To see the other types of publications on this topic, follow the link: Radiolyse de surface.

Journal articles on the topic 'Radiolyse de surface'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Radiolyse de surface.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Erlandsen, Stanley, Ming Lei, Ines Martin-Lacave, Gary Dunny, and Carol Wells. "High Resolution CryoFESEM of Microbial Surfaces." Microscopy and Microanalysis 9, no. 4 (2003): 273–78. http://dx.doi.org/10.1017/s1431927603030502.

Full text
Abstract:
The outer surfaces of three microorganisms, Giardia lamblia, Enterococcus faecalis, and Proteus mirabilis, were investigated by cryo-immobilization followed by sublimation of extracellular ice and cryocoating with either Pt alone or Pt plus carbon. Cryocoated samples were examined at −125°C in either an in-lens field emission SEM or a below-the-lens field emission SEM. Cryocoating with Pt alone was sufficient for low magnification observation, but attempts to do high-resolution imaging resulted in radiolysis and cracking of the specimen surface. Double coating with Pt and carbon, in combinatio
APA, Harvard, Vancouver, ISO, and other styles
2

Briggs, Scott, Mehran Behazin, and Fraser King. "Validation of Water Radiolysis Models Against Experimental Data in Support of the Prediction of the Radiation-Induced Corrosion of Copper-Coated Used Fuel Containers." Corrosion and Materials Degradation 6, no. 2 (2025): 14. https://doi.org/10.3390/cmd6020014.

Full text
Abstract:
Copper has been proposed as a container material for the disposal of used nuclear fuel in a number of countries worldwide. The container materials will be subject to various corrosion processes in a deep geological repository, including radiation-induced corrosion (RIC) resulting from the γ-irradiation of the near-field environment. A comprehensive model is being developed to predict the extent of RIC by coupling a radiolysis model to the interfacial electrochemical reactions on the container surface. An important component of the overall model is a radiolysis model to predict the time-depende
APA, Harvard, Vancouver, ISO, and other styles
3

Mukherjee, Smita, Marie-Claude Fauré, Michel Goldmann, and Philippe Fontaine. "Two step formation of metal aggregates by surface X-ray radiolysis under Langmuir monolayers: 2D followed by 3D growth." Beilstein Journal of Nanotechnology 6 (December 15, 2015): 2406–11. http://dx.doi.org/10.3762/bjnano.6.247.

Full text
Abstract:
In order to form a nanostructured metallic layer below a Langmuir monolayer, radiolysis synthesis was carried out in an adapted geometry that we call surface X-ray radiolysis. In this procedure, an X-ray beam produced by a synchrotron beamline intercepts the surface of an aqueous metal-ion solution covered by a Langmuir monolayer at an angle of incidence below the critical angle for total internal reflection. Underneath the organic layer, the X-ray beam induces the radiolytic synthesis of a nanostructured metal–organic layer whose ultrathin thickness is defined by the vertical X-ray penetratio
APA, Harvard, Vancouver, ISO, and other styles
4

Duński, H., R. Leszczyński, and S. Wysocki. "Benzene gamma-radiolysis on MgO surfaces." Journal of Radioanalytical and Nuclear Chemistry Articles 152, no. 2 (1991): 329–35. http://dx.doi.org/10.1007/bf02104686.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Imanova, Gunel. "Molecular hydrogen production by radiolysis of water on the surface of nano-ZrO2 under the influence of gamma rays." Synthesis and Sintering 2, no. 1 (2022): 9–13. http://dx.doi.org/10.53063/synsint.2022.21105.

Full text
Abstract:
In this research, the radiation-heterogeneous processes of water decomposition on the surface of zirconium dioxide nanoparticles (n-ZrO2) were studied. The kinetics of buildup of molecular hydrogen during the radiolytic processes of water decomposition was also examined. The production of H2 and H2O2 through water radiolysis was investigated to develop a computational model and disclose the kinetic behavior of water radiolysis. The enthalpy of ZrO2 nanoparticles was studied at the temperature range T=1200-2900 K, in which ZrO2 nanoparticles has a two-phase transition. Some of the electrons wer
APA, Harvard, Vancouver, ISO, and other styles
6

Wang, Honglong, Yaping Sun, Jian Chu, Xu Wang та Ming Zhang. "Intensive study on structure transformation of muscovite single crystal under high-dose γ -ray irradiation and mechanism speculation". Royal Society Open Science 6, № 7 (2019): 190594. http://dx.doi.org/10.1098/rsos.190594.

