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3,480 results on '"Lin, Bing"'

65. Container-Driven Scheduling Strategy for Scientific Workflows in Multi-vCPU Environments

Author

Xiang, Peng, Lin, Bing, Yu, Hongjie, Liu, Dui, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Sun, Yuqing, editor, Lu, Tun, editor, Guo, Yinzhang, editor, Song, Xiaoxia, editor, Fan, Hongfei, editor, Liu, Dongning, editor, Gao, Liping, editor, and Du, Bowen, editor

Published
2023
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66. Robustness of the Tangle 2.0 Consensus

Author

Lin, Bing-Yang, Dziubałtowska, Daria, Macek, Piotr, Penzkofer, Andreas, Müller, Sebastian, Akan, Ozgur, Editorial Board Member, Bellavista, Paolo, Editorial Board Member, Cao, Jiannong, Editorial Board Member, Coulson, Geoffrey, Editorial Board Member, Dressler, Falko, Editorial Board Member, Ferrari, Domenico, Editorial Board Member, Gerla, Mario, Editorial Board Member, Kobayashi, Hisashi, Editorial Board Member, Palazzo, Sergio, Editorial Board Member, Sahni, Sartaj, Editorial Board Member, Shen, Xuemin, Editorial Board Member, Stan, Mircea, Editorial Board Member, Jia, Xiaohua, Editorial Board Member, Zomaya, Albert Y., Editorial Board Member, Hyytiä, Esa, editor, and Kavitha, Veeraruna, editor

Published
2023
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81. Connes distance of $2D$ harmonic oscillators in quantum phase space

Author

Lin, Bing-Sheng and Heng, Tai-Hua

Subjects
Mathematical Physics, Quantum Physics
Abstract

We study the Connes distance of quantum states of $2D$ harmonic oscillators in phase space. Using the Hilbert-Schmidt operatorial formulation, we construct a boson Fock space and a quantum Hilbert space, and obtain the Dirac operator and a spectral triple corresponding to a $4D$ quantum phase space. Based on the ball condition, we obtain some constraint relations about the optimal elements. We construct the explicit expressions of the corresponding optimal elements and then derive the Connes distance between two arbitrary Fock states of $2D$ quantum harmonic oscillators. We prove that these two-dimensional distances satisfy the Pythagoras theorem., Comment: Fixed some calculation mistakes in the later part

Published
2020
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85. Observation of novel in-gap states on alkali metal dosed Ti2O3 film.

Author

Ran, Pengxu, Lin, Bing, Hong, Caiyun, Wang, Baokai, Xie, Xiaopeng, Jiang, Congying, Tanaka, K., and He, Rui-Hua

Subjects
*PHOTOELECTRON spectroscopy, *CHEMICAL systems, *QUANTUM states, *PHENOMENOLOGICAL theory (Physics), *QUANTUM wells, *RUBIDIUM, *ALKALI metals
Abstract

Alkali metal dosing has nowadays been extensively used in angle-resolved photoemission spectroscopy (ARPES) for the in situ surface electron doping of materials to provide access to the unoccupied states. This technique also gives rise to nontrivial physical phenomena, such as the appearance of quantum well states and effects due to alkali metal intercalation. Here, we uncovered a previously unobserved type of electronic behavior induced by alkali metal dosing. By employing ARPES to study the evolution of the electronic structure of the Ti2O3 thin film upon rubidium (Rb) dosing, we found that the electron chemical potential of the system remains unchanged throughout the process. Interestingly, a series of electron-like band dispersions first appear with Rb dosing. A further increase in the Rb dosage leads to the eventual disappearance of the electron-like bands and the emergence of a set of hole-like bands. Our finding enriches the phenomenology brought about by alkali metal surface dosing, suggesting a novel functionality of this popular surface doping technique. [ABSTRACT FROM AUTHOR]

Published
2024
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88. Research on Main Controlling Factors of the Corrosion of L80-3Cr Tubing in an Offshore Oil Field and Evaluation of Protection Methods

Author

GAO Xiao-fei, XU Li-qian, LIU Jia, ZOU Mei-chu, YANG Qing, LIN Bing

Subjects
l80-3cr, carbon dioxide, flow velocity, gas-liquid two-phase flow, corrosion inhibitor evaluation, Materials of engineering and construction. Mechanics of materials, TA401-492, Technology
Abstract

