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Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 265-278 doi: 10.1007/s11465-017-0453-y

Abstract: These parallelograms are serially connected for a large travel range and a high out-of-plane payloadThe stage has a travel range of 4.4 mm× 7.0 mm and a 0.16% area ratio of workspace to the outer

Keywords： mechatronic design     linear compliant positioning stage     large travel range     high out-of-plane payload capacity    

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Understanding network travel time reliability with on-demand ride service data

Xiqun (Michael) CHEN, Xiaowei CHEN, Hongyu ZHENG, Chuqiao CHEN

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 388-398 doi: 10.15302/J-FEM-2017046

Abstract: Travel time reliability is of increasing importance for travelers, shippers, and transportation managersTo better evaluate the urban network-wide travel time reliability, five indices based on the emergingon-demand ride service data are proposed: network free flow time rate (NFFTR), network travel time rateThese indices take into account the probability distribution of the travel time rate (i.e., travel timeof the road network traffic dynamics and day-to-day travel time variations.

Keywords： network travel time reliability     on-demand ride services     travel time rate     OD    

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Appraisal of coastal recreational resources in Qingdao by travel cost method

Jingmei LI , Tieying LIU , Yuanyuan ZHANG , Lei LI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 341-347 doi: 10.1007/s11783-009-0038-z

Abstract: This paper serves to appraise the monetary cost of coastal recreational resources in Qingdao using the travelThese questionnaires establish correlation functions that factor in the number of tourists, travel expenseswas used to determine the tourist demand regression curve and to calculate their residual and actual travel

Keywords： coastal recreational resources     travel cost method (TCM)     regression analysis     Qingdao     China    

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Range of ecological impact of highway construction in the Longitudinal Range-Gorge Region, China

Jie LIU, Fan CHEN, Haiqing GENG, Xinxin QIU, Binbin CAI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 349-360 doi: 10.1007/s11783-010-0027-2

Abstract: species to protect, a method of ecosystem health assessment was introduced to calculate the overall rangeFor the road sections having plants or soils of interest, indexes were selected and the range of impactThe range of impact on animal populations was also discussed in terms of the minimum living areas requiredthe zones impacted by highway construction were composed of both regular and anomalous figures, the rangefactors of farmland was greater than 200 m, and the distance may exceed 1000 m when important large

Keywords： range of impact     quantitative analysis     highway construction     Longitudinal Range-Gorge Region    

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Two Ways Pseudo Range Time Synchronization for Navigation Satellite Clock

Tan Shusen

Strategic Study of CAE 2006, Volume 8, Issue 12,   Pages 70-74

Abstract:

Aiming at the demand of time synchronization, the navigation satellite two-way clock pseudo rangeIn the second section two way pseudo range time synchronization theory was introduced, that is to getIn the third sections pseudo range time synchronization ways introduced.In the fourth, fifth and sixth section of the paper, two way radio pseudo range(TWRPr), two way laserpseudo range(TWLPr) ,two way satellite-relay pseudo range (TWSrPr), and two way earth-relay pseudo range

Keywords： navigation satellite     pseudo range     time synchronization    

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Middle East respiratory syndrome coronavirus: current situation and travel-associated concerns

Jaffar A. Al-Tawfiq,Ali S. Omrani,Ziad A. Memish

Frontiers of Medicine 2016, Volume 10, Issue 2,   Pages 111-119 doi: 10.1007/s11684-016-0446-y

Abstract: Most MERS-CoV cases were secondary to large outbreaks in healthcare settings.Travel-associated MERS infection remains low.However, the virus exhibited a clear tendency to cause large outbreaks outside the Arabian PeninsulaIn this review, we summarize the current knowledge about MERS-CoV and highlight travel-related issues

Keywords： coronavirus     MERS     Middle East respiratory syndrome    

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Applying the multi-zone model in predicting the operating range of HCCI engines

Ming JIA, Maozhao XIE, Zhijun PENG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 414-423 doi: 10.1007/s11708-010-0108-8

Abstract: In this paper, a multi-zone model is developed to predict the operating range of homogeneous charge compressionThe boundaries of the operating range were determined by knock (presented by ringing intensity), partialFurthermore, the model was applied to predict the operating range of the HCCI engine under differentThe potential to extend the operating range of the HCCI engine through two strategies, i.e., variableHigher intake temperatures and lower compression ratios can also extend the high load range.

Keywords： homogeneous charge compression ignition (HCCI) engine     multi-zone     operating range    

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Accelerated degradation of orange G over a widepH range in the presence of FeVO

Xiaoxia Ou, Jianfang Yan, Fengjie Zhang, Chunhua Zhang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1013-3

Abstract: ,the narrow working pH range.

