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Correlation between tension softening relation and crack extension resistance in concrete

Xiufang ZHANG , Shilang XU ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 323-329 doi: 10.1007/s11709-009-0041-2

Abstract: fracture energy consumption with crack propagation can be described by a crack extension resistance curvebehavior in concrete was used to develop a new fracture criterion, the crack extension resistance curveThe crack extension resistance is then a function of the softening curve, which is a basic mechanicalThe relationship between the softening curve and the crack extension resistance curve is then analyzedrelated to the characteristic point on used tension softening curve.

Keywords： concrete     fracture process zone     crack extension GR resistance     tension softening curve    

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Behavior of dam concrete under biaxial compression-tension and triaxial compression-compression-tension

WANG Huailiang, SONG Yupu

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 323-328 doi: 10.1007/s11709-008-0043-5

Abstract: Specimens subjected to biaxial compression-tension (C-T) and triaxial compression-compression-tensioncorresponding wet-screened concrete small specimens, but the initial tangent modulus of the stress-strain curve

Keywords： requirement     wet-screened concrete     compression-tension     maximum aggregate     principal    

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Is there an inverted U-shaped curve?Empirical analysis of the Environmental Kuznets Curve in agrochemicals

Fei LI,Suocheng DONG,Fujia LI,Libiao YANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 276-287 doi: 10.1007/s11783-014-0700-y

Abstract: cointegration, and panel-based dynamic ordinary least squares to investigate the Environmental Kuznets CurveThis relationship takes on the inverted U-shaped Environmental Kuznets Curve, and the value of the turning

Keywords： Environmental Kuznets Curve     agrochemical     China    

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Seismic stability of earth slopes with tension crack

Yundong ZHOU, Fei ZHANG, Jingquan Wang, Yufeng GAO, Guangyu DAI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 950-964 doi: 10.1007/s11709-019-0529-3

Abstract: Such cracks result from limited tension strength of the soil.A tension cut-off in Mohr-Coulomb shear strength can represent this limited strength.Presented is an extension of variational analysis of slope stability with a tension crack consideringThe results indicate that the presence of the tension crack has significant effects on the seismic stabilityConsidering soil tension strength in seismic slope analysis may lead to overestimation on the stability

Keywords： slope stability     tension     crack     limit equilibrium     seismic effect    

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Surface tension of liquid metal: role, mechanism and application

Xi ZHAO, Shuo XU, Jing LIU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 535-567 doi: 10.1007/s11708-017-0463-9

Abstract: Surface tension plays a core role in dominating various surface and interface phenomena.For liquid metals with high melting temperature, a profound understanding of the behaviors of surface tensionIn order to promote the research of surface tension of RTLM, this paper is dedicated to present an overviewon the roles and mechanisms of surface tension of liquid metal and summarize the latest progresses onMoreover, the unique phenomena of RTLM surface tension issues such as surface tension driven self-actuation

Keywords： surface tension     liquid metal     soft machine     printed electronics     electrowetting     self-actuation    

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Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 241-248 doi: 10.1007/s11465-011-0219-x

Abstract: new calculation method that can calculate the load distribution on pipe threaded connections under tensionThe model offers a new way to calculate the loads carried on the thread teeth under tension load.

Keywords： load distribution     calculation method     pipe threaded connections     tension load    

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Comparing the effects of Bassini versus tension-free hernioplasty: 3 years’ follow-up

Yulong SHI, Zhongxue SU, Leping LI, Hongjun LIU, Changqing JING,

Frontiers of Medicine 2010, Volume 4, Issue 4,   Pages 463-468 doi: 10.1007/s11684-010-0050-5

Abstract: In order to compare the effects of Bassini and tension-free mesh hernioplasty, a total of 552 patientsour hospital were randomly divided into the following two groups: the Bassini group (=269) and the tension-freeThe recurrence rate in the Bassini group was 8.9% (24/269), significantly higher than that in the tension-freeIn addition, the recurrence rates in the Bassini and tension-free groups before 2004 were 12.6% and 5.6%The average hospital stay in the Bassini group was longer than that in the tension-free repair group

Keywords： hernioplasty     Bassini repair     tension-free repair     complication    

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Learning curve of totally thoracoscopic pulmonary segmentectomy

Weibing Wu, Jing Xu, Wei Wen, Yue Yu, Xinfeng Xu, Quan Zhu, Liang Chen

Frontiers of Medicine 2018, Volume 12, Issue 5,   Pages 586-592 doi: 10.1007/s11684-017-0566-z

Abstract: However, data describing the learning curve of TTPS have yet to be obtained.TTPS between September 2010 and December 2013 were retrospectively analyzed to evaluate the learning curveCUSUMOT indicated that the learning curve of TTPS should be more than 72 cases.

