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Journal articles on the topic 'Optical Variable Ink'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Gong Xuping, 公绪平, 黄敏 Huang Min, 沈跃桐 Shen Yuetong, 魏子文 Wei Ziwen, 李修 Li Xiu та 刘瑜 Liu Yu. "光学变色油墨的颜色测量方法研究". Acta Optica Sinica 43, № 22 (2023): 2212003. http://dx.doi.org/10.3788/aos231218.

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Bates, Irena, Ivana Plazonić, Maja Rudolf, and Diana Bratić. "Quantification of the Influence of Ink Penetration and Optical Ink Density on the Print-through of Printed Straw-Based Papers." Applied Sciences 14, no. 1 (2023): 288. http://dx.doi.org/10.3390/app14010288.

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In recent years, due to environmental awareness regarding the harmfulness of polymeric materials, there has been a growing interest in using papers, especially those from alternative raw materials. The importance of using all available raw materials is imperative today. Raw materials that were once viewed as waste are now of great importance because they have the ability to replace raw materials that are used irrationally or are lacking. Cereal straw is a lignocellulosic material that could be used in the paper industry and in the production of increasingly prevalent paper packaging. The aim o

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Cigula, Tomislav, Tamara Tomašegović, and Tomislav Hudika. "Effect of the paper surface properties on the ink transfer parameters in offset printing." Nordic Pulp & Paper Research Journal 34, no. 4 (2019): 540–49. http://dx.doi.org/10.1515/npprj-2019-0018.

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Abstract Paper has a crucial impact on the qualitative properties of printed product as properties of the paper’s surface directly impact the ink transfer, consequently, basic optical properties of the print. Although same ISO paper type, papers possess variable surface properties leading to different influence on the ink transfer. The aim of this research was to analyse influence of the surface properties of the paper, including surface free energy, smoothness and gloss of some standard papers used in lithography on the ink transfer while matching the colorimetric values defined by ISO 12647-

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4

Dodgson, James T., Andreas Mandelis, and Claudio Andreetta. "Optical-absorption coefficient measurements in solids and liquids using correlation photoacoustic spectroscopy." Canadian Journal of Physics 64, no. 9 (1986): 1074–80. http://dx.doi.org/10.1139/p86-185.

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The spectroscopic information related to the optical-absorption coefficients of solids and liquids, which is contained in the signal-magnitude and time-delay channels of cross-correlation photoacoustic spectroscopy (CPAS), has been investigated. Powders of holmium oxide and aqueous solutions of black India ink of variable concentrations were used as solid and liquid samples, respectively. The experimental results were found to be in general agreement with a one-dimensional theoretical model of the CPAS-signal generation.

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Lee, Sang Il, Dongjin Lee, and Kunsik An. "Fabrication of Type-Variable Electronic Paper Using Electrophoretic Particle Loading with Multiple Bottom Electrode Structure." Materials 15, no. 6 (2022): 2289. http://dx.doi.org/10.3390/ma15062289.

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This study suggested the design of type-variable electronic paper with multiple bottom electrode structures and experimentally investigated the process mechanism of the electrophoretic particle loading method (EPLM) as an electronic ink injection method. The type-variable electronic paper was achieved by constructing the multi-electrode structure that had a structure of four electrodes that can independently apply voltage to one cell. By injecting electronic ink that mixes two types of particles with opposite charges into an electrically neutral color (blue) fluid, we realized electronic paper

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Yuriy, Agalidi, Aleksander Bokszczanin, and Maris Kaminskis. "Forensic investigation of magnetic printing based on magnetic measurements." Problemy Współczesnej Kryminalistyki 28 (March 3, 2025): 331–51. https://doi.org/10.52097/pwk.9593.

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The research objective was to experimentally verify the suitability of magneto-optical (MO) topograms for solving forensic problems with magnetic printing documents. Paper starts with presentation of necessary knowledge regarding magnetic field on the surface of an object, from which factors that affects its parameters are presented. Secondly, a method of visualization of magnetic fields and MO topography device are presented. Experimental research of objects under conditions of constant magnetization were carried out using a two-coordinate MO scanner. The given examples of research show that

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Stando, Martha, Arnaud Morin, Gerard Gebel, Lionel Porcar, Stephane Cotte, and Jakub Drnec. "Investigation of Manufacturing Process Related Structure and Performance of the Fuel Cell Electrode Thanks to Small Angle Neutron Scattering." ECS Meeting Abstracts MA2023-02, no. 65 (2023): 3161. http://dx.doi.org/10.1149/ma2023-02653161mtgabs.

