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Xiaobin Shen, Chunhua Xiao, Yijun Ning, Huanfa Wang, Guiping Lin and Liangquan Wang
The impact of supercooled water droplets is the cause of aircraft icing, and the acquisition of impingement characteristics is the key to icing prediction and the design of ice protection systems. The introduction of water droplet collection efficiency i...
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Nikolay Makarov, Piero Papi, Vincenzo Santomauro, Gabriele Di Carlo, Antonella Polimeni, Bianca Di Murro and Matteo Saccucci
Background: Recently, intraoral scanning (IOS) has been proposed as a new tool to evaluate the accuracy of static computer-assisted implant surgery (s-CAIS); however, further research is needed to improve the precision of IOS for full-arch impressions. T...
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Ali Reza Ghanizadeh, Ahmad Aziminejad, Panagiotis G. Asteris and Danial Jahed Armaghani
Earthquake-induced soil liquefaction (EISL) can cause significant damage to structures, facilities, and vