Relevant bibliographies by topics / Fiber content

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

Academic literature on the topic 'Fiber content'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Fiber content"

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Witayakran, Suteera, Wuttinant Kongtud, Jirachaya Boonyarit, Wirasak Smitthipong, and Rungsima Chollakup. "Development of Oil Palm Empty Fruit Bunch Fiber Reinforced Epoxy Composites for Bumper Beam in Automobile." Key Engineering Materials 751 (August 2017): 779–84. http://dx.doi.org/10.4028/www.scientific.net/kem.751.779.

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This research aims to use oil palm empty fruit bunch (EFB) fibers to reinforce epoxy resin for bumper beam in cars to replace epoxy/glass fiber composite. EFB fibers were extracted by two methods; chemical method by treating with 10-30% sodium hydroxide (% by weight of fiber) and mechanical method by steam explosion process at 12-20 kgf/cm2 for 5 mins. Then, the obtained fibers were bleached by hydrogen peroxide. The results show that the chemical method can eliminate lignin better than the other and provided stronger fibers. Increasing of alkaline concentration yielded the decrease of lignin content and increase of cellulose content, while no significant difference on fiber size and strength was observed. In steam explosion method, increasing of pressure vapor affected to more dark brown color and disintegrated fibers. Therefore, the optimal method for preparing EFB fibers for reinforcement of epoxy composite was chemical treatment using 30%NaOH, followed by bleaching. Then, the EFB fibers extracted by chemical method at 30%NaOH were used for reinforcing epoxy composite with fiber contents of 0-10%w/w and compared to epoxy/glass fiber composite. The results show that flexural modulus did not increase with increasing fiber content. However, the chemical treated fibers can support composite from falling apart after testing like glass fiber reinforced composite with fiber contents upper than 7.5%w/w. Impact strength and storage modulus of alkaline treated palm fiber reinforced composites increased when fiber content more than 7.5%w/w. Thermal properties of composite, analyzed by DSC and DMTA, shows that the Tg increased with fiber content. Flexural modulus and thermal properties of EFB reinforced epoxy composites provided similar results to glass fiber reinforced composites. Therefore, EFB fiber reinforced epoxy composite could be an alternative green material for bumper beam in automobile.
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Gu, Jianxiao, Liancheng Li, Xin Huang, and Hui Chen. "Study on Shear Performance of Corroded Steel Fiber Reinforced Concrete Beams under Impact Load." Materials 17, no. 11 (May 27, 2024): 2566. http://dx.doi.org/10.3390/ma17112566.

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With the growing use of steel-fiber-reinforced-concrete (SFRC) beams in environmentally friendly and rapid construction, it is essential to assess their impact performance. These beams may encounter unexpected impact loadings from accidents or terrorist attacks during service life. This study explored the impact of steel fiber content and drop hammer height on the impact load testing of corrosion-treated SFRC beams. Experiments were conducted with varying steel fiber contents (0%, 0.25%, 0.5%, 0.75%, and 1.0%), and drop hammer height (1 m, 2 m, and 3 m). The corrosion test demonstrates that SFRC beams supplemented with steel fibers showcase a diminished surface rust spot area in comparison to those lacking fibers. This improvement is ascribed to the bonding between fibers and the concrete matrix, along with their current-sharing properties. SFRC beams, subjected to impact testing, exhibit concrete crushing at the top without spalling, showcasing improved impact resistance due to increased fiber content, which reduces crack formation. Additionally, different fiber contents yield varied responses to impact loads, with higher fiber content notably enhancing overall beam performance and energy dissipation capacity. Energy dissipation analysis shows a moderate increase with higher fiber contents, and impulse impact force generally rises with fiber content, indicating improved impact resistance.
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Zhang, Li, Zhihui Sun, Duoping Liang, Jing Lin, and Wei Xiao. "Preparation and performance evaluation of PLA/coir fibre biocomposites." BioResources 12, no. 4 (August 22, 2017): 7349–62. http://dx.doi.org/10.15376/biores.12.4.7349-7362.

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Alkali-treated coir fibers were modified by silane coupling agent in a microwave oven. The use of microwave-assisted chemical treatments efficiently promoted the esterification reaction to improve the interfacial adhesion between the coir fibers and PLA matrix. Effects of the treated coir fiber content (1 wt.% to 7 wt.%) on the surface morphology and tensile, impact, and thermal properties of PLA/coir fiber biocomposites (AKWCF/PLAs) were evaluated. At a coir fiber content of 1%, the AKWCF/PLAs showed a remarkable increase of 28% in the percentage impact strength, while the tensile strength and breaking strength decreased with increasing coir fibre content. The thermal stability of the AKWCF/PLAs worsened and the degree of crystallinity increased with increasing fiber content. The decreased cold crystallization temperatures of AKWCF/PLAs further confirmed the role of coir fibers treated with the new combined method as an effective nucleating agent.
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Ye, Yanxia, Jilei Liu, Zhiyin Zhang, Zongbin Wang, and Qiongwu Peng. "Experimental Study of High-Strength Steel Fiber Lightweight Aggregate Concrete on Mechanical Properties and Toughness Index." Advances in Materials Science and Engineering 2020 (March 30, 2020): 1–10. http://dx.doi.org/10.1155/2020/5915034.

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In this paper, three different kinds of steel fibers, being micro (M), end-hooked (H), and corrugated (C), commonly used in engineering applications, are added to high-strength lightweight aggregate concrete (HLAC) to study the effects of steel fiber and volume content ratio of fiber on the compressive, splitting tensile, and flexural strength of HLAC. The range of steel fiber volume content fraction studied is 0.5% to 2.0%. The research shows that different types of steel fiber have different effects on the mechanical properties and toughness of HLAC. M steel fibers have the best reinforcing performance on the mechanical properties. The study also shows that the toughness of M steel fibers is the best with the same fiber content. The toughening effect of H and C steel fibers can only reach 2/3 and 1/2 of M steel fibers, respectively. At the end of this paper, the unified strength formula and toughness index of these three kinds of high-strength steel fiber lightweight aggregate concrete (HSLAC) with different fiber contents are given to provide a reference for engineering practice and design.
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Peltola, Heidi, Bo Madsen, Roberts Joffe, and Kalle Nättinen. "Experimental Study of Fiber Length and Orientation in Injection Molded Natural Fiber/Starch Acetate Composites." Advances in Materials Science and Engineering 2011 (2011): 1–7. http://dx.doi.org/10.1155/2011/891940.

