Relevant bibliographies by topics / Core Electron-Root

Academic literature on the topic 'Core Electron-Root'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 January 2023

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Journal articles on the topic "Core Electron-Root"

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Shimozuma, T., M. Yokoyama, K. Ida, Y. Takeiri, S. Kubo, S. Murakami, A. Wakasa, et al. "Improvement of Plasma Core Confinement Via Electron-Root Realization by Strongly Focused ECRH in LHD: Core Electron-Root Confinement." Fusion Science and Technology 58, no. 1 (August 2010): 38–45. http://dx.doi.org/10.13182/fst10-a10791.

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Yokoyama, M., H. Maaßberg, C. D. Beidler, V. Tribaldos, K. Ida, T. Estrada, F. Castejon, et al. "Core electron-root confinement (CERC) in helical plasmas." Nuclear Fusion 47, no. 9 (August 29, 2007): 1213–19. http://dx.doi.org/10.1088/0029-5515/47/9/018.

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Yokoyama, M., H. Maassberg, C. D. Beidler, V. Tribaldos, K. Ida, F. Castejón, T. Estrada, et al. "Common Features of Core Electron-Root Confinement in Helical Devices." Fusion Science and Technology 50, no. 3 (October 2006): 327–42. http://dx.doi.org/10.13182/fst06-a1254.

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MATSUOKA, Seikichi, Shinsuke SATAKE, Masayuki YOKOYAMA, and Arimitsu WAKASA. "Radial Electric Field Formation Including Electron Radial Drift for a Core Electron-Root Confinement (CERC) Plasma in LHD." Plasma and Fusion Research 6 (2011): 1203016. http://dx.doi.org/10.1585/pfr.6.1203016.

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Ridha, A. R. "Elastic electron scattering from 17Ne and 27P exotic nuclei." Iraqi Journal of Physics (IJP) 13, no. 28 (February 4, 2019): 68–81. http://dx.doi.org/10.30723/ijp.v13i28.244.

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The ground state proton, neutron and matter densities andcorresponding root mean square radii of unstable proton-rich 17Neand 27P exotic nuclei are studied via the framework of the twofrequencyshell model. The single particle harmonic oscillator wavefunctions are used in this model with two different oscillator sizeparameters core b and halo , b the former for the core (inner) orbitswhereas the latter for the halo (outer) orbits. Shell model calculationsfor core nucleons and for outer (halo) nucleons in exotic nuclei areperformed individually via the computer code OXBASH. Halostructure of 17Ne and 27P nuclei is confirmed. It is found that thestructure of 17Ne and 27P nuclei have 25 / 2 (1d ) and 1/ 2 2s -dominantconfigurations, respectively. Elastic electron scattering form factorsof these exotic nuclei are also studied using the plane wave Bornapproximation. Effects of the long tail behavior of the proton densitydistribution on the proton form factors of 17Ne and 27P areanalyzed. It is found that the difference between the proton formfactor of 17Ne and that of stable 20Ne (or of 27P and that of stable31P) comes from the difference in the proton density distribution ofthe last two protons (or of the last proton) in the two nuclei. It isconcluded that elastic electron scattering will be an efficient tool (inthe near future) to examine proton-halo phenomena of proton-richnuclei.
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TAKEIRI, Yasuhiko, Masayuki YOKOYAMA, Kenichi NAGAOKA, Katsumi IDA, Shin KUBO, Takashi SHIMOZUMA, Hisamichi FUNABA, et al. "Improvement of Ion Confinement in Core Electron-Root Confinement (CERC) Plasmas in Large Helical Device." Plasma and Fusion Research 3 (2008): S1031. http://dx.doi.org/10.1585/pfr.3.s1031.

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Chen, Huan, Xinyuan Zhao, Yu Qiu, Dengyou Xu, Li Cui, and Buling Wu. "The Tubular Penetration Depth and Adaption of Four Sealers: A Scanning Electron Microscopic Study." BioMed Research International 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/2946524.