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With climate change and fossil fuel sustainability concerns faced globally, proton exchange membrane fuel cell (PEMFC) based electric vehicles have been recognized as a promising alternative. However, large-scale commercialization requires progress in performance, cost and durability, for which the electrode (catalyst layer) is the limiting component. The electrode is composed of nanoparticles of platinum (Pt) catalyst on a carbon (C) support, embedded in a proton conductive polymer (ionomer). It is obtained from a slurry (catalyst ink) after evaporating solvent consisting of a water and alcoh

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Mr., Rajeev &. Mr. Dhirender. "A SURVEY OF URBAN PEOPLE AWARENESS ABOUT NEW INDIAN CURRENCY SECURITY FEATURES AFTER DEMONETIZATION." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 7 (2017): 563–67. https://doi.org/10.5281/zenodo.829771.

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Use of currency notes is increasing year by year and so does risk of its holders.It has become need of hour for every country to make its currency difficult to counterfeit.Security features and security printing are the only solution for this problem.Security features not only prevent duplicacyof notes but also save the poor citizens from possible financial loss.This survey work was carried out to understand the awareness level about security features in new currency notes because relevancy of such work has increased by manifold in recent era after demonetization.

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Lopinski, Gregory. "(Invited) Metrology of Solution Processable 2D Materials for Electronic Applications." ECS Meeting Abstracts MA2022-01, no. 18 (2022): 1027. http://dx.doi.org/10.1149/ma2022-01181027mtgabs.

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Two-dimensional materials have attracted intense interest due to their remarkable physical and electronic properties as well as their potential for a diverse range of applications. Many of these envisaged applications (i.e. printed/flexible electronics, energy storage, photovoltaics) require single or few layer flakes of a 2D material that can be dispersed in solution to facilitate deposition onto a substrate, formulation into an ink and/or mixing into a composite. A variety of powders and dispersions claiming to contain 2D materials such as graphene are now becoming available but the variable

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Brown, James D., and Dong-Jun Seo. "A Nonparametric Postprocessor for Bias Correction of Hydrometeorological and Hydrologic Ensemble Forecasts." Journal of Hydrometeorology 11, no. 3 (2010): 642–65. http://dx.doi.org/10.1175/2009jhm1188.1.

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Abstract This paper describes a technique for quantifying and removing biases from ensemble forecasts of hydrometeorological and hydrologic variables. The technique makes no a priori assumptions about the distributional form of the variables, which is often unknown or difficult to model parametrically. The aim is to estimate the conditional cumulative distribution function (ccdf) of the observed variable given a (possibly biased) real-time ensemble forecast. This ccdf represents the “true” probability distribution of the forecast variable, subject to sampling uncertainties. In the absence of a

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RODES-CARBONELL, ANA M., JOSUÉ FERRI, EDUARDO GARCIA-BREIJO, and EVA BOU-BELDA. "A preliminary study of printed electronics through flexography impression on flexible substrates." Industria Textila 72, no. 02 (2021): 133–37. http://dx.doi.org/10.35530/it.072.02.202024.

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The work is framed within Printed Electronics, an emerging technology for the manufacture of electronic products. Among the different printing methods, the roll-to-roll flexography technique is used because it allows continuous manufacturing and high productivity at low cost. Apart from the process parameters, the ink and the substrate properties are some of the variables associated with the flexographic printing. Specifically, this study investigates the ink penetration, the print uniformity, the adhesion, the fastness, and the electrical behaviour of the same conductive silver ink printed on

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Negru, Ioan Cristinel, Viorica Vasilache, Ion Sandu, et al. "Depth Profiling of Diffraction-based Security Features in Authentic and Counterfeit Banknotes." Materiale Plastice 54, no. 2 (2017): 321–25. http://dx.doi.org/10.37358/mp.17.2.4843.

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High printing quality of banknotes and the variety of security features implemented in banknotes make a big difference between the genuine notes and high-quality forgeries. The counterfeiter cannot reproduce or imitate the printing quality and all security features embedded in every banknote, such as Optically Variable Ink, Optically Variable Diffractive Images, or intaglio printing. The present research focused on the examination of optically variable devices embedded on 50Îbanknotes. The altered banknotes were examined using different techniques.

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Giri, R., P. Bhattarai, S. P. Chimouriya, and B. R. Ghimire. "Examination of Security Features in Nepali Currency of Denomination Rs. 500 and Rs. 1000 Using Video Spectral Comparator-6000." Journal of Nepal Physical Society 7, no. 4 (2021): 36–42. http://dx.doi.org/10.3126/jnphyssoc.v7i4.42929.

