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Journal articles on the topic 'Fiber-derived value'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Fatriasari, Widya, Ratih Damayanti, and Anita Sita Heris. "FIBER QUALITIES OF PRETREATED BETUNG BAMBOO (Dendrocalamusasper) BY MIXED CULTURE OF WHITE-ROT FUNGI WITH RESPECT TO ITS USE FOR PULP/PAPER." JOURNAL OF FORESTRY RESEARCH 10, no. 2 (2013): 89–99. https://doi.org/10.20886/ijfr.2013.10.2.89-99.

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Previous research on anatomical structures of pretreated large (<em>betung</em>) bamboo (<em>Dendrocalamusasper</em>) using single culture of white-rot fungi has been investigated, which revealed that the pretreatment caused the decrease in the Runkel ratioas well as the coefficient rigidity and the increase in the flexibility ratio of their corresponding bamboo fibers. However, there is no study reported on the anatomical structure changes of them caused by pretreatment using mixed culture of white-rot fungi. This paper reports the results of the research on paper/pulp quality after different

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Lestari, Dini, Rima Vera Ningsih, and Fauzan Fahrussiam. "Anatomical Properties and Quality of African Wood Fiber as A Raw Material for Pulp and Paper." PERENNIAL 19, no. 2 (2023): 17–22. https://doi.org/10.24259/perennial.v19i2.31192.

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Nowdays, there is growing interested in development of afrika wood utilization. Afrika wood is one fast growing species from plantation forest. The objective of this research was to evaluated of characterization of afrika fiber for pulp and paper production. Anatomical properties of afrika wood were also investigated. Determination of characterization of fiber dimension was conducted based on Tappi (1989). The resulted showed that afrika wood have type of porous namely soliter and radial multiple porous. The parenchyma and ray characters were paratracheal parenchyma confluent and multiseriate

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Buzzanca, Carla, Angela D’Amico, Enrica Pistorio, Vita Di Stefano, and Maria Grazia Melilli. "Carob-Based Functional Beverages: Nutritional Value and Health Properties." Beverages 11, no. 1 (2024): 1. https://doi.org/10.3390/beverages11010001.

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Functional carob beverages have recently attracted consumer attention as a natural and sustainable alternative due to their excellent nutritional profile and associated health benefits. Derived from the pods of the carob tree (Ceratonia siliqua L.), which thrives in Mediterranean regions, these beverages are naturally sweet, caffeine-free, and rich in bioactive compounds, including polyphenols, dietary fiber, and essential minerals. This review highlights the nutritional composition of carob beverages, noting their high fiber content, antioxidant capacity, and lack of stimulating alkaloids, ma

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Iriondo-DeHond, Amaia, Maria Belen Rios, Teresa Herrera, et al. "Coffee Silverskin Extract: Nutritional Value, Safety and Effect on Key Biological Functions." Nutrients 11, no. 11 (2019): 2693. http://dx.doi.org/10.3390/nu11112693.

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This study aimed to complete the scientific basis for the validation of a coffee silverskin extract (CSE) as a novel food ingredient according to European legislation. Nutritional value, safety, effects on biochemical biomarkers and excretion of short chain fatty acids (SCFAs) in vivo of CSE were assessed. Proteins, amino acids, fat, fatty acids, fiber, simple sugars and micronutrients were analyzed. For the first time, toxicological and physiological effects were evaluated in vivo by a repeated-dose study in healthy Wistar rats. Hormone secretion, antioxidant (enzymatic and no-enzymatic) and

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Diva, Diva Akbar. "Effect of Areca Nut Fiber and Pineapple Leaf Fibers and Polyester Composition on Mechanical Properties of Composite." Journal of Renewable Energy and Mechanics 7, no. 02 (2024): 100–107. http://dx.doi.org/10.25299/rem.2024.18455.

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The Effect of Areca Nut Fiber and Pineapple Leaf Fibers and Polyester Composition on Mechanical Properties of Composite Diva Akbar*, Dody Yulianto Mechanical Engineering Study Program, Faculty of Engineering, Islamic University of Riau Jl. Kaharuddin Nasution Km 11 No.113 Perhentian Marpoyan, Pekanbaru Telp. 0761 – 674635 Fax. (0761) 674834 Email : divaakbar@student.uir.ac.id ABSTRACT Areca nut fiber and pineapple leaf fiber are types of fiber derived from natural fibers that are interesting to research as composite reinforcing fibers because currently they are very abundantly available. This

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Boonpitaksakul, Wisanee, Korawit Chitbanyong, Buapan Puangsin, Sawitree Pisutpiched, and Somwang Khantayanuwong. "Natural fibers derived from Coi (Streblus asper Lour.) and their behavior in pulping and as paper." BioResources 14, no. 3 (2019): 6411–20. http://dx.doi.org/10.15376/biores.14.3.6411-6420.

