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Journal articles on the topic 'Atomic paddle'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Kong, Pui Wah, Cheryl Sihui Tay, and Jing Wen Pan. "Application of Instrumented Paddles in Measuring On-Water Kinetics of Front and Back Paddlers in K2 Sprint Kayaking Crews of Various Ability Levels." Sensors 20, no. 21 (2020): 6317. http://dx.doi.org/10.3390/s20216317.

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This study used instrumented paddles to obtain on-water kinetic variables of two-seater (K2) crews during sprint kayaking. A total of 74 male kayakers of various ability levels (national team: 9, recreational club: 38, school team: 27) comprising 39 K2 crews were recruited. Both the front and back paddlers were provided with an instrumented paddle to perform 200-m maximal effort paddling in a reservoir. Force, power, and temporal variables were extracted from the paddle data. Difference among groups were compared using a factorial Analysis of Variance. Results showed that the force, power, and

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2

Henderson, J. Nathan, Agnieszka M. Kuriata, Raimund Fromme, Michael E. Salvucci, and Rebekka M. Wachter. "Atomic Resolution X-ray Structure of the Substrate Recognition Domain of Higher Plant Ribulose-bisphosphate Carboxylase/Oxygenase (Rubisco) Activase." Journal of Biological Chemistry 286, no. 41 (2011): 35683–88. http://dx.doi.org/10.1074/jbc.c111.289595.

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The rapid release of tight-binding inhibitors from dead-end ribulose-bisphosphate carboxylase/oxygenase (Rubisco) complexes requires the activity of Rubisco activase, an AAA+ ATPase that utilizes chemo-mechanical energy to catalyze the reactivation of Rubisco. Activase is thought to play a central role in coordinating the rate of CO2 fixation with the light reactions of photosynthesis. Here, we present a 1.9 Å crystal structure of the C-domain core of creosote activase. The fold consists of a canonical four-helix bundle, from which a paddle-like extension protrudes that entails a nine-turn hel

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3

Kaviani, Hamidreza, Chris Healey, Marcelo Wu, Roohollah Ghobadi, Aaron Hryciw, and Paul E. Barclay. "Nonlinear optomechanical paddle nanocavities." Optica 2, no. 3 (2015): 271. http://dx.doi.org/10.1364/optica.2.000271.

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4

Liu, Long, Hui-Hui Wang, Sen Qiu, Yun-Cui Zhang, and Zheng-Dong Hao. "Paddle Stroke Analysis for Kayakers Using Wearable Technologies." Sensors 21, no. 3 (2021): 914. http://dx.doi.org/10.3390/s21030914.

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Proper stroke posture and rhythm are crucial for kayakers to achieve perfect performance and avoid the occurrence of sport injuries. The traditional video-based analysis method has numerous limitations (e.g., site and occlusion). In this study, we propose a systematic approach for evaluating the training performance of kayakers based on the multiple sensors fusion technology. Kayakers’ motion information is collected by miniature inertial sensor nodes attached on the body. The extend Kalman filter (EKF) method is used for data fusion and updating human posture. After sensor calibration, the ka

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5

Gomes, Diana, Dinis Moreira, João Costa, Ricardo Graça, and João Madureira. "Surf Session Events’ Profiling Using Smartphones’ Embedded Sensors." Sensors 19, no. 14 (2019): 3138. http://dx.doi.org/10.3390/s19143138.

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The increasing popularity of water sports—surfing, in particular—has been raising attention to its yet immature technology market. While several available solutions aim to characterise surf session events, this can still be considered an open issue, due to the low performance, unavailability, obtrusiveness and/or lack of validation of existing systems. In this work, we propose a novel method for wave, paddle, sprint paddle, dive, lay, and sit events detection in the context of a surf session, which enables its entire profiling with 88.1% accuracy for the combined detection of all events. In pa

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6

Charandabi, S. Chitsaz, P. D. Prewett, C. A. Hamlett, C. J. Anthony, and J. A. Preece. "Nano planar coil actuated micro paddle resonator for mass detection." Microelectronic Engineering 88, no. 8 (2011): 2229–32. http://dx.doi.org/10.1016/j.mee.2011.02.086.