Full text
Abstract:
Intensive study on structure transformation of muscovite single crystal under high-dose γ -ray irradiation is essential for its use in irradiation detection and also beneficial for mechanism cognition on defect formation within a matrix of clay used in the disposal of high-level radioactive waste (HLRW). In this work, muscovite single crystal was irradiated with Co-60 γ ray in air at a dose rate of 54 Gy min −1 with doses of 0–1000 kGy. Then, structure transformation and mechanism were explored by Raman spectrum, Fourier-transform infrared spectrum, X-ray diffraction, thermogravimetric analysi
APA, Harvard, Vancouver, ISO, and other styles
7

Reiff, Sarah C., and Jay A. LaVerne. "Radiolysis of water with aluminum oxide surfaces." Radiation Physics and Chemistry 131 (February 2017): 46–50. http://dx.doi.org/10.1016/j.radphyschem.2016.10.022.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Yamaguchi, Akinobu, Ikuya Sakurai, Ikuo Okada, et al. "Solid/liquid-interface-dependent synthesis and immobilization of copper-based particles nucleated by X-ray-radiolysis-induced photochemical reaction." Journal of Synchrotron Radiation 27, no. 4 (2020): 1008–14. http://dx.doi.org/10.1107/s1600577520005184.

Full text
Abstract:
X-ray-radiolysis-induced photochemical reaction of a liquid solution enables the direct synthesis and immobilization of nano/micro-scale particles and their aggregates onto a desired area. As is well known, the synthesis, growth and aggregation are dependent on the pH, additives and X-ray irradiation conditions. In this study, it was found that the topography and composition of synthesized particles are also dependent on the types of substrate dipped in an aqueous solution of Cu(COOCH3)2 in the X-ray-radiolysis-induced photochemical reaction. These results are attributed to the fact that a sec
APA, Harvard, Vancouver, ISO, and other styles
9

Ubaldini, Alberto, Chiara Telloli, Antonietta Rizzo, et al. "A Study of Accelerated Corrosion of Stainless Steels under Highly Oxidizing Conditions." Coatings 14, no. 4 (2024): 390. http://dx.doi.org/10.3390/coatings14040390.

Full text
Abstract:
The corrosion behavior of certain steels under extremely oxidative conditions, simulating the impact of water radiolysis on stainless steels, has been investigated. Radiolysis generates aggressive species, including radicals, solvated electrons, and hydrogen peroxide, potentially leading to corrosion over time in materials typically considered resistant. To expedite the kinetics of this phenomenon, drastic conditions were employed, involving high concentrations of peroxide in a strongly acidic environment. Under these conditions, corrosion can manifest rapidly. The varied responses of differen
APA, Harvard, Vancouver, ISO, and other styles
10

Carrasco-Flores, Eduardo A., and Jay A. LaVerne. "Surface species produced in the radiolysis of zirconia nanoparticles." Journal of Chemical Physics 127, no. 23 (2007): 234703. http://dx.doi.org/10.1063/1.2806164.

Full text
APA, Harvard, Vancouver, ISO, and other styles
11

Colín-García, M., F. Ortega-Gutiérrez, S. Ramos-Bernal, and A. Negrón-Mendoza. "Heterogeneous radiolysis of HCN adsorbed on a solid surface." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 619, no. 1-3 (2010): 83–85. http://dx.doi.org/10.1016/j.nima.2009.10.074.

Full text
APA, Harvard, Vancouver, ISO, and other styles
12

Муссаева, М. А., та Э. М. Ибрагимова. "Электронная микроскопия и элементный состав приповерхностного слоя кристаллов LiF, облученных электронами". Письма в журнал технической физики 45, № 4 (2019): 34. http://dx.doi.org/10.21883/pjtf.2019.04.47335.17583.

Full text
Abstract:
AbstractElectron microscopy and optical vibrational spectroscopy techniques have been used to study Li nanoparticles formed on the cleaved surface of lithium fluoride (LiF) crystals irradiated by 4-MeV electron beam to a total fluence of 5 × 10^16 cm^–2. It is suggested that ionization accompanying this intense irradiation leads to radiolysis of the target and removal of fluorine from interblock boundaries, where lithium cations are collected and mutually oriented to form microwires. This functional surface may be of practical interest.
APA, Harvard, Vancouver, ISO, and other styles
13

Nermin Mammadova, Ulviyya Guliyeva, Nermin Mammadova, Ulviyya Guliyeva, та Muslim Gurbanov Muslim Gurbanov. "RADIOLYSIS OF INDUSTRIAL WASTEWATER IN THE PRESENCE OF NANO-γ-Al2O3 UNDER THE INFLUENCE OF γ-RADIATION". PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 33, № 10 (2023): 82–89. http://dx.doi.org/10.36962/pahtei33102023-82.

