Results 41 to 50 of about 1,012,948 (219)

Preparation, characterization and optimization of superhydrophobic PVDF-PVC composite membrane based on concentration change of casting solution

Materials Research Express, 2020
The PVDF/PVC superhydrophobic composite membrane was prepared by non-solvent induced phase separation method. When the concentration of PVDF/PVC(= 85/15) is 4%, DMF can be used as a solvent to prepare PVDF/PVC superhydrophobic composite membrane by using
Dashuai Zhang, Xiaoxue Lin, Yan Zhang, Xiaopeng Zhang, Chen Li, Yang Lin, Tianyi Sun, Linhua Zhu, Qiang Lin, Zaifeng Shi   +9 more
doaj   +1 more source

Titanium Dioxide Nanoparticle and Carbon Nanotube Incorporated Carbon Nanofiber Nanocomposite Modified Electrode for Hemoglobin Electrochemistry

International Journal of Electrochemical Science, 2020
This study aimed to achieve direct electron transfer of bovine hemoglobin (Hb) on titanium dioxide nanoparticle and carbon nanotubes incorporated carbon nanofiber (TiO2-CNT-CNF) nanocomposite modified carbon ionic liquid electrode (CILE). Electrochemical
Lin Zhu, Yuhua Wang, Zhen Ai, Xi Zhang, Xiaoyan Li, Xiaoping Zhang, Wei Sun   +6 more
doaj   +1 more source

Evaluation and source identification of water pollution.

Ecotoxicology and Environmental Safety
Maintaining good surface water quality is essential for protecting ecosystems and human health. Henan Province has long faced challenges related to water scarcity and severe water pollution.
Huaibin Wei, Hao Qiu, Jing Liu, Wen Li, Chenchen Zhao, Hanfei Xu   +5 more
semanticscholar   +1 more source

Water quality assessment based on Nemerow pollution index method: A case study of Heilongtan reservoir in central Sichuan province, China

PLoS ONE, 2022
In this paper, three monitoring sections were set up in Heilongtan Reservoir, and water samples were collected in 2019, 2020, and 2021 for the determination of physical and chemical properties such as permanganate index, chemical oxygen demand, and ...
Kai Su, Qin Wang, Linxiao Li, Rong Cao, Yingwei Xi, Guizhi Li   +5 more
semanticscholar   +1 more source

Deep optimization of water quality index and positive matrix factorization models for water quality evaluation and pollution source apportionment using a random forest model.

Environmental Pollution
Effective evaluation of water quality and accurate quantification of pollution sources are essential for the sustainable use of water resources. Although water quality index (WQI) and positive matrix factorization (PMF) models have been proven to be ...
Han Zhang, Xingnian Ren, Sikai Chen, Guoqiang Xie, Yuansi Hu, Dongdong Gao, Xiaogang Tian, Jie Xiao, Haoyu Wang   +8 more
semanticscholar   +1 more source

A novel ZrGeO4 catalyst for degradation of organic dye pollutants at room temperature without light illumination

Green Chemistry Letters and Reviews, 2020
New catalysts satisfying simultaneously pollutant-removing and energy-saving have great potential in numerous environmental applications. To develop catalysts effective in decomposing organic dye pollutants under the energy-saving conditions of catalytic
Jianting Tang, Haoran Liu, Caixian Zhao, Tongde Rao, Lei Hu, Chuanbo Hu, Lei Zhang, Tingzhen Li   +7 more
doaj   +1 more source

Analysis and Control of Pollution Characteristics of Chemical Waste Water

Chemical Engineering Transactions, 2018
With the development of modern social science and technology, the role of the chemical industry in social development is increasingly important. The chemical industry has promoted China's economic progress. While the economic benefits are good, it also brings about certain environmental pollution problems.
openaire   +2 more sources

Electrochemical Biosensor Based on Myoglobin for Trichloroacetic Acid and Nitrite Determination

International Journal of Electrochemical Science, 2019
In this paper the effect of gold nanochains (AuNCs) on direct electron transfer of Myoglobin (Myb) was studied in detail. A Nafion polymer dispersions, Myb solution and AuNCs solution were dropped on carbon ionic liquid electrode (CILE) in sequence to ...
Guiling Luo, Hui Xie, Hamza Abdalla Yones, Si Mi, Binghang Li, Yubao Wang, Pengying Chen, Guangjiu Li, Wei Sun   +8 more
doaj   +1 more source

MXene membrane with directionally functionalized channel entrances for enhanced ion selectivity and permeability

Nature Communications
Ion-separation membranes that combine high selectivity with high permeability are important for various practical applications. Molecular functionalization of sub-nanochannel membranes is widely used to improve ion separation selectivity; however, it ...
Hang Yu, Rongming Xu, Jiachun Ren, Ling Yuan, Zheng Cui, Weiming Zhang, Zhuyuan Wang, Lu Lv, Xiwang Zhang, Bingcai Pan   +9 more
doaj   +1 more source

Mechanism of karst ground collapse and evaluation of disaster risk in Chengnan community, Yingde City, China

Carsologica Sinica
Karst ground collapse is one of the most common geological hazards in karst areas. It is characterized by concealment, sudden occurrence and inhomogeneity, along with various other complex features.
Heng WANG, Yijuan YAO, Kui ZHAO, Yudao CHEN, Jiaxiao QIN   +4 more
doaj   +1 more source