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The Siamese people utilized the bark of the Coi tree (Streblus asper Lour.) to manufacture paper approximately 330 years ago. However, there are no studies yet related to the chemical properties of Coi bark as well as the morphological properties of Coi bark fiber and Coi pulp fiber. This research paper discussed such properties of Coi bark. The results indicated that Coi bark possessed a chemical composition that could potentially be used for pulp production, although it contained a high value of ash content, due to many calcium particles in the bark. Even though Coi pulp fibers were very lon

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Essiambre, R. J., and R. Vallée. "Pulse compression, shaping, and pedestal suppression using a nonlinear twin-core fiber in a loop configuration." Canadian Journal of Physics 71, no. 1-2 (1993): 11–19. http://dx.doi.org/10.1139/p93-003.

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We propose a new fiber device, involving a nonlinear twin-core fiber in a fiber-loop reflector configuration, achieving several all-optical operations. By varying the disperson parameter β2, we generate quasi-square pulses in the positive dispersion regime and produce compressed and pedestal-free pulses (in one pass) in the anomalous dispersion regime. The stability of these phenomena under a change of β2 is also studied. A scale invariance is derived that permits operation of the device at any desired value of β2 simply by changing its length.

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Bastias-Montes, José-Miguel, María-Fernanda Orrego-Aguilera, Francisca-Jesus Ortiz-Espinoza, Jaime-Alejandro Ortiz-Viedma, and Sergio-Miguel Acuña-Nelson. "Cookies Enriched with Maqui (Aristotelia chilensis (Mol.) Stuntz) Flour: Good Source of Dietary Fiber and Antioxidant Capacity." Journal of Food Processing and Preservation 2023 (June 16, 2023): 1–9. http://dx.doi.org/10.1155/2023/2144394.

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Byproducts derived from the agricultural industry and food processing, such as seeds and skin or husks, have become important due to environmental sustainability and their value-added potential. Maqui (Aristotelia chilensis (Mol.) Stuntz) is a native Chilean wild tree that has several beneficial properties due to its high content of anthocyanins, anthocyanidins, phenolic acids, tannins, and fiber. The present study involved flour derived from maqui byproducts (seeds and skin) to produce cookies with a higher content of nutrients, dietary fiber, and antioxidants. Maqui bagasse was converted int

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Supriyati, Wahyu, Herianto, Alpian, Herianto, and Gimson Luhan. "The Effect of NaOH Concentration and Cooking Time on The Fiber Dimensions and Derived Values of Tabulus Wood (Litsea sp.)." IOP Conference Series: Earth and Environmental Science 1421, no. 1 (2024): 012020. https://doi.org/10.1088/1755-1315/1421/1/012020.

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Abstract It is necessary to study the dimensions of the fiber in relation to the influence of NaOH concentration and cooking time on fiber dimensions and derived values. This research aims to determine the fiber dimensions and derivative values of Tabulus wood fibers, as well as the effect of NaOH concentration and pulp cooking time in the cold soda pulping process of Tabulus wood pulp fibers. The testing follows IAWA guidelines. A completely randomized design was used to analyze the effect of NaOH concentration and cooking time on fiber dimensions. The results indicate that Tabulus wood fiber

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Caffaro, M. A. Grado, and M. Grado Caffaro. "New Results on Bandwidth of GaAs PIN Photodiodes." Active and Passive Electronic Components 16, no. 1 (1993): 23–27. http://dx.doi.org/10.1155/1993/31810.

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In this paper an equivalent circuit of a GaAs PIN photodiode for the millimeter wave range is proposed. Moreover, an approximate expression for the bandwidth of this circuit is obtained. By using the effective quality factor concept, an equation that includes the value of a hypothetical resistance involved in the circuit mentioned above, is derived. In the context of fiber optic communications, this "resistance" represents the losses due to the fiber-photodiode coupling.

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Li, Yan Ru, Zhong Qing Cheng, and Hai Bo Jiang. "Internal Stress Calculations of Continuous Fiber Reinforced Composites under Transverse Loads." Advanced Materials Research 750-752 (August 2013): 24–27. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.24.

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The internal stress calculation of continuous fiber reinforced composites under transverse loads is a complex problem. This paper established a stress calculation model based on "equal strain method", which greatly simplify the formula derivation. Three internal stress formulas under the transverse loads were derived based on the model. The first is the fiber stress formula, which shows that the ratio of fiber stress to load gradually decreases with increasing of fiber volume fraction. The second is the matrix stress formula, which shows the ratio of matrix stress to load gradually increases w

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Fischbach, Conrad W. P., Michael F. Zaeh, and Martin Mair. "Identifying the Benefits of Fiber Reinforced Plastics for Their Use in Machine Tool Structures." International Journal of Automation Technology 9, no. 6 (2015): 731–38. http://dx.doi.org/10.20965/ijat.2015.p0731.

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Machine tool structures are usually caught in the dichotomies of mass, static rigidity, working area, and dynamic rigidity. This dichotomies are mainly dependent on the mass specific stiffness of the structure material. Fiber reinforced plastics can offer a significantly higher mass specific stiffness than steel can and are therefore able to mollify this dichotomies for machine tool structures. The challenge the machine tool industry faces, though, is the high price of those suitable fiber reinforced plastics, such as carbon fiber reinforced plastics. The price is significantly higher compared

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Lin, Bey-Chi. "Rearrangeable Nonblocking Conditions for Four Elastic Optical Data Center Networks." Applied Sciences 10, no. 21 (2020): 7428. http://dx.doi.org/10.3390/app10217428.