Full text
Abstract:
The kinetics of changes in the concentration of toxic components under γ-irradiation of industrial wastewater from an oil refinery in the presence of nano-γ-Al2O3 has been studied. The concentration of phenols, surfactants, COD and the total content of oil products at various adsorbed dose were monitored. UV - spectrometric studies of irradiated samples in the range of 200-400 nm shows, that increasing the absorbed dose leads to a decrease in UV - absorption (Abs) in the region of 200-210 nm. The mechanism of the observed regularities is discussed, including radiation-chemical processes occurr
APA, Harvard, Vancouver, ISO, and other styles
14

Jin, Binbin, Ding Zhao, Fei Liang, et al. "Electron-Beam Irradiation Induced Regulation of Surface Defects in Lead Halide Perovskite Thin Films." Research 2021 (June 4, 2021): 1–11. http://dx.doi.org/10.34133/2021/9797058.

Full text
Abstract:
Organic-inorganic hybrid perovskites (OIHPs) have been intensively studied due to their fascinating optoelectronic performance. Electron microscopy and related characterization techniques are powerful to figure out their structure-property relationships at the nanoscale. However, electron beam irradiation usually causes damage to these beam-sensitive materials and thus deteriorates the associated devices. Taking a widely used CH3NH3PbI3 film as an example, here, we carry out a comprehensive study on how electron beam irradiation affects its properties. Interestingly, our results reveal that ph
APA, Harvard, Vancouver, ISO, and other styles
15

Pastina, Barbara, and Jay A. LaVerne. "An Alternative Conceptual Model for the Spent Nuclear Fuel–Water Interaction in Deep Geologic Disposal Conditions." Applied Sciences 11, no. 18 (2021): 8566. http://dx.doi.org/10.3390/app11188566.

Full text
Abstract:
For the long-term safety assessment of direct disposal of spent nuclear fuel in deep geologic repositories, knowledge on the radionuclide release rate from the UO2 matrix is essential. This work provides a conceptual model to explain the results of leaching experiments involving used nuclear fuel or simulant materials in confirmed reducing conditions. Key elements of this model are: direct effect of radiation from radiolytic species (including defects and excited states) in the solid and in the first water layers in contact with its surface; and excess H2 may be produced due to processes occur
APA, Harvard, Vancouver, ISO, and other styles
16

Guipponi, C., N. Millard-Pinard, N. Bérerd, et al. "Modifications of oxidized Zircaloy-4 surface in contact with radiolysed wet air." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 272 (February 2012): 222–26. http://dx.doi.org/10.1016/j.nimb.2011.01.070.

Full text
APA, Harvard, Vancouver, ISO, and other styles
17

Trumbo, Samantha K., Michael E. Brown, and Kevin P. Hand. "Sodium chloride on the surface of Europa." Science Advances 5, no. 6 (2019): eaaw7123. http://dx.doi.org/10.1126/sciadv.aaw7123.

Full text
Abstract:
The potential habitability of Europa’s subsurface ocean depends on its chemical composition, which may be reflected in that of Europa’s geologically young surface. Investigations using Galileo Near-Infrared Mapping Spectrometer data led to the prevailing view that Europa’s endogenous units are rich in sulfate salts. However, recent ground-based infrared observations have suggested that, while regions experiencing sulfur radiolysis may contain sulfate salts, Europa’s more pristine endogenous material may reflect a chloride-dominated composition. Chlorides have no identifying spectral features a
APA, Harvard, Vancouver, ISO, and other styles
18

Prabhala, Anupama. "Sustainable Development in Dye Waste Managemen : A Comparative Study on the Effectiveness of Adsorption and γ-Radiolysis". Journal of ISAS 2, № 4 (2024): 1–22. http://dx.doi.org/10.59143/isas.jisas.2.4.kzbg4323.

