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Numerical modeling of cavitation on spillway’s flip bucket

Abbas PARSAIE,Sadegh DEHDAR-BEHBAHANI,Amir Hamzeh HAGHIABI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4, Pages 438-444 doi: 10.1007/s11709-016-0337-y

Abstract: In this paper, using Flow 3D as CFD commercial tool, the cavitation phenomenon was assessed along spillway'sflip bucket of the Balaroud dam.show that occurrence of cavitation based on cavitation index equal to 0.25 is not possible along the spillway

Keywords： cavitation Index numerical simulation spillway’s flip Bucket CFD Balaroud Dam physical modeling

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Multidisciplinary co-design optimization of structural and control parameters for bucket wheel reclaimer

Yongliang YUAN, Liye LV, Shuo WANG, Xueguan SONG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3, Pages 406-416 doi: 10.1007/s11465-019-0578-2

Abstract: Bucket wheel reclaimer (BWR) is an extremely complex engineering machine that involves multiple disciplines

Keywords： bucket wheel reclaimer co-design energy-minimum optimization sequential strategy

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Detection of solder bump defects on a flip chip using vibration analysis

Junchao LIU, Tielin SHI, Qi XIA, Guanglan LIAO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1, Pages 29-37 doi: 10.1007/s11465-012-0314-7

Abstract:

Flip chips are widely used in microelectronics packaging owing to the high demand of integration inSolder bump defects on flip chips are difficult to detect, because the solder bumps are obscured by thewith vibration analysis is presented for detecting missing solder bumps, which is a typical defect in flipThe flip chip analytical model is revised by considering the influence of spring mass on mechanical energyThis revised model is then applied to estimate the flip chip resonance frequencies.

Keywords： flip chip defect detection ultrasonic excitation vibration analysis

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Power-efficient dual-edge implicit pulse-triggered flip-flop with an embedded clock-gating scheme Article

Liang GENG,Ji-zhong SHEN,Cong-yuan XU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 9, Pages 962-972 doi: 10.1631/FITEE.1500293

Abstract: A novel dual-edge implicit pulse-triggered flip-flop with an embedded clock-gating scheme (DIFF-CGS)

Keywords： Low power Flip-flop Implicit Clock-gating scheme Dual-edge

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Technology improvements and management innovations in construction of Xiluodu hydropower station on Jinsha River

Qixiang FAN

Frontiers of Engineering Management 2017, Volume 4, Issue 2, Pages 231-237 doi: 10.15302/J-FEM-2017103

Abstract: Hongtao ZHOU, Hongwei WANG, Wei ZENG. [J]. Front. Eng, 2018, 5(1): 78-87.Peter REDFERN, Hua ZHONG. [J]. Front. Eng, 2017, 4(2): 193-200.Ming-zhou Liu,Cong-hu Liu,Mao-gen Ge,Yuan Zhang,Qing-hua Zhu. [J]. Front. Eng, 2016, 3(2): 144-146.Chong-guang Feng,Hao Hu,Feng Xu,Jian Yang. [J]. Front. Eng, 2015, 2(2): 178-181.Yu Zhao,Sheng-quan Wang,Ke-chao Zhu. [J]. Front. Eng, 2015, 2(1): 35-38.Ru-gui Chen,Jia-meng Chen. [J]. Front. Eng, 2014, 1(1): 52-61.An Wang. [J]. Front. Eng, 2014, 1(1): 13-17.

Keywords： structure behavior control anti-erosion concrete low-heat portland cement large-discharge and high-velocity spillway

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Society for Neuroscience's 49th Annualmeeting

Conference Date: 19 Oct 2019

Conference Place: 美国/伊利诺斯/芝加哥

Administered by: 美国神经科学学会

The RTS,S/AS01 malaria vaccine(English)

16 Jan 2024

Keywords： 2023全球十大工程成就

’s Best Papers of 2015

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0858-6

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Anion-exchange membrane direct ethanol fuel cells: Status and perspective

T.S. Zhao, Y.S. Li, S.Y. Shen

Frontiers in Energy 2010, Volume 4, Issue 4, Pages 443-458 doi: 10.1007/s11708-010-0127-5

Abstract: Direct ethanol fuel cells (DEFCs) are a promising carbon-neutral and sustainable power source for portable, mobile, and stationary applications. However, conventional DEFCs that use acid proton-exchange membranes (typically Nafion type) and platinum-based catalysts exhibit low performance (i.e., the state-of-the-art peak power density is 79.5 mW/cm at 90°C). Anion-exchange membrane (AEM) DEFCs that use low-cost AEM and non-platinum catalysts have recently been demonstrated to yield a much better performance (i.e., the state-of-the-art peak power density is 160 mW/cm at 80°C). This paper provides a comprehensive review of past research on the development of AEM DEFCs, including the aspects of catalysts, AEMs, and single-cell design and performance. Current and future research challenges are identified along with potential strategies to overcome them.

Keywords： fuel cell direct ethanol fuel cells anion-exchange membrane ethanol oxidation reaction oxygen reduction reaction cell performance

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Astrocytes in depression and Alzheimer’s disease

Frontiers of Medicine 2021, Volume 15, Issue 6, Pages 829-841 doi: 10.1007/s11684-021-0875-0

Abstract: chronic brain diseases may cause psychosocial and cognitive impairment, such as depression and Alzheimer’s

Keywords： astrocytes depression Alzheimer’s disease roles mechanisms

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FESE’s Best Papers of 2020

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1424-4

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A two-echelon （S-1，S） inventory model for repairable items based on markovian arrival process

Chen Tong,Li Fang and Di Peng

Strategic Study of CAE 2015, Volume 17, Issue 5, Pages 113-119

Abstract:

This paper investigates a two-echolon inventory system with （S-1，S） policy that consists of several

Keywords：（S-1，S） policy；two-echelon inventory；repairable item；markovian arrival process

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New Year’s Message for 2022

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1, Pages 14-14 doi: 10.1007/s11783-022-1538-3

Abstract: 2022 marks the 15th anniversary of the journal of Frontiers of Environmental Science & Engineering (FESE). To date, FESE has received more than 5500 submissions from more than 80 countries and our acceptance rate is ~20%. FESE has also been providing a communication and development platform by increasing its editorial board, organizing conferences, and setting up awards. We are grateful for the support from authors, reviewers, readers, and editorial colleagues to jointly make FESE an internationally recognized journal in the Environmental Science and Engineering field. FESE is becoming an important and irreplaceable forum on environmental issues. Nowadays, environmental issues have attracted tremendous attention and they call for solutions to combat pollution, to achieve carbon neutrality, to tackle climate change, and to promote sustainable development. Accordingly, research is tackling more complex challenges and FESE is conveying knowledge and technological solutions to address these challenges. FESE will implement several new initiatives in 2022. First, FESE will further increase the quality of its publications and its services to the Environmental Science and Engineering community. Second, FESE will publish articles in a more timely fashion by publishing them on a monthly basis. Third, we will introduce a new article style, “Opinion,” that will broaden our perspectives and focus. Fourth, we have been launching the first Young Talent Award which will recognize promising investigators. 2022 will certainly be a year full of passion and expectations. Hereby, we hope that FESE will march toward a higher level with the hard work from editorial board members and editorial office, the continuous support from authors and reviewers, and the close collaborations among Chinese Academy of Engineering, Tsinghua University, Higher Education Press, Springer, and other organizations. Finally, we wish you all a happy, healthy, and fruitful 2022!

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FESE’s Best Papers of 2021

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-022-1561-4