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Статті в журналах з теми "Solution color density"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

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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2

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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3

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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

Ocampo-Lazcarro, Xochitl, Ana Gabriela González Gutiérrez, Abraham Sainz Rosales, Alan Plazola Hernández, and Norberto Casillas. "Numerical Simulation of the Electrosynthesis of Br₂ from a Highly Concentrated KBr Solution." ECS Transactions 106, no. 1 (2022): 211–22. http://dx.doi.org/10.1149/10601.0211ecst.

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This work is aimed to investigate the electrolysis of a highly concentrated KBr solution on platinum electrodes to produce Br2(l) in a two-electrode cell without separator. The liquid bromine produced on the anode surface increases the local density up to 212% with respect to the 1 M KBr original solution. This increase in density promotes a natural Br2(l) convection flux toward the bottom of the cell with a Grashof number <1x109. The highly dense, slightly soluble, and stable liquid bromine produced at the anode surface absorbs visible light, it exhibits an intense reddish-brown color at h

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12

Kubo, Minako, Minako Tachiki, Terumasa Mitogawa, et al. "Mechanistic Study on Gold-Like Luster Development of Solution-Cast Oligo(3-methoxythiophene) Film." Coatings 11, no. 7 (2021): 861. http://dx.doi.org/10.3390/coatings11070861.

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Solution-cast coating films of perchlorate-doped oligo(3-methoxythiophene) exhibited a gold-like luster similar to that of metallic gold despite the involvement of no metals. However, the development mechanism of the luster remains ambiguous. To understand the mechanism, we performed scanning electron microscopic analysis, variable-angle spectral reflectance measurements, and ellipsometry measurements on ClO4−-doped oligo(3-methoxythiophene) cast film with a gold-like luster. The results revealed that the lustrous color of the film was not induced by the submicron-sized regular structures (str

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13

Zulaida, Yeni Muriani, Afifah H. Ramadhanisa, and Tri Partuti. "The Effect of Electrolyte Concentration and Electric Current on the Quality of Surface Coloring on Anodized Aluminum." Materials Science Forum 988 (April 2020): 42–47. http://dx.doi.org/10.4028/www.scientific.net/msf.988.42.

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The use of aluminum metal in daily life has widely used coloring techniques to enhance the aesthetic value of the metal. Aluminum anodizing process can produce porous on the metal surface. The formed porous can be used to store and hold the coloring agent to make them more durable. The research intends to observe the coloring characteristics on the aluminum surface influenced by several parameters of the anodizing process, including electrolyte concentration and electric current. In this study the current H2SO4 concentration was used as a variable to improve the quality of staining on anodized

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14

Na, Yang-Key, Kwang-Chul Na, Byeong-Sam Kim, Kyong-Ju Choi, Gil-Ho Shin, and Wol-Soo Kim*. "Effect of Rhodopseudomonas p. on Tree Growth and Fruit Quality of `Niitaka' Pear." HortScience 39, no. 4 (2004): 814E—814. http://dx.doi.org/10.21273/hortsci.39.4.814e.

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The objective of this study was to determine the effect of Rhodopseudomonas p., which isolated from domestic soil on the density of microorganism in soil, leaf and SSC in pear (Pyrus pyrifolia) fruit. The solution of Rhodopseudomonas p. was sprayed over canopy and fertigated around trunk in 12-year-old `Niitaka' pear with Y-training system. The spray and fertigation were performed 11 times at 15-day intervals from 22 Apr. to 22 Sept. with 200 times diluted solution (v/v). The width and length of treated leaf was increased by 1.4 mm and 0.9 mm compared to them of control. There was no differenc

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15

Fang, Qihang, Yafei Song, Keqiang Li, et al. "Evaluate Geometry of Radiance Fields with Low-Frequency Color Prior." Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 2 (2024): 1707–15. http://dx.doi.org/10.1609/aaai.v38i2.27938.

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A radiance field is an effective representation of 3D scenes, which has been widely adopted in novel-view synthesis and 3D reconstruction. It is still an open and challenging problem to evaluate the geometry, i.e., the density field, as the ground-truth is almost impossible to obtain. One alternative indirect solution is to transform the density field into a point-cloud and compute its Chamfer Distance with the scanned ground-truth. However, many widely-used datasets have no point-cloud ground-truth since the scanning process along with the equipment is expensive and complicated. To this end,

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16

Umarkulovna, Usmonjonova Hulkar, Qo’chqor Dodayev, Saida Atkhamova, et al. "Physico-chemical Indicators of food color pigments derived from Ocimum basilicum (Rahon) vegetation." E3S Web of Conferences 539 (2024): 02005. http://dx.doi.org/10.1051/e3sconf/202453902005.

