Thematische Bibliographien / RTG diffraction / Zeitschriftenartikel
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Zeitschriftenartikel zum Thema „RTG diffraction“

Autor: Grafiati
Veröffentlicht am 28. Juni 2021
Zuletzt aktualisiert am 29. Juli 2025

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1

Camara, A. H. "Faktorová analýza v Mössbauerovì spektroskopii a RTG difrakèní fázové analýze / Factor analysis in Mössbauer spectroscopy and X-ray diffraction analysis." Koroze a ochrana materialu 58, no. 3 (2014): 88–94. http://dx.doi.org/10.2478/kom-2014-0010.

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Ze souboru vzorků obsahujících železo byly metodami Mössbauerovy spektroskopie a rtg difrakční analýzy získána data, na která byla aplikována faktorová analýza, díky níž bylo zjištěno, kolika faktory lze vysvětlit celkový rozptyl dat. Došlo tedy k vyčíslením faktorového skóre, k redukci počtu proměnných a vzniku faktorů, kterými byly nahrazeny původní proměnné. U Mössbauerovy spektroskopie se jedná o šest faktorů, kterým bylo přiřazeno šest původních proměnných a u rtg difrakční analýzy byly zjištěny tři faktory, kterým byly přiřazeny tři původní proměnné.
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Hutyrová, Zuzana, Włodzimierz Makiela, Peter Michalik, et al. "Creation of Mathematical Prescription of Residual Stress Depending on Various Cutting Conditions." Key Engineering Materials 669 (October 2015): 126–33. http://dx.doi.org/10.4028/www.scientific.net/kem.669.126.

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Article deals with problematic of internal residual stress after machining depends on various cutting condition. In article is presented influenced of cutting conditions to quality of internal layers by defining values of residual stresses. Method use to evaluate values of residual stress was RTG diffraction. Material used for experiment was steel C45 and type of machining was up milling for various parameters such as spindle speed, feed rate and depth of cut.
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3

Wenk, H. R. "Neutron Diffraction Texture Analysis." Reviews in Mineralogy and Geochemistry 63, no. 1 (2006): 399–426. http://dx.doi.org/10.2138/rmg.2006.63.15.

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4

Harrison, R. J. "Neutron Diffraction of Magnetic Materials." Reviews in Mineralogy and Geochemistry 63, no. 1 (2006): 113–43. http://dx.doi.org/10.2138/rmg.2006.63.6.

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5

Fei, Y., and Y. Wang. "High-Pressure and High-Temperature Powder Diffraction." Reviews in Mineralogy and Geochemistry 41, no. 1 (2000): 521–57. http://dx.doi.org/10.2138/rmg.2000.41.15.

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6

Ross, N. L., and C. Hoffmann. "Single-crystal Neutron Diffraction: Present and Future Applications." Reviews in Mineralogy and Geochemistry 63, no. 1 (2006): 59–80. http://dx.doi.org/10.2138/rmg.2006.63.3.

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7

Knorr, K., and W. Depmeier. "Application of Neutron Powder-Diffraction to Mineral Structures." Reviews in Mineralogy and Geochemistry 63, no. 1 (2006): 99–111. http://dx.doi.org/10.2138/rmg.2006.63.5.

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8

Meier, R., J. Anderson, and S. Verryn. "Industrial X-ray Diffraction Analysis of Building Materials." Reviews in Mineralogy and Geochemistry 74, no. 1 (2012): 147–65. http://dx.doi.org/10.2138/rmg.2012.74.4.

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9

Hill, Adrian H. "A new gas system for automatedin situpowder diffraction studies at the European Synchrotron Radiation Facility." Journal of Applied Crystallography 46, no. 2 (2013): 570–72. http://dx.doi.org/10.1107/s0021889813000629.

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A new gas dosing rig built for the high-resolution powder diffraction beamline (ID31) at the ESRF is described. The rig is fully controlled and monitored by the beamline control software, enabling automated absorption and desorption of fixed pressures of gases up to 100 bar (107 Pa) forin situstructural studies. The rig has successfully been used on ID31 as well as other beamlines at the ESRF.
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10

Lavina, B., P. Dera, and R. T. Downs. "Modern X-ray Diffraction Methods in Mineralogy and Geosciences." Reviews in Mineralogy and Geochemistry 78, no. 1 (2014): 1–31. http://dx.doi.org/10.2138/rmg.2014.78.1.

