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Spatial and Temporal Distribution of PM

Xiao-hong Chen,Xiang-bo Tang

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 171-181 doi: 10.15302/J-FEM-2016017

Abstract: In addition, this paper studies the regional distribution of PM seasonal pollution in the vicinity ofeffective control strategies to cope with regional PM pollution combined with the information of industry distribution

Keywords： PM2.5     spatial and temporal distribution     ArcGIS     the chang-Zhu-Tan city cluster    

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A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial andTemporal Distribution of Inertial Energy Article

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Engineering 2015, Volume 1, Issue 3,   Pages 391-398 doi: 10.15302/J-ENG-2015063

Abstract: velocity-planning method for the precision positioning of a high-acceleration mechanism based on optimal spatialand temporal distribution of inertial energy.optimization using equivalent static loads method (ESLM), and then we selected the modified ESLM for optimal spatialdistribution of inertial energy; hence, not only the stiffness but also the inertia and frequency of

Keywords： high-acceleration low-load mechanism     precision positioning     spatial and temporal distribution     inertial    

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Industrial eco-efficiency and its spatial-temporal differentiation in China

Wei YANG, Fengjun JIN, Chengjin WANG, Chen LV

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 559-568 doi: 10.1007/s11783-012-0400-4

Abstract: The aim of this paper is to study the spatial-temporal differentiation of industrial eco-efficiency inUsing methods based on the data envelopment analysis (DEA) model and exploratory spatial data analysis(ESDA) and data from 1985, 1995, 2005, and 2008 of 30 provinces in China, the spatial-temporal patternindustrial eco-efficiency are dominated by clustering of relatively low efficiency provinces; second, spatialunits are concentrated in eastern China, and the lower level spatial units are mainly in western and

Keywords： industrial eco-efficiency     data envelopment analysis (DEA) model     exploratory spatial data analysis (ESDA    

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Assessment of temporal and spatial variations in water quality using multivariate statistical methods

Xue LI,Pengjing LI,Dong WANG,Yuqiu WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 895-904 doi: 10.1007/s11783-014-0736-z

Abstract: This study evaluated the temporal and spatial variations of water quality data sets for the Xin'anjiangDA identified three significant parameters (temperature, pH and ) to distinguish temporal groups withtemperature, electricity conductivity, total nitrogen, chemical oxygen demand and total phosphorus) for spatial

Keywords： Xin'anjiang River     multivariable statistical analysis     temporal variation     spatial variation     water quality    

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Abundance, spatial distribution, and physical characteristics of microplastics in stormwater detention

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1724-y

Abstract: Herein, we investigate the longitudinal and vertical distribution of MP within two detention ponds with

Keywords： Microplastic     Environmental transport     Soil pollution     Stormwater     Detention ponds    

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A Spatial–Temporal Network Perspective for the Propagation Dynamics of Air Traffic Delays Article

Qing Cai, Sameer Alam, Vu N. Duong

Engineering 2021, Volume 7, Issue 4,   Pages 452-464 doi: 10.1016/j.eng.2020.05.027

Abstract: Specifically, we model air traffic scenarios using spatial-temporal networks with airports as the nodesBased on the constructed spatial–temporal networks, we suggest three metrics—magnitude, severity

Keywords： Air traffic     Transport systems     Delay propagation dynamics     Spatial–temporal networks    

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Temporal and spatial stability of the EM/PM molecular subtypes in adult diffuse glioma

Frontiers of Medicine 2023, Volume 17, Issue 2,   Pages 240-262 doi: 10.1007/s11684-022-0936-z

Abstract: samples from the same glioma, single-cell RNA-seq samples, and clinical samples, we here demonstrate the temporaland spatial stability of the EM and PM subtypes.

Keywords： glioma progression     molecular classification     EM/PM subtyping     intratumor heterogeneity    

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Changes in hourly precipitation may explain the sharp reduction of discharge in the middle reach of the Yellow River after 2000

Lin LUO, Zhongjing WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 756-768 doi: 10.1007/s11783-013-0563-7

Abstract: High temporal resolution precipitation (timescales between 1 and 4 h) data from the June to SeptemberChanges in rainfall distribution between different classes of the Runoff Rainfall regime in the 2000s

Keywords： precipitation intensity     Mann-Kendall rank statistic     spatial and temporal distribution     climatic change    

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Allocation of grassland, livestock and arable based on the spatial and temporal analysis for food demand

Huilong LIN, Ruichao LI, Yifan LIU, Jingrong ZHANG, Jizhou REN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 69-80 doi: 10.15302/J-FASE-2017140

Abstract: To explore the distribution of food demand and the projected trend in future food demand in China, this