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At this work the physico-chemical Indicators of food color pigments derived from Ocimum basilicum vegetation is presented. This is known that in addition to color pigments, natural food coloring substances contain other biologically active components: vitamins, trace elements, organic acids. The raw material of the plant was extracted for 18 hours and the obtained solution was filtered, solid particles were separated in a centrifuge. The dry matter content of the purified natural dye-preserving solution,pH medium, specific density was determined. The solution was concentrated in a vacuum rotor

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17

Rakhmawati, Handina, Adrian Situmeang, Nurhidayat Nurhidayat, Andri Maruli Tua Lubis, Harry Murti, and Arief Boediono. "Efektivitas Larutan Dekalsifikasi pada Os tibia Domba Garut (Ovis aries) (THE EFFECTIVENESS OF DECALCIFYING SOLUTIONS ON THE TIBIAL OF GARUT SHEEP (OVIS ARIES))." Jurnal Veteriner 20, no. 3 (2019): 403. http://dx.doi.org/10.19087/jveteriner.2019.20.3.403.

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Bone is a tissue that has a density of extracellular matrix structures and composed by organic and inorganic components. Decalcification is a stage that plays an important role in bone histology using various types of solutions. The sample used in this study was lateral condyle from tibia of three garut sheeps (Ovis aries) which had been fixed with 10% Neutral Buffered Formalin (NBF) for 24 hours. Sample were cut into pieces ranging from 1 cm x 1 cm x 1 cm in size, the decalcification using three solutions; 10% nitric acid, 10% EDTA (pH 7.4) and 10% EDTA (pH 7.4) + TBD-1®. The aim of this stud

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18

Chena, Chih-Jung, Kuan-An Chenb, and Ray-Kuang Chianga. "12‐3: Materialization of Mid‐Resolution Quantum Dot Color Converters on G2.5 TFT‐LCD Production Line for Micro‐LED Displays." SID Symposium Digest of Technical Papers 55, no. 1 (2024): 128–31. http://dx.doi.org/10.1002/sdtp.17470.

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This study proposes a mass production solution for quantum dot color converter (QDCC) of mid‐resolution micro‐LED displays. Therefore, a gray bank materials and QD photoresist (PR) with high optical density (OD) and low film thickness were developed. The gray bank materials can achieve OD = 1.08 and a reflectivity of over 25% at a thickness of 4 μm. The red QDPR has OD = 1.93 at 3 μm, and the green QDPR has OD = 1.58 at 3.3 μm. Finally, a 125 PPI and 7‐inch QDCC were fabricated using a G2.5 TFT‐LCD production line, and the optimal material formula and process conditions were determined. Optica

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19

Wiyono, Bambang, and Nurwati Nurwati. "EFFECT OF REMOVING OLEORESIN WITH VARIOUS CHEMICAL COMPOUNDS ON PHYSICAL AND MECHANICAL PROPERTIES OF KERUING WOOD (DIPTEROCARPUS SPP.)." JOURNAL OF FORESTRY RESEARCH 4, no. 1 (2007): 53–60. https://doi.org/10.20886/ijfr.2007.4.1.53-60.

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Keruing  (<em>Dipterocarpus </em>spp.)  was  the  second  important  wood  export of   Indonesia. Unfortunately, this wood contains oleoresin that hinders its utilization. Currently, the method used to remove oleoresin from keruing is by soaking it into bollied sodium salt solution. Result of  this method is unsatisfactory because the residual heavy oleoresin might still appear on the wood surface. The study was conducted to determine suitable chemical compounds for removing oleoresin from keruing, and the effects on physical and mechanical pro

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20

MacLeod, Ian Donald. "Conservation of a museum megamouth shark specimen by changing its preservative from aqueous ethanol to aqueous glycerol." Collection Forum 29, no. 1-2 (2015): 73–89. http://dx.doi.org/10.14351/0831-4985-29.1.73.