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Composite compounds based on triethyl citrate plasticized starch acetate and hemp and flax fibers were prepared by melt processing. Plasticizer contents from 20 to 35 wt% and fiber contents of 10 and 40 wt% were used. The compounded composites were injection molded to tensile test specimens. The effect of processing, melt viscosity and fiber type on the fiber length was investigated. The lengths of fully processed fibers were determined by dissolving the matrix and measuring the length of the remaining fibers by microscope analysis. A clear reductive effect of the processing on the fiber length was noticed. A reduction of fiber length along the increasing fiber content and the decreasing plasticizer content was also detected. This reduction originated from the increasing shear forces during compounding, which again depended on the increased viscosity of the material. Hemp fibers were shown to remain longer and fibrillate more than flax fibers, leading to higher aspect ratio. Thus, the reinforcement efficiency of hemp fibers by the processing was improved, in contrast with flax fibers. In addition, the analysis of fiber dispersion and orientation showed a good dispersion of fibers in the matrix, and a predominant orientation of the fibers in the melt flow direction.
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Zhiming, Yang, Liu Jinxu, Feng Xinya, Li Shukui, Xu Yuxin, and Ren Jie. "Investigation on mechanical properties and failure mechanisms of basalt fiber reinforced aluminum matrix composites under different loading conditions." Journal of Composite Materials 52, no. 14 (September 28, 2017): 1907–14. http://dx.doi.org/10.1177/0021998317733807.

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Basalt fiber reinforced aluminum matrix composites with different fiber contents (i.e. 0 wt%, 10 wt%, 30 wt% and 50 wt%) were prepared by hot-press sintering. Microstructure analysis indicates that basalt fibers are uniformly distributed in 10% basalt fiber reinforced aluminum matrix composite. The interfacial bonding between basalt fibers and aluminum matrix is good, and there is no interface reaction between basalt fiber and aluminum matrix. Quasi-static tensile, quasi-static compression and dynamic compression properties of basalt fiber reinforced aluminum composites were studied, and the influences of basalt fiber content on mechanical properties were discussed. Meanwhile, the failure mechanisms of basalt fiber reinforced aluminum matrix composites with different fiber content were analyzed.
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Safiuddin, Md, George Abdel-Sayed, and Nataliya Hearn. "Absorption and Strength Properties of Short Carbon Fiber Reinforced Mortar Composite." Buildings 11, no. 7 (July 8, 2021): 300. http://dx.doi.org/10.3390/buildings11070300.

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This paper presents the water absorption and strength properties of short carbon fiber reinforced mortar (CFRM) composite. Four CFRM composites with 1%, 2%, 3%, and 4% short pitch-based carbon fibers were produced in this study. Normal Portland cement mortar (NCPM) was also prepared for use as the control mortar. The freshly mixed mortar composites were tested for workability, wet density, and entrapped air content. In addition, the hardened mortar composites were examined for compressive strength, splitting tensile strength, flexural strength, and water absorption at the ages of 7 and 28 days. The effects of different carbon fiber contents on the tested properties were observed. Test results showed that the incorporation of carbon fibers decreased the workability and wet density, but increased the entrapped air content in mortar composite. Most interestingly, the compressive strength of CFRM composite increased up to 3% carbon fiber content and then it declined significantly for 4% fiber content, depending on the workability and compaction of the mortar. In contrast, the splitting tensile strength and flexural strength of the CFRM composite increased for all fiber contents due to the greater cracking resistance and improved bond strength of the carbon fibers in the mortar. The presence of short pitch-based carbon fibers significantly strengthened the mortar by bridging the microcracks, resisting the propagation of these minute cracks, and impeding the growth of macrocracks. Furthermore, the water absorption of CFRM composite decreased up to 3% carbon fiber content and then it increased substantially for 4% fiber content, depending on the entrapped air content of the mortar. The overall test results suggest that the mortar with 3% carbon fibers is the optimum CFRM composite based on the tested properties.
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Insaurriaga, Gabriel L., Cristian C. Gomes, Felipe V. Ribeiro, Gustavo L. Calegaro, Thamires A. Silveira, Lóren F. Cruz, Joziel A. Cruz, Sandro C. Amico, and Rafael A. Delucis. "Effect of Hybridization of Carbon Fibers on Mechanical Properties of Cellulose Fiber–Cement Composites: A Response Surface Methodology Study." C 10, no. 2 (April 30, 2024): 41. http://dx.doi.org/10.3390/c10020041.

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Fiber-reinforced cement composites, particularly those incorporating natural fibers like cellulose, have gained attention for their potential towards more sustainable construction. However, natural fibers present inherent deficiencies in mechanical properties and can benefit from hybridization with carbon fibers. This study focuses on the incorporation of cellulose and carbon fibers, in varying contents, into fibrocement composites, employing a Response Surface Methodology (RSM) to optimize the material characteristics. The methodology involves testing, encompassing flexural tensile, compression, and fracture toughness tests. The results indicate an increasing trend in flexural strength for higher carbon fiber content, peaking near 5%. A plateau in flexural strength is observed between 1.2% and 3.6% carbon fiber content, suggesting a range where mechanical properties stabilize. Compressive strength shows a plateau between 1.2 and 3.6% and reaches its highest value (≈33 MPa) at a carbon fiber content greater than 4.8%, and fracture toughness above 320 MPa·m1/2 is achieved with carbon fiber content above 3.6%. This study offers insights into optimizing the synergistic effects of cellulose and carbon fibers in fibrocement composites.
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Vuong, Thi-Ngoc-Han, Duy-Liem Nguyen, H. T. Tai Nguyen, and Tri N. M. Nguyen. "Effect of fiber content on flexural fracture parameters of high-performance steel fiber-reinforced concrete." Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE 18, no. 1 (March 25, 2024): 12–23. http://dx.doi.org/10.31814/stce.huce2024-18(1)-02.