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11

Patra, Satyajit, Jean-Benoît Claude, Jean-Valère Naubron, and Jérome Wenger. "Fast interaction dynamics of G-quadruplex and RGG-rich peptides unveiled in zero-mode waveguides." Nucleic Acids Research 49, no. 21 (2021): 12348–57. http://dx.doi.org/10.1093/nar/gkab1002.

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Abstract G-quadruplexes (GQs), a non-canonical form of DNA, are receiving a huge interest as target sites for potential applications in antiviral and anticancer drug treatments. The biological functions of GQs can be controlled by specifically binding proteins known as GQs binding proteins. Some of the GQs binding proteins contain an arginine and glycine-rich sequence known as RGG peptide. Despite the important role of RGG, the GQs-RGG interaction remains poorly understood. By single molecule measurements, the interaction dynamics can be determined in principle. However, the RGG–GQs interactio
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12

Gueninchault, N., H. Proudhon, and W. Ludwig. "Nanox: a miniature mechanical stress rig designed for near-field X-ray diffraction imaging techniques." Journal of Synchrotron Radiation 23, no. 6 (2016): 1474–83. http://dx.doi.org/10.1107/s1600577516013850.

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Multi-modal characterization of polycrystalline materials by combined use of three-dimensional (3D) X-ray diffraction and imaging techniques may be considered as the 3D equivalent of surface studies in the electron microscope combining diffraction and other imaging modalities. Since acquisition times at synchrotron sources are nowadays compatible with four-dimensional (time lapse) studies, suitable mechanical testing devices are needed which enable switching between these different imaging modalities over the course of a mechanical test. Here a specifically designed tensile device, fulfilling
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13

Cole, D. R., K. W. Herwig, E. Mamontov, and J. Z. Larese. "Neutron Scattering and Diffraction Studies of Fluids and Fluid-Solid Interactions." Reviews in Mineralogy and Geochemistry 63, no. 1 (2006): 313–62. http://dx.doi.org/10.2138/rmg.2006.63.13.

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14

Redfern, S. A. T. "Neutron Powder Diffraction Studies of Order-Disorder Phase Transitions and Kinetics." Reviews in Mineralogy and Geochemistry 63, no. 1 (2006): 145–70. http://dx.doi.org/10.2138/rmg.2006.63.7.

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15

Jin, Rui Min, Ding Zhen Li, Lan Li Chen, Xiang Ju Han, and Jing Xiao Lu. "Solid-Phase Crystallization of a-Si:H by RTA." Applied Mechanics and Materials 44-47 (December 2010): 4151–53. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.4151.

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Amorphous silicon films prepared by PECVD on glass substrate has been crystallized by rapid thermal annealing (RTA) at the same temperature for different time. From X-ray diffraction (XRD) and scanning electronic microscope (SEM), it is found that the grain size is biggest crystallized at 720°C for 8 min, an average grain size of 28nm or so is obtained. The thin film is smoothly and perfect structure.
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16

Siti Shafiqah, Ahmad Shaharuddin, Roslan Md Nor, Y. M. Amin, and David A. Bradley. "Synthesis of Silver Decorated Silica Nanospheres for Surface Enhanced Raman Scattering (SERS) Substrates." Advanced Materials Research 1133 (January 2016): 471–75. http://dx.doi.org/10.4028/www.scientific.net/amr.1133.471.

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A sol-gel technique has been used to synthesize silver decorated silica nanospheres for surface enhanced Raman scattering (SERS) substrates. X- Ray diffraction (XRD) spectra shows peak at 2θ = 38.1, 44.6, 64.7, and 77.5°confirming the presence of Ag nanoparticles on the substrates. The Ag- decorated silica nanospheres were applied as SERS substrates using Rhodamine 6G (R6G) as probe molecule. From Raman analysis, the highest SERS enhancement factor at R6G concentration of 102was calculated around ~1010.
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17

Kuhs, W. F., and T. C. Hansen. "Time-resolved Neutron Diffraction Studies with Emphasis on Water Ices and Gas Hydrates." Reviews in Mineralogy and Geochemistry 63, no. 1 (2006): 171–204. http://dx.doi.org/10.2138/rmg.2006.63.8.