Full text
Abstract:
Pyrromethene 567 (PM567), a BODIPY class of dye; is widely used in medicine, chemistry, material science, and high-power dye lasers. During its use, PM567 dye waste is generated in ethanol solvent which needs to be treated before its disposal. In our study, we -radiolysis, an advanced oxidation process (AOP), and adsorption, a simple and easy option. Interestingly, -radiolysis were not efficient for dye effluent treatment in organic solvents. This inefficiency was attributed to competing reactions leading to the scavenging of dye-degrading radicals. -dose rate (3.5 kGy) feasible in the system;
APA, Harvard, Vancouver, ISO, and other styles
19

Riba, O., E. Coene, O. Silva, and L. Duro. "Spent fuel alteration model integrating processes of different time-scales." MRS Advances 5, no. 3-4 (2020): 159–66. http://dx.doi.org/10.1557/adv.2020.51.

Full text
Abstract:
ABSTRACTA 1D reactive transport model has been implemented in iCP (interface COMSOL Multiphysics and PhreeqC) to assess the corrosion of Spent Fuel (SF), considered as homogeneous UO2(am,hyd) doped with Pd. The model couples: i) generation of water radiolysis species by alpha and beta radiation considering the complete water radiolysis system with the kinetic reactions involving: H+, OH-, O2, H2O2, H2, HO2-, HO2·, O·, O-, O2-, H·, ·OH and e- ii) processes occurring in the spent fuel surface: oxidative dissolution reactions of UO2(am,hyd) and subsequent reduction of oxidized fuel, considering H
APA, Harvard, Vancouver, ISO, and other styles
20

Fraxedas, Jordi, Kuan Zhang, Borja Sepúlveda, et al. "Water-mediated photo-induced reduction of platinum films." Journal of Synchrotron Radiation 26, no. 4 (2019): 1288–93. http://dx.doi.org/10.1107/s1600577519004685.

Full text
Abstract:
Platinum thin films activated ex situ by oxygen plasma become reduced by the combined effect of an intense soft X-ray photon beam and condensed water. The evolution of the electronic structure of the surface has been characterized by near-ambient-pressure photoemission and mimics the inverse two-step sequence observed in the electro-oxidation of platinum, i.e. the surface-oxidized platinum species are reduced first and then the adsorbed species desorb in a second step leading to a surface dominated by metallic platinum. The comparison with measurements performed under high-vacuum conditions su
APA, Harvard, Vancouver, ISO, and other styles
21

Moreau, S., M. Fenart, and J. P. Renault. "Radiolysis of water in the vicinity of passive surfaces." Corrosion Science 83 (June 2014): 255–60. http://dx.doi.org/10.1016/j.corsci.2014.02.024.

Full text
APA, Harvard, Vancouver, ISO, and other styles
22

Fontaine, P., M. C. Fauré, S. Remita, F. Muller, and M. Goldmann. "X-ray surface radiolysis: Kinetics of the metal-organic interface formation." European Physical Journal Special Topics 167, no. 1 (2009): 157–62. http://dx.doi.org/10.1140/epjst/e2009-00952-5.

Full text
APA, Harvard, Vancouver, ISO, and other styles
23

Kimura, Atsushi, Tadashi Arai, Miho Ueno, et al. "Synthesis of Small Peptide Nanogels Using Radiation Crosslinking as a Platform for Nano-Imaging Agents for Pancreatic Cancer Diagnosis." Pharmaceutics 14, no. 11 (2022): 2400. http://dx.doi.org/10.3390/pharmaceutics14112400.

Full text
Abstract:
Nanoparticle-based drug delivery systems (DDS) have been developed as effective diagnostic and low-dose imaging agents. Nano-imaging agents with particles greater than 100 nm are difficult to accumulate in pancreatic cancer cells, making high-intensity imaging of pancreatic cancer challenging. Peptides composed of histidine and glycine were designed and synthesized. Additionally, aqueous peptide solutions were irradiated with γ-rays to produce peptide nanogels with an average size of 25–53 nm. The mechanisms underlying radiation-mediated peptide crosslinking were investigated by simulating pep
APA, Harvard, Vancouver, ISO, and other styles
24

Borisenkova, Alina A., Dmitriy V. Baykov, Anna V. Titova, et al. "Degradation of Folic Acid in the Composition of a Conjugate with Polyvinylpyrrolidone and Fullerene C60 Under UV and E-Beam Irradiation." Molecules 30, no. 13 (2025): 2718. https://doi.org/10.3390/molecules30132718.

