Relevant bibliographies by topics / Solution color density

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Academic literature on the topic 'Solution color density'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Solution color density"

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Yu.O., Trydub, and .Svechnikova O.M. "DETERMINATION OF FAT-SOLUBLE VITAMINS CONCENTRATIONS IN BIOLOGICAL SOLUTIONS BY COMPUTER EXPRESS-METHOD." Біологія та валеологія, no. 19 (December 12, 2017): 156–65. https://doi.org/10.5281/zenodo.1109133.

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The paper represents the experimental results of elaboration of qualitative method to determine concentrations of vitamins A, D, and E in liquids and biological fluids by aid of computer analysis of visual data. The H.S. Skovoroda’s KNPU Chemistry department staff has been working on a software product for schools under the general name of ―ColorKit‖. The software allows analyzing photo and video files. One of ―ColorKit‖ application directions may be the investigation of liquids and fluids optical densities parameters. Concerning the vitamins solutions, the research primary task was to c
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Rodríguez-Castañeda, Carlos A., Paola M. Moreno-Romero, Claudia Martínez-Alonso, and Hailin Hu. "Microwave Synthesized Monodisperse CdS Spheres of Different Size and Color for Solar Cell Applications." Journal of Nanomaterials 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/424635.

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Monodisperse CdS spheres of size of 40 to 140 nm were obtained by microwave heating from basic solutions. It is observed that larger CdS spheres were formed at lower solution pH (8.4–8.8) and smaller ones at higher solution pH (10.8–11.3). The color of CdS products changed with solution pH and reaction temperature; those synthesized at lower pH and temperature were of green-yellow color, whereas those formed at higher pH and temperature were of orange-yellow color. A good photovoltage was observed in CdS:poly(3-hexylthiophene) solar cells with spherical CdS particles. This is due to the good d
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Sainui, Janya, and Chouvanee Srivisal. "Learning color names using least-squares probabilistic classifiers." Indonesian Journal of Electrical Engineering and Computer Science 31, no. 2 (2023): 866. http://dx.doi.org/10.11591/ijeecs.v31.i2.pp866-875.

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<p>Color name is one of the important features for computer vision. Many existing methods proposed to classify colors into a small number of color names. In this paper, we propose an alternative method with the goal to improve the accuracy for assigning a color name to an object in the given image. We here use the least-squares probabilistic classifiers (LSPC) with the local scaling parameters for solving this task. The benefit of the LSPC is that its solution can be computed analytically so that the obtained solution is global optimum, while the local scaling parameters play an importan
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Janya, Sainui, and Srivisal Chouvanee. "Learning color names using least-squares probabilistic classifiers." Learning color names using least-squares probabilistic classifiers 31, no. 2 (2023): 866–75. https://doi.org/10.11591/ijeecs.v31.i2.pp866-875.

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Color name is one of the important features for computer vision. Many existing methods proposed to classify colors into a small number of color names. In this paper, we propose an alternative method with the goal to improve the accuracy for assigning a color name to an object in the given image. We here use the least-squares probabilistic classifiers (LSPC) with the local scaling parameters for solving this task. The benefit of the LSPC is that its solution can be computed analytically so that the obtained solution is global optimum, while the local scaling parameters play an important role to
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Chesnokova, Natalia, and Egor Ashikhmin. "Ascorbic Acid Influence on the Extraction Intensity of the Anthocyanin Pigment from Black Currant Berries and Its Stability." Food Industry 5, no. 4 (2020): 68–73. http://dx.doi.org/10.29141/2500-1922-2020-5-4-10.