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In this work, we have studied security features of Nepali currencies of denomination Rs. 500 and Rs. 1000 of recent two series with the help of Video Spectral Comparator-6000. During examination, mostly ultraviolet, normal, transmitted and oblique light are used. We found nine different security features like fluorescence, water mark, micro text, security thread, intaglio print, see through registor, emboss, optically variable ink and latent image in this work. One feature, latent image is found to be completely removed in new series of both Rs. 500 and Rs. 1000 whereas new important security

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Kalife, Aymeric, Gabriela López Ruiz, Saad Mouti, and Xiaolu Tan. "Optimal behavior strategy in the GMIB product." Insurance Markets and Companies 9, no. 1 (2018): 41–69. http://dx.doi.org/10.21511/ins.09(1).2018.05.

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Guaranteed Minimum Income benefit are variable annuities contract, which offer the policyholder the possibility to con- vert the guarantee level into an annuities income for life. This paper focuses on the optimal customer behavior assuming the maximization of the discounted expected future cash flows over the full life of the contract duration. Using convenient scaling properties of the contract value enables to reduce the complexity (dimension) of the problem and to characterize the policyholder’s decision as a function of the contract moneyness across four main choices: zero withdrawals, gu

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Borchloo, Ali, Reza Shoja-Razavi, and Hamed Naderi-Samani. "Synthesis and characterization of silver nanowires with high aspect ratio for transparent coating applications." Synthesis and Sintering 4, no. 3 (2024): 167–90. http://dx.doi.org/10.53063/synsint.2024.43236.

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In this study, the polyol method was used for the synthesis of AgNWs for the preparation of transparent and conductive coatings. The aim is to synthesize silver nanowires with a one-dimensional morphology and a diameter of less than 100 nm and to formulate a conductive ink containing silver nanowires with high stability under environmental conditions and an easy synthesis method. The experimental design and determination of random samples were performed using Design Expert software. In general, three variables of polyvinyl pyrrolidone (PVP) in the range of 0.06–0.8 g, silver nitrate precursor

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Su, Jian, Xiaohong Zheng, Xianzhong Lang, et al. "Effect of precursor solution ageing time on the photovoltaic performance of perovskite solar cells." Functional Materials Letters 14, no. 05 (2021): 2151025. http://dx.doi.org/10.1142/s1793604721510255.

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The solution process is currently the most common method for preparing perovskite solar cells; however, their performance, even when prepared by the same procedure, is variable. One contributing factor is neglecting the ageing time of the perovskite precursor ink. In this study, we studied the correlation between the precursor solution ageing time and the subsequent photovoltaic performance of solar cells. We found that both freshly made and excessively aged precursor solutions resulted in poor perovskite films, exhibiting poor absorption and increased recombination sites. An ageing time of 6

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17

Sonawane, Ramdas B., Anil Kumar, and S. B. Nimse. "Optimal control for a vibrating string with variable axial load and damping gain." IFAC Proceedings Volumes 47, no. 1 (2014): 75–81. http://dx.doi.org/10.3182/20140313-3-in-3024.00087.

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Pericet-Camara, Ramon, Andreas Best, Sebastian K. Nett, Jochen S. Gutmann, and Elmar Bonaccurso. "Arrays of microlenses with variable focal lengths fabricated by restructuring polymer surfaces with an ink-jet device." Optics Express 15, no. 15 (2007): 9877. http://dx.doi.org/10.1364/oe.15.009877.

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Gilewski, Marian. "The ripple-curry amplifier in photonic applications." Photonics Letters of Poland 14, no. 4 (2022): 86–88. http://dx.doi.org/10.4302/plp.v14i4.1187.

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This paper discusses the new design of a amplifier for the miniature MEMS-type spectrometer. The application problem of the new amplifier was the correct conditioning of the sensor's photoelectric pulses. The processed signal was a sequence of pulses that had variable both frequency and amplitude value. Thus, such a broadband amplifier should have the functionality of automatic gain control. This paper describes the concept of the new circuit, develops its detailed application, and then performs validation tests. Measurement results of the new circuit are discussed in the final section of the

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Ferraço, Fabio, and Anselmo Ortega Boschi. "Study of the Variables that Lead to Hue Variations on Tiles Decoration Based on Silicon Cylinder Technique Laser Engraving Method." Advances in Science and Technology 92 (October 2014): 168–73. http://dx.doi.org/10.4028/www.scientific.net/ast.92.168.

