Relevant bibliographies by topics / Colloid Milling

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Academic literature on the topic 'Colloid Milling'

Author: Grafiati
Published: 4 June 2025
Last updated: 14 July 2025

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Journal articles on the topic "Colloid Milling"

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Zhu, Hong, Wenjie Xu, Tianyu Zhang, Tao Jin, Bing Fang, and Ju Qiu. "Improvement in Storage Stability and Physicochemical Properties of Whole-Grain Highland Barley Pulp Prepared by a Novel Industry-Scale Microfluidizer System in Comparison with Colloid Milling." Foods 13, no. 15 (2024): 2316. http://dx.doi.org/10.3390/foods13152316.

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The aim of this study was to assess the advantages of an industry-scale microfluidizer system (ISMS) to prepare whole-grain highland barley pulp (WHBP) compared with colloid milling. Storage stability was evaluated by particle size, gravity separation stability, and rheological properties, as well as the microstructure observation by scanning electron microscopy (SEM) and confocal laser scanning microscopy (CLMS). The results showed that colloid milling failed to effectively homogenize the material, while ISMS sample surfaces were compact and smooth at higher pressures according to visual observation and SEM. The Turbiscan stability index of WHBP by ISMS was much lower as a result of colloid milling, demonstrating ISMS can improve WHBP stability. WHBP by colloid milling displayed a three-peak particle size distribution pattern, while a single-peak pattern was evident after ISMS treatment. A higher shear rate decreased the apparent viscosity, suggesting that WHBP was a shear-thinning fluid. According to CLMS, ISMS can successfully improve homogenization by disrupting the structures of oil bodies, proteins, and starches. The WHBP prepared by ISMS exhibited a higher β-glucan level than that prepared by colloid milling, and showed a significant increase in β-glucan level with ISMS pressure. These findings indicate that using ISMS to produce WHBP is viable for enhancing its storage stability and nutritional value.
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Lv, Yi. "Rubber Block Granular Control Study in the Crushing Process Waste Tires." Applied Mechanics and Materials 427-429 (September 2013): 333–36. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.333.

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Decreases the broken tire rubber block granularity can shorten tire flour milling process. Cutting the tire rubber block size control during processing method can be changed to achieve. Method by previously cut on the tire tread and an annular notch cut layered tread colloid. Tire crushing process down into tire tread and colloidal cutting kerf. Slitting and cutting the tire during the tire clamped in a fixed state. Maintaining the tire tread and the position of the cutting tool is parallel. Feeding the tool or tire in-process control of the tool infeed depth and speed of rotation of the tire. Cutting the tread rubber on the circular incision is to control the cutting of the plastic dispersion block. Achieve tread colloidal particle size control cutting. Colloidal tread cutting circular incision and control the cutting tool feed rate is achieved rubber block granularity control methods.
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Qin, Chenqiang, Rao Fu, Yaxin Mei, et al. "Combining colloid milling and twin screw pressing for oleosome extraction." Journal of Food Engineering 368 (May 2024): 111908. http://dx.doi.org/10.1016/j.jfoodeng.2023.111908.

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Kim, Tae Hoon, Seung Hyeon Park, Tin Diep Trung Le, Tae Hyun Kim, and Kyeong Keun Oh. "Effects of Colloid Milling and Hot-Water Pretreatment on Physical Properties and Enzymatic Digestibility of Oak Wood." Energies 15, no. 6 (2022): 2210. http://dx.doi.org/10.3390/en15062210.

