. Yet, POFA has go
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Altwair, Nurdeen M., M. A. Megat Johari, Syed Fuad Saiyid Hashim, and A. M. Zeyad. "Mechanical Properties of Engineered Cementitious Composite with Palm Oil Fuel Ash as a Supplementary Binder." Advanced Materials Research 626 (December 2012): 121–25. http://dx.doi.org/10.4028/www.scientific.net/amr.626.121.

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Palm oil fuel ash (POFA) was used to produce engineered cementitious composite (ECC) in this research where ECC mixtures containing different volume of POFA (up to 55% by weight) of cement, were prepared. Mechanical properties of the resulting ECC mixtures were assessed using the compression, flexural and uniaxial tensile tests. The findings of the study show that the use of POFA improves the mechanical properties of the ECCs. The ECC mix with 1.2 POFA/cement ratio achieved a compressive strength of 30 MPa at 28 days, which is within the normal range of concrete strength for many applications.
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Dasar, Amry, Dahlia Patah, Nur Okviyani, et al. "Produksi Batu Bata Tanah Liat Yang Ramah Lingkungan Menggunakan Palm Oil Fuel Ash (POFA)." JTT (Jurnal Teknologi Terpadu) 12, no. 1 (2024): 72–79. https://doi.org/10.32487/jtt.v12i1.2101.

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Abu cangkang sawit/Palm Oil Fuel Ash (POFA) digunakan untuk menggantikan tanah liat dalam jumlah yang berbeda yaitu 0%, 15%, 30% dan 45% terhadap berat semen dalam pembuatan batu bata. Tujuan dari penelitian ini adalah mempelajari sifat-sifat batu bata dan memperkenalkan inovasi pembuatan batu bata menggunakan POFA. Sifat-sifat batu bata menggunakan POFA dibandingkan dengan produk konvensional (batu bata kontrol/0%POFA) mengikuti standar minimum dari SNI 03-4164-1996 dan SNI-15-2094-2000. Penambahan jumlah limbah POFA 15-30% menggantikan tanah liat dapat menghasilkan batu bata yang memiliki pe
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Sofri, Liyana Ahmad, Mohd Zulham Affandi Mohd Zahid, Nur Fitriah Isa, et al. "Performance of Concrete by Using Palm Oil Fuel Ash (POFA) as a Cement Replacement Material." Applied Mechanics and Materials 815 (November 2015): 29–33. http://dx.doi.org/10.4028/www.scientific.net/amm.815.29.

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Palm Oil Fuel Ash (POFA) is one of the solid waste in Malaysia and had trouble with the ash removal. Therefore, the use of waste oil palm ash can overcome the problem of solid waste. POFA is a pozzolanic material and it can act as a replacement of cement (OPC) to produce concrete with higher strength and low cost. POFA quality will increase as the range made up to a medium level of fineness in the size of 50 microns. POFA used to replace OPC is 0%, 10%, 30% and 50% by weight percent of OPC. POFA concrete compressive strength will be tested after a curing process that concrete age of 7 days and
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Mansour, Mohammed A., Mohd Hanif Ismail, Abdullah Faisal Alshalif, Mohd Haziman Wan Ibrahim, and Norfaniza Mokhtar. "Drying Shrinkage and Heat of Hydration of Ternary Blended Concrete Incorporating Coal bottom Ash as Fine Aggregate Substitute." IOP Conference Series: Earth and Environmental Science 1453, no. 1 (2025): 012005. https://doi.org/10.1088/1755-1315/1453/1/012005.

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Abstract This study evaluated the effects of metakaolin (MK), palm oil fuel ash (POFA), along with coal bottom ash (CBA) as partial fine aggregate replacement on drying shrinkage and heat of hydration (HOH) of concrete. Optimal proportions of MK, hybrid blend of MK and POFA, and the best combination of CBA with MK and POFA were determined based on the compressive strength. The optimization process showed that 15% MK is the optimal blend, a hybrid blend of 15% MK and 20% POFA is the best blend, and 10% CBA is the optimal addition when mixed with the blend of MK and POFA. The findings indicated
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Dissertations / Theses on the topic "POFA"

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Tasnim, Sadia. "Modified Cement Paste using Micro-fine POFA under Ammonium Nitrate condition." Thesis, Curtin University, 2017. http://hdl.handle.net/20.500.11937/57089.