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18

MADHURI, M. BHAGAT, P. B. LOKHANDE DR., and H. A. MUJAWAR DR. "PHOTOCATALYTIC DEGRADATION OF CARCINOGENIC RHODAMINE 6G DYE BY STRONTIUM AND TIN DOPED CADMIUM SULPHIDE NANOPARTICLES." JournalNX - A Multidisciplinary Peer Reviewed Journal 3, no. 6 (2017): 129–36. https://doi.org/10.5281/zenodo.1445419.

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Pure, Sn and Sr doped Cadmium Sulphide photocatalysts were prepared by chemical coprecipitation method with different proportion of dopant (CdxSrySn1-x+yS). The prepared samples were characterised by SEM (Scanning Electron Microscopy), EDX (Energy Dispersive X-Ray Diffraction, and XRD (X-Ray diffraction) spectroscopy. Structural and optical study reveals, the size and band gap was reduced than pure CdS. Photocatalytic degradation experiments were carried out in UV-Photo reactor for degradation study and in sunlight. The photocatalytic activity of Sr and Sn doped Cadmium Sulphide was studied by
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19

Peterson, R. C., and H. Yang. "High-Temperature Devices and Environmental Cells Designed for X-ray and Neutron Diffraction Experiments." Reviews in Mineralogy and Geochemistry 41, no. 1 (2000): 425–43. http://dx.doi.org/10.2138/rmg.2000.41.13.

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20

Goncharov, B. E., A. M. Sipatov, N. N. Cherkashneva, et al. "STUDIES OF THERMAL SHOCK RESISTANCE OF AN ANTI-OXIDATION COATING FOR A MULTI-LAYERED CERAMIC COMPOSITE." Aviation Materials and Technologies, no. 4 (2021): 51–58. http://dx.doi.org/10.18577/2713-0193-2021-0-4-51-58.

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The article covers the performance of thermal shock resistance experiments of a ceramic composite with two types of anti-oxidation coatings. A thermal shock burner rig was used to carry out the experiments similar to those expected in a combustor of a turbojet engine. SEM and х-ray diffraction analyses were used to examine the antioxidation coatings. It was deter-mined that the coating based on the refractory compounds possesses high thermal shock resistance when exposed to the fuel gas flow from a burner rig.
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21

Chen, Guangming, Nobuo Iyi, Ryo Sasai, Taketoshi Fujita, and Kenji Kitamura. "Intercalation of Rhodamine 6G and Oxazine 4 into Oriented Clay Films and Their Alignment." Journal of Materials Research 17, no. 5 (2002): 1035–40. http://dx.doi.org/10.1557/jmr.2002.0153.

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The cationic dyes rhodamine 6G (R6G) and oxazine 4 (Ox4) were intercalated into oriented lithium hectorite (LiHT, a synthetic fluor-mica) films by ion-exchange, and their orientation was studied by x-ray and polarized spectroscopy. Orientation of dyes was determined by basal spacing obtained by x-ray diffraction data, showing that angles of the long axis were 60° for R6G and 47° for Ox4 against the layer. Polarized ultraviolet-visible spectroscopy showed that the high-order H-aggregate of R6G and Ox4 were oriented at 64° and 52° against layers, respectively; other states of dyes were oriented
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22

Гнатюк, М. А., В. М. Морозов, and С. В. Марченко. "Electromagnetic wave diffraction on rectangular waveguides cascaded junction." Radiotekhnika 1, no. 196 (2019): 130–37. http://dx.doi.org/10.30837/rt.2019.1.196.16.

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23

Drewitt, James W. E., Louis Hennet, and Daniel R. Neuville. "From Short to Medium Range Order in Glasses and Melts by Diffraction and Raman Spectroscopy." Reviews in Mineralogy and Geochemistry 87, no. 1 (2022): 55–103. http://dx.doi.org/10.2138/rmg.2022.87.02.

