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Journal articles on the topic 'Body surfaces'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

REHR, J. J. "Surface Science: Many-Body Phenomena at Surfaces." Science 230, no. 4731 (1985): 1267–68. http://dx.doi.org/10.1126/science.230.4731.1267-a.

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2

Black, John E., V. T. Huynh, D. J. Cheng, and R. F. Wallis. "Surface vibrations on body centered cubic metal surfaces: The (110) surfaces." Surface Science 192, no. 2-3 (1987): 541–54. http://dx.doi.org/10.1016/s0039-6028(87)81145-7.

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3

Black, John E., V. T. Huynh, D. J. Cheng, and R. F. Wallis. "Surface vibrations on body centered cubic metal surfaces: The (110) surfaces." Surface Science Letters 192, no. 2-3 (1987): A574. http://dx.doi.org/10.1016/0167-2584(87)90818-8.

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4

Young, A. J., M. N. Sawka, Y. Epstein, B. Decristofano, and K. B. Pandolf. "Cooling different body surfaces during upper and lower body exercise." Journal of Applied Physiology 63, no. 3 (1987): 1218–23. http://dx.doi.org/10.1152/jappl.1987.63.3.1218.

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The effect of varying the body surface area being cooled by a liquid microclimate system was evaluated during exercise heat-stress conditions. Six male subjects performed a total of six exercise (O2 uptake = 1.2 l/min) tests in a hot environment (ambient temperature = 38 degrees C, relative humidity = 30%) while dressed in clothing having low moisture permeability and high insulation. Each subject completed two upper body exercise (U; arm crank) tests: 1) with only the torso surface (T) cooled; and 2) with the surfaces of both the torso and upper arms (TA) cooled [coolant temperature at the in

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5

Titov, Vladimir B. "Zero velocity surface in the general three-body-problem." Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy 10, no. 1 (2023): 165–75. http://dx.doi.org/10.21638/spbu01.2023.114.

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The zero-velocity surfaces of the general planar three-body problem are constructed in the form space, the factor-space of the configuration space by transfer and rotation. Such a space is the space of congruent triangles, and the sphere in this space is similar triangles. The integral of energy in the form space gives the equation of the zero velocity surface. These surfaces can also be obtained based on the Sundman inequality. Such surfaces separate areas of possible movement from areas where movement is impossible. Without loss of generality, we can assume that the constant energy is −1/2 a

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6

Xu, Jia Chuan, Ping Ping Fan, Zeng Xiang Song, and Wei Cheng Zheng. "Surface Extension in Smoothing of Class a Surfaces for Auto-Body." Advanced Materials Research 690-693 (May 2013): 2767–71. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.2767.

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In smoothing of Class A surfaces for auto-body, the whole surface is firstly divided into many base surfaces, and then blended them into a whole surface. The base surface is often not big enough to meet the blending requirements, so it should be extended. The paper discussed the extension of Bézier curves and surfaces, and analyzed the relationships between extended curves/surfaces and vertexes. The result shows that the arrangement of control vertexes is closely related to the quality of extended curves/surfaces.

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Aslan, Selahattin, Murat Bekar, and Yusuf Yaylı. "Representation of generalized circular surfaces as rigid body motions." Miskolc Mathematical Notes 25, no. 1 (2024): 79. http://dx.doi.org/10.18514/mmn.2024.4311.

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In this paper, we introduce generalized circular surfaces, a generalization of generalized tube surfaces and circular surfaces. Moreover, we define a special dual quaternion by using the moving frame along the spine curve of generalized circular surface. We then show that the screw motion obtained by this dual quaternion can be used to construct generalized circular surfaces. We also prove that these generalized circular surfaces can be expressed by homothetic motions. Finally, we provide some examples of generalized circular surfaces with figures.

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8

Wild, Deidre. "Body pressures and bed surfaces." Nursing Standard 5, no. 27 (1991): 23–27. http://dx.doi.org/10.7748/ns.5.27.23.s42.