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A two-step process using colloid milling (CM) and hot water (HW) treatment was evaluated for its ability to improve xylose recovery and the enzymatic digestibility of oak wood. In the first step, CM pretreatment was applied at a milling (feeding) speed of 100 mL/min with four different milling times (3, 6, 9, and 12 h), and the enzymatic digestibility and physical properties of each substrate were measured. In the second-step, the HW pretreatment was applied to enhance the enzymatic digestibility and xylan recovery at various reaction severities (Log R0) from 2.07 to 4.43 using 12 h colloid-milled (CM-treated) oak wood. Compared with untreated oak wood, CM not only significantly disrupted the structure of oak wood but also increased its Brunauer–Emmett–Teller surface area (42-fold) and pore volume (28-fold). The crystallinity of two-step-treated oak wood was decreased to 34.8, while the enzymatic digestibility of 12 h CM-treated oak wood was increased to 58.1% at enzyme loading of 30 filter paper units (FPU)/g glucan for 96 h. After HW treatment of CM-treated oak wood at Log R0 = 3.83, 80.7% of xylan recovery yield and 91.1% of enzymatic digestibility (with 15 FPU/g glucan at 96 h) was obtained, which was 84.2% higher than the enzymatic digestibility of untreated oak wood (6.9%).
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Von Ulardt, Isis, Marlen Springer, and Rafael Valbuena. "Structural characteristics and functional properties of fiber-rich by-products of white cabbage modified by high-energy wet media milling." Food Science and Applied Biotechnology 3, no. 1 (2020): 85. http://dx.doi.org/10.30721/fsab2020.v3.i1.89.

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The recovery of residues and by-products of the food industry plays an important role in terms of sustainable management. For this reason, the aim of this study was to analyse the effect of wet milling parameters on dietary fiber concentrates of white cabbage by products or, more precisely, the stalks of cabbage. The input of hydraulic shear-energy during wet milling process leads to a partial modification of the structure of fiber components to obtain compounds with high water- and oil-binding properties. Furthermore, the wet milling parameters affect the functional properties of the fiber concentrates. A mathematical model was developed which relates the functional properties to the parameters of the colloid mill such as slurry concentration, milling time, agitation speed and particle size distribution. A slurry of the grounded material is forced into the milling gap. Grinding is autogenous as a result of collisions between rotating particles. All of the material in the process stream is being grounded finer than the gap setting and grinding can be optimized by adjusting mill operating parameters. The identification of the relations between milling parameters and functional properties is necessary in order to comprehend the processing characteristics of the material in the context of fiber enriched food products manufacturing.
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Liu, Liang, Jingyi Chenhuang, Yingzhao Lu, Yimin Fan, and Zhiguo Wang. "Facile preparation of nanochitins via acid assisted colloid milling in glycerol." Cellulose 27, no. 12 (2020): 6935–44. http://dx.doi.org/10.1007/s10570-020-03280-w.

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Hoffmeister, Cristiane R. D., Cinira Fandaruff, Maíra A. da Costa, et al. "Efavirenz dissolution enhancement III: Colloid milling, pharmacokinetics and electronic tongue evaluation." European Journal of Pharmaceutical Sciences 99 (March 2017): 310–17. http://dx.doi.org/10.1016/j.ejps.2016.12.032.

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Chin, Yi Ling, Somayeh Taghian Dinani, Wei Ning Chen, and Remko Boom. "The emulsifying performance of brewers' spent grains treated by colloid milling." Innovative Food Science & Emerging Technologies 91 (January 2024): 103541. http://dx.doi.org/10.1016/j.ifset.2023.103541.

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Wei, Yujun, Mi Zhou, Anrong Yao, and Puxin Zhu. "Preparation of Microfibrillated Cellulose from Wood Pulp through Carbamate Modification and Colloid Milling." Applied Sciences 10, no. 6 (2020): 1977. http://dx.doi.org/10.3390/app10061977.