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In the process of ceramic tiles production, the hue variation is one of the oldest and common problems whose appearance persists within the production and between two different productions of the same product; therefore it’s a problem to be solved still. Identify the origin the hue variation and minimize its occurrence it’s a constant challenge in the ceramic tile production, and the target is always to increase the quality end decrease the batches with different tones. Although the hue variation can have it’s origin within which one of the whole steps of the process, this work is focused on t

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Mudma'inah and Wahyu Dewi Sulistyarini. "Analisa diskriptif peran kader malaria terhadap penemuan dini kasus malaria di wilayah pembangunan Ibu Kota Nusantara (IKN) dan daerah endemis Kelurahan Sotek." Jurnal Ilmiah Keperawatan (Scientific Journal of Nursing) 11, no. 1 (2025): 108–14. https://doi.org/10.33023/jikep.v11i1.2302.

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Malaria disebabkan oleh parasit Plasmodium dan ditularkan melalui gigitan nyamuk Anopheles betina, masih menjadi masalah kesehatan signifikan di Kabupaten Penajam Paser Utara, khususnya di daerah endemis Kelurahan Sotek. Keberadaan kader diperlukan karena wilayah endemis yang jauh dari sarana prasarana kesehatan dan kegiatan survey migrasi. Penelitian ini bertujuan untuk menggambarkan peran kader malaria di wilayah Pembangunan IKN dan Kelurahan Sotek serta menganalisis kontribusi mereka dalam pengendalian penyakit. Penelitian kuantitatif ini menggunakan metode deskriptif analitik dengan sampel

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Orrill, Michael, Dustin Abele, Michael J. Wagner, and Saniya LeBlanc. "Sterically Stabilized Multilayer Graphene Nanoshells for Inkjet Printed Resistors." Electronic Materials 2, no. 3 (2021): 394–412. http://dx.doi.org/10.3390/electronicmat2030027.

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In the field of printed electronics, there is a pressing need for printable resistors, particularly ones where the resistance can be varied without changing the size of the resistor. This work presents ink synthesis and printing results for variable resistance, inkjet-printed patterns of a novel and sustainable carbon nanomaterial—multilayer graphene nanoshells. Dispersed multilayer graphene nanospheres are sterically stabilized by a surfactant (Triton X100), and no post-process is required to achieve the resistive functionality. A surface tension-based adsorption analysis technique is used to

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Mohammed, Zerouali, El Ougli Abdelghani, and Tidhaf Belkassem. "A robust fuzzy logic PI controller for solar system battery charging." International Journal of Power Electronics and Drive Systems 14, no. 01 (2023): 384~394. https://doi.org/10.11591/ijpeds.v14.i1.pp384-394.

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This article discusses a design of a photovoltaic (PV) system that allow charging a battery under variable climatic circumstances. The system under study is composed of two DC-DC converters a boost and Buck converter. The first one is used to extract the maximum power from the PV array through a novel variable step size P&O based MPPT offering a high tracking accuracy compared to classical approaches such PO and INC. The second converters aim at regulating the output voltage and current that feeds the battery using a robust optimal PI (O-PI) which has a faster time response and high accura

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Zhou, Ying Mei, and Zhong Min Jiang. "Study of Hybrid Printing Based on Printed Electronics." Applied Mechanics and Materials 731 (January 2015): 316–20. http://dx.doi.org/10.4028/www.scientific.net/amm.731.316.

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With the development of technologies in printed electronics, they are perfect for low performance applications, such as displays, labels, clothing, and batteries. Flexible, electrical circuits can be printed using functional inks and printing methods, such as screen printing, gravure and inkjet. Uniform ink surface, smoothness, fine lines, and registration are keys in determining the capability of printed electronics. Screen mesh count, printing methods and emulsion thickness are all variables that are involved in screen printing and need to be quantified in order to determine optimal operatio

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Rustad, Even H., Malin Hultcrantz, Venkata D. Yellapantula, et al. "V(D)J Sequence Capture for DNA-Based Minimal Residual Disease Detection in Multiple Myeloma." Blood 132, Supplement 1 (2018): 4444. http://dx.doi.org/10.1182/blood-2018-99-113889.

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Abstract Introduction Minimal residual disease (MRD) negativity after initial therapy is a strong predictor of survival in multiple myeloma. Tracking of clonal immunoglobulin V(D)J rearrangements by next generation sequencing is highly sensitive for MRD and does not require immediate analysis of fresh samples. However, previous studies have found variable rates of baseline V(D)J sequence capture, which could limit tracking. In this study, we aimed to define the sample-related and disease-related factors that influence V(D)J capture. Methods We included 177 patients with plasma cell myeloma who

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Eun, Sung-Jong, Myoung Suk Yun, Taeg-Keun Whangbo, and Khae-Hawn Kim. "A Study on the Optimal Artificial Intelligence Model for Determination of Urolithiasis." International Neurourology Journal 26, no. 3 (2022): 210–18. http://dx.doi.org/10.5213/inj.2244202.101.

