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794 results on '"He, Chunlin"'

1. Cross-Modal Method Based on Self-Attention Neural Networks for Drug-Target Prediction

Author

Zhang, Litao, Yang, Chunming, He, Chunlin, Zhang, Hui, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Luo, Biao, editor, Cheng, Long, editor, Wu, Zheng-Guang, editor, Li, Hongyi, editor, and Li, Chaojie, editor

Published
2024
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35. An Incremental Approach Based on Hierarchical Classification in Multikernel Fuzzy Rough Sets Under the Variation of Object Set

Author

Fan, Wei, He, Chunlin, Zeng, Anping, Lin, Ke, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Huang, De-Shuang, editor, Jo, Kang-Hyun, editor, Jing, Junfeng, editor, Premaratne, Prashan, editor, Bevilacqua, Vitoantonio, editor, and Hussain, Abir, editor

Published
2022
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38. Research Status of Laser Cladding Technology on the Surface of Copper Alloy

Author

YANG Jie, HE Chunlin, SUN Yuhaixuan, CHI Pingjiao, YANG Xipeng, YU Jihao, SONG Guihong

Subjects
copper alloy, laser cladding, preparation process, microstructure, property, Materials of engineering and construction. Mechanics of materials, TA401-492, Technology
Abstract

Laser cladding has the characteristics of high energy density, small heat - affected zone, metallurgical bonding between the cladding layer and the substrate, compact cladding layer structure, fine grains and excellent performance. It is widely used in the surface strengthening of copper alloys. In this paper, the properties of copper alloys and the advantages of laser cladding technology in surface modification of copper alloys were briefly introduced. The effects of the preparation process as well as the powder system on the morphology, structure and performance of the cladding layer on the surface of copper alloy were emphatically reviewed. Besides, the application of laser cladding of copper alloy was summarized. Finally, the future research direction was prospected.

Published
2022
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49. N -Alkyl-1,2,4-triazole–Borane Complexes as High-Density Hypergolic Materials.

Author

Jia, Hongfu, Ma, Wenqi, Chang, Jinjie, and He, Chunlin

Subjects
NITRIC acid, GREEN fuels, SODIUM borohydride, AMMONIUM sulfate, THERMAL stability
Abstract

Hydrazine and its derivatives have served as a conventional bipropellant fuel for several decades. However, their extremely acute toxicity and carcinogenicity, high volatility, and environmental impact have attracted significant attention. In order to synthesize green bipropellant fuels with high density, high specific impulse, and good thermal stability, three novel N -alkyl-1,2,4-triazole–borane complexes were successfully synthesized by reacting alkylated 1,2,4-triazole coordinated with sodium borohydride in the presence of ammonium sulfate. During the droplet test with white fuming nitric acid, there was a relatively short ignition delay time of 98 ms. Additionally, these hypergolic fuels possessed a high density exceeding 1.10 g cm–3 , and the specific impulse is ranging from 187 to 199 s, and the highest decomposition temperature reaches 153.4 °C. These results demonstrate their great potential as hypergolic fuels or hypergolic ionic liquid additives in the field of hypergolic materials. [ABSTRACT FROM AUTHOR]

Published
2024
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