Chunyan Liu

ORCID: 0000-0002-7069-3506
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Research Areas
  • Regional Economic and Spatial Analysis
  • Environmental Impact and Sustainability
  • Atmospheric and Environmental Gas Dynamics
  • Energy, Environment, Economic Growth
  • Remote Sensing and Land Use
  • Plant Water Relations and Carbon Dynamics
  • Diverse Aspects of Tourism Research
  • Regional Economics and Spatial Analysis
  • Advanced Photocatalysis Techniques
  • Advanced oxidation water treatment
  • TiO2 Photocatalysis and Solar Cells
  • Environmental Quality and Pollution
  • Water Quality Monitoring and Analysis
  • Energy, Environment, and Transportation Policies
  • Land Use and Ecosystem Services
  • Groundwater and Isotope Geochemistry
  • Atmospheric chemistry and aerosols
  • Environmental and Agricultural Sciences
  • Occupational and Professional Licensing Regulation
  • Forest Management and Policy
  • Urban and Rural Development Challenges
  • Water Quality and Pollution Assessment
  • Big Data Technologies and Applications
  • Income, Poverty, and Inequality
  • Brucella: diagnosis, epidemiology, treatment

Nanjing University of Aeronautics and Astronautics
2024

North Minzu University
2024

Southwest Petroleum University
2023

PetroChina Southwest Oil and Gas Field Company (China)
2023

Xinjiang University
2020-2023

Harbin University
2012-2023

Chinese Academy of Geological Sciences
2021-2022

Changchun Institute of Technology
2022

Chinese Academy of Sciences
2008-2022

National Board of Medical Examiners
2019-2022

Abstract Intercropping advantage occurs only when each species has adequate time and space to maximize cooperation minimize competition between them. A field experiment was conducted for two consecutive years 2013 2014 investigate the effects of maize soybean relay strip intercropping systems on uptake utilization nitrogen, phosphorus, potassium. The treatments included “40:160” (T1, narrow wide row spacing 40 160 cm, where rows with a cm were planted in rows. area occupation ratio both 50%...

10.1038/s41598-020-66459-y article EN cc-by Scientific Reports 2020-06-11

Acne is a chronic inflammatory condition affecting the hair follicles and sebaceous glands. Recent research has revealed significant advances in study of acne skin microbiome. Systematic analysis trends hotspots microbiome lacking. This utilized bibliometric methods to conduct in-depth on recognition structure microbiome, identifying hot emerging topics. We performed topic search retrieve articles about from Web Science Core Collection. Bibliometric was conducted using CiteSpace, VOSviewer,...

10.1186/s13040-025-00433-0 article EN cc-by-nc-nd BioData Mining 2025-03-03

An approach for quantifying the net ecosystem exchange (NEE) of carbon dioxide, which is subject to a rectangular hyperbolic relationship between NEE and photosynthetic active radiation, was adapted typical wheat‐rice rotation under subtropical monsoon climate in Yangtze River delta. Adaptation schemes were established; these relied upon intermittent measurements thereby parameterization photosynthesis, canopy respiration, root root‐to‐shoot ratio, plant growth, using manual chambers...

10.1029/2007gb003104 article EN Global Biogeochemical Cycles 2008-09-01

10.1016/b978-0-12-386905-0.00018-8 article EN Methods in enzymology on CD-ROM/Methods in enzymology 2011-01-01

Multifunctional zoning is the primary basis for developing differentiated spatial planning systems and management policies of territorial spaces. The purpose paper to generate an integrated multifunctional scheme space in Panxi by employing functional significance assessment funded on niche theory its measurement models, order benefit high efficiency land utilization other socioeconomic development initiatives, such as industrial poverty alleviation mountainous urbanization regional scale....

10.3390/su11082325 article EN Sustainability 2019-04-18

Land use transformation accompanied with various human activities affects groundwater chemistry and quality globally, especially in coastal urbanized areas because of complex activities. This study investigated the impact land on a alluvial aquifer (CAA) Pearl River Delta where urbanization continues. A fuzzy synthetic evaluation method was used to evaluate quality. Besides, factors controlling CAA were discussed by using principal components analysis (PCA). Nearly 150 samples collected. All...

10.3390/w14244131 article EN Water 2022-12-19

The purpose of the study is to investigate relationships and potential impacts environmental pollutants, human resources, GDP, sustainable power sources, financial assets, SAARC countries from 1995 2022. Board cointegration tests, D-H causality, cross-sectional reliance (CSD), Saville Holdsworth Restricted (SHL), DSK Appraisal Strategy were among logical techniques employed discover long-term connections between these components. Results demonstrate that GDP growth, renewable energy sources...