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This paper studies a new convenient method to prepare microfibrillated cellulose from a bleached eucalyptus kraft pulp. First, the wood pulp was reacted with urea to produce cellulose carbamate (CC), and then the CC was treated with colloid mill in an acidic medium. A feasible preparation process for CC was to soak the pulp with the urea solution, and then the cellulose pulp was dewatered, dried, and reacted with urea at high temperatures above the melting point of urea. The Kjeldahl method, infrared spectroscopy, and solid 13C NMR were used to confirm the effectiveness of the reaction. On the basis of CC with the degree of substitution, DS = 0.123, the aqueous suspension with 2% content of CC at pH values of 1, 3, or 7 was severally ground by a colloid milling. After centrifugation, the nanocellulose carbamate fiber (CCNF) in the supernatant was obtained. X-ray diffraction showed that CC and CCNF had the same crystal form as the cellulose pulp, but the crystallinity decreased successively. The nanometer diameter of the CCNF fiber was observed with scanning electron microscopy. Results showed that when the pH value of the CC suspension decreased during the colloid milling, the crystallinity of the CCNF decreased along with the decrease of fiber diameter, and the zeta potential of the supernatant increased. This indicated that carbamate side groups of CC were protonated at low pHs and the cation repulsion between cellulose molecular chains enhanced the driving force of the pulp separation to CCNF. Interestingly, the thermal stability of CCNF is comparable to that of the original cellulose, and the enhancement effect of CCNF on starch can be clearly observed even at a relatively low loading of CCNF.
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Pekmez, Hatice, Oya Özkanlı, Gülten Şekeroğlu, and Ahmet Kaya. "Influence of particle size on the color, rheological, and textural properties of sesame paste." Quality Assurance and Safety of Crops & Foods 17, no. 3 (2025): 146–60. https://doi.org/10.15586/qas.v17i3.1551.

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This study investigates the impact of particle size on the physical, rheological and textural properties of sesame paste prepared from sesame seeds by colloid milling. Four sesame paste samples (SP1–SP4) were processed with varying milling gap sizes. Particle size distribution revealed a significant reduction in particle size with smaller milling gaps, resulting in finer pastes with decreased oil separation. Finer particles enhance lightness, thereby contributing to the visual appeal of the product while also decreasing yellowness index. The finest sample exhibited the smallest D50 value. Rheological behavior was modeled using the Herschel–Bulkley model, showing that both yield stress and consistency coefficient decreased as particle size diminished. The creep test results, fitted using the four-element Burger’s model, revealed that smaller particles led to higher initial compliance (Jo), retarded compliance (J1), and retardation period (λ), indicating increased material flexibility and longer stress-relaxation period. Viscosity (η) increased significantly with reduced particle size, suggesting greater internal resistance to flow, probably because of enhanced particle interactions. The textural analysis confirmed that finer particles resulted in lower hardness and work of shear, leading to a softer and a more easily spreadable paste. In industry, optimizing particle size distribution ensures desirable product qualities, consistency, and consumer satisfaction.
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Books on the topic "Colloid Milling"

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Aarts, D. G. A. L. Soft interfaces: the case of colloid–polymer mixtures. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198789352.003.0013.

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In this chapter we discuss the interface of a phase separated colloid-polymer mixture. We start by highlighting a number of experimental studies, illustrating the richness of colloidal interface phenomena. This is followed by a derivation of the bulk phase behaviour within free volume theory. We subsequently calculate the interfacial tension using a squared gradient approach. The interfacial tension turns out to be ultralow, easily a million times smaller than a molecular interfacial tension. From the bulk and interface calculations we obtain the capillary length and compare to experiments, where good overall agreement is found. Finally, we focus on the thermal capillary waves of the interface and derive the static and dynamic height–height correlation functions, which describe the experimental data very well. We end with an outlook, where we address some outstanding questions concerning the behaviour of interfaces, to which colloids may provide unique insights.
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Book chapters on the topic "Colloid Milling"

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Casati, Riccardo. "Consolidation of Al Powder and Colloidal Suspension of Al2O3 Nanoparticles after 2 h Ball Milling." In SpringerBriefs in Applied Sciences and Technology. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27732-5_4.

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Casati, Riccardo. "Consolidation of Al Powder and Colloidal Suspension of Al2O3 Nanoparticles After 16 h Ball Milling." In SpringerBriefs in Applied Sciences and Technology. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27732-5_5.

