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The effects of mismatch fracture properties in encapsulation-based self-healing concrete using cohesive-zone

Luthfi Muhammad MAULUDIN, Chahmi OUCIF, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 792-801 doi: 10.1007/s11709-020-0629-0

Abstract: This study focuses on the effects of mismatch fracture properties, namely fracture strength and energy

Keywords： self-healing concrete     interfacial zone     capsule materials     cohesive elements     fracture maps    

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A 0.20–2.43 GHz fractional-

Wei Zou, Daming Ren, Xuecheng Zou,weizou@hust.edu.cn,damingren@hust.edu.cn,estxczou@hust.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 2,   Pages 141-286 doi: 10.1631/FITEE.1900653

Abstract: A CP with a mismatch suppression architecture is proposed to improve the current match of the CP andThe current consumption is 15.2 mA and the die occupies 850 µm×920 µm.

Keywords： Frequency synthesizer     Charge pump (CP)     Voltage-controlled oscillator (VCO)     Current mismatch     Phase    

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Expression status of GATA3 and mismatch repair proteins in upper tract urothelial carcinoma

Yue Wang, Jinxia Zhang, Yunfan Wang, Shufang Wang, Yu Zhang, Qi Miao, Fei Gao, Huiying He

Frontiers of Medicine 2019, Volume 13, Issue 6,   Pages 730-740 doi: 10.1007/s11684-019-0687-7

Abstract: GATA binding protein 3 (GATA3) and mismatch repair (MMR) deficiency contribute to the development of

Keywords： upper tract urothelial carcinoma     GATA binding protein 3     mismatch repair     microsatellite instability     prognosis    

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Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection layer

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 710-720 doi: 10.1007/s11708-021-0764-x

Abstract: applying an anti-corrosion SnO layer and In(OH)3 transition layer, which reduces the crystal mismatch

Keywords： stability for water splitting     corrosion inhibition     enhancing charge transfer and decreasing crystal mismatch    

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Effect of current density on groundwater arsenite removal performance using air cathode electrocoagulation

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1399-1

Abstract:

• With the same charge, current density had little effect on As(III)

Keywords： Electrocoagulation     Air cathode     Arsenic     Current density     Energy consumption    

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frequency synthesizer with optimized VCO and reduced current mismatch CP

Chunhui Li, Lijun Sun, Jiarong Liu, Yang Zhang, Haiyang Li, Huaxiang Wang,ChunhuiLi@tju.edu.cn,sunlijun@tju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 2,   Pages 141-286 doi: 10.1631/FITEE.1900558

Abstract: As an increasingly popular flow metering technology, exhibits high measurement accuracy under single-phase flow condition and is widely used in the industry. However, under complex flow conditions, such as two-phase flow, the measurement accuracy is greatly decreased due to various factors including improper signal processing methods. In this study, three s—the (QD) method, Hilbert method, and sliding discrete time Fourier transform method—are analyzed for their applications in processing sensor signals and providing measurement results under gas-liquid . Based on the analysis, specific improvements are applied to each method to deal with the signals under . For simulation, sensor signals under single- and s are established using a random walk model. The phase difference tracking performances of these three methods are evaluated in the simulation. Based on the digital signal processor, a converter program is implemented on its evaluation board. The converter program is tested under single- and s. The improved signal processing methods are evaluated in terms of the measurement accuracy and complexity. The QD algorithm has the best performance under the single-phase flow condition. Under the , the QD algorithm performs a little better in terms of the indication error and repeatability than the improved Hilbert algorithm at 160, 250, and 420 kg/h flow points, whereas the Hilbert algorithm outperforms the QD algorithm at the 600 kg/h flow point.

