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Materials ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 418
Author(s):  
Zhao Zhang ◽  
Quan Shu ◽  
Shaolin Ge ◽  
Shouhu Xuan

This paper reports a plasma treatment (PT) method for improving the surface hydrophilicity and mechanical properties of cellulose in reconstituted tobacco paper-base. The absorption and infiltration rates of water droplets on PT-reconstituted tobacco paper-base-15s were significantly accelerated. Notably, the increased content of methylene and alkyl groups enabled the tobacco paper-base to absorb more useful substrates in the tobacco extract after plasma treatment. In addition, the tensile mechanical performance of reconstituted tobacco was significantly improved after plasma treatment, which indicated that the content of organic matter absorbed by the tobacco paper-base sheet was increased. Moreover, tobacco extract infiltrated on the surface of PT-reconstituted tobacco paper-base reached 37.7° within 30 s, while it reached 79.9° on the reconstituted tobacco paper-base. Finally, the mechanism by which the surface hydrophilicity and mechanical properties of the cellulose in the tobacco paper-base were improved is discussed.


2022 ◽  
pp. 152374
Author(s):  
Yizhou Liu ◽  
Tianbao Wang ◽  
Zhenyu Song ◽  
Min Chen

RSC Advances ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 297-308
Author(s):  
Zhi Chen ◽  
Yongbo Hu ◽  
Xu He ◽  
Yihao Xu ◽  
Xuesong Liu ◽  
...  

We investigated a one-step method for calcium superhydrophobic surface preparation and researched the formation process of loose, flower-like microstructures. Also, we found that the pressing force strongly impacts the dynamics of water droplets.


2022 ◽  
Vol 171 ◽  
pp. 107241
Author(s):  
Zhibing Zhu ◽  
Xuan Zhang ◽  
Yugang Zhao ◽  
Xiaoyang Huang ◽  
Chun Yang
Keyword(s):  

2022 ◽  
pp. 3-3
Author(s):  
Miloš Stojković-Minić

The aim of this paper is to interpret the term Aquatecture in the design process for Zone 8 of Belgrade Linear Park, as a case study for understanding the concept and methodology used, as well as their application in operational architectural and urban practice. The paper describes the methodological procedure applied to structuring the space using water, with the aim of designing ambiences inspired by nature. This methodological experiment is illustrated with graphical representations of the process itself, in which the colors and shapes of water are analyzed through the observation of water droplets under the microscope. The research hypothesis is that one drop of water contains information important for architectural activities, and therefore the research offers a set of procedures and methods that can be applied and controlled through the creative act of coloring and shaping, or more precisely the creation of Spatial Images. The methodological procedure in the research can be described as poetic and artistic, at the same time containing a scientific element in the analysis and observation of the water sample under the microscope. All other visual perceptual observations and results in the interpretation of the observed environment and the water droplets, as well as their colors and shapes, are offered as extremely intuitive. The research is presented in the form of a Tableau consisting of seven parts and a set of photographs, drawings and images, as well as tone maps (color palette), according to which the results are applied through Spatial Images. Spatial images are interpreted as Ambience inspired by nature, at a specific location: Zone 8 of Belgrade Linear Park, as a case study for researching this methodological procedure. The data obtained in this way is applied in the structuring of the park's aquatecture and pavilions. The waterflows in the park itself are explained in the text, as well as the spatial structures such as the landscape fountain on the square and the main park pavilion itself, which is interpreted as a one-of-a-kind House of water. Therefore, as a product of the work, an environmental project inspired by nature is offered as the Aquatecture of Zone 8 in Belgrade Linear Park, illustrating the practical application of water as a methodological tool, and an inspiration in the processes of architectural design and water space structuring. In this way, the case study of the Conceptual Architectural and Urban Design of Zone 8 of the Linear Park in Belgrade offers new interpretations and understandings of Aquatecture in Belgrade in professional practice. More precisely, it re-examines ways of applying and understanding the concepts of the Blue Green Dream (BGD) and Nature Based Solutions (NBS) in shaping public spaces in the city.


Author(s):  
William D Fahy ◽  
Elena C Maters ◽  
Rona Giese-Miranda ◽  
Michael P Adams ◽  
Leif G Jahn ◽  
...  

Volcanic ash nucleates ice when immersed in supercooled water droplets, giving it the potential to influence weather and climate from local to global scales. This ice nucleation activity (INA) is...


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