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Casati, Riccardo. "Consolidation of AL Powder and Colloidal Suspension of Al2O3 Nanoparticles After 24 h Ball Milling." In SpringerBriefs in Applied Sciences and Technology. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27732-5_6.

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"Nano World." In Advances in Multimedia and Interactive Technologies. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-4627-8.ch011.

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This part of the book provides information and projects for the readers about the omnipresence of nanoscale objects – soft matter, colloids, liquid crystals, carbon nanotubes, nanoshells, and the developments in nanoscale and molecular-scale technologies involving these small structures. Nanotechnology concerns structures measuring between 1 and 100 nanometers and allows manipulating individual atoms and molecules. Since Norio Taniguchi of Tokyo Science University first used the term nanotechnology in 1974, the governments, corporations, and venture capitalists invest every year billions of dollars in nanotechnology and more than a half of advanced technologies incorporate nanotechnology products in different ways. In addition, developments in nanotechnology demand hiring in millions of trained nanotechnology workforce (Nano.gov, 2012).
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Mee, Nicholas. "Pan Galactic Gargle Blaster." In The Cosmic Mystery Tour. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198831860.003.0017.

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The sources of short gamma ray bursts (GRBs) have been identified with neutron star merger events. Hulse and Taylor discovered the first binary neutron star in 1974. By monitoring the pulsar in this system the orbital characteristics of the system have been determined with great accuracy. This has led to tests of general relativity, including the first confirmation of the existence of gravitational waves. The emission of this radiation is gradually bringing the two neutron stars together. They will collide and merge in about 300 million years.
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Whitten, Tony, Sengli J. Damanik, Janzanul Anwar, and Nazaruddin Hisyam. "Background." In The Ecology of Sumatra. Oxford University PressOxford, 2001. http://dx.doi.org/10.1093/oso/9780198508274.003.0001.

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Abstract About 250 million years ago, at the beginning of the Mesozoic era (table 1.1), the earth’s continents formed a single land called Pangea. During the Triassic, roughly 230 million years ago, Pangea broke into two, with Laurasia (North America, Europe and Asia) splitting off from Gondwanaland (India, Australia, Africa, South America and Antarctica). Gondwanaland began to split into its separate parts 200 million years ago during the Jurassic, and India floated towards Asia at about 10-18 cm per year (figs. 1.1 and 1.2). By the early Tertiary, about 70 million years ago, India and the plate on which it lay began to collide with and move under Asia. Its major thrust caused the uplift of the Himalayas, and one of the associated thrusts caused the uplift of the Barisan Mountains that run the length of Sumatra. The movement of the Indian Plate under Asia caused great earthquakes, and although the rate of movement is now less, almost all the earthquakes experienced in Sumatra (and Java, Burma, etc.) today are caused by those continuing movements. The main parts of Southeast Asia remained in more or less their present relative positions throughout this period although their absolute positions moved north and south of the equator.
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Apolloni, Alexandra M. "England Meets Jamaica’s Lollipop Girl." In Freedom Girls. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780190879891.003.0005.

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Black Jamaican singer Millie Small’s “My Boy Lollipop” was one of the first global pop hits with origins in Jamaican pop music. British commentators caricatured Small’s Jamaican background while construing her as the ideal ambassador to bring Jamaican pop to white British audiences. This chapter listens to Millie Small’s voice in this context. Despite attempts to diminish her accent, Small’s distinctive voice proved difficult to discipline and its reception reveals how ideas about sonic femininity collide with racist anxiety. The chapter closely attends to the way she sings “My Boy Lollipop,” and the way that Black and white audiences responded to her voice. It then discusses her performance on the iconic Around the Beatles TV special, which allows us to hear her voice in the context of competing discourses of modernity. The chapter concludes by reflecting on one of Small’s later recordings—the antiracist anthem “Enoch Power.”
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Klotzko, Arlene Judith. "Animal Cloning: The Pet Paradigm." In The Cloning Source Book. Oxford University PressNew York, NY, 2001. http://dx.doi.org/10.1093/oso/9780195128826.003.0015.

