Academic literature on the topic 'SiO2 nano-particles'

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Journal articles on the topic "SiO2 nano-particles"

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Ni, Jun, Lei Zhang, Chengjun Wang, Weibo Wang, and Ge Jin. "Study on the Effect of Cations on the Surface Energy of Nano-SiO2 Particles for Oil/Gas Exploration and Development Based on the Density Functional Theory." Molecules 29, no. 4 (2024): 916. http://dx.doi.org/10.3390/molecules29040916.

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Although nano SiO2 exhibits excellent application potential in the field of oil and gas exploration and development, such as drilling fluid, enhanced oil/gas recovery, etc., it is prone to agglomeration and loses its effectiveness due to the action of cations in saline environments of oil and gas reservoirs. Therefore, it is crucial to study the mechanism of the change in energy between nano SiO2 and cations for its industrial application. In this paper, the effect of cations (Na+, K+, Ca2+, and Mg2+) on the surface energy of nano SiO2 particles is investigated from the perspective of molecula
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Ding, Jin, Zhenming Yue, Jiao Sun, and Jun Gao. "Effects of nano-silicon dioxide surface modification on the morphology and mechanical properties of ABS/PMMA blends." Journal of Polymer Engineering 38, no. 7 (2018): 617–23. http://dx.doi.org/10.1515/polyeng-2017-0260.

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Abstract This work analyzed the effects of nano-silicon dioxide (nano-SiO2) fillers on the morphology and mechanical properties of acrylonitrile-butadiene-styrene (ABS)/poly(methyl methacrylate) (PMMA) blends. Nano-SiO2 particles were selectively dispersed in the PMMA phase, and the toughness of the ternary blends was significantly improved when the contents of the nano-SiO2 fillers were below 2 wt%. The stearic acid treatment of nano-SiO2 particles prevented the adhesion between constituents and markedly diminished the toughness of the blends. Nano-SiO2 particles were alternatively treated wi
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Zhang, Peng, Qingfu Li, Juan Wang, Yan Shi, Yuanxun Zheng, and Yifeng Ling. "Effect of Nano-Particle on Durability of Polyvinyl Alcohol Fiber Reinforced Cementitious Composite." Science of Advanced Materials 12, no. 2 (2020): 249–62. http://dx.doi.org/10.1166/sam.2020.3680.

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In this study, the influence of nano-particle on flowability and durability of polyvinyl alcohol (PVA) fibers reinforced cementitious composite containing fly ash was evaluated. In the cementitious composite, Portland cement was replaced with 1.0%, 1.5%, 2.0% and 2.5% (by weight) of nano-particles. Two kinds of nano-particle of SiO2 and CaCO3 nano-particles were adopted in this study. PVA fibers were incorporated to the composite at a dosage of 0.9% (by volume). The flowability of the fresh cementitious composite was assessed using slump flow measurements. The durability of hardened cementitio
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Xu, Yi Kun, and Mao-Sheng Zhan. "Gradient Microstructure Analysis of PI-SiO2 Hybrid Tubular Films." Materials Science Forum 475-479 (January 2005): 1575–78. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.1575.

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PI-SiO2 hybrid seamless tubular films with gradient microstructure were prepared by sol-gel insitu polymerization and rotational moulding process. Energy Dispersive X-Ray Spectrometry (EDS) and Field Emitter Scanning Electron Microscope (FE-SEM) were used to evaluate the spatial gradient distribution of SiO2 in the PI-SiO2 hybrid tubular films. The experimental results showed that the SiO2 particles were dispersed at nanoscale in the PI matrix, and that the size and the dispersivity of the SiO2 particles changed gradiently along the tubular film cross-section. The lower the SiO2 distribution d
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Zhang, Peng, Qingfu Li, Yuanzhao Chen, Yan Shi, and Yi-Feng Ling. "Durability of Steel Fiber-Reinforced Concrete Containing SiO2 Nano-Particles." Materials 12, no. 13 (2019): 2184. http://dx.doi.org/10.3390/ma12132184.

