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Journal articles on the topic 'Scanning Electron miscroscopy'

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1

Cohen-Gould, Leona, and Thomas F. Robinson. "A Novel Method of Immuno-Gold Staining For TEM and HVEM." Proceedings, annual meeting, Electron Microscopy Society of America 43 (August 1985): 438–39. http://dx.doi.org/10.1017/s0424820100119016.

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Advances in Immunochemistry allow for labelling of various tissue components with highly specific antibodies, that in turn may be labelled with marker substances such as flourescein for light microscopy, or any of a number of electron-dense substances, such as ferritin and colloldal gold, for localization with scanning and transmission electron miscroscopy. The methods used for transmission electron microscopy are designed to minimize damage to antigenic sites while preserving ultrastructure. The methods include embedding of the tissue in resins with low-temperature curing characteristics such
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Badaruddin, Mohammad. "Na2SO4 Induced Hot Corrosion of Aluminized Low Carbon Steel at 700 °C." Applied Mechanics and Materials 493 (January 2014): 761–66. http://dx.doi.org/10.4028/www.scientific.net/amm.493.761.

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The oxidation kinetics of hot-dip aluminized AISI 1020 steel with Na2SO4 deposit was investigated at 700 °C for 49 h in static air. The scale morphologies were observed by means of metallograpy, scanning electron miscroscopy (SEM), electron dispersive spectroscopy (EDS) and X-ray analyses. The accelerated oxidation of aluminized steel was attributed to the formation of aluminum-sulphides which allowed the rapid diffusion of Fe ions in the aluminide layer to the formation of iron oxide. In addition, the Al-sulphides precipitations in the alumina scale causes the Al-depletion such that Al2O3 lay
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Rosa-Freitas, Maria Goreti, and Leonidas M. Deane. "The neotype of anopheles albitarsis (Diptera: culicidae)." Memórias do Instituto Oswaldo Cruz 84, no. 3 (1989): 289–302. http://dx.doi.org/10.1590/s0074-02761989000300002.

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Anopheles albitarsis neotype is described from specimens collected in Baradero, Argentina, in Shannon's trap, in horse and pig stables and on the progeny of engorded females. The description includes illustrations of adult female, male and female genitalias, scanning electron miscroscopy of the eggs and complete chaetotaxy of pupa and larva. The importance for electing a neotype is based on the realization that An. albitarsis is a complex of cryptic species. It is an attempt to provide typt-locality specimens with which other memebers of the group can be compared.
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Griffin, Brendan J. "Charge contrast imaging of material growth and defects in environmental scanning electron miscroscopy-linking electron emission and cathodoluminescence." Scanning 22, no. 4 (2006): 234–42. http://dx.doi.org/10.1002/sca.4950220402.

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Hardi, Amelina Dwika, Rahma Joni, Syukri Syukri, and Hermansyah Aziz. "Pembuatan Karbon Aktif dari Tandan Kosong Kelapa Sawit sebagai Elektroda Superkapasitor." Jurnal Fisika Unand 9, no. 4 (2021): 479–86. http://dx.doi.org/10.25077/jfu.9.4.479-486.2020.

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Pembuatan karbon aktif dari Tandan Kosong Kelapa Sawit (TKS) sebagai elektroda superkapasitor sudah diteliti. Karbon aktif dibuat dari proses karbonisasi dan aktivasi menggunakan Kalium Hidroksida (KOH). Karbon aktif TKS dikarbonisasi melalui pembakaran sampel pada suhu 400°C dan diaktivasi dengan KOH pada suhu 800°C dalam lingkungan gas nitrogen. Karbon aktif TKS dikarakterisasi menggunakan Energi Dispersive X-Ray (EDX), X-Ray Difraction (XRD), Scanning Electron Miscroscopy (SEM), Surface Area Analyzer (SAA). Komposisi unsur karbon yang dihasilkan dari karbon aktif TKS adalah sebesar 88,93 %w
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Pontes do Nascimento, Nilson Machado, Bárbara Ronara Machado de Lima, José Roberto Zamian, et al. "Synthesis of Mesoporous Zn1−xMxAl2O4 Substituted by Co2+ and Ni2+ Ions and Application in the Photodegradation of Rhodamine B." Materials 13, no. 9 (2020): 2150. http://dx.doi.org/10.3390/ma13092150.