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9

Horng, Jeng Haur, Jian Shing Lee, and D. C. Du. "Three-Body Microcontact Model of Rough Surfaces and Its Application on Polishing of Wafer." Materials Science Forum 505-507 (January 2006): 445–50. http://dx.doi.org/10.4028/www.scientific.net/msf.505-507.445.

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In this study, a three-body microcontact model for rough surfaces is proposed in order to understand the effects of particles between surfaces on contact characteristics and its application on polishing of wafer. Both transitional surface-to-surface and particle-to-surface two-body microcontact simulations can be obtained according to the simplification of this model. In the three-body contact situation, the curves of contact area ratio versus dimensionless load are located in the range between two straight lines. The surface-to-surface two-body contact situation is the upper bound and the par

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10

Arnold, Gabriel, and Malika Auvray. "Perceptual Learning: Tactile Letter Recognition Transfers Across Body Surfaces." Multisensory Research 27, no. 1 (2014): 71–90. http://dx.doi.org/10.1163/22134808-00002443.

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Visual-to-tactile sensory substitution devices are designed to assist visually impaired people by converting visual stimuli into tactile stimuli. The important claim has been made that, after training with these devices, the tactile stimuli can be moved from one body surface to another without any decrease in performance. This claim, although recurrent, has never been empirically investigated. Moreover, studies in the field of tactile perceptual learning suggest that performance improvement transfers only to body surfaces that are closely represented in the somatosensory cortex, i.e. adjacent

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11

ERKOÇ, ŞAKIR, and HATICE KÖKTEN. "ENERGETICS OF ARSENIC TERMINATED GaAs(001) SURFACES." International Journal of Modern Physics C 11, no. 06 (2000): 1225–37. http://dx.doi.org/10.1142/s0129183100001048.

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We have investigated systematically the energetics of arsenic terminated GaAs(001) surfaces. Available surface models proposed in the literature have been considered, and relaxation and surface energies of each model have been calculated using an empirical many-body potential energy function comprising two and three-body atomic interactions.

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12

Davidson, Peter L., Suzanne J. Wilson, Barry D. Wilson, and David J. Chalmers. "An Approach to Modeling Impact Energy Absorption by Surfaces." Journal of Applied Biomechanics 25, no. 4 (2009): 351–59. http://dx.doi.org/10.1123/jab.25.4.351.

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The energy return characteristics of an impacted surface are important for human impacts such as a child falling onto a play surface or an athlete landing on a gymnastic mat. The amount of energy dissipated or returned to the impacting body will contribute to the surface’s injury-minimizing or performance-enhancing potential. We describe a simple approach for selecting a rheological computer model to simulate a human–surface impact. The situation analyzed was of a head form impact onto gymnastic tumbling mats. The approach can be used to characterize other surfaces and impacts. The force-time-

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13

McCafferty, D. J., C. Gilbert, A. M. Thierry, J. Currie, Y. Le Maho, and A. Ancel. "Emperor penguin body surfaces cool below air temperature." Biology Letters 9, no. 3 (2013): 20121192. http://dx.doi.org/10.1098/rsbl.2012.1192.

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Emperor penguins Aptenodytes forsteri are able to survive the harsh Antarctic climate because of specialized anatomical, physiological and behavioural adaptations for minimizing heat loss. Heat transfer theory predicts that metabolic heat loss in this species will mostly depend on radiative and convective cooling. To examine this, thermal imaging of emperor penguins was undertaken at the breeding colony of Pointe Géologie in Terre Adélie (66°40′ S 140° 01′ E), Antarctica in June 2008. During clear sky conditions, most outer surfaces of the body were colder than surrounding sub-zero air owing t

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Boatto, Stefanella, David G. Dritschel, and Rodrigo G. Schaefer. "N-body dynamics on closed surfaces: the axioms of mechanics." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2192 (2016): 20160020. http://dx.doi.org/10.1098/rspa.2016.0020.