Full text
Abstract:
Folic acid (FA) is used as a targeting ligand for targeted drug delivery to tumor cells, some types of which overexpress folate receptors on their surface. However, while the preparation of conjugates containing FA may comprise a multi-step process, FA presents low photostability under UV irradiation. In addition, FA undergoes radiolysis under the action of ionizing radiation, which is utilized for drug sterilization. In this study, we investigate the stability of FA in a conjugate (FA-PVP-C60) with fullerene C60 and polyvinylpyrrolidone under the action of UV (205–400 nm) and electron irradia
APA, Harvard, Vancouver, ISO, and other styles
25

Garibov, Adil, Yadigar Jafarov, Gunel Imanova, Teymur Agayev, Sevinj Bashirova, and Anar Aliyev. "Mechanism of Hydrogen Production in The Processes of Radiation Heterogeneous Splitting of Water with the Presence of Nano-Metal and Nano-MeO." East European Journal of Physics, no. 1 (March 5, 2024): 460–75. http://dx.doi.org/10.26565/2312-4334-2024-1-51.

Full text
Abstract:
In the study, the optimal values of the ratio of the distance between particles to the particle size in the radiation-heterogeneous radiolysis of water in nano-Me and nano-MeO systems were determined. In those systems, the effect of water density and system temperature on the radiation-chemical release of molecular hydrogen obtained from thermal and radiation-thermal decomposition of water was considered. The article also determined the effect of particle sizes and the type of sample taken on the radiation chemical yield of molecular hydrogen. In the presented article, the change of molecular
APA, Harvard, Vancouver, ISO, and other styles
26

Deronzier, Jean-François, and Hélène Giouse. "Vaux-en-Bugey (Ain, France): the first gas field produced in France, providing learning lessons for natural hydrogen in the sub-surface?" BSGF - Earth Sciences Bulletin 191 (2020): 7. http://dx.doi.org/10.1051/bsgf/2020005.

Full text
Abstract:
The former Vaux-en-Bugey field, first French methane production from early 20th century, is revisited as a case study to address the present generation and accumulation theories for gases like hydrogen and helium. The volume of the initial gas in place is estimated to be 22 million m3. Based on a composition of 5% of hydrogen and 0.096% of helium, the volumes of these gases in the field were respectively around 1.1 million m3 for hydrogen and 24 000 m3 for helium. The different hypotheses of hydrogen sources are reviewed: serpentinization, hydro-oxidation of siderite, water radiolysis, bio-fer
APA, Harvard, Vancouver, ISO, and other styles
27

Savchenko, Igor Dmitrovich, Anatoly Mikhailovich Kulabukhov, Viktor Alexandrovich Masalskiy, and Aramais Viktorovich Tishchenko. "THE MODEL OF A RADIO LINK "SPACE-TO-EARTH" WITH MORE INFORMATIVE FOR A LOW ORBIT SATELLITE." Journal of Rocket-Space Technology 27, no. 4 (2019): 9–12. http://dx.doi.org/10.15421/451902.

Full text
Abstract:
A proposed the model of a radioline “space-to-Earth” with more informative for a low orbit university nanosatellite. The radioline is modeled on a antenna of the high-frequency S-band. At present time, the tasks of creating radiolines “space-to-Earth” in the conditions of limited energy of satellites with more informativeness (for telemetry radiolines and information radiolines) constantly require increasing their capabilities. Various options are being developed to implement such a solution, ranging from increasing the data transmission time due to repeaters and developing new encoding method
APA, Harvard, Vancouver, ISO, and other styles
28

Cassidy, T., P. Coll, F. Raulin, et al. "Radiolysis and Photolysis of Icy Satellite Surfaces: Experiments and Theory." Space Science Reviews 153, no. 1-4 (2010): 299–315. http://dx.doi.org/10.1007/s11214-009-9625-3.

Full text
APA, Harvard, Vancouver, ISO, and other styles
29

Ismailov, Abubakar, and Arsen Muslimov. "Etching of ZnO films by a focused flow electrons with medium energies (up to 70 keV)." Applied Physics, no. 5 (November 19, 2021): 75–80. http://dx.doi.org/10.51368/1996-0948-2021-5-75-80.

Full text
Abstract:
Consideration is given to the results of the study of etching processes ( 200 nm/min) of a ZnO film by a focused electron beam with medium energy (70 keV) under vacuum conditions of
 910-5 Pa. It was shown that the construction of a model of the ZnO film etching during electron bombardment, taking into account the likely thermal desorption and electron-stimulated desorption, is not confirmed by calculations. A possible etching mechanism based on the radiolysis caused by Auger decay in near-surface layers of ZnO films is proposed.
APA, Harvard, Vancouver, ISO, and other styles
30

Paulive, Alec, Christopher N. Shingledecker, and Eric Herbst. "The role of radiolysis in the modelling of C2H4O2 isomers and dimethyl ether in cold dark clouds." Monthly Notices of the Royal Astronomical Society 500, no. 3 (2020): 3414–24. http://dx.doi.org/10.1093/mnras/staa3458.

