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Articoli di riviste sul tema "Crystallization"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Frolova, S., and O. Sobol. "Dynamics of cluster structure change in melts that forms a continuous series of solid solutions during equilibrium and nonequilibrium crystallization." BULLETIN of the L.N. Gumilyov Eurasian National University. Chemistry. Geography. Ecology Series 143, no. 2 (2023): 45–51. http://dx.doi.org/10.32523/2616-6771-2023-143-2-45-51.

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The article describes the dynamics of changes in the melt structure during cooling of solid substitution solutions in the process of quasi-equilibrium (CRC) and non-equilibrium explosive crystallization (NRCC), taking into account clustering processes. The boundaries of the transition to the solid state are determined as the structure of clusters changes during crystallizations of the KRK and NRK types. The boundaries are determined taking into account the critical overheating and pre-crystallization supercooling relative to the liquidus line . It is determined that during quasi–equilibrium cr

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2

Florence, Alastair J., Andrea Johnston, Philippe Fernandes, Norman Shankland, and Kenneth Shankland. "An automated platform for parallel crystallization of small organic molecules." Journal of Applied Crystallography 39, no. 6 (2006): 922–24. http://dx.doi.org/10.1107/s0021889806040921.

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An automated platform for parallel crystallization of small organic molecules from solution is described. The principal gain over manual crystallization lies in the automated sequencing of crystallization steps, including computer-controlled dosing of liquids and solids. The platform is designed to conduct 32 crystallizations per day, from solution volumes up to 10 ml, allowing a search for physical forms to be conducted over a finer grid than might be accessible manually and thereby increasing the probability of success.

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3

Semjonova, Aina, and Agris Bērziņš. "Surfactant Provided Control of Crystallization Polymorphic Outcome and Stabilization of Metastable Polymorphs of 2,6-Dimethoxyphenylboronic Acid." Crystals 12, no. 12 (2022): 1738. http://dx.doi.org/10.3390/cryst12121738.

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2,6-Dimethoxyphenylboronic acid was used as a model substance to investigate the additive crystallization approach for polymorph control in phenylboronic acids. It was crystallized under different conditions by performing evaporation and cooling crystallization from different solvents. Most of the crystallizations from pure solvents produced the thermodynamically stable Form I, but in evaporation crystallization from alcohols, Form II or even a new polymorph, Form III, could be obtained. Structurally related substances, polymers, and surfactants with diverse intermolecular interaction possibil

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4

Roy, Pritish Kumar, and Shibendra Shekher Sikder. "Study of Nanocrystallization Kinetics in Fe 73.5 Cu 1 Nb 3 Si 13.5 B 9 Finemet Type Alloy by Differential Thermal Analysis and Using Different Models." BL College Journal 4, no. 1 (2022): 140–55. http://dx.doi.org/10.62106/blc2022v4i1e3.

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The study of the crystallization processes in the FINEMET type nanocrystalline amorphous alloy is interesting not only from the fundamental aspect of establishing reaction mechanism of crystal nucleation and growth, but also from a technological point of view. The process and nature of crystallization phase constitution of nanocrystalline amorphous alloy of composition Fe 73.5 Cu 1 Nb 3 Si 13.5 B 9 prepared by rapid quenching method is investigated in the present study. The amorphous nature of the alloy has been verified by x-ray diffraction (XRD). The differential thermal analysis (DTA) exper

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5

Qin, Hong Wu, Xiao Xue Xing, and Xian Zhang. "The Analysis for Crystallization of Sn-Pb Alloys Using Acoustic Emission Testing about Wind Turbine Root Materials." Applied Mechanics and Materials 668-669 (October 2014): 83–86. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.83.

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Regular researches of system Sn-Pb alloys with use AE are carried out in various crystallization conditions. In the given researches the technique has been used, which allow to divide the signals radiated with plastic deformation and crack's formation and development from each process. In the metals and alloys majority radiation of AE signals begins in the middle of crystallization's area and comes to an end at the moment of the crystallization termination However in a number of materials AE signals have been registered below an excess point on a cooling curve in a firm condition. Essential in

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6

Bosq, Nicolas, Nathanaël Guigo, and Nicolas Sbirrazzuoli. "Crystallization Behaviour of Polytetrafluoroethylene over very Large Cooling Rate Domains." Advanced Materials Research 747 (August 2013): 201–4. http://dx.doi.org/10.4028/www.scientific.net/amr.747.201.