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24

Liu, Nan, Huan-Ping Chen, Zi-Meng Yang та ін. "Enhancement of Dissolving Capacity and Reducing Gastric Mucosa Irritation by Complex Formation of Resibufogenin with β-Cyclodextrin or 2-Hydroxypropyl-β-cyclodextrin". Molecules 27, № 10 (2022): 3213. http://dx.doi.org/10.3390/molecules27103213.

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Resibufogenin (RBG) is a natural medicinal ingredient with promising cardiac protection and antitumor activity. However, poor solubility and severe gastric mucosa irritation restrict its application in the pharmaceutical field. In this study, the inclusion complex of RBG with β-cyclodextrin (β-CD) and 2-hydroxypropyl-β-cyclodextrin (HP-β-CD) was prepared using the co-evaporation method, and the molar ratio of RBG to CD was determined to be approximately 1:2 by continuous variation plot for both CDs. The formation of inclusion complexes between RBG and each CD (RBG/β-CD and RBG/HP-β-CD) was eva
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Bian, Xufei, Lan Jiang, Jing Zhou, et al. "Improving Dissolution and Cytotoxicity by Forming Multidrug Crystals." Molecules 25, no. 6 (2020): 1343. http://dx.doi.org/10.3390/molecules25061343.

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Both rosiglitazone and metformin have effects on blood glucose regulation and the proliferation of liver cancer cells. Combination therapy with these two drugs is common and effective for the treatment of diabetes in the clinic, however, the application of these two drugs is influenced by the poor dissolution of rosiglitazone and the gastrointestinal side-effect of metformin resulting from a high solubility. The formation of a multidrug crystal form (Rsg-Met) by a solvent evaporation method can solve the solubility issue. Crystal structure data and intramolecular hydrogen bonds were detected b
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26

Sevik, Yasar, and Ertugrul Durak. "Investigation of fretting wear in journal bearings." Industrial Lubrication and Tribology 68, no. 4 (2016): 466–75. http://dx.doi.org/10.1108/ilt-11-2015-0171.

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Purpose Fretting wear takes place when two contacting solid surfaces are subjected to relatively small amplitude oscillatory motion in the order of a few microns. The purpose of this paper is the design and manufacture of a fretting wear test rig that can analyze fretting wear on journal bearings. Design/methodology/approach This study included the manufacturing and operating principles of the test rig. In the test rig, the shaft was fixed and vibrational motion was given to the bearing housing. Vibration motion the amplitude of which could be adjusted was used on the test rig. The vibration m
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27

Wang, Y. Q., S. Kabra, S. Y. Zhang, C. E. Truman, and D. J. Smith. "Anin situthermo-mechanical rig for lattice strain measurement during creep using neutron diffraction." Review of Scientific Instruments 89, no. 5 (2018): 055110. http://dx.doi.org/10.1063/1.5001085.

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28

Rathod, Chandrahas, David Wexler, Vladimir Luzin, Paul Boyd, and Manicka Dhanasekar. "A Neutron Diffraction Investigation of Residual Stresses in Rail Ends after Severe Deformation of Rail Surfaces." Materials Science Forum 777 (February 2014): 213–18. http://dx.doi.org/10.4028/www.scientific.net/msf.777.213.

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Insulated rail joints (IRJs) are a primary component of the rail track safety and signalling systems. Rails are supported by two fishplates which are fastened by bolts and nuts and, with the support of sleepers and track ballast, form an integrated assembly. IRJ failure can result from progressive defects, the propagation of which is influenced by residual stresses in the rail. Residual stresses change significantly during service due to the complex deformation and damage effects associated with wheel rolling, sliding and impact. IRJ failures can occur when metal flows over the insulated rail
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Калиберда, М. Е., Л. Н. Литвиненко, and С. А. Погарский. "Operator method in diffraction by semi-infinite graphene grating." Radiotekhnika 1, no. 196 (2019): 112–16. http://dx.doi.org/10.30837/rt.2019.1.196.14.

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30

Humud, Hammad R. "Effect of Ag nanoparticles on R6G laser dye hosted by PMMA polymerized by plasma jet." Iraqi Journal of Physics (IJP) 14, no. 29 (2019): 27–36. http://dx.doi.org/10.30723/ijp.v14i29.217.