10.1371/journal.pone.0296516 article EN cc-by PLoS ONE 2024-02-08

This article focuses on the effects of inward and outward FDI manufacturing export sophistication in China by using two-tier stochastic frontier model. The results show that has a stronger positive effect China's sophistication. Furthermore, decomposition indicates net varies markedly across quantiles regions. At upper quartiles (Q3) Eastern Zone, is more obvious than others. illustrates plays significant role driver upgrading.

10.1080/13504851.2020.1854429 article EN Applied Economics Letters 2020-12-07

Poverty eradication is currently a central issue within the national economic development strategy in developing countries. Understanding spatial changes and possible drivers of poverty from different geographical perspectives has potential to provide policy-relevant understanding trends poverty. By district-level data, incidence (PI), statistical analysis period 2005 2011 Nepal, we used location quotient (LQ), as well Lorenz curve, inspect concentration spatial-temporal variation Nepal. As...

10.3390/su10062055 article EN Sustainability 2018-06-17

Currently, little attention was paid to the tourism’s CO 2 emission (CE) at province level. Thus, taking Hainan as a case, we computed this province’s CE, and analyzed relationship between Hainan’s tourism economy its drivers of CE. The results showed that CE increased rapidly from 99.88×10 4 t in 2001 475.07×10 2015. Particularly, Tourism transport always accounted for largest proportion (more than 74%). Moreover, presented holistic weak decoupling (0.68) during 2001-2015. But rate only...

10.1051/e3sconf/201911804042 article EN cc-by E3S Web of Conferences 2019-01-01

Forestry carbon sink refers to the net income generated by forests, trees and woodlands in process of absorbing atmospheric dioxide fixing renewable forest resources. With rapid development Chinese economy accelerating industrialization urbanization, global climate change has become focus attention all countries. Forest a strong function. The study sequestration oxygen release value assessment is great significance for protection, utilization resources mitigation change. In this paper,...

10.1016/j.procs.2023.11.059 article EN Procedia Computer Science 2023-01-01

Five blended yarns were spun with polyacrylonitrile (PAN) fibers and polypropylene (PP) at different blending ratios, then knitted into fabrics. The obtained or fabrics modified using successive amidoximation coordination Fe 3+ ions to prepare the Fe-modified PAN/PP They used as heterogeneous Fenton catalysts for degradation of a typical azo dye, Reactive Red 195, investigate effect fiber ratio on modification, well mechanic catalytic performance. results indicated that increasing PP content...

10.1177/0040517512456759 article EN Textile Research Journal 2012-09-27

Forests are the largest pool of carbon in terrestrial ecosystems and important for climate change mitigation. By analyzing sequestration process forest ecosystem, amount can be modeled as a nonlinear function, mechanism discussed on this basis. The research first introduced relevant theories sequestration, followed by preparation visualization system construction based area data sources, then system, finally carried out simulation verification. results show that is effective accurate.

10.1016/j.procs.2023.11.062 article EN Procedia Computer Science 2023-01-01

This article studies the basic structure of computer network technology and analyzes its characteristics. The author studied specific practices security protection technology, information transmission digital application, data sharing, wide area equipment development monitoring storage in electronic engineering. this has how to do a good job encryption, improve timeliness update, reserve professional talents. purpose is stability system practical value technology.

10.1109/ichci51889.2020.00032 article EN 2020-12-01

The research on the development of big data from perspective policy tools, to help makers look for tools that can provide guidance and support data. is significant theoretical practical value promoting realizing strategy power country. Using content analysis method quantitative methods, this paper evaluates discusses China’s action plan tools. Government uses more supply-side demand-side stimulate Nevertheless, stage technology has not been given enough attention. To improve update data,...

10.3968/9588 article EN Canadian social science 2017-05-26

Abstract Smoothing is designed to yield smoother equating results that can reduce random error without introducing very much systematic error. The main objective of this study propose a new statistic and compare its performance the Akaike information criterion likelihood ratio chi‐square difference statistics in selecting smoothing parameter for polynomial loglinear under groups design. These model selection were compared four sample sizes (500, 1,000, 2,000, 3,000) eight simulated...

10.1111/jedm.12257 article EN Journal of Educational Measurement 2019-10-15
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