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Purpose: This paper aims to develop a clinical decision support system (CDSS) that can help detect the stone that is most important to the diagnosis of urolithiasis. Among them, especially for the development of artificial intelligence (AI) models that support a final judgment in CDSS, we would like to study the optimal AI model by comparing and evaluating them.Methods: This paper proposes the optimal ureter stone detection model using various AI technologies. The use of AI technology compares and evaluates methods such as machine learning (support vector machine), deep learning (ResNet-50, Fa

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Hill, C., P. Monk, and D. Hall. "Tunable RF-excited CO<inf>2</inf>waveguide laser with variable guide width." IEEE Journal of Quantum Electronics 23, no. 11 (1987): 1968–73. http://dx.doi.org/10.1109/jqe.1987.1073265.

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El hassouni, Bennacer, Abdellatif G.AMRANI, and Ali HADDI. "A new MPPT technique for optimal and efficient monitoring in case of environmental or load conditions variation." International Journal of Information Technology and Applied Sciences (IJITAS) 3, no. 2 (2021): 18–28. http://dx.doi.org/10.52502/ijitas.v3i2.16.

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Due to the very high initial investment cost of photovoltaic systems and their low conversion efficiency, it is essential to operate PV generators at the point of maximum power (MPP). Within this framework, our first objective in this thesis is to develop and improve the PV system, contributing to optimizing the PV panels' energy through a DC-DC power electronics converter. For this reason, a further improvement of the incremental conductance technique is proposed to improve the MPP tracking capability of the PV system when the level of solar irradiation is suddenly increased or when the load

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Raus, R. Ahmad, R. A. Awang, M. Mel, and K. Yusoff. "FILTRATION OF NUCLEOCAPSID PROTEIN OF NEWCASTLE DISEASE VIRUS FOR IMMUNODIAGNOSTIC KIT." IIUM Engineering Journal 12, no. 2 (2011): 89–98. http://dx.doi.org/10.31436/iiumej.v12i2.43.

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The aim of the present study is to purify recombinant nucleocapsid (NP) protein of Newcastle disease virus (NDV) using microfitration fitration system and improve the processing conditions as well. A microporous membrane screening using two different sizes of membrane which are 0.1Âµm and 0.45Âµm was performed before further improvement on NP protein filtration was carried out. Several conditions of the independent variables that affect the microfiltration process such as the temperature, transmembrane pressure (TMP), and viscosity were observed. It turned out to be that 0.45Âµm membrane gave

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Leary, James, Brooke Mahnken, Christopher Wada, and Kimberly Burnett. "Interpreting Life-History Traits of Miconia (Miconia calvescens) through Management over Space and Time in the East Maui Watershed, Hawaii (USA)." Invasive Plant Science and Management 11, no. 4 (2018): 191–200. http://dx.doi.org/10.1017/inp.2018.26.

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AbstractMiconia (Miconia calvescens DC) was introduced to the East Maui Watershed (EMW) a half-century ago with more than 25 yr of management recorded. Using a historical spatiotemporal data set, we constructed a leptokurtic dispersal kernel with 99% of progeny confined to within 549 m of the nearest maternal source and the remaining 1% dispersed out to 1,636 m. Seedbank persistence, based on postdated recruitment, displayed an exponential decay projecting extinction beyond 20 yr. These parameters are highly congruent to independent interpretations of M. calvescens in Australia and Tahiti. In

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Das, Raju, Amit Kumar Ball, Shibendu Shekhar Roy, and Naresh Chandra Murmu. "A Multi-Criteria Decision-Making Approach for Process Improvement of E-Jet: An Experimental Investigation." Journal of Advanced Manufacturing Systems 19, no. 03 (2020): 463–97. http://dx.doi.org/10.1142/s0219686720500237.

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E-jet is a novel microfabrication technology of producing high-resolution patterns for various application areas like printed electronics, biotechnology, etc. Judicious selection of the operating scenario can improve the quality of the fabrication performance of E-jet. The objective of this study is to experimentally evaluate different operating scenarios of the E-jet microfabrication process while considering the deposited droplet diameter and droplet ejection frequency as performance characteristics simultaneously. Experimentations were carried out on the developed E-jet setup according to t

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Wang, Kainan, Jesse Lomask, and Felix Segovia. "Automatic, geologic layer-constrained well-seismic tie through blocked dynamic warping." Interpretation 5, no. 3 (2017): SJ81—SJ90. http://dx.doi.org/10.1190/int-2016-0160.1.