Keywords： Azo dye     Degradation     FeVO4     Kinetics     Advanced oxidation processes    

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A Large Range Flexure-Based Servo System Supporting Precision Additive Manufacturing

Zhen Zhang, Peng Yan, Guangbo Hao

Engineering 2017, Volume 3, Issue 5,   Pages 708-715 doi: 10.1016/J.ENG.2017.05.020

Abstract:

This paper presents the design, development, and control of a large range beam flexure-based nanothis process, a compact desktop-size beam flexure-based nanopositioner was designed with millimeter rangeThe servo system has both a millimeter operating range and a root mean square (RMS) tracking error of

Keywords： Precision additive manufacturing.Micro-stereolithography.Nanopositioning.Beam flexure    

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Supersonic Travel Seeks an Encore

Sean O´Neill,

Engineering 2022, Volume 10, Issue 3,   Pages 1-3 doi: 10.1016/j.eng.2022.01.004

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Future urban transport management

Frontiers of Engineering Management   Pages 534-539 doi: 10.1007/s42524-023-0255-3

Abstract: Based on a wide range of previous projects by the consortium on urban mobility and sustainable cities

Keywords： future urban transport management     travel behavior characteristics     transportation operations     transportation    

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Kd-tree and quad-tree decompositions for declustering of 2D range queries over uncertain space

Ahmet SAYAR,Süleyman EKEN,Okan ÖZTÜRK

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 2,   Pages 98-108 doi: 10.1631/FITEE.1400165

Abstract: The key challenge is how to balance the spatial processing load across a large number of worker nodes

Keywords： Kd tree     Quad tree     Space partitioning     Spatial indexing     Range queries     Query optimization    

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Near range millimeter wave synthetic aperture radiometer passive range measurement

Wang Benqing,Li Xingguo

Strategic Study of CAE 2010, Volume 12, Issue 3,   Pages 95-99

Abstract:

The Particle Swarm Optimization (PSO) is an evolutionary computation, which not only can search solutions randomly and fully, but also is convenient to be carried out. Hence, the article focuses on the application of PSO to the multiple-objective coordination optimization of project, looking forward to seeking best solutions easily and quickly. After introducing the basic theory of the algorithms and its several versions, the article aims at the efficiency coefficient of quality, cost, time and resource subsystem, and set up a multiple optimization coordination model. In the following part, the article introduces how to apply PSO to solve the project coordination optimization problem in detail. The numeric example followed indicates that PSO can solve the multiple-objectives coordination optimization problem of project exactly and quickly.

Keywords： Particle Swarm Optimization (PSO)     project management     efficiency coefficient of coordination     multiple optimization coordination model     numeric example    

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An experimental study for optimization of high range water reducing superplasticizer in self compacting

Rahul DUBEY, Pardeep KUMAR

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 62-71 doi: 10.1007/s11709-013-0192-z

Abstract: Concrete is extensively used construction material in the infrastructure development industry. With increase in technical knowhow, the need of research for high performance concretes such as self-compacting concrete (SCC) has increased in the last decade. The adaptability of SCC is due to its fluidic behavior in fresh state. However, to develop SCC using indigenous materials, the lack of standardized mix design procedures is the biggest impediment. Although with the advent of chemical admixtures, it is possible to achieve concrete with high fluidity, but at the same time durability issues require more attention. To have these fresh state properties SCC mixes are typically designed with high powder contents, and chemical admixtures. Proportioning and optimization of these materials is a key issue in the mix design of SCC. This paper focuses mainly on experimental study to optimize dosages of superplasticizer for mortar of SCC and then in concrete mixture itself.

Keywords： self-compacting concrete (SCC)     fresh properties     superplasticizer     optimization     compressive strength    

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Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords： Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

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Title Author Date Type Operation

Mechatronic design of a novel linear compliant positioning stage with large travel range and high out-of-plane

Hua LIU, Xin XIE, Ruoyu TAN, Lianchao ZHANG, Dapeng FAN

Journal Article

Understanding network travel time reliability with on-demand ride service data

Xiqun (Michael) CHEN, Xiaowei CHEN, Hongyu ZHENG, Chuqiao CHEN

Journal Article

Appraisal of coastal recreational resources in Qingdao by travel cost method

Jingmei LI , Tieying LIU , Yuanyuan ZHANG , Lei LI ,

Journal Article

Range of ecological impact of highway construction in the Longitudinal Range-Gorge Region, China

Jie LIU, Fan CHEN, Haiqing GENG, Xinxin QIU, Binbin CAI,

Journal Article

Two Ways Pseudo Range Time Synchronization for Navigation Satellite Clock

Tan Shusen

Journal Article

Middle East respiratory syndrome coronavirus: current situation and travel-associated concerns

Jaffar A. Al-Tawfiq,Ali S. Omrani,Ziad A. Memish

Journal Article

Applying the multi-zone model in predicting the operating range of HCCI engines

Ming JIA, Maozhao XIE, Zhijun PENG,

Journal Article

Accelerated degradation of orange G over a widepH range in the presence of FeVO

Xiaoxia Ou, Jianfang Yan, Fengjie Zhang, Chunhua Zhang

Journal Article

A Large Range Flexure-Based Servo System Supporting Precision Additive Manufacturing

Zhen Zhang, Peng Yan, Guangbo Hao

Journal Article

Supersonic Travel Seeks an Encore

Sean O´Neill,

Journal Article

Future urban transport management

Journal Article

Kd-tree and quad-tree decompositions for declustering of 2D range queries over uncertain space

Ahmet SAYAR,Süleyman EKEN,Okan ÖZTÜRK

Journal Article

Near range millimeter wave synthetic aperture radiometer passive range measurement

Wang Benqing,Li Xingguo

Journal Article

An experimental study for optimization of high range water reducing superplasticizer in self compacting

Rahul DUBEY, Pardeep KUMAR

Journal Article

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:

Journal Article