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The aim of this research is to study the performance of fine palm oil fuel ash (POFA) to control ammonium nitrate attack in cement paste. The mechanical, durability and micro-structural properties of the modified cement paste in room temperature and in ammonium nitrate condition was studied. Based on the test results, it was observed that, 20% POFA based paste provided better resistance in room temperature and in ammonium nitrate solution.
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Rybarkiewicz, Jacek. "Architektura pola kreacji teatralnej." Praca habilitacyjna, Wydawnictwo Politechniki Śląskiej, 2009. https://delibra.bg.polsl.pl/dlibra/docmetadata?showContent=true&id=46754.

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Sato, Juliana Alves Pereira. "Fabricação e caracterização de sistemas poliméricos nanoestruturados obtidos por meio do usa da técnica de eletrofiação." reponame:Repositório Institucional da UFABC, 2011.

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Přeček, Ondřej. "Ocenění obchodního závodu společnosti PODA a.s." Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-202123.

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The aim of this thesis is to estimate market value of company PODA a.s. as at 31. 12. 2014. In the process of valuation I apply common valuation methods consisting of financial and strategic analysis, prognosis of value drivers and financial plan. Taking into account the good prospects of the company I choose the DCF APV method to determine its value. The comparable transactions method is used as a supplemental valuation method.
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Fischer, Günter. "Das römische Pola : eine archäologische Stadtgeschichte /." München : Verl. der Bayerischen Akademie der Wissenschaften, 1996. http://catalogue.bnf.fr/ark:/12148/cb36695668k.

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Caichac, Hoppe Matías Patricio. "Poda mecanizada de vides para vinificación." Tesis, Universidad de Chile, 2017. http://repositorio.uchile.cl/handle/2250/152745.

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Memoria para optar al Título Profesional de Ingeniero Agrónomo<br>A partir de los documentos revisados para la elaboración de la presente monografía es posible señalar que la poda mecánica de vides surge hace más de 60 años, con el fin de reducir los costos de producción y aumentar la rentabilidad de viñedos. Si bien la poda mecánica permite podar vides a menor costo que la poda manual tradicional, lo hace en forma menos precisa. Esto se traduce en un aumento del número de yemas retenidas por planta, lo que activa una serie de respuestas fisiológicas que, de no ser abordadas, pueden complicar
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Cardoso, Denise Jeton. "Viabilidade técnica e econômica da poda em plantações de Pinus Taeda e Pinus Elliottii." reponame:Repositório Institucional da UFPR, 2013. http://hdl.handle.net/1884/24234.

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Brazil first began concerning about producing pine clearwood 30 years ago, even though it has been quite a common activity in other countries for several years. The wood originated from the first pruned pine plantations began to be harvested in recent years. However, the procedures used in the pruning operation vary from region to region, as well as the thinning regime and quality of the site, which directly affect the growth of the trees and the amount of knot-free wood produced at the end of the rotation. The expected price for this product is equal to or greater than 100% of the wood value
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Mikulec, Matěj. "POF - polymerová optická vlákna." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219454.

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This work focuses on polymer optical fiber (POF). It describes basic properties of polymer optical fibers, materials for production and methods of manufacturing processes. In following chapters are given individual fibers that vary different refractive indexes and diameter of fiber. Also there are analyse connectors which are used for joining. As very suitable solution for home installation seems to be using the system Optolock without connectors. In the work is also written several areas where it is possible to use the POF. It can break through in automotive industry, home networks or as a se
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Mogollon, Juan Valentin Mendoza. "Teoria de poda na família de Hénon." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/45/45132/tde-21022011-170822/.

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A teoria de poda é um caminho para dar uma descrição topologica de famílias de homeomorfismos de superfície. Nesta tese desenvolvemos uma teoria de poda diferenciável. Primeiro definimos discos de poda para o exemplo paradigmático da ferradura de Smale e provamos um teorema de poda diferenciável. Depois, com uma construção similar a derivados de Anosov, extendemos este teorema para difeomorfissmos hiperbólicos. Também aplicamos estas construções ao estudo da família de Hénon real e mostramos como se relaciona esta teoria com a família de Hénon complexa. Assim, provamos a Conjectura da Frente
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Azubel, Larissa Lauffer Reinhardt. "Revistas Veja e ?poca : um olhar complexo." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2012. http://tede2.pucrs.br/tede2/handle/tede/4516.

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Made available in DSpace on 2015-04-14T14:41:41Z (GMT). No. of bitstreams: 1 445031.pdf: 6702410 bytes, checksum: ac2480e83891faa9bb80316634cbeef6 (MD5) Previous issue date: 2012-12-10<br>This study will seek to understand and explain the production of meaning in magazine journalism, from a complex view to weekly magazines, Veja and ?poca. To investigate the spinning of significations, we need the unraveling of the weave. To this end, we selected the categories, a priori, that will guide our gaze: Figures of Language, from Domingos Paschoal Cegalla, and Stereotype, Myth, Culture, Power and s
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Books on the topic "POFA"

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Pünkösti, Árpád. Pofa be! Pallas Lap- és Könyvkiadó, 1988.