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Polytetrafluoroethylene (PTFE) is a semi-crystalline polymer that demonstrates a very fast crystallization process on cooling. This study investigates the nonisothermal PTFE ultra-fast crystallization over a wide range of cooling rates via conventional Differential Scanning Calorimetry (DSC), Fast Scanning Calorimetry (FSC) and Ultra-Fast Scanning Calorimetry (UFSC). A new knowledge about crystallization kinetics of PTFE is obtained from the data obtained under very fast cooling rates. The shift of the melting peak to lower temperature shows that the crystals formed under fast cooling rates ar

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7

Grant, D., W. F. Long, and F. B. Williamson. "Inhibition by glycosaminoglycans of CaCO3 (calcite) crystallization." Biochemical Journal 259, no. 1 (1989): 41–45. http://dx.doi.org/10.1042/bj2590041.

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Of a range of glycosaminoglycans, heparin and heparan sulphate were the most effective inhibitors in vitro of CaCO3 (calcite) crystallization as assayed by conductimetric measurements. The possible role of such glycosaminoglycans in modulating calcium-salt crystallizations in vivo is discussed.

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8

Aversa, Raffaella, Francesco Tamburrino, Daniela Parcesepe, and Antonio Apicella. "Cold Crystallization Behaviour of a Commercial Zr44-Ti11-Cu10-Ni10-Be25 Metal Glassy Alloy." Advanced Materials Research 1088 (February 2015): 206–12. http://dx.doi.org/10.4028/www.scientific.net/amr.1088.206.

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Isothermal crystallizations in the supercooled liquid metal metastable state at progressively increasing temperatures above the Glass Transition of the Zr44-Ti11-Cu10-Ni10-Be25 metal glass Alloy (cold crystallization attained by heating the samples from the glassy state) have been investigated in this study.Complex crystallization behaviours showing multiple exothermic peaks and selective crystallization of the alloy higher mobility atoms induced by the isothermal annealing, has been observed to lead to experimentally observed increase of the temperature needed to induce the glassy metal relax

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9

Xiuju, Z., S. Juncai, Y. Huajun, L. Zhidan, and T. Shaozao. "Mechanical Properties, Morphology, Thermal Performance, Crystallization Behavior, and Kinetics of PP/Microcrystal Cellulose Composites Compatibilized by Two Different Compatibilizers." Journal of Thermoplastic Composite Materials 24, no. 6 (2011): 735–54. http://dx.doi.org/10.1177/0892705711403527.

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Polypropylene (PP)/microcrystalline cellulose (MCC) composites and PP/MCC composites modified by maleic anhydride grafted PP (PP-g-MA) and methyl acrylic acid glycidyl ester grafted PP (PP-g-GMA) respectively were prepared in a twin-screw extruder. The mechanical properties, morphology, and thermal performance were investigated. The nonisothermal crystallization, melting behavior, and nonisothermal crystallization kinetics were investigated by DSC. The results indicated that the addition of MCC had led to the increase of the tensile strength, impact strength, and flexural strength of PP. PP-g-

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10

Carugo, Oliviero, and Kristina Djinović-Carugo. "Packing bridges in protein crystal structures." Journal of Applied Crystallography 47, no. 1 (2013): 458–61. http://dx.doi.org/10.1107/s160057671302880x.

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On the basis of a statistical analysis of the data deposited in the Protein Data Bank [Bermanet al.(2000).Nucleic Acids Res.28, 235–242; Bernsteinet al.(1977).J. Mol. Biol.112, 535–542], it is shown that two symmetry-related protein molecules are frequently bridged by a small molecule/monoatomic ion, which was used in the crystallization medium despite the fact that it is not a physiological ligand of the macromolecule. It is therefore sensible to suppose that some of the solutes used in crystallizations can favour the nucleation process by bridging and opportunely orienting adjacent protein m

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11

N., K. Mitra, K. Daspoddar P., Basumajumdar A., Gangopadhyay Ananya, and Paul Shiladitya. "Crystallization of alumina in aluminosilicate matrix." Journal of Indian Chemical Society Vol. 80, July 2003 (2003): 723–24. https://doi.org/10.5281/zenodo.5835652.