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A new mesoporous Zn1-xMxAl2O4 photocatalyst was prepared using the metal-chitosan complexation method with different degrees of Zn2+ cation substitution with cobalt and nickel ions (M = Co2+ and Ni2+). Characterization using X-ray diffraction (XRD), Infrared absorption spectrometry (FTIR), energy dispersion spectroscopy (EDS), diffuse reflectance spectrometry (DRS), scanning electron miscoscopy (SEM), transmission electron miscroscopy (TEM), N2 adsorption- desorption isotherms using the Barrett-Joyner-Halenda (BJH) method, thermogravimetric analysis (TG) and differential thermal analysis (DTA)
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Apriani, Ida Nur Apriani, and Jarnuzi Gunlazuardi. "SINTESIS DAN KARAKTERISASI N DOPED TiO2 (N/TiO2) NANOTUBE SERTA UJI AKTIVITAS FOTOKATALISIS TERHADAP ZAT WARNA RHODAMIN B." Jurnal Teknologi dan Manajemen 19, no. 1 (2021): 27–32. http://dx.doi.org/10.52330/jtm.v19i1.21.

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Telah dilakukan sintesis fotokatalis N/TiO2 bermofologi nanotube dengan metode anodisasi menggunakan ammonium nitrat (NH4NO3) sebagai sumber dopan pada berbagai variasi konsentrasi (0,5M , 1M, 2M), dilanjutkan dengan kalisinasi pada suhu 4500C selama 2 jam untuk mendapatkan fasa kristal anatase. Karakterisasi dilakukan menggunakan Scanning Electron Miscroscopy (SEM), Fourier Transform Infra Red (FT-IR), X-ray Diffraction (XRD), dan DRS (Diffused Reflectant Spectrometry) UV-Vis. Pengujian Linear Sweep Voltametri dan Multi Pulse Anperiometri pada fotokatalis­ N/TiO2 telah berhasil diterapkan unt
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Marina, Dewi, and Widodo Budi Kurniawan. "Karakteristik Karbon Aktif Limbah Kulit Lada (Piper Nigrum L) sebagai Elektroda Superkapasitor." Jurnal Riset Fisika Indonesia 2, no. 1 (2021): 7–14. http://dx.doi.org/10.33019/jrfi.v2i1.3171.

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Pemenuhan kebutuhan energi dibutuhkan suatu piranti penyimpan yang memiliki kapasitansi spresifik yang tinggi yaitu superkapasitor. Superkapasitor adalah perangkat penyimpan muatan yang memiliki kapasitansi spesifik yang tinggi. Dalam penelitian ini telah dilakukan preparasi dan karakterisasi karbon aktif dari limbah kulit lada sebagai bahan elektroda superkapasitor. Karbon diaktivasi dengan variasi aktivator NaOH 1 M, 3 M dan 5 M dilanjutkan dengan pemanasan pada suhu 700˚ C selama 3 jam dengan dialiri gas nitrogen (N2). Karbon selanjutnya dikarakterisasi menggunakan Scanning Electron Miscros
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9

Almuchty, Alissa Putri. "PEMANFAATAN KULIT RAMBUTAN (Nephelium lappaceum) SEBAGAI ADSORBEN LOGAM TIMBAL (Pb)." Lingkar : Journal of Environmental Engineering 1, no. 1 (2020): 1–6. http://dx.doi.org/10.22373/ljee.v1i1.843.

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Present of lead as a heavy metal can be harmful to health. One possible method to reduce the presence of lead metal content is obtained through the adsorption process using adsorbent from rambutan rind. This study aimed to determine the effectiveness of activated charcoal from rambutan rind in absorbing lead metal with variations of difference adsorbent mass and stirring time. In this study, chemical activation was carried out by soaking the rambutan rind using 0.1 M NaOH solution for 24 hours. Adsorbents were characterized using Scanning Electron Miscroscopy (SEM) to determine the surface str
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Letícia Molteni Aguiar, Lilian Eiko Maekawa, Adriana Chung, and Maria Renata Giazzi Nassri. "Evaluation of dentin cleansing by a detergent derived from castor oil (Ricinus communis) used as root canal irrigant: a scanning electron miscroscopy study." RSBO 7, no. 4 (2011): 445–9. http://dx.doi.org/10.21726/rsbo.v7i4.1175.