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Background. The tubular penetration and adaptation of the sealer are important factors for successful root canal filling. The aim of this study was to evaluate the tubular penetration depth of four different sealers in the coronal, middle, and apical third of root canals as well as the adaptation of these sealers to root canal walls. Materials and Methods. 50 single-rooted teeth were prepared in this study. Forty-eight of them were filled with different sealers (Cortisomol, iRoot SP, AH-Plus, and RealSeal SE) and respective core filling materials. Then the specimens were sectioned and scanning electron microscopy was employed to assess the tubular penetration and adaptation of the sealers. Results. Our results demonstrated that the maximum penetration was exhibited by RealSeal SE, followed by AH-Plus, iRoot SP, and Cortisomol. As regards the adaptation property to root canal walls, AH-Plus has best adaptation capacity followed by iRoot SP, RealSeal SE, and Cortisomol. Conclusion. The tubular penetration and adaptation vary with the different sealers investigated. RealSeal SE showed the most optimal tubular penetration, whereas AH-Plus presented the best adaptation to the root canal walls.
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Dlshad, Hawar Muhamad, Aziz Hama-Raheem Fatah, and Adil Mohammed Hussain. "The Elastic and Inelastic Electron-Nucleus Scattering Form Factors for Be9 Nucleus." UHD Journal of Science and Technology 4, no. 2 (August 17, 2020): 56. http://dx.doi.org/10.21928/uhdjst.v4n2y2020.pp56-62.

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The computations of the elastic and inelastic Coulomb form factors for the electron-nucleus scattering of Beryllium nucleus Be9 have performed with Core Polarization (CP) effects including the realistic Michigan sum of Three Range Yukawa (M3Y) Interaction, and the other residual interaction which is Modified Surface Delta Interaction (MSDI). In addition to mean square root charge density and charge radii for the ground state. The perturbation theory was adopted to compute the Core Polarization by using the Harmonic Oscillators (HO) potential to calculate single-particle radial wave functions. In the comparison between the theoretical calculations of Coulomb form factors by (MSDI) interaction, realistic (M3Y) interaction, and the experimental results that measured before, it noticed that the Coulomb form factors for the (M3Y) interaction gave a reasonable depiction of the measured data.
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Jacobs, Mark J., William M. Bugbee, and David A. Gabrielson. "Enumeration, location, and characterization of endophytic bacteria within sugar beet roots." Canadian Journal of Botany 63, no. 7 (July 1, 1985): 1262–65. http://dx.doi.org/10.1139/b85-174.

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An increased bacterial population was found in the secondary root emergence zone tissue of sugar beet roots as compared with core and peripheral tissue of the same beet. The most common bacteria in sugar beet tissue were isolated, characterized, and used to immunize New Zealand white rabbits for antibody production. The bacteria-specific immunoglobulins from the rabbit sera were incubated with sugar beet tissue. These antibody-treated tissues were then incubated with ferritin-labeled goat antirabbit immunoglobulin to assist in identifying immunoglobulin-bound bacteria within tissue samples. This procedure was useful in distinguishing bacteria from artifacts and normal cell inclusions. The location of these antibody-bound bacteria within sugar beet root tissue was identified by using scanning electron microscopy.
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Teodorovic, Nevenka, and Ivan Matovic. "Scanning electron microscopic analysis of the sealing ability of GuttaFlow and Acroseal endodontic sealers." Serbian Dental Journal 55, no. 1 (2008): 15–22. http://dx.doi.org/10.2298/sgs0801015t.