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The article considers the ascorbic acid effect on the extraction rate and stability of anthocyanin pigment exuded from black currant berries. The researchers treated defrosted and crushed black currant berries with 0.2–10.0 % solutions of ascorbic acid at temperatures of 20–90 °C for 5–150 minutes and 100 °C for 2.5 minutes, then filtered the solution out. They determined the color intensity of the solutions by the optical density using spectrophotometer SHIMADZU UV-1800 (Japan). To determine the anthocyanin pigment content, a man diluted samples with solvent system ethanol/water/hydrochloric
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Li, Jiehua, Chuanshan Zhao, Wenjia Han, and Yifei Jiang. "Study on color ink-jet printing paper coating with nano-SiO2 as pigment." E3S Web of Conferences 79 (2019): 01002. http://dx.doi.org/10.1051/e3sconf/20197901002.

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With many years of research, color ink-jet printing technology has reached the requirements of color ink-jet printing. The significance of this experiment is to find a suitable method to improve the quality of color ink-jet printing paper. In this work, the dispersion effect and types of sodium polyacrylate (PAAS) on nano-SiO2 solution are discussed, and the most suitable PAAS dosage is selected. When the dosage of PAAS is 8%, the dispersibility of nano-SiO2 solution is much better, with an average color density of 1.60, a gloss of 59% and an ink absorption value of 10.2 cm. Adhesives also hav
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Lee, Bum-Hoon, Youngman Kim, D. G. Pak, Takuya Tsukioka, and P. M. Zhang. "Gauge invariant gluon spin operator for spinless nonlinear wave solutions." International Journal of Modern Physics A 32, no. 11 (2017): 1750062. http://dx.doi.org/10.1142/s0217751x17500622.

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We consider nonlinear wave type solutions with intrinsic mass scale parameter and zero spin in a pure SU(2) quantum chromodynamics (QCD). A new stationary solution which can be treated as a system of static Wu–Yang monopole dressed in off-diagonal gluon field is proposed. A remarkable feature of such a solution is that it possesses a finite energy density everywhere. All considered nonlinear wave type solutions have common features: presence of the mass scale parameter, nonvanishing projection of the color fields along the propagation direction and zero spin. The last property requires revisio
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Sun, Hong Guang, Kai Li, En Qiang Yin, and Hong Ju Cheng. "Study on Color Management of Digital Proofing." Applied Mechanics and Materials 182-183 (June 2012): 352–56. http://dx.doi.org/10.4028/www.scientific.net/amm.182-183.352.

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The purpose of this experiment was to demonstrate a quality analysis and control method for color management of EPSON 7600 color printer. The parameters of proofs, including solid density, dot gain, gray balance and color gamut were measured, and were compared with the offset quality. The paper put forward a practical solution for editing and optimizing color management and the profiles of devices. At the same time, the effect in Transmission and conversion of color information in standardized color management was analyzed and the evaluation model of color management and profile was establishe
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Azetsu, Akihiko, Ikkei Kitajima, and Kazaki Kuratsuji. "Development of a new visualization technique using photochromism for transport process of lubricating oil around the engine piston." International Journal of Engine Research 20, no. 7 (2018): 777–87. http://dx.doi.org/10.1177/1468087418819229.

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This study proposes and experimentally validates a new method for the visualization of oil film flow. A photochromic dye is dissolved in the oil and an arbitrary spot of an oil film is illuminated with ultraviolet light, which makes a marker in the oil film via a photochromic reaction. The basic principle of the photochromic reaction and its application to flow visualization are described. The color density of the colored solution is quantified based on the absorbance calculated from images taken before and after coloring. The results confirm that the color density is proportional to the oil f
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Isik, Zelal, Bahar Ozbey Unal, Ahmet Karagunduz, Bulent Keskinler, and Nadir Dizge. "Electrochemical Treatment of Textile Dye Bath Wastewater Using Activated Carbon Cloth Electrodes." Avicenna Journal of Environmental Health Engineering 7, no. 1 (2020): 47–52. http://dx.doi.org/10.34172/ajehe.2020.07.

