Zizhen Ma

ORCID: 0000-0002-1583-7220
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About
Contact & Profiles
Research Areas
  • Air Quality and Health Impacts
  • Industrial Gas Emission Control
  • Atmospheric chemistry and aerosols
  • Recycling and Waste Management Techniques
  • Air Quality Monitoring and Forecasting
  • Aerosol Filtration and Electrostatic Precipitation
  • Advancements in Battery Materials
  • Gas Sensing Nanomaterials and Sensors
  • Vehicle emissions and performance
  • Advanced Chemical Sensor Technologies
  • Supercapacitor Materials and Fabrication
  • Mercury impact and mitigation studies
  • Advanced battery technologies research
  • Cyclone Separators and Fluid Dynamics
  • Smart Materials for Construction
  • Catalytic Processes in Materials Science
  • Extraction and Separation Processes
  • Plant responses to elevated CO2
  • Recycled Aggregate Concrete Performance
  • Coal and Its By-products
  • Chromium effects and bioremediation
  • Robotics and Sensor-Based Localization
  • Magnetic and Electromagnetic Effects
  • Aerogels and thermal insulation
  • Maritime Transport Emissions and Efficiency

Qingdao University of Technology
2021-2025

Qingdao University of Science and Technology
2021-2024

China University of Mining and Technology
2023-2024

State Key Joint Laboratory of Environment Simulation and Pollution Control
2016-2023

Tsinghua University
1998-2023

China University of Petroleum, East China
2022

Chinese Research Academy of Environmental Sciences
2020

Chengdu University of Information Technology
2015

Acidity is an important property of particulate matter (PM) in the atmosphere, but its association with PM toxicity remains unclear. Here, this study quantitively reports effect acidity level on via pH-control experiments and cellular analysis. Oxidative stress cytotoxicity potencies acidified samples at pH 1–2 were up to 2.8–5.2 2.1–13.2 times higher than those 8–11, respectively. The toxic from real-world smoke plumes 2.3 9.1–18.2 greater 5.6, demonstrating a trend similar that samples....

10.1021/acs.est.4c00929 article EN Environmental Science & Technology 2024-04-02

The dry impinger method, the indirect dilution and direct method can be used to measure condensable particulate matter (CPM) emissions. We tested these methods in determining CPM emissions from typical stationary sources China found that concentrations measured by are much higher than those two regardless of type source. soluble gases (e.g., SO2, HCl, NH3) partially absorbed solutions main reason for overestimation concentrations. This is supported detecting more water-soluble ions SO42–,...

10.1021/acs.est.9b05282 article EN Environmental Science & Technology 2020-01-06

Magnetic particulate matter (PM) has raised increasing concern due to its abundant presence in ambient air and negative health impact. However, there is still a lack of comprehensive understanding their emission sources toxicities. We here report the observation high magnetic property toxicity PM generated during typical welding cutting processes. Magnetite, formed high-temperature operation with less oxygen pressure, was revealed be major contributor. The averaged saturation magnetization...

10.1021/envhealth.4c00021 article EN cc-by-nc-nd Environment & Health 2024-03-19

Industrial emission is a major contributor to volatile organic compound (VOC) pollution. However, timely and accurately tracking the primary pollution sources in industrial communities remains challenge. Here, we deployed three ultra-high density VOC sensor networks across package printing park (103 sites/km2), fine chemical (8.57 an urban area central China investigate characteristics identify specific high-pollution plants or these communities. The average concentrations of (320 ± 262 ppb)...

10.2139/ssrn.5080257 preprint EN 2025-01-01

Distance estimation using a monocular camera is one of the most classic tasks for computer vision. Current distance estimating methods need lot data collection or they produce imprecise results. In this paper, we propose network both object detection and estimation. A network-based on ShuffleNet YOLO used to detect an object, self-supervised learning estimate distance. We calibrated camera, parameters were integrated into overall network. also analyzed parameter variation pose. Further,...

10.3390/s22082936 article EN cc-by Sensors 2022-04-12

The volatile organic compounds emitted by plants significantly impact the atmospheric environment. impacts of drought stress on biogenic compound (BVOC) emissions are still under debate. In this study, effects two drought-rehydration cycle groups with different durations isoprene from Populus nigra (black poplar) seedlings were studied. P. placed in a chamber that controlled soil water content, radiation, and temperature. daily physiological parameters measured. emission rates (Fiso) reached...

10.3390/ijerph192114528 article EN International Journal of Environmental Research and Public Health 2022-11-05
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