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Introduction: The sealing ability of endodontic sealers to dentinal surfaces of root canals is an important feature of these materials. Root canal sealers are necessary to seal the spaces between the dentinal walls and the obturating core material. Aim: The aim of this study was to examine the sealing ability of two endodontic sealers to dentin walls and guttapercha cones using scanning electron microscopic analysis-SEM. Materials and Methods: 24 recently extracted human single-rooted teeth were instrumented and allocated to two groups; root canals were filled with either GuttaFlow (Roeko,Germany), a new endo-sealer (group 1), or Acroseal (Septodont, France), a calcium hydroxide based sealer, (group 2). The sealing ability and adhesion properties of the sealer-dentin interface were studied using SEM. Results: The specimens filled with GuttaFlow showed smooth contact lines at the sealer-dentin interface, and this material also showed strong bonding and good adaptation to guttapercha cones. Acroseal showed good adhesion to dentin walls, and bonding surface was represented as a slightly curved contact line, with some gaps on material-dentin walls and guttapercha cones interface. Conclusion: New GuttaFlow material possesses strong sealing ability and excellent adhesion to dentin walls and guttapercha cones. Acroseal showed good bonding to dentin and slightly weaker adhesion to guttapercha cones, in comparison to GuttaFlow.
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Dissertations / Theses on the topic "Core Electron-Root"

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Kumar, Santhosh Tekke Athayil, and santhosh kumar@anu edu au. "Experimental Studies of Magnetic Islands, Configurations and Plasma Confinement in the H-1NF Heliac." The Australian National University. Research School of Physical Sciences and Engineering, 2008. http://thesis.anu.edu.au./public/adt-ANU20080611.171513.

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Rational magnetic flux surfaces in fusion (toroidal plasma confinement) devices can break the magnetic field lines and reconnect them in the form of magnetic islands. Formation of these magnetic islands can have a serious impact on the plasma confinement properties of the device. Islands can in general degrade the confinement by mixing up different regions of the plasma. However there has been experimental evidence of confinement improvement by island induced transport barriers, under certain conditions. Even though there are a large number of theoretical and experimental works on magnetic islands to date, there is clearly a paucity of convincing experimental understanding on the nature of behaviour of islands in plasma. This thesis reports detailed experimental studies conducted on the H-1NF heliac stellarator, to gain an in-depth understanding of magnetic islands and their influence in plasma confinement.¶ Work reported in this thesis can be mainly divided into three parts: (a) high resolution imaging of vacuum magnetic islands and flux surfaces of H-1NF, (b) accurate computer modeling of H-1NF magnetic geometry and (c) detailed experiments on magnetic islands in plasma configurations.¶ Electron-beam wire-tomography in the H-1NF has been used for the high resolution mapping of vacuum magnetic flux surfaces and islands. Point-to-point comparison of the mapping results with computer tracing, in conjunction with an image warping technique, has enabled systematic exploration of magnetic islands and surfaces of interest. A fast mapping technique has been developed, which significantly reduced the mapping time and made this technique suitable for mapping at higher magnetic fields.¶ Flux surface mapping has been carried out at various magnetic configurations and field strengths. The extreme accuracy of this technique has been exploited to understand the nature of error fields, by point-by-point matching with computer tracing results. This has helped in developing a best-fit computer model for H-1NF magnetic configurations, which can predict rotational transform correct to three decimal places. Results from plasma experiments on magnetic configuration studies are best explained by the new model.¶ Experiments with low order magnetic islands in plasma configurations yielded some new results. It has been observed that the low order magnetic islands (m = 2) near the core of the plasma serve as pockets of improved confinement region under favourable conditions. This results in significant profile modifications including enhancement of the radial electric field near the core to a large positive value. The characteristics of islands are found to be dependent on the plasma collisionality and the island width.¶ Experiments with a magnetic configuration which exhibits no vacuum islands, but the core rotational transform very close to low order rational value, show a spontaneous transition of the radial electric field near the core to a large positive value (nearly 5 kV/m), with a strong electric field shear (nearly 700 kV/m2) and localised improvement in confinement, during the discharge. Evidence indicates that the transition is driven by the excitation of low order magnetic islands near the axis during the plasma discharge, due to the modification of rotational transform profile by toroidal plasma currents. The situation is similar to the Core Electron-Root Confinement (CERC) observed during high temperature ECH plasma discharges on other helical devices. This result provides an experimental evidence for the hypothesis that the threshold conditions for observing CERC can be reduced by exciting magnetic islands near the core of the plasma.
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Merighi, Adalberto. "Light and electron microscopical studies on the distribution of peptides and 'classical' neurotransmitters in dorsal root ganglion cells and in the dorsal horn of the spinal cord." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46446.