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This study deals with the effect of fiber content on fracture parameters of high-performance steel-fiber-reinforced concretes through a bending test program. All the high-performance steel-fiber-reinforced concretes flexural specimens were tested under configuration of three-point loading. The fracture parameters were hardening energy, softening energy and length of cohesive crack. Two steel fiber types were employed in the studied high-performance steel-fiber-reinforced concretes, including 35 mm long hooked fiber and 13 mm short smooth fiber. The high-performance steel-fiber-reinforced concretes were produced from the same matrix but added different fiber contents as follows: 0.0 vol.%, 0.5 vol.%, 1.0 vol.%, and 1.5 vol.%. The experimental resultsdemonstrated that two parameters, including the hardening energy and softening energy, were observed to increase with increasing of fiber content, regardless of fiber type. The hardening energy was lower than thesoftening energy at any fiber content. The short smooth fibers generally produced the higher fracture energyparameters than the long hooked fibers. The highest total fracture energies of the high-performance steel-fiber-reinforced concretes were observed at 1.0 vol.% as follows: 58.25 kJ/m2 for using short smooth and 59.16 kJ/m2 for using long hooked fibers. Besides, the addition of reinforcing fibers considerably improved the length of the cohesive crack of the high-performance steel-fiber-reinforced concretes: from 0.58 mm using no fiber to 519.85 mm using short smooth fibers 0.5 vol.%.
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Gao, Lei, Guohui Hu, Nan Xu, Junyi Fu, Chao Xiang, and Chen Yang. "Experimental Study on Unconfined Compressive Strength of Basalt Fiber Reinforced Clay Soil." Advances in Materials Science and Engineering 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/561293.

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In order to study the mechanism and effect of basalt fiber reinforced clay soil, a series of unconfined compressive strength tests conducted on clay soil reinforced with basalt fiber have been performed under the condition of optimum water content and maximum dry density. Both the content and length of basalt fiber are considered in this paper. When the effect of content is studied, the 12 mm long fibers are dispersed into clay soil at different contents of 0.05%, 0.1%, 0.15%, 0.20%, 0.25%, 0.30%, and 0.35%. When the effect of length is researched, different lengths of basalt fibers with 4 mm, 8 mm, 12 mm, and 15 mm are put into soil at the same content of 0.05%. Experimental results show that basalt fiber can effectively improve the UCS of clay soil. And the best content and length are 0.25% and 12 mm, respectively. The results also show that the basalt fiber reinforced clay soil has the “poststrong” characteristic. About the reinforcement mechanism, the fiber and soil column-net model is proposed in this paper. Based on this model and SEM images, the effect of fiber content and length is related to the change of fiber-soil column and formation of effective fiber-soil net.
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Dissertations / Theses on the topic "Fiber content"

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Snyder, Heidi Ghent. "Fiber type-specific desmin content in human single muscle fibers /." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1253.pdf.

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Ghent, Heidi. "Fiber Type-specific Desmin Content in Human Single Muscle Fibers." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/381.

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Contractile and cytoskeletal protein concentrations have been shown to differ on the basis of fiber type in whole muscle homogenates. The purpose of this study was to compare the content of the intermediate filament protein, desmin, between type I and type IIa single muscle fibers from a mixed muscle in human subjects. Biopsies were taken from the vastus lateralis of six recreationally active males. Approximately 150 single muscle fibers were dissected from each sample and analyzed using SDS-PAGE to determine myosin heavy chain (MHC) composition. Following identification, muscle fibers were pooled into two groups (MHC I and MHC IIa). Desmin and actin content within the pooled samples was determined via immunoblotting. On average, muscle samples were composed of 51 ± 7 % type I, 2 ± 1% type I/IIa, 27 ± 5% type IIa, 19 ± 4% type IIa/IIx and 1 ± 1% type IIx MHC single fibers. Desmin and actin contents were 40% and 34% higher in type I fibers compared to type IIa fibers, respectively (P < 0.05). However the desmin to actin ratio was similar between pooled type I and IIa single muscle fibers within the vastus lateralis. These data suggest that desmin and actin content is a function of muscle fiber type. These differences in cytoskeletal protein content may have implications for differences in contractile function and eccentric damage characteristics between fiber types.
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Bättig, Rainer. "Fiber optic Doppler velocimeter probes /." [S.l.] : [s.n.], 1988. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Fanni, Saman. "Void content computation using optical microscopy for carbon fiber composites." Thesis, KTH, Hållfasthetslära, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-285602.