Full text
Abstract:
ABSTRACT Complex organic molecules (COMs) have been detected in a variety of interstellar sources. The abundances of these COMs in warming sources can be explained by syntheses linked to increasing temperatures and densities, allowing quasi-thermal chemical reactions to occur rapidly enough to produce observable amounts of COMs, both in the gas phase, and upon dust grain ice mantles. The COMs produced on grains then become gaseous as the temperature increases sufficiently to allow their thermal desorption. The recent observation of gaseous COMs in cold sources has not been fully explained by t
APA, Harvard, Vancouver, ISO, and other styles
31

Sárkány, A., P. Hargittai, and O. Geszti. "Thermal and radiolysis assisted formation of Au–Pd heteroaggregates." Colloids and Surfaces A: Physicochemical and Engineering Aspects 322, no. 1-3 (2008): 124–29. http://dx.doi.org/10.1016/j.colsurfa.2008.02.045.

Full text
APA, Harvard, Vancouver, ISO, and other styles
32

Gadzhieva, N. N., É. A. Samedov, and Kh I. Abdullaeva. "IR spectroscopic study of methane adsorption and radiolysis on a BeO surface." Journal of Applied Spectroscopy 62, no. 6 (1995): 1019–22. http://dx.doi.org/10.1007/bf02606751.

Full text
APA, Harvard, Vancouver, ISO, and other styles
33

Bruk, M. A., G. G. Isayeva, Ye Ya Yunitskaya, S. A. Pavlov, and A. D. Abkin. "Features of the radiolysis of polymers on the surface of solid surfaces as exemplified by polymethyl methacrylate and polymethyl acrylate on aerosil." Polymer Science U.S.S.R. 27, no. 7 (1985): 1703–9. http://dx.doi.org/10.1016/0032-3950(85)90367-3.

Full text
APA, Harvard, Vancouver, ISO, and other styles
34

Robert, James J. "Atmospheric Electricity: Sources, Dynamics, and Impacts on the Environment." Mediterranean Journal of Basic and Applied Sciences (MJBAS) 4, no. 4 (2020): 210–13. https://doi.org/10.46382/MJBAS.2020.4410.

Full text
Abstract:
This study is a review of the sources, dynamics and impacts of atmospheric electricity on the environment. Atmosphere ions are responsible for a weak flow of atmospheric electricity. These atmospheric ions are generated from different sources such as cosmic rays, radioactive gases, air radiolysis, lightning, waterfall, corona discharge, combustion and radioactive effluent from nuclear tests. These ions have different mobility depending on their sizes and the kind of charges they carry. The potential gradient between the atmospheric air and the earth's surface causes ions to move from the a
APA, Harvard, Vancouver, ISO, and other styles
35

Zaharescu, Traian, Radu Mirea, Tunde Borbath, and Istvan Borbath. "Stability Qualification of Resins/Metallic Oxide Composites for Surface Oxidative Protection." Polymers 16, no. 3 (2024): 333. http://dx.doi.org/10.3390/polym16030333.

Full text
Abstract:
The accelerated degradation of alkyd resins via γ-irradiation is investigated using non-isothermal chemiluminescence. The stability qualification is possible through the comparison of emission intensities on a temperature range starting from 100 °C up to 250 °C under accelerated degradation caused by radiolysis scission. The measurements achieved in the samples of cured state resin modified by various inorganic oxides reveal the influence of metallic traces on the aging amplitude, when the thermal resistance increases as the irradiation dose is augmented. Even though the unirradiated samples p
APA, Harvard, Vancouver, ISO, and other styles
36

Nordheim, T. A., L. H. Regoli, C. D. K. Harris, C. Paranicas, K. P. Hand, and X. Jia. "Magnetospheric Ion Bombardment of Europa’s Surface." Planetary Science Journal 3, no. 1 (2022): 5. http://dx.doi.org/10.3847/psj/ac382a.