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A major challenge for our understanding of the mathematical basis of particle dynamics is the formulation of N-body and N-vortex dynamics on Riemann surfaces. In this paper, we show how the two problems are, in fact, closely related when considering the role played by the intrinsic geometry of the surface. This enables a straightforward deduction of the dynamics of point masses, using recently derived results for point vortices on general closed differentiable surfaces M endowed with a metric g . We find, generally, that Kepler's Laws do not hold. What is more, even Newton's First Law (the law

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15

Stoehr, Bastian, Colin Hall, Drew Evans, and Peter Murphy. "Cleaning Dirty Surfaces: A Three-Body Problem." ACS Applied Materials & Interfaces 8, no. 28 (2016): 18534–39. http://dx.doi.org/10.1021/acsami.6b04181.

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16

Walkowiak, B., V. Kochmanska, W. Jakubowski, W. Okroj, and V. Kroliczak. "Interaction of Body Fluids with Carbon Surfaces." Journal of Wide Bandgap Materials 9, no. 4 (2002): 231–42. http://dx.doi.org/10.1106/152451102024426.

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17

Kevan, S. D., and Eli Rotenberg. "Many body effects at surfaces and interfaces." Journal of Electron Spectroscopy and Related Phenomena 117-118 (June 2001): 57–70. http://dx.doi.org/10.1016/s0368-2048(01)00245-6.

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18

Xu, Kaiyang, Jingfang Wei, Zeyu Hu, Jun Zhang, Haibin Wu, and Yuji Iwahori. "A Novel Projection Distortion Correction Method on Patient's Body Surface." Embedded Selforganising Systems 9, no. 3 (2022): 87–94. http://dx.doi.org/10.14464/ess.v9i3.578.

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In this paper, the projection distortion correction method of patient's body surface is studied. First, the applicability of four typical projection image distortion correction methods to different surfaces were compared. Secondly, Based on the correction method based on quadratic surface fitting, and a correction method based on point cloud mapping was designed, which uses structured light to extract the point cloud information on the surface of the projection screen for coordinate transformation. Combined with the depth information, it solves the distortion problem of complex surface project

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19

Labro, Labrini, Olga Margazi, Georgia Marouli, and Georgios Vasilopoulos. "Pressure ulcers and support surfaces." Health & Research Journal 2, no. 2 (2016): 94. http://dx.doi.org/10.12681/healthresj.19810.

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In health area pressure ulcers remain until today a major problem, especially in critically ill patients in whom the incidence is increasing due to their prolonged detention. An important part in the appearance of pressure sores is prevention. Prevention can be achieved in several ways such as by changing patient position or using specialized support surfaces which reduce the pressure in the areas most commonly created the pressure sores. Equally important part in pressure sores problem is manage the problem and it can mainly achieved by the use of specific pads or the use of new, alternative

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20

Labro, Labrini, Olga Margazi, Georgia Marouli, and Georgios Vasilopoulos. "Pressure ulcers and support surfaces." Health and Reserach Journal 2, no. 2 (2016): 94–106. https://doi.org/10.5281/zenodo.48712.

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<strong>Abstract</strong> In health area pressure ulcers remain until today a major problem, especially in critically ill patients in whom the incidence is increasing due to their prolonged detention. An important part in the appearance of pressure sores is prevention. Prevention can be achieved in several ways such as by changing patient position or using specialized support surfaces which reduce the pressure in the areas most commonly created the pressure sores. Equally important part in pressure sores problem is manage the problem and it can mainly achieved by the use of specific pads or th

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21

Dong, Yukun, Shengtao Wang, Junqi Sun, Menghua Wang, and Long Cheng. "Three-Dimensional Human Body Reconstruction Using Dual-View Normal Maps." Symmetry 16, no. 12 (2024): 1647. https://doi.org/10.3390/sym16121647.