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An experimental study was conducted to investigate the effect ofnano-SiO2 and steel fiber content on the durability of concrete. Five different dosages of nano-SiO2 particles and five volume dosages of steel fiber were used. The durability of concretes includes permeability resistance, cracking resistance, carbonation resistance, and freezing-thawing resistance, and these were evaluated by the water permeation depth, number of cracks, total cracking area per unit area of the specimens, carbonation depth of the specimens, and the relative dynamic elastic modulus of the specimens after freezing-
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Zhang, Jie, Yongsheng Ji, Zhanguo Ma, et al. "Strengthening Mechanism for the Mechanical Properties of Cement-Based Materials after Internal Nano-SiO2 Production." Nanomaterials 12, no. 22 (2022): 4047. http://dx.doi.org/10.3390/nano12224047.

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This study focuses on overcoming the agglomeration issue of nano-SiO2 powder in cement, facilitating the strengthening mechanism of cement-based materials. A nano-SiO2 precursor solution (NSPS) was added to cement-based materials to replace nano-SiO2 powder. The influencing laws of the alkalinity and dosage of the NSPS on the mechanical properties of cement were investigated. Further, the strengthening mechanism of the mechanical properties of cement-based materials after internal nano-SiO2 production was analysed. The results show that (1) when the alkalinity of the precursor solution is a we
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Qu, Xiao Fei, Dan Dan Xie, Yu Fei Wang, and Kai Wang. "Fabrication and Characterization of SiO2/TiO2 Nano-Hybrid Particles." Key Engineering Materials 727 (January 2017): 335–42. http://dx.doi.org/10.4028/www.scientific.net/kem.727.335.

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SiO2/TiO2 nano-hybrid particles were successfully prepared by hydrothermal method by using titanium tetrafluoride (TiF4) as the titanium source, silicon dioxide as template. The factors of hydrothermal temperature and hydrothermal time on the morphologies and photocatalytic activity of SiO2/TiO2 nano-spheres were systematically discussed in this paper. The structures and properties of the SiO2/TiO2 nano-hybrid particles were studied by some techniques such as SEM, TEM, XRD and BET analysis. The results indicated that TiO2 prepared by hydrothermal method were anatase crystal, and in the form of
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Han, Zhi Dong, Qing Rui Zhao, Li Min Dong, Ze Wu, and Xian You Zhang. "Microwave Absorption of BaLa0.5Fe11.5O19/SiO2 Nano-Powders." Advanced Materials Research 105-106 (April 2010): 380–82. http://dx.doi.org/10.4028/www.scientific.net/amr.105-106.380.

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Nano-size BaM hexaferrites (BaLa0.5Fe11.5O19) were synthesized in the presence of SiO2 nano- particles by sol-gel method. The X-ray diffraction (XRD) patterns of ferrites annealed at above 900°C manifested that all the species had hexagonal crystal structure and no diffraction peaks of SiO2 found. Compared with BaLa0.5Fe11.5O19 powders, those synthesized in the presence of SiO2 nano-particles presented in smaller powder size, as proved by scanning electron microscopy (SEM). As a result, SiO2 nanoparticles promoted the formation of more homogeneous and finer ferrite crystal while the structure
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Tian, Wenxin, Chao Tang, Qian Wang, Shiling Zhang, and Yali Yang. "The Effect and Associate Mechanism of Nano SiO2 Particles on the Diffusion Behavior of Water in Insulating Oil." Materials 11, no. 12 (2018): 2373. http://dx.doi.org/10.3390/ma11122373.

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Moisture has a significant effect on the internal insulation performance of transformers, and is closely related to the breakdown voltage of transformer insulating oil. In the present work, we studied the effect of nano-SiO2 particles on the diffusion of water in insulating naphthenic mineral oil using molecular dynamics simulation. Six models were established, three of which contained nano-SiO2 particles together with water concentration of 1 wt.%, 2 wt.%, or 3 wt.%. For each model variations in free volume, mean square displacement, and interaction energy were assessed. The addition of nano
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Zhang, C. H., Y. P. Bai, L. X. Liu, Z. Q. Zhang, and Q. Y. Li. "Preparation of a Novel Epoxy/SiO2 Hybrid Coating." Advanced Composites Letters 14, no. 1 (2005): 096369350501400. http://dx.doi.org/10.1177/096369350501400102.