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This work aim to prepare Ag/R6G/PMMA nanocomposite thinfilms by In-situ plasma polymerization and study the changes in theoptical properties of fluorophore due to the presence of Agnanoparticles structures in the vicinity of the R6G laser dye. Theconcentrations of R6G dye/MMA used are: 10-4M solutions wereprepared by dissolving the required quantity of the R6G dye inMMAMonomer. Then Silver nanoparticles with 50 average particlessize were mixed with MMAmonomer with concentration of 0.3, 0.5,0.7wt% to get R6G silver/MMA in liquid phase. The films weredeposited on glass substrates by dielectric b
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31

Kwok, Jane, Kenrie P. Y. Hui, Julien Lescar, and Masayo Kotaka. "Expression, purification, crystallization and preliminary X-ray analysis of full-length human RIG-I." Acta Crystallographica Section F Structural Biology Communications 70, no. 2 (2014): 248–51. http://dx.doi.org/10.1107/s2053230x14000430.

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The human innate immune system can detect invasion by microbial pathogens through pattern-recognition receptors that recognize structurally conserved pathogen-associated molecular patterns. Retinoic acid-inducible gene I (RIG-I)-like helicases (RLHs) are one of the two major families of pattern-recognition receptors that can detect viral RNA. RIG-I, belonging to the RLH family, is capable of recognizing intracellular viral RNA from RNA viruses, including influenza virus and Ebola virus. Here, full-length human RIG-I (hRIG-I) was cloned inEscherichia coliand expressed in a recombinant form with
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32

Gnatyuk, M. A., and V. M. Morozov. "Application of the Schwartz method to the calculation of waveguide PAA in the presence of die-lectric inserts and coatings." Radiotekhnika, no. 190 (October 16, 2017): 70–76. http://dx.doi.org/10.30837/rt.2017.3.190.10.

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The application of the Schwarz method for solving the problem of diffraction of an electromagnetic wave on a linear phased array antenna scanning in the H-plane is considered. The diffraction problem is reduced to the solution of the Fredholm integral equation of the second kind by the method of successive approximations. Expressions are obtained for the reflection coefficient of the incident wave in the i-order approximation.
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Taran, Yu V., A. M. Balagurov, Jürgen Schreiber, and Alexander M. Korsunsky. "Neutron Diffraction Analysis of Stresses in an In-Plane Biaxially-Fatigued Stainless Steel Sample of Cruciform Geometry." Materials Science Forum 571-572 (March 2008): 131–36. http://dx.doi.org/10.4028/www.scientific.net/msf.571-572.131.

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An ex-situ in-plane biaxial low cycle fatigued sample of cruciform geometry made from austenitic stainless steel AISI 321 H was studied with the help of neutron diffraction strain scanning and also in-situ uniaxial loading using a stress rig on the FSD stress-diffractometer at the IBR-2 pulsed nuclear reactor (Dubna). The objectives of the experiment were to measure the macroscopic and microscopic residual stresses, crystallographic phase composition and the mechanical characteristics of the alloy under fatigue conditions. To the best of our knowledge, no neutron diffraction investigations of
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Li, Xiaoqiang, Jialin Zhang, Zengyuan Pang, et al. "Photoelectrocatalytic decolorization of methylene blue using reduced graphene oxide modified TiO2 on filter paper." Water Science and Technology 80, no. 9 (2019): 1673–82. http://dx.doi.org/10.2166/wst.2019.425.

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Abstract In this work, titanium dioxide (TiO2) was modified with reduced graphene oxide (rGO), and then coated on filter paper to prepare the rGT/FP photoelectrode for the photoelectrocatalytic (PEC) decolorization of methylene blue (MB). The physicochemical properties of the rGT/FP photoelectrode were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD) analysis and UV-Vis diffuse reflectance spectroscopy (DRS). The decolorization results demonstrated that the photocatalytic (PC) and electrocatalytic (EC) efficiency of the photoelectrode could be significantly impro
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Калиберда, М. Е., Л. Н. Литвиненко, and С. А. Погарский. "Diffraction of H-polarized wave by planar venetian-blind type grating." Radiotekhnika 2, no. 197 (2019): 38–42. http://dx.doi.org/10.30837/rt.2019.2.197.04.