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Abstract The Western Australian Museum’s iconic 5.2-m megamouth shark (Megachasma pelagios) was relocated 20 km from Perth to the Maritime Museum in Fremantle for treatment in an exhibition gallery. A 70% ethanol solution was diluted to 16% before the glass lids of the fiberglass tank were removed to facilitate removal of the heavy shark. A custom-made stainless steel storage and exhibition tank containing 8,000 L of 30% glycerol solution was prepared inside the exhibition space prior to the arrival of the specimen. Portholes in the top sections provided access points to record the density of

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21

Chanchal, Katariya, and Jayalakshmi Dr. "EFFECT OF MOUTH WASH ON COLOUR STABILITY ON COMPOSITE RESINS." International Journal of Multidisciplinary Research and Modern Education 3, no. 2 (2017): 22–25. https://doi.org/10.5281/zenodo.842822.

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Introduction: Tooth colored restorations are used widely to meet the esthetic demands of the patients. There are various types of composited manufactured by different companies. These composites have different physical properties in which one of the main factor is color stability. Oral cavity in addition to several factors mayaid in the change of the color stability in which one of the factor is mouth wash. Mouthwash is a liquid which is held in the mouth passively or swilled around the mouth. Nowadays mouth wash use have been increased widely among urban culture. However some mouth washes hav

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22

Mohiudden, Ahmed S., Mohammed J. Mohammed, and Mohammed A. Jassim. "Biosynthesis of Manganese Nanoparticle Mn-NPs by the Fungus Aspergillus niger." IOP Conference Series: Earth and Environmental Science 1214, no. 1 (2023): 012009. http://dx.doi.org/10.1088/1755-1315/1214/1/012009.

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Abstract The fungus isolate Aspergillus niger was obtained from the soil and in different sits from the University of Tikrit, where it was used in the preparation of manganese nanoparticles (Mn-NPs), so the results proved that the manganese solution at a concentration of (4Mm) changes color to pale yellow, and the color change is considered a preliminary indicator of the susceptibility of the fungus for the synthesis of nanoparticles. The ultraviolet and visible absorption spectrum of a solution of manganese nanoparticles was studied. It was found that it lies within the wavelengths of 421 nm

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23

Hung, Chien-Chang, Shu-Tang Yeh, Yi-Hao Peng, Ming-Chin Li, Jia-Chong Ho, and Kuang-Jung Chen. "P‐152: The method of QD color conversion layer and pattern‐able Encapsulation with high thickness BM fabricated by inkjet‐printed process." SID Symposium Digest of Technical Papers 55, no. 1 (2024): 1968–70. http://dx.doi.org/10.1002/sdtp.17979.

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This study develops a novel high‐thickness BM QD color conversion layer structure and a surface‐planarization process for QD materials after inkjet printing. This process reduces the height differences caused by the multi‐step exposure‐developing process. Following the fabrication of 8μm BM structure and 2μm CF structure, precise inkjet printing of QD materials is conducted within the 100ppi pixel area. we adjusted the surface energy of the color conversion layer by using an organic solution treatment to control the thickness profile and improve the color conversion efficiency. The printed QD

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24

Taqa, Amer A., Tarik Y. K. Bashi, and Safwan M. Al –Aubadi. "Preparation and evaluation a new formula of denture cleansers (a comparative study)." International Journal of Dental Research 4, no. 2 (2016): 38. http://dx.doi.org/10.14419/ijdr.v4i2.6381.

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The objective of this study is to prepare and study chemical compounds for cleaning denture from locally available materials. The chemical compounds solutions were (sodium bicarbonate with alum), (sodium bicarbonate with citric acid), (sodium bicarbonate with apple vinegar), (sodium bicarbonate with clear commercial vinegar), (sodium bicarbonate with thyme oil), (saturated salt solution), (clear commercial vinegar), (alum). The main study, the effects of the chemical compounds solutions were evaluated on the (color, water Sorption and transverse strength) of heat cured denture base material. T

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25

Wang, Zhaocai, Dangwei Wang, Xiaoguang Bao, and Tunhua Wu. "A parallel biological computing algorithm to solve the vertex coloring problem with polynomial time complexity." Journal of Intelligent & Fuzzy Systems 40, no. 3 (2021): 3957–67. http://dx.doi.org/10.3233/jifs-200025.