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Department of Chemical Technology, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata-700 009, India  <em>E-mail</em>: chemtech@cucc.ernet.in                      <em>Fax</em> : 91-33-23519755 <em>Manuscript received 6 August 2002, revised 9 January 2003. accepted 26 February 2003</em> Alkaline aluminate has been synthesized at a desired mole ratio of Al<sub>2</sub>O<sub>3</sub> : SiO<sub>2</sub> through a non-conventional route. AI(OH)<sub>3</sub> is the source material for generating α-Al<sub>2</sub>O<sub>3</sub

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12

Wenqian, Chen, Joon Park Sung, Kong Fanlu, Li Xiaoyu, Yang Huaiyu, and Y. Y. Heng Jerry. "High Protein-Loading Silica Template for Heterogeneous Protein Crystallization." Crystal Growth & Design 20, no. 2 (2019): 866–73. https://doi.org/10.1021/acs.cgd.9b01252.

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As a purification technology, crystallization is advantageous over chromatography and precipitation in terms of purity, cost, and scalability. In general, proteins have slow crystallization kinetics due to their complex configurations, but this problem can be overcome with heterogeneous nucleants. High protein-loading mesoporous silica is a promising nucleant due to its favorable interaction with protein. The current study employs such a template in the batch crystallization of lysozyme and thaumatin at 1 mL scale. Using lysozyme as the main model protein, the results show that the template ha

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13

Li, Chunmin, Kevin L. Kirkwood, and Gary D. Brayer. "The Biological Crystallization Resource: Facilitating Knowledge-Based Protein Crystallizations†." Crystal Growth & Design 7, no. 11 (2007): 2147–52. http://dx.doi.org/10.1021/cg700696h.

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14

BANDIERI, PAOLA, PAOLA CRISTOFORI, and CARLO GAGLIARDI. "NON-ORIENTABLE 3-MANIFOLDS ADMITTING COLORED TRIANGULATIONS WITH AT MOST 30 TETRAHEDRA." Journal of Knot Theory and Its Ramifications 18, no. 03 (2009): 381–95. http://dx.doi.org/10.1142/s0218216509006975.

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We present the census of all non-orientable, closed, connected 3-manifolds admitting a rigid crystallization with at most 30 vertices. In order to obtain the above result, we generate, manipulate and compare, by suitable computer procedures, all rigid non-bipartite crystallizations up to 30 vertices.

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15

Zipper, Lauren E., Xavier Aristide, Dylan P. Bishop, et al. "A simple technique to reduce evaporation of crystallization droplets by using plate lids with apertures for adding liquids." Acta Crystallographica Section F Structural Biology Communications 70, no. 12 (2014): 1707–13. http://dx.doi.org/10.1107/s2053230x14025126.

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A method is described for using plate lids to reduce evaporation in low-volume vapor-diffusion crystallization experiments. The plate lids contain apertures through which the protein and precipitants were added to different crystallization microplates (the reservoir was filled before fitting the lids). Plate lids were designed for each of these commonly used crystallization microplates. This system minimizes the dehydration of crystallization droplets containing just a few nanolitres of protein and precipitant, and results in more reproducible diffraction from the crystals. For each lid design

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16

Dai, Steve, and Adrian Casias. "Process Evaluation of DuPont™ GreenTape™ 9k7 LTCC." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2011, CICMT (2011): 000302–5. http://dx.doi.org/10.4071/cicmt-2011-tha24.

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GreenTape™ 9K7 low temperature cofired ceramic (LTCC) is a low loss glass ceramic dielectric tape for high frequency applications. The low loss is mainly achieved via glass-derived and glass-reacted crystallizations that occur during the sintering stage. This paper reports on the impact of one critical process parameter, the ramp rate from the binder burnout to the sintering temperature (530 – 850°C), which affects the shrinkage behavior, dielectric properties and strip line (SL) resonator characteristics of 9K7. At slow ramp rates crystallization occurs before densification, increasing glass

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17

Cherezov, Vadim, and Martin Caffrey. "Picolitre-scale crystallization of membrane proteins." Journal of Applied Crystallography 39, no. 4 (2006): 604–6. http://dx.doi.org/10.1107/s0021889806022953.