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7

Herich, Peter, Lukáš Bučinský, Martin Breza, et al. "Electronic structure of two isostructural `paddle-wheel' complexes: a comparative study." Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials 74, no. 6 (2018): 681–92. http://dx.doi.org/10.1107/s2052520618013707.

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The experimental electron density distribution in two isostructural and isomorphous complexes, tetrakis(μ2-acetato)diaquadicopper(II) [H2OCu(ac)2Cu(ac)2H2O] (I) and tetrakis(μ2-acetato)diaquadichromium(II), [H2OCr(ac)2Cr(ac)2H2O] (II), has been obtained from high-resolution X-ray diffraction data in order to shed light on the bonding properties in the compounds studied. It has been shown that from accurate X-ray data it is possible to discuss the bonding capability of the metal atom (Cu/Cr) and the ligands in these complexes. A comparison of results obtained from averaged and non-averaged X-ra

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8

Teng, Shiang-Yu, and Sheng-Jye Hwang. "Simulations and experiments of three-dimensional paddle shift for IC packaging." Microelectronic Engineering 85, no. 1 (2008): 115–25. http://dx.doi.org/10.1016/j.mee.2007.04.148.

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9

Cho, Woong, Yong Jun Ko, Yoo Min Ahn, Gun Ho Chang, and Jae Ho Lee. "The Effects of Current Type and Density on Dishing Phenomena in CMP Process." Solid State Phenomena 124-126 (June 2007): 307–10. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.307.

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The dishing phenomena of soft materials in chemical mechanical polishing (CMP) process were problematic in delineating inlaid metal patterns. The inlaid copper structures were fabricated on Si wafer where SiO2 was thermally grown. Seed layer was deposited by thermal evaporate method followed by copper electrodeposition. Copper was electrodeposited with IBM paddle type electroplating machine to obtain uniform thickness of coating. The dishing amounts were measured at various current density and current type. The dishing amounts with pattern density and line width were also measured. The losses

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10

Abdulbaqi, Mustafa R. "EVALUATION THE EFFECT OF NANOTECHNOLOGY ON PHARMACEUTICAL AND BIOLOGICAL PROPERTIES OF METRONIDAZOLE." International Journal of Pharmacy and Pharmaceutical Sciences 9, no. 8 (2017): 139. http://dx.doi.org/10.22159/ijpps.2017v9i8.19806.

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Objective: This study aimed to evaluate the application of nanotechnology in improving the solubility and biologic activity as the antibacterial and antifungal drug of metronidazole (MTZ).Methods: Nanoparticles of bismuth sulfide (Bi2S3) were used as the nanocarriers for metronidazole (MTZ) and they were synthesized by chemical co-precipitation method. Drug loading on Bi2S3 nanoparticles, lattice property alteration and average particles sizes were evaluated using fourier transform infrared (FTIR) spectroscopy, atomic force microscopy (AFM), and powder X-ray diffraction (PXRD). The evaluation

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11

Abdulbaqi, Mustafa R. "PREPARATION AND EVALUATION OF CLARITHROMYCIN LOADED BISMUTH SULFIDE (Bi2S3) NANOPARTICLES UTILIZING NANOTECHNOLOGY AS A NOVEL DRUG DELIVERY SYSTEM." International Journal of Pharmacy and Pharmaceutical Sciences 9, no. 9 (2017): 115. http://dx.doi.org/10.22159/ijpps.2017v9i9.19805.

