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Relevant bibliographies by topics / Foreign impurities

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Academic literature on the topic 'Foreign impurities'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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Journal articles on the topic "Foreign impurities"

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Nuralin Beket B. and Janaliyev Y. "Justification of design-mode parameters separating device." Novosti nauki Kazahstana, no. 3 (September 30, 2024): 76–91. http://dx.doi.org/10.53939/1560-5655_2024_3_76.

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In Kazakhstan, the basis of the country's food security is livestock products. Increasing the production of livestock products is impossible without creating a strong feed base, high-quality preparation of feed, rational use and reduction of feed losses. Preparation of coarse stem feed for feeding requires grinding with feed grinding and mixing machines to obtain balanced feed mixtures. The grinding process is complicated by the fact that, along with coarse stem feed, foreign solid impurities enter, which damage the cutting organs of machines and cause a long shutdown of the entire feed prepar

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Zhang, Xiang, Omar Alhendi, Siti Hafizah Ab Hamid, Nurul Japar, and Adibi M. Nor. "A Computer Vision Model for Seaweed Foreign Object Detection Using Deep Learning." Sustainability 16, no. 20 (2024): 9061. http://dx.doi.org/10.3390/su16209061.

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Seaweed foreign object detection has become crucial for food consumption and industrial use. This process not only can prevent potential health issues, but also maintain the overall marketability of seaweed production in the food industry. Traditional methods of inspecting seaweed foreign objects heavily rely on human judgment, which deals with large volumes with diverse impurities and can be inconsistent and inefficient. An automation system for real-time seaweed foreign object detection in the inspection process should be adopted. However, automated seaweed foreign object detection has sever

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H., E. Turdiyev, Tursunaliyeva D., and Hayitova M. "IMPROVEMENT OF THE COLUMN GRID OF THE VTM TYPE FIBER CLEANER USED IN FOREIGN TECHNOLOGY." JOURNAL OF SCIENCE-INNOVATIVE RESEARCH IN UZBEKISTAN 2, no. 2 (2024): 583–88. https://doi.org/10.5281/zenodo.10722094.

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This study explores the enhancement of VTM (Vertical Tube Module) type fiber cleaning equipment, widely utilized in foreign technology, through an increase in the number of columns. The objective is to extend the fiber splitting time and improve cleaning efficiency. The impurities found in cotton fibers are classified as active and passive, originating from mineral and organic sources, as well as impurities in seeded cotton. These impurities, introduced during the ginning process, significantly impact fiber quality. In textile factories, residual impurities such a

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Zhu, Li, Xiaomeng Chong, Yu Zhao, Mingzhe Xu, and Lihui Yin. "Nanocomposite Detection of Elemental Impurities and Process Correlation Analysis of Ceftriaxone Sodium for Injection." Nanoscience and Nanotechnology Letters 12, no. 12 (2020): 1458–63. http://dx.doi.org/10.1166/nnl.2020.3261.

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An inductively coupled plasma spectroscopy method was established to detect 29 elemental impurities in ceftriaxone sodium for injection by nanocomposite, and also used to detect the elemental impurities in the generic, domestic original and foreign original ceftriaxone sodium for injection. This paper for the first time analysed the possible sources of elemental impurities and their potential impacts on the drug quality based on the process. The results showed that zinc and potassium were detected in both the generic drug and the domestic original ceftriaxone sodium for injection, and zinc was

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Kadnikova, Olga, Botagoz Nurmukhambetova, Kalamkul Kozhabergenova, Marzhan Omarbekova, and Gulmira Sarbassova. "Optimization of Technology for the Use of Spinning Waste in Yarn Production." Environmental and Climate Technologies 26, no. 1 (2022): 1080–91. http://dx.doi.org/10.2478/rtuect-2022-0081.

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Abstract The paper considers issues related to the development of technology for the use of spinning waste in the production of cotton yarn. The process of forming a column of cotton fibers with included waste in an improved feeder-hopper of a loosening-scutching unit designed for cleaning from foreign impurities and dust is theoretically analysed. The optimal design parameters of an improved hopper-feeder with perforated walls have been determined depending on the performance of the loosening-scutchingunit. The approximate distribution of the concentration of foreign impurities and dust is de

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Prokopov, I. A., E. L. Kovaleva, E. D. Minaeva, and A. D. Avtushenko. "Impurities in Animal-Derived Medicines (Relevant Issues)." Bulletin of the Scientific Centre for Expert Evaluation of Medicinal Products. Regulatory Research and Medicine Evaluation 12, no. 3 (2022): 277–87. http://dx.doi.org/10.30895/1991-2919-2022-12-3-277-287.