Keywords： Coriolis mass flowmeter     Digital signal processing method     Two-phase flow condition     Quadrature demodulation     Sliding discrete time Fourier transform (SDTFT)     Hilbert transform    

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EGG PRODUCTION IN CHINA: CURRENT STATUS AND OUTLOOK

Ning YANG

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 25-34 doi: 10.15302/J-FASE-2020363

Abstract: Eggs are one of the most nutritious and affordable animal products worldwide. From 1985, egg production in China has retained the leading place in the world. A total of 33 Mt of eggs were produced in 2019 representing ˃ 40% of the world total production. Egg production in China is characterized by diversity in several aspects, including layer breeds, products and production systems. New breeds and synthetic lines are developed to improve the genetic potentials of egg production and feed efficiency of layers. In the past, layer farms were run mostly by small households with 100 to 1000 layers per farm. Over the past decades, egg production in China has developed toward standardization and expansion of production systems, and many of these modern intensive farms raise millions of layers. Although the Chinese egg products maintain strong competitiveness over other animal products and imported egg products, the egg industry will grow at a slower pace compared to the past. Chinese consumers are more concerned about the quality and safety of eggs and egg products, as well as the environmental issues related to animal production, which presents challenges for the Chinese egg industry.

Keywords： poultry farms     China     diversity     egg production     trends    

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A New Real-time Detecting Method for Harmonic Current Based on Iterative Algorithm in Active Power Filter

Li Zicheng,Sun Yukun

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 46-50

Abstract: Based on the foundation of load current analysis, a new real-time detecting method for harmonic current

Keywords： active power filter     harmonics current     active current     reactive current    

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EGG PRODUCTION IN CHINA: CURRENT STATUS AND OUTLOOK

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 25-34

Abstract:

• China is now the largest egg production country worldwide

• Egg production in China is characterized by diversity in several aspects

• China is now capable of breeding new varieties, with more than 50% of the market share

• Policies have been implemented to ensure sustainable development of egg production

• Integrating crop-chicken-vegetable production system is established

 

Eggs are one of the most nutritious and affordable animal products worldwide. From 1985, egg production in China has retained the leading place in the world. A total of 33 Mt of eggs were produced in 2019 representing ˃ 40% of the world total production. Egg production in China is characterized by diversity in several aspects, including layer breeds, products and production systems. New breeds and synthetic lines are developed to improve the genetic potentials of egg production and feed efficiency of layers. In the past, layer farms were run mostly by small households with 100 to 1000 layers per farm. Over the past decades, egg production in China has developed toward standardization and expansion of production systems, and many of these modern intensive farms raise millions of layers. Although the Chinese egg products maintain strong competitiveness over other animal products and imported egg products, the egg industry will grow at a slower pace compared to the past. Chinese consumers are more concerned about the quality and safety of eggs and egg products, as well as the environmental issues related to animal production, which presents challenges for the Chinese egg industry.

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New method to determine optimum impedance of fault current limiters for symmetrical and/or asymmetrical None

Mahmoud MODARESI, Hamid LESANI

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2,   Pages 297-307 doi: 10.1631/FITEE.1601689

Abstract: To select the type and value of the impedance of fault current limiters (FCLs) for power network designersoptimization of FCL impedance is based on a goal function that maximizes the reduction of the fault current

Keywords： Fault current limiter (FCL)     FCL impedance     Short circuit current     Fault current     Power system    

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Current situation and development of wind power in China

BAO Nengsheng, NI Weidou

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 371-383 doi: 10.1007/s11708-007-0056-4

Abstract: The current development of wind power in China was presented in this paper.

Keywords： Xinjiang     current development     Mongolia Autonomous     southeast coastal     Autonomous    

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Circumcision of preschool boys in Baghdad, Iraq: prevalence, current practice and complications

Hussein Naji, Rajaa Mustafa

Frontiers of Medicine 2013, Volume 7, Issue 1,   Pages 122-125 doi: 10.1007/s11684-013-0242-x

Abstract: study is to assess the prevalence of circumcision in preschool boys and to present an overview of the current

Keywords： circumcision     children     prevalence     religious     complications    

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Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 546-565 doi: 10.1007/s11709-023-0943-4

