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6. What's (Not) Validating Network Paths: A Survey

Author

Bu, Kai, Yang, Yutian, Laird, Avery, Luo, Jiaqing, Li, Yingjiu, and Ren, Kui

Subjects
Computer Science - Networking and Internet Architecture
Abstract

Validating network paths taken by packets is critical for a secure Internet architecture. Any feasible solution must both enforce packet forwarding along endhost-specified paths and verify whether packets have taken those paths. However, neither enforcement nor verification is supported by the current Internet. Due likely to a long-standing confusion between routing and forwarding, only limited solutions for path validation exist in the literature. This survey article aims to reinvigorate research in to the significant and essential topic of path validation. It crystallizes not only how path validation works but also where seemingly qualified solutions fall short. The analyses explore future research directions in path validation toward improving security, privacy, and efficiency., Comment: 30 pages with 5 figures, submitted to ACM Computing Surveys

Published
2018

13. Efficient contact between H2O and N‐coordinate Ru nanoparticles in three‐dimensionally ordered macro/mesoporous carbon boosting alkaline HER

Author

Luo, Jiaqing, primary, Liu, Chunyu, additional, Zhang, Ruolin, additional, Sun, Yuanqing, additional, Xu, Hua, additional, Hu, Qingying, additional, Zhang, Manxue, additional, Li, Jun, additional, Li, Zhenxing, additional, Song, Weiyu, additional, Wei, Yuechang, additional, and Liu, Jian, additional

Published
2023
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14. Efficient Contact between H2O and N‐Coordinate Ru Nanoparticles in Three‐Dimensionally Ordered Macro/Mesoporous Carbon Boosting Alkaline HER†.

Author

Luo, Jiaqing, Liu, Chunyu, Zhang, Ruolin, Sun, Yuanqing, Xu, Hua, Hu, Qingying, Zhang, Manxue, Li, Jun, Li, Zhenxing, Song, Weiyu, Wei, Yuechang, and Liu, Jian

Subjects
*HYDROGEN evolution reactions, *NANOPARTICLES, *CALCIUM cyanamide, *POROUS polymers, *MESOPORES, *CARBON, *SURFACE area
Abstract

Comprehensive Summary: In this study, a novel approach is proposed to achieve the uniformly dispersed Ru nanoparticles with N coordination loaded on three‐dimensionally ordered macro/mesoporous carbon (3DOMMC) through simultaneous pyrolysis of Ru3+ and cyanamide on 3DOMMC. In an alkaline medium, the synthesized catalysts exhibit exceptional hydrogen evolution reaction (HER) performance. Specifically, Ru‐N/3DOMMC demonstrates a significantly low overpotential of 13.8 mV to achieve a current density of 10 mA·cm–2, and it exhibits a mass activity 17.5 times higher than that of commercial Pt/C. The outstanding performance could be attributed to the ultrahigh Ru dispersion and more efficient contact between active sites and reactant, which derived from the large specific surface area and interconnective three‐dimensionally macro/mesopores of 3DOMMC. [ABSTRACT FROM AUTHOR]

Published
2024
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15. Efficient Contact between H2O and N‐Coordinate Ru Nanoparticles in Three‐Dimensionally Ordered Macro/Mesoporous Carbon Boosting Alkaline HER†.

Author

Luo, Jiaqing, Liu, Chunyu, Zhang, Ruolin, Sun, Yuanqing, Xu, Hua, Hu, Qingying, Zhang, Manxue, Li, Jun, Li, Zhenxing, Song, Weiyu, Wei, Yuechang, and Liu, Jian

Subjects
HYDROGEN evolution reactions, NANOPARTICLES, CALCIUM cyanamide, POROUS polymers, MESOPORES, CARBON, SURFACE area
Abstract

Comprehensive Summary: In this study, a novel approach is proposed to achieve the uniformly dispersed Ru nanoparticles with N coordination loaded on three‐dimensionally ordered macro/mesoporous carbon (3DOMMC) through simultaneous pyrolysis of Ru3+ and cyanamide on 3DOMMC. In an alkaline medium, the synthesized catalysts exhibit exceptional hydrogen evolution reaction (HER) performance. Specifically, Ru‐N/3DOMMC demonstrates a significantly low overpotential of 13.8 mV to achieve a current density of 10 mA·cm–2, and it exhibits a mass activity 17.5 times higher than that of commercial Pt/C. The outstanding performance could be attributed to the ultrahigh Ru dispersion and more efficient contact between active sites and reactant, which derived from the large specific surface area and interconnective three‐dimensionally macro/mesopores of 3DOMMC. [ABSTRACT FROM AUTHOR]

Published
2024
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18. An Efficient and Simple Graph Model for Scientific Article Cold Start Recommendation

Author

Cai, Tengyuan, Cheng, Hongrong, Luo, Jiaqing, Zhou, Shijie, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Comyn-Wattiau, Isabelle, editor, Tanaka, Katsumi, editor, Song, Il-Yeol, editor, Yamamoto, Shuichiro, editor, and Saeki, Motoshi, editor

Published
2016
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20. A New k-Graph Partition Algorithm for Distributed P2P Simulation Systems

Author

Wu, Chunjiang, Zhou, Shijie, Wei, Linna, Luo, Jiaqing, Wang, Yanli, Yang, Xiaoqian, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Jin, Hai, editor, Rana, Omer F., editor, Pan, Yi, editor, and Prasanna, Viktor K., editor

Published
2007
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45. Self-assembly properties of ultra-long-chain gemini surfactant with high performance in a fracturing fluid application.

Author

Yang, Chunpeng, Hu, Zhiyuan, Song, Zhaozheng, Bai, Jianyong, Zhang, Yuan, Luo, JiaQing, Du, Yongxin, and Jiang, Qingzhe

Subjects
MOLECULAR self-assembly, SURFACE active agents, FRACTURING fluids, HYDROPHOBIC interactions, POTASSIUM chloride, ELECTROSTATICS
Abstract

ABSTRACT A new cationic gemini surfactant (C25-6-C25), which had a special structure consisting of ultra-long hydrophobic chains and amide groups, was synthesized using a main feedstock source obtained from rapeseed for thickening purposes. The 12 mmol L−1 C25-6-C25 fluid containing 0.19 mol L−1 potassium chloride (KCl) exhibited highly elastic properties at the angular frequency of 0.04-10 rad s−1. Its viscosity could be maintained at 55 mPa s for 1.5 h under a shear rate of 170 s−1 at 110 °C and it also showed a good proppant-suspending property. C25-6-C25/KCl fluid exhibited high viscoelasticity and good performance, which were attributed to intermolecular forces, hydrogen bonding, and the shielding effect of electrostatic repulsion by KCl. Thus, C25-6-C25 is a very promising candidate for fracturing. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44602. [ABSTRACT FROM AUTHOR]

Published
2017
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