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Four variants of elastic optical data center network (DCN) architectures based on optical circuit switching were proposed in an earlier study. The necessary and sufficient values of frequency slot units (FSUs) per fiber required for these four DCNs in the sense of there being strictly nonblocking (SNB) were derived, but no results in the sense of being rearrangeable nonblocking (RNB) were presented. In reality, only limited bandwidths are available, and reducing the value of FSUs per fiber has become a critical task to realize nonblocking optical DCN architectures in practice. In this paper, w

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Yalinkilic, Baris, and Ayhan Cigdem. "Effects of Various Citrus Fiber Coatings on the Color, Texture, and Sensory Properties of Chicken Nuggets." International Journal of Gastronomy Research 3, no. 1 (2023): 17–23. http://dx.doi.org/10.56479/ijgr-37.

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Wastes from the fruit juice industry are sources rich in functional compounds like dietary fiber. The present study aimed to investigate the suitability of dietary fibers derived from the orange, lemon, and grapefruit juice production wastes in the production of chicken nuggets as a coating material. In the control group, nugget samples were coated with breadcrumbs. Obtained chicken nuggets were analyzed for color, texture, pH, and sensory properties. The results indicated that the use of dietary fiber from different sources had a statistically significant effect on the pH and L*, a*, and b* v

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Shen, Jun, and Huai Qin Xie. "Study on Reliability Design of Fiber Wound Reinforced Plastics Pressure Vessel." Key Engineering Materials 353-358 (September 2007): 1239–42. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.1239.

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To meet the high reliability of structural design and safety evaluation on carbon fiber wound reinforced polymeric (CFWRP) pressure vessel, the traditional safety factor design was substituted by reliability design based on the reliability theory and statistical principle. Eight CFWRP pressure vessels were manufactured with the same material system by the same winding technique. And experiments were conducted to obtain the probabilistic distributions of design variables. Results derived from reliability design (fiber thickness) agreed well with experimental results and were much lower than tha

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Lamesa, Abara, and Bekele Tsegaye. "Evaluation of fiber characteristics and basic density of Acacia melanoxylon (R.Br.) grown in Ethiopia for pulp and paper making." Annals of Civil and Environmental Engineering 6, no. 1 (2022): 053–61. http://dx.doi.org/10.29328/journal.acee.1001041.

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The fiber characteristics and basic density of Acacia melanoxylon were investigated for its potential as a raw material for pulp and paper production. Six trees from the even-aged stand and similar diameter class were selected randomly from the Chencha district of Ethiopia. Wood disks were systematically cross-cut from a log along tree height levels, at the bottom (10%), middle (50%) and top (90%) of the merchantable height and blocks of wood (2 cm x 2 cm x 2 cm) were taken from pith to periphery at near pith (10%), middle (50%) and near bark (90%) of disk radius. Fiber maceration and basic de

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Członka, Sylwia, Anna Strąkowska, and Agnė Kairytė. "Coir Fibers Treated with Henna as a Potential Reinforcing Filler in the Synthesis of Polyurethane Composites." Materials 14, no. 5 (2021): 1128. http://dx.doi.org/10.3390/ma14051128.

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In this study, coir fibers were successfully modified with henna (derived from the Lawsonia inermis plant) using a high-energy ball-milling process. In the next step, such developed filler was used as a reinforcing filler in the production of rigid polyurethane (PUR) foams. The impact of 1, 2, and 5 wt % of coir-fiber filler on structural and physico-mechanical properties was evaluated. Among all modified series of PUR composites, the greatest improvement in physico-mechanical performances was observed for PUR composites reinforced with 1 wt % of the coir-fiber filler. For example, on the addi

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Kamali, Roya, Eugene Kwan, Misha Regouski, et al. "Contribution of atrial myofiber architecture to atrial fibrillation." PLOS ONE 18, no. 1 (2023): e0279974. http://dx.doi.org/10.1371/journal.pone.0279974.

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Background The role of fiber orientation on a global chamber level in sustaining atrial fibrillation (AF) is unknown. The goal of this study was to correlate the fiber direction derived from Diffusion Tensor Imaging (DTI) with AF inducibility. Methods Transgenic goats with cardiac-specific overexpression of constitutively active TGF-β1 (n = 14) underwent AF inducibility testing by rapid pacing in the left atrium. We chose a minimum of 10 minutes of sustained AF as a cut-off for AF inducibility. Explanted hearts underwent DTI to determine the fiber direction. Using tractography data, we cluster

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Zhao, Cong, Bendong Wang, and Jun Xiao. "Macroscopic characterization of fiber micro-buckling and its influence on composites tensile performance." Journal of Reinforced Plastics and Composites 36, no. 3 (2016): 196–205. http://dx.doi.org/10.1177/0731684416678670.

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As one of the most common defects induced by Automated Fiber Placement, in-plane fiber micro-buckling is characterized by a macroscopic value and its influence on composites tensile properties are studied in this article. The mathematical relationship between fiber microscopic distribution and geodesic curvature of non-geodesic fiber path is derived. Influences of in-plane fiber micro-buckling on tensile properties are analyzed by off-axis tensile theory and finite element analysis, and verified by experiments. Actual fiber microscopic distribution of in-plane fiber micro-buckling shows that i

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Kim, Chan-Jung. "Relationship between Structural Stiffness and Viscous Damping Coefficient in Reinforced Carbon Structure under Varying Carbon Fiber Angles." Crystals 11, no. 10 (2021): 1252. http://dx.doi.org/10.3390/cryst11101252.