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Three different void content calculation techniques using optical microscopy werecompared in multiple-user trials. The three methods studied comprised of a selection,thresholding, and semi-automatic machine learning method. The techniques wereapplied to micrographs of three carbon fiber-epoxy composite plates manufacturedin-house, where one plate had reduced void content by means of debulking priorto curing. The users performed the techniques on the sets of micrographs and thestandard deviation between the users void content results were measured.The advantages of the three methods were discussed and their practical applications wereproposed. The trials showed agreement between users on what are voids and not as well asshowing that uncertainties in void content are specimen-specific and not attributed todifferent users or methods applied. All three methods showed satisfying precision incalculating void content compared to void content quality levels provided by literature.It was found that thresholding, which is the current standard method of void contentcalculation using microscopy, inhabits an unscientific bias which compromises the legitimacyof the method. The study formulates a manual selection-based method usingedge-detection selection tools intended to benchmark void content in images, as wellas proposing a route to the automation of void content analysis using microscopy.
Tre olika beräkningstekniker för kavitetshalter med hjälp av mikroskopi jämfördes genom fleranvändar-tester. De tre metoderna innefattade en selektions-metod, tröskelvärdesmetod, och en övervakad maskininlärningsmetod. Metoderna applicerades på mikrografer av tre kolfiber-epoxi kompositplattor tillverkade internt, varav en platta hade reducerad kavitetshalt genom en avbulkningsprocess innan härdning. Användarna genomförde metoderna på mikrograferna och standardavvikelsen mellan användarnas resulterande kavitetshalter mättes. För- och nackdelarna hos de tre metoderna diskuterades och deras praktiska applikationer föreslogs. Testerna visade en överensstämmelse mellan användare om vad som omfattar kaviteter och inte, samt en påvisning på att osäkerheter kring kavitetshalter är provbitberoende och inte användar- eller metodberoende. Alla tre metoder uppvisade en tillfredsställande precision i kavitethaltsberäkning jämfört med kvalitetsnivåer av kavitethalter erhållna från litteratur. Det konstaterades att tröskelvärdesmetoden, vilket är nuvarande standardmetoden för kavitethaltsberäkning med mikroskopi, innehar en bias som sätter validiteten av metoden i fråga. Studien formulerar även en manuell selektions-metod som använder selektions-verktyg för randdetektering, ämnad för att hitta referensvärden för kavitetshalter. Förslag ges även kring tillvägagångssättet till att uppnå automatiserade metoder för kavitethaltsberäkning.
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Lehmann, Marek. "Shear capacity of steel fiber reinforced waste sand concrete beams : doctoral dissertation." Rozprawa doktorska, [s.n.], 2019. http://dlibra.tu.koszalin.pl/Content/1318.

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Wolford, Ian Mark. "Quantifying Amorphous Content of Commercially Available Silicon Carbide Fibers." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1472054006.

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Weber, Thomas. "Powerful diode-pumped single-mode fiber lasers /." [S.l : s.n.], 1995. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Tripathi, Sudhir Kumar. "Liquefaction Characteristics of Sand Reinforced with Small Percentages of Polypropylene FIber." OpenSIUC, 2018. https://opensiuc.lib.siu.edu/theses/2435.

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Liquefaction of soil is one of the major contributing factors for damages of infrastructures and utility services during earthquake. Liquefaction occurs when short strong shaking creates undrained loading condition in saturated soil deposit thereby increases pore water pressure, which eventually equals the effective confining pressure resulting in significant reduction in shear strength and bearing capacity of soil deposit. Several studies have been conducted to investigate the effect of polypropylene fiber on sand deposit as a measure to prevent liquefaction but most of them are based on static tests. Therefore, the present study, tries to understand liquefaction characteristics of sand reinforced with polypropylene fiber based on cyclic triaxial test. The main objectives of this study are (i) to explore the effect of polypropylene fiber on pore pressure generation and deformation characteristics of sand, and (ii) to observe the effect of confining pressure on liquefaction characteristics of sand-fiber mixture. A series of stress controlled cyclic triaxial tests were performed at 5 and 10 psi effective confining pressures. At 5 psi effective confining pressure, specimens of clean sand, and sand containing 0.05, 0.075, 0.1, and 0.3% polypropylene fiber by dry weight were tested at 0.2, 0.25, 0.3, and 0.4 Cyclic Stress Ratio (CSR). However, at 10 psi effective confining pressure, specimens were also tested for 0.5%, and 0.75% fiber in addition to those at 5 psi confining pressure at 0.2, 0.3, and 0.4 CSR. Based on the test results, it was observed that, cyclic shear stress increases with the increase in initial effective confining pressure. Also, for a given CSR, liquefaction resistance decreased with the increase in effective confining pressure. Furthermore, significant improvement in liquefaction resistance was observed when the fiber content exceeded beyond 0.075% at 5 psi confining stress. However, at 10 psi confining pressure, addition of fiber did not help in improvement of liquefaction resistance of sand except when cyclic shear stress was applied at 0.2 CSR. At 0.2 CSR, although the specimens did liquefy based on pore pressure generation criteria at all fiber contents, specimens containing 0.5% and 0.75% fiber did not ever reach 2.5% and 5% DA (Double Amplitude) deformation throughout 1000 loading cycles.
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Laskowska-Bury, Joanna. "Selected physico-mechanical properties fiber reinforced composit produced on waste aggregate : PhD thesis summary." Rozprawa doktorska, [s.n.], 2017. http://dlibra.tu.koszalin.pl/Content/1040.

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Katzir, Irena. "Sensory and dietary quality of fiber-beef blends." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/43898.

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Recently, there has been an increased interest in manufacturing high fiber Foods. Beef patties containing 1% Lupran (sweet lupin bran flour), 2% barley and 3% of both fibers (1% Lu + 2% Ba) and a control all-beef pattie were manufactured and comparatively evaluated by visual and sensory panels. Hypocholesterolemic effects were tested by in vivo studies. Rats were fed diets containing meat or meat-blends as the sole source of protein, fat, fiber and cholesterol. All the diets were isocaloric. At the point of purchase, the meat blends were different (P < 0.05) from the in their apparent amount exudate, fat to lean ratio and integrity. Less significant was the difference in color, both visual and objective, with the beef-barley blend tending to be darker and the beef-lupran product tending to be brighter within 14 days oF storage. The sensory panel scored meat-blends as significantly less beefy, more beany and grainy (P> 0.05). The grainy flavor of barley was especially detectable. Mouthfeel was not significantly altered (P> 0.05) but there was a tendency for the panel to score the barley blend as dryer and tougher than the control. However, these results were not confirmed by objective measurements. Cooking losses and quantity of measured exudate For meat blends were similar to the control. Neither lupran nor barley had a significant antioxidative effect. The meat blend with 3% fiber lowered the LDL fraction in rats relative to that of rats on control diets. However, the amount of added fiber was too low to significantly affect serum or liver cholesterol.
Master of Science

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Books on the topic "Fiber content"

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Centore, Michael. Fiber. Broomall, PA: Mason Crest, 2017.