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The vertex coloring problem is a well-known combinatorial problem that requires each vertex to be assigned a corresponding color so that the colors on adjacent vertices are different, and the total number of colors used is minimized. It is a famous NP-hard problem in graph theory. As of now, there is no effective algorithm to solve it. As a kind of intelligent computing algorithm, DNA computing has the advantages of high parallelism and high storage density, so it is widely used in solving classical combinatorial optimization problems. In this paper, we propose a new DNA algorithm that uses DN

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Nimnual, Pisitpat, Aparporn Sakulkalavek, and Rachsak Sakdanuphab. "The Influence of N₂ Partial Pressure on Color, Mechanical, and Corrosion Properties of TiN Thin Films Deposited by DC Reactive Magnetron Sputtering." Key Engineering Materials 659 (August 2015): 550–54. http://dx.doi.org/10.4028/www.scientific.net/kem.659.550.

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Multi-functional thin films have gained increasing importance in a decorative application. Among the available material, titanium nitride (TiN) thin film is interesting due to its golden color and mechanical resistance. Beside their properties, the corrosion property of TiN films is mainly considered in order to extend the life time. In this work, the TiN thin films were deposited on 3x3 cm2 Si(100) substrates by dc reactive magnetron sputtering technique. The effects of N2 partial pressure (PN2) on deposited film properties such as microstructure, surface morphology, color, mechanical and cor

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27

Mohsen Garajehdaghi and Kambiz Seyyedi, Mohsen Garajehdaghi and Kambiz Seyyedi. "Removing of the Dye Pollutant Acid Red 1 from Contaminated Waters by Electrocoagulation Method Using a Recirculating Tubular Reactor with Punched Anode." Journal of the chemical society of pakistan 41, no. 1 (2019): 191. http://dx.doi.org/10.52568/000715/jcsp/41.01.2019.

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In the present study the removal of Acid red 1 (AR1), as a pollutant of contaminated waters, was investigated by the electrocoagulation method using a recirculating tubular reactor with punched anode. The role of the parameters affecting removal efficiency including current density, electrolysis time, electrolyte concentration and type, pH, the flow rate of the solution, and dye concentration was studied. Spectrophotometric results indicated that for 2500 ml of the dye solution containing 30 mg L-1 AR1 more than 95% of the dye was removed under the following conditions: current density of 1.3

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28

Yao, Yifan, Kai Zhu, Yucan Liu, Qianjin Liu, and Lihua Huang. "Effect of Persulfate Activation by Electrogenerated H2O2 and Anodic Oxidation on the Color Removal of Dye Solutions at Pt and BDD Anodes." International Journal of Environmental Research and Public Health 19, no. 23 (2022): 15688. http://dx.doi.org/10.3390/ijerph192315688.

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In this study, tartrazine solutions were oxidized using innovative electrochemical advanced oxidation processes (EAOPs) that combined persulfate (PS) activation with electrogenerated H2O2, cathodic reduction and anodic oxidation at Pt and BDD anodes, and graphite cathode in an undivided stirred reactor. For the Pt anode, SO4·− was generated from a reduction reaction at the cathode and a reaction between the PS and electrogenerated H2O2. For the BDD anode, SO4·− was generated from a reduction reaction at the cathode, an oxidation reaction at the anode, and a reaction between PS and electrogener

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29

Pathak, Maitri R., and Ajay Nath. "Formation of Matter-Wave Droplet Lattices in Multi-Color Periodic Confinements." Symmetry 14, no. 5 (2022): 963. http://dx.doi.org/10.3390/sym14050963.

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In the paper, we introduce a new model that addresses the generation of quantum droplets (QDs) in the binary Bose–Einstein condensate (BEC) mixture with mutually symmetric spinor components loaded in multi-color optical lattices (MOLs) of commensurate wavelengths and tunable intensities. The considered MOL confinement is the combination of the four-color optical lattice with an exponential periodic trap, which includes the complete set of the Fourier harmonics. Employing the one-dimensional (1D) extended Gross–Pitäevskii equation (eGPE), we calculate the exact analytical form of the wavefuncti

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Chen, Ze Min, Zhi Li Wu, and Qiao Yun Zhang. "The Study of Color Film Phosphating Process in Steel before Coating." Advanced Materials Research 581-582 (October 2012): 1088–91. http://dx.doi.org/10.4028/www.scientific.net/amr.581-582.1088.