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A linearized dynamic model of a carbon-fiber-reinforced plastic (CFRP) structure can be formulated using the structural stiffness and viscous damping coefficient. The carbon fiber angle is an influential factor in determining the structural stiffness of CFRP structures by serially combining the stiffness of a binding matrix and that of a carbon fiber. The viscous damping coefficient of the CFRP structure is also highly sensitive to the carbon fiber angle; that is, it assumes a parallel series between the damping coefficient of the binding matrix and that of the carbon fiber. In this study, a s

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Kamaliah, Kamaliah. "Variasi Sifat Makroskopis dan Mikroskopis Pelepah Kelapa Sawit." Daun: Jurnal Ilmiah Pertanian dan Kehutanan 3, no. 2 (2016): 63–71. http://dx.doi.org/10.33084/daun.v3i2.147.

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Macroscopic characteristics of palm oil, the colors green and yellow midrib, including coarse texture, have the impression conjecture include rough, fibrous fiber direction straight, belongs to a class of light wood. Frond palm oil when used as a raw material for making paper will produce paper with tensile strength, the strength of folding and bursting strength which is quite high when seen from the results of standardized physical properties of pulp, because it includes quality class II, and the results of variance treatment fronds of palm aged < 5 years and palm fronds aged > 5 years

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Tyas Istikowati, Wiwin, Sunardi, Budi Sutiya, et al. "CHEMICAL CONTENT AND ANATOMICAL CHARACTERISTICS OF SAGO (Metroxylon sagu Rottb.) FROND FROM SOUTH KALIMANTAN, INDONESIA." Indonesian Journal of Forestry Research 10, no. 2 (2023): 185–94. http://dx.doi.org/10.59465/ijfr.2023.10.2.185-194.

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This research aims to evaluate the suitability of sago palm waste as a fiber raw material in terms of its chemical content and anatomical characteristics. The chemical content analysis of its extractive components, lignin, holocellulose, α-cellulose, and hemicellulose, was carried out using sago frond powder with a size of 40–60 mesh. Subsequently, functional group analysis was performed using Fourier Transform Infra-Red (FTIR), while anatomical characterization was carried out by calculating the fiber length and diameter, lumen diameter, fiber derivative values, and wall thickness using a mic

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Zou, Zhuanyong, Xin Liu, Jiahui Ding, Tanqi Chen, and Xungai Wang. "Activated carbon powder derived from cashmere guard hair." Journal of Industrial Textiles 50, no. 5 (2019): 599–615. http://dx.doi.org/10.1177/1528083719839374.

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Converting waste fiber to high value-added carbonaceous materials has been considered as an effective and affordable route in response to the increasing volume of waste fiber in recent year. In this study, we are the first to prepare activated carbon powder derived from cashmere guard hair as a renewable waste protein fiber, using a chemical activation method at different impregnation ratios of K2CO3/cashmere guard hair char and activation temperatures ranging from 400℃ to 600℃. Characterization of the activated carbon powder was carried out by morphology study, specific surface area study, an

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V. I. SOLOMKA. "APPLICATION AS AN EXTERNAL CARBON FIBER REINFORCEMENT FOR INCREASE CAPACITY CONCRETE SPAN RAILWAY BRIDGES." Bridges and tunnels: Theory, Research, Practice, no. 8 (December 21, 2015): 101–7. http://dx.doi.org/10.15802/bttrp2015/90854.

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Purpose. The study of the effectiveness of carbon fiber as an external reinforcement to enhance the capacity of reinforced concrete spans railway bridges that are in operation for a long time. Methodology. To achieve this goal fulfilled determining carrying capacity of reinforced concrete spans railway bridges by classification. To increase derived classes as external reinforcement used carbon fiber and made UAH. Findings. As a result of the study received classes of reinforced concrete spans railway bridges after amplification of carbon fiber and established the effectiveness of the reinforce

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Wang, Xin Gang, Bin Hu, Yong Lin Liu, and Hui Ming Tang. "Test of Expansive Soil Roadbed Improving with Fiber Materials and Numerical Simulation Analysis." Advanced Materials Research 163-167 (December 2010): 734–39. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.734.

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Based on the characteristics of expansive soil and polyethylene fibers used and researched, relevant data of fiber improving expansive soil are obtained by laboratory soil tests, and the numerical simulation parameters are derived by some formulas, through the useing of Mohr-Coulomb and elasticity constitutive model of the geotechnical professional software FLAC3D, we simulate the effect of polyethylene fibers improving expansive soil. Results of laboratory tests show that polyethylene fibers have visual effects on the compressibility and compression modulus of expansive soil ; Numerical simul

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Kadhim, Firas Jawad, Musab Sabah Abed, and Jwad K. Almusawi. "Feasibility of Strengthening Sandy Soils Using Industry Waste as Geo-Fiber." Civil and Environmental Engineering 19, no. 2 (2023): 649–61. http://dx.doi.org/10.2478/cee-2023-0059.