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Behery, H. M. Short fiber content and uniformity index in cotton. Oxon, UK: CAB International, 1993.

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Stephenson, Marilyn. Fiber: Something healthy to chew on. Rockville, Md: Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, 1987.

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W, Anderson James. Dr Anderson's HCF diet: The new high-fibre, low-cholesterol way to keep slimand healthy. London: MacDonald and Company, 1990.

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Blisard, William Noel. Dietary fiber: Effects of socioeconomic characteristics and knowledge. Washington, DC: U.S. Dept. of Agriculture, Economic Research Service, 1994.

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Stephenson, Marilyn. Fiber, something healthy to chew on. [Rockville, Md. (5600 Fishers Lane, Rockville 20857): Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Office of Public Affairs], 1991.

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Stephenson, Marilyn. Fiber, something healthy to chew on. [Rockville, Md. (5600 Fishers Lane, Rockville 20857): Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Office of Public Affairs], 1991.

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Naoko, Makino, and Li Miao-shuang, eds. Shih pʻin je liang i lan piao =: Food & cooking data. Tʻai-pei shih: Ti tʻeng chʻu pan tʻu shu yu hsien kung ssu, 1999.

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Papazian, Ruth. Bulking up fiber's health reputation. [Rockville, Md: Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, 1997.

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V, McCleary Barry, and Prosky Leon, eds. Advanced dietary fibre technology. Oxford: Blackwell Science, 2001.

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Book chapters on the topic "Fiber content"

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Gooch, Jan W. "Fiber Content." In Encyclopedic Dictionary of Polymers, 300. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4858.

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Niu, Ditao, Siyu Gong, Bingbing Guo, Zhiyuan Cao, and Yan Wang. "Study on Frost Resistance of Steel-PVA Hybrid Fiber Concrete." In Advances in Frontier Research on Engineering Structures, 105–12. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8657-4_10.

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AbstractFreeze–thaw damage in cold areas is an important reason for the deterioration of durability of concrete structures, and the addition of fiber can effectively improve the frost resistance of concrete. To study the effect of steel fiber and polyvinyl alcohol (PVA) fiber on the frost resistance of concrete, an orthogonal experimental method was applied to analyze the frost resistance of steel-PVA hybrid fiber concrete. The effect of the steel fiber content, PVA fiber content, and steel fiber types were investigated on the mass-loss rate and relative dynamic elastic modulus of fiber concrete, to explore the mechanism of high frost resistance of it. The results show that steel fiber content has a significant effect on the mass-loss rate and relative dynamic elastic modulus of fiber concrete. The influence of PVA fiber content on the relative dynamic elastic modulus is relatively great, and the influence of steel fiber types of the mass-loss rate is the same. The frost resistance of concrete can be improved by adding hybrid fiber in concrete. When 1.0% End-hook steel fibers and 0.3% PVA fibers are added, the concrete specimen has the best frost resistance.
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Rawat, S., Y. X. Zhang, and C. K. Lee. "Spalling Resistance of Hybrid Polyethylene and Steel Fiber-Reinforced High-Strength Engineered Cementitious Composite." In Lecture Notes in Civil Engineering, 321–25. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3330-3_33.

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AbstractWe analyzed the effect of elevated temperatures on the integrity of high-strength engineered cementitious composite (ECC) made with a hybrid combination of polyethylene (PE) and steel fibers. The 50 mm cube specimens were subjected to temperature ranging from 200 to 800 °C at three different heating rates: 1, 5, and 10 °C/min. Five different types of mixes with varying content of supplementary cementitious materials and fibers were evaluated. No spalling was observed at 1–5 °C/min heating rate and <400 °C. However, at a heating rate of 10 °C/min for temperature 600–800 °C, all ECC specimens with a PE fiber volume of 1.25 and 1% steel fiber spalled explosively. Moreover, cementitious matrix with silica fume was more prone to spalling at 800 °C and the use of slag or quaternary blend of slag and dolomite at an optimum content was effective in maintaining the integrity of the ECC specimens even at very high heating rates. Thus, the type of cementitious matrix is equally important to consider, as well as fiber type and content, while analyzing the spalling resistance of ECC.
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Ayed, Rabeb, Emiliano Borri, Gabriel Zsembinszki, Salwa Bouadila, Luisa F. Cabeza, and Mariem Lazaar. "Use of Textile Fiber Waste to Improve the Thermal and Mechanical Performance of Cement-Based Mortar." In Lecture Notes in Civil Engineering, 273–81. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57800-7_25.

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AbstractImproving the thermal properties of materials used in buildings is crucial to reducing energy demand and consumption. This study investigated the use of textile fiber waste in cement-based composites for construction applications. Mechanical and thermal characterizations were carried out to assess the behavior of cement mortars with different percentages of two types of textile fibers after 7 and 28 days of water hardening. The results show that the incorporation of fibers can significantly improve the thermal insulation capacity of buildings by reducing the thermal conductivity of cement mortar by up to 52%. In addition, the use of textile fibers can improve the mechanical strength of the cement mortar, especially with a high fiber content and a longer curing time.
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Roggli, Victor L., and Anupama Sharma. "Analysis of Tissue Mineral Fiber Content." In Pathology of Asbestos-Associated Diseases, 253–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-41193-9_11.

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Mantelli, Andrea, Alessia Romani, Raffaella Suriano, Marinella Levi, and Stefano Turri. "Additive Manufacturing of Recycled Composites." In Systemic Circular Economy Solutions for Fiber Reinforced Composites, 141–66. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-22352-5_8.