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High-fidelity 3D human body reconstruction is challenging, as single-view methods often lead to distortions due to self-occlusion, and the existing multi-view approaches either focus on pose or exhibit limited performance. This study presents an efficient approach to realistic 3D human body reconstruction from front and back images, emphasizing symmetry and surface detail preservation. We begin by extracting the key points and pose information from dual-view images, applying SMPL-X to generate an initial 3D body. Then, using normal maps derived from both views, we infer high-fidelity surfaces

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22

Inagaki, T., and Y. Okamoto. "Surface Temperature Measurement Using Infrared Radiometer by Applying a Pseudo-Gray-Body Approximation: Estimation of Radiative Property for Metal Surface." Journal of Heat Transfer 118, no. 1 (1996): 73–78. http://dx.doi.org/10.1115/1.2824070.

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The visualization technique using an infrared radiometer has been widely used to estimate a two-dimensional temperature distribution on a surface. We have previously proposed various characteristics of the radiative properties for nonmetal surfaces on which the gray-body approximation can be used. However, the gray-body approximation can not be applied to glossy metal surfaces, because the influence of the reflected energy on the temperature measurement becomes severe. A pseudo-gray-body approximation is therefore proposed to estimate a temperature field on metal surfaces and its applicability

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23

Mance, Marko, Maja Prutki, Anto Dujmovic, Milan Miloševic, Vilena Vrbanovic-Mijatovic, and Davor Mijatovic. "Changes in total body surface area and the distribution of skin surfaces in relation to body mass index." Burns 46, no. 4 (2020): 868–75. http://dx.doi.org/10.1016/j.burns.2019.10.015.

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24

Zhao, Zhan Feng, Xiong Lu, and Yang Leng. "Mechanism Study of Calcium Phosphate Deposition on Titanium Surface in Simulated Body Fluid." Key Engineering Materials 342-343 (July 2007): 693–96. http://dx.doi.org/10.4028/www.scientific.net/kem.342-343.693.

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Previously, various surface treatments have been used to enhance the ability of titanium surfaces to induce calcium phosphate (Ca-P) formation in simulated body fluid (SBF). However, there were no systematic investigations on the key factors of the surface treatments to control such ability. In this work, three factors are studied for their roles in controlling Ca-P precipitation in SBF: surface roughness, surface chemistry and surface energy. Four kinds of single-step chemical treatments on Ti surfaces were carried out, including alkali treatment (AT), nitric acid treatment (NT), hydrogen per

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25

Kim, In Hwa. "Body Shape Classification Method for the Mass Customization of Men’s Formal Jacket." Research Institute of Human Ecology 27, no. 1 (2023): 79–91. http://dx.doi.org/10.36357/johe.2023.27.1.79.

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Background/Objectives: The purpose of present study is to develop a new body shape classification method, that can be used for the mass customization of men’s formal jackets, using variables measured on the men’s flattened body surfaces. Methods: Male participants in their 20s-50s were extracted from the 5th Size Korea database. The body surfaces were flattened into three-panels according to the conventional structure of men’s formal jackets. Variables were measured on the flattened panels, and those were inputted into the PCA. K-means clustering was conducted to categorize the flattened

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Mitsutake, Tsubasa, Takanori Taniguchi, Hisato Nakazono, Tomoyuki Shiozaki, Hisayoshi Yoshizuka, and Maiko Sakamoto. "The Relationship Between Soleus H-Reflex Following Standing GVS and Postural Control Responses on Firm and Foam Surfaces: An Exploratory Study." Brain Sciences 15, no. 2 (2025): 115. https://doi.org/10.3390/brainsci15020115.

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Background: The vestibular postural control system affects standing stability on an unstable surface. However, it is unclear whether maintaining a standing position on different surfaces alters lateral vestibulospinal tract (LVST) excitability and body control responses following vestibular stimulation. This study aimed to investigate the relationship between the soleus H-reflex following galvanic vestibular stimulation (GVSH), a measure of LVST, and post-stimulus body movement responses while standing with eyes closed on different surfaces. Methods: Twelve healthy volunteers (mean age 20.4 ±

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27

Xuan, J. L., I. T. Hong, and E. C. Fitch. "Hardness Effect on Three-Body Abrasive Wear Under Fluid Film Lubrication." Journal of Tribology 111, no. 1 (1989): 35–40. http://dx.doi.org/10.1115/1.3261876.