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Abstract Re-using waste generated from daily domestic usage to improve weak soils such as dune sand gives a profitable solution to both environment and the construction sector. In this paper, weak sandy soil was modified with two types of fibers derived from daily domestic use. Plastic bottle waste fiber and tainted polypropylene sediment filter fiber were embedded in the sandy soil with a rate of (0.5%,1%,1.5%, and 2%) by weight of dry soil. Toward this, the direct shear test was conducted to confirm the optimum fiber content and evaluate other parameters such as shear strength, normalized ul

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Indrayani, N. L., R. Sadiana, F. D. Ekawati, Y. Handoyo, H. Maulana, and D. N. Dayana. "Experimental study of variations in fiber types and volume fractions of unsaturated polymer resin (UPR) composites on the mechanical and physical properties of the material." BIS Energy and Engineering 1 (November 10, 2024): V124019. https://doi.org/10.31603/biseeng.59.

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Biocomposites are a specific type of material derived from organic sources that exhibit enhanced biodegradability when they are discarded as waste. The utilization of biocomposites in various products can significantly contribute to waste reduction. This study focuses on the development of biocomposite materials using two different types of fibers, namely palm tree fiber and sea pandanus fiber, in combination with an Unsaturated Polymer Resin (UPR) matrix and varying volume fractions. The fabrication process involves creating four different types of specimens with distinct volume fractions: 5%

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Yadav, Ronak, Dheerendra Kumar, and Tabassum Ansari. "Wood Fiber Characteristics of Underutilized Poplar Species and Comparision with P. deltoides in Terms of their Pulp and Paper Quality." Journal of Biomedical Research & Environmental Sciences 3, no. 12 (2022): 1433–39. http://dx.doi.org/10.37871/jbres1617.

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The pulp and Paper industries are growing at a tremendous rate. To satisfy the raw material supply and sustainability of their future industries need an alternative resource from fast-growing tree species. Poplar is one of the world’s fastest-growing lightwood trees with its used in several industries. The present work relies on the comparative fiber morphological dimensions of four species of poplar i.e. Populus alba L, Populus ciliata Wall. ex Royle, Populus euphratica Oliv, and Populus nigra L. The quality of pulp and paper was directly related to the fiber dimensions i.e., fiber length, fi

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Ronak, Yadav. "Wood Fiber Characteristics of Underutilized Poplar Species and Comparision with P. deltoides in Terms of their Pulp and Paper Quality." J Biomed Res Environ Sci 3, no. 11 (2022): 1433–39. https://doi.org/10.37871/jbres1617.

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The pulp and Paper industries are growing at a tremendous rate. To satisfy the raw material supply and sustainability of their future industries need an alternative resource from fast-growing tree species. Poplar is one of the world’s fastest-growing lightwood trees with its used in several industries. The present work relies on the comparative fiber morphological dimensions of four species of poplar i.e. Populus alba L, Populus ciliata Wall. ex Royle, Populus euphratica Oliv, and Populus nigra L. The quality of pulp and paper was directly related to the fiber dimensions i.e., fiber leng

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Nadliroh, Kuni, Ah Sulhan Fauzi, and Miftakhul Maulidina. "Analisis Kalor Bioetanol Berbahan Dasar Sabut Kelapa." Jurnal Mesin Nusantara 5, no. 2 (2023): 182–88. http://dx.doi.org/10.29407/jmn.v5i2.19006.

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Bioethanol is an alternative fuel that can be used as a substitute for fuel. Bioethanol can be produced from the fermentation of sugar from carbohydrates or sugar. The content of bioethanol that can be used as fuel has a minimum alcohol content of 10%. This research is a follow-up study from previous research regarding the manufacture of bioethanol made from young coconut ice seller waste, namely coconut fiber. Where the result of the result of the research is that the resulting bioethanol contains quite a lot of alkohol. The waste of young coconut ice sellers can produce bioethanol produced f

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Stulpinas, Rokas, Mindaugas Morkunas, Allan Rasmusson, et al. "Improving HCC Prognostic Models after Liver Resection by AI-Extracted Tissue Fiber Framework Analytics." Cancers 16, no. 1 (2023): 106. http://dx.doi.org/10.3390/cancers16010106.

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Despite advances in diagnostic and treatment technologies, predicting outcomes of patients with hepatocellular carcinoma (HCC) remains a challenge. Prognostic models are further obscured by the variable impact of the tumor properties and the remaining liver parenchyma, often affected by cirrhosis or non-alcoholic fatty liver disease that tend to precede HCC. This study investigated the prognostic value of reticulin and collagen microarchitecture in liver resection samples. We analyzed 105 scanned tissue sections that were stained using a Gordon and Sweet’s silver impregnation protocol combined

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Li, Qian, David A. Dillard, and Romesh C. Batra. "Constitutive Relation for Large Deformations of Fiber-Reinforced Rubberlike Materials with Different Response in Tension and Compression." Tire Science and Technology 44, no. 1 (2016): 51–72. http://dx.doi.org/10.2346/tire.16.440104.