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Muslih, M. Refai, Ridwan, Iman Kuntoro, and Nobuaki Minakawa. "Applied Stress on Silicon Perfect Single Crystal for Controlling the Extinction Layer." Materials Science Forum 652 (May 2010): 255–59. http://dx.doi.org/10.4028/www.scientific.net/msf.652.255.

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The extinct layer of Si(311) perfect single crystal has been investigated by neutron diffraction method with the residual stress diffractometer DN1-M installed at the experimental hall of Indonesian multipurpose reactor RSG-GAS, in Serpong, which provides micro beam and point detector arrangement. A Si(311) perfect single crystal with thickness of 5mm was used in this experiment. The crystal was finely polished at one side and roughly polished at the opposite one. It was measured that diffracted beam from the finely polished side shows very low intensity with narrow peak profile, while for the
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Безуглий, А. В., та О. М. Петченко. "Diffraction of Н-polarised photons on the infinite grating of metallic ribbons". Radiotekhnika 2, № 197 (2019): 43–49. http://dx.doi.org/10.30837/rt.2019.2.197.05.

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38

Saeed, Muhammad, Majida Ameen, and Aras Mahmood. "Structural and Optical Properties of R6G Doped Nanotitania Thin Films Deposited via Sol–Gel Dip-coating Meth." Journal of Zankoy Sulaimani - Part A 24, no. 1 (2022): 113–26. http://dx.doi.org/10.17656/jzs.10874.

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Pure and rhodamine 6G (R6G) doped titanium dioxide (TiO2) nanostructure thin films with different concentrations (310-4 , 310-5 , 310-6 , and 310-7 ) M of doped TiO2 sol were deposited on glass substrate via dip-coated sol-gel method. Amorphous structure of the pure and doped TiO2 thin films was identified by X-ray diffraction (XRD) technique. UV-Visible (UV-vis) and fluorescence spectrophotometry techniques were used to study optical and spectroscopic characterization of the samples, respectively. The absorption spectra for all pure and doped TiO2 films indicate a strong absorbance in the
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Panigrahi, Pravas Kumar, and Amita Pathak. "Aqueous Medium Synthesis Route for Randomly Stacked Molybdenum Disulfide." Journal of Nanoparticles 2013 (April 18, 2013): 1–10. http://dx.doi.org/10.1155/2013/671214.

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Synthesis of poorly crystalline, randomly oriented rag-like structures of molybdenum disulfide has been reported starting from aqueous solutions of ammonium molybdate, and thioacetamide in presence of sodium dodecyl sulfate via calcination of the amorphous precipitates, obtained through acidification of the in situ generated intermediate of ammonium tetrathiomolybdate. X-ray photoelectron spectroscopy, UV-visible spectroscopy, and X-ray diffraction of the calcined samples reveal the formation of single-phase MoS2, while the amorphous precipitates have been found to be a mixture of Mo2S5, MoS3,
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Epure, Cristian, Corneliu Munteanu, Bogdan Istrate, and Maria Harja. "THE INFLUENCE OF HEAT TREATMENT TEMPERATURE ON THE PROCESS OF OBTAINING MATERIAL FROM RECYCLED AND CRUSHED GLASS, USED IN VARIOUS APPLICATIONS." International Journal of Modern Manufacturing Technologies 15, no. 3 (2023): 43–48. http://dx.doi.org/10.54684/ijmmt.2023.15.3.43.

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This study aims to investigate the influence of the treatment temperature on the mechanical properties of recycled and crushed glass (RCG) and to develop new materials in the civil field (interiors, art objects, constructions, etc.). Crushed glass (RCG) was thermally treated through a crystallization process in stages (T1, T2, T3, etc.). This method involves gradual heating in stages: the first stage at a constant temperature (T1) between 700 and 870°C; the second stage holding at constant and varied temperatures (T2) of 800, 850, 870, and 900°C for one hour or two hours; and the third stage,
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BHAT, KETAN, Maneesh Avadhani, Milind Gurav, Vadiraj Patil, and M. Krishna. "INVESTIGATION OF CONTACT FATIGUE AND OPERATING PERFORMANCE OF NI-WC COMPOSITE ELECTROCOATED GEARS." JOURNAL OF SOCIAL SCIENCE RESEARCH 8, no. 1 (2015): 1472–77. http://dx.doi.org/10.24297/jssr.v8i1.3605.