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This study through a lot of theoretical analysis and experimental exploration, come to add phytic acid and chromium alum in the traditional zinc phosphating solution for phosphating solution film-forming speed and improve the film density has a distinct effect, and further by orthogonal experiments and the final assessment of preferred a group of environmental, low-temperature, and no sediment of new phosphating process. The composition of the phosphating solution is as follow: zinc oxide 0.5g/L; phosphating acid 5.0mL/L; tartaric acid 0.75g/L; sodium molybdate 0.6g/L; Ma Jif salt 2.0g/L; NaF

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Al Ayyubi, Muhammad Sholahuddin, Farikhah Farikhah, and Nur Maulida Safitri. "The Effect of Chitosan Extracted from Green Mussel Shells Perna viridis on Sonneratia caseolaris Mangrove Syrup Preservation." Jurnal Biologi Tropis 22, no. 1 (2022): 251–64. http://dx.doi.org/10.29303/jbt.v22i1.3353.

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Green mussels (Perna viridis) are one of the prospective aquatic resources that can be developed into a high-value commodity. Their shells, on the other hand, are rarely used and discarded; despite the fact that the shells are contain chitosan, which can be used as a food preservative.The purpose of this study is to examine the effect of chitosan administration from green mussel shells on Sonneratia caseolaris mangrove syrup at various concentrations. The experimental design used Completely Randomized Design (CRD) with 7 treatments within 3 replications. The study lasted 30 days in order tho f

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Setiawan, Yogi, and Sri Wiratma. "COCONUT HUSK AS A BATIK COLORING MATERIAL." Melayu Arts and Performance Journal 4, no. 1 (2021): 46. http://dx.doi.org/10.26887/mapj.v4i1.1687.

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AbstrakPenelitian ini bertujuan untuk mendeskripsikan bagaimana proses pembuatan warna batik berbahan sabut kalapa dan menganalisis hasil dari pewarnaan batik berbahan sabut kelapa. Dalam metode penelitian untuk mengetahui bagaimana pengaruh lama dalam perendaman larutan warna yang akan dapat menghasilkan warna dan juga mengetahui bagaimana proses pembuatan warna tersebut, peneliti menggunakan metode penelitian Kualitatif Deskriptif. Setelah dilakukan pengumpulan data melalui instrumen penelitian observasi, wawancara dan dokumentasi. Pembuatan warna alami pada batik harus dengan teliti dan ben

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Liu, Chengxin, Kewei Wang, Hao Lu, and Zhiguo Cao. "Dynamic Color Transform Networks for Wheat Head Detection." Plant Phenomics 2022 (February 1, 2022): 1–14. http://dx.doi.org/10.34133/2022/9818452.

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Wheat head detection can measure wheat traits such as head density and head characteristics. Standard wheat breeding largely relies on manual observation to detect wheat heads, yielding a tedious and inefficient procedure. The emergence of affordable camera platforms provides opportunities for deploying computer vision (CV) algorithms in wheat head detection, enabling automated measurements of wheat traits. Accurate wheat head detection, however, is challenging due to the variability of observation circumstances and the uncertainty of wheat head appearances. In this work, we propose a simple b

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Yashiro, Nobuyoshi, Kazuhiko Kusunoki, Kazuhito Kamei, and Akihiro Yauchi. "Solution Growth and Crystallinity Characterization of Bulk 6H-SiC." Materials Science Forum 645-648 (April 2010): 33–36. http://dx.doi.org/10.4028/www.scientific.net/msf.645-648.33.

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The stable long time growth with the use of Si -C-Ti ternary solution was realized by improving the thermal condition during the growth. We have succeeded in obtaining a maximum 10 mm thick bulk 6H-SiC crystal, which is the largest bulk crystal ever obtained by the solution growth technique. The obtained crystal was free of cracks and exhibited a homogeneous light green color. The crystallinity of the grown crystal was characterized by X-ray rocking curve measurements using (0006) reflection and by the molten KOH etching. The mapping of the full width at half maximum (FWHM) revealed the averag

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Kozyriev, Anton, and Vladimir Norkin. "Lossy Image Compression with Stochastic Quantization." Cybernetics and Computer Technologies, no. 3 (September 24, 2024): 60–66. http://dx.doi.org/10.34229/2707-451x.24.3.6.