Full text
Abstract:
Abstract Jupiter’s moon Europa is exposed to constant bombardment by magnetospheric charged particles, which are expected to be a major source of physical and chemical surface modification. Here we have investigated the flux of magnetospheric ions at Europa’s surface by carrying out single particle tracing within realistic electromagnetic fields from multifluid magnetohydrodynamic simulations of the moon’s interaction with Jupiter’s magnetosphere. We find that magnetic field line draping and pileup leads to shielding and drastically reduced flux at low latitudes across Europa’s trailing (upstr
APA, Harvard, Vancouver, ISO, and other styles
37

Obvintsev, A. Yu, S. A. Serov, S. A. Khatipov, and N. V. Sadovskaya. "Quantitative analysis of the dispersion interaction of liquids with the surface of gamma-irradiated PTFE." Poverhnostʹ. Rentgenovskie, sinhrotronnye i nejtronnye issledovaniâ, no. 7 (November 27, 2024): 28–38. http://dx.doi.org/10.31857/s1028096024070044.

Full text
Abstract:
Hamaker constants were calculated for the PTFE/PTFE, PTFE/tetradecane and PTFE/water systems (PTFE — polytetrafluoroethylene) using various dielectric models. It is shown that the choice of dielectric model significantly affects the absolute values of the Hamaker constants and has virtually no effect on their relative changes depending on the density and dielectric increment of PTFE. The total calculated changes in the adhesion work due to van der Waals interactions, taking into account changes in density and dielectric increment in gamma-irradiated PTFE, do not exceed 11% for all dielectric m
APA, Harvard, Vancouver, ISO, and other styles
38

Yuan, Longfei, Taixin Zhou, Fengmin Jin, et al. "Transmission Electron Microscopy Peeled Surface Defect of Perovskite Quantum Dots to Improve Crystal Structure." Materials 16, no. 17 (2023): 6010. http://dx.doi.org/10.3390/ma16176010.

Full text
Abstract:
Transmission electron microscopy (TEM) is an excellent characterization method to analyze the size, morphology, crystalline state, and microstructure of perovskite quantum dots (PeQDs). Nevertheless, the electron beam of TEM as an illumination source provides high energy, which causes morphological variation (fusion and melting) and recession of the crystalline structure in low radiolysis tolerance specimens. Hence, a novel and facile strategy is proposed: electron beam peel [PbBr6]4− octahedron defects from the surface of QDs to optimize the crystal structure. TEM and high-angle annular dark-
APA, Harvard, Vancouver, ISO, and other styles
39

Adhikari, S., Ravi Joshi, and C. Gopinathan. "Hydrated Electrons in a Quaternary Microemulsion System: A Pulse Radiolysis Study." Journal of Colloid and Interface Science 191, no. 1 (1997): 268–71. http://dx.doi.org/10.1006/jcis.1997.4951.

Full text
APA, Harvard, Vancouver, ISO, and other styles
40

Venault, Laurent, Arnaud Deroche, Jérémy Gaillard та ін. "Dihydrogen H2 steady state in α-radiolysis of water adsorbed on PuO2 surface". Radiation Physics and Chemistry 162 (вересень 2019): 136–45. http://dx.doi.org/10.1016/j.radphyschem.2018.09.022.

Full text
APA, Harvard, Vancouver, ISO, and other styles
41

Wang, Zheming, Eric D. Walter, Michel Sassi, et al. "The role of surface hydroxyls on the radiolysis of gibbsite and boehmite nanoplatelets." Journal of Hazardous Materials 398 (November 2020): 122853. http://dx.doi.org/10.1016/j.jhazmat.2020.122853.

Full text
APA, Harvard, Vancouver, ISO, and other styles
42

Wilson, Eric H., Sushil K. Atreya, Ralf I. Kaiser, and Paul R. Mahaffy. "Perchlorate formation on Mars through surface radiolysis-initiated atmospheric chemistry: A potential mechanism." Journal of Geophysical Research: Planets 121, no. 8 (2016): 1472–87. http://dx.doi.org/10.1002/2016je005078.

Full text
APA, Harvard, Vancouver, ISO, and other styles
43

Liang, Ying, Bin Fang, Fang Fang Lin, and Xu Min Zhu. "Gamma Irradiation Assisted Synthesis of Ag/rGO Composites and their Surface Properties." Materials Science Forum 898 (June 2017): 2224–30. http://dx.doi.org/10.4028/www.scientific.net/msf.898.2224.