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Under fluid film lubrication, the particulate contaminants in the fluid cause three-body abrasive wear on critical surfaces. The wear not only depends on the hardness of the wearing surface (Hj), but also on the hardnesses of its opposing surface (Hb) and the involved abrasives (Ha). In this paper, the hardness effect, particularly the relationships among these three hardnesses, is studied, by exploring the interdependence between two hardness ratios: the ratio between two rubbing surfaces (Hb/Hj) and the ratio between the surface to be protected (usually the harder surface) and the abrasives

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Ferdinandus, Aprildy Randy Andrew, and Santo Junital Bumbungan. "Analisis Pengaturan Quarter-Car Active Suspension Menggunakan Neuro-Fuzzy Adaptif PID Control." Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) 6, no. 4 (2021): 203. http://dx.doi.org/10.33772/jfe.v6i4.21764.

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Car as a vehicle has a suspension on the wheels that connect the body with the road surface. The suspension is arranged in such way as to ensure the comfort in driving even on uneven road surfaces or damaged road surfaces. Because of the changes in road surface, it is very important to make adjustments to the suspension. The car suspension is adjusted using Neuro-Fuzzy Adaptive PID Control System so that the performance of the suspension can be improved in ensuring user comfort by reducing vibrations in the car body. Improved performance can be seen in the results of the suspension setting, wh

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Wierzcholski, Krzysztof. "The Metabolic Process After Lubrication of Human Joint and Skin Surfaces." Clinical Research Notes 3, no. 3 (2022): 01–11. http://dx.doi.org/10.31579/2690-8816/058.

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Purpose The topic of the presented paper concerns the human body and joint cartilage run-walk treatment implemented by the Electro-Magnetic (EM) and Acoustic Emission (AE) field. The thesis is proved here i.e. running in presence of a EM and AE field, increases dynamic viscosity of bio-lubricant liquids, thus increases energy burn, metabolism and finally it leads to the decrements of the body weight and hence it accelerates the slimming process. Material and Methods The research methods used in this paper include the following: EM field produced by a new Polish Apparatus MF-24, MT-3, Germany M

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30

Cobos, Anthony J., and Timothy E. Higham. "Growing up in a rough world: scaling of frictional adhesion and morphology of the Tokay gecko (Gekko gecko)." Beilstein Journal of Nanotechnology 13 (November 9, 2022): 1292–302. http://dx.doi.org/10.3762/bjnano.13.107.

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Many geckos have the remarkable ability to reversibly adhere to surfaces using a hierarchical system that includes both internal and external elements. The vast majority of studies have examined the performance of the adhesive system using adults and engineered materials and substrates (e.g., acrylic glass). Almost nothing is known about how the system changes with body size, nor how these changes would influence the ability to adhere to surfaces in nature. Using Tokay geckos (Gekko gecko), we examined the post-hatching scaling of morphology and frictional adhesive performance in animals rangi

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31

Candiotti, Jorge L., Ahlad Neti, Sivashankar Sivakanthan, and Rory A. Cooper. "Analysis of Whole-Body Vibration Using Electric Powered Wheelchairs on Surface Transitions." Vibration 5, no. 1 (2022): 98–109. http://dx.doi.org/10.3390/vibration5010006.

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Wheelchair users are exposed to whole-body vibration (WBV) when driving on sidewalks and in urban environments; however, there is limited literature on WBV exposure to power wheelchair users when driving during daily activities. Further, surface transitions (i.e., curb-ramps) provide wheelchair accessibility from street intersections to sidewalks; but these require a threshold for water drainage. This threshold may induce high WBV (i.e., root-mean-square and vibration-daily-value accelerations) when accessibility guidelines are not met. This study analyzed the WBV effects on power wheelchairs

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32

ERKOÇ, ŞAKIR, LYNDA AMIROUCHE, and LEILA ROUAIGUIA. "GOLD DEPOSITION ON GaAs(001) SURFACES: MOLECULAR-DYNAMICS SIMULATIONS." International Journal of Modern Physics C 13, no. 06 (2002): 759–69. http://dx.doi.org/10.1142/s0129183102003498.

