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Evaluation of the influence of El Niño–Southern Oscillation on air quality in southern China from long-term

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1460-0

Abstract:

•Strong ENSO influence on AOD is found in southern China region.

Keywords： El Niño–Southern Oscillation     Aerosol concentration     Aerosol particle size     Contribution separation     Decadal trend     Southern China    

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A Robustness Analysis of CMIP5 Models over the East Asia-Western North Pacific Domain

Tianjun Zhou, Xiaolong Chen, Bo Wu, Zhun Guo, Yong Sun, Liwei Zou, Wenmin Man, Lixia Zhang, Chao He

Engineering 2017, Volume 3, Issue 5,   Pages 773-778 doi: 10.1016/J.ENG.2017.05.018

Abstract: Weaknesses are also evident in simulations of the interannual amplitude, such as El Niño-SouthernOscillation (ENSO)-monsoon relationships.

Keywords： East Asian monsoon     Western North Pacific climate     El Niñ     o-Southern Oscillation     Past climate change    

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CH4 and N2O emissions from double-rice cropping system as affected by Chinese milkvetch and straw incorporation in southern China

Heshui XU,Dengyun LI,Bo ZHU,Kai ZHANG,Yadong YANG,Chen WANG,Ying JIANG,Zhaohai ZENG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 59-68 doi: 10.15302/J-FASE-2017137

Abstract: However, little is known about the integrated impacts of CMV and RS incorporation on CH and N O emissionsin double-rice cropping systems in southern China.the integrated impacts of CMV and RS incorporation in the early- and late-rice seasons on CH and N OCMV and/or RS incorporation produced equivalent or slightly more grain yield, while reducing N O emissionsresults demonstrate CMV and RS amendments replacing N fertilizer, maintained stable yield, mitigated N O

Keywords： Chinese milk vetch     CH4     double-rice cropping system     grain yield     N2O     rice straw    

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Numerical analysis of strongly nonlinear oscillation systems using He’s max-min method

H. BABAZADEH, G. DOMAIRRY, A. BARARI, R. AZAMI, A. G. DAVODI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 435-441 doi: 10.1007/s11465-011-0243-x

Abstract:

Nonlinear functions are crucial points and terms in engineering problems. Actual and physical problems can be solved by solving and processing such functions. Thus, most scientists and engineers focus on solving these equations. This paper presents a novel method called the max-min method for presenting an accurate approximate analytical solution to strong nonlinear oscillators. It can solve many linear or nonlinear differential equations without the tangible restriction of sensitivity to the degree of the nonlinear term. It is also quite convenient due to the reduction in the size of calculations. The algorithm suggests a promising approach and is systematically illustrated step by step.

Keywords： min-max method     nonlinear oscillation     duffing equation     mathematical pendulum     He’s energy balance method    

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Parametric oscillation of cables and aerodynamic effect

Yong XIA, Jing ZHANG, Youlin XU, Yozo FUJINO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 321-325 doi: 10.1007/s11709-010-0028-z

Abstract: This paper addresses the aerodynamic effect on the nonlinear oscillation, particularly parametric vibration

Keywords： parametric vibration     cables     cable-stayed bridge     nonlinear vibration    

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DQB1*060101 may contribute to susceptibility to immunoglobulin A nephropathy in southern Han Chinese

Wei Wang,Ming Li,Li Wang,Xueqing Yu

Frontiers of Medicine 2016, Volume 10, Issue 4,   Pages 507-516 doi: 10.1007/s11684-016-0475-6

Abstract: between HLA-DQB1 alleles and disease susceptibility and clinical manifestations of patients with IgAN in southern

Keywords： DQB1     human leukocyte antigen (HLA)     IgA nephropathy     haplotype     association study    

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Comprehensive health condition assessment on partial sewers in a southern Chinese city based on fuzzy

Lili GAN, Jiane ZUO, Yajiao WANG, Thong Soon LOW, Kaijun WANG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 144-150 doi: 10.1007/s11783-013-0554-8

Abstract: process was applied to give a comprehensive health condition evaluation on part of the local sewers in a southern

Keywords： sewer     health condition assessment     analytical hierarchy process     fuzzy comprehensive evaluation     fuzzy mathematic method    

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Nutrient status and pollution levels in five areas around a manganese mine in southern China

