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Research and Improvement of the Pipe Space Curve of High-speed Laying Head

Liu Hongmin,Yao Shuangji,Yang Lipo,Pang Zhifeng,Li Shuanglai,Liu Wubin,Yan Shengyou,Chu Jiandong

Strategic Study of CAE 2006, Volume 8, Issue 11,   Pages 80-85

Abstract:

For the working problems of laying head of high speed wire rod, choosing cubic spline function toforce model is used to analyze the state of the wire rod and research the curve´s effect on the layinghead.measured data, the bad working state is due to the sharply changed value of curvature of the pipe and the speedhead such as tail throwing is improved remarkably and the service life of single pipe doubles.

Keywords： high speed laying head     pipe of loop laying head     space curve    

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Phytate and phosphorus utilization by broiler chickens and laying hens fed maize-based diets

Qiugang MA, Markus RODEHUTSCORD, Moritz NOVOTNY, Lan LI, Luqing YANG

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 380-387 doi: 10.15302/J-FASE-2019276

Abstract: Maize has relatively high phytate-P content and very low intrinsic phytase activity.Broiler chickens and laying hens have the potential to degrade phytate in the gastrointestinal tract,but this is depressed by high dietary Ca and P concentrations.Published values of phytate degradation in broilers are overall higher than those in laying hens.The exogenous supplementation of microbial phytases and the introduction of transgenic high phytase maize

Keywords： broiler     ducks     high phytase maize     laying hens     low phytate maize     phytase     turkeys    

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Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 463-482 doi: 10.15302/J-FEM-2017054

Abstract: This paper considers multiple perspectives to explore the concept of high-speed railway (HSR), rationallyThis paper analyzes the governance potential of major countries in the high-speed railway value chainand studies the feasible ways and development strategies to enhance the high-speed railway governanceSecond, the high-speed railway standard output has become the core competitiveness that embodies high-speedThird, the global high-speed railway market presents a hierarchical high-speed railway governance model

Keywords： high-speed railway value     communication value     high-speed railway value governance     governance path upgrade    

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CR-Fuxing high-speed EMU series

Frontiers of Engineering Management   Pages 742-748 doi: 10.1007/s42524-023-0281-1

Abstract: CR-Fuxing high-speed EMU series

Keywords： CR-Fuxing series     high-speed EMU     innovation     key system     digitalized collaborative design     engineering    

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Exploration on Engineering Management Practice of China’s High Speed Railways

Yong-fu Sun

Frontiers of Engineering Management 2014, Volume 1, Issue 3,   Pages 232-240 doi: 10.15302/J-FEM-2014043

Abstract: paper explores the principal motivations and successful experiences of the rapid development of China’s highspeed railway.Under the overall coordination of the government, a high speed railway technology system has been formedThe target control system and support-guarantee system were established for the high speed railway projectspeed railway.

Keywords： high speed railway     engineering management     practice     innovation    

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Development of an analytical model to estimate the churning losses in high-speed axial piston pumps

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-021-0671-1

Abstract: The axial piston pumps in aerospace applications are often characterized by high-speed rotation to achieveduring operation, leading to considerable churning losses (more than 10% of total power losses) at highThe churning losses deserve much attention at the design stage of high-speed axial piston pumps, butThe presented analytical model provides practical guidelines for reducing the churning losses in high-speed

Keywords： axial piston pump     rotating parts     high rotational speed     churning losses     drag torque    

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Comprehensive measurement and evaluation system of high-speed motorized spindle

Dashuai ZHOU, Liangsheng WU, Yichuan XIAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 263-269 doi: 10.1007/s11465-011-0217-z

Abstract: The high-speed motorized spindle is the most critical part and becoming more widely used in the machinetool at present, and its precision may affect the overall performance of high-speed cutting.Most of the studies on high-speed cutting are focused on the cutting force, the vibration of the spindleof the spindle’s thermal deformations; hence, how to roundly measure and objectively evaluate high-speedThis paper presents a comprehensive measurement and evaluation system of high-speed motorized spindle

Keywords： high-speed motorized spindle     comprehensive prope rties     evaluation system    

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Technical studies on high-speed turnouts for china railways

He Huawu

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 23-30

Abstract:

High-speed turnout serves as a vital part of track structure for high-speedIn this paper, design parameters and linear plane of high-speed turnout, main structure characteristicsof components (including fastening, turnout sleeper, switching system etc.), design theories of high-speedwill offer remarkable guiding significance for the further R&D, test, verification and wide-use of high-speed