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We have simulated the gold deposition on arsenic and gallium terminated GaAs(001) surfaces at low and room temperatures. It has been found that gallium terminated surface is relatively less stable in comparison to the arsenic terminated surface. On the other hand, a single gold adatom on the surface has different characteristics than full coverage gold atoms on the surface; a single gold atom diffuses into the surface at room temperature. Simulations have been performed by considering classical molecular-dynamics technique using an empirical many-body potential energy function comprising two-

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33

Raya Rashid Aldafaai, Zainab Juma Jafar, and Rasha Khalaf Zighair. "Does body surface area of children affect the oral health?" Journal of the Pakistan Medical Association 74, no. 10 (Supple-08) (2024): S22—S25. http://dx.doi.org/10.47391/jpma-bagh-16-06.

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Objectives: To evaluate relationship between oral health and body surface area among children. Method: The observational, cross-sectional study was conducted from January to February /2022 after approval from the ethics review committee of the College of Dentistry, University of Baghdad, Baghdad, Iraq, and comprised children of either gender aged 6-8 years who were randomly selected from primary schools in the city. Body surface area was calculated geometrically using different formulas, and the DuBois formula was used to make the intervals. The estimated body surface area values were broadly

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34

Nguyen, Thi Phuong-Trâm. "Delineating Surfaces." Drawing On: Journal of Architectural Research by Design 2 (July 16, 2018): 89–104. https://doi.org/10.2218/6jd3qv65.

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This paper retraces the explorations engaged in by the Minim friar Jean-François Niceron (1613-1646). His treatise, La Perspective curieuse, recounts his search for anamorphic images and suggests the pursuit of ‘delight in seeing the possibilities beyond the expected’ that these images offer. Anamorphic representations are deformed images, whereby the point of view is displaced in space. As a result, the resolution of the image is only possible through the adjustment of the body, the re-positioning of the body near that unique secondary vantage point. Based on the capacity of anamorphic repre

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Valagiannopoulos, Constantinos A., Constantin R. Simovski, and Sergei A. Tretyakov. "Breaking the black-body limit with resonant surfaces." EPJ Applied Metamaterials 4 (2017): 5. http://dx.doi.org/10.1051/epjam/2017002.

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Murrell, J. N., and A. J. C. Varandas. "The many-body expansion of multi-valued surfaces." Molecular Physics 57, no. 2 (1986): 415–20. http://dx.doi.org/10.1080/00268978600100321.

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37

Bell, K. F., C. L. Fogh, M. A. Byrne, A. J. H. Goddard, and J. Roed. "Aerosol deposition velocity measurements on human body surfaces." Journal of Aerosol Science 29 (September 1998): S1293—S1294. http://dx.doi.org/10.1016/s0021-8502(98)90829-1.

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38

Chen, Changfeng. "Many-body theory of BCC transition-metal surfaces." Physica B: Condensed Matter 183, no. 3 (1993): 271–78. http://dx.doi.org/10.1016/0921-4526(93)90037-7.

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39

Byrne, M. A., K. F. Bell, A. J. H. Goddard, C. Lange, and J. Roed. "Aerosol deposition velocity measurements to human body surfaces." Journal of Aerosol Science 26, no. 8 (1995): 1315. http://dx.doi.org/10.1016/0021-8502(96)80779-8.

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40

KONOPKO, SUSANA AMANDA. "Description of the immature stages of Sigara (Tropocorixa) schadei (Hungerford) (Hemiptera: Heteroptera: Corixidae)." Zootaxa 3487, no. 1 (2012): 41. http://dx.doi.org/10.11646/zootaxa.3487.1.3.