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Well-log-to-seismic tying is a key step in many interpretation workflows for oil and gas exploration. Synthetic seismic traces from the wells are often manually tied to seismic data; this process can be very time consuming and, in some cases, inaccurate. Automatic methods, such as dynamic time warping (DTW), can match synthetic traces to seismic data. Although these methods are extremely fast, they tend to create interval velocities that are not geologically realistic. We have described the modification of DTW to create a blocked dynamic warping (BDW) method. BDW generates an automatic, optima

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Lapian, Franky Edwin Paskalis, Miswar Tumpu, and Irianto. "Optimizing Asphalt Mixture Performance with Modified Buton Asphalt and Recycled PET using the Response Surface Methodology." Engineering, Technology & Applied Science Research 15, no. 2 (2025): 21440–49. https://doi.org/10.48084/etasr.10179.

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In order to enhance asphalt-concrete mixtures, additives are used to improve durability and resilience to repeated road loads. The present study uses plastic waste as an additive and aims to find the optimal parameters for blending asphalt with additives made from Plastic Bottle Waste (PET) using Response Surface Methodology (RSM). The RSM approach, guided by the Design-Expert 8.0.6 software (Stat-Ease, Inc., Minneapolis, MN, USA), involved the design and analysis of a series of 17 experiments, employing a three-factorial Box-Behnken Design. The experimental design incorporated three primary i

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Nitzke, Alina, Benjamin Niedermann, Luciana Fenoglio-Marc, Jürgen Kusche, and Jan-Henrik Haunert. "Reconstructing the time-variable sea surface from tide gauge records using optimal data-dependent triangulations." Computers & Geosciences 157 (December 2021): 104920. http://dx.doi.org/10.1016/j.cageo.2021.104920.

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Guo, Hao, Anming Bao, Tie Liu, et al. "Determining variable weights for an Optimal Scaled Drought Condition Index (OSDCI): Evaluation in Central Asia." Remote Sensing of Environment 231 (September 2019): 111220. http://dx.doi.org/10.1016/j.rse.2019.111220.

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K.P. Suharyono S. Hadiningrat. "Optimalisasi Pemanfaatan Barang Milik Negara Dalam Rangka Pembiayaan Ibu Kota Negara Nusantara." Jurnal Lemhannas RI 11, no. 1 (2023): 47–57. http://dx.doi.org/10.55960/jlri.v11i1.424.

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Pemindahan Ibu Kota Negara Republik Indonesia dari Jakarta ke Nusantara sebagaimana ditegaskan dalam dalam Undang-Undang No.3 Tahun 2022 tentang Ibu Kota Negara bertujuan menjadi kota berkelanjutan di dunia yang mampu menggerakkan ekonomi Indonesia di masa depan dan menjadi simbol identitas nasional yang merepresentasikan keberagaman bangsa Indonesia berdasarkan Pancasila dan UUD NRI 1945. Untuk mewujudkannya diperlukan biaya besar yang bersumber dari APBN maupun non APBN, namun akibat terdampak oleh covid 19 dan krisis ekonomi global, kondisi perekonomian nasional sangat terbatas untuk membia

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Mai, Hau T., Jaewook Lee, Joowon Kang, H. Nguyen-Xuan, and Jaehong Lee. "An Improved Blind Kriging Surrogate Model for Design Optimization Problems." Mathematics 10, no. 16 (2022): 2906. http://dx.doi.org/10.3390/math10162906.

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Surrogate modeling techniques are widely employed in solving constrained expensive black-box optimization problems. Therein, Kriging is among the most popular surrogates in which the trend function is considered as a constant mean. However, it also encounters several challenges related to capturing the overall trend with a relatively limited number of function evaluations as well as searching feasible points with complex or discontinuous feasible regions. To address this above issue, this paper presents an improved surrogate blind Kriging (IBK) and a combined infill strategy to find the optima

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Zerouali, Mohammed, Abdelghani El Ougli, and Belkassem Tidhaf. "A robust fuzzy logic PI controller for solar system battery charging." International Journal of Power Electronics and Drive Systems (IJPEDS) 14, no. 1 (2023): 384. http://dx.doi.org/10.11591/ijpeds.v14.i1.pp384-394.

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This article discusses a design of a photovoltaic (PV) system that allow charging a battery under variable climatic circumstances. The system under study is composed of two DC-DC converters a boost and Buck converter. The first one is used to extract the maximum power from the PV array through a novel variable step size P&amp;O based MPPT offering a high tracking accuracy compared to classical approaches such PO and INC. The second converters aim at regulating the output voltage and current that feeds the battery using a robust optimal PI (O-PI) which has a faster time response and high ac

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Soldati, Gustavo Taboada, and Ulysses Paulino de Albuquerque. "A New Application for the Optimal Foraging Theory: The Extraction of Medicinal Plants." Evidence-Based Complementary and Alternative Medicine 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/364564.