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Gábor, Pápai. Pofa vizit. Amana Bt, 1993.

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István, Eörsi. A szerző szeretné, ha a pofa feje és a csomó emlékeztetne egymásra: Hat dráma. Pátria, 1992.

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Istogina, Aleksandra. Pora, pora letetʹ--. Lira, 1999.

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Miśra, Pratīka. Pora pora ṭūṭana. Matyā Prakāśana, 1987.

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Aksenov, Vasiliĭ. Pora, moĭ drug, pora. ĖKSMO, 2012.

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Dalupota, Mahinda Kumāra. Poya: Dolos poya vistare. Ăs. Goḍagē saha Sahōdarayō, 2008.

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BISWAS, Guru. Poka. Modern Kalam, 1989.

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Daza, Juan Manuel. Poda. Milena Caserola, 2013.

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Indonesia. Direktorat Penyuluhan dan Motivasi., ed. Pola-pola usaha baru transmigrasi. Direktorat Penyuluhan dan Motivasi, Direktorat Jenderal Pengerahan dan Penempatan, Departemen Transmigrasi dan PPH R.I., 1997.

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Book chapters on the topic "POFA"

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Khalid, Norazlan, Mazidah Mukri, Faizah Kamarudin, Norbaya Sidek, and Mohd Fadzil Arshad. "Strength of Soft Soil Stabilized Using Lime-POFA Mixtures." In InCIEC 2013. Springer Singapore, 2014. http://dx.doi.org/10.1007/978-981-4585-02-6_43.

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Ramu, K., and R. Dayakar Babu. "Mitigating Problematic Expansive Soil by Using POFA, Lime and DRWPI." In Lecture Notes in Civil Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6564-3_8.

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Darsani, A., O. M. F. Marwah, N. Sa’ude, S. Adzila, M. Ibrahim, and S. Sharif. "Capability Behaviour of POFA Composite Filament for 3D Printing User." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9505-9_55.

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Imran, Nik Farhanim, Mohd Afiq Mohd Azham, Md Rasul Mohamad Nor, et al. "Concrete Performance Using Treated POFA as a Partial Replacement of Cement." In Charting the Sustainable Future of ASEAN in Science and Technology. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3434-8_35.

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Rahmat, Mohamad Nidzam, Norsalisma Ismail, and Mohammad Redzwan Raffe. "Strength Properties of Sustainable Palm Oil Fuel Ash (POFA)—Stabilized Landfill." In Proceedings of the Colloquium on Administrative Science and Technology. Springer Singapore, 2014. http://dx.doi.org/10.1007/978-981-4585-45-3_51.

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Baharom, Arif Fahmi, Mohd Afiq Mohd Fauzi, Muhd Norhasri Muhd Sidek, and Rabitah Handan. "Mechanical Properties of Concrete Containing POFA as Cement and Sand Replacement." In Green Infrastructure. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-7003-2_11.

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Newman, A., N. I. Halim, M. S. Muhd Norhasri, H. M. Saman, and A. Alisibramulisi. "Physical Properties of Activated Pofa Cement Paste for Repair and Retrofitting Purposes." In Green Infrastructure. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-6383-3_3.

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Ramu, K., R. Dayakar Babu, and K. Roja Latha. "Improving the Strength of Weak Marine Clays by Treating with POFA and DRWP Inclusions." In Lecture Notes in Civil Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6237-2_53.

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Varaprasad, L. N. V. N., and R. DayakarBabu. "Use of Nylon Fibers in Improving the Strength of Weak Laterite Soil Blended with Metakaolin and POFA." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-6727-6_32.

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Zamri, Nur Azzimah, Khairunisa Muthusamy, Mohd Hanafi Hashim, Hamizah Mokhtar, and Muhammad Nazrin Akmal Ahmad Zawawi. "Effect of Curing Regimes Towards Carbonation Resistance of Green Lightweight Aggregate Concrete Containing POFA as Partial Cement Replacement." In Springer Proceedings in Materials. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9848-7_43.

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Conference papers on the topic "POFA"

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Isa, Muhammad Nura, and Hanizam Awang. "Development of User Friendly Geopolymer Mortar Using Wood Ash Lye as Alkaline Activator." In 2024 10th International Conference on Architecture, Materials and Construction & 2024 5th International Conference on Building Science, Technology and Sustainability. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-me0x5u.

