Junwei Li

ORCID: 0000-0001-8155-1100
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About
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Research Areas
  • Environmental Changes in China
  • Trace Elements in Health
  • Medical Imaging Techniques and Applications
  • Environmental and Agricultural Sciences
  • Heavy Metal Exposure and Toxicity
  • Liver Disease Diagnosis and Treatment
  • Cancer-related molecular mechanisms research
  • Orthopedic Infections and Treatments
  • TGF-β signaling in diseases
  • Environmental Science and Water Management
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Clinical practice guidelines implementation
  • Vehicle emissions and performance
  • RNA modifications and cancer
  • Botanical Research and Applications
  • Intestinal Malrotation and Obstruction Disorders
  • Atmospheric and Environmental Gas Dynamics
  • Bone and Joint Diseases
  • Atomic and Subatomic Physics Research
  • Automated Road and Building Extraction
  • Coastal wetland ecosystem dynamics
  • Aquaculture Nutrition and Growth
  • Forest, Soil, and Plant Ecology in China
  • Educational Reforms and Innovations
  • Microbial Metabolism and Applications

Technical University of Munich
2024-2025

Hunan Children's Hospital
2021-2025

Central South University
2025

Shandong Provincial QianFoShan Hospital
2015-2021

Yunnan Agricultural University
2021

Shandong First Medical University
2021

Hangzhou Dianzi University
2020

Shandong University
2015-2019

Tianjin University of Technology
2019

Wenzhou Medical University
2011-2018

This study aimed to determine whether adding pointwise encoding time reduction with radial acquisition (PETRA) images conventional magnetic resonance (MR) imaging improves the depiction and characterization of traumatic fractures in pediatric patients. Twenty-nine subjects a control group twenty individuals without were included. Two independent observers assessed MR, PETRA, combined MRI + PETRA images, documenting presence fractures, bone fragments, callus formation, displacement, size,...

10.1186/s12880-025-01594-4 article EN cc-by-nc-nd BMC Medical Imaging 2025-02-18

Emissions of greenhouse gases (GHGs) are known drivers climate change and related effects; however, they continue to increase every year despite current reduction efforts. Rising populations worldwide as well changes in land use anthropogenic activities contribute significantly this observed, unmitigated GHG emissions. Cities clear hotspots for sources GHGs, a regional or national emission plan is not enough effectively target their complex unique source compositions relative contributions....

10.5194/egusphere-egu25-2888 preprint EN 2025-03-14

Top-down estimation of greenhouse gas emissions requires the combination reliable measurements their atmospheric concentrations with inversions. The German Integrated Greenhouse Gas Monitoring System (ITMS) combines in situ and satellite measurements, transport modelling inverse techniques aiming at an operational top-down monitoring emissions. We contribute to this effort by establishing highly consistent accurate observations column-average mole fractions carbon dioxide (XCO2), methane...

10.5194/egusphere-egu25-11005 preprint EN 2025-03-14

Cities are hot spots on greenhouse gas (GHG) emissions, yet green infrastructure (GI) such as spaces and parks provides potential solution for reducing urban carbon footprints through photosynthetic uptake sequestration. Studies have shown that the offset of vegetation local anthropogenic CO2 emissions varies between 2% 100%, underscoring complexity associated with this solution. Quantifying CO2 capture by GI is challenging due to interplay respiration, seasonal variability,...

10.5194/egusphere-egu25-11711 preprint EN 2025-03-14

The Munich Urban Carbon Column network (MUCCnet) consists of five solar-tracking Fourier Transform spectrometers (EM27/SUN) measuring column-averaged mole fractions carbon dioxide (XCO2), methane (XCH4), and monoxide (XCO). They are strategically placed in the center every cardinal direction. Starting with one instrument 2015, MUCCnet has been collecting data continuously instruments since 2020, allowing a detailed analysis Munich's urban greenhouse gas emissions based on inverse methods. To...

10.5194/egusphere-egu25-17841 preprint EN 2025-03-15

The city of Zurich, Switzerland, aims to achieve net-zero greenhouse gas emissions by the year 2040. To support in monitoring its path towards this ambitious goal, an emission program has been established with two complementary approaches. first involves a network CO2 mid- and low-cost sensors combination atmospheric transport inverse modelling. second, presented here, combines flux measurements from Eddy-covariance system installed on 17 m mast top 95 tall building center footprint modeling...

10.5194/egusphere-egu25-10046 preprint EN 2025-03-14

Abstract. Urban areas are significant contributors to global CO2 emissions, requiring detailed monitoring support climate neutrality goals. This study presents a high-resolution modeling framework using GRAMM/GRAL, adapted for simulating atmospheric concentrations from anthropogenic and biospheric sources sinks in Zurich, Switzerland. The resolves at the building scale, it employs inventory of emissions as well fluxes, which were calculated Vegetation Photosynthesis Respiration Model (VPRM)....