Abstract: Scouring is one of the primary triggers of failure for bridges across rivers or seas. However, research concerning the scour mechanism of multi-wall foundations (MWFs) remains scarce, hindering the further application of MWFs. In this study, for the first time, the scouring effect caused by unidirectional flow around MWFs was examined numerically using FLOW-3D involving a large-eddy simulation. Initially, the applicability of the scouring model and input parameters was validated using a case study based on published measured data. Subsequently, the scouring effects of four MWFs with different wall arrangements and inflow angles, including the flow field analysis and scour pit and depth, were investigated thoroughly. It was found that the maximum scour depth of MWFs with an inflow angle of 0° was smaller than that of those with an inflow angle of 45°, regardless of the wall arrangement. Meanwhile, changing the inflow angle significantly affects the scour characteristics of MWFs arranged in parallel. In practical engineering, MWFs arranged in parallel are preferred considering the need for scouring resistance. However, a comparative analysis should be performed to consider comprehensively whether to adopt the form of a round wall arrangement when the inflow angle is not 0° or the inflow direction is changeable.

Keywords： multi-wall foundation     current-induced scour     bridge foundation     large-eddy simulation     numerical analysis    

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Effect of counter current gas phase on liquid film

Shujuan LUO, Huaizhi LI, Weiyang FEI, Yundong WANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 135-137 doi: 10.1007/s11705-009-0129-1

Abstract: The effect of counter current gas phase on the liquid film was taken into consideration.by 57% because of increasing liquid flow rate, while it decreased by 25% resulting from the counter current

Keywords： counter current     liquid film     two phases     structured packings    

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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: fault-tolerant control method for an input-series output-parallel modular grid-tied pulse-width modulation (PWM) currentThis method actively offsets the neutral point of the current space vector to ensure a sinusoidal outputof the grid current, and it can achieve the upper limit power of the inverter under the condition ofIn addition, an active damping control method based on grid harmonic current feedback is proposed aftersuppresses the resonance caused by the transformer and the modified modulation, improving the grid current

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

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Title Author Date Type Operation

The effects of mismatch fracture properties in encapsulation-based self-healing concrete using cohesive-zone

Luthfi Muhammad MAULUDIN, Chahmi OUCIF, Timon RABCZUK

Journal Article

A 0.20–2.43 GHz fractional-

Wei Zou, Daming Ren, Xuecheng Zou,weizou@hust.edu.cn,damingren@hust.edu.cn,estxczou@hust.edu.cn

Journal Article

Expression status of GATA3 and mismatch repair proteins in upper tract urothelial carcinoma

Yue Wang, Jinxia Zhang, Yunfan Wang, Shufang Wang, Yu Zhang, Qi Miao, Fei Gao, Huiying He

Journal Article

Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection layer

Journal Article

Effect of current density on groundwater arsenite removal performance using air cathode electrocoagulation

Journal Article

frequency synthesizer with optimized VCO and reduced current mismatch CP

Chunhui Li, Lijun Sun, Jiarong Liu, Yang Zhang, Haiyang Li, Huaxiang Wang,ChunhuiLi@tju.edu.cn,sunlijun@tju.edu.cn

Journal Article

EGG PRODUCTION IN CHINA: CURRENT STATUS AND OUTLOOK

Ning YANG

Journal Article

A New Real-time Detecting Method for Harmonic Current Based on Iterative Algorithm in Active Power Filter

Li Zicheng,Sun Yukun

Journal Article

EGG PRODUCTION IN CHINA: CURRENT STATUS AND OUTLOOK

Journal Article

New method to determine optimum impedance of fault current limiters for symmetrical and/or asymmetrical

Mahmoud MODARESI, Hamid LESANI

Journal Article

Current situation and development of wind power in China

BAO Nengsheng, NI Weidou

Journal Article

Circumcision of preschool boys in Baghdad, Iraq: prevalence, current practice and complications

Hussein Naji, Rajaa Mustafa

Journal Article

Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Journal Article

Effect of counter current gas phase on liquid film

Shujuan LUO, Huaizhi LI, Weiyang FEI, Yundong WANG

Journal Article

Fault tolerant control strategy for modular PWM current source inverter

Journal Article