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Introduction and objective: To evaluate, by scanning electron microscopy (SEM), the cleaning of root canal walls after biomechanical preparation and irrigation with castor oil (Endoquil®) and 0.5% sodium hypochlorite (NaOCl). Material and methods: Fifteen maxillary incisors were subjected to standardized root canal instrumentation with different irrigants (n = 5): G1 – Endoquil; G2 – 0.5% NaOCl; G3 – saline solution (control). After instrumentation, the teeth were prepared for SEM analysis (X 2000 original magnification) to evaluate the cleaning of cervical, middle and apical thirds. The area
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11

Martins, de Oliveira S., S. Velasco-Lozano, AH Orrego, et al. "Functionalization of Porous Cellulose with Glyoxyl Groups as a Carrier for Enzyme Immobilization and Stabilization." Biomacromolecules 22, no. 2 (2021): 927–37. https://doi.org/10.1021/acs.biomac.0c01608.

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The functionalization of the internal surface of macroporous carriers with glyoxyl groups has proven to highly stabilize a large variety of enzymes through multipoint covalent immobilization. In this work, we have translated the surface chemistry developed for the fabrication of glyoxyl-agarose carriers to macroporous cellulose (CEL). To that aim, CEL-based microbeads were functionalized with glyoxyl groups through a stepwise alkoxylation (or alkylation)/oxidation synthetic scheme. This functionalization sequence was analyzed by solid-state NMR, while the scanning electron miscroscopy of CEL m
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12

Posadas, Gabriel A., Paul R. Broadway, Justin A. Thornton, et al. "Yeast Pro- and Paraprobiotics Have the Capability to Bind Pathogenic Bacteria Associated with Animal Disease1." Translational Animal Science 1, no. 1 (2017): 60–68. http://dx.doi.org/10.2527/tas2016.0007.

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Abstract Live yeast probiotics and yeast cell wall components (paraprobiotics) may serve as an alternative to the use of antibiotics in prevention and treatment of infections caused by pathogenic bacteria. Probiotics and paraprobiotics can bind directly to pathogens, which limits binding of the pathogens to the intestinal cells and also facilitates removal from the host. However, knowledge of bacterial binding, specificity, and/or capability is limited with regard to probiotics or paraprobiotics. The goal of this study was to characterize the qualitative and quantitative nature of two Saccharo
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Idris, Aida I. Mohamad, Siti Mazlina Mustapa Kamal, Alifdalino Sulaiman, Rozita Omar, and Munira Mohammad. "Characterization of Cellulose Acetate Membrane at Different Thicknesses on Sucrose Concentration by Forward Osmosis." ASEAN Journal of Chemical Engineering 22, no. 2 (2022): 337. http://dx.doi.org/10.22146/ajche.77350.

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Forward osmosis (FO) requires a specific membrane structure for applications like juice concentration. The phase inversion method was used to make cellulose acetate (CA) FO membranes. The solvents used were acetone and 1,4-dioxane. Additives included polyvinylpyrrolidone (PVP), methanol, and maleic acid were used in the preparation of CA membrane, which make it easier to improve a FO membrane's permeability. The performance of fabricated FO membrane and their morphology were evaluaed with different casting thicknesses of 150, 200, and 250 µm. Experiment works begins with an hour of membrane fl
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14

Mijiritsky, Eitan, Letizia Ferroni, Chiara Gardin, et al. "Presence of ROS in Inflammatory Environment of Peri-Implantitis Tissue: In Vitro and In Vivo Human Evidence." Journal of Clinical Medicine 9, no. 1 (2019): 38. http://dx.doi.org/10.3390/jcm9010038.

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Analyses of composition, distribution of cellular and extracellular matrix components, and molecular analysis of mitochondria related genes of bone loss in the presence of inflammatory environment in humans was the aim of the present project. As a human model we chose peri-implantitis. Morphological analyses were performed by means classical histological, immunohistochemical, and SEM (scanning electron miscroscopy) test. Gene expression analysis was performed to evaluate epithelium maturation, collagen fiber production, and genes related to mitochondrial activity. It was found that a well-defi
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15

Cabała, Jerzy, Rafał Warchulski, Dariusz Rozmus, Dorota Środek, and Eligiusz Szełęg. "Pb-Rich Slags, Minerals, and Pollution Resulted from a Medieval Ag-Pb Smelting and Mining Operation in the Silesian-Cracovian Region (Southern Poland)." Minerals 10, no. 1 (2019): 28. http://dx.doi.org/10.3390/min10010028.