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Crystallization of membrane proteins in lipidic mesophases by the standardin mesomethod is extremely efficient in that small amounts of valuable protein are required per trial. Here it is shown that it is possible to reduce the requisite amount of protein (and lipid) by two orders of magnitude into the picolitre volume range. Successful crystallizations have been performed with two integral membrane proteins, bacteriorhodopsin and the vitamin B12receptor, BtuB, using volumes of mesophase corresponding to 210 pl of protein solution (2–4 ng protein) and 320 pl of lipid. The total dead volume of

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18

Cai, Yan-Hua, Li-Sha Zhao, and Yan-Hua Zhang. "Composites Based Green Poly(L-Lactic Acid) and Dioctyl Phthalate: Preparation and Performance." Advances in Materials Science and Engineering 2015 (2015): 1–5. http://dx.doi.org/10.1155/2015/289725.

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The effects of dioctyl phthalate (DOP) on performances of poly(L-lactic acid) (PLLA) were investigated in detail using optical depolarizer, X-ray diffraction, melt index instrument, and electronic tensile tester. Crystallization performance showed that the half time of overall PLLA crystallizationt1/2decreased with increasing of crystallization temperature (80°C to 105°C), but thet1/2of PLLA/DOP composites firstly decreased and then increased, andt1/2of PLLA/DOP exhibited minimum value at 85°C. Compared to neat PLLA, 20%DOP made thet1/2decrease from 7258.3 s to 265.4 s. X-ray diffraction exper

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19

Tian, Qing Bo, Yue Wang, Li Ming Feng, Xiu Hui Wang, and Hong Gao. "Influence of Nucleating Additions on the Crystallization in the CaO-MgO-Al₂O₃-SiO₂ Glass-Ceramics." Key Engineering Materials 368-372 (February 2008): 1408–11. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.1408.

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The crystallization behaviors and microstructural developments in the CaO-MgO- Al2O3-SiO2 glass with Fe2O3, ZrO2 and F as additives were investigated by using scanning electron microscopy, X-ray diffraction and differential scanning calorimetry techniques. In the glass sample with 1.0wt% Fe2O3, only surface crystallization were observed, in which a three-layer compound surface containing the fine dendrite, finer fibrous morphology and particle-shaped crystals was formed respectively from the near free surface to the inner region. The crystalline phases precipitated were anorthite and wollaston

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20

Rana, M. M., A. Z. Ziauddin Ahmed, Md Sarowar Hossain, et al. "EFFECT OF Cr AS A GRAIN GROWTH INHIBITOR ON CRYSTALLIZATION KINETICS FOR Fe73.5-xCrxCu1Nb3Si13.5B9 (x = 1, 5, 10, 12.5, 17.5)." Bangladesh Journal of Physics 28, no. 2 (2025): 59–68. https://doi.org/10.3329/bjphy.v28i2.79345.

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Nanocrystalline Finemet© alloys of composition Fe73.5-xCrxCu1Nb3Si13.5B9 with x = 1, 5, 10, 12.5, 17.5 were synthesized using the melt spinning technique to study the impact of chromium (Cr) as a grain growth inhibitor on the crystallization kinetics. The alloys were studied under several heat treatments starting from the as-cast to 600℃ and the amorphousity of the ribbons is reduced as well as the nucleation of crystallizations starts. Differential Scanning Calorimetry (DSC) analysis shows that increasing Cr content shifts the crystallization temperatures to higher values, enhancing thermal s

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21

Arroyo Loranca, Raquel Gabriela, Crisalejandra Rivera Pérez, Luis Hernández Adame, Ariel Arturo Cruz Villacorta, José Luis Rodríguez López, and Norma Yolanda Hernández Saavedra. "Effect of ion and protein concentration of Ps19, a shell protein from Pteria sterna, on calcium carbonate polymorph." Biotecnia 25, no. 2 (2023): 136–45. http://dx.doi.org/10.18633/biotecnia.v25i2.1885.