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Abstract Two years after the birth of Dolly the sheep, and eight months after Dr. Richard Seed—the eccentric physicist and would-be cloner of humans for cash—took his brief turn on the world stage, cloning returned to the news. Not with a bang or even with a bleat. This time it was a bark. Scientists at Texas A&M University announced that they were poised to clone—for a $2.3 million reward—a pet dog named Missy, an 11 year old border collie/husky mix, adopted from the pound by an adoring and very rich American couple who have zealously guarded their anonymity.
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Jamieson, Dale. "On the Ethics of the Use of Animals in Science (with Tom Regan)." In Morality’s Progress. Oxford University PressOxford, 2002. http://dx.doi.org/10.1093/oso/9780199251445.003.0008.

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Abstract As you read this, animals are being killed, burned, radiated, blinded, immobilized, and shocked. They are being locked and strapped into the Noble Collip drum, tossed about at the rate of 40 revolutions per minute and thrust against the iron projections that line the drum. This procedure crushes bones, destroys tissues, smashes teeth, and ruptures internal organs. Right now, somewhere, animals are in isolation, deprived of all social contact, while others are in alien environments, manipulated into cannibalizing members of their own species. It is not just a few animals at issue. In the year 1978 alone, about 200 million animals were used for scientific purposes, about 64 million of these in the United States. This number includes 400,000 dogs, 200,000 cats, and 30,000 apes and monkeys. From anyone’s point of view, these are disagreeable facts, but some will say they are the concern of scientists only. We who are not scientists cannot get off the hook so easily, however.
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Kay, Kavyta. "It’s just not cricket: (green) parks and recreation in COVID times." In COVID-19 and Racism. Policy Press, 2023. http://dx.doi.org/10.1332/policypress/9781447366737.003.0007.

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One, among many, areas of inequality that COVID-19 has placed a spotlight on is access to green spaces. That the nation’s local parks and green spaces have been a lifeline during the pandemic is a widely agreed upon sentiment; yet while these have been invaluable, the Green Space Index released in 2020 revealed that 2.7 million people in Great Britain do not have access to such a space. Additionally, a survey by Friends of the Earth (2020) found that 42 per cent of people of Black, Asian and Minority Ethnic backgrounds live in England’s most green space-derived neighbourhoods. If green spaces enable wellbeing practices such as walking, exercising and playing in the park, then the question of who gets to inhabit these spaces invariably arises. Over the course of the pandemic, recreational cricket, a sport widely played by South Asian communities nationwide in these green spaces, was confronted with this question of access, which further took on an intersectional dimension as we see notions of privilege, race and identity collide in particular ways, and which is explored in this chapter.
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Conference papers on the topic "Colloid Milling"

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Kaya, Eda, Timothy Durrett, Scott Bean, Valentina Trinetta, and Umut Yucel. "Effect of High Oleic Acetyl Triacylglycerol (acetyl-TAG) on Functional Properties of Biodegradable Sorghum DDGS Packaging Film." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/vrtb4074.