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The egg and the five instars of Sigara (Tropocorixa) schadei (Hungerford) are described and illustrated for the first time. The eggs of Sigara have a very short, basal stalk. The egg of S. schadei has protuberances delimiting small areas on the chorionic surface. The main characters separating the five instars of S. schadei are: the body length and body, head and eye widths; the number of transverse sulcations of the rostrum; the number of setae on the inner surface of the protibiotarsus; the number of long, slender setae on posterior and posterodorsal surfaces of the mesotibia and mesotarsus,

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Hirai, Yuji, Naoto Okuda, Naoki Saito, et al. "The Friction Properties of Firebrat Scales." Biomimetics 4, no. 1 (2019): 2. http://dx.doi.org/10.3390/biomimetics4010002.

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Friction is an important subject for sustainability due to problems that are associated with energy loss. In recent years, micro- and nanostructured surfaces have attracted much attention to reduce friction; however, suitable structures are still under consideration. Many functional surfaces are present in nature, such as the friction reduction surfaces of snake skins. In this study, we focused on firebrats, Thermobia domestica, which temporary live in narrow spaces, such as piled papers, so their body surface (integument) is frequently in contact with surrounding substrates. We speculate that

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42

Yan, Xiaoyu, Wei Wang, Xiaojun Liu, Jimin Xu, Lihong Zhu, and Bingxun Yang. "Using FEM to study the frictional instability induced by third-body particles confined in frictional interface." Industrial Lubrication and Tribology 72, no. 10 (2020): 1239–44. http://dx.doi.org/10.1108/ilt-12-2019-0544.

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Purpose A finite element method (FEM) model of the frictional behavior of two rough surfaces with a group of third-body particles confined by the surface asperities is established. By monitoring the stress distribution, friction force and the displacement of the surfaces, how the frictional instability is induced by these particles is studied. This modeling job aims to explore the relation between the meso-scale behavior and the macro-scale frictional behavior of these particles. Design/methodology/approach By using FEM, a 2D model of two frictional rough surfaces with a group of elastic or el

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43

Wu, Horng-Wen, and Yang-Yuan Chen. "Effect of two-body and three-body microcontacts under dry friction on contact characteristics." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 232, no. 4 (2017): 706–19. http://dx.doi.org/10.1177/0954406216686997.

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The wear debris generation is unavoidable between the contact interfaces of moving components. In three-body contact instances, friction and wear occur at these separate contact points. This paper discusses the characteristics of the three-body contact comprising the abrasive particle in the interface compared to the two-body contact. The results show that for the wear debris or foreign particles present in the interface of the three-body contact, as external load initially increases, the external load is fully borne by the contact characteristics of particle-to-surface. Until the external loa

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Xu, Jia Chuan, Shang Peng Gao, and Yong Fu Yin. "Representation Method and Degree Selection of Class A Surfaces for Auto-Body." Advanced Materials Research 156-157 (October 2010): 451–55. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.451.

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To represent curves and surfaces unified, many commercial soft-wares adopt non-uniform rational B-spline (NURBS) as the method. The NURBS method includes Bézier, B-spline and so forth. In surfaces smoothing Class A surfaces of auto-body are a kind of surfaces that have high desire. While different representing methods can fit curves and surfaces with prodigiously different qualities and efficiency. So the representing methods and degree selection of curves and surfaces for auto-body are fundamental issues that auto-body engineers must be solved. Based on analyzing the character of Bézier and B

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Qu, Li Gang, and Zheng Qi Qin. "Study on Modeling Technique about Complex Valve Body Based on Reverse Engineering." Key Engineering Materials 419-420 (October 2009): 461–64. http://dx.doi.org/10.4028/www.scientific.net/kem.419-420.461.

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The reverse modeling solution and its key technologies about complex part with internal cavity are introduced in this paper, taken the casting valve body for an example. The melt silicon rubber is injected in the valve body to duplicate its internal cavity surface, which is transformed into the external surface of the concretionary silicon rubber entity. The technical hurdle of collecting internal cavity surface data is solved. The key modeling technologies are studied according to data of spot cloud collected by laser-scanning approach, data preprocessing of spot cloud based on synthetic meth

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FLORES, FERNANDO, JOSÉ ORTEGA, and RUBÉN PÉREZ. "MANY-BODY EFFECTS AND THE METAL–INSULATOR TRANSITION AT SEMICONDUCTOR SURFACES AND INTERFACES." Surface Review and Letters 06, no. 03n04 (1999): 411–33. http://dx.doi.org/10.1142/s0218625x99000421.