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Calcium carbonate is present in many biological structures such as bivalve shell, which is composed mainly of two CaCO3 polymorphs: calcite and aragonite. However, exist other forms of calcium carbonate like vaterite and amorphous calcium carbonate (ACC) that are not commonly reported. Polymorph selection is influenced by salt concentration, cofactor ions, and the presence of shell matrix proteins (SMPs) which regulates calcium carbonate deposition, among other factors. In this study, calcium carbonate crystallization in vitro of four different saline solutions at two molarities was evaluated

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Schneider, W., A. Köppl, and J. Berger. "Non – Isothermal Crystallization Crystallization of Polymers." International Polymer Processing 2, no. 3-4 (1988): 151–54. http://dx.doi.org/10.3139/217.880150.

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Durning, C. J., L. Rebenfeld, W. B. Russel, and H. D. Weigmann. "Solvent-induced crystallization. I. Crystallization kinetics." Journal of Polymer Science Part B: Polymer Physics 24, no. 6 (1986): 1321–40. http://dx.doi.org/10.1002/polb.1986.090240610.

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Brown, J., T. S. Walter, L. Carter, et al. "A procedure for setting up high-throughput nanolitre crystallization experiments. II. Crystallization results." Journal of Applied Crystallography 36, no. 2 (2003): 315–18. http://dx.doi.org/10.1107/s0021889803002012.

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An initial tranche of results from day-to-day use of a robotic system for setting up 100 nl-scale vapour-diffusion sitting-drop protein crystallizations has been surveyed. The database of over 50 unrelated samples represents a snapshot of projects currently at the stage of crystallization trials in Oxford research groups and as such encompasses a broad range of proteins. The results indicate that the nanolitre-scale methodology consistently identifies more crystallization conditions than traditional hand-pipetting-style methods; however, in a number of cases successful scale-up is then problem

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Kryvonosov, Ie V. "Optimization of KY-crystallization process." Functional materials 23, no. 4 (2017): 138–42. http://dx.doi.org/10.15407/fm24.01.138.

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Kamarudin, Siti Noorhazirah, Kwan Yiew Lau, Chee Wei Tan, and Kuan Yong Ching. "The Role of Silicon-Based Nanofillers and Polymer Crystallization on the Breakdown Behaviors of Polyethylene Blend Nanocomposites." Nano 15, no. 08 (2020): 2050097. http://dx.doi.org/10.1142/s1793292020500976.

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Good breakdown strength is an important feature for the selection of dielectric materials, especially in high-voltage engineering. Although nanocomposites have been shown to possess many promising dielectric properties, the breakdown strength of nanocomposites is often found to be negatively affected. Recently, imposing nonisothermal crystallization processes on polyethylene blends has been demonstrated to be favorable for breakdown strength improvements of dielectric materials. In an attempt to increase nanocomposites’ voltage rating, this work reports on the effects of nonisothermal crystall

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Chaikuad, Apirat, Stefan Knapp, and Frank von Delft. "Defined PEG smears as an alternative approach to enhance the search for crystallization conditions and crystal-quality improvement in reduced screens." Acta Crystallographica Section D Biological Crystallography 71, no. 8 (2015): 1627–39. http://dx.doi.org/10.1107/s1399004715007968.

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The quest for an optimal limited set of effective crystallization conditions remains a challenge in macromolecular crystallography, an issue that is complicated by the large number of chemicals which have been deemed to be suitable for promoting crystal growth. The lack of rational approaches towards the selection of successful chemical space and representative combinations has led to significant overlapping conditions, which are currently present in a multitude of commercially available crystallization screens. Here, an alternative approach to the sampling of widely used PEG precipitants is s

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Suslick, Kenneth S. "Sonofragmentation and sonocrystallization: How solids break and make in cavitating liquids." Journal of the Acoustical Society of America 151, no. 4 (2022): A38. http://dx.doi.org/10.1121/10.0010582.