Keywords： thoracoscopic     segmentectomy     learning curve     CUSUM    

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High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 487-503 doi: 10.1007/s11465-021-0635-5

Abstract: enhances the anti-disturbance performance of a gear-drive gyro-stabilized platform with a floating gear tensionThe tension device can provide a self-adjustable preload to eliminate the gap in the meshing process.However, the weaker gear support stiffness and more complex meshing friction are also induced by the tensionalgorithm is demonstrated by comparative experiments on a gear-drive pointing system with a floating gear tension

Keywords： inertially stabilized platform     floating gear tension device     nonlinear friction     disturbance compensation    

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Soil-water interaction in unsaturated expansive soil slopes

ZHAN Liangtong

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 198-204 doi: 10.1007/s11709-007-0023-1

Abstract: field inspection of rainwater infiltration and comprehensive experiments, including wetting-induced softeningInfiltration of rainwater not only results in wetting-induced softening of the shallow unsaturated soil

Keywords： strength     intensive soil-water     comprehensive     Infiltration     wetting-induced softening    

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Forward osmosis coupled with lime-soda ash softening for volume minimization of reverse osmosis

Jiandong Lu, Shijie You, Xiuheng Wang

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1301-6

Abstract: Abstract • Forward osmosis (FO) coupled with chemical softening for CCI ROC minimization • Effectiveremoval of scale precursor ions by lime-soda ash softening • Enhanced water recovery from 54% to 86%by mitigation of FO membrane scaling • High-purity CaCO3 was recovered from the softening sludge • MembraneTo address this issue, in this study, we focused on coupling forward osmosis (FO) with chemical softeningIn addition, CaCO3 (92.2% purity) was recovered from the softening sludge with an average yield of 5.6

Keywords： Coal chemical industry     Forward osmosis     Chemical softening     Reverse osmosis concentrate    

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Study on tension testing of short hangers in suspension bridges

Qi Dongchun,Guo Jian,Shen Ruili

Strategic Study of CAE 2010, Volume 12, Issue 7,   Pages 78-83

Abstract: it is difficult to accurately determine the effective length and bending rigidity of a hanger, the tensionTaking the testing of hanger tension of the Xingou River Bridge as the research background, the effectsboundary conditions, bending stiffness, effective length and linear density on the accuracy of the tensionHanger tension calculation with finite element method is introduced.The corresponding tension of a measured frequency can be obtained through looking up the table.

Keywords： short hanger     hanger tension measurement     frequency method     bending rigidity     finite element method    

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Numerical investigation of circle defining curve for two-dimensional problem with general boundaries

Chung Nguyen VAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 92-102 doi: 10.1007/s11709-018-0472-8

Abstract: problem, boundary value problems domain with the domain completely described by a circular defining curveinvestigates the possibility of using exact geometry to form the exact description of the circular defining curveand the standard finite element shape function to approximate the defining curve.performance is found to be better than using standard linear element for the approximation defining curve

Keywords： exact geometry     circular defining curve     general boundaries     SBFEM    

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Strengthening and Softening of Ferrite+Pearlite Steels Produced by Thin Slab Casting and Rolling

Fu Jie,Wu Huajie,Liu Yangchun

Strategic Study of CAE 2008, Volume 10, Issue 4,   Pages 65-72

Abstract: justify;">Based on the principle of the integrated strengthening of steel, the strengthening and the softening

Keywords： HSLC steel     strengthening     softening     basal plate for cold rolling     super steel    

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Mouse Oocyte Enucleation with Surface Tension Assisted Method

Meng Qinggang,Zhu Shien,Zeng Shenming,Zhang Zhongcheng

Strategic Study of CAE 2001, Volume 3, Issue 11,   Pages 65-69

Abstract:

In the present experiment a new simple method-Surface Tension Aided (STA)- for mouse oocyte enucleationIn method STA, the chromosome spindle was squeezed out by the surface tension of the drop edge with the

Keywords： surface tension assisted     enucleation     oocyte     mouse    

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Title Author Date Type Operation

Correlation between tension softening relation and crack extension resistance in concrete

Xiufang ZHANG , Shilang XU ,

Journal Article

Behavior of dam concrete under biaxial compression-tension and triaxial compression-compression-tension

WANG Huailiang, SONG Yupu

Journal Article

Is there an inverted U-shaped curve?Empirical analysis of the Environmental Kuznets Curve in agrochemicals

Fei LI,Suocheng DONG,Fujia LI,Libiao YANG

Journal Article

Seismic stability of earth slopes with tension crack

Yundong ZHOU, Fei ZHANG, Jingquan Wang, Yufeng GAO, Guangyu DAI

Journal Article

Surface tension of liquid metal: role, mechanism and application

Xi ZHAO, Shuo XU, Jing LIU

Journal Article

Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Journal Article

Comparing the effects of Bassini versus tension-free hernioplasty: 3 years’ follow-up

Yulong SHI, Zhongxue SU, Leping LI, Hongjun LIU, Changqing JING,

Journal Article

Learning curve of totally thoracoscopic pulmonary segmentectomy

Weibing Wu, Jing Xu, Wei Wen, Yue Yu, Xinfeng Xu, Quan Zhu, Liang Chen

Journal Article

High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Journal Article

Soil-water interaction in unsaturated expansive soil slopes

ZHAN Liangtong

Journal Article

Forward osmosis coupled with lime-soda ash softening for volume minimization of reverse osmosis

Jiandong Lu, Shijie You, Xiuheng Wang

Journal Article

Study on tension testing of short hangers in suspension bridges

Qi Dongchun,Guo Jian,Shen Ruili

Journal Article

Numerical investigation of circle defining curve for two-dimensional problem with general boundaries

Chung Nguyen VAN

Journal Article

Strengthening and Softening of Ferrite+Pearlite Steels Produced by Thin Slab Casting and Rolling

Fu Jie,Wu Huajie,Liu Yangchun

Journal Article

Mouse Oocyte Enucleation with Surface Tension Assisted Method

Meng Qinggang,Zhu Shien,Zeng Shenming,Zhang Zhongcheng

Journal Article