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Esophageal pulse oximetry is more accurate and detects hypoxemia earlier than conventional pulse oximetry

Guo Chen, Zhaoqiong Zhu*, Jin Liu, Wei Wei

Frontiers of Medicine 2012, Volume 6, Issue 4,   Pages 406-410 doi: 10.1007/s11684-012-0217-3

Abstract: esophagus is perfused directly by prominent arteries and may provide a more consistent tissue source for pulseThe goal of this study was to evaluate the sensitivity and accuracy of an esophageal pulse oximetry probeon patients during controlled hypoxemia in comparison to measurements obtained with conventional pulsesub> is more accurate and enables earlier detection of hypoxemia when compared to conventional pulse

Keywords： esophageal pulse oximetry     conventional pulse oximetry     hypoxemia    

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A scheduling method based on a hybrid genetic particle swarm algorithm for multifunction phased array radar Article

Hao-wei ZHANG, Jun-wei XIE, Wen-long LU, Chuan SHENG, Bin-feng ZONG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1806-1816 doi: 10.1631/FITEE.1601358

Abstract: A hybrid optimization approach combining a particle swarm algorithm, a genetic algorithm, and a heuristic inter-leaving algorithm is proposed for scheduling tasks in the multifunction phased array radar. By optimizing parameters using chaos theory, designing the dynamic inertia weight for the particle swarm algorithm as well as introducing crossover operation and mutation operation of the genetic algorithm, both the efficiency and exploration ability of the hybrid algorithm are improved. Under the frame of the intelligence algorithm, the heuristic interleaving scheduling algorithm is presented to further use the time resource of the task waiting duration. A large-scale simulation demonstrates that the proposed algorithm is more robust and effi-cient than existing algorithms.

Keywords： Phased array radar     Scheduling     Particle swarm algorithm     Genetic algorithm     Pulse interleave    

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Improvement in growth yield of single-walled carbon nanotubes with narrow chirality distribution by pulse

Bin Xu, Toshiro Kaneko, Toshiaki Kato

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 485-492 doi: 10.1007/s11705-019-1831-2

Abstract: A pulse plasma chemical vapor deposition (CVD) technique was developed for improving the growth yieldThe growth yield of the SWNTs could be improved by repetitive short duration pulse plasma CVD, whileDetailed growth dynamics is discussed based on a systematic investigation by changing the pulse parametersThe nucleation can be controlled by adjusting the pulse on/off time ratio and the total processing time

Keywords： single-walled carbon nanotubes     chirality-controlled synthesis     pulse plasma chemical vapor deposition    

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A modified pulse charging method for lithium-ion batteries by considering stress evolution, charging

Yanfei ZHAO, Bo LU, Yicheng SONG, Junqian ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 294-302 doi: 10.1007/s11709-018-0460-z

Abstract: The stress evolution, total charging time and capacity utilization of pulse charging (PC) method are

Keywords： fast charging method     pulse charging     stress evolution     charging time     capacity utilization    

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Characteristics and energy distribution of modulated multi-pulse injection modes based diesel HCCI combustion

LIU Bin, SU Wanhua, WANG Hui, HUANG Haozhong

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 420-427 doi: 10.1007/s11708-007-0061-7

Abstract: in-cylinder diesel homogenous charge compression ignition (HCCI) combustion organized by modulated multi-pulse

Keywords： combustion     compression     homogenous     in-cylinder     modulated multi-pulse    

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High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 293-296 doi: 10.1007/s11465-007-0051-5

Abstract: process of machining ultrathin metal structure parts, the signal composition of high frequency group pulsethe influence of frequency to reverse current, and the design of the cathode in high frequency group pulseThe machining quality is obviously improved by increasing the main pulse frequency.High frequency group pulse electrochemical machining can be successfully used in machining micro-parts

Keywords： HGPECM     process     machining quality     passivation     inter-electrode    

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Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Frontiers of Structural and Civil Engineering   Pages 855-869 doi: 10.1007/s11709-023-0972-z

Abstract: Fifteen seismic records were considered and categorized as far-field, pulse-like near-field, and non-pulse-likeAccording to the results, pulse-like near-field events are more damaging than non-pulse-like near-field

Keywords： masonry arch bridges     seismic behavior     modal properties     pulse-like records     nonlinear time history    

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A driving pulse edge modulation technique and its complex programming logic devices implementation

Xiao CHEN,Dong-chang QU,Yong GUO,Guo-zhu CHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 12,   Pages 1088-1098 doi: 10.1631/FITEE.1500111

Abstract: This paper describes a new technique of driving pulse edge modulation for insulated gate bipolar transistorsBy modulating the density and width of the pulse trains, without regulating the hardware circuit, the

Keywords： Driving pulse edge modulation     Switching voltage spike     Complex programmable logic device (CPLD)     Active    

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Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 516-526 doi: 10.1007/s11708-022-0844-6

Abstract: A two-stage gas-coupled Stirling/pulse tube refrigerator (SPR), whose first and second stages respectivelyinvolve Stirling and pulse tube refrigeration cycles, is a very promising spaceborne refrigerator.