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AbstractAn additive remanufacturing process for mechanically recycled glass fibers and thermally recycled carbon fibers was developed. The main purpose was to demonstrate the feasibility of an additive remanufacturing process starting from recycled glass and carbon fibers to obtain a new photo- and thermally-curable composite. 3D printable and UV-curable inks were developed and characterized for new ad-hoc UV-assisted 3D printing apparatus. Rheological behavior was investigated and optimized considering the 3D printing process, the recyclate content, and the level of dispersion in the matrix. Some requirements for the new formulations were defined. Moreover, new printing apparatuses were designed and modified to improve the remanufacturing process. Different models and geometries were defined with different printable ink formulations to test material mechanical properties and overall process quality on the final pieces. To sum up, 3D printable inks with different percentages of recycled glass fiber and carbon fiber reinforced polymers were successfully 3D printed.
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Neumann, Volker, Stefan Löseke, and Andrea Tannapfel. "Mesothelioma and Analysis of Tissue Fiber Content." In Malignant Mesothelioma, 79–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10862-4_6.

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Østrem, Liv, and Arild Larsen. "Fiber Content and Plant Development in Festulolium." In Sustainable use of Genetic Diversity in Forage and Turf Breeding, 563–68. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-8706-5_84.

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Shan, Jingsong, Chengfa Song, Shengbo Zhou, TongJun Duan, Shuai Zheng, and Bo Zhang. "Study on Performance of Pervious Concrete Modified by Nano-Silicon + Polypropylene Fiber Composite." In Lecture Notes in Civil Engineering, 189–98. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1748-8_15.

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AbstractIn order to improve the comprehensive performance of pervious concrete, nano-silicon and polypropylene fiber were added to pervious concrete to study the change of performance of pervious concrete. Firstly, the effect of single doped nano-silicon on the properties of cement slurry and pervious concrete was studied, and the optimal water-binder ratio and nano-silicon content were determined. Based on this, mixed polypropylene fiber with different proportions of length of 18 mm to determine the reasonable amount of polypropylene fiber. The results showed that the compressive strength of pervious concrete was the highest when the nano-silicon content was 0.5% and the water-binder ratio was 0.32. Based on this ratio, the maximum compressive strength can be obtained by adding 1.0 kg/m3 polypropylene fiber, and the compressive strength of 7d and 28d increased by 29.9% and 42.2%, respectively. Adding 1.5 kg/m3 polypropylene fiber was the most beneficial to improve the freezing resistance of pervious concrete. For example, after 300 freeze–thaw cycles, the compressive strength residual rate was 62%. That's much higher than the 40 percent that was found when nano silicon was mixed alone.
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Sun, Xiaowei, Miao Gao, Honghong Zhou, Jing Lv, and Zhaoyang Ding. "Influence of Fiber on Properties of Graphite Tailings Foam Concrete." In Lecture Notes in Civil Engineering, 508–15. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1260-3_46.

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AbstractThe project used graphite tailings as a filler to prepare graphite tailings foamed concrete. Mainly studied the physical properties, mechanical properties and thermal properties of the foam concrete by graphite tailings, also studied the combination of polypropylene fiber and glass fiber influence of foam concrete compressive strength and cracking strength. The experimental results show that in the case of the same dry density grade, adding 20% graphite tailings can make the foam concrete strength reach its peak. When the water-binder ratio is 0.65 and the self-made chemical foaming agent content is 7%, the optimal total fiber volume blending rate is 0.18%, and the blending ratio of polypropylene fiber and glass fiber is 2:1. The compounding of polypropylene fiber and glass fiber can improve the flexural performance of foam concrete, which is not conducive to the thermal insulation performance of foam concrete, but the test results are still better than industry standards.
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Conference papers on the topic "Fiber content"

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Garcia, Jordan, Sayer Smith, Brian Sibley, and Y. Charles Lu. "Effect of Fiber Content on Anisotropic Behavior of 3D Printed Fiber Composites." In WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0071.

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<div class="section abstract"><div class="htmlview paragraph">Discontinuous or short-fiber composites are traditionally less expensive and are normally less difficult to manufacture than continuous fiber composites, while still retaining some of the benefits of reinforcing fibers. Similarly to continuous fibers, the volume ratio influences the mechanical properties of the composite. In addition the ratio of the length and diameter of the reinforcing fibers also plays a significant role. This ratio (also known as the aspect ratio) adds another variable to the anisotropic properties of lamina plies where now not only the content of fibers but also the dimensions of the fibers themselves play a role. Short fiber reinforced composites are already used in additive manufacturing techniques; however, the amount of carbon fiber and the length of the discontinuous strands in the filaments are normally not stated or vary greatly. An investigation in conducted on how the dimensional properties of the carbon fiber, (volume fraction and aspect ratio), affect the mechanical properties of 3D printed parts. Rectangular bending samples were fabricated using a Pulse XE 3D-printer using filament rolls of varying carbon-fiber content and carbon-fiber length. The results showed that the orientation of the reinforcing fibers can play a significant role in the mechanical responses of the final product. The amount of fiber by content also influence how much of a brittle/ductile response the samples exhibited. Additionally the aspect ratio of the carbon-fiber strands appears to influence how susceptible the final products are to artifacts of the 3D-printing process. Finally it is shown how using a combination of the Halpin-Tsai model with Classical-Laminate-Composite-Theory can predict how the samples will respond based on the carbon-fiber content, aspect ratio, and print/fiber orientation. This can theoretically be used to tailor a 3D-printed products anisotropic mechanical properties based on the loading conditions expected by manipulating the reinforcing fibers.</div></div>
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Bower, Jeff. "Introduction to Content Distribution Networks." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/ofc.2018.tu2g.1.

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Li, Ze, Min Zhang, Danshi Wang, Dequan Xie, Yue Cui, and Qi Yang. "Demonstration of Reconfigurable WDM Multicast Supporting Content Replication and Protection Switching for Content Delivery Optical Network." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/ofc.2017.th4f.2.

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Jayasundara, Chamil, Ampalavanapillai Nirmalathas, Elaine Wong, and Chien Aun Chan. "Energy Efficient Content Distribution for VoD Services." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/ofc.2011.owr3.

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Nikolaidis, Alexander. "Building a Global Content Provider Network at Scale." In Optical Fiber Communication Conference. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofc.2022.tu2f.1.