In view of the working environment of the L80-3Cr tubing in an offshore oilfield in China，the weight loss method was employed to study the effects of carbon dioxide partial pressure，corrosive medium flow rate and corrosive medium gas-liquid ratio on the corrosion rate of tubing materials.Results showed that as the partial pressure of carbon dioxide increased，the corrosion rate of L80-3Cr increased firstly and then decreased，which reached the maximum when the partial pressure of carbon dioxide was 3.0 MPa.The results of SEM observation and XRD analysis on the surface of the sample possessing the highest corrosion rate showed that the corrosion product film formed on the surface of the sample was mainly composed of ferrous carbonate，and the poor film compactness and loose porosity were the main reasons for high corrosion rate.In corrosive medium with low flow rate，the corrosion rate of L80-3Cr was relatively small.However，the corrosion rate of L80-3Cr increased rapidly in high-velocity corrosion medium.Furthermore，gas-liquid two-phase flow passing through the surface of the sample could increase the corrosion rate of the material.With the increase of the gas content in the corrosive medium，the corrosion rate of the sample increased firstly，and then decreased slightly after the gas-liquid ratio increased to 0.227.Besides，the performances of hybrid corrosion inhibitors commonly used in oilfields were evaluated by electrochemical tests.The inhibition efficiency increased slightly with the increase of the concentration of corrosion inhibitor.The corrosion inhibitor mainly inhibited the occurrence of corrosion by adsorbing the film at the interface of the metal solution to enhance the polarization resistance of the corrosion reaction.

Published
2023
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89. Field Evaluation of Column CO2 Retrievals from Intensity-Modulated Continuous-Wave Differential Absorption Lidar Measurements during ACT-America

Author

Campbell, Joel F., Lin, Bing, Obland, Michael D., Dobler, Jeremy, Erxleben, Wayne, McGregor, Doug, O'Dell, Chris, Bell, Emily, Pal, Sandip, Weir, Brad, Fan, Tai-Fang, Kooi, Susan, Corbett, Abigail, Davis, Kenneth, Gordon, Iouli, and Kochanov, Roman

Subjects
Physics - Atmospheric and Oceanic Physics
Abstract

We present an evaluation of airborne Intensity-Modulated Continuous-Wave (IM-CW) lidar measurements of atmospheric column CO2 mole fractions during the ACT-America project. This lidar system transmits online and offline wavelengths simultaneously on the 1.57111-um CO2 absorption line, with each modulated wavelength using orthogonal swept frequency waveforms. After the spectral characteristics of this system were calibrated through short-path measurements, we used the HITRAN spectroscopic database to derive the average-column CO2 mixing ratio (XCO2) from the lidar measured optical depths. Based on in situ measurements of meteorological parameters and CO2 concentrations for calibration data, we demonstrate that our lidar CO2 measurements were consistent from season to season and had an absolute calibration error (standard deviation) of 0.80 ppm when compared to XCO2 values derived from in situ measurements. By using a 10-second or longer moving average, a long-term stability of 1 ppm or better was obtained. The estimated CO2 measurement precision for 0.1-s, 1-s, 10-s, and 60-s averages were determined to be 3.4 ppm (0.84%), 1.2 ppm (0.30%), 0.43 ppm (0.10%), and 0.26 ppm (0.063%), respectively. These correspond to measurement signal-to-noise ratios of 120, 330, 950, and 1600, respectively. The drift in XCO2 over one-hour of flight time was found to be below our detection limit of about 0.1 ppm. These analyses demonstrate that the measurement stability, precision and accuracy are all well below the thresholds needed to study synoptic-scale variations in atmospheric XCO2., Comment: 20 pages, 5 figures. Submitted to Earth, Space, and Science (AGU)

Published
2020
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98. Blockchain-based Trusted Service-oriented Architecture

Author

CHEN Yan, LIN Bing, CHEN Xiaona, CHEN Xing

Subjects
blockchain, blockchain-based service description model, trusted credential, trusted invocation, dispute resolution mechanism, Computer software, QA76.75-76.765, Technology (General), T1-995
Abstract

In traditional service-oriented architecture(SOA),web service providers register their service descriptions in the registry for service consumers to discover and invoke services.Traditional SOA lacks dispute resolution mechanism,so that the trusted service invocation between service consumers and providers can not be guaranteed.Blockchain can be reasonably introduced into the dispute resolution mechanism due to its significant advantages in decentralization and tamper resistance.Therefore,this paper proposes a trusted SOA architecture based on blockchain,in which blockchain acts as evidence recorder and service registry agent. During a service trusted invocation,the service consumer first encrypts the parameters and sends them to the target service provider.Secondly,the service provider receives the encryption parameters and decrypts them.Then,the service provider completes the service execution and encrypts the output result.Finally,when the service provider sends the encryption result to the service consumer,it completes the trusted credential construction and uplink.Based on the above,when a service dispute occurs,it will trigger the adjudication of the smart contract.The execution of the contract relies on trusted vouchers to correctly handle service disputes.Experimental results show that,compared with the traditional invocation,the proposed method can correctly handle the service disputes between service providers and requesters on the premise of ensuring that the growth rate of trusted invocation time of most services is no more than 30%.

Published
2023
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