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The Optimal Foraging Theory was used to identify possible patterns in bark extraction and the selective cutting ofAnadenanthera colubrina(Angico), a medicinal plant. The hypotheses were built on two approaches: selection of collection place and bark exploitation occurrence in only one of these resource areas. The results suggest that the distance that must be traveled to reach each gathering site determines the extent of the extraction process, showing that people minimize the time and energy spent inA. colubrinacollection. The availability of each site appears not to influence the operation.

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Korneev, A. A., A. V. Shchelchkov, and R. A. Korneev. "Inf uence of the variable geometry of the diverter nozzle on the metrological characteristics of a calibration unit with weighing devices." Izmeritel`naya Tekhnika, no. 7 (August 31, 2023): 30–40. http://dx.doi.org/10.32446/0368-1025it.2023-7-30-40.

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This article discusses the issues of improving the metrological characteristics, weight-dimensional and technical and economic indicators of calibration installations with weighing devices due to the introduction of a fl ow switch with a variable nozzle exit geometry into their design. It is assumed that the use of this design of the fl ow switch will solve the problem of fi lling the nozzle exit with water, reduce the dimensions of the hydraulic path, simplify the maintenance procedure, and reduce the cost of installations. A description of the design, principles of operation and a timing dia

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Yu, Deyu, Pingfang Zhou, and Yuhao Jing. "Optimal obstacle avoidance consensus formation control method for fixed-wing UAV with variable topology." Aerospace Systems 5, no. 1 (2022): 75–84. http://dx.doi.org/10.1007/s42401-021-00119-5.

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Chen, Nengcheng, Meijuan Yang, Wenying Du, and Min Huang. "PM2.5 Estimation and Spatial-Temporal Pattern Analysis Based on the Modified Support Vector Regression Model and the 1 km Resolution MAIAC AOD in Hubei, China." ISPRS International Journal of Geo-Information 10, no. 1 (2021): 31. http://dx.doi.org/10.3390/ijgi10010031.

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The satellite-retrieved Aerosol Optical Depth (AOD) is widely used to estimate the concentrations and analyze the spatiotemporal pattern of Particulate Matter that is less than or equal to 2.5 microns (PM2.5), also providing a way for the related research of air pollution. Many studies generated PM2.5 concentration networks with resolutions of 3 km or 10 km. However, the relatively coarse resolution of the satellite AOD products make it difficult to determine the fine-scale characteristics of PM2.5 distributions that are important for urban air quality analysis. In addition, the composition an

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Abouobaida, Hassan, and Said El Bied. "New Optimization Method of the MPPT Algorithm and Balancing Voltage Control of the Three-Level Boost Converter (TLBC)." International Journal of Applied Power Engineering (IJAPE) 6, no. 2 (2017): 113. http://dx.doi.org/10.11591/ijape.v6.i2.pp113-122.

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This paper is dedicated to studying the control of the Three Level Boost Converters (TLBC) and the optimization method of Maximum Power Point Tracking (MPPT) based a variable step. The main objective of the optimization is to find a compromise between the response time and the amplitude of the oscillations around the optimal point. The nonlinear behavior of the TLBC is manifested by the presence of the disturbances. For reasons of simplicity of the control, a linearization based on the dynamic compensation of the disturbance is proposed. On the one hand, a cascaded MPPT algorithm and a simple

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Abouobaida, Hassan, and Said El Bied. "New Optimization Method of the MPPT Algorithm and Balancing Voltage Control of the Three-Level Boost Converter (TLBC)." International Journal of Applied Power Engineering (IJAPE) 6, no. 2 (2017): 114. http://dx.doi.org/10.11591/ijape.v6.i2.pp114-123.

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This paper is dedicated to studying the control of the three level Boost converters (TLBC) and the optimization method of maximum power point tracking (MPPT) based a variable step. The main objective of the optimization is to find a compromise between the response time and the amplitude of the oscillations around the optimal point. The nonlinear behavior of the (TLBC) is manifested by the presence of the disturbances. For reasons of simplicity of the control, a linearization based on the dynamic compensation of the disturbance is proposed. On the one hand, a cascaded MPPT algorithm and a simpl

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Maslik, Jan, Ivo Kuritka, Pavel Urbanek, et al. "Water-Based Indium Tin Oxide Nanoparticle Ink for Printed Toluene Vapours Sensor Operating at Room Temperature." Sensors 18, no. 10 (2018): 3246. http://dx.doi.org/10.3390/s18103246.