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ABSTRACT Fiber-reinforced rubberlike materials commonly used in tires undergo large deformations and exhibit different responses in tension and compression along the fiber direction. Assuming that the response of a fiber-reinforced rubberlike material can be modeled as transversely isotropic with the fiber direction as the axis of transverse isotropy, we express the stored energy function in terms of the five invariants of the right Cauchy-Green strain tensor and account for different response in tension and compression along the fiber direction. The constitutive relation accounts for both mat

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Yuanita, Evana, Yuli Amalia Husnil, Myrna Ariati Mochtar, Rahma Lailani, and Mochamad Chalid. "The Effect of Alkalization Treatment on Fiber-Matrix Compatibility in Natural Fiber Reinforced Composite." Key Engineering Materials 847 (June 2020): 28–33. http://dx.doi.org/10.4028/www.scientific.net/kem.847.28.

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This work was aimed to investigate the effect of alkalization treatment on the fiber-matrix interfacial interaction and hence their compatibility. Kenaf fiber was treated using a 6% NaOH solution for 8 hours. The composites were produced by mixing the treated fiber with PP at various temperatures, duration, and fiber composition. Alteration on the surface chemistry of the fiber was identified by performing FTIR analysis. The surface energy of the treated fiber was mathematically derived from the contact angle measurement results. The compatibility level between treated fiber and PP matrix was

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Snyder, G. K. "Model analyses of capillary growth and tissue oxygenation during hypoxia." Journal of Applied Physiology 65, no. 5 (1988): 2332–36. http://dx.doi.org/10.1152/jappl.1988.65.5.2332.

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Theoretical analyses were used to determine whether capillary growth is an adaptive response to hypoxia. Parameter values were obtained from models of transverse sections of muscles in which individual fibers were distributed in square-ordered arrays and capillaries were added to the perimeters of individual fibers in the arrays. Increasing the number of capillaries up to 2.0 per fiber increased hypoxic tolerance by 157% above that expected for a Krogh cylinder. However, increasing the number of capillaries from 2.0 to 4.0 per fiber increased hypoxic tolerance by only 18% and, assuming the ent

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Rahmadhia, Safinta Nurindra, Denna Rianda Toni, and Aprilia Fitriani. "PHYSICAL CHARACTERISTICS OF KEPOK BANANA BUD (Musa paradisiaca Linn.) FLAKES WITH VARIATIONS OF MOCAF FLOUR." Jurnal Keteknikan Pertanian 12, no. 1 (2024): 77–92. http://dx.doi.org/10.19028/jtep.012.1.77-92.

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Yellow Kepok banana buds (KBB) are well-known for their high dietary fiber content and prospective use as functional food additives. High fiber consumption has been linked to diabetes prevention. The production of flakes derived from KBB has the potential to facilitate individuals in incorporating high-fiber food items into their daily diets. Nevertheless, the utilization of just Yellow KBB flour yields flakes that are deemed undesirable by consumers due to their firm consistency and deep hue. The substitution of Yellow KBB flour with a combination of wheat flour and mocaf has the potential to

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Wu, Meiqin, Jingye Jin, Jin Zhang, and Fumei Wang. "Calculation method of a random beard fibrogram based on the derived Kubelka–Munk theory." Textile Research Journal 89, no. 12 (2018): 2281–93. http://dx.doi.org/10.1177/0040517518790969.

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The random beard image method is a newly developed fiber length measurement method with the advantages of speed, reliability and low cost. This paper proposed the methods of acquiring an accurate and stable fibrogram from the transmission image with the random beard image method based on the derived Kubelka–Munk theory. In the dual-beard preparation process, the optical properties of the short fiber region in the beard were changed by the napping effect. To solve this problem, an imitating experiment with five types of wool fibers was designed to obtain the optical coefficient of the maximum v

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Matsuda, Tetsuya, Jin Toyomura, Tsubasa Ogaki, and Masahiro Arai. "Two-Scale Analysis of Thermal Behavior of CFRP Laminates Based on a Thermoelastoviscoplastic Homogenization Theory." Key Engineering Materials 725 (December 2016): 433–38. http://dx.doi.org/10.4028/www.scientific.net/kem.725.433.

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In this study, a two-scale thermoelastoviscoplastic analysis method for carbon fiber-reinforced plastic (CFRP) laminates is proposed based on a homogenization theory for time-dependent composites. For this, macroscopic and microscopic boundary value problems for CFRP laminates are derived to discuss the relation between the two problems. Using the relation, a two-scale thermoelastoviscoplastic analysis method is constructed, and then applied to the analysis of thermal behavior of an unsymmetric cross-ply carbon fiber/epoxy laminate. The laminate is subjected to a macroscopic temperature change

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Stienen, G. J., M. C. Roosemalen, M. G. Wilson, and G. Elzinga. "Depression of force by phosphate in skinned skeletal muscle fibers of the frog." American Journal of Physiology-Cell Physiology 259, no. 2 (1990): C349—C357. http://dx.doi.org/10.1152/ajpcell.1990.259.2.c349.