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The global anthropogenic load on the biosphere results in a potentially unmanageable problem of ecosystem pollution with organic and inorganic impurities, which may carry significant risks for human health. Therefore, the development and production of medicinal products from raw materials of animal origin require a careful risk-based assessment of impurities that may be found in the finished product. The aim of the study was to categorise the impurities in animal-derived medicines, identify and characterise specific impurity groups, and suggest a control methodology. The article reviews the fa

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Dudenkova, M. E., L. N. Grushevskaya, M. S. Sergeeva, et al. "HPLC Determination of foreign impurities in tropoxin parent substance and tablets." Pharmaceutical Chemistry Journal 45, no. 12 (2012): 761–65. http://dx.doi.org/10.1007/s11094-012-0720-5.

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Litvinenko, A. V., R. I. Tarasova, and K. V. Pinyagin. "Quality control of phosphabenzide." Kazan medical journal 76, no. 3 (1995): 204–5. http://dx.doi.org/10.17816/kazmj100639.

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The quality control of phosphabenzide (hydrazide of diphenylphosphinylacetic acid) as a pharmacopeial preparation is estimated by the following indices: specification, solubility, melting temperature, transparency and chrominance of solutions, iron, foreign impurities, quantitative determination on the basis of the complex of physical, physicochemical and chemical methods.

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Dobra, Gheorghe, Santiago Garcia-Granda, Sorin Iliev, et al. "Aluminum Hydroxide Impurities Occlusions and Contamination Sources." Revista de Chimie 71, no. 9 (2020): 65–76. http://dx.doi.org/10.37358/rc.20.9.8318.

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This paper is reporting the data concerning impurities occlusion in the dried, milled and classified aluminum hydroxide, the sources of contamination and the ways to control the purity of classified aluminum hydroxide as raw material for special aluminas. Mainly, all the micronic size particles, floating in the super-saturated Bayer liquors, are potential sources of occluded impurities in the aluminum hydroxide particles. There are several mechanisms for embedding the impurities in crystalline substances. Of these, most probable ones in the Bayer alumina process are: a) occlusion of the spent

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Yuan, Shihua, Qiang Xu, Bing Dai, Yonggao Li, and Penghui Wang. "Research on high-precision and high-speed filtration methods for synthetic cutting fluid." Journal of Physics: Conference Series 2955, no. 1 (2025): 012037. https://doi.org/10.1088/1742-6596/2955/1/012037.

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Abstract During the mechanical processing of large aluminum alloy parts, deterioration of synthetic cutting fluid accelerated by foreign impurities can easily lead to the surface corrosion phenomenon of aluminum alloy parts, affecting the surface quality of the parts. This work analyzed the improvement of synthetic cutting fluid performance under high-precision filtration by using a silicon carbide filter with 100 nm precision. After high-precision filtration, the residual rate of solid impurities in the synthetic cutting fluid was 0.09%, the residual rate of oil impurities was 4%, and the res

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Dissertations / Theses on the topic "Foreign impurities"

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Hsu, Chen-Jen Reynold. "The Influence of Foreign Gaseous Impurities on The Performance of an Industrial CO2 Laser /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487933648651366.

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Левчук, Ірина Володимирівна. "Науково-методологічні основи удосконалення технохімічного контролю сировини і готової продукції олійножирових виробництв". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/39036.

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Дисертація на здобуття наукового ступеню доктора технічних наук за спеціальністю 05.18.06 − технологія жирів, ефірних масел і парфумерно-косметичних продуктів – Національний технічний університет "Харківський політехнічний інститут" Міністерства освіти і науки України, Харків, 2018 р. Дисертаційну роботу присвячено науковому обґрунтуванню застосування системного комплексного підходу щодо створення сучасних схем технохімічного контролю сировини і готової продукції олійножирових виробництв з використанням виключно інструментальних методів аналізу: газорідинної хроматографії, високоефективної рі

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Левчук, Ірина Володимирівна. "Науково-методологічні основи удосконалення технохімічного контролю сировини і готової продукції олійножирових виробництв". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/39037.

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Дисертація на здобуття наукового ступеню доктора технічних наук за спеціальністю 05.18.06 − технологія жирів, ефірних масел і парфумерно-косметичних продуктів – Національний технічний університет "Харківський політехнічний інститут" Міністерства освіти і науки України, Харків, 2018 р. Дисертаційну роботу присвячено науковому обґрунтуванню застосування системного комплексного підходу щодо створення сучасних схем технохімічного контролю сировини і готової продукції олійножирових виробництв з використанням виключно інструментальних методів аналізу: газорідинної хроматографії, високоефективної р

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Book chapters on the topic "Foreign impurities"

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Williams, Jim A., James A. Langeland, Bruce S. Thalley, James B. Skeath,, and Sean B. Carroll. "Expression of foreign proteins in E. coli using plasmid vectors and purification of specific polyclonal antibodies." In DNA Cloning 2. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780199634798.003.0002.