Keywords： arable land equivalent unit (ALEU)     food equivalent unit (FEU)     food security     grassland agriculture     time trend prediction    

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Spatial distribution of phosphorus forms in sediments with different distances to the estuary of the

Shaoyong LU, Xiangcan JIN, Fengchang WU, Jing SI, Jianning GUO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 295-300 doi: 10.1007/s11783-010-0231-0

Abstract: Effects of human activity on the distribution of phosphorus (P) forms were investigated for the sediments

Keywords： estuary sedimentary area     phosphorus (P)     spatial distribution     human activity     the Dianchi Lake    

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Spatial prediction of soil contamination based on machine learning: a review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1693-1

Abstract:

● A review of machine learning (ML) for spatial prediction of soil

Keywords： Soil contamination     Machine learning     Prediction     Spatial distribution    

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PyLUR: Efficient software for land use regression modeling the spatial distribution of air pollutants

Xuying Ma, Ian Longley, Jennifer Salmond, Jay Gao

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1221-5

Abstract: GDAL/OGR libraries are used to do spatial analysis in the modeling and prediction.

Keywords： LUR     Air pollution modelling     GIS spatial analysis     GDAL/OGR Python     Pollutant concentration mapping    

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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 recentIn addition, the distribution of environmental accidents was generally in accordance with the industrialFurthermore, some key factors that affect the spatial and temporal tendencies of environmental accidents

Keywords： environmental accidents     spatial and temporal trends     environmental risk    

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Digital representation of meso-geomaterial spatial distribution and associated numerical analysis of

YUE Zhongqi

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 80-93 doi: 10.1007/s11709-007-0008-0

Abstract: past decade for the establishment of a practical approach of digital representation of the geomaterial distributionprocessing methods are used as measurement tools to construct a digital representation for the actual spatialdistribution of the different materials and components in geomaterial samples.that the proposed approach is one of the latest research and developments in geomechanics where actual spatialdistribution and properties of materials and components at the meso-level are taken into account.

Keywords： homogeneous     numerical analysis     Expanded     homogenization     meso-level    

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High resolution satellite imaging sensors for precision agriculture

Chenghai YANG

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 393-405 doi: 10.15302/J-FASE-2018226

Abstract: since the 1970s, but they have limited use for precision agriculture because of their relatively coarse spatialRecent developments in high resolution satellite sensors have significantly narrowed the gap in spatialThese imaging sensors not only provide images with high spatial resolution, but can also repeatedly view

Keywords： high resolution satellite sensor     multispectral imagery     precision agriculture     spatial resolution     temporal    

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Title Author Date Type Operation

Spatial and Temporal Distribution of PM

Xiao-hong Chen,Xiang-bo Tang

Journal Article

A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial andTemporal Distribution of Inertial Energy

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Journal Article

Industrial eco-efficiency and its spatial-temporal differentiation in China

Wei YANG, Fengjun JIN, Chengjin WANG, Chen LV

Journal Article

Assessment of temporal and spatial variations in water quality using multivariate statistical methods

Xue LI,Pengjing LI,Dong WANG,Yuqiu WANG

Journal Article

Abundance, spatial distribution, and physical characteristics of microplastics in stormwater detention

Journal Article

A Spatial–Temporal Network Perspective for the Propagation Dynamics of Air Traffic Delays

Qing Cai, Sameer Alam, Vu N. Duong

Journal Article

Temporal and spatial stability of the EM/PM molecular subtypes in adult diffuse glioma

Journal Article

Changes in hourly precipitation may explain the sharp reduction of discharge in the middle reach of the Yellow River after 2000

Lin LUO, Zhongjing WANG

Journal Article

Allocation of grassland, livestock and arable based on the spatial and temporal analysis for food demand

Huilong LIN, Ruichao LI, Yifan LIU, Jingrong ZHANG, Jizhou REN

Journal Article

Spatial distribution of phosphorus forms in sediments with different distances to the estuary of the

Shaoyong LU, Xiangcan JIN, Fengchang WU, Jing SI, Jianning GUO,

Journal Article

Spatial prediction of soil contamination based on machine learning: a review

Journal Article

PyLUR: Efficient software for land use regression modeling the spatial distribution of air pollutants

Xuying Ma, Ian Longley, Jennifer Salmond, Jay Gao

Journal Article

Trends of environmental accidents and impact factors in China

Pengli XUE, Weihua ZENG

Journal Article

Digital representation of meso-geomaterial spatial distribution and associated numerical analysis of

YUE Zhongqi

Journal Article

High resolution satellite imaging sensors for precision agriculture

Chenghai YANG

Journal Article