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The relation between isometric force and phosphate concentration in skinned skeletal muscle fibers of the frog is found to depend on fiber size. Force decreased with increasing phosphate concentration, but depression of force in thick fibers was smaller than in thin segments. When the external phosphate concentration was abruptly altered during a sustained contracture, force changed. The half-time of the force change was proportional to the cross-sectional area of the preparation. From this relation, a value for the diffusion constant of phosphate in skinned fibers of 0.9 x 10(-10) m2/s was de

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Baiysbayeva, Meruyet, Auyelbek Iztayev, Galiya Iskakova, et al. "Development of Rye-Wheat Bread Containing Flaxseed Flour and Rice Husk Dietary Fiber." Emerging Science Journal 9, no. 3 (2025): 1209–30. https://doi.org/10.28991/esj-2025-09-03-05.

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The study aims to improve the nutritional and biological value of rye-wheat bread by incorporating defatted flaxseed flour and dietary fiber from rice husks. Conducted in two stages, the research first introduced defatted flaxseed flour into bread formulations at 5–20% of wheat flour weight. In the second stage, rice husk-derived dietary fibers were added in powdered form at 0.3–0.7% of the total rye-wheat flour mass. The effects of these additives on dough's physicochemical and rheological properties were analyzed. Results indicated that adding flaxseed flour and dietary fibers produced mediu

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Rochana, Ana, Nyimas Popi Indriani, Rachmat Wiradimadja, et al. "Cassava Forage (Manihot esculenta Crantz) Ruminant Feed Nutritional Value at Altitudes in the West Java." Biosciences Biotechnology Research Asia 15, no. 4 (2018): 871–75. http://dx.doi.org/10.13005/bbra/2696.

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Cassava leaves as a source of high protein for ruminants and high potential was necessary to be explored as a feed. The cassava leaves was suitable for farmers because its availability was quite a lot, especially during cassava harvest. The purpose of this study was to determine the content of cassava leaf substances grown at various altitudes in the West Java. The study was conducted from May to June, 2016. Determination of area (village) was based on the number of cattle in the area. The sampling was done in stages (multistage sampling) to get secondary data. Selected villages were taken six

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Sun, Yu, and Yuguo Sun. "Strong and Thermostable Boron-Containing Phenolic Resin-Derived Carbon Modified Three-Dimensional Needled Carbon Fiber Reinforced Silicon Oxycarbide Composites with Tunable High-Performance Microwave Absorption Properties." Applied Sciences 10, no. 6 (2020): 1924. http://dx.doi.org/10.3390/app10061924.

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This paper focuses on the preparation of boron-containing phenolic resin (BPR)-derived carbon modified three-dimensional (3D) needled carbon fiber reinforced silicon oxycarbide (SiOC) composites through a simple precursor infiltration and pyrolysis process (PIP), and the influence of PIP cycle numbers on the microstructure, mechanical, high-temperature oxidation resistance. The electromagnetic wave (EMW) absorption properties of the composites were investigated for the first time. The pyrolysis temperature played an important role in the structural evolution of the SiOC precursor, as temperatu

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Prabangkara, Ramadhana Luhur, and Sugeng Hadi Susilo. "Exploring the Potential of Ramie Fiber Composites as Eco-friendly Materials for Medical Prostheses." Asian Journal Science and Engineering 2, no. 1 (2023): 1. http://dx.doi.org/10.51278/ajse.v2i1.677.

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The insect Callosobruchus maculatus, is responsible for serious damages in the storage of grains of diverse cultures, among them, the one of the beans. Therefore the development of substances capable of being an alternative to minimize agricultural losses and thus contribute to food security of the population is a current necessity.This research aims to explore new materials derived from natural fibers for the development of environmentally friendly and recyclable medical devices, particularly prostheses. The focus is on utilizing ramie fiber, a natural fiber, as a substitute for artificial fi

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Lydiasari, Henny, Ari Yusman Manalu, and Rahmi Karolina. "APPLICATION OF OIL PALM EMPTY FRUIT BUNCH FIBERS IN STRENGTH IMPROVEMENT AS A FIBER REINFORCED CONCRETE." Jurnal Penelitian Kelapa Sawit 25, no. 3 (2017): 160–70. http://dx.doi.org/10.22302/10.22302/iopri.jur.jpks.v25i3.33.

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The potency of oil palm empty fruit bunches (OPEFB) fibers as one of the by-products of processing oil palm is increasing significantly so that proper management is needed in reducing environmental impact. One of the utilization of OPEFB fibers is as a substitution material in construction which usually the material is derived from non-renewable mining materials so that the number is increasingly limited. Therefore, it is necessary to study to know the performance of OPEFB fiber in making construction products especially concrete. In this case, the experiment was conducted using experimental m

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Lydiasari, Henny, Ari Yusman Manalu, and Rahmi Karolina. "APPLICATION OF OIL PALM EMPTY FRUIT BUNCH FIBERS IN STRENGTH IMPROVEMENT AS A FIBER REINFORCED CONCRETE." Jurnal Penelitian Kelapa Sawit 25, no. 3 (2017): 161–70. http://dx.doi.org/10.22302/iopri.jur.jpks.v25i3.33.