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The objective of the work was to evaluate contact fatigue and operating performance of electrodeposited Ni-WC composite coated gears using experimental technique. The electrodeposited Ni-WC coating was characterized for coating thickness, hardness and crystal structure using Electro-Physik gauge, Rockwell Hardness testing machine and X-Ray Diffraction respectively. The operation condition was estimated using designed test rig and vibration pick with CRO. The results show that coated gears are smoother in operation and offer more resistance to wear and fretting due to increased hardness.
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Khorram, Ali, Hasan Meraji, and Vahid Dibaji. "Microstructural evolution of laser repair welded rene 142 superalloy with IN625/C263 welding materials." Physica Scripta 100, no. 7 (2025): 075045. https://doi.org/10.1088/1402-4896/adedcd.

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Abstract In this study, the repair of directionally solidified turbine vanes made of René-142 superalloy was conducted using pulsed laser welding with two different filler metals, IN625 and C263. The first two weld passes were deposited using IN625, while the final five passes were completed with C263. Subsequently, the repaired samples were subjected to a burner-rig test under engine operating temperature conditions (900 °C) for durations of 1 h and 200 h. The results indicate that the repaired samples were defect-free, and no cracks were observed in the material following the burner-rig test
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Tseng, Ching Fang, Ren Ya Yang, and Chien Hua Chen. "Influence of RTA Treatment on the Properties of ZnO-CeO2 Dielectric Films." Materials Science Forum 787 (April 2014): 232–35. http://dx.doi.org/10.4028/www.scientific.net/msf.787.232.

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The electrical and physical properties of ZnO-CeO2 thin films on n-type Si (100) substrates have been examined by sol-gel method. In addition, the structures were heat treated at different temperatures from 600 to 700oC using the RTA (Rapid Thermal Annealing) process and investigated the influence of RTA effect on their properties. The diffraction pattern showed that the deposited films exhibited a polycrystalline microstructure. All films exhibited ZnO-CeO2 peaks orientation perpendicular to the substrate surface and the grain size with the dependent on annealing temperature. The dependence o
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Valentini, Emilio, Alessio Benincasa, and Ciro Santus. "Bending Test Rig for Validating the Hole Drilling Method Residual Stress Measurement." Materials Science Forum 768-769 (September 2013): 150–57. http://dx.doi.org/10.4028/www.scientific.net/msf.768-769.150.

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This paper shows a large validation activity of the strain gage Hole Drilling Method. The residual stress measurements can not be validated easily, unless with Round Robin activity and/or comparison with other residual stress measurements such as X-ray diffraction. An accurate validation procedure is reported in the present paper, using abending test rig. The bending stress experimentally simulated a residual stress (known with uncertainty lower than 1%) that was considered as the reference stress distribution. The results showed very accurate measurement in terms of relaxed strain distributio
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LIN, JIANPING, HUIQING LAN, WEIFENG ZHENG, YAN QU, and FACHUN LAI. "SILVER NANOPARTICLES FILMS DEPOSITED ON AAO TEMPLATES BY THERMAL EVAPORATION FOR SURFACE-ENHANCED RAMAN SCATTERING OF R6G." Nano 07, no. 06 (2012): 1250048. http://dx.doi.org/10.1142/s1793292012500488.

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Silver nanoparticles (NPs) films with different nominal thicknesses were deposited on the anodic aluminum oxide (AAO) templates with pore diameter about 200 nm by thermal evaporation. These NPs films were used as the surface enhanced Raman scattering (SERS) active substrates. The microstructure and surface morphology of the films were studied by X-ray diffraction and scanning electron microscopy, respectively. The SERS activity of the films was investigated by Raman scattering of adsorbed rhodamine 6G (R6G) at different concentrations. The results revealed that the average diameter of Ag NPs i
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Zhu, Linhui, Yu Liu, and Yangwenyi L, Yaoji Tang. "Synthesis of chitosan graft poly (acrylic acid-co-2-acrylamide-2-methylpropanesulfonic acid)/graphite oxide composite hydrogel and the study of its adsorption." Polymers and Polymer Composites 30 (January 2022): 096739112210861. http://dx.doi.org/10.1177/09673911221086164.