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Objective: This study was designed to improve the solubility and biological activity of class II drug clarithromycin (CLA) by utilizing the nanotechnology as a novel drug delivery system.Methods: Bismuth sulfide (Bi2S3) nanoparticles were synthesized using chemical co-precipitation technique, while the loading of clarithromycin (CLA) with bismuth sulfide (Bi2S3) nanoparticles was achieved using incorporation method. The loading process, as well as particle size reduction, were evaluated using x-ray diffraction (XRD), furrier transformed infrared (FTIR) and atomic force microscopy (AFM). In vit

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12

Bonaiuto, Vincenzo, Giorgio Gatta, Cristian Romagnoli, Paolo Boatto, Nunzio Lanotte, and Giuseppe Annino. "A Pilot Study on the e-Kayak System: A Wireless DAQ Suited for Performance Analysis in Flatwater Sprint Kayaks." Sensors 20, no. 2 (2020): 542. http://dx.doi.org/10.3390/s20020542.

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Nowadays, in modern elite sport, the identification of the best training strategies which are useful in obtaining improvements during competitions requires an accurate measure of the physiologic and biomechanical parameters that affect performance. The goal of this pilot study was to investigate the capabilities of the e-Kayak system, a multichannel digital acquisition system specifically tailored for flatwater sprint kayaking application. e-Kayak allows the synchronous measure of all the parameters involved in kayak propulsion, both dynamic (including forces acting on the paddle and footrest)

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13

Potekin, Randi, Sajith Dharmasena, Hohyun Keum, et al. "Multi-frequency Atomic Force Microscopy based on enhanced internal resonance of an inner-paddled cantilever." Sensors and Actuators A: Physical 273 (April 2018): 206–20. http://dx.doi.org/10.1016/j.sna.2018.01.063.

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14

Dharmasena, Sajith M., Zining Yang, Seok Kim, Lawrence A. Bergman, Alexander F. Vakakis, and Hanna Cho. "Ultimate Decoupling between Surface Topography and Material Functionality in Atomic Force Microscopy Using an Inner-Paddled Cantilever." ACS Nano 12, no. 6 (2018): 5559–69. http://dx.doi.org/10.1021/acsnano.8b01319.

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15

Shaik, Nurul Huda, Ronald G. Reifenberger, and Arvind Raman. "Enhancing the optical lever sensitivity of microcantilevers for dynamic atomic force microscopy via integrated low frequency paddles." Nanotechnology 27, no. 19 (2016): 195502. http://dx.doi.org/10.1088/0957-4484/27/19/195502.

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16

Nguyen, The Anh, and Ming-Chang M. Lee. "Ultra-thin Si-padded Si3N4 waveguides for low-loss photonics." Optics Letters 46, no. 14 (2021): 3408. http://dx.doi.org/10.1364/ol.433488.

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17

Gorecki, J., and W. Byers Brown. "Padded-box model for the effect of pressure on helium." Journal of Physics B: Atomic, Molecular and Optical Physics 21, no. 3 (1988): 403–10. http://dx.doi.org/10.1088/0953-4075/21/3/009.

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18

Colín-Rodríguez, R., C. Díaz-García, and S. A. Cruz. "The hydrogen molecule and the H+2molecular ion inside padded prolate spheroidal cavities with arbitrary nuclear positions." Journal of Physics B: Atomic, Molecular and Optical Physics 44, no. 24 (2011): 241001. http://dx.doi.org/10.1088/0953-4075/44/24/241001.

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19

Hong, Wonki, Jungmin Lee, and Won Gu Lee. "A Dual-Padded, Protrusion-Incorporated, Ring-Type Sensor for the Measurement of Food Mass and Intake." Sensors 20, no. 19 (2020): 5623. http://dx.doi.org/10.3390/s20195623.