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Geopolymer concrete is an environmentally friendly substitute for traditional Portland cement-based concrete. In contrast to conventional concrete, which contributes to substantial carbon dioxide emissions through Portland cement production, geopolymer concrete utilizes aluminosilicate materials like fly ash, slag, or metakaolin as binders. This innovative approach aims to reduce the environmental impact of construction materials by offering a more sustainable alternative to conventional cement-based concrete. Unfortunately, the technology of geopolymer concrete was mainly confined to laborato
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Frewen, Thomas, Bob LaBarre, Mark Gurvich, and Sergey Shishkin. "Enhancement of Reliability-Based Probabilistic Solutions for Rotorcraft Structural Analysis and Optimization." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11538.

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This study addresses opportunities to dramatically increase computational efficiency of probabilistic solutions relevant to rotorcraft, i.e., focused on very low probabilities of failure (POF). Firstly, it is shown that down-selection of probabilistic solutions depends on problem definition, and a set of eight decision-based criteria is proposed. Next, limitations of typically used Monte Carlo simulation (MCS) and First- and Second-Order Reliability methods (FORM/SORM) are discussed in detail and demonstrated on numerical examples. Major efforts are focused on computational implementation of C
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Yamamoto, Tsuyoshi, Shigehiro Teramoto, Akihiro Tagaya, et al. "Organic Dye-Doped Polymer Optical Fiber Amplifier." In Organic Thin Films for Photonic Applications. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/otfa.1993.wb.4.

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There has been great interest in development of polymer optical fibers (POFs) for local area networks (LANs), datalinks, applications for automobile and medical applications etc., because of virtues, such as easy processing, handling, low cost and large diameter, enabling high efficiencies of fiber coupling and beam insertion.(1) In those days, highly developed Er3+-doped optical fiber amplifier can obtain much more functional applications. On the other hand, until now, POF system has no amplifying element, so applications of POFs are positioned in hopeless situation. Our proposals and experim
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Radhakrishnan, Akhila, S. Amal, Sona Riyas, R. Sreehari, and M. S. Riyana. "Experimental Study on Properties of Self Compacting Concrete Blended with Palm Oil Fuel Ash." In 2nd International Conference on Modern Trends in Engineering Technology and Management. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.160.16.

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Low flow-resistance concrete known as self-compacting concrete (SCC) can be poured and compacted by its own weight without the aid of external vibration, bleeding, or segregation. It is less tolerant to abrupt changes in aggregate moisture content, chemical admixtures, and water content. POFA (Palm oil fuel ash), as an OPC replacement, provides an opportunity to reduce carbon footprints, enhance cost-saving, and mitigate and reduce waste materials in landfills. POFA in cementations materials, as an additive or partial substitute, to cut down on cement consumption globally. POFA can be utilized
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Ahmad, Juhaizad, Abdul Samad Abdul Rahman, Mohd Ridzuan Mohd Ali, and Khif Farhan Abd. Rahman. "Peat soil treatment using POFA." In 2011 IEEE Colloquium on Humanities, Science and Engineering (CHUSER). IEEE, 2011. http://dx.doi.org/10.1109/chuser.2011.6163816.

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Velickov, Frantisek, and Gerhard Bauer. "POFA Plastic Optical Fiber Attenuator." In 2006 International Conference on Applied Electronics. IEEE, 2006. http://dx.doi.org/10.1109/ae.2006.4383004.

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Kachoyan, S., M. Zoveidavianpoor, and A. Khanifar. "Synergistic Enhancement of Partially Hydrolyzed Polyacrylamide and Treated Palm Oil Fuel Ash for Enhanced Oil Recovery." In SPE Symposium and Exhibition - Production Enhancement and Cost Optimisation. SPE, 2024. http://dx.doi.org/10.2118/220615-ms.

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Abstract Polymer flooding, a widely adopted technique for enhanced oil recovery, often relies on partially hydrolyzed polyacrylamide (HPAM). Despite its proven efficacy, HPAM faces challenges in hightemperature, high-salinity reservoirs. To address these limitations, this research explores the utilization of palm oil fuel ash (POFA), a byproduct generated from burning palm fibers and shells for electricity in mills. This sustainable additive aims to enhance the thermal stability, salt resistance, and mechanical robustness of HPAM. Laboratory experiments were conducted to evaluate the feasibili
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Jumien, Nur Latifah, Norhaliza Wahab, Nursakmawani Abdul Rafar, Faizal Pakir, Zeety Md Yusof, and Mohd Khaidir Abu Talib. "Stabilization of peat soil using Palm Oil Fuel ash (POFA)." In INTERNATIONAL CONFERENCE ON ADVANCES IN PURE & APPLIED MATHEMATICS (ICAPAM). AIP Publishing, 2025. https://doi.org/10.1063/5.0208758.