10.5194/egusphere-2025-640 preprint EN cc-by 2025-04-03

Side-scan sonar is widely utilized in the field of underwater exploration. Accurate segmentation side-scan images an essential part image processing. To improve accuracy and reduce occupancy computing resources, a new active contour model for proposed this article. Firstly, we make energy function each pixel determined by itself its neighbors. This article embeds local texture neighborhood region system define structure to against noise object boundary pollution image. Further, introduce...

10.1109/jsen.2020.3013649 article EN IEEE Sensors Journal 2020-08-03

Subarachnoid hemorrhage (SAH) is a cerebral disease that severely damages the brain and causes cognitive impairment (CI). Therefore, accurate appropriate treatment strategies are urgently needed. The application of nimodipine can not only improve blood circulation in patients with SAH but also repair ischemic neuron injury.To investigate effects lncRNA nuclear paraspeckle assembly transcript 1 (NEAT1)/miR-27a/microtubule-associated protein tau (MAPT) axis on CI after SAH.One hundred twenty...

10.2147/dddt.s248115 article EN cc-by-nc Drug Design Development and Therapy 2020-06-01

To investigate the synergistic antitumour effect of Clostridium butyricum combined with apatinib on colorectal cancer in mice. Murine carcinoma cell line CT26.WT cells were xenografted into skin BALB/c Tumour-bearing mice randomly divided four groups, and given different treatment options (PBS control; C. butyricum; apatinib; + apatinib). Real-time PCR was used to detect content intestine butyricum. The effects various regimens tumour growth monitored, CD31, proliferating nuclear antigen...

10.1097/cad.0000000000000817 article EN Anti-Cancer Drugs 2019-06-15

The concentration of CO2 in the atmosphere is strongly influenced by vegetation photosynthesis, respiration, and soil activity. To accurately estimate urban anthropogenic emissions, it essential to understand carbon flux city. Compared with rural areas, inside cities distributed more inhomogeneously sometimes shows different behaviours. Therefore, we have tested updated versions VPRM achieve accurate high-resolution biogenic fluxes for areas. In framework ICOS Cities project, multiple models...

10.5194/egusphere-egu24-12190 preprint EN 2024-03-08

Cortical bone can be clearly displayed by CT-like MRI using ultrashort TE sequence. This study aimed to investigate the value of PETRA (ct-PETRA) sequence in pediatric musculoskeletal diseases. Our results showed that ct-PETRA had no significant difference measuring C-E index and acetabulum children's hip joint compared with X-ray, visualization lesions X-ray CT. Moreover, has more advantages than displaying trabecular fracture fine bone. used as conventional complementary for some assessments

10.58530/2023/2138 article EN Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition 2024-08-14

Abstract. Quantifying the capacity and dynamics of urban carbon dioxide (CO2) emissions sequestration is becoming increasingly relevant in development integrated monitoring systems for greenhouse gas emissions. There are multiple challenges towards these goals, such as partitioning atmospheric measurements CO2 fluxes to anthropogenic biospheric processes, insufficient understanding applicability existing biosphere models systems. In this study we applied four varying complexity (diFUME,...

10.5194/egusphere-2024-2475 preprint EN cc-by 2024-09-04

Spindle cell carcinoma (SpCC) is a rare tumor type with poor prognosis, and standard treatment modalities are not available yet. However, large-scale studies on this topic sparse. In study, data from the surveillance, epidemiology, end results (SEER) database were used to determine cancer-specific survival (CSS) rates of SpCC investigate impact different therapeutic strategies including surgery or without chemotherapy, radiotherapy, chemoradiotherapy patient outcome.A total 665 cases SpCC,...

10.4103/jcrt.jcrt_1701_20 article EN Journal of Cancer Research and Therapeutics 2021-11-01

Abstract Objective: To describe the clinical features of autoimmune glial fibrillary acidic protein (GFAP) astrocytopathy in children. Method: Data from 11 pediatric patients with GFAP astrocytopathywas retrospectively analyzed. Results: All showed encephalitis and meningoencephalitis or meningoencephalomyelitis without myelitis, include fever (45.4%), headaches (27.3%), dizziness (18.2%), drowsiness (18.2%) mental disorders (18.2%). Cerebrospinal fluid (CSF) were detected all patients. The...

10.21203/rs.3.rs-839718/v1 preprint EN cc-by Research Square (Research Square) 2021-09-03
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