Yanjun Zhang

ORCID: 0000-0001-6889-9321
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About
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Research Areas
  • Hydrology and Watershed Management Studies
  • Flood Risk Assessment and Management
  • Hydrology and Drought Analysis
  • Hydrological Forecasting Using AI
  • Landslides and related hazards
  • Climate variability and models
  • Membrane Separation Technologies
  • Water Quality Monitoring Technologies
  • Tree-ring climate responses
  • Plant Water Relations and Carbon Dynamics
  • Advanced Sensor and Control Systems
  • Land Use and Ecosystem Services
  • Analytical Chemistry and Sensors
  • Corrosion Behavior and Inhibition
  • Soil erosion and sediment transport
  • Climate change and permafrost
  • Water Quality and Pollution Assessment
  • Tunneling and Rock Mechanics
  • Industrial Technology and Control Systems
  • Fault Detection and Control Systems
  • Polymer composites and self-healing
  • Electrochemical Analysis and Applications
  • Geothermal Energy Systems and Applications
  • Membrane-based Ion Separation Techniques
  • Asphalt Pavement Performance Evaluation

Jilin University
2015-2025

Beijing Normal University
2024

China Geological Survey
2024

Wuhan University
2011-2024

Tianjin University of Traditional Chinese Medicine
2016-2024

First Teaching Hospital of Tianjin University of Traditional Chinese Medicine
2024

Tianjin haihe hospital
2024

Beijing Institute of Technology
2013-2024

China Agricultural University
2009-2023

Beibu Gulf University
2023

Fast permeation and effective solute-solute separation provide the opportunities for sustainable water treatment, but they are hindered by ineffective membranes. We present here construction of a nanofiltration membrane with fast permeation, high rejection, precise Cl-/SO42- spatial temporal control interfacial polymerization via graphitic carbon nitride (g-C3N4). The g-C3N4 nanosheet binds preferentially piperazine tiles water-hexane interface as revealed molecular dynamics studies, thus...

10.1038/s41467-023-36848-8 article EN cc-by Nature Communications 2023-02-27

In recent years, rapid economic development, increasing human activities, and global climate change have led to escalating demands for land across production, residential, ecological domains. This surge has heightened use conflicts, significantly impacting sustainable utilization regional development. Drawing upon the “Production–Ecological–Living Space” (PELS) theory, this study employs a Patch-generating Land Use Simulation (PLUS) model project PELS of Harbin–Changchun Urban Agglomeration...

10.3390/land14010111 article EN cc-by Land 2025-01-08

To combat the coronavirus disease 2019 (COVID-19) pandemic, nonpharmaceutical interventions (NPIs) were implemented worldwide, which impacted a broad spectrum of acute respiratory infections (ARIs).Etiologically diagnostic data from 142 559 cases with ARIs, who tested for 8 viral pathogens (influenza virus [IFV], syncytial [RSV], human parainfluenza [HPIV], adenovirus [HAdV], metapneumovirus [HMPV], [HCoV], bocavirus [HBoV], and rhinovirus [HRV]) between 2012 2021, analyzed to assess changes...

10.1093/cid/ciab942 article EN Clinical Infectious Diseases 2021-11-11

Abstract Drought risk assessment can identify high‐risk areas and bridge the gap between impacts adaptation. It is thus vital to investigate changes in drought exposed social economy under climate change. Here, future global meteorological projected for 2021–2100 period four combined scenarios of Representative Concentration Pathways Shared Socioeconomic (SSPs), i.e., SSP1‐2.6, SSP2‐4.5, SSP3‐7.0, SSP5‐8.5. And then population Gross Domestic Product (GDP) high are analyzed. will further...

10.1029/2022ef003420 article EN cc-by-nc-nd Earth s Future 2023-05-01

Abstract With advances in artificial intelligence, machine learning-based models such as long short-term memory (LSTM) have shown much promise forecasting long-term runoff by mapping pathways between large-scale climate patterns and catchment responses without considering physical processes. The recognition of key factors plays a vital role thus affects the performance model. However, there is no conclusion on which algorithm most suitable. To address this issue, an LSTM model combined with...

10.1088/1748-9326/acaedd article EN cc-by Environmental Research Letters 2022-12-28

Measuring total nitrogen (TN) and phosphorus (TP) is important in managing heavy polluted urban waters China. This study uses high spatial resolution IKONOS imagery with four multispectral bands, which roughly correspond to Landsat/TM bands 1–4, determine TN TP small rivers lakes By using Lake Cihu the lower reaches of Wen-Rui Tang (WRT) River as examples, this paper develops both multiple linear regressions (MLR) artificial neural network (ANN) models estimate concentrations from remote...

10.3390/w7116551 article EN Water 2015-11-17

Abstract From the AcOEt extract of seeds Picrorhiza kurroa were isolated picrorhiza acid ( 1 ), picrorhizoside A 2 B 3 C 4 (−)‐shikimic 5 gallic 6 ellagic 7 isocorilagin 8 1‐ O ‐galloyl‐ β ‐ D ‐glucose 9 ,3‐ ,6‐ ‐trigalloyl‐ 10 and ,2‐ ,4‐ ‐pentagalloyl‐ 11 their structures established by extensive NMR chemical studies. Constituents – are novel compounds, known compounds have been for first time from P. kurroa. Compounds hydrolyzed yielded 12 , isochebulic acid. showed 89.6, 77.3, 56.1,...

10.1002/cbdv.200490036 article EN Chemistry & Biodiversity 2004-03-01

The study examined search engine coverage of websites across countries and domains. Websites in four domains (commercial, educational, governmental, organizational) from (U.S., China, Singapore, Taiwan) were randomly sampled by custom-built computer programs then manually filtered for their suitability the study. Representation 1,664 sites major engines (Google, Yahoo!, MSN, Yahoo! China) was terms whether site covered number pages indexed engines. found that U.S. received higher rates than...

10.1111/j.1083-6101.2007.00355.x article EN Journal of Computer-Mediated Communication 2007-04-01

10.1016/j.scitotenv.2022.159714 article EN The Science of The Total Environment 2022-10-24

With many trigger-action platforms that integrate Internet of Things (IoT) systems and online services, rich functionalities transparently connecting digital physical worlds become easily accessible for the end users. On other hand, such facilities incorporate multiple parties whose data control policies may radically differ even contradict each other, thus privacy violations arise throughout lifecycle (e.g., generation transmission) triggers actions. In this work, we conduct an in-depth...

10.1145/3460319.3464838 article EN 2021-07-08

As the world continues to urbanize, eco-environment of many countries is facing great pressure. The pressure particularly serious in China, where urbanization developing rapidly. At present, interaction between and eco-environment, characteristics coupling coordination degree (CCD) its driving factors are not clear. Correctly understanding relationship coordinating two key achieve sustainable development. This study took Harbin-Changchun urban agglomeration (HCUA) from 2000 2019 as research...

10.1016/j.ecolind.2022.109259 article EN cc-by-nc-nd Ecological Indicators 2022-08-05

Water quality prediction is an important part of water pollution prevention and control. Using a long short-term memory (LSTM) neural network to predict can solve the problem that comprehensive models are too complex difficult apply. However, as time series generally multiperiod hybrid series, which have strongly nonlinear nonstationary characteristics, accuracy LSTM for not high. The ensemble empirical mode decomposition (EEMD) method decompose into several simpler single-period components....

10.3390/w15081625 article EN Water 2023-04-21
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