Kehui Liu, Xiaolu Liang, Chunming Li, Fangming Yu, Yi Li

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1279-0

Abstract: Abstract • The soil TP level was high or extremely high in all areas. • TN, OM and available Cu were insufficient in EA, TA and RA. • All areas reached the heavily polluted level and had high ecological risk levels. • Mn and Cd were the dominant pollutants. Nutrient status and pollution levels are the main factors affecting soil restoration. The nutrient status and pollution levels in five areas, an unexplored mine area (UA), an explored mine area (EA), a tailings area (TA), a reclamation area (RA) and an agricultural area (AA), around the Pingle manganese mine in Guangxi, China, were assessed in this study. The results showed that the average total phosphorus in these five areas ranged from 1.05 to 1.57 mg/kg, corresponding to grades of extremely high and high. The average total nitrogen values were 0.19, 0.69, 0.93, 1.24 and 1.67 mg/kg in EA, TA, RA, UA and AA, corresponding to grades of very low, low, medium-low, medium-high and medium-high, respectively. The average organic matter values were 12.78, 8.92, 22.77, 21.29 and 29.11 mg/kg in EA, TA, RA, UA and AA, which corresponded to grades of medium-low, low, medium-high, medium-high and medium-high, respectively. All these results indicated that the total phosphorus was sufficient in these areas, while the total nitrogen and organic matter were insufficient in EA, TA and RA. The available concentrations of Mn and Zn corresponded to the intermediate grade, while the values for Cu corresponded to the very low grade; these might be another factor restricting ecological reclamation. Contamination and ecological risk assessments based on the single contamination index, Nemerow multi-factor index and potential ecological risk index showed that the five tested areas around the Mn mine were considered heavily polluted and presented high ecological risk. Mn and Cd were the dominant pollutants.

Keywords： Ecological reclamation     Ecological risk assessment     Heavy metal     Mn mine     Soil nutrients    

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Causes and Control Strategies for Environmental Problems of Agricultural Producing Areas in Southern

Caihong Huang, Beidou Xi, Zhurui Tang, Wenchao Yuan

Strategic Study of CAE 2018, Volume 20, Issue 5,   Pages 52-56 doi: 10.15302/J-SSCAE-2018.05.008

Abstract: Urbanization in Southern China started early and developed rapidly, initially at the expense of the environmentmetal pollution of soil becomes prominent and is aggravated by the widespread acid rain pollution in Southernpromoting the scientific nature of environmental pollution control in the agricultural producing areas in Southern

Keywords： agricultural producing areas in Southern China     environmental pollution     prevention and control strategies    

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species associated with eucalypt diseases in southern China

Shuaifei CHEN, Qianli LIU, Guoqing LI, Michael J. WINGFIELD

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 4,   Pages 433-447 doi: 10.15302/J-FASE-2017173

Abstract: The genus includes several important pathogens of species of and , mainly causing leaf and shoot blight. Recently, extensive shoot and leaf dieback and stem cankers suspected to be diseases have been found on young trees in Guangdong and Hainan Provinces. The occurrence of species and their association with eucalypt hosts within China needs to be investigated for tree diseases management. The isolates from the diseased samples were identified based on their morphological structures and phylogenetic analyses with DNA sequence data for the internal transcribed spacer region and large ribosome subunit RNA of the nuclear rDNA. This work revealed that three species of were present: from , from , both isolated from young eucalypt leaves and shoots in Guangdong Province, and , which was isolated from stem cankers of at four different sites across Guangdong and Hainan Provinces. These results confirmed that agents were associated with the diseases occurring on eucalypt hosts in South China. This is the first report of in Asia and the first report of in China on trees.

Keywords： Corymbia     Eucalyptus     forest pathogens     plantations     Myrtaceae    

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Chaos Engineering

Long Yunjia

Strategic Study of CAE 2001, Volume 3, Issue 2,   Pages 10-15

Abstract:

The world is nonlinear, linearity is oly its approximate description. The discovery of chaos has showed that some deterministic nonlinear systems exhibit inner random behavior. Over the past two decades, chaos was such a universal phenomenon that it was reported virtually in every scientific discipline ： mathematics, physics, chemistry, and even the social sciences. The main interest for theoretical academicians has been to investigate the essence of chaos. At the same time, practical applicatioins of chaos have been widely appreciated in many engineering fields such as information engineering, system engineering, medical engineering, agricultural engineering, electrical engineering，biological engineering, mechanical engineering, civil engineering, etc. Chaos Engineering is a new nonlinear engineering science to research the practical use of chaos and its fundamental theory. In this paper, the object, definition, concept, method, theory and application of modern Chaos Engineering are summarized. Some works done by the author and the recent advances are introduced. The fcx:us of Chaos Engineering research and development in national economy and national defense may include chaos analytic technique, chaos control technique and chaos synthetic technique.

Keywords： nonlinear     chaos     oscillation     vibration     wave    

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: a case study for human migration in the context of sustainable dryland farming development in the Southern

Yongqing MA, Jie CHEN, Shuqi DONG, Lun SHAN

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 1,   Pages 62-68 doi: 10.15302/J-FASE-2014027

Abstract: The Southern Ningxia Hilly Area is one of the most impoverished areas of Ningxia Hui Autonomous RegionThis paper outlines the past improvements to the Southern Ningxia Hilly Area and considers future development

Keywords： agricultural production     animal husbandry     development strategy     ecological migration    

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Is atmospheric oxidation capacity better in indicating tropospheric O formation?