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Since the 12th century in the Silesian-Cracovian area, lead, litharge, and silver have been produced by the pyrometallurgical processing of Pb-Ag-Zn ore. Slags and soils contaminated with heavy metals (Zn, Pb, Cd, Fe, Mn, As) were the subject of this research. Samples were collected during archaeological works in the area of early medieval metallurgical settlement. The main goals of the analyses (Scanning Electron Miscroscopy-Energy Dispersive Spectroscopy (SEM-EDS), Electron Probe Microanalyzer (EPMA), X-ray diffraction (XRD), Atomic Absorption Spectroscopy (AAS)) were the determination of th
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Mutrofin, Siti, Rurini Retnowati, Rachmat Triandi Tjahjanto, Johan Kendek, and Muhammad Noor Aswad. "Comparative Study of Raw and Water Rinsed Loa Janan’s Bituminous Coal Structure." Key Engineering Materials 989 (October 28, 2024): 123–29. http://dx.doi.org/10.4028/p-0oxs6f.

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East Kalimantan’s Coal has total humidity level at 18.21%, inherent humidity of 12.39%, fly ash content of 5.18%, volatile compounds of 38.22% and heat content of 6084 kcal/kg. However, chemical composition, functional group and crystallinity of raw and water rinsed Loa Janan bituminous coal have not been reported elsewhere. This research aims to investigate whether water rinsed treatment affects the structure of the coal or not. Coal size at 100 mesh-200 mesh is divided into 2, labeled as bituminous (a) stands for raw bituminous and bituminous (b) is for water rinsed-one. The bituminous (a) w
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Giarrizzo, Antonino, Arcangelo Celeste, Francesca Pagnanelli, and Sergio Brutti. "Simulating the Influence of Cu Impurities on the Performance of NMC811 Cathodes from Recycling." ECS Meeting Abstracts MA2025-01, no. 3 (2025): 243. https://doi.org/10.1149/ma2025-013243mtgabs.

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Batteries plays a crucial role in modern society and are essential to meet the so-called net-zero emissions targets. However, the growing market demand of batteries, combined with the critical supply of scarce or expensive raw materials, lead to remarkable concerns about potential insufficient battery production (1). New chemistries and processing strategies are emerging to address these drawbacks, but these strategies increase the complexity of the industrial implementation and shifts later the market delivery. One possible option to address the materials shortage is the transition to a circu
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Akinmosin, A., and C. V. Melifonwu. "Sedimentological and Scanning Electron Miscroscopic Descriptions of Afowo Oil Sand Deposits, South Western Nigeria." GeoScience Engineering 63, no. 4 (2017): 20–32. http://dx.doi.org/10.1515/gse-2017-0019.

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AbstractSedimentological and scanning electron microscopic analyses of some shallow reservoir tar sand samples in parts of Southwestern Nigeria were carried out with the aim of characterizing the reservoir properties in relation to bitumen saturation and recovery efficiency. The production of impregnated tar from the sands requires the reservoir to be of good quality. A total of thirty samples were collected at different localities within the tar sand belt (ten out of these samples were selected for various reservoir quality analyses based on their textural homogeneity). The result of particle
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Yuan, Hong-Chien, Walter Kutschera, Tze-Yue Lin, Peter Steier, Christof Vockenhuber, and Eva Maria Wild. "Investigation of a Chinese Ink Rubbing by 14C AMS Analysis." Radiocarbon 45, no. 1 (2003): 1–7. http://dx.doi.org/10.1017/s0033822200032331.

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The date of a Chinese ink rubbing was determined using radiocarbon accelerator mass spectrometry (AMS) to be in the range from AD 1480 to AD 1670 (95.4% confidence limit). Together with a scanning electron miscroscope (SEM) analysis of the ink and a comparative study of the Chinese characters, it was determined that the ink rubbing must have been performed before Emperor Kang Hsi (AD 1662–1722), who ruled at the beginning of the Chin Dynasty. On the other hand, the stone stele, from which the ink rubbing was produced, was carved in AD 531, which is consistent with an analysis of some erased ch
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Hurst, George, Juan Maria González-Carballo, Lubomira Tosheva, and Silvia Tedesco. "Synergistic Catalytic Effect of Sulphated Zirconia—HCl System for Levulinic Acid and Solid Residue Production Using Microwave Irradiation." Energies 14, no. 6 (2021): 1582. http://dx.doi.org/10.3390/en14061582.