Keywords： Stirling/pulse tube refrigerator     displacer displacement     space application     phase shift     energy distribution    

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A novel soft-switching twin arc pulse MAG welding inverter

WANG Zhenmin, XUE Jiaxiang, WANG Fuguang, HUANG Shisheng

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 224-227 doi: 10.1007/s11465-007-0039-1

Abstract: The high-speed double wire pulse metal gas arc (MAG) welding process possesses advantages of automationTo meet the requirements of the double wire pulse MAG welding process, a novel double wire pulse MAG

Keywords： high-speed     control     computer     experiment indicate     platform    

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Three-dimensional numerical simulation of the basic pulse tube refrigerator

DING Wenjing, GONG Liang, HE Yaling, TAO Wenquan

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 48-53 doi: 10.1007/s11708-008-0008-3

Abstract: A three-dimensional physical and numerical model of the basic pulse tube refrigerator (PTR) was developedThe compressible and oscillating fluid flow and heat transfer phenomenon in the pulse tube were numericallyThe variations of velocity and temperature distributions in the pulse tube were also analyzed in detail

Keywords： refrigeration mechanism     three-dimensional     compressible     numerical     understanding    

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New definition of metabolic dysfunction-associated fatty liver disease with elevated brachial-ankle pulse

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 714-722 doi: 10.1007/s11684-021-0888-8

Abstract: discordance from non-alcoholic fatty liver disease (NAFLD), with the progression of elevated brachial-ankle pulse

Keywords： dysfunction-associated fatty liver disease     non-alcoholic fatty liver disease     fibrosis score     brachial-ankle pulse    

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Theoretical modeling and experimental verifications of the single-compressor-driven three-stage Stirling-type pulse

Haizheng DANG, Dingli BAO, Zhiqian GAO, Tao ZHANG, Jun TAN, Rui ZHA, Jiaqi LI, Ning LI, Yongjiang ZHAO, Bangjian ZHAO

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 450-463 doi: 10.1007/s11708-018-0569-8

Abstract: paper establishes a theoretical model of the single-compressor-driven (SCD) three-stage Stirling-type pulse

Keywords： single-compressor-driven     three-stage     Stirling-type pulse tube cryocooler     theoretical modeling     experimental    

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Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulses and pulse

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 1-11 doi: 10.1007/s11708-012-0179-9

Abstract: vaporization and resolidification processes of thin gold film irradiated by femtosecond pulses and pulseThe parameters in discussion included film thickness, laser fluence, pulse duration, pulse number, repetitionrate, pulse train number, etc.

Keywords： melting     evaporation     nucleation dynamics     nanoscale heat transfer    

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Performance improvement of a pulse tube cryocooler with a single compressor through cascade utilization

Xuming LIU, Xiafan XU, Biao YANG, Xiaotong XI, Liubiao CHEN, Junjie WANG, Yuan ZHOU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 345-357 doi: 10.1007/s11708-020-0708-x

Abstract: The high-frequency pulse tube cryocooler (HPTC) has been attracting increasing and widespread attention

Keywords： radiation heat leakage     active thermal insulation     cascade utilization     cold energy     performance improvement     cryocooler    

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Title Author Date Type Operation

Esophageal pulse oximetry is more accurate and detects hypoxemia earlier than conventional pulse oximetry

Guo Chen, Zhaoqiong Zhu*, Jin Liu, Wei Wei

Journal Article

A scheduling method based on a hybrid genetic particle swarm algorithm for multifunction phased array radar

Hao-wei ZHANG, Jun-wei XIE, Wen-long LU, Chuan SHENG, Bin-feng ZONG

Journal Article

Improvement in growth yield of single-walled carbon nanotubes with narrow chirality distribution by pulse

Bin Xu, Toshiro Kaneko, Toshiaki Kato

Journal Article

A modified pulse charging method for lithium-ion batteries by considering stress evolution, charging

Yanfei ZHAO, Bo LU, Yicheng SONG, Junqian ZHANG

Journal Article

Characteristics and energy distribution of modulated multi-pulse injection modes based diesel HCCI combustion

LIU Bin, SU Wanhua, WANG Hui, HUANG Haozhong

Journal Article

High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Journal Article

Performance-based seismic assessment of a historical masonry arch bridge: Effect of pulse-like excitations

Journal Article

A driving pulse edge modulation technique and its complex programming logic devices implementation

Xiao CHEN,Dong-chang QU,Yong GUO,Guo-zhu CHEN

Journal Article

Energy distribution between liquid hydrogen and liquid oxygen temperatures in a Stirling/pulse tube refrigerator

Journal Article

A novel soft-switching twin arc pulse MAG welding inverter

WANG Zhenmin, XUE Jiaxiang, WANG Fuguang, HUANG Shisheng

Journal Article

Three-dimensional numerical simulation of the basic pulse tube refrigerator

DING Wenjing, GONG Liang, HE Yaling, TAO Wenquan

Journal Article

New definition of metabolic dysfunction-associated fatty liver disease with elevated brachial-ankle pulse

Journal Article

Theoretical modeling and experimental verifications of the single-compressor-driven three-stage Stirling-type pulse

Haizheng DANG, Dingli BAO, Zhiqian GAO, Tao ZHANG, Jun TAN, Rui ZHA, Jiaqi LI, Ning LI, Yongjiang ZHAO, Bangjian ZHAO

Journal Article

Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulses and pulse

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Journal Article

Performance improvement of a pulse tube cryocooler with a single compressor through cascade utilization

Xuming LIU, Xiafan XU, Biao YANG, Xiaotong XI, Liubiao CHEN, Junjie WANG, Yuan ZHOU

Journal Article