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Mechanical action can produce dramatic physical and mechanochemical effects when the energy is spatially or temporally concentrated. The application of ultrasound to crystallization (i.e., sonocrystallization) can dramatically affect the properties of the crystalline products. Sonocrystallization induces rapid nucleation, generally yields smaller crystals of a more narrow size distribution compared to quiescent crystallizations, and has become increasingly important in the pharmaceutical industry for the preparation of APIs (active pharmaceutical ingredients). The control of morphology of the

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Zhang, Xuefu, Yuanfu Zhou, Bin Zhang, Yuanjiang Zhou, and Shiyang Liu. "Investigation and Analysis on Crystallization of Tunnel Drainage Pipes in Chongqing." Advances in Materials Science and Engineering 2018 (November 4, 2018): 1–6. http://dx.doi.org/10.1155/2018/7042693.

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A lot of crystallizations exist on the inner wall of tunnel drainage pipes in Chongqing. Tunnel support structure often bears larger load than usual because the tunnel drainage pipes are blocked easily by the crystals and the groundwater level would rise. In order to investigate what the crystals are, site investigations and laboratory tests of crystals and groundwater were completed. Some valuable results have been obtained. Firstly, the crystallizations are usually discovered in drainage pipe exits of tunnels which are under construction in Chongqing. Furthermore, the results of XRD have con

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Casali, M. R., P. Cristofori, and C. Gagliardi. "PL 4-manifolds admitting simple crystallizations: framed links and regular genus." Journal of Knot Theory and Its Ramifications 25, no. 01 (2016): 1650005. http://dx.doi.org/10.1142/s021821651650005x.

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Simple crystallizations are edge-colored graphs representing piecewise linear (PL) 4-manifolds with the property that the 1-skeleton of the associated triangulation equals the 1-skeleton of a 4-simplex. In this paper, we prove that any (simply-connected) PL 4-manifold [Formula: see text] admitting a simple crystallization admits a special handlebody decomposition, too; equivalently, [Formula: see text] may be represented by a framed link yielding [Formula: see text], with exactly [Formula: see text] components ([Formula: see text] being the second Betti number of [Formula: see text]). As a con

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Okubo, Tsuneo. "Colloidal Crystallization As Compared with Polymer Crystallization." Polymer Journal 40, no. 9 (2008): 882–90. http://dx.doi.org/10.1295/polymj.pj2007182.

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Park, Doo‐Jung, and Jae‐Sang Ro. "Crystallization mechanisms of joule‐heating‐induced crystallization." Journal of Information Display 10, no. 2 (2009): 76–79. http://dx.doi.org/10.1080/15980316.2009.9652085.

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Stura, Enrico A., Marc Graille, and Jean-Baptiste Charbonnier. "Crystallization of macromolecular complexes: combinatorial complex crystallization." Journal of Crystal Growth 232, no. 1-4 (2001): 573–79. http://dx.doi.org/10.1016/s0022-0248(01)01205-2.

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Gutzow, I., and A. Dobreva. "II. Crystallization. Crystallization of glass forming melts." Berichte der Bunsengesellschaft für physikalische Chemie 100, no. 9 (1996): 1415–22. http://dx.doi.org/10.1002/bbpc.19961000910.

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de La Rica, Roberto, Kristina Ivana Fabijanic, Antonio Baldi, and Hiroshi Matsui. "Biomimetic Crystallization Nanolithography: Simultaneous Nanopatterning and Crystallization." Angewandte Chemie International Edition 49, no. 8 (2010): 1447–50. http://dx.doi.org/10.1002/anie.200906200.

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de La Rica, Roberto, Kristina Ivana Fabijanic, Antonio Baldi, and Hiroshi Matsui. "Biomimetic Crystallization Nanolithography: Simultaneous Nanopatterning and Crystallization." Angewandte Chemie 122, no. 8 (2010): 1489–92. http://dx.doi.org/10.1002/ange.200906200.

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Miyashita, Tatsuaki, and Hiromu Saito. "Nucleation Effect of the Chemical Structure of Alkylammonium Salt on the Crystallization Behavior of Poly(Vinylidene Fluoride)." Polymer Crystallization 2022 (February 23, 2022): 1–9. http://dx.doi.org/10.1155/2022/5807491.