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Introduction. Lossy image compression algorithms play a crucial role in various domains, including graphics, and image processing. As image information density increases, so do the resources required for processing and transmission. One of the most prominent approaches to address this challenge is color quantization, proposed by Orchard et al. (1991). This technique optimally maps each pixel of an image to a color from a limited palette, maintaining image resolution while significantly reducing information content. Color quantization can be interpreted as a clustering problem (Krishna et al. (

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Zhou, Xiao Lv, Xiao Wen Tan, Huan Li, and Fei Shang. "Studies on Treatment of Simulated Printing and Dyeing Wastewater on Titanium Electrode Coated MnO₂ Doped with Ce." Advanced Materials Research 347-353 (October 2011): 822–25. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.822.

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Experiments on treatment of simulated printing and dyeing wastewater by prepared titanium-based electrode coated manganese dioxide doped with cerium were carried out in this paper. Factors such as current density, electrolyte concentration, solution pH value, electrolysis time, initial concentration of simulation printing and dyeing wastewater on the effect of treatment were also investigated. It is showed that: utilizing the self- prepared electrode to treat printing and dyeing wastewater in optimized conditions, which current density is 30mA/cm2, electrolyte (sodium chloride) concentration i

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Debnath, Sashi, Ganesh Masilamani, Abhijeet Agrawal, et al. "Cyclopenta[c]thiophene- and Diketopyrrolopyrrole-Based Red-Green-Blue Electrochromic Polymers." Organic Materials 4, no. 04 (2022): 268–76. http://dx.doi.org/10.1055/s-0042-1757979.

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Cyclopenta[c]thiophene (CPT)-based polymers are potential candidates in organic electronics. Here, we report the first solution-processable red homopolymer (P1) of a thiophene-capped derivative of CPT (DHTCPT), and a blue homopolymer (P2) of N-substituted thienodiketopyrrolopyrrole (DEHTDPP). Additionally, by alternatingly copolymerizing the DHTCPT and DEHTDPP units, we achieved the green copolymer P3, thus completing the red-green-blue color wheels. We have shown experimentally and computationally (time-dependent density functional theory and natural bond orbital calculations) that P1 and P2

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Menezes Filho, Antonio Carlos Pereira de, Matheus Vinicius Abadia Ventura, Hellen Regina Fernandes Batista-Ventura, et al. "Biodegradable films of arrowroot starch (Maranta arundinacea) incorporated with floral extract of Tabebuia impetiginosa and copper sulfate: physical and physicochemical properties, and biodegradability and antibacterial activities." Brazilian Journal of Science 1, no. 2 (2022): 46–58. http://dx.doi.org/10.14295/bjs.v1i2.112.

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Biodegradable films of arrowroot starch were incorporated with floral extract of Tabebuia impetiginosa and copper sulfate and determined to the physical, physicochemical, biodegradability and antibacterial properties. The films were produced from arrowroot starch with different concentrations of glycerol, floral extract and copper sulfate solution. Thickness, humidity, solubility, biodegradability, water vapor colorimetry, color density, transparency, FT-IR and antibacterial activity tests were performed for Escherichia coli, Staphylococcus aureus, Salmonella serovar Thyphymurium and serovar E

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Parry, Christopher, and Bruce Bugbee. "Reduced Root-zone Phosphorus Concentration Decreases Iron Chlorosis in Maize in Soilless Substrates." HortTechnology 27, no. 4 (2017): 490–93. http://dx.doi.org/10.21273/horttech03735-17.

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Maize (Zea mays) is increasingly grown in controlled environments to facilitate phenotypic analysis. Even with ample chelated iron (Fe), maize often develops interveinal chlorosis in soilless substrates or hydroponics because of inadequate bioavailable Fe in the plant. We hypothesized that the excessive phosphorus (P) in standard greenhouse fertigation solutions would accentuate the chlorosis. Here, we report that reducing the P concentration from 0.7 to 0.07 mmol·L−1 (22 to 2 mg·L−1) provided adequate P for rapid growth and increased chlorophyll concentration from 263 to 380 µmol·m−2. Restric

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Damayanti, Sarah. "Formulasi Dan Evaluasi Sediaan Krim Pewarna Rambut Dari Ekstrak Etanol Umbi Bit (Beta vulgaris L.)." Jurnal Penelitian Farmasi & Herbal 4, no. 2 (2022): 87–91. http://dx.doi.org/10.36656/jpfh.v4i2.869.