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In this paper, epoxy/SiO2 hybrid coating was successfully prepared through sol-gel technique, the structure and thermal properties of epoxy/SiO2hybrid coating were investigated. First, γ-isocyanatopropyltriethoxysilane “(KBE-9007)” was used to modify the epoxy resin so that the ethoxysilane could be grafted on the epoxy resin. Nano-SiO2 precursor was synthesized by tetraethoxysilane(TEOS) through sol-gel technique. Then the modified epoxy resin and the nano-SiO2 precursor were mixed for 4 hours to let the macromolecules of epoxy resin graft on the surface of nano-SiO2, and modified nano-SiO2 p
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Dissertations / Theses on the topic "SiO2 nano-particles"

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Efome, Johnson Effoe. "Effects of Superhydrophobic SiO2 Nano-particles on the Performance of PVDF Flat Sheet Membranes for Membrane Distillation." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32783.

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Poly(vinylidene) fluoride (PVDF) nano-composite membranes were prepared. The dope solution contained varied concentrations of superhydrophobic SiO2 nano-particles. The fabricated flat sheet membranes were characterized extensively by SEM, FTIR, water contact angle, LEPw, surface roughness, pore size diameter and pore size distribution. The effect of the nano-particles on the membrane performance was then analysed. The nano-composite membranes showed increased surface pore diameter, elevated water contact angle measurements with lower LEPw when compared to the neat membrane. The 7 wt. % nano-co
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Wu, Sheng-Wei, and 吳聖威. "Sintering of Nano-sized SiO2 Particles." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/68113207831398821981.

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碩士<br>國立清華大學<br>化學工程學系<br>89<br>Nano-particles as particles in the size range of 1 to 100 nm, in which the characteristic length scale falls in between the microscopic and macroscopic worlds. Due to the unusual property falls in the nano-material as compared to the bulk material and that there is no simple theory that can describe the thermodynamic change of physical property well, we choose SiO2 as the system to study the size effect of nano-particles for sintering behavior. We have the particle sizes of 7-10nm, 10-13nm, 50nm and 80nm produced by factory using the method of water-
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LU, YEN-CHEN, and 呂彥辰. "The Study of PP/Sulfonated SiO2 Nano-particles Composite Materials." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/50577317114544142179.

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碩士<br>南臺科技大學<br>化學工程與材枓工程系<br>105<br>In this study, the silica nanoparticles were prepared by sol-gel method, and sul-fonated silica nanoparticles were prepared by sulfonation modification procedure. MAH-PP was used as a mixing device. And then the properties of the composite membrane were studied. The results showed that the silica nanoparticles prepared by the nano-particles of silica by SEM, found that the uniform spherical silica nanoparticles, and with the polymerization time increases, the particles also will increase. (Si-O-Si) absorption peak at 766cm-1 and asymmetric stretching
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Shen, Ming-Zong, and 沈明宗. "Synthesis of Fe3O4,Fe3O4/SiO2,Fe3O4/TiO2 nano-particles and Its Applications." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/73914817140382431947.

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碩士<br>中原大學<br>化學研究所<br>95<br>Synthesis of Fe3O4 magnetic nanoparticles is carried out by microwave hydrothermal method. The size of Fe3O4 magnetic nanoparticles is controlled by changing solution’s concentration. We have prepared the Fe3O4/SiO2 Core/shell nanoparticles by using Stober process. In this study, Fe3O4 magnetic nanoparticles prepared by microwave hydrothermal method and is used for disposable glucose biosensor. The advantages such as excellent biocompatibility, low toxicity, superparamagnetic and biocatalytic properties of Fe3O4 nanoparticles was expected to increase electrode’s a
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chen, Yan-Zhi, and 陳彥至. "Sol-gel nanocoating of nano-sized Fe3O4 particles with SiO2 and TiO2 shells." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/dutf3s.

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Huang, Ching-Yen, and 黃清彥. "Investigation of Surface Property of Magnetic Nano-particles Fe3O4 and SiO2 Coated with Fe3O4." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/61751160626335530152.

