A5100393923- Pharmaceutical and Antibiotic Environmental Impacts
- Water Treatment and Disinfection
- Environmental remediation with nanomaterials
- Pesticide and Herbicide Environmental Studies
- Toxic Organic Pollutants Impact
- Advanced oxidation water treatment
- Water Quality and Pollution Assessment
- Heavy metals in environment
- Groundwater and Isotope Geochemistry
- Wastewater Treatment and Nitrogen Removal
- Groundwater flow and contamination studies
- Arsenic contamination and mitigation
- Advanced Surface Polishing Techniques
- Environmental Toxicology and Ecotoxicology
- Marine Bivalve and Aquaculture Studies
- Advancements in PLL and VCO Technologies
- Fire effects on ecosystems
- Analytical chemistry methods development
- Pesticide Exposure and Toxicity
- Mechanical Circulatory Support Devices
- Microbial bioremediation and biosurfactants
- Atmospheric chemistry and aerosols
- Antibiotic Resistance in Bacteria
- Marine and coastal plant biology
- Electrochemical Analysis and Applications
China University of Geosciences (Beijing)
2019-2023
Shanghai Institute of Optics and Fine Mechanics
2020
University of Chinese Academy of Sciences
2020
National Marine Environmental Monitoring Center
2019
China National Environmental Monitoring Center
2019
Chinese Research Academy of Environmental Sciences
2018
China Electronics Technology Group Corporation
2011
The metabolic ratio of (p,p′-DDE + p,p′-DDD)/p,p′-DDT or p,p′-DDE/p,p′-DDT has been used previously to estimate the approximate half-life p,p′-DDT, with a relatively unclear concept "old" and "new" sources p,p′-DDT without paying attention influence by dicofol-type DDT contributed from more recent usage dicofol. Based on isomeric o,p′-DDT/p,p′-DDT distinguish DDT, this study corrected accurate using model-based approach. This indicates average in Chinese topsoils was 14.2 ± 0.9 years input...
Modeling the mechanical stress birefringence and slow-axis distributions of optical plates is critical for lithography systems. In this paper, slow axes were modeled by finite element (FE) model, optic relations, ray-traced Jones matrices method. To validate load incremental approach was utilized to reduce disturbance residual in measurement. The measured axis plate show a good agreement with our numerical simulation results. This model provides better understanding reference design...
摘要: 数字滤波器在sigma-delta ADC芯片中占据了大部分芯片面积，该文提出了一种数字滤波器结构，这种结构滤波器采用一个控制单元和一个加法器取代了Hogenauer结构滤波器中差分器的多个加法器，从而减小数字电路的面积。一个采用这种结构的4阶的数字滤波器在CYCLONE II FPGA芯片中被实现，耗费的硬件资源比Hogenauer结构的滤波器减少近29%。 关键词: Sigma-delta 模数转换器; 滤波器; 差分器
As animal feed additives, both veterinary tetracycline antibiotics (TCs) and heavy metals, such as CuII ions, often coexisted in aquaculture wastewater could cotransport CuII–TCs complexes into groundwater. Previous study emphasized the oxidative role of on transformation TCs presence oxygen excess CuII, but with limited dark anoxic groundwater remained unclear. Hence, this systematically investigated CuII-mediated oxytetracycline (OTC), most widely used TCs, under conditions. The results...
Abstract The sources and ecological environment of heavy metal contamination in the surface sediment Honghai Bay were studied, contents seven metals samples from 20 sampling stations analysed. Principal Component Analysis ( PCA ) showed that contribution rates first second principal component was 60.41% 16.48%, respectively. study major industrial wastewater municipal wastewater. Combined with results correlation analysis between TOC, it found Cu, Pb, Zn, Cr As had a certain degree homology....
Abstract In a comparison of modified nanoscale zero-valent iron (NZVI), bare NZVI used to remediate deep contaminated groundwater source areas has more advantages. However, the influence injected deposition on permeability aquifer remains unclear, together with which are still key factors engineering cost and contamination removal. Hence, this study sought assess method measuring hydraulic conductivity constant head device examine loss mechanism into different saturated porous media, using...
The measurement method and apparatus of cutting force by high speed milling is introduced. wrought aluminum alloy measured analyzed through separately examining the influences various factors, such as speed, depth, width, feed per tooth, down or up milling, cooling lubricating. results match with outcomes from other’s tests theory metal cutting, are close to calculated values, so that test can be regarded positive. It pointed out little properly great working engagement rate, efficient...
Due to the complexity of pollutant properties, pollution sources and groundwater recharge discharge conditions, occurrence antibiotics in has significant spatial variability. In order identify relationship between antibiotic hydrochemistry groundwater, this study was carried out a characteristic alluvial-diluvial aquifer where receives unidirectional from surface water. A total 47 samples were collected along Hutuo river before after artificial replenishment project. This screened for up 4...