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Abstract (sommario):

We investigated the effect of the chemical structure of alkylammonium salt on the crystallization behavior of poly(vinylidene fluoride) (PVDF) by DSC, optical microscopy, light scattering, and FT-IR. The nonisothermal and isothermal crystallizations of PVDF were accelerated by adding alkylammonium salt consisting of short alkyl chains and small anion species, and the spherulite size and the ordering in the spherulite became smaller due to the nucleation agent effect. The FT-IR spectra revealed that electroactive γ-phase was preferentially formed by adding alkylammonium salts though the acceler

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Senda, Miki, and Toshiya Senda. "Anaerobic crystallization for protein crystallography." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C1157. http://dx.doi.org/10.1107/s2053273314088421.

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Crystallization has been a bottleneck in protein crystallography. Major problems in protein crystallization are 1) to find crystallization conditions effectively at the initial crystallization screening and 2) to improve the reproducibility of protein crystallization. To overcome these problems, we have proposed some techniques such as the immediate observation method (1). Recently, we realized that films and precipitates of oxidized proteins hampered the crystal formation, leading to poor reproducibility of the crystallization. To avoid oxidation of proteins, we examined anaerobic crystalliza

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Cheng, Qing-Di, Rui-Qing Chen, Jin He, et al. "Effect of the weather conditions during solution preparation on lysozyme crystallization." Journal of Applied Crystallography 50, no. 5 (2017): 1341–51. http://dx.doi.org/10.1107/s1600576717011086.

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Abstract (sommario):

Protein crystallization is a delicate process that is always sensitive to environmental factors. When the environmental factors are not well controlled or not controlled at all, identical crystallization droplets from the same mother liquid may yield different crystallization results. One environmental factor, the weather conditions during crystallization solution preparation, is not usually considered as a parameter for protein crystallization. In this paper, it is shown that the weather parameters during preparation of the crystallization experiment, including the ambient temperature, humidi

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40

Mursalin, Mursalin. "Crystallization Kinetics Of Coconut Oil Based On Gompertz Model." Indonesian Food Science and Technology Journal 1, no. 1 (2018): 1–7. http://dx.doi.org/10.22437/ifstj.v1i1.4269.

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The cooling rate and temperature of crystallization has been proven to be very influential on the rate of crystal formation oil. Oil crystallization kinetics can be measured by monitoring changes in the solid fat content(SFC) of oil during cooling process. In this study, SFC measuredusing pulsed Nuclear Magnetic Resonance (pNMR). Four levels of cooling rates and temperature crystallization studied. Crystallization kinetics parameters were measured by applying the model of Gompertz. Gompertz model used to explain the induction time, the increase in the maximum rate of crystallization and the cr

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41

Hill, SG, K. Kinson, and D. Seddon. "The Crystal Size and Morphology of Silicalite as Influenced by Gel Nucleation Temperature, Alkalinity and Sodium-Chloride Concentration." Australian Journal of Chemistry 41, no. 5 (1988): 783. http://dx.doi.org/10.1071/ch9880783.

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Abstract (sommario):

The influence of sodium chloride, nucleation temperature and alkalinity on crystal size and product morphology of silicalite is described for crystallizations at temperatures of about 170�C. Addition of sodium chloride and increasing alkalinity produce crystals with less intergrowth. Nucleating the gel at 90�C before crystallization significantly reduces crystal size. The intergrowths on the faces of silicalite can be separated and features of the interlocking of separate crystal entities revealed.

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42

Zhao, Lisha, Yang Lv, Jiale Chen, Hao Huang, Xiaoqin Zhou, and Yanhua Cai. "The Performance Investigation of PLLA/PPAPH: The Influence of PPAPH as Heterogeneous Crystal Nuclei." Materiale Plastice 61, no. 1 (2024): 157–69. http://dx.doi.org/10.37358/mp.24.1.5711.