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The performance of electrooxidation (EO) treatment using activated carbon cloth (ACC) electrodes on textile dye bath wastewater was investigated. ACC electrode pairs were used as anode/cathode for EO experiments. The effect of current density (50–150 A/m2), operating time (0–90 minutes), and solution pH (6-11) were tested for removal of chemical oxygen demand (COD), color, and chloride, as well as the changes in conductivity. 95.5% COD and color removal efficiencies were obtained at current density (CD) of 100 A/m2 at solution pH of 10 for 90 minutes. Moreover, the chloride concentration decre
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Books on the topic "Solution color density"

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Akemann, Gernot. Random matrix theory and quantum chromodynamics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198797319.003.0005.

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This chapter was originally presented to a mixed audience of physicists and mathematicians with some basic working knowledge of random matrix theory. The first part is devoted to the solution of the chiral Gaussian unitary ensemble in the presence of characteristic polynomials, using orthogonal polynomial techniques. This includes all eigenvalue density correlation functions, smallest eigenvalue distributions, and their microscopic limit at the origin. These quantities are relevant for the description of the Dirac operator spectrum in quantum chromodynamics with three colors in four Euclidean
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Book chapters on the topic "Solution color density"

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Dalton, David R. "Finishing the Wine." In The Chemistry of Wine. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190687199.003.0030.

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The end of fermentation, signaled by density measurements, the alcohol-driven death of the Saccharomyces cerevisiae strain that was used, the cessation of evolution of carbon dioxide, and the generally accepted passage of the several weeks over which time the fermentation has been permitted to extend, is followed by the previously discussed (Chapter 16) process of racking. The racking, as noted earlier, will separate most of the precipitated solids that are present or have developed during the fermentation process (e.g., accumulated seed and twig pieces not previously removed, insoluble carbox
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Kaur, Harpreet, Taranveer Kaur, Uday Karanbir Singh, Richa Rastogi, and Pushpinder Kaur. "MICROPLASTICS: CHALLENGES, SOLUTIONS AND DETECTION TECHNIQUES." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 24. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs24p2ch3.

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Microplastics are tiny particles that are produced from the splintered waste of plastics dumped into water. Microplastics are easier to absorb by aquatic organisms, because of their smaller particle size and contribute to harmful waste. Due to their widespread availability and high potential for environmental interaction, microplastics damage the biosphere's flora and animals. Microparticles are created when plastics on the water's surface break down mechanically and photochemically due to waves and sunshine, respectively. Microplastics come in a variety of colors and densities depending on th
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Atkins, Peter. "The Death of Metal: Corrosion." In Reactions. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199695126.003.0012.

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As in life, so in redox reactions: some are good and some are bad. Corrosion is one of the evil among redox reactions. It is the unwanted oxidation of a metal that cuts short the lifetimes of steel products such as bridges and vehicles. Replacing corroded metal parts costs industry and society a huge amount each year. Understanding it helps us to find ways to prevent it. Not all corrosion, however, is unwanted: the green patina of copper roofs is often sought and can be beautiful; the induced oxidation of aluminium in the presence of dyes can also be intentional and can bring graceful colour t
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Conference papers on the topic "Solution color density"

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Walker, Julie L., and Stephen A. Benton. "In situ emulsion preswelling for holographic color control." In OSA Annual Meeting. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.tui6.

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Deliberate variations of emulsion thickness between holographic exposures and reconstruction produce a range of output wavelengths from a fixed exposure wavelength, a technique known as pseudocolor multicolor reflection holography. The usual methods require the removal of the film or plate from the holographic setup between exposures for imbibition of a swelling agent, followed by drying and replacement, so that retention of the swelling agent forces a physical increase in the thickness of the emulsion. However, the density (and hence the thickness) of the gelatin binder can also be varied by
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Cho, Myoung-Ock, Sunghee Yoon, and Jung Kyung Kim. "Inkjet Printing of High-Density Bacterial Arrays for Biosensor Applications." In ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13057.