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The potency of oil palm empty fruit bunches (OPEFB) fibers as one of the by-products of processing oil palm is increasing significantly so that proper management is needed in reducing environmental impact. One of the utilization of OPEFB fibers is as a substitution material in construction which usually the material is derived from non-renewable mining materials so that the number is increasingly limited. Therefore, it is necessary to study to know the performance of OPEFB fiber in making construction products especially concrete. In this case, the experiment was conducted using experimental m

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Jana, Soumendu, Swapan Konar, and Manoj Mishra. "Soliton Switching in Fiber Coupler with Periodically Modulated Dispersion, Coupling Constant Dispersion and Cubic Quintic Nonlinearity." Zeitschrift für Naturforschung A 63, no. 3-4 (2008): 145–51. http://dx.doi.org/10.1515/zna-2008-3-405.

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In this paper we present the soliton dynamics in a two port fiber nonlinear directional coupler with periodically modulated dispersion and coupling constant dispersion that arose due to the intermodal dispersion between symmetric and antisymmetric modes of the coupler. The fiber material possessed cubic quintic nonlinearity. The influences of the coupling constant dispersion, periodically modulated dispersion and quintic nonlinearity on the soliton switching dynamics have been comprehensively studied. The expressions for the transmission coefficient, cross talk and extinction ratio have been d

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Coelho, Mariana O. C., Alistair J. Monteyne, Mandy V. Dunlop, et al. "Mycoprotein as a possible alternative source of dietary protein to support muscle and metabolic health." Nutrition Reviews 78, no. 6 (2019): 486–97. http://dx.doi.org/10.1093/nutrit/nuz077.

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Abstract The world’s population is expanding, leading to an increased global requirement for dietary protein to support health and adaptation in various populations. Though a strong evidence base supports the nutritional value of animal-derived dietary proteins, mounting challenges associated with sustainability of these proteins have led to calls for the investigation of alternative, non–animal-derived dietary protein sources. Mycoprotein is a sustainably produced, protein-rich, high-fiber, whole food source derived from the fermentation of fungus. Initial investigations in humans demonstrate

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Norouzi, M., H. Rahmani, and A. K. Birjandi. "A New Exact Analysis for Anisotropic Conductive Heat Transfer in Truncated Composite Spherical Shells." Journal of Mechanics 35, no. 5 (2019): 677–91. http://dx.doi.org/10.1017/jmech.2018.54.

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ABSTRACTIn the present paper, a general analytical solution is proposed for anisotropic heat conduction through truncated composite spherical shells. The solution is so important in designing the spherical vessels which are usually used to store the CNG, LNG, LPG and other petroleum condensates. Herein, it is supposed that the fiber angle of composite laminate is in range of zero to 90 degrees. Heat convection with ambient flow, an external heat radiation, and a possible internal heat generation are modeled within the heat transfer equation. The exact solution is derived using the complex fini

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Lubis, Muhammad Adly Rahandi, Sucia Okta Handika, Rita Kartika Sari, et al. "Modification of Ramie Fiber via Impregnation with Low Viscosity Bio-Polyurethane Resins Derived from Lignin." Polymers 14, no. 11 (2022): 2165. http://dx.doi.org/10.3390/polym14112165.

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The purpose of this study was to prepare low-viscosity lignin-based polyurethane (LPU) resins for the modification of ramie (Boehmeria nivea (L.) Gaudich) fiber via impregnation to improve the fiber’s thermal and mechanical properties. Low-viscosity LPU resins were prepared by dissolving lignin in 20% NaOH and then adding polymeric 4,4-methane diphenyl diisocyanate (pMDI, 31% NCO) with a mole ratio of 0.3 NCO/OH. Ramie fiber was impregnated with LPU in a vacuum chamber equipped with a two-stage vacuum pump. Several techniques such as Fourier-transform infrared (FTIR) spectroscopy, differential

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Dassios, Konstantinos G., and Costas Galiotis. "Direct measurement of fiber bridging in notched glass-ceramic-matrix composites." Journal of Materials Research 21, no. 5 (2006): 1150–60. http://dx.doi.org/10.1557/jmr.2006.0132.

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A novel, high-resolution remote Raman microscope was used for the direct in situ assessment of deformation on bridging fibers in a double-edge-notched SiC-Nicalon reinforced ceramic-glass matrix composite at various stages of monotonic tensile loading. The effect of notch length on the bridging strain profiles obtained by individually probing a large number of fibers across the bridged ligament of the composite was investigated. Bridging strain measurements in the microscale are used to identify the role and sequence of the failure micromechanisms developing within the bridging zone and are co

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Kurniawan, Teguh, and Zulkifli Lubis. "ALTERNATIF PENGGUNAAN SERAT ECENG GONDOK PADA CAMPURAN STONE MATRIX ASPHALT GRADASI HALUS MENINGKATKAN STABILITAS CAMPURAN ASPAL PANAS." UKaRsT 3, no. 1 (2019): 28. http://dx.doi.org/10.30737/ukarst.v3i1.350.

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AbstractRoads are one of the transportation infrastructure that is needed for everyday life so that the road conditions have durability according to the age of the plan. For this reason a technology for road construction that has structural value has been born. Stone Matrix Asphalt (SMA) is a type of hot paved mixture that is used as a surface layer with a number of coating characteristics that can provide benefits for motorists because of its high slip resistance. In this mixture using cellulose fibers derived from water hyacinth to find out whether water hyacinth fiber can be used as a mixtu

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