Full text
Abstract:
Ag/rGO composites were synthesized under gamma irradiation using silver nitrate and graphene oxide (GO) as the starting materials. Comparing with traditional methods, gamma irradiation is a simple and “green” technique. In the irradiation system, silver ions were reduced to silver nanoparticles (AgNPs) by the electrons generated from the radiolysis of solvent. GO nanosheets provided reactive sites for the formation of AgNPs and acted as a colloidal surfactant preventing the aggregation of AgNPs. Meanwhile, GO were partially reduced to reduced graphene oxide (rGO). X-ray diffraction, X-ray phot
APA, Harvard, Vancouver, ISO, and other styles
44

Gorman, Anthony A., I. Hamblett, and E. J. Land. "A pulse radiolysis based singlet oxygen luminescence facility." Journal of the American Chemical Society 111, no. 5 (1989): 1876–77. http://dx.doi.org/10.1021/ja00187a051.

Full text
APA, Harvard, Vancouver, ISO, and other styles
45

Ciraj-Bjelac, O. F., M. S. Kovacevic, D. D. Kosutic, and S. S. Stankovic. "Radijaciono opterecenje pacijenata u konvencionalnoj dijagnostickoj radiologiji - analiza radioloske prakse u Srbiji." Acta chirurgica Iugoslavica 54, no. 3 (2007): 93–98. http://dx.doi.org/10.2298/aci0703093c.

Full text
Abstract:
X-rays are by far most significant contributor to total population dose from man-made sources of radiation. Diagnostic reference levels provide frameworks to reduce variability. The aim of this study is to establish, for the first time, a baseline for national diagnostic reference levels in Serbia for the most common X-ray examination types. Dose estimates are based on measurements of kerma-area product and Entrance surface air kerma for at least ten patients for each examination type, in each of 16 randomly selected hospitals in Serbia. Mean, median and third quartile values of patient doses
APA, Harvard, Vancouver, ISO, and other styles
46

Demidov, S. V., T. N. Rudneva, U. Yu Allayarova, et al. "Fourier Transform IR Spectroscopic Study of the Influence of a High Dose of Gamma Radiation on the Composition of Functional Groups in Potato Tubers." Химия высоких энергий 57, no. 4 (2023): 319–26. http://dx.doi.org/10.31857/s0023119323040083.

Full text
Abstract:
This article considers physicochemical changes in the composition of potato tubers gamma-irradiated to doses of 5000 kGy, as studied by Fourier transform IR spectroscopy. Functional groups in the powders of skin, pulp, and juice of irradiated tubers have been examined. The carbonization and radiationinduced oxidation of the molecules of tuber constituents have been established. At doses above 1000 kGy, the hardness of tubers was completely lost, the integrity of the skin surface was violated, and an intense release ofjuice began. It has been found that γ-radiolysis at a dose to 5000 kGy does n
APA, Harvard, Vancouver, ISO, and other styles
47

Cachoir, C., Th Mennecart, and K. Lemmens. "Effect of cement water on UO2 solubility." MRS Proceedings 1665 (2014): 267–73. http://dx.doi.org/10.1557/opl.2014.654.

Full text
Abstract:
ABSTRACTTo assess the stability of spent fuel in the highly alkaline chemical environment of the Belgian Supercontainer design, static leach experiments were performed with depleted UO2 and 238Pu-doped UO2 at different SA/V ratios for 1.5 years in cement waters (11.7< pH < 13.5) at ambient temperature and under argon atmosphere. The influence of the calcium concentration on the uranium release was also investigated. While the ultrafiltered U(IV) concentration was 10-9-10-8 mol.L-1 and independent of the pH, the U(VI) release from the UO2 surface was enhanced by the OH- concentration, lea
APA, Harvard, Vancouver, ISO, and other styles
48

Le Caër, Sophie. "Water Radiolysis: Influence of Oxide Surfaces on H2 Production under Ionizing Radiation." Water 3, no. 1 (2011): 235–53. http://dx.doi.org/10.3390/w3010235.

Full text
APA, Harvard, Vancouver, ISO, and other styles
49

Zheng, Ming, Gang Xu, Jingcheng Pei, et al. "EB-radiolysis of carbamazepine: in pure-water with different ions and in surface water." Journal of Radioanalytical and Nuclear Chemistry 302, no. 1 (2014): 139–47. http://dx.doi.org/10.1007/s10967-014-3322-8.

Full text
APA, Harvard, Vancouver, ISO, and other styles
50

Maleknia, Simin D., Janna G. Kiselar, and Kevin M. Downard. "Hydroxyl radical probe of the surface of lysozyme by synchrotron radiolysis and mass spectrometry." Rapid Communications in Mass Spectrometry 16, no. 1 (2001): 53–61. http://dx.doi.org/10.1002/rcm.543.

Full text
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!