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To overcome PLLA�s poor crystallization capability, using nucleating agent as crystallization improvement strategy was performed in this study. PPAPH as PLLA�s an organic nucleating agent was firstly synthesized, and then PLLA was blended with different PPAPH loading through melting blend method, the resulting influences of PPAPH on PLLA�s performances were investigated using the relevant testing instruments. Melt-crystallization revealed that PPAPH played important role in promoting PLLA�s crystallization through providing effective sites of heterogeneous nucleation, and effect of PPAPH loadi

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43

Gu, Xiao Hua, Jia Liang Zhou, and Jian Hong Liu. "Effects of Nanoparticles TiN on the Crystallization Behavior of PET Nanocomposites." Advanced Materials Research 284-286 (July 2011): 353–59. http://dx.doi.org/10.4028/www.scientific.net/amr.284-286.353.

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Abstract (sommario):

In this paper, crystallization kinetics behavior of a high heat-absorbing PET / TiN nanocomposite ,the effect of the crystallization behavior of adding nanoendothermic agent,and their crystallization rate and crystallization were studied by differential scanning calorimeter (DSC) ,researching the effect of crystallization behavior of PET with modified TiN and using Avrami equation to study non-isothermal crystallization kinetics. The results show that the kinetic rate constant Zc increasing with the increase of cooling rate, the crystallization half time t1 / 2 subsequently reduced, the crysta

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44

Gilliland, Gary L., Michael Tung, and Jane E. Ladner. "The Biological Macromolecule Crystallization Database: crystallization procedures and strategies." Acta Crystallographica Section D Biological Crystallography 58, no. 6 (2002): 916–20. http://dx.doi.org/10.1107/s0907444902006686.

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Abstract (sommario):

The Biological Macromolecule Crystallization Database (BMCD) archives crystallization data from published reports for all forms of biological macromolecules that have produced crystals suitable for X-ray diffraction studies. The information includes the crystallization conditions, crystal data, comments about the crystallization procedure and information on the biological macromolecule or biological macromolecule complex. Crystallization procedures, including fast screens and more general procedures, can be developed effectively using this web-based resource (http://wwwbmcd.nist.gov:8080/bmcd/

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45

Tseng, Chen-Rui, Shoei-Chin Wu, Jeng-Jue Wu, and Feng-Chih Chang. "Crystallization behavior of syndiotactic polystyrene nanocomposites for melt- and cold-crystallizations." Journal of Applied Polymer Science 86, no. 10 (2002): 2492–501. http://dx.doi.org/10.1002/app.11020.

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46

Shock, R. A. W. "INDUSTRIAL CRYSTALLIZATION." Multiphase Science and Technology 4, no. 1-4 (1989): 371–581. http://dx.doi.org/10.1615/multscientechn.v4.i1-4.40.

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47

Toda, Akihiko. "Polymer Crystallization." Seikei-Kakou 20, no. 2 (2008): 78–83. http://dx.doi.org/10.4325/seikeikakou.20.78.

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48

Gómez-Morales, Jaime, Giuseppe Falini, and Juan Manuel García-Ruiz. "Biological Crystallization." Crystals 9, no. 8 (2019): 409. http://dx.doi.org/10.3390/cryst9080409.

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Abstract (sommario):

“Biological Crystallization” is today a very wide topic that includes biomineralization, but also the laboratory crystallization of biological compounds such as macromolecules, carbohydrates or lipids, and the synthesis and fabrication of biomimetic materials by different routes [...]

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49

Marriott, David. "On Crystallization." Critical Times 4, no. 2 (2021): 187–232. http://dx.doi.org/10.1215/26410478-9092290.

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Abstract (sommario):

Abstract This essay considers the various meanings of the word “crystallization” in Frantz Fanon's main theses on national culture and his political philosophy more generally. It also further considers the implications of crystallization alongside Fanon's notion of the “nation to come” for an understanding of his approach to art, history, philosophy, and religion. This philosophy of crystallization, of which there has been little or no mention in Fanonian studies, is also contrasted with and compared to works by the Guinean poet Keita Fodéba and the Iranian critic Ali Shariʿati.

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50

Ke, Lili, and Liming Ding. "Perovskite crystallization." Journal of Semiconductors 42, no. 8 (2021): 080203. http://dx.doi.org/10.1088/1674-4926/42/8/080203.

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