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Justification: Biodegradable packaging films from biodiverse resources have gained popularity around the world in recent years due to environmental and sustainability concerns. A general challenge with biopolymer-based films is resistance against moisture and mechanical strength. We hypothesized that the functional properties of films from biopolymers can be improved by the presence of the sn-3 acetyl group of TAG, obtained from transgenic Camelina sativa. Objective:The aim of this study was to investigate the effect of acetyl-TAG as a plasticizer on the physiochemical properties of sorghum DDGS films.Methods:The acetyl-TAG with high oleic fatty acid composition (ca.70%) was extracted from transgenic camelina seeds using hexane. The composition of the purified oils was characterized by thin layer chromatography (TLC) and LC-MS. Sorghum DDGS were pretreated via wet (Colloid mill) and dry milling (Udy mill), and co-dissolved with gum plasticizers in a mixture of organic (i.e., ethanol, chloroform) and aqueous solvents. The acetyl-TAG was added to the mixture as a plasticizer (0, 0.1, 0.2% w/v). Films were characterized for their thermal properties (DSC), tensile strength, elongation (texture analyzer), thickness (micro caliper) and color (Hunter LAB colorimeter). ResultsAddition of acetyl-TAG significantly affected the mechanical properties of the films. Tensile strength significantly (p< 0.05) increased to 39.54 ± 0.04 MPa when acetyl-TAG (0.2% w/v) was added as compared to 20.77 ± 0.03 MPa of films without ace-TAG. The plasticizing resistance increased with the highest enthalpy of melting (2.51 J) for the films with 0.2% (w/v) ace-TAG. Physical properties, such as color, were significantly improved by addition of acetyl-TAG (i.e., the maximum lightness L* (66.7) obtained in with 0.2% ace-TAG).Significance:High oleic acetyl-TAG from engineered Camelina seeds can be used to improve the physicochemical properties of sorghum DDGS films as a novel and high-yield plasticizer.
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Supriyono, Supriyono, Ngafwan Ngafwan, and Wijianto Wijianto. "Synthesis of Nanoparticles from Bamboo Charcoal." In 6th International Conference on Advanced Materials Science. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-stb6gw.

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The aim of this work is to synthesis nanoparticles from bamboo charcoal and identify the majority elements of the nanoparticles. The bamboo charcoal is made by pyrolysis process. The charcoal was manually pulverized before being sieved through a filter with a mesh size of 200. The synthesis of the nanoparticle was conducted by using a top-down approach of ball milling process. The charcoal powder that had passed through the filter and the milling balls of steel were then poured into a vial of glass. In the vial, the milling operation was carried out. The vial had a diameter of 71 mm and a length of 119 mm, while the ball's diameter was 0.25 inches. To have the balls collide and reduce the size of the charcoal particles, the vial was rotated. 5 million cycles at 500 revolutions per minutes were performed on the shaker machine. The empty space in the vial was one third of vial volume for the movement of the milling balls. The ball milling process was separated into two conditions, namely dry and wet. For the wet procedure, the particles are filtered to separate the particles based on their size. The particle morphology, size, and elements in the particle produced by the process were examined using a scanning electron microscope (SEM) and an Energy Dispersive X-ray (EDX). The results showed that the size of the particles of the dry procedure is un-uniform in the range of about 300 nm to 600 nm with irregular shape. The dominant element is carbon. The wet procedure produced a more uniform size in the range of 100 nm to 200 nm with also irregular shape. The most dominant element is also carbon.
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Senna, Mamoru, Nicholas Myers, Anne Aimable, et al. "Change in the Colloidal Properties with Simultaneous Surface Functionalization of Titania Nanoparticles by Attrition Milling in Aqueous Solutions of Amino Acids." In 5th Asian Particle Technology Symposium. Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-2518-1_225.

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A. Sandoval, Neyder, Sergio Sánchez Delgado, Daniel Serrano Garcia, and Sophia A. Tsipas. "Surface Modification Of An Aluminium Alloy Powder (Al2024) With SiC Nanoparticles For Application In Additive Manufacturing." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235765429.

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Additive manufacturing (AM) is booming at an industrial level due to the possibility of producing components of complex geometry, while reducing use of raw materials, cost and time. However, in many processes there is still a lack of understanding of the composition-processing-microstructure relationship and a limited range of raw material compositions, as well as reproducibility problems. In search of improving these problems, surface modification of an aluminium alloy powder (Al2024) for its use in AM is proposed. A fluidized bed reactor was used for the surface functionalization with SiC nanoparticles. SiC nanoparticles were produced by milling and dispersed in colloidal suspensions. Homogeneity, stability, and rheology of the suspensions was studied. A homogeneous deposition of the nanoparticles on the host particles in the fluidized bed was obtained. The properties of samples produced with the modified powders were evaluated in comparison with samples produced with unmodified powders.
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Leonhardt, Darin, Thomas Beechem, Matthew Cannon, et al. "Impacts of Substrate Thinning on FPGA Performance and Reliability." In ISTFA 2021. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.istfa2021p0423.