Keywords： high-speed railway     high-speed turnout     technical studies    

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Interactive effects of high-speed rail on nodal zones in a city: exploratory study on China

Guo LIU, Kunhui YE

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 327-335 doi: 10.1007/s42524-019-0051-2

Abstract: The arrival of the high-speed rail (HSR) era has accelerated the pace of urban development, but its broad

Keywords： high-speed rail     nodal zone     interactive effects     sustainable urbanization     China    

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Case modifying of high-speed cutting database based on CSP and similarity theory

Kejun XIANG, Zhanqiang LIU, Xing AI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 83-87 doi: 10.1007/s11465-009-0014-0

Abstract: By analyzing the reasoning of a high-speed cutting database system, a case modifying method is put forwardOn the basis of the high-speed cutting theory, a similarity calculation formula is deduced to calculatesimilarity calculation are applied to case modifying, which is possible to automatically modify cases in the high-speed

Keywords： high-speed cutting database     case modifying     CSP     similarity calculation    

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Being good or being known: International reputation of high-speed railway enterprises

Frontiers of Engineering Management   Pages 455-466 doi: 10.1007/s42524-023-0250-8

Abstract: With fierce competition in the global high-speed railway (HSR) market, international reputation has become

Keywords： high-speed railway     international reputation     being good     being known     structural equation modeling    

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Development progress of China’s 600 km/h high-speed magnetic levitation train

Frontiers of Engineering Management 2022, Volume 9, Issue 3,   Pages 509-515 doi: 10.1007/s42524-022-0199-z

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Keywords： 600 km/h high-speed magnetic levitation train     development history     technological innovation    

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Integrated slipper retainer mechanism to eliminate slipper wear in high-speed axial piston pumps

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0657-z

Abstract: The power density of axial piston pumps can greatly benefit from increasing the speed level.axial piston pumps are exposed to continuous sliding on the swash plate, suffering from serious wear at highTherefore, this paper presents a new integrated slipper retainer mechanism for high-speed axial pistonspecific slipper retainer mechanism, and experiments were carried out on a pump prototype operating at highrotational speed up to 10000 r/min.

Keywords： axial piston pump     high speed     slipper wear     slipper design     retainer     lubrication model    

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Machine learning for fault diagnosis of high-speed train traction systems: A review

Frontiers of Engineering Management doi: 10.1007/s42524-023-0256-2

Abstract: High-speed trains (HSTs) have the advantages of comfort, efficiency, and convenience and have gradually

Keywords： high-speed train     traction systems     machine learning     fault diagnosis    

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Innovation evolution of China’s high-speed rail industry

Jin CHEN, Liang MEI

Frontiers of Engineering Management 2018, Volume 5, Issue 4,   Pages 548-552 doi: 10.15302/J-FEM-2018208

Abstract:
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Title Author Date Type Operation

Research and Improvement of the Pipe Space Curve of High-speed Laying Head

Liu Hongmin,Yao Shuangji,Yang Lipo,Pang Zhifeng,Li Shuanglai,Liu Wubin,Yan Shengyou,Chu Jiandong

Journal Article

Phytate and phosphorus utilization by broiler chickens and laying hens fed maize-based diets

Qiugang MA, Markus RODEHUTSCORD, Moritz NOVOTNY, Lan LI, Luqing YANG

Journal Article

Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Journal Article

CR-Fuxing high-speed EMU series

Journal Article

Exploration on Engineering Management Practice of China’s High Speed Railways

Yong-fu Sun

Journal Article

Development of an analytical model to estimate the churning losses in high-speed axial piston pumps

Journal Article

Comprehensive measurement and evaluation system of high-speed motorized spindle

Dashuai ZHOU, Liangsheng WU, Yichuan XIAO

Journal Article

Technical studies on high-speed turnouts for china railways

He Huawu

Journal Article

Interactive effects of high-speed rail on nodal zones in a city: exploratory study on China

Guo LIU, Kunhui YE

Journal Article

Case modifying of high-speed cutting database based on CSP and similarity theory

Kejun XIANG, Zhanqiang LIU, Xing AI

Journal Article

Being good or being known: International reputation of high-speed railway enterprises

Journal Article

Development progress of China’s 600 km/h high-speed magnetic levitation train

Journal Article

Integrated slipper retainer mechanism to eliminate slipper wear in high-speed axial piston pumps

Journal Article

Machine learning for fault diagnosis of high-speed train traction systems: A review

Journal Article

Innovation evolution of China’s high-speed rail industry

Jin CHEN, Liang MEI

Journal Article