scholarly journals Filtration Property of Monofilament Core–Shell Mesh Fabric Treated Via Tourmaline Hot Coating

2019 ◽  
Vol 19 (2) ◽  
pp. 127-133 ◽  
Author(s):  
Haiwen Mao ◽  
Pibo Ma ◽  
Gaoming Jiang

Abstract In this study, woven fabrics with numerous electrostatic charges and desirable charge stability were investigated. A kind of core–shell monofilaments with different melting points between outer and inner layers were applied to wove the fabrics. These fabrics were hot coated through tourmaline particles as an charge enhancer at 122°C. Benefiting from the anions released by tourmaline particles and optimized content of the particles, the fabrics were endowed with surface potentials from −10 to −160 V and the voids content decreased from 45.4% to 41.2%, which contribute to the improvement in the filtration performance of the fabrics. A filtration mechanism was proposed while incremental surface charges with increasing tourmaline particles content have been confirmed through the noncontact measurement of electrostatic charges. The resultant fabrics exhibited a high filtration efficiency of 64.8% and superior long-term service performance. This study can provide a new application of the screen window for PM 2.5 governance.

2018 ◽  
Author(s):  
Nicolò Bontempi ◽  
Irene Vassalini ◽  
Stefano Danesi ◽  
Matteo Ferroni ◽  
Paolo Colombi ◽  
...  

<p>Here we investigate for the first time the opto-thermal behavior of SiO<sub>2</sub>/Si core/shell microbeads (Si-rex) irradiated with three common Raman laser sources (lambda=532, 633, 785 nm) under real working conditions. We obtained an experimental proof of the critical role played by bead size and aggregation in heat and light management, demonstrating that in the case of strong opto-thermal coupling the temperature can exceed that of the melting points of both core and shell components. In addition, we also show that weakly coupled beads can be utilized as stable substrates for plasmon-free SERS experiments.</p>


2018 ◽  
Vol 18 (11) ◽  
pp. 7767-7774 ◽  
Author(s):  
Kai Wu ◽  
Shuang Zhang ◽  
Suxuan Lin ◽  
Jie-Xin Wang ◽  
Yuan Le

Author(s):  
Ya-Ping Hu ◽  
Yi-Ming Chiang

This study investigates the synergistic relationships among intellectual capital, process capability, and medical service performance. An empirical study was conducted by using a second-order research framework. Data were collected through a questionnaire survey, and structural equation modeling techniques were used to analyze the data. An empirical analysis revealed that intellectual capital is a major factor influencing final medical service performance. This major factor should be carefully improved to increase process capability in hospitals in the long term. Hospitals account for a substantial proportion of the intellectual capital in the health-care industry, and, thus, should improve their process capability to achieve high medical service performance.


2010 ◽  
Vol 27 (1) ◽  
pp. 45-52
Author(s):  
M. Perry ◽  
P.F. Morris ◽  
P.D. Clarke
Keyword(s):  

2012 ◽  
Vol 120 (12) ◽  
pp. 1727-1732 ◽  
Author(s):  
Seung-Jae Lee ◽  
Marc L. Serre ◽  
Aaron van Donkelaar ◽  
Randall V. Martin ◽  
Richard T. Burnett ◽  
...  

2021 ◽  
Vol MA2021-01 (4) ◽  
pp. 246-246
Author(s):  
Chirayu Khunrugsa ◽  
Poramane Chiochan ◽  
Farkfun Duriyasart ◽  
Chonticha Jangsan ◽  
Pattranit Kullawattanapokin ◽  
...  

ChemNanoMat ◽  
2019 ◽  
Vol 5 (6) ◽  
pp. 814-819 ◽  
Author(s):  
Ronghui Que ◽  
Gang Ji ◽  
Daoshuang Liu ◽  
Maolin Li ◽  
Sheng Liu

NANO ◽  
2019 ◽  
Vol 14 (11) ◽  
pp. 1950138 ◽  
Author(s):  
Sai Zhang ◽  
Shijun Yue ◽  
Jiajia Li ◽  
Jianbin Zheng ◽  
Guojie Gao

Au nanoparticles anchored on core–shell [Formula: see text]-Fe2O3@SnO2 nanospindles were successfully constructed through hydrothermal synthesis process and used for fabricating a novel nonenzymatic dopamine (DA) sensor. The structure and morphology of the Au/[Formula: see text]-Fe2O3@SnO2 trilaminar nanohybrid film were characterized by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM) and X-ray diffraction (XRD). The electrochemical properties of the sensor were investigated by cyclic voltammetry and amperometry. The experimental results suggest that the composites have excellent catalytic property toward DA with a wide linear range from 0.5[Formula: see text][Formula: see text]M to 0.47[Formula: see text]mM, a low detection limit of 0.17[Formula: see text][Formula: see text]M (S/[Formula: see text]) and high sensitivity of 397.1[Formula: see text][Formula: see text]A[Formula: see text]mM[Formula: see text][Formula: see text]cm[Formula: see text]. In addition, the sensor exhibits long-term stability, good reproducibility and anti-interference.


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