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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: Kuznets Curve on environmental issues resulting from use of agricultural synthetic fertilizer, pesticideThe empirical results indicate a positive long-run co-integrated relationship between the environmentalThis relationship takes on the inverted U-shaped Environmental Kuznets Curve, and the value of the turningAt present, China is subject to tremendous environmental pressure and should assign more importance tospecial agriculture-related environmental issues.

Keywords： Environmental Kuznets Curve     agrochemical     China    

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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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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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Learning Curve and Its Application in Production Operation al Research

Chen Zhixiang

Strategic Study of CAE 2007, Volume 9, Issue 7,   Pages 82-88

Abstract:

Learning curve is one character function that improves output by theLearning curve can be used to establish scientific cost plan, improve shop flow scheduling, labor quotaThis paper reviews the research literatures, introduces different forms of learning curve, analyzes theircharacters, and discusses the future directions of application of learning curve.

Keywords： learning curve     operational management     behaviors research    

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Research on physical shape preserving curve reconstruction

TANG Kelun, ZHANG Xiangwei, CHENG Siyuan, XIONG Hanwei, ZHANG Hong

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 305-309 doi: 10.1007/s11465-007-0054-2

Abstract: A method of physical shape preserving curve reconstruction is proposed to better realize the data fusionFrom the principle of materials mechanics, the strain energy of the curve corresponding to the distortionis advanced as the internal energy, and the elastic potential energy of the curve is established, usingNumerical simulation indicates that there is an extremely good agreement between the new fitted curveand the actual curve.

Keywords： information     CMM     Numerical simulation     effective     coordinate measuring    

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Interpolation of a spline developable surface between a curve and two rulings

Alicia CANTÓN,Leonardo FERNÁNDEZ-JAMBRINA

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 173-190 doi: 10.1631/FITEE.14a0210

Abstract: paper we address the problem of interpolating a spline developable patch bounded by a given spline curveTo complete the boundary of the patch, a second spline curve is to be given.

Keywords： Developable surfaces     Spline surfaces     Blossoms    

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Principle and curve of planetary indexing cam mechanisms

LIU Ming-tao, ZHANG Ce, YANG Yu-hu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 475-478 doi: 10.1007/s11465-006-0063-6

Abstract: Based on the principle of formation of conjugate tooth contour, the equations of the cam s pitch curveThe continuity and symmetry of the cam s pitch curve are also analyzed.dead point and its phase angle is equal to (π - 2π/n); 3) The continuous condition of the cam s pitch curve

Keywords： continuity     planetary     average transmission     symmetry     intermittent    

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Detection of void and metallic inclusion in 2D piezoelectric cantilever beam using impedance measurements

S. SAMANTA, S. S. NANTHAKUMAR, R. K. ANNABATTULA, X. ZHUANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 542-556 doi: 10.1007/s11709-018-0496-0

Abstract: current work is to improve the existing inverse methodology of void-detection based on a target impedance curveIn this work, mode-shape dependent shifting phenomenon of peaks of impedance curve with change in voiditeration starting from each initial guess, the difference between the computationally obtained impedance curveand the target impedance curve has been reduced.

Keywords： piezoelectricity     impedance curve     mode shapes     inverse problem     flaw detection     curve shifting    

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Modeling and Real-time Performance Analysis of Switched Ethernet by Network Calculus

Wang Xiaoxin,Liu Luyuan,Liu Jing,Ma Jinjue

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 55-59

Abstract: proposed, in which the data flow is divided into real-time flow and non-real-time flow and the arrival curve, service curve, the max delay and max storage needed are got.

Keywords： network calculus     switch     arrival curve     service curve     delay    

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An overview of the environmental finance policies in China: retrofitting an integrated mechanism forenvironmental management

LI Wei,HU Mengze

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 316-328 doi: 10.1007/s11783-014-0625-5

Abstract: Considering the significant roles of the policies in developing environmental finance, an overview isconducted on the environmental finance policies (EFPs) in China.The policies have played a critical role in leading to a rapid development in environmental finance byinvolving more financial instruments to accomplish the objective-led environmental plans.To further strengthen the effectiveness of EFPs in facilitating environmental management, recommendations

Keywords： environmental finance policy     integrated mechanism     phased evolution     implementation progress     financialinstitution     environmental management    

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Trends of environmental accidents and impact factors in China

Pengli XUE, Weihua ZENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 266-276 doi: 10.1007/s11783-010-0267-1

Abstract: An overview of the spatial and temporal variations of the environmental accidents in China in recentConsidering the classification of environmental accidents at 4 scales, the general environmental accidentAs to the losses of environmental accidents, the casualties presented an obvious reduction tendency,in China were discussed and some suggestions were put forward, hoping to shed light on environmentalrisk management and emergency plans making associated with environmental accidents in China.