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碩士<br>國立高雄應用科技大學<br>模具工程系碩士班<br>102<br>In this paper, the magnetic nanoparticles of Fe3O4 were prepared with a chemical co-precipitation method. The Fe3+ and Fe2+ solution was mixed with NH4OH by heating and stirring and using N2 to protect the reaction, after that the Fe3O4 magnetic nanoparticles were obtained. Next, the core-shell structures of SiO2 coated with Fe3O4 nanocomposite particles were prepared by sol-gel method, in which the hydrolysis of TEOS was conducted on the surface of Fe3O4 with the aid of basic catalyst at room temperature. In this study, the surface shape and component of
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Hsieh, Min-Yann, and 謝旻諺. "Improvement of Light Output in GaN-based LEDs by Surface Texturing with SiO2 Nano-particles." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/92184111929570229357.

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碩士<br>國立臺灣大學<br>光電工程學研究所<br>95<br>In this paper, we present a novel method to fabricate textured GaN-based LEDs using a SiO2 nano-mask and ICP dry etching. The SiO2 nano-particles are placed on top of the p-type layer simply by spin-coating or immersion. The optical output power of a surface textured LED is 1.4 times higher than that of a conventional LED (a LED without surface textured). In addition, the current-voltage (I-V) curve of the textured LED is nearly the same as that of a conventional LED, which implies that the fabrication process greatly improves light extraction efficiency wi
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Chen, Yin Yu, and 陳膺宇. "Photoluminescent Characteristics of Si Nano-Particles Fabricated From Si+/C+ Ions Implanted In SiO2 Films." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/51891069170469276055.

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碩士<br>國立清華大學<br>核子工程與科學研究所<br>104<br>In recent years, the potential applications of Si-based nanostructured materials in the areas of optoelectronic devices have gained much attention especially since the discovery of strong luminescence from semiconductor nanoparticle-containing materials. Ion beam synthesis has been considered as one of the most promising methods to form nanoparticles due to its great processing compatibility with current semiconductor manufacturing technology as well as its excellent controllability in implantation process parameters. The method of sequential implantation o
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Chao, Shu-Ju, and 趙淑如. "Teratogenic response and bioaccumulation to zebrafish embryos by decabromodiphenyl ether (BDE-209) in the suspension of nano-SiO2 particles." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/974n4y.

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博士<br>國立交通大學<br>環境工程系所<br>105<br>The rapidly growing and widespread application of nanotechnology in high-tech industries such as semiconductor manufacturing and biomedical engineering result in release of manufactured nanoparticles (NPs) into the aquatic environment, especially nano-SiO2 particle (nSiO2). Decabromodiphenyl ether (BDE-209), an emerging contaminant, is a flame retardant used in consumer electronic equipment. The interaction between NPs and BDE-209 in aquatic environment is getting much concern since the co-existence of NPs and BDE-209 can strengthen the transport of these conta
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Hung, Chia-gin, and 洪嘉璟. "Vanadia on TiO2 Grafted SiO2 Pellets for Catalytic Oxidation of 1,2-Dichlorobenzene:Remedy the Drawbacks of Vanadia on Anatase Nano-particles." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/88583136158929084272.

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碩士<br>國立中正大學<br>化學工程所<br>98<br>The goal of this study is to understand the effects of the structures of V2O5-TiO2, V2O5-SiO2, V2O5/ TiO2-SiO2 on the catalytic performance. Titania was grafted on SiO2 pellets to produce TiO2-SiO2 supports, and V2O5/TiO2-SiO2, V2O5/SiO2 and V2O5/TiO2 were prepared by grafting vanadia on the TiO2-SiO2, granular SiO2, and anatase nano-particles, respectively. The oxidation tests were carried out at a fixed bed reaction system under 1 atm and temperature ranged from 200 to 550˚C. The structures of catalysts were characterized by Synchrotron XRD (X-ray diffraction)
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Book chapters on the topic "SiO2 nano-particles"

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Du, Bin, Kenan Yang, Rubai Luo, et al. "Preparation and Characterization of Nano-TiO2/SiO2 Composite Particles." In Advances in Graphic Communication, Printing and Packaging. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3663-8_107.

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Kim, Jae Won, Seoung Soo Lee, Sung Kang Hur, Yeon Gil Jung, and Chang Yong Jo. "Synthesis of Heterogeneous β-SiC Nano-Particles and Nano-Whisker from TEOS/SiO2 Bead/PMMA Ternary Xerogel." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-966-0.522.

