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Role of stair-climbing test in predicting postoperative cardiopulmonary complications in elderly patients

Pei-Tu REN BM, Bao-Chun LU MM, Zhi-Liang CHEN MM, Hong FU MM,

Frontiers of Medicine 2010, Volume 4, Issue 1, Pages 77-81 doi: 10.1007/s11684-010-0005-x

Abstract: All patients performed a preoperative stair-climbing test, and the risks for cardiopulmonary €complicationswere evaluated with pair-matching and linear correlations analysis between stair-climbing height (h)There was a significant difference in the incidence of cardiopulmonary complications among different stair-climbingStair-climbing heights were positively related with EF, FVC and FEV.This suggests that the stair-climbing test is an effective and simple method for predicting cardiopulmonary

Keywords： biliary disease cardiopulmonary complication stair-climbing test

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Innovative stair climber using associated wheels

Girish Sudhir MODAK,Manmohan Manikrao BHOOMKAR

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3, Pages 299-310 doi: 10.1007/s11465-016-0374-1

Abstract: Different versions, such as staircase-climbing wheelchair or staircase-climbing trolley for materialThus, this platform is conveniently applicable in the configurations useful for climbing staircases.

Keywords： stair-climbing platform matching wheels impaired mobility affordable configuration

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The design of gear rack climbing type ship lift of Three Gorges Project

Niu Xingqiang,Tan Liming,Yu Qingkui

Strategic Study of CAE 2011, Volume 13, Issue 7, Pages 96-103

Abstract: After scheme comparison, the gear rack climbing type ship lift is selected, which is characterized byThe general layout of gear rack climbing type ship lift, as well as the design schemes and key techniques

Keywords： ship lift climbing type safety mechanism synchronized stroke

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Construction technology of Three Gorges Project ship lift hydraulic self-climbing formwork

Dai Zhiqing

Strategic Study of CAE 2013, Volume 15, Issue 9, Pages 22-26

Abstract: In order to ensure the construction progress and quality, the hydraulic self-climbing formwork is usedThis paper focuses on the construction technology of hydraulic self-climbing formwork, improvement measuresof self-climbing formwork as well as structural measures made in the plate girders and corbels departmentof tower to meet the rising-up of self-climbing formwork on Three Gorges Project ship lift tower columnIt has been found that application and improvement of the hydraulic self-climbing formwork construction

Keywords： tower concrete hydraulic self-climbing formwork concrete pouring Three Gorges Project ship lift

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Learning from biological attachment devices: applications of bioinspired reversible adhesive methods in robotics

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0699-x

Abstract: The following section provides a systematic overview of climbing robots with bioinspired attachment devices

Keywords： adhesion bioinspired attachment biomimetic gripper climbing robot

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A novel gradient climbing control for seeking the best communication point for data collection from a Research Papers

Jiu-cai JIN, Jie ZHANG, Zhi-chao LV

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 6, Pages 751-759 doi: 10.1631/FITEE.1700732

Abstract: As far as we know, extremum seeking based on climbing control is usually implemented by multiple vehiclesA controller for seeking the best UAC’s point of the USV is designed using gradient climbing and artificial

Keywords： Unmanned surface vehicle Data collection Underwater acoustic communication Gradient climbing Extremum

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Evacuation strategies for vertical ship lift during initial fire: Integrated application of stairs and elevators

Shu CHEN, Menghan SHANG, Jianping WANG

Frontiers of Engineering Management 2021, Volume 8, Issue 1, Pages 135-147 doi: 10.1007/s42524-020-0125-1

Abstract: of evacuees and exit selection are the main influencing factors of the total evacuation time in the stair

Keywords： vertical ship lift initial fire fire evacuation numerical simulation stair elevator

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Mechanical performance analysis and stiffness test of a new type of suspension bridge

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1160-1180 doi: 10.1007/s11709-021-0760-6

Abstract: A stiffness test was carried out on the new type of suspension bridge with a small span, and the results

Keywords： new type of suspension bridge stiffness test mechanical performance railway bridge space truss

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Mixed mode properties of CNT reinforced composites using Arcan test rig

Jacob MUTHU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4, Pages 397-404 doi: 10.1007/s11709-015-0321-y

Abstract: Composite materials reinforced with carbon nanotubes were mechanical tested using Arcan test rig underArcan test rig was designed and fabricated to work with the Shimadzu testing machine.

Keywords： CNT composites Arcan test rig stress intensity factor

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Accelerated life-time test of MEA durability under vehicle operating conditions in PEM fuel cell

Tian TIAN, Jianjun TANG, Wei GUO, Mu PAN

Frontiers in Energy 2017, Volume 11, Issue 3, Pages 326-333 doi: 10.1007/s11708-017-0489-z

Abstract: In this paper, a novel accelerated test method was proposed to analyze the durability of MEA, considering

Keywords： polymer electrolyte membrane fuel cell accelerated life-time test load cycling test durability

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XB High Accuracy Rocket Sled Test Track

Yang Xingbang

Strategic Study of CAE 2000, Volume 2, Issue 10, Pages 98-104

Abstract:

Rocket sled test track is a large ground dynamic simulating test facility.China has successfully built the world ´s only track —XB high accuracy rocket sled test track

Keywords： rocket sled test track ground dynamic simulating test

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Application of metal magnetic memory test in failure analysis and safety evaluation of vessels

Yiliang ZHANG, Song YANG, Xuedong XU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1, Pages 40-48 doi: 10.1007/s11465-009-0003-3

Abstract: Metal magnetic memory test (MMMT), which is a new subject in the field of nondestructive examination,MMMT and other test methods are applied in the study to put a propylene purifier of a temperature-jump

Keywords： Metal magnetic memory test (MMMT) nondestructive testing (NDT) residual stress propylene purifier ammonia

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Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2, Pages 222-226 doi: 10.1007/s11709-017-0423-9

Abstract: Currently, there is no test to quantify the timing of return to traffic.In this study, the “Raveling test of cold mixed bituminous emulsion samples” (ASTM D7196) was used toRaveling test data was collected from 0 to 48 hours of curing, however, samples were often not able to

Keywords： raveling full depth reclamation

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Prediction of the shear wave velocity

Amoroso SARA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1, Pages 83-92 doi: 10.1007/s11709-013-0234-6

Abstract: The paper examines the correlations to obtain rough estimates of the shear wave velocity from non-seismic dilatometer tests (DMT) and cone penetration tests (CPT). While the direct measurement of is obviously preferable, these correlations may turn out useful in various circumstances. The experimental results at six international research sites suggest that the DMT predictions of from the parameters (material index), (horizontal stress index), (constrained modulus) are more reliable and consistent than the CPT predictions from (cone resistance), presumably because of the availability, by DMT, of the stress history index .

Keywords： horizontal stress index shear wave velocity flat dilatometer test cone penetration test

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Model test and discrete element method simulation of shield tunneling face stability in transparent clay

Huayang LEI, Yajie ZHANG, Yao HU, Yingnan LIU

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1, Pages 147-166 doi: 10.1007/s11709-020-0704-6

Abstract: clay with properties similar to those of Tianjin clay is prepared and a new transparent clay model testapparatus is developed to overcome the “black box” problem in the traditional model test.

Keywords： shield tunneling face stability transparent clay model test numerical simulation