Keywords： environmental accidents     spatial and temporal trends     environmental risk    

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Why does environmental compliance cost more than penalty?—A legal analysis on environmental acts of enterprises in China

DONG Hongwei

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 434-442 doi: 10.1007/s11783-007-0069-2

Abstract: In the environmental protection field of China, due to lower law-breaking cost but higher law-abiding

Keywords： law-abiding     punishment     environmental protection     law-breaking     enterprise    

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Analysis of the current situation of environmental policy of China and establishment of distributed environmental

Chaoyang FU,Wangfeng LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 310-316 doi: 10.1007/s11783-014-0658-9

Abstract: In this study, China’s current macro-environmental policies as well as their implementation and managementpolicy of the total pollutant discharge quantity control type, and also the two types of environmentalmeans and the methods of economic analysis are introduced into environmental policy decision-makingpolicy, solving the problem of “government failure” in environmental policy implementation, and providinga new way to make environmental policy system more flexible and more efficient.

Keywords： environmental policy     distributed environment policy     distributed parameter model     lumped parameter model    

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Reducing environmental impacts through socioeconomic transitions: critical review and prospects

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1624-1

Abstract:

● Reducing environmental impacts through socioeconomic structural transitions

Keywords： Environmental pressures     Environmental impacts     Nexus     Supply chains     Trade     Coupled systems    

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The curve adjustment method of girder segments without hangers for suspension bridge with three-span

Qi Zhaochen,Tang Maolin,Cui Bing,Dong Meng,Wang Ming

Strategic Study of CAE 2013, Volume 15, Issue 8,   Pages 37-41

Abstract:

It is a difficult technical problem to make sure that the curve of girderthe system transformation is successful and that the internal force keeps consistent with the girder curveover 1 000 m with three-span continuous stiffening girder as an example, the system transformation, curve

Keywords： suspension bridge     stiffening girder     region without hangers     curve    

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Title Author Date Type Operation

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

Learning curve of totally thoracoscopic pulmonary segmentectomy

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

Journal Article

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

Chung Nguyen VAN

Journal Article

Learning Curve and Its Application in Production Operation al Research

Chen Zhixiang

Journal Article

Research on physical shape preserving curve reconstruction

TANG Kelun, ZHANG Xiangwei, CHENG Siyuan, XIONG Hanwei, ZHANG Hong

Journal Article

Interpolation of a spline developable surface between a curve and two rulings

Alicia CANTÓN,Leonardo FERNÁNDEZ-JAMBRINA

Journal Article

Principle and curve of planetary indexing cam mechanisms

LIU Ming-tao, ZHANG Ce, YANG Yu-hu

Journal Article

Detection of void and metallic inclusion in 2D piezoelectric cantilever beam using impedance measurements

S. SAMANTA, S. S. NANTHAKUMAR, R. K. ANNABATTULA, X. ZHUANG

Journal Article

Modeling and Real-time Performance Analysis of Switched Ethernet by Network Calculus

Wang Xiaoxin,Liu Luyuan,Liu Jing,Ma Jinjue

Journal Article

An overview of the environmental finance policies in China: retrofitting an integrated mechanism forenvironmental management

LI Wei,HU Mengze

Journal Article

Trends of environmental accidents and impact factors in China

Pengli XUE, Weihua ZENG

Journal Article

Why does environmental compliance cost more than penalty?—A legal analysis on environmental acts of enterprises in China

DONG Hongwei

Journal Article

Analysis of the current situation of environmental policy of China and establishment of distributed environmental

Chaoyang FU,Wangfeng LI

Journal Article

Reducing environmental impacts through socioeconomic transitions: critical review and prospects

Journal Article

The curve adjustment method of girder segments without hangers for suspension bridge with three-span

Qi Zhaochen,Tang Maolin,Cui Bing,Dong Meng,Wang Ming

Journal Article