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Hung, Y. P., K. J. Wu, Chi Y. A. Tsao, J. C. Huang, P. L. Hsieh, and Jason S. C. Jang. "AZ61 Mg with Nano SiO2 Particles Prepared by Spray Forming plus Extrusion." In Key Engineering Materials. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-997-0.77.

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Lee, Jun, Yoshihiro Sugi, Nam Jo Jeong, Gon Seo, and Sung June Cho. "Novel Preparation of Nano-Sized TiO2 and ZrO2 Particles by Nanocasting with Nanoporous SiO2 and Selective Dissolution." In Solid State Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-31-0.643.

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Zhu, Jie, Jiacong Huang, Meixuan Li, et al. "Study on the Performance of Nanoparticle Synergistic Stabilization of Anti-Icing Emulsified Asphalt." In Advances in Frontier Research on Engineering Structures. IOS Press, 2023. http://dx.doi.org/10.3233/atde230228.

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To develop the potential of solid particles to maintain the storage stability of salt- and ice-resistant emulsified asphalt, nano-SiO2 and nano-CaCO3 without surface modification are mixed with emulsified asphalt with different antifreeze content. Through 10d delamination rate and 5d storage stability test, we studied the influence of two materials on the stability of salt-storage emulsified asphalt. The results show that the delamination settlement rate of salt-storage emulsified asphalt slows down with the increase of nano-CaCO3 content, and first slows down and then accelerates with the inc
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Zhang, Xiaofei, Yuting Liu, Bo Zhang, and Peipei Wei. "Experimental Study on Basic Mechanical Properties of SiO2 Modified Basalt Fiber Concrete." In Advances in Frontier Research on Engineering Structures. IOS Press, 2023. http://dx.doi.org/10.3233/atde230225.

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The tensile performance of concrete is not good. In order to explore the improvement effect of highly active Nano-SiO2 (NS) particles on the basic mechanical properties of Basalt fiber (BF) concrete. BF particles with high cost performance and NS particles with high activity were added into concrete in the way of single and mixed, respectively. The compression and splitting tensile test were performed, and the microstructure and failure mechanism of concrete were analyzed by electron microscopic experiment. The results show that the increase rate of compressive strength and splitting tensile s
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Takahashi, Masashi, Kunihiko Muramatsu, Kazuo Tajima, and Koichi Kobayashi. "Preparation of monolayers of SiO2 and TiO2 nano-particles by Langmuir-Blodgett technique." In Studies in Surface Science and Catalysis. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)82169-8.

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Jin Kim, Seung, and Hyun Ah Kim. "Warm-Cool Feeling Characteristics of Ceramic Incorporated Fabrics - Process, Characterization and Thermal Properties -." In Ceramic Materials - Present and Future [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1001994.

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Recently, high performance functional textile goods have been commercialized using various ceramic nano-powders such as ZrC, Al2O3, SiO2, ZnO, ATO and TiO2 embedded in the yarns and fabrics. This study examines warm-cool feeling characteristics of ceramic incorporated fabrics with their process, characterization and thermal characteristics. This topic is divided as follows : review (introduction), preparation (experimental), characterization with thermal property (results and discussion), and summary. As a review, heat release and storage properties of the various ceramic embedded fabrics are
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"Preliminary Study on Biological Effects of MiR-702-3p in Epithelial–mesenchymal Transition Induced by Nano-SiO2 Particles." In Proceedings from the ICERP 2016. De Gruyter Open Poland, 2017. http://dx.doi.org/10.1515/9783110559040-017.

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Conference papers on the topic "SiO2 nano-particles"

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Nargiello, Maria, Günther Michael, and Doris Simoes. "Nano-Structured Particles to Enhance Primer Performance Properties." In SSPC 2012 Greencoat. SSPC, 2012. https://doi.org/10.5006/s2012-00031.

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Abstract With increased demands placed on anti-corrosion primer coatings, whether solvent or water based, formulators are continually searching for ways to improve performance. Anti-corrosion, suspension of heavy pigments and fillers, achieving high film build, improving mechanical strength are properties which are desired to impart improved protection and can stability in severe environments. SiO2 have been used for decades in numerous types of coating chemistries to enhance rheology of liquid systems with respect to thickening, anti-sag and suspension of pigments and fillers. Nano-structured
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Feng, Yuanchao, and Frank Cheng. "Self-healing Pipeline Epoxy Coatings." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07152.