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Dietary monitoring is vital in healthcare because knowing food mass and intake (FMI) plays an essential role in revitalizing a person’s health and physical condition. In this study, we report the development of a highly sensitive ring-type biosensor for the detection of FMI for dietary monitoring. To identify lightweight food on a spoon, we enhance the sensing system’s sensitivity with three components: (1) a first-class lever mechanism, (2) a dual pad sensor, and (3) a force focusing structure using a ring surface having protrusions. As a result, we confirmed that, as the food arm’s length in

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20

Ghosh, A., P. K. Patra, K. Ishijima, et al. "Variations in global methane sources and sinks during 1910–2010." Atmospheric Chemistry and Physics Discussions 14, no. 20 (2014): 27619–61. http://dx.doi.org/10.5194/acpd-14-27619-2014.

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Abstract. Atmospheric methane (CH4) increased from ~900 ppb (parts per billion, or nanomoles per mole of dry air) in 1900 to ~1800 ppb during the 2000s at a rate unprecedented in any observational records. However, the causes of the CH4 increase are poorly understood. Here we use initial emissions from bottom-up inventories for anthropogenic sources, emissions from wetlands and rice paddies simulated by a terrestrial biogeochemical model, and an atmospheric general circulation model (AGCM)-based chemistry-transport model (i.e. ACTM) to simulate atmospheric CH4 concentrations for 1910 to 2010.

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21

Ghosh, A., P. K. Patra, K. Ishijima, et al. "Variations in global methane sources and sinks during 1910–2010." Atmospheric Chemistry and Physics 15, no. 5 (2015): 2595–612. http://dx.doi.org/10.5194/acp-15-2595-2015.

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Abstract. Atmospheric methane (CH4) increased from ~900 ppb (parts per billion, or nanomoles per mole of dry air) in 1900 to ~1800 ppb in 2010 at a rate unprecedented in any observational records. However, the contributions of the various methane sources and sinks to the CH4 increase are poorly understood. Here we use initial emissions from bottom-up inventories for anthropogenic sources, emissions from wetlands and rice paddies simulated by a~terrestrial biogeochemical model, and an atmospheric general circulation model (AGCM)-based chemistry-transport model (i.e. ACTM) to simulate atmospheri

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22

Wang, Di, Yi-Wei Zheng, Nan-Nan Li, and Qiong-Hua Wang. "Holographic Display System to Suppress Speckle Noise Based on Beam Shaping." Photonics 8, no. 6 (2021): 204. http://dx.doi.org/10.3390/photonics8060204.

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In this paper, a holographic system to suppress the speckle noise is proposed. Two spatial light modulators (SLMs) are used in the system, one of which is used for beam shaping, and the other is used for reproducing the image. By calculating the effective viewing angle of the reconstructed image, the effective hologram and the effective region of the SLM are calculated accordingly. Then, the size of the diffractive optical element (DOE) is calculated accordingly. The dynamic DOEs and effective hologram are loaded on the effective regions of the two SLMs, respectively, while the wasted areas of

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23

Adamiec, Janusz. "Weldability of the MSRB Magnesium Alloy." Solid State Phenomena 176 (June 2011): 107–18. http://dx.doi.org/10.4028/www.scientific.net/ssp.176.107.

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This work, in combination with industrial tests of casting welding, shows that the causes of high-temperature brittleness are the partial tears of the structure and the hot cracks of both the castings, as well as the welded and padded joints. Such phenomena should be treated as irreversible failures caused by the process of crystallization that is in the area of co-existence of the solid and liquid structural constituent. Nil-strength temperature (NST), nil-ductility temperature (NDT) and ductility recovery temperature (DRT) were determined using Gleeble 3800. Obtained results enabled the defi

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24

Wang, Yaoli, Yujun Duan, Wenxia Di, Qing Chang, and Lipo Wang. "Optimization of Submodularity and BBO-Based Routing Protocol for Wireless Sensor Deployment." Sensors 20, no. 5 (2020): 1286. http://dx.doi.org/10.3390/s20051286.