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The aim of this paper is to present a general perspective of the different correlation effects appearing at semiconductor surfaces and interfaces. The unifying theoretical picture is the generalized Hubbard Hamiltonian. In a first step, we show how such Hamiltonians can be analyzed using both a local density approach and many-body techniques. This discussion shows how to determine the different electron–electron interaction parameters appearing in the generalized Hubbard Hamiltonian, from a set of restricted LDA calculations for the full surface. Then, different surfaces and interfaces are ana

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Maurel, Pierre, Laurent Weiss, Philippe Bocher, Eric Fleury, and Thierry Grosdidier. "Mechanisms of oxide dependent tribological behavior in Ti / Steel sliding and influence of nanostructured surfaces." MATEC Web of Conferences 321 (2020): 11094. http://dx.doi.org/10.1051/matecconf/202032111094.

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The tribological behavior of pure titanium having coarse-grained or nanostructured surfaces has been investigated against a steel ball moved with an alternative motion. The nanostructures were obtained by Surface Mechanical Attrition Treatment (SMAT) both at room and at cryogenic temperatures. An unexpected wear behavior was revealed: the hard steel ball was abraded for all cases even if it was several times harder compared to the Ti surface. This was due to the formation of a third body consisting of hard Ti oxides. Interestingly, important variations of the coefficient of friction were also

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Kanehira, Masafumi, Werner J. Finger, Naohiko Iwasaki, Natthavoot Koottathape, and Hidekazu Takahashi. "Morphological Features of Composite Resin Surfaces after Two- and Three-Body Wear Simulation." World Journal of Dentistry 3, no. 3 (2012): 221–28. http://dx.doi.org/10.5005/jp-journals-10015-1160.

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ABSTRACT Purpose To investigate morphological surface features of different composite resins after 30,000 sliding wear cycles under two- and three-body wear action. Materials and methods The morphology of worn surfaces of four nanofiller containing composite resins, Filtek Supreme XT (FIL), MI Flow (MFL), Venus Diamond (VED) and Venus Pearl (VEP) were investigated and compared with three conventional composites as references, microfilled Durafill VS (DUR), microhybrid Filtek Z250 (Z250) and hybrid-type Clearfil AP-X (APX). Plane surfaces of the polymerized and water-saturated materials (n = 5)

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Didier, NÉRAUDEAU, COUTRET Baptiste, GENDRY Damien, LESAGE Bastien, LOI Alfredo, and POUJOL Marc. "Elliptical body fossils from the Fortunian (Early Cambrian) of Normandy (NW France)." Comptes Rendus Palevol 22, no. 19 (2023): 439–53. https://doi.org/10.5852/cr-palevol2023v22a19.

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Body fossils have been discovered in the Fortunian deposits of the Rozel Cape, in Normandy (NW France). The material consists of about 80 specimens preserved on a shale surface, recently observed at the base of a cliff at the Cap Rozel, in the Cotentin region. The fossils, centimetric in size, have an elliptical outline, with a peripheral bulge, generally without other conspicuous ornamentation, but showing sometimes concentric or radial lines possibly of taphonomic origins. In addition, these body fossils are preserved parallel to the bedding plane, locally rich in horizontal trace

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Marri, Ivan, Michele Amato, Matteo Bertocchi, Andrea Ferretti, Daniele Varsano, and Stefano Ossicini. "Surface chemistry effects on work function, ionization potential and electronic affinity of Si(100), Ge(100) surfaces and SiGe heterostructures." Physical Chemistry Chemical Physics 22, no. 44 (2020): 25593–605. http://dx.doi.org/10.1039/d0cp04013d.

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