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This study is focused on the development of water-based ITO nanoparticle dispersions and ink-jet fabrication methodology of an indium tin oxide (ITO) sensor for room temperature operations. Dimensionless correlations of material-tool-process variables were used to map the printing process and several interpretational frameworks were re-examined. A reduction of the problem to the Newtonian fluid approach was applied for the sake of simplicity. The ink properties as well as the properties of the deposited layers were tested for various nanoparticles loading. High-quality films were prepared and

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Rahmadani, Muhammad, and Sriyono Sriyono. "ANALISIS PENGARUH FINANCIAL TECHNOLOGY DAN LITERASI KEUANGAN TERHADAP PERILAKU MANAJEMEN KEUANGAN DI PT BANK IBK." Jurnal Ilmiah Manajemen, Ekonomi, & Akuntansi (MEA) 9, no. 2 (2025): 975–89. https://doi.org/10.31955/mea.v9i2.5734.

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Tujuan dari penelitian ini yaitu mengevaluasi dampak teknologi keuangan serta pemahaman literasi finansial terhadap kebiasaan pengelolaan keuangan di PT Bank IBK Indonesia. Adapun metode kuantitatif yang digunakan pada penelitian ini yaitu data sekunder dari laporan keuangan Bank IBK Indonesia untuk tahun periode 2019 hingga 2023. Seluruh data keuangan perusahaan selama rentang waktu tersebut dijadikan sampel melalui teknik total sampling. Hasil penelitian menghasilkan teknologi keuangan mempengaruhi perilaku manajemen keuangan secara signifikan, sementara tingkat literasi keuangan tidak memen

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Yoon, Taeyoung, Jaemyung Cho, Sungsoo Na, and Seongho Yoon. "Structural vibration design of a pod structure including an optical system of a fighter aircraft." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 1 (2021): 5555–61. http://dx.doi.org/10.3397/in-2021-3146.

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Structural vibration design of a pod structure including an optical system installed on a fighter aircraft is very significant in improving accuracy of targeting system to the target objects. To reduce and isolate the vibration generated during the flight, it is crucial to properly design the rubber mount between the pod and the aircraft. In this study, free vibration analysis of the pod is conducted through finite element analysis (FEA) and experiments. Correlations are performed with reasonably acceptable accuracy about the natural frequencies, mode shapes, and frequency response functions o

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Cygan, David, Hamid Abbasi, Aleksandr Kozlov, et al. "Full Spectrum Solar System: Hybrid Concentrated Photovoltaic/Concentrated Solar Power (CPV-CSP)." MRS Advances 1, no. 43 (2016): 2941–46. http://dx.doi.org/10.1557/adv.2016.512.

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ABSTRACTGas Technology Institute (GTI), together with its partners University of California at Merced (UC Merced) and MicroLink Devices Inc. (MicroLink) are developing a full spectrum solar energy collection system to deliver variable electricity and on-demand heat. The technology uses secondary optics in a solar receiver to achieve high efficiency at high temperature, collects heat in particles for low fire danger, stores heat in particles instead of molten salt for low cost, and uses double junction (2J) photovoltaic (PV) cells with backside infrared (IR) reflectors on the secondary optical

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Joshi, Dr Manuj. "Applying TOPSIS Method for Optimal Data Mining Algorithm Selection in Software Defect Prediction Systems." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem42520.

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In software defect prediction systems, choosing the best data mining classification algorithm is essential for efficient decision-making. The Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) method for ranking classification algorithms according to several criteria is assessed in this study. Classifiers were evaluated and ranked using the AR1 and JM1 datasets using a structured multi-criteria decision-making (MCDM) methodology. According to the results, Lazy-IBK continuously performs better than other classifiers, demonstrating how well TOPSIS finds the top-performing

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Badby, Andrew J., Peter D. Mundy, Paul Comfort, Jason P. Lake, and John J. McMahon. "The Validity of Hawkin Dynamics Wireless Dual Force Plates for Measuring Countermovement Jump and Drop Jump Variables." Sensors 23, no. 10 (2023): 4820. http://dx.doi.org/10.3390/s23104820.

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Force plate testing is becoming more commonplace in sport due to the advent of commercially available, portable, and affordable force plate systems (i.e., hardware and software). Following the validation of the Hawkin Dynamics Inc. (HD) proprietary software in recent literature, the aim of this study was to determine the concurrent validity of the HD wireless dual force plate hardware for assessing vertical jumps. During a single testing session, the HD force plates were placed directly atop two adjacent Advanced Mechanical Technology Inc. in-ground force plates (the “gold standard”) to simult

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