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Wireless sensors are limited by node costs, communication efficiency, and energy consumption when wireless sensors are deployed on a large scale. The use of submodular optimization can reduce the deployment cost. This paper proposes a sensor deployment method based on the Improved Heuristic Ant Colony Algorithm-Chaos Optimization of Padded Sensor Placements at Informative and cost-Effective Locations (IHACA-COpSPIEL) algorithm and a routing protocol based on an improved Biogeography-Based Optimization (BBO) algorithm. First, a mathematical model with submodularity is established. Second, the I

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25

Kukartsev, Viktor A., Vladislav V. Kukartsev, and Vadim S. Tynchenko. "Cast Iron and Steel Smelting in Induction Crucible Furnaces of Industrial Frequency." Solid State Phenomena 299 (January 2020): 530–34. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.530.

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A brief analysis of the cast iron and steel smelting in induction furnaces of industrial and medium frequency has been carried out. The analysis of the used metal scrap for the smelting of synthetic iron in induction melting furnaces with a padded lining of a lining mixture, based on quartzite, is carried out. The requirements for temperature melting modes, which are regulated by this type of melting furnaces developers, are reflected. The advantages and disadvantages of using induction crucible furnaces of industrial and medium frequency are considered. The features of smelting synthetic pig

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26

Narevicius, E., A. Libson, M. F. Riedel, et al. "Coherent Slowing of a Supersonic Beam with an Atomic Paddle." Physical Review Letters 98, no. 10 (2007). http://dx.doi.org/10.1103/physrevlett.98.103201.

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27

Funke, K., D. Wilmer, R. D. Banhatti, et al. "Interplay between Anion Rotation and Cation Transport in the Plastic High-Temperature Phase of Sodium Ortho-Phosphate." MRS Proceedings 527 (1998). http://dx.doi.org/10.1557/proc-527-469.

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ABSTRACTThe high-temperature phase of sodium ortho-phosphate, α-Na3PO4, belongs to the class of ion conducting plastic crystals, i.e., it is characterized by a dynamic rotational disorder of its poly-atomic anions and, at the same time, by a considerable translational mobility of its cations. During the past decade, the possibility, nature, and importance of a dynamic interplay between the two kinds of motion have been a subject of continued controversy. Proponents of a strong interplay coined the expression “paddle-wheel mechanism”. In our present contribution we report, for the first time, o

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28

Suárez-Delgado, Esteban, Teriws G. Rangel-Sandín, Itzel G. Ishida, Gisela E. Rangel-Yescas, Tamara Rosenbaum, and León D. Islas. "KV1.2 channels inactivate through a mechanism similar to C-type inactivation." Journal of General Physiology 152, no. 6 (2020). http://dx.doi.org/10.1085/jgp.201912499.

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Slow inactivation has been described in multiple voltage-gated K+ channels and in great detail in the Drosophila Shaker channel. Structural studies have begun to facilitate a better understanding of the atomic details of this and other gating mechanisms. To date, the only voltage-gated potassium channels whose structure has been solved are KvAP (x-ray diffraction), the KV1.2-KV2.1 “paddle” chimera (x-ray diffraction and cryo-EM), KV1.2 (x-ray diffraction), and ether-à-go-go (cryo-EM); however, the structural details and mechanisms of slow inactivation in these channels are unknown or poorly ch

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29

Alsowaidi, N., Tawfig Eltaif, and M. R. Mokhtar. "Successive Interference Cancellation for DS-Optical PPM-CDMA Systems." Journal of Optical Communications 37, no. 2 (2016). http://dx.doi.org/10.1515/joc-2015-0057.

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AbstractIn this paper we introduce a successive interference cancellation (SIC) scheme for direct sequence optical code division multiple access (DS-OCDMA) systems using pulse position modulation (PPM). Considering double-padded modified prime code (DPMPC) as a signature sequence code, results show that the system has better performance in terms of both capacity and bit error rate (BER) as compared to the one without cancellation scheme, where the system with SIC scheme can support up to 88 users while the system without SIC scheme can support only 38 users at similar BER=10

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