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Gerke, Michelle Barbara. "Characterisation of the expression of cell-surface carbohydrates by primary sensory neurones and their applications in the study of pain." Thesis, Queensland University of Technology, 2000.

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4

Kumar, Santhosh Tekke Athayil. "Experimental Studies of Magnetic Islands, Configurations and Plasma Confinement in the H-1NF Heliac." Phd thesis, 2007. http://hdl.handle.net/1885/49287.

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Rational magnetic flux surfaces in fusion (toroidal plasma confinement) devices can break the magnetic field lines and reconnect them in the form of magnetic islands. Formation of these magnetic islands can have a serious impact on the plasma confinement properties of the device. Islands can in general degrade the confinement by mixing up different regions of the plasma. However there has been experimental evidence of confinement improvement by island induced transport barriers, under certain conditions. Even though there are a large number of theoretical and experimental works on magnetic islands to date, there is clearly a paucity of convincing experimental understanding on the nature of behaviour of islands in plasma. This thesis reports detailed experimental studies conducted on the H-1NF heliac stellarator, to gain an in-depth understanding of magnetic islands and their influence in plasma confinement. ¶ ...
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Book chapters on the topic "Core Electron-Root"

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Light, Alan R., and Anahid M. Kavookjian. "Electron Microscopic Localization of Peptide- like Immunoreactivity in Labelled Dorsal Root Terminals in the Spinal Substantia Gelatinosa of the Monkey." In Processing of Sensory Information in the Superficial Dorsal Horn of the Spinal Cord, 57–69. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0825-6_6.

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Conference papers on the topic "Core Electron-Root"

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Gowreesan, Vamadevan, and Kirill Grebinnyk. "Stress Corrosion Cracking in Steam Turbine: Two Case Studies." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63665.

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Stress corrosion cracking in steam turbines had been an old problem though some modern steam turbines have almost eliminated this problem by several methods. The methods include design modification to reduce the stress levels below the threshold stress level for stress corrosion cracking, inducing compressive stress by different means and using pure steam [1, 2]. Some of the older steam turbine discs are prone to stress corrosion cracking. Two cases where such machines experienced stress corrosion cracking in their discs are discussed here. The row 6 disc of an integral steam turbine rotor developed cracks in the root sections. Some of the cracks were mechanically opened for the evaluation. Evaluation of the fracture surfaces with a scanning electron microscope showed evidence of intergranular mode of cracking. Optical microscopy of a cracked root confirmed intergranular mode of cracking. In addition, it showed branching of cracks. Based on these findings, it was concluded that stress corrosion cracking was the reason for the cracks. In addition, finite element analysis was used to calculate the stress distribution in the blade root of the disc. The location of the maximum equivalent stress coincided perfectly with that of the actual crack location in the disc root section. Unfortunately, redesign of the root geometry to minimize the local stress concentration is very difficult due to the size limitation of the blade roots. Small amount of chlorine was identified on the fracture surface and the chlorine could have come from the steam used. The customer was advised to analyze their steam quality and to improve the quality of the steam if needed. The cracked portion was removed from the disc and weld-build up to machine new root sections with the same type of roots. Root section of the row 6 disc of another steam turbine developed failure. This disc had radial entry type blades. Portion of the disc root and some blades were liberated from the disc due to the cracking. The fracture surface had heavy oxide layer on it. Evaluation of the fracture surface with a scanning electron microscope revealed intergranular mode of failure. Energy dispersive spectroscopy analysis of the fracture surface found oxides on the fracture surface. Optical microscopy showed secondary cracking and branched cracking. All these evidences confirmed that the failure occurred due to stress corrosion cracking. In addition, it was suspected that forging was not heat treated properly due to measured lower toughness and different microstructure. The lower toughness was believed to be a result of improper heat treatment rather than that of embrittlement. Methods to mitigate the risk of stress corrosion cracking were proposed.
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