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1544-5

Abstract: ListItem>

● This study summarizes and evaluates different approaches that indicate O<

Keywords： O3     AOC     O3 formation regime    

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Variability and vulnerability of carbon pools in Southern Ocean and western Arctic Ocean and their exploratory

Chen Liqi

Strategic Study of CAE 2009, Volume 11, Issue 10,   Pages 79-85

Abstract: continuously conducted out underway sea-air pCO2 and its relative parameters measurements in the Southern

Keywords： carbon cycle     variability and vulnerability     Southern Ocean     Arctic Ocean     exploring engineering technology    

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Prediction of selected biodiesel fuel properties using artificial neural network

Solomon O. GIWA,Sunday O. ADEKOMAYA,Kayode O. ADAMA,Moruf O. MUKAILA

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 433-445 doi: 10.1007/s11708-015-0383-5

Abstract: Biodiesel is an alternative fuel to replace fossil-based diesel fuel. It has fuel properties similar to diesel which are generally determined experimentally. The experimental determination of various properties of biodiesel is costly, time consuming and a tedious process. To solve these problems, artificial neural network (ANN) has been considered as a vital tool for estimating the fuel properties of biodiesel, especially from its fatty acid (FA) composition. In this study, four ANNs have been designed and trained to predict the cetane number (CN), flash point (FP), kinematic viscosity (KV) and density of biodiesel using ANN with logsig and purelin transfer functions in the hidden layer of all the networks. The five most prevalent FAs from 55 feedstocks found in the literature utilized as the input parameters for the model are palmitic, stearic, oleic, linoleic and linolenic acids except for density network with a sixth parameter (temperature). Other FAs that are present in the biodiesels have been considered based on the number of carbon atom chains and the level of saturation. From this study, the prediction accuracy and the average absolute deviation of the networks are CN (96.69%; 1.637%), KV (95.80%; 1.638%), FP (99.07%; 0.997%) and density (99.40%; 0.101%). These values are reasonably better compared to previous studies on empirical correlations and ANN predictions of these fuel properties found in literature. Hence, the present study demonstrates the ability of ANN model to predict fuel properties of biodiesel with high accuracy.

Keywords： biodiesel     fuel properties     artificial neural network     fatty acid     prediction    

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Title Author Date Type Operation

Evaluation of the influence of El Niño–Southern Oscillation on air quality in southern China from long-term

Journal Article

A Robustness Analysis of CMIP5 Models over the East Asia-Western North Pacific Domain

Tianjun Zhou, Xiaolong Chen, Bo Wu, Zhun Guo, Yong Sun, Liwei Zou, Wenmin Man, Lixia Zhang, Chao He

Journal Article

CH4 and N2O emissions from double-rice cropping system as affected by Chinese milkvetch and straw incorporation in southern China

Heshui XU,Dengyun LI,Bo ZHU,Kai ZHANG,Yadong YANG,Chen WANG,Ying JIANG,Zhaohai ZENG

Journal Article

Numerical analysis of strongly nonlinear oscillation systems using He’s max-min method

H. BABAZADEH, G. DOMAIRRY, A. BARARI, R. AZAMI, A. G. DAVODI

Journal Article

Parametric oscillation of cables and aerodynamic effect

Yong XIA, Jing ZHANG, Youlin XU, Yozo FUJINO,

Journal Article

DQB1*060101 may contribute to susceptibility to immunoglobulin A nephropathy in southern Han Chinese

Wei Wang,Ming Li,Li Wang,Xueqing Yu

Journal Article

Comprehensive health condition assessment on partial sewers in a southern Chinese city based on fuzzy

Lili GAN, Jiane ZUO, Yajiao WANG, Thong Soon LOW, Kaijun WANG

Journal Article

Nutrient status and pollution levels in five areas around a manganese mine in southern China

Kehui Liu, Xiaolu Liang, Chunming Li, Fangming Yu, Yi Li

Journal Article

Causes and Control Strategies for Environmental Problems of Agricultural Producing Areas in Southern

Caihong Huang, Beidou Xi, Zhurui Tang, Wenchao Yuan

Journal Article

species associated with eucalypt diseases in southern China

Shuaifei CHEN, Qianli LIU, Guoqing LI, Michael J. WINGFIELD

Journal Article

Chaos Engineering

Long Yunjia

Journal Article

: a case study for human migration in the context of sustainable dryland farming development in the Southern

Yongqing MA, Jie CHEN, Shuqi DONG, Lun SHAN

Journal Article

Is atmospheric oxidation capacity better in indicating tropospheric O formation?

Journal Article

Variability and vulnerability of carbon pools in Southern Ocean and western Arctic Ocean and their exploratory

Chen Liqi

Journal Article

Prediction of selected biodiesel fuel properties using artificial neural network

Solomon O. GIWA,Sunday O. ADEKOMAYA,Kayode O. ADAMA,Moruf O. MUKAILA

Journal Article