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Chitosan graft poly (acrylic acid-co-2-acrylamide-2-methylpropanesulfonic acid)/graphite oxide (CTS-g-P(AA-co-AMPS)/GO) composite hydrogel is synthesized and used to remove rhodamine 6G (R6G) and methyl violet (MV) from aqueous solutions by adsorption. The composite is characterized by infrared spectroscopy (IR), powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscope (TEM), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). The effect of the adsorption conditions, including the amount of graphite oxide (GO), the initial
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Quintero, A., M. Libera, C. Cabrai, C. Lavoie, and J. M. E. Harper. "Silicide Identification in Rta-Processed Ti Salicide by Analytical Electron Microscopy." Microscopy and Microanalysis 3, S2 (1997): 453–54. http://dx.doi.org/10.1017/s1431927600009156.

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Titanium suicides have low resistivity, low contact resistance, and are widely used as interconnects in electronic devices. The most desirable structure is the C54 variant of titanium disilicide (TiSi2). It is typically formed during thermal annealing by a polymorphic transformation from the C49 TiSi2 structure. The C49 to C54 transformation has been studied extensively and there has been substantial effort to devise ways in which to lower the temperature associated with this transformation. This research uses high-resolution imaging (HREM), convergent-beam diffraction (CBED), and energy-dispe
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Liu, Hai Xing, Jing Zhong Xiao, Lan Xu, Vitor Hugo Nunes Rodrigues, Manuela Ramos Marques da Silva, and Xi Shi Tai. "Study on Novel Structure of Nitric Acid Phenanthroline Vanadium Monohydrate: [ V(C12H8N2) ·O2·(H2O)]·NO3·H2O." Advanced Materials Research 554-556 (July 2012): 852–55. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.852.

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A new vanadium complex [ V(C12H8N2) ·O2·(H2O)]·NO3·H2O h as been synthesized from a simple reaction and the crystal structure has been determined by means of single-crystal X-ray diffraction. Monoclinic, P2(1)/c. a = 9.5137(2) Å b = 19.3181(4) Å c = 7.51800(10) Å α=γ=90 β= 93.6830. V= 1378.85(4) Å3. Z=2. Rgt(F) = 0.0255, wRref(F2) = 0.0809. T= 273(2) K. The compound consisted of a [ V(C12H8N2) ·O2·(H2O)]+ cation, one NO3-anion and one water molecular. Molecule structure is stabilized by OHN , OHO intramolecular and intermolecular hydrogen bonds.
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Gegner, Jürgen, and Wolfgang Nierlich. "Service Loading Analysis of Wind Turbine Gearbox Rolling Bearings Based on X-Ray Diffraction Residual Stress Measurements." Materials Science Forum 768-769 (September 2013): 723–32. http://dx.doi.org/10.4028/www.scientific.net/msf.768-769.723.

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Rolling bearings in wind turbine gearboxes occasionally fail prematurely by so-called white etching cracks. The appearance of the damage indicates brittle spontaneous tensile stress induced surface cracking followed by corrosion fatigue driven crack growth. An X-ray diffraction based residual stress analysis reveals vibrations in service as the root cause. The occurrence of high local friction coefficients in the rolling contact is described by a tribological model. Depth profiles of the equivalent shear and normal stresses are compared with residual stress patterns and a relevant fracture str
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Schubnell, Jan, Eva Carl, Viktor Widerspan, and Mareike Collmann. "Determination of Loading and Residual Stresses on Offshore Jacket Structures by X-ray Diffraction." Journal of Marine Science and Engineering 11, no. 7 (2023): 1304. http://dx.doi.org/10.3390/jmse11071304.

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As basements of offshore wind turbines (OWTs) in deep water (>50 m), jacket structures are an economic alternative to monopiles. For this reason, the structural durability of jackets has become more important. In such structures, welded tubular joints are weak points for fatigue design. The harmful effect of tensile residual stresses in welding joints is well known. For these reasons, the residual stresses and the loading stresses of offshore jacket structures were determined by X-ray diffraction (XRD) using a mobile diffractometer. This allows us to directly determine the load stress at th
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