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Margaret Monday, Mary, Adaobi Stephanie Nwosi-Anele, and Fidelis Wopara. "Techno-Economic Analysis of Using Palm Oil Fuel Ash and Quartz for Plugging and Abandonment of Hydrocarbon Well." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/221634-ms.

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Abstract There are large number of wells that need to be permanently plugged and Abandoned (P&amp;A). As P&amp;A operations do not provide any return on investment, developing cost-effective operations methods is very important. Therefore, it is essential to use cost-effective plug-and-abandonment technology without compromising the operation's scope. In this work, Quartz and Palm oil fuel ash (POFA) was used to reduce the cost associated with plugging and abandonment of hydrocarbon wells by reducing the settling time and improving the well integrity by minimizing the shrinkage associated with
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Abuabdou, Salahaldin M. A., Ong Wei Teng, Mohammed J. K. Bashir, Ng Choon Aun, and Sumathi Sethupathi. "Adsorptive treatment of stabilized landfill leachate using activated palm oil fuel ash (POFA)." In INTERNATIONAL SYMPOSIUM ON GREEN AND SUSTAINABLE TECHNOLOGY (ISGST2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5126537.

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Reports on the topic "POFA"

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Tavan, Mahya. Perubahan pola makan membantu planet ini. Edited by Ria Ernunsari. Monash University, 2024. http://dx.doi.org/10.54377/1dcd-19e3.

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Wassmann, Bianca. Menggugurkan lima mitos tentang pola makan ramah lingkungan. Edited by Ria Ernunsari. Monash University, 2024. http://dx.doi.org/10.54377/e07d-fe77.

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Sultanbawa, Yasmina. Pangan lokal yang unik memperkaya keragaman pola makan kita. Edited by Ria Ernunsari. Monash University, 2024. http://dx.doi.org/10.54377/d32c-a82b.

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Jaramillo Noreña, Jorge Eliecer, Rommel Igor León Pacheco, Andrea Onelia Rodríguez Roa, and Edwin Andrés Villagrán Munar. Prácticas culturales para la producción de hortalizas en condiciones protegidas. Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2021. http://dx.doi.org/10.21930/agrosavia.video.2021.8.

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Las prácticas mas importantes en el manejo de hortalizas varían dependiendo del tipo de especies, entre las que se destacan: Deschupones, poda de hojas bajeras, poda de formación, podas de mantenimiento, poda terminal, tutorado y amarre.
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Ferguson, James. PR676-233801-R03 Circumferential Crack Hazard POF Analysis Process. Pipeline Research Council International, Inc. (PRCI), 2025. https://doi.org/10.55274/r0000140.

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Pipelines that traverse areas of active ground movement may be subject to Tensile Strain Demand (TSD) due to soil-pipe interaction. Independently, the pipe may have locations with reduced Tensile Strain Capacity (TSC) stemming from construction practices or due to pre-existing pipe wall defects, girth weld anomalies, or Circumferential Stress Corrosion Cracking (CSCC). The confluence of elevated TSD and reduced TSC presents a susceptibility to Loss of Containment (LOC) due to circumferential cracking. This study provides a methodology to identify segments and sites with circumferential crackin
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Lave, Matthew Samuel. Albedo and Diffuse POA Measurements to Evaluate Transposition Model Uncertainty. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1529054.

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Barragán Hernández, Wilson Andrés, Christian Thomas Carvajal Bazurto, Danilo Portilla Pinzón, and Sara Isabel Upegui Gómez. Estrategias de manejo y mantenimiento : Manejo agronómico de especies leñosas. Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2022. http://dx.doi.org/10.21930/agrosavia.infografia.2022.38.

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Ardoin, Caleb Elie. Intraspecific Hybridization of Poa bulbosa L. for Use as a Perennial Groundcover. Iowa State University, 2022. http://dx.doi.org/10.31274/cc-20240624-923.

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Ferrer de Arréllaga, Renée. Contemporary Paraguayan Narrative: Two Currents. Inter-American Development Bank, 1994. http://dx.doi.org/10.18235/0007909.

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Marco, Aurora. MULLERES E MEMORIA HISTÓRICA. Consello da Cultura Galega, 2008. http://dx.doi.org/10.17075/doc.2008.82907.

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Elaborado con motivo da aprobación da Lei 52/2007, de 26 de decembro, pola que se recoñecen e amplían dereitos e se establecen medidas en favor de quen padeceron persecución ou violencia durante a guerra civil e a ditadura
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