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Nikolaidis, Alexander. "Building a Global Content Provider Network at Scale." In Optical Fiber Communication Conference. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/ofc.2022.tu2f.1.

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Ferdousi, Sifat, Ferhat Dikbiyik, M. Farhan Habib, Massimo Tornatore, and Biswanath Mukherjee. "Disaster-Aware Dynamic Content Placement in Optical Cloud Networks." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 2014. http://dx.doi.org/10.1364/ofc.2014.m2h.4.

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Le Gouët, Julien, Laurent Lombard, and Guillaume Canat. "Multifilament core fiber mode content and other properties using S2 characterization." In Fiber Laser Applications. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/filas.2011.fthe6.

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Le, G., S. Ferdousi, A. Marotta, S. Xu, Y. Hirota, Y. Awaji, M. Tornatore, and B. Mukherjee. "Reliable Provisioning for Dynamic Content Requests in Optical Metro Networks." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 2021. http://dx.doi.org/10.1364/ofc.2021.w1f.2.

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Hammad, Ali, Alejandro Aguado, Koteswararao Kondepu, Yue Zong, Jaume Marhuenda, Shuangyi Yan, Reza Nejabati, and Dimitra Simeonidou. "Demonstration of NFV Content Delivery using SDN-enabled virtual infrastructures." In Optical Fiber Communication Conference. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/ofc.2017.tu3l.11.

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Reports on the topic "Fiber content"

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Ragalwar, Ketan, William Heard, Brett Williams, Dhanendra Kumar, and Ravi Ranade. On enhancing the mechanical behavior of ultra-high performance concrete through multi-scale fiber reinforcement. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41940.

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Steel fibers are typically used in ultra-high performance concretes (UHPC) to impart flexural ductility and increase fracture toughness. However, the mechanical properties of the steel fibers are underutilized in UHPC, as evidenced by the fact that most of the steel fibers pull out of a UHPC matrix largely undamaged during tensile or flexural tests. This research aims to improve the bond between steel fibers and a UHPC matrix by using steel wool. The underlying mechanism for fiber-matrix bond improvement is the reinforcement of the matrix tunnel, surrounding the steel fibers, by steel wool. Single fiber pullout tests were performed to quantify the effect of steel wool content in UHPC on the fiber-matrix bond. Microscopic observations of pulled-out fibers were used to investigate the fiber-matrix interface. Compared to the control UHPC mixture with no steel wool, significant improvement in the flexural behavior was observed in the UHPC mixtures with steel wool. Thus, the addition of steel wool in steel fiber-reinforced UHPC provides multi-scale reinforcement that leads to significant improvement in fiber-matrix bond and mechanical properties of UHPC.
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Neeley, Billy D., Donna C. Day, and James E. Shoenberger. Unique Polymeric Fiber and Fiber Delivery Systems for the Economic Preparation of High-Fiber Content Concrete with Superior Physical Properties. Fort Belvoir, VA: Defense Technical Information Center, September 1998. http://dx.doi.org/10.21236/ada363079.

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Ruhland, Christopher T., John Knox, Susan Ward, V. J. Agarwal, John Frey, Duane Carrow, Bruce Jones, and James Rife. Alfalfa variety selection for maximum fiber content, protein and nitrogen fixation. Office of Scientific and Technical Information (OSTI), September 2012. http://dx.doi.org/10.2172/1345830.

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Spurgeon, William A. Thickness and Reinforcement Fiber Content Control in Composites by Vacuum-Assisted Resin Transfer Molding Fabrication Processes. Fort Belvoir, VA: Defense Technical Information Center, June 2005. http://dx.doi.org/10.21236/ada436340.

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Rosero, Amparo, Iván Pastrana, Carlos Sierra, José Luis Pérez, Laura Espitia, Remberto Martínez, and Hernando Araujo. Influence of genotype and environment on quality attributes of sweet potato (Ipomea batatas Lam.). Corporación Colombiana de Investigación Agropecuaria - AGROSAVIA, 2018. http://dx.doi.org/10.21930/agrosavia.poster.2018.7.

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Sweetpotato is the fifteenth most important food crop, and third between roots and tubers crops worldwide. Sweet potato crop has the capacity to adapt to different environmental conditions, and expression of quality traits is highly influenced by variety and growth conditions. We evaluate the effect of these factors on quality attributes such as dry matter content (DMC), ash content (AC), crude fiber (CF), total protein content (TPC) and brix grades (°Brix) in order to determine adequate conditions to ensure better quality in sweet potato roots.
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Arkfield, Emily, Emily Hamman, Jordy E. Berger, Roger Johnson, Jennifer Young, John F. Patience, Jack C. M. Dekkers, Nicholas K. Gabler, Steven M. Lonergan, and Elisabeth J. Huff-Lonergan. Diets Differing in Energy and Fiber Content Affected Adipose Tissue Quality of Carcasses from Pigs Divergently Selected for Residual Feed Intake. Ames (Iowa): Iowa State University, January 2014. http://dx.doi.org/10.31274/ans_air-180814-1189.

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Gutierrez, Nestor A., Nick V. L. Serão, Brian J. Kerr, Ruurd T. Zijlstra, and John F. Patience. Identifying Dietary Fiber Components that Best Predict the Digestible and Metabolizable Energy Content in Nine Corn Co-Products Fed to Growing Pigs. Ames (Iowa): Iowa State University, January 2014. http://dx.doi.org/10.31274/ans_air-180814-1363.

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Levin, Ilan, Avtar K. Handa, Avraham Lalazar, and Autar K. Mattoo. Modulating phytonutrient content in tomatoes combining engineered polyamine metabolism with photomorphogenic mutants. United States Department of Agriculture, December 2006. http://dx.doi.org/10.32747/2006.7587724.bard.