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Abstract Global thinning is a technique that enables backside failure analysis and radiation testing. In some devices, it can also lead to increased thresholds for single-event latchup and upset. In this study, we examine the impacts of global thinning on 28 nm node FPGAs. Test devices are thinned to 50, 10, and 3 μm via CNC milling. Lattice damage, in the form of dislocations, extends about 1 μm below the surface, but is removed by polishing with colloidal SiO2. As shown by finite-element modeling, thinning increases compressive global stress in the Si while solder bumps (in flip-chip packages) increase stress locally. The results are confirmed by stress measurements obtained through Raman spectroscopy, although more complex models are needed to account for nonlinear effects in devices thinned to 3 μm and heated to 125°C. Thermal imaging shows that increased local heating occurs with increased thinning, but the maximum temperature difference across the 3-μm die is less than 2°C. Ring oscillators throughout the FPGA fabric slow about 0.5% after thinning and another 0.5% when heated to 125°C, which is attributed to stress changes in the Si.
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Xiao, Huining, Robert Pelton, and Archie Hamielec. "Novel Non-ionic Polymeric Flocculants for Mechanical Pulps: An Overview." In The Fundamentals of Papermaking Materials, edited by C. F. Baker. Fundamental Research Committee (FRC), Manchester, 1997. http://dx.doi.org/10.15376/frc.1997.2.1121.

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Novel comb copolymer with long polyacrylamide backbones bearing very short polyethylene glycol (PEG) pendant chains were prepared by the free-radical copolymerisation of acrylamide (AM) and PEG acrylate macromonomers. The copolymers are effective retention aids for mechanical pulps in retaining fines and precipitated calcium carbonate (PCC). The optimum copolymer stricture had a molecular weight greater than 3 million and contained 0.5 – 1 .0 % of PEG pendant chains with 9 to 23 polyether repeat units. The retention of fines induced by copolymer/phenolic resin (PFR) dual-polymer system follows the mechanism called “complex bridging flocculation” . According to this mechanism, the copolymer molecules aggregate in the presence of PFR to form a colloidal dispersed polymer complex which hetero-flocculates with fine particles. The interpolymer complex formation were experimentally observed through precipitate isotherms measurement, dynamic viscosity measurement and fluorescent microscopy.
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CRETU, Raluca Florentina, Florin DOBRE, Radu Florin CHIOTA, and Carina Ilinca GOMBOS. "THE INFLUENCE OF THE BUDGET ON NATIONAL SECURITY IN THE CONTEXT OF ECONOMIC CRISIS." In INTERNATIONAL MANAGEMENT CONFERENCE. Editura ASE, 2024. http://dx.doi.org/10.24818/imc/2023/01.17.

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Globalization has brought with it new opportunities. Substantial growth in the developing world, led by China, has lifted millions of people out of poverty. But globalization has also led to more complex and interconnected threats. The arteries of our society - such as IT systems and energy supply - are more vulnerable. Global warming and environmental degradation are changing the face of our planet. Moreover, globalization accelerates changes in power relations and highlights differences in values. The recent financial crisis has destabilized both developed and developing economies. As other crises are expected to spread in a domino effect, redefining national security will be essential for states and regional organizations. But in this process the decisions could collide with the assumed international obligations. Rethinking the national security agenda will certainly face issues that require the protection of certain strategic sectors that have a greater negative impact on the climate neutrality policy.
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Ghemri, Lila. "A User Centered Approach to Managing Privacy in Online Social Networks." In InSITE 2015: Informing Science + IT Education Conferences: USA. Informing Science Institute, 2015. http://dx.doi.org/10.28945/2247.