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The use of natural hair dyes is a solution to the problem of synthetic hair dyes. one of the plants such as beetroot contains a lot of secondary metabolites, one of which is flavonoids which can provide specific dyes. The natural color found in beetroot can be used as a natural dye in cosmetics. To find out at what concentration the beetroot produces the most optimal quality physical color of the hair dye preparation. This research method was carried out including making beetroot (Beta vulgaris L.) ethanol extract by maceration for 5 days with 95% ethanol solvent and continued remeseration wit

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Nguyen, Quang Phi, Zhao Nan Sun, and Xiao Min Hu. "Decolorization of Direct Yellow R Dye from Aqueous Solution by Aluminum Anode Electrochemical." Advanced Materials Research 581-582 (October 2012): 58–63. http://dx.doi.org/10.4028/www.scientific.net/amr.581-582.58.

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The present study applied Aluminum anode electrochemical method to decolorize direct yellow R wastewater. Experiments were conducted in electrochemical cell system with dimensions of 60 mm ´ 40 mm ´ 2 mm, a steel cathode and aluminum anode. Decolorization efficiency and electrical energy consumption were also calculated to compare optimal values. The effects of factors consist of current density, initial pH, initial dye concentration and electrolyte solution concentration on color removal efficiency have been also investigated. The results of study suggested that direct yellow R dye decoloriza

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Erbil, Yeşim, Yasemin Ozluk, Murat Giriş, et al. "Effect of Lugol Solution on Thyroid Gland Blood Flow and Microvessel Density in the Patients with Graves’ Disease." Journal of Clinical Endocrinology & Metabolism 92, no. 6 (2007): 2182–89. http://dx.doi.org/10.1210/jc.2007-0229.

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Abstract Context: Although some endocrine surgeons administer Lugol solution to decrease thyroid gland vascularity, there is still not an agreement on its effectiveness. Objective: The aims of this clinical trial are to evaluate thyroid blood flow and microvessel density in patients with Graves’ disease who received Lugol solution treatment preoperatively. Design: This was a prospective clinical trial. Setting: This clinical trial took place at a tertiary referral center. Method: Thirty-six patients were randomly assigned to receive either preoperative treatment with Lugol solution (group 1, n

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Manh, Ha. "Modeling the removal of Sunfix Red S3B from aqueous solution by electrocoagulation process using artificial neural network." Journal of the Serbian Chemical Society 81, no. 8 (2016): 959–70. http://dx.doi.org/10.2298/jsc160108032m.

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This study presents an application of artificial neural networks (ANNs) to predict the dye removal efficiency (color and chemical oxygen demand value) of Electrocoagulation process from Sunfix Red S3B aqueous solution. The Bayesian regulation algorithm was applied to train the networks with experimental data including five factors: pH, current density, sulphate concentration, initial dye concentration (IDC), and electrolysis time. The predicting performance of the ANN models was validated through the low root mean square error value (9.844 %), mean absolute percentage error (13.776 %) and the

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Aniskevich, Y. M., A. V. Radchanka, M. V. Artemyev, G. A. Ragoisha, and E. A. Streltsov. "Electrochemical properties and optical response of cadmium selenide quantum dot film electrodes." Proceedings of the National Academy of Sciences of Belarus, Chemical Series 57, no. 2 (2021): 144–51. http://dx.doi.org/10.29235/1561-8331-2021-57-2-144-151.

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Electrochemical charge/discharge mechanisms in the electrophoretically deposited CdSe quantum dot (QD)film electrodes in NBu4PF6 acetonitrile solution have been investigated. The films were deposited from CdSe colloidal solution in nitrobenzene at variable QD size (diameter) from 3.4 to 6.3 nm onto transparent conducting glass substrates. Electrochemical behavior and optical response were characterized by cyclic voltammetry (CV) and in situ absorption spectroscopy. Electrochemical charging under an inert gas atmosphere results in a reversible color change (electrochromism), due to the bleach o

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Zimmer, Aleksandra, Klaudia Masztalerz, Małgorzata Serowik, Mariusz Nejman, and Krzysztof Lech. "Utilization of Post-Process Osmotic Solution Based on Tomato Juice Through Spray Drying." Agriculture 14, no. 11 (2024): 1883. http://dx.doi.org/10.3390/agriculture14111883.