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The synergistic conversion of Miscanthus xGiganteous with sulphated zirconia and dilute hydrochloric acid was investigated. The sulphated zirconia was prepared using H2SO4 impregnation and characterised using X-ray Diffraction (XRD), Energy-dispersive X-ray (EDX), Scanning Electron Miscroscope (SEM) spectroscopy and nitrogen adsorption–desorption measurements. The microwave-assisted reaction was evaluated at various temperatures, reaction times and catalyst-to-biomass ratios, with and without the presence of trace HCl in the solution medium for the conversion of Miscanthus xGiganteous to levul
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Roy, Julie L., and William B. McGill. "Characterization of disaggregated nonwettable surface soils found at old crude oil spill sites." Canadian Journal of Soil Science 78, no. 2 (1998): 331–44. http://dx.doi.org/10.4141/s97-039.

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We characterized some of the physical, chemical, and microbiological properties of soils that have become severely water-repellent and disaggregated several years or decades following oil contamination. A growing number of patches (usually <2 ha) of disaggregated water-repellent soils have recently been discovered throughout the province of Alberta at 20 to 50-yr-old crude oil spill sites. The disaggregated water-repellent soil is usually confined to a dry and powdery surface layer 10 to 15 cm deep, which no longer smells, feels, or looks like it contains any oil. These soils appear to have
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Singh, Nongthongbam Sureshchandra, Harjeet Nath, Naresh Kumar Mehta, et al. "Impact of fish myofibrillar protein and apple pectin–konjac glucomannan on the physical, thermal, and micro-structural properties of biodegradable blend film." International Journal of Food Science and Technology 60, no. 1 (2025). https://doi.org/10.1093/ijfood/vvae016.

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Abstract The present study aims to develop a biodegradable film using apple pectin (AP), konjac glucomannan (KG), and different concentrations (1%–4% w/v) of fish myofibrillar protein (FMP). The results revealed a concomitant increase in thickness with FMP levels in apple pectin–konjac glucomannan film-forming solution and a reduced visible and UV light transmittance to below 60%. Disappearance of myosin heavy chain bands was noticed in FMP-added films. The different wavenumbers of Fourier transform infra red spectra suggest the interaction ofprotein and polysaccharide components. The third en
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Moon, W., SH Chung, and J. Chang. "Effect of Deep Margin Elevation on Interfacial Gap Development of CAD/CAM Inlays after Thermomechanical Cycling." Operative Dentistry, November 10, 2021. http://dx.doi.org/10.2341/20-310-l.

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SUMMARY The aim of this study was to evaluate interfacial gap formation of CAD/CAM lithium disilicate inlay margins before and after thermomechanical loading. Methods and Materials: Mesio-occlusal-distal cavities were prepared on 12 extracted mandibular molars. The gingival margin of one proximal box was elevated with resin modified glass ionomer (RMGI) by a height of 2 mm (Group E [elevation]), and the margin of the other side served as a control (Group NE [no elevation]). Lithium disilicate computer-aided design and computer-aided manufacturing (CAD/CAM) inlays were fabricated and bonded wit
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Zilkifli, Firdaus, and Nurazuwa Md Noor. "Preliminary Experimental Work on Concrete-Fly Ash Compressive Strength Blended with Seawater as Mixing Water." International Journal of Integrated Engineering 15, no. 6 (2023). http://dx.doi.org/10.30880/ijie.2023.15.06.013.

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Fly ash is widely used in the construction sector, but application with seawater has not fully utilised. Seawater is used in construction to minimise the scarcity of drinking water. The concrete was strengthened by the application of fly ash. Seawater replacing 100% tapwater as mixing water. Meanwhile, fly ash was substituted with ordinary Portland cement at 10%, 20%, 30%, and 40%. To achive the objective, the 100 mm x 100 mm x 100 mm cube size with 0.33 water-cementitious ratio were prepared. All series of mixture were casted and cured in water for 7 and 28 days. The fly ash blended with seaw
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Bee-Lin, Tang, Bakar Ismail, and Ming Chan Chee. "Reutilization of Organic and Peat Soils by Deep Cement Mixing." February 23, 2011. https://doi.org/10.5281/zenodo.1075466.

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Limited infrastructure development on peats and organic soils is a serious geotechnical issues common to many countries of the world especially Malaysia which distributed 1.5 mill ha of those problematic soil. These soils have high water content and organic content which exhibit different mechanical properties and may also change chemically and biologically with time. Constructing structures on peaty ground involves the risk of ground failure and extreme settlement. Nowdays, much efforts need to be done in making peatlands usable for construction due to increased landuse. Deep mixing method em
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