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Wyszukujesz frazę "Wu, Hao" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
A new scheme of the environmental classification standards for the bronze cultural relic’s preservation in museums
Autorzy:
Li, Dandan
Zhou, Hao
Xu, Fangyuan
Yan, Ying
Wu, Laiming
Cai, Lankun
Powiązania:
https://bibliotekanauki.pl/articles/28407393.pdf
Data publikacji:
2023
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
QCM
temperature
humidity
indoor exposure
cultural relics
mikrowaga kwarcowa
temperatura
wilgotność
ekspozyja w pomieszczeniach
zabytki kultury
Opis:
The environmental risk classification of the metal relics is usually determined by the corrosion rate of the metal but it is difficult to monitor the deterioration of the metal relics directly. A strong relationship exists between indoor exposure, the air quality classification of atmospheric corrosion, and the actual deterioration of metal relics. The copper-silver hanging plate method requires a long period of environmental exposure and has certain hysteresis, thus reflecting the current environmental quality of the museum in real time poses some difficulties. However, the application of the environmental reactivity monitor (ERMs) based on the piezoelectric effect can solve the above problems. The invented quartz crystal microbalance (QCM) reactivity monitoring device is applied to study the influence of temperature and humidity on the corrosion of the bronze-simulated materials and the relationship between the corrosion depth rate of the bronze-simulated materials and the frequency change of the crystal oscillator. Then, the recommended classification range of temperature and humidity and the airquality classification standards for the preservation environment of the bronze cultural relics in museums are proposed.
Źródło:
Environment Protection Engineering; 2023, 49, 4; 45--59
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effectiveness of fly ash on the stabilization/solidification of Zn-contaminated soil
Autorzy:
Chen, Yan
Zhu, Shengyuan
Fang, Wei
Huang, He
Qin, Hao
Hu, Shengtao
Wu, Yuzhao
Powiązania:
https://bibliotekanauki.pl/articles/27323977.pdf
Data publikacji:
2023
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
fly ash
soil
heavy metals
X-ray diffraction
Zn2+
popiół lotny
gleba
metale ciężkie
dyfrakcja rentgenowska
Opis:
As a solid waste, the associated disposal cost of fly ash is really high. Previous studies suggested that the utilization of fly ash to treat heavy metal-contaminated soils was a new cost-effective method of disposal of it. Therefore, the effectiveness of fly ash stabilized/solidified Zn-contaminated soils has been investigated by unconfined compressive strength (UCS) and toxicity characteristics leaching procedure (TCLP) tests. Quantitative analysis of the soil microstructure was conducted by processing the X-ray diffraction (XRD) and scanning electron microscope (SEM) images. Mercury intrusion porosimetry (MIP) was carried out to illustrate the size and proportion of pore size for specimens under different ratios. The results of the tests showed an improvement in the UCS, which further increased as the content of binders was raised. Binder content would have little influence on the development of strength if the binder content exceeds a threshold value. The leached Zn2+ concentration of stabilized specimens was significantly decreased compared to that of untreated. Quantitative analysis confirmed that the addition of the binders resulted in the amount of hydration product, reduction of porosity, and a really random pores orientation, which was responsible for the improvement of the strength and leaching properties of the Zn2+ contaminated soils.
Źródło:
Environment Protection Engineering; 2023, 49, 3; 15--29
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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