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Abstract In this work, benzotriazole (BTA) inhibitors were deposited on the surface of nano-SiO2 particles, which served as the inhibitor carriers. Polyelectrolytes were then adsorbed on the particle surface by a layer-by-layer method to prepare the nanocontainers to store inhibitors. The inhibitor-loading nanocontainers were characterized by a number of techniques, including scanning electron microscopy, energy-dispersive X-ray spectrum, Fast Fourier Infrared spectrum and thermal gravimetric analysis. The corrosion resistance and the nano-container doped epoxy coatings was evaluated by electr
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Zheng, Jian, Xiong Chen, Deng Jia, and Xin Tong. "Mechanical Behaviors Study of Epoxy Resins Reinforced with Nano-SiO2 Particles." In 2015 International Conference on Materials, Environmental and Biological Engineering. Atlantis Press, 2015. http://dx.doi.org/10.2991/mebe-15.2015.91.

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Prasad, M. Satya, and S. Nagakalyan. "Preparation and characterization of s-glass fiber composite with SiO2 nano particles." In PROCEEDINGS OF THE 1ST INTERNATIONAL CONFERENCE ON FRONTIER OF DIGITAL TECHNOLOGY TOWARDS A SUSTAINABLE SOCIETY. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0113398.

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Fu, Qiang, Zhen Yao, and Kun Cao. "Preventing Particles Agglomeration in Gas Phase Polymerization of Isoprene by using Nano-SiO2." In 14th Asia Pacific Confederation of Chemical Engineering Congress. Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-1445-1_207.

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Fenklie, Engdasew Gezahgn, Balkeshwar Singh, Habtamu Beri, and Mengistu Gelaw. "Performance analysis of coffee husk with nano-SiO2 particles reinforced unsaturated polyester composites." In RECENT TRENDS IN SCIENCE AND ENGINEERING. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0074085.

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Hung, Wen-Chi, Tung-Kai Liu, Chun-che Lee, I.-Min Jiang, and Ming-Shan Tsai. "Field enhanced SERS on silver nano-particles substrate covered with a SiO2 buffer layer." In 2012 4th IEEE RAS & EMBS International Conference on Biomedical Robotics and Biomechatronics (BioRob 2012). IEEE, 2012. http://dx.doi.org/10.1109/biorob.2012.6290713.

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Yang, Huan, Jinyou Shao, and Ben Q. Li. "Self-Assembly of Ordered SiO2@Au Core-Shell Nanoparticle Arrays." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36539.

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This paper presents a wet-based self-assembly process for nano-fabricating 1-D arrays of spherical nanoparticles and/or gold-nanoshells with controllable inter-particle distance for near infrared optical communications and for plasmon polariton waveguides featured with the lateral mode size below the optical diffraction limit. The process entails two main procedures. First, the SiO2 nanoparticle colloidal solution was restricted to flow through the gap between the patterned substrate and the cover slip, and the particles, trapped in the patterned, recessed regions, self-assembled to form close
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Okoro, Franklin, Mary Frank-Okoro, and Emmauel Alor. "Investigation of the Effectiveness of SiO2 Nanoparticle Additive in Enhancing Water-Based Mud Properties and Performance to the Extent of HPHT Conditions." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/211940-ms.

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Abstract This study investigated the effectiveness of nano-particles, mainly silica, as an additive to water-based muds to the extent of HPHT conditions. Specifically, the study ascertained the impact of silica nano-particles in improving performance of water-based mud, the study also investigated the effect of nano-silica on mud density and also investigated the quality of silica nano-particles as a fluid loss agent and rheology modifier. The laboratory study was divided into four parts: viscosity determination, fluid loss test, sand content determination, and density determination. The exper
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Watanabe, Kentaroh, Yasushi Hamamoto, Akio Higo, Masakazu Sugiyama, and Yoshiaki Nakano. "Fabrication of graded refractive index 3-dimensional anti-reflection structure using self-assembled SiO2 nano particles." In 2011 37th IEEE Photovoltaic Specialists Conference (PVSC). IEEE, 2011. http://dx.doi.org/10.1109/pvsc.2011.6186020.

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