A5102884729- Toxic Organic Pollutants Impact
- Manufacturing Process and Optimization
- Advanced machining processes and optimization
- Advanced Surface Polishing Techniques
- Advanced Measurement and Metrology Techniques
- Robotic Mechanisms and Dynamics
- Mechanical Behavior of Composites
- Advanced Numerical Analysis Techniques
- Effects and risks of endocrine disrupting chemicals
- Optical measurement and interference techniques
- Nuclear Physics and Applications
- Atmospheric chemistry and aerosols
- Epoxy Resin Curing Processes
- Air Quality and Health Impacts
- Composite Structure Analysis and Optimization
- Industrial Vision Systems and Defect Detection
- Mercury impact and mitigation studies
- Per- and polyfluoroalkyl substances research
- Environmental Toxicology and Ecotoxicology
- Iterative Learning Control Systems
- Industrial Technology and Control Systems
- Nuclear reactor physics and engineering
- Advanced Machining and Optimization Techniques
- Injection Molding Process and Properties
- Photonic and Optical Devices
Zhejiang University
2016-2025
University of Illinois Chicago
2016-2025
Auburn University
2024-2025
Zhejiang Institute of Mechanical and Electrical Engineering
2017-2025
Geological Exploration Institute of Shandong Zhengyuan
2025
Northwest Normal University
2022-2025
Zhejiang University of Technology
2017-2024
Beijing Chao-Yang Hospital
2021-2024
Capital Medical University
2021-2024
Chinese Academy of Sciences
2012-2024
This letter proposes a novel unmanned aerial vehicle (UAV)-enabled mobile jamming scheme to improve the secrecy rate of ground wiretap channel. Specifically, UAV is employed transmit signals combat against eavesdropping. Such particularly appealing since UAV-enabled jammer can fly close eavesdropper and opportunistically jam it by leveraging UAV's mobility. We aim maximize average jointly optimizing trajectory power over given flight period. To make problem more tractable, we drive...
This is the first study on organophosphate ester (OPEs) flame retardants and plasticizers in sediment of Great Lakes. Concentrations 14 OPEs were measured three cores 88 Ponar surface grabs collected from Lakes Ontario, Michigan, Superior North America. The sum these (Σ14OPEs) averaged 2.2, 4.7, 16.6 ng g–1 dw Superior, respectively. Multiple linear regression analyses demonstrated statistically significant associations between logarithm concentrations Σ14OPEs as well selected congeners grab...
A chemical mass balance model developed by the U.S. EPA, CMB8.2, was used to apportion major sources of PAHs found in sediments Lake Calumet and surrounding wetlands southeast Chicago. The results indicate feasibility applying CMB8.2 pollutants aquatic sediments. To establish fingerprints PAH sources, 28 source profiles were collected from literature. Some modified based on gas/particle partitioning individual PAHs. under same category averaged, six established, including coke oven,...
Nanocomposite films comprising polymer-functionalized single-walled carbon-nanotubes (SWNTs) and liquid crystal elastomers (LCEs) show a reversible IR-induced strain (∼−30%) at very low SWNT loading levels (≤0.2 wt%). SWNTs can efficiently transform absorbed IR light into thermal energy, thereby serving as nanoscale heat-source thermal- conduction pathway. The thermal-energy induced nematic– isotropic phase-transition, generating shape change in the nanocomposite film. Supporting information...
Sediment cores were taken in 2001 and 2002 Lake Superior at six locations away from lakeshores segmented 0.5−5 cm intervals. The year of sediment deposition was estimated for each segment four using the 210Pb dating technique. Samples Soxhlet-extracted cleaned up by silica gel fractionation, concentrations 10 polybrominated diphenyl ethers (PBDEs) 19 polychlorinated biphenyls (PCBs) measured GC-MS SIM mode. In contrast to recent declining or level-off trends PCB fluxes, sedimentary records...
Nanoscale zerovalent iron, n-ZVI, was found to be highly effective in reductively debrominating decabromodiphenyl ether (BDE209) at ambient conditions and without the catalysis of noble metals. A method developed immobilize n-ZVI particles on a cation-exchange resin. The coated resin then mixed with BDE209 water/ acetone (1:1) solution, reaction allowed proceed for up 10 days. first-order rate constant disappearance estimated 0.28 - 0.04 h(-1). debromination stepwise, less-brominated...