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Inkjet printing technique has been developed and applied in many areas. This rapid and simple technique can dispense small amount of selected material at intended location accurately. Due to these advantages, it has been applied to the field of biology such as tissue engineering and microbiology lately. We developed patterning methods based on inkjet printing technique employing bacteria, and generated two-dimensional bacterial cell array on the agar media using a commercially available thermal inkjet printer reformed partially. In this study, we aimed to apply the inkjet-printed bacterial cel
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Gong, Xiaodong, Yushun Liu, Qian Gong, and Wenhan Liu. "The Design Method of Alarm Information Manifestation Based on Visual Attention." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002189.

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The alarm is a core function of security monitoring information systems. With the characteristics of high information density, strong timeliness, and visual environment interference, the effectiveness of alarm information design is a significant key affecting system performance. The purpose of this paper is to study the design method of alarm information to improve the capture efficiency of users’ visual attention in complex information interfaces. By sorting out related design standards and research literature, this paper identifies 7 current alarm information coding methods. The four most us
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Basilio, E., M. Addassi, T. Truscott, and H. Hoteit. "CO2 Mass Transfer in Porous Media: Implications for Long-Term Carbon Sequestration in Saline Aquifers." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23884-ms.

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Abstract Carbon sequestration in saline aquifers is considered a suitable alternative for reducing anthropogenic carbon dioxide (CO2) emissions into the atmosphere. As supercritical CO2 is injected into the subsurface, its density difference with the residing water causes a CO2 buoyant plume to overlay a water-saturated porous layer. The study of diffusive and convective mechanisms during CO2 sequestration in aquifers is paramount for understanding the effects of solubility trapping to determine the long-term fate of the injected CO2. We studied the CO2 dissolution in aqueous solutions in poro
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Moake, J. L., M. A. Harris, C. E. Whitley, and C. P. Alfrey. "RAPID, SENSITIVE N0N-RADI0ACTIVE QUANTIFICATION AND ANALYSIS OF PLASMA VON WILLEBRAND FACTOR (vWF) MULTIMERS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644085.

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Assessment of plasma vWF abnormalities by clinical coagulation laboratories is difficult because the available test systems for vWF antigen quantification and multimer analysis are expensive, laborious, and require days, radioactive anti-vWF antibodies and autoradiographic methods. We have devised simple, rapid, sensitive alternative techniques for vWF quantification and multimer analysis that can be readily installed in clinical laboratories. Plasma vWF antigen quantification is by a 2 hour enzyme immunoassay that accurately detects levels as low as 0.23% of normal. Plasma vWF to be quantifie
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Tagaev, D. I., and A. F. Seleznev. "Search for The Possible Members of The Open Cluster NGC 3532 With Poor Astrometric Solutions of Gaia DR3." In 52-st All-Russian with international participation student scientific conference "Physics of Space". Ural University Press, 2025. https://doi.org/10.15826/b978-5-7996-3986-0.34.

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The paper estimates the number of stars with poor astrometric solutions that may be members of the NGC 3532. We select such stars by the Gaia photometry using the Hess diagram (the probability density distribution on the color-magnitude diagram). We search for stars that fall in the cluster area of the Hess diagram plotted by probable members of the NGC 3532 cluster from the Hant&Reffert sample. These stars showed a concentration towards the cluster center. We estimated the number of possible cluster members with poor astrometric solutions as 2 150 ± 230 stars. For stars with reliable para
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Mannawadua, M. W. M. K., and V. P. S. Perera. "Efficiency Enhanced by Chelation of Al3+ Metal Ions with Erythrina Fusca Flower Dye Harnessing Bathochromic Shift." In 3rd SLIIT International Conference on Engineering and Technology. SLIIT, 2024. http://dx.doi.org/10.54389/tcwf1244.

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Utilization of natural dyes in dye-sensitized solar cells (DSSCs) presents a sustainable approach towards enhancing photovoltaic efficiency. This study explores the bathochromic shift exhibited by Erythrina fusca (Erabodu) flower dye upon chelation with Al3+ ions, offering an innovative strategy for improving DSSC performance. 20g of chopped flower petals was boiled with 50ml of ethanol until flower petals become pale in colour in the dye extraction process. After that, 0.1 M, AlCl3 solution was added dropwise to 2ml of dye solution until the colour changed to purple. The pH value of Erabadu b
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Jain, Shailendra, Saurin Purohit, Jian Zhang, Mark G. Clemens, and Charles Y. Lee. "Visualization of Endothelial Cell Structure During Machine Perfusion Preservation of Livers." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33072.