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The study focused on utilizing post-process osmotic solution enriched with inulin or maltodextrin, evaluating its potential for spray drying. Parameters such as yield, energy consumption, and the physical properties of the dried solutions and powders—including moisture content (Mc), water activity (Aw), color, true and bulk density, porosity, and glass transition temperature—were analyzed. The effects of carrier type, concentration, and inlet temperature (Tin) were systematically examined. Samples dried with maltodextrin demonstrated over 50% higher yield than those with inulin, with a highest

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Lin, Hong-Ting Victor, Der-Sheng Chan, Ling-Yu Kao, and Wen-Chieh Sung. "Effect of Hydroxymethylfurfural and Low-Molecular-Weight Chitosan on Formation of Acrylamide and Hydroxymethylfurfural during Maillard Reaction in Glucose and Asparagine Model Systems." Polymers 13, no. 12 (2021): 1901. http://dx.doi.org/10.3390/polym13121901.

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The aim of this research was to investigate the effects of the addition of 0.5% hydroxymethylfurfural (HMF) and low molecular chitosan on acrylamide and HMF formation in a food model system, which contains 0.5% glucose, asparagine, and HMF within 30 min of heating at 180 °C. At an interval of 10 min, all solutions were evaluated in the following aspects: reducing sugar, asparagine, acrylamide, HMF content, pH, Maillard reaction products, kinematic viscosity, and color. After heating for 10 min, the kinematic viscosity of solutions containing chitosan reduced significantly. The values of the ac

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Ming, Yan Zhang. "Electrochemical Experimental Analysis of Different Coatings." Journal of Scientific Research and Reports 30, no. 6 (2024): 593–99. http://dx.doi.org/10.9734/jsrr/2024/v30i62077.

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Aims: This paper investigates four different metallic coatings of 17-4PH stainless steel and tests them in seawater as a means of preventing seawater corrosion of turbine upper stage blades.. Study Design: The self-corrosion current densities of the different specimens in the synthetic seawater solution were measured using open circuit, polarization curves, and electrochemical AC impedance spectra. Place and Duration of Study: Department Between July 10, 2023, and August 10, 2023, the Laboratory of the School of Mechanics, North China University of Water Resources and Hydropower (NUWRH). Metho

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Pang, Ruoying, Yiming Dong, and Xin Zhao. "Image Storage in DNA by an Extensible Quaternary Codec System." Applied Sciences 15, no. 9 (2025): 4760. https://doi.org/10.3390/app15094760.

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Silicon-based storage technologies are increasingly failing to meet the explosively growing data storage demands of the information age. DNA-based data storage offers a promising solution due to its unparalleled storage density, long lifespan, low energy consumption, and high parallel accessibility. In this study, we propose a novel True Quadratic Codec System (ETQ) that directly encodes data into nucleotide sequences using a quaternary encoding approach. By treating A, T, C, and G as direct encoding symbols (0, 1, 2, 3), an ETQ eliminates the intermediate binary-to-ATCG conversion step, thus

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Shedthi B, Shabari, Madappa Siddappa, Surendra Shetty, and Vidyasagar Shetty. "Classification of arecanut using machine learning techniques." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 2 (2023): 1914. http://dx.doi.org/10.11591/ijece.v13i2.pp1914-1921.

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In agricultural domain research, image processing and machine learning techniques play an important role. This paper provides a unique solution for classifying the good and defective arecanuts based on their color, texture, and density value. In the market different varieties of arecanut are available. Usually, qualitative sorting is done manually, and this can be replaced by applying machine vision techniques to grade the arecanut. Classification of arecanut based on quality is done using various machine learning techniques and it is observed that artificial neural networks give good results

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Shabari, Shedthi Billadi, Siddappa Madappa, Shetty Surendra, and Shetty Vidyasagar. "Classification of arecanut using machine learning techniques." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 2 (2023): 1914–21. https://doi.org/10.11591/ijece.v13i2.pp1914-1921.

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In agricultural domain research, image processing and machine learning techniques play an important role. This paper provides a unique solution for classifying the good and defective arecanuts based on their color, texture, and density value. In the market different varieties of arecanut are available. Usually, qualitative sorting is done manually, and this can be replaced by applying machine vision techniques to grade the arecanut. Classification of arecanut based on quality is done using various machine learning techniques and it is observed that artificial neural networks give good results

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