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Fruit constitutes a major component of our diet, providing fiber, vitamins, minerals, and many other phytonutrients that promote good health. Fleshy fruits, such as tomatoes, already contain high levels of several of these ingredients. Nevertheless, efforts have been invested in increasing and diversifying the content of phytonutrients, such as carotenoids and flavonoids, in tomato fruits. Increasing levels of phytonutrients, such as lycopene, is highly justified from the perspective of the lycopene extraction industry due to cost effectiveness reasons. Diversifying phytonutrients, in particular those that contribute to fruit color, could potentially provide an array of attractive colors to our diet. Our major goal was to devise a novel strategy for developing tomato fruits with enhanced levels of phytochemicals known to promote good health with special emphasis on lycopene content. A further important goal was to analyze global gene expression of selected genetic lines produced throughout this study in order is to dissect the molecular mechanisms regulating phytonutrients accumulation in the tomato fruit. To achieve these goals we proposed to: 1. combine, by classical breeding, engineered polyamine metabolism with photomorphogenic high pigment mutants in order generate tomato plant with exceptionally high levels of phytonutrients; 2. use gene transfer technology for genetic introduction of key genes that promote phytonutrient accumulation in the tomato fruit, 3. Analyze accumulation patterns of the phytonutrients in the tomato fruit during ripening; 4. Analyze global gene expression during fruit ripening in selected genotypes identified in objectives 1 and 2, and 5. Identify and analyze regulatory mechanisms of chloroplast disassembly and chromoplast formation. During the 3 years research period we have carried out most of the research activities laid out in the original proposal and our key conclusions are as follows: 1. the engineered polyamine metabolism strategy proposed by the US collaborators can not increase lycopene content either on its own or in combination with an hp mutant (hp-2ᵈᵍ); 2. The hp-2ᵈᵍ affects strongly the transcriptional profile of the tomato fruit showing a strong tendency for up- rather than down-regulation of genes, 3. Ontology assignment of these miss-regulated genes revealed a consistent up-regulation of genes related to chloroplast biogenesis and photosynthesis in hp-2ᵈᵍ mutants throughout fruit development; 4. A tendency for up-regulation was also usually observed in structural genes involved in phytonutrientbiosynthesis; however this up-regulation was not as consistent. 5. Microscopic observations revealed a significantly higher number of chloroplasts in pericarp cells of mature-green hp-2ᵈᵍ/hp-2ᵈᵍ fruits in comparison to their normal fully isogenic counterparts. 6. The relative abundance of chloroplasts could be observed from early stages of fruit development. Cumulatively these results suggest that: 1. the overproduction of secondary metabolites, characterizing hp-2ᵈᵍ/hp-2ᵈᵍ fruits, is more due to chloroplast number rather then to transcriptional activation of structural genes of the relevant metabolic pathways, and 2. The molecular trigger increasing metabolite levels in hp-2ᵈᵍ mutant fruits should be traced at early stage of fruit development.
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Wang, Hao, Milad Salemi, Jiaqi Chen, P. N. Balaguru, Jinhao Liang, and Ning Xie. DTPH56-15H-CAP04L An Inorganic Composite Coating for Pipeline Rehabilitation and Corrosion Protection. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2018. http://dx.doi.org/10.55274/r0011991.

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The project aims to address the need for an inorganic coating composite for corrosion protection of pipelines in an aggressive environment. The inorganic coating does not generate CO2 emission or volatile organic content (VOC). Inorganic coatings are frequently used in the construction industry as anti-corrosion coatings, which are effective, chemically inert, hard, and thermally stable. In this study, microfiber reinforcement and Nano-modification were used to improve the performance of the inorganic coating system. The research work integrates both laboratory testing and numerical simulations. The major tasks conducted are 1) development of an inorganic coating with Nano modification; 2) accelerated corrosion testing; 3) durability and adhesion strength testing; 4) shear testing of coating with carbon fiber reinforced polymer (CFRP), and 5) analytical study of composite repair system of the pipeline.
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Upadhyaya, Shrini K., Abraham Shaviv, Abraham Katzir, Itzhak Shmulevich, and David S. Slaughter. Development of A Real-Time, In-Situ Nitrate Sensor. United States Department of Agriculture, March 2002. http://dx.doi.org/10.32747/2002.7586537.bard.

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Although nitrate fertilizers are critical for enhancing crop production, excess application of nitrate fertilizer can result in ground water contamination leading to the so called "nitrate problem". Health and environmental problems related to this "nitrate problem" have led to serious concerns in many parts of the world including the United States and Israel. These concerns have resulted in legislation limiting the amount of nitrate N in drinking water to 10mg/g. Development of a fast, reliable, nitrate sensor for in-situ application can be extremely useful in dynamic monitoring of environmentally sensitive locations and applying site-specific amounts of nitrate fertilizer in a precision farming system. The long range objective of this study is to develop a fast, reliable, real-time nitrate sensor. The specific objective of this one year feasibility study was to explore the possible use of nitrate sensor based on mid-IR spectroscopy developed at UCD along with the silver halide fiber ATR (i.e. attenuated total internal reflection) sensor developed at TAU to detect nitrate content in solution and soil paste in the presence of interfering compounds. Experiments conducted at Technion and UCD clearly demonstrate the feasibility of detecting nitrate content in solutions as well as soil pastes using mid-IR spectroscopy and an ATR technique. When interfering compounds such as carbonates, bicarbonates, organic matter etc. are present special data analysis technique such as singular value decomposition (SYD) or cross correlation was necessary to detect nitrate concentrations successfully. Experiments conducted in Israel show that silver halide ATR fiber based FEWS, particularly flat FEWS, resulted in low standard error and high coefficient of determination (i.e. R² values) indicating the potential of the flat Fiberoptic Evanescent Wave Spectroscopy (FEWS) for direct determinations of nitrate. Moreover, they found that it was possible to detect nitrate and other anion concentrations using anion exchange membranes and M1R spectroscopy. The combination of the ion-exchange membranes with fiberoptices offers one more option to direct determination of nitrate in environmental systems.
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