The concentrations of 13 currently used brominated flame retardants (BFRs) were analyzed in 16 sediment cores collected from the North American Great Lakes. Among them, 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), decabromodiphenyl ethane (DBDPE), hexabromocyclododecane (HBCD), 1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane (TBECH), and hexachlorocyclopentadienyl dibromocyclooctane (HCDBCO) more frequently detected than others. In general, these emerging BFRs have much lower polybromodiphenyl...
The southeast Tibetan Plateau (TP) of China is characterized by mountain-valley topography and usually the main channel for warm humid airstream from South Asia caused Indian monsoon. In this study, it hypothesized that some semivolatile organic pollutants such as organochlorine pesticides (OCPs) polycyclic aromatic hydrocarbons (PAHs) can be transported densely populated intensely agricultural Subcontinent via monsoon then cold-trapped mountains TP. Samples soils, lichens, conifer barks,...
As the most complex halogenated contaminants, short chain chlorinated paraffins (SCCPs) are scarcely reported in marine environments. In this work, a total of 117 surficial sediment (0-3 cm) samples and two cores were collected from Chinese Bohai Yellow Seas to systematically study spatial temporal trends SCCPs at large scale environment. Total SCCP concentrations sediments range 14.5-85.2 ng g(-1) (dry weight, d.w.) with an average level 38.4 d.w. Spatial distribution showed decreasing...
The placenta is the principal regulator of in utero environment, and disruptions to this environment can result adverse offspring health outcomes. To better characterize impact perturbations, we assessed influence known environmental pollutants on expression microRNA (miRNA) placental samples collected from National Children's Study (NCS) Vanguard birth cohort. This study analyzed 654 miRNAs 110 term placentas. Environmental measured these placentas included dichlorodiphenyldichloroethylene...
Previously unknown halogenated compounds were detected during the analysis of flame retardants in two sediment cores collected from Lake Michigan. Gas chromatography coupled with high- or low-resolution mass spectrometry (MS) was used to determine chemical structures for a total 15 novel polyhalogenated carbazoles (PHCs) general molecular formula C12H9-x-y-zNClxBryIz. On basis spectra generated by electron impact (EI) and capture negative ionization (ECNI) MS, eight PHCs tentatively...
Environmental exposure to organophosphate esters (OPEs) continues be a concern. Little is known about their bioaccumulation and trophodynamics, especially in tropical food webs. This study collected seawater fifteen types of organism from ecosystem, South China Sea, investigate the species-specific compositional, bioaccumulation, trophic transfer OPEs. The total concentrations 11 target OPEs (ng/g dw) organisms decreased with increase levels order: phytoplankton (922) > zooplankton (660)...
Polyhalogenated carbazoles (PHCZs) have been increasingly detected in the environment. Their similarities chemical structure with legacy pollutants and their potential toxicity caused increasing concern. In this work, 112 Ponar grab 28 core sediment samples were collected from Lakes Michigan, Superior, Huron, a total of 26 PHCZs analyzed along unsubstituted carbazole using gas chromatography coupled single- or triple-quadrupole mass spectrometry. Our results show that accumulation sediments...
Abstract. A first direct intercomparison of aerosol vertical profiles from Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) observations, performed during the Cabauw Intercomparison Campaign Nitrogen Dioxide measuring Instruments (CINDI) in summer 2009, is presented. Five out 14 participants CINDI campaign reported extinction and optical thickness (AOT) as deduced observations differential slant column densities oxygen collision complex (O4) at different elevation angles....
The associations of long-term exposure to various constituents fine particulate matter (≤2.5 μm in aerodynamic diameter, PM2.5) air pollution with lung function were not clearly elucidated developing countries. aim was evaluate the main PM2.5 China. This is a nationwide, cross-sectional analysis among 50,991 study participants from China Pulmonary Health study. Multivariable linear regression models used obtain differences forced expiratory volume 1 s (FEV1), vital capacity (FVC), FEV1/FVC,...
Per- and polyfluoroalkyl substances (PFASs) are widely detected in the environment may cause adverse human health effects after exposure. Studies on effect of PFASs some end points, including cancer, still limited show inconsistent results. In this research, 319 participants were recruited from Shandong Province, East China, consisting patients with thyroid cancer healthy controls. Seven novel legacy frequently (detection rate > 75%) serum samples participants. The concentrations...