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Since their initial introduction in the early 90’s, the popularity of web based online social networking sites has been growing exponentially, encompassing millions of users. As these social networks continue to grow and become more popular, users’ different social circles (friends, family, and colleagues) are very likely to collide, as they all coexist under the same infrastructure. Considering the different levels of relationships between a user and their social circles, concerns about privacy arise. How does a user conceal private data? Who has access to it? And what is the most effective way in managing it? Many different approaches have been taken by online social network providers to give users more control over their data, but these methods have not always been affective, resulting in the misuse of the data or unintentional disclosure. We propose a new framework that aims at reducing risks of privacy violation by giving the user better and more intuitive ways to manage their social circles and control who accesses what type of data.
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9

Motoranu, Emilia Andreea. "Alexandru Ciorănescu ‒ contributions to the etymology of the Romanian language." In Conferință științifică internațională "FILOLOGIA MODERNĂ: REALIZĂRI ŞI PERSPECTIVE ÎN CONTEXT EUROPEAN". “Bogdan Petriceicu-Hasdeu” Institute of Romanian Philology, Republic of Moldova, 2023. http://dx.doi.org/10.52505/filomod.2023.17.12.

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The Romanian language has gone through countless trials and vicissitudes, from the first Latin words that came to collide with the speech of the natives of Dacia, until the modern era. After, in the first centuries after Christ, it managed to consolidate itself on an area that stretched from the Black Sea to the Adriatic Sea and from the Balkans to the Wooded Carpathians, becoming a true "lingua franca" of the inhabitants of Europe from East, it had to yield to the newcomers, restricting itself to the hearths where it is spoken today by approximately eighteen million "Daco-Romanians", a few hundred thousand Aromanians, a few thousand Megleno-Romanians and barely a few hundred Istro-Romanians. The interest of the Romanian language in terms of the general study of European languages was imposed early on and is constantly growing. In this sense, the present article aims to present Alexandru Ciorănescu’s approach, to develop and complete an etymological dictionary over five thousand kilometers away from the country, which must be considered a huge effort. The Etymological Dictionary of the Romanian Language is a work and information tool made available to those interested not only in the Romanian language, but also in other languages (Romance, Slavic, etc.) with which it had connections during its history. The edition in Romanian is intended to be a modest tribute to the scholar Alexandru Ciorănescu, a prominent personality of Romanian philology and culture.
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10

Yang, Michael Y., Gary H. Koopmann, George A. Lesieutre, and Stephen A. Hambric. "Attenuation of High Amplitude Vibrations With Particle Dampers." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32689.

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Fluid transport systems are rarely at steady state. Transient phenomena, such as water hammer, can inflict severe physical damage. Repair costs can soar into the millions of dollars (Myers, 1997), and can reduce or even halt operation. Such high amplitude vibrations may be attenuated with particle dampers, which are beds of small particles placed in an attached enclosure or contained void. Vibration of the enclosure causes the particles to collide with each other and with the enclosure walls, resulting in energy dissipation through inelastic impacts and friction. Particle dampers have many advantages over conventional viscoelastic treatments including lower cost, increased robustness, greater effectiveness at high amplitudes and the ability to operate in extreme-temperature environments. Previous papers focus on exploration of sensitivity to design parameters, modeling techniques, and effective applications. However, there still remains much that is unknown about the phenomena and design of particle dampers. In this paper, experiments were performed to explore the effects of friction, excitation amplitude, and particle gap size. The formation of an oily residue on the colliding surfaces when certain materials were used increased friction and reduced damper effectiveness. This agrees with the theoretical prediction made by Mansour and Filho (1974). Damping was found to peak at an optimum gap size. Increasing the excitation amplitude resulted in higher damping and reduced sensitivity to the optimum gap size. Overall, the particle damper was deemed to be successful, increasing the loss factor of a clamped beam by over 10 times with a damper/structure mass ratio of only 0.016.
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