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The development of machine perfusion preservation (MPP) of kidney has led to significant improvements and greater success rates in kidney transplantation by providing superior preserved tissue and viable non-heart-beating donor tissue. However, machine perfusion of livers has not been successful in improving preservation. Currently, the major cause of damage associated with MPP of livers remains unclear. Previous studies showed increased vascular resistance and blockages during and after 24hrs MPP but no direct evidence existed. Utilizing a novel two colors fluorophores labeling, an intravital
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Diduk, Iryna, Yurii Chuvashov, Olga Yashchenko, Nataliya Koshelenko, and Ganna Grytsak. "Modification of basalt fibers to improve operational efficiency in aggressive environments." In IXth INTERNATIONAL SAMSONOV CONFERENCE “MATERIALS SCIENCE OF REFRACTORY COMPOUNDS”. Frantsevich Ukrainian Materials Research Society, 2024. http://dx.doi.org/10.62564/m4-id9285.

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The use of basalt fibre as a reinforcing element, including in cement-concrete compositions, is increasing. However, the surface layer of fibers is dissolved during long-term use in the cement matrix, which is associated with cement hydration. Increasing the corrosion resistance of basalt fibers can be achieved by modifying the fibers by heat treatment. The influence of the temperature and processing time of basalt fibers on the chemical stability of fibers in alkaline and acidic environments is studied. For the experiment, fibers with a surface area of 5000 cm2 were taken and kept in solution
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Peral, David, Ahmed Zaid, Christoph Benninghoven, et al. "High-Resolution Thermal Profiling of a Combustor in a Non-Dedicated Test Using Thermal History Coatings." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59687.

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Abstract The requirement for reduced emissions and the growing demand on gas turbine efficiency are in part met through increasing firing temperatures. However, development budgets leave only limited time for dedicated thermal testing. Consequently, manufacturers are seeking novel temperature measurement technologies to validate new engine designs. This paper will demonstrate how a new temperature mapping technology can be utilized for non-dedicated (multi-cycling) testing while still delivering high-resolution temperature data in a non-dedicated test on a combustor of an industrial gas turbin
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Reports on the topic "Solution color density"

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Siripatrawan, Ubonratana. Active Chitosan-Based Film with Antimicrobial Property for Food Packaging Application. Chulalongkorn University, 2010. https://doi.org/10.58837/chula.res.2010.22.

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This research was aimed to develop an active film from chitosan film incorporated with green tea extract to enhance antioxidant and antimicrobial properties in order to be used for food shelf life extension. The experiments were divided into 3 parts. Firstly, chitosan-based film preparation and modification were determined. The results suggested that the optimum chitosan films could be prepared from 2% chitosan in 1% acetic acid. However, the chitosan film was brittle and had low flexibility. Mechanical property of chitosan film was modified by adding different concentrations of glycerol, as a
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Cahaner, Avigdor, Sacit F. Bilgili, Orna Halevy, Roger J. Lien, and Kellye S. Joiner. effects of enhanced hypertrophy, reduced oxygen supply and heat load on breast meat yield and quality in broilers. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7699855.bard.

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Original objectivesThe objectives of this project were to evaluate the growth performance, meat yield and quality attributes of broiler strains widely differing in their genetic potential under normal temperature vs. warm temperature (short and long-term) conditions. Strain differences in breast muscle accretion rate, metabolic responses under heat load and, gross and histopathological changes in breast muscle under thermal load was also to be characterized. BackgroundTremendous genetic progress has been made in broiler chicken growth rate and meat yield since the 1950s. Higher growth rate is
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