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determining flame radiation fraction induced by interaction burning of tri-symmetric propane fires in openspace based on weighted multi-point source model

Jie JI, Junrui DUAN, Huaxian WAN

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 1017-1026 doi: 10.1007/s11708-020-0716-x

Abstract: Moreover, the multi-point source model was further improved, and radiation fraction of propane was calculated

Keywords： flame interaction air entrainment flame height multi-point source model thermal radiation

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RepoLike: amulti-feature-based personalized recommendation approach for open-source repositories None

Cheng YANG, Qiang FAN, Tao WANG, Gang YIN, Xun-hui ZHANG, Yue YU, Hua-min WANG

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 2, Pages 222-237 doi: 10.1631/FITEE.1700196

Abstract: their good flexibility and openness, a large number of external contributors have been attracted to the open-sourceThey are playing a significant role in open-source development.However, the open-source development online is a globalized and distributed cooperative work.It takes contributors a lot of time to find suitable projects or tasks from thousands of open-source

Keywords： Social coding Open-source software Personal recommendation GitHub

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Design and analyses of open-ended pipe piles in cohesionless soils

Yuan GUO,Xiong (Bill) YU

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1, Pages 22-29 doi: 10.1007/s11709-016-0314-5

Abstract: Large open-ended pipe pile has been found to be advantageous for use in transportation projects.To close this practice gap, this paper first summarized different design methods for open-ended pipe

Keywords： open-ended pipe pile soil plug DEM base capacity

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Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9, Pages 1071-1088 doi: 10.1007/s11709-022-0879-0

Abstract: For open car park structures, adopting a performance-based structural fire design is often justifiedThis paper describes a numerical study on the thermal exposure on steel framing members in open car park

Keywords： open car park localized fire steel frame numerical modeling computational fluid dynamics

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NC flame pipe cutting machine tool based on open architecture CNC system

Xiaogen NIE, Yanbing LIU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2, Pages 147-152 doi: 10.1007/s11465-009-0025-x

Abstract: The paper deals with the design and implementation of an open architecture CNC system for the NFPCM,Further, the paper develops the program and sets up the open and module NC system.

Keywords： flame pipe cutting flame incision tracks CNC open architecture CNC system

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Cavitation in semi-open centrifugal impellers for a miniature pump

LUO Xianwu, LIU Shuhong, ZHANG Yao, XU Hongyuan

Frontiers in Energy 2008, Volume 2, Issue 1, Pages 31-35 doi: 10.1007/s11708-008-0011-8

Abstract: Cavitation in miniature pumps was investigated experimentally for two semi-open centrifugal impellerssimilar cavitation performances as an ordinary-size pump, with the cavitation performance of the semi-openAlso, both the hydraulic and cavitation performance of the semi-open impeller were improved by the leaned

Keywords： cavitation performance semi-open impeller increased two-dimensional efficiency

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Development of source profiles and their application in source apportionment of PM

Ningning Zhang, Mazhan Zhuang, Jie Tian, Pengshan Tian, Jieru Zhang, Qiyuan Wang, Yaqing Zhou, Rujin Huang, Chongshu Zhu, Xuemin Zhang, Junji Cao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0879-1

Abstract: Local source profiles of major PM sources were developed.Source apportionment was conducted using CMB model.Local source samples were obtained from coal burning power plants, industries, motor vehicles, biomassburning, fugitive dust, and sea salt for the source apportionment studies.and the source profiles.

Keywords： PM_2.5 Source profile Source apportionment CMB Xiamen

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Evaluation of the harmonic scalpel in open surgery for abdominal aortic aneurysm

Zeyu Wu, Zhe Chen, Lin Peng

Frontiers of Medicine 2012, Volume 6, Issue 1, Pages 85-88 doi: 10.1007/s11684-012-0174-x

Abstract: During the last few years, many surgeons have begun to use the harmonic scalpel in open surgery.The aim of the present study is to determine the value of the harmonic scalpel in open operation forA total of 153 patients who underwent open surgery for AAA at the Department of Vascular Surgery of GuangdongOpen surgery performed with the harmonic scalpel on 105 patients was compared with open operation usingThe harmonic scalpel is a safe and minimally invasive tool in open surgery for AAA and is associated

Keywords： abdominal aortic aneurysm harmonic scalpel minimally invasive

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Experimental study on flow behavior at open channel confluences

WANG Xiekang, WANG Xianye, LU Weizhen, LIU Tonghuan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2, Pages 211-216 doi: 10.1007/s11709-007-0025-z

Abstract: Channel confluences are common in natural rivers and hydraulic engineering, and the flow behavior at confluences becomes very complex because of the interaction between the tributary and the main river. In this study, the experiments were performed in a combined flume with a 30º angle between the main and tributary flume located at Sichuan University. The velocity was measured by using a three-component acoustic Doppler velocimeter (ADV) over a grid defined throughout the junction region. Based on the analysis of the velocity at the confluence, the distinctive characteristics of a channel confluence flow may be divided into several zones including a zone of separation immediately downstream of the junction branch channel, the maximum and minimum velocity regions at the upstream and downstream in the confluent channel, and a shear plane developed between the two combining flows downstream of the confluent channel. In addition, secondary circulations in different directions at the higher and lower velocity zones are observed as well.