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Abstract For several decades antibodies have been used to identify, localize, quantitate, and analyse proteins. Before the advent of gene cloning, only natural sources were available for the isolation of proteins to which antibodies were raised. Low protein yields and impurities often compromised the quality and quantity of antibodies that could be produced. In addition, the vast majority of proteins that play critical roles in regulating cellular processes were completely unknown. As powerful genetic approaches have been devised to isolate the genes involved in a vast array of biological proc

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Beránek, Ondřej, and Pavel Ťupek. "Graves and Shrines in Medieval Islam: From Pre-Islamic Times to Ibn Taymiyya’s Legacy." In The Temptation of Graves in Salafi Islam. Edinburgh University Press, 2018. http://dx.doi.org/10.3366/edinburgh/9781474417570.003.0002.

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This chapter provides an overview of the broader context within which debates regarding graves, funeral architecture and ziyāra have taken place. The early Islamic interdictions against certain funerary structures and grave-related rites did not arise in a vacuum. Therefore, the chapter contextualises these debates and the gap that began to emerge between the traditionalists’ (Ahl al-hadith) vision of ideal Islam and the reality of popular Islam. The chapter also offers a detailed focus on the teachings of Ibn Taymiyya, as it was his narrative of Islamic history and the ideal Islamic community

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Conference papers on the topic "Foreign impurities"

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Liestmann, Zoe, Stefan Püschel, Sascha Kalusniak, Christian Kränkel, and Hiroki Tanaka. "Impact of foreign rare-earth impurities on optical refrigeration of Yb:YLF." In Photonic Heat Engines: Science and Applications VII, edited by Masaru K. Kuno, Peter J. Pauzauskie, and Denis V. Seletskiy. SPIE, 2025. https://doi.org/10.1117/12.3041782.

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Welchinska, O. V., I. V. Nizhenkovska, and S. A. Kharlampovych. "Peculiarities of HPLC analysis of the content of the sorbitol substance for the presence of accompanying impurities." In INNOVATIONS IN MEDICINE: ACHIEVEMENTS OF DOMESTIC AND FOREIGN REPRESENTATIVES. Baltija Publishing, 2024. http://dx.doi.org/10.30525/978-9934-26-439-9-24.

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Steglich, K. H., and H. Harde. "Laser Cleaning of Radioactively Contaminated Surfaces." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cmf7.

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Within the scope of surface cleaning a Nd YAG laser seems to become a standard for cleaning of antiques, stone facades or other objects suffering from dust and environmental impacts Cleaning is understood as a process which eliminates buggy foreign bodies. The object of such process is to remove impurities or an upper layer covering the original surface without affecting or destroying the underlying structure.

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Seerangan, Murugesan, Jalindar Walunj, and Somayajula Kishore Kumar. "Review of the State of Art in the Life Evaluation Technologies of Gas Turbine Parts." In ASME 2012 Gas Turbine India Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gtindia2012-9587.

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Gas turbine parts used in today’s aircraft and power generation applications are experiencing one of the most challenging mechanical and thermal operating environments. While there is a compelling need for more realistic life predictions of turbine components for safer operation, it is important from contractual service costing perspective as well. Therefore, design engineers should strike a balance between component safety and life cycle cost by carefully incorporating design conservatism in life estimation processes and tools used in the design of these components. This paper outlines some o

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Kamalova, Alina, Alexander Gordeev, Alexey Chalenko, Lilya Biktasheva, and Polina Kuryntseva. "COMPARISON OF TWO METHODS OF PURIFICATION OF LIPOPEPTIDES PRODUCED BY BACILLUS SUBTILIS HZMJW 1-10 ISOLATED FROM OIL-CONTAMINATED SOIL." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/6.2/s25.17.

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Biosurfactants produced by soil microorganisms are now widely used in various industries and are able to compete with synthetic detergents. However, in contrast with chemical surfactants, biological ones have disadvantage: it is difficult to obtain the product of high purity since the microbes usually produce a complex mixture of compounds, besides the cultural medium itself contains a lot of various components. Thus, the conventional scheme of lipopeptide isolation involves acid precipitation, extraction with the solvent, filtration and drying. However, it is reported that often the biosurfac

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Jarvis, Julie M., Allen T. Vieiria, Paul J. Babel, and Paul J. Kochis. "Eliminating Steam Blow Piping Overcleaning During Power Plant Startup." In ASME 2008 Power Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/power2008-60129.

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This paper investigates and justifies the use of a minimum necessary cleaning force ratio or cleaning factor for steam blows. Steam line blowing is an operational cleaning method used to clean steam piping and reheaters prior to turbine powering for steam power plants. The steam blows remove weld bead deposits, slag, debris, surface scale, and other foreign materials which could be carried into the steam turbines and damage the turbine blades during normal plant operation. Piping is blown, bypassing the turbine, with sufficient boiler pressure to ensure the dynamic pressure throughout the pipi

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