Keywords： ADV different interaction separation downstream

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Development Status and Trend of Standards Digitization

Liu Xize , Wang Yiyi, Du Xiaoyan, Li Jia, Che Di

Strategic Study of CAE 2021, Volume 23, Issue 6, Pages 147-154 doi: 10.15302/J-SSCAE-2021.06.014

Abstract:

Standards digitization is the inevitable result of economic and social development, digital technology change, and international strategic game. It is the key to realize the digital transformation of National Quality Infrastructure (NQI) and has strategic significance for the construction of Digital China. This study reviews the demands of standards digitization and the research and practice of standardization organizations and key countries. The future development trends of standards digitization are analyzed in depth from the aspects of performance form, development mode, and social influence. Furthermore, it puts forward several suggestions for the standards digitization in China considering these trends. Specifically, a standards digital transformation organization should be established to improve the working mechanism, generic and key technologies need to be developed to lay a science and technology foundation for standards digitization, the pilot scope should be expanded to cultivate an industrial ecology, and international cooperation and exchanges should be encourage to integrate China into the global wave of standards digitization.

Keywords： digital transformation，National Quality Infrastructure (NQI)，standardization，standards digitization，opensource

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Effects of inner sleeves on the inner frictional resistance of open-ended piles driven into sand

Janaka J. KUMARA,Yoshiaki KIKUCHI,Takashi KURASHINA,Takahiro YAJIMA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4, Pages 499-505 doi: 10.1007/s11709-016-0335-0

Abstract: In open-ended piles, inner friction is developed between inner pile shaft and the inner soil.

Keywords： bearing capacity inner frictional resistance inner sleeve open-ended piles soil plugging

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The source and transport of bioaerosols in the air: A review

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1336-8

Abstract:

• Emission of microbe from local environments is a main source of bioaerosols

Keywords： Bioaerosols Diffusion Source identification Biogeography

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Analysis of stress and failure in rock specimens with closed and open flaws on the surface

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1222-1237 doi: 10.1007/s11709-021-0773-1

Abstract: The influence of closed and open surface flaws on the stress distribution and failure in rock specimensThe simulated specimens include those with closed flaws and those with open flaws on the surface.results show significant differences in the stress, displacement, and failure behavior of the closed and openAccording to the results, when compression is the dominant mode of stress applied to the flaw surface, an openarticle suggest that failure at the rock surface may be managed in a favorable manner by fabricating open

Keywords： surface flaw heterogeneity circular hole numerical modeling relative displacement

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δN-stable isotope analysis of NH: An overview on analytical measurements, source sampling and its source

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1414-6

Abstract:

• Challenges in sampling of NH₃ sources for d¹⁵N analysis are highlighted.

Keywords： Aerosol ammonium Atmospheric gaseous ammonia Isotope fingerprinting Isotope-based source apportionment

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Fault tolerant control strategy for modular PWM current source inverter

Frontiers in Energy 2023, Volume 17, Issue 2, Pages 228-238 doi: 10.1007/s11708-022-0852-6

Abstract: control method for an input-series output-parallel modular grid-tied pulse-width modulation (PWM) current sourceinverter is proposed to address the most commonly seen single symmetrical gate-commutated thyristor (SGCT) open-circuitcurrent, and it can achieve the upper limit power of the inverter under the condition of a single SGCT open-circuit

Keywords： current source converter (CSC) fault-tolerant control space vector modulation active damping resonance

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Title Author Date Type Operation

determining flame radiation fraction induced by interaction burning of tri-symmetric propane fires in openspace based on weighted multi-point source model

Jie JI, Junrui DUAN, Huaxian WAN

Journal Article

RepoLike: amulti-feature-based personalized recommendation approach for open-source repositories

Cheng YANG, Qiang FAN, Tao WANG, Gang YIN, Xun-hui ZHANG, Yue YU, Hua-min WANG

Journal Article

Design and analyses of open-ended pipe piles in cohesionless soils

Yuan GUO,Xiong (Bill) YU

Journal Article

Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

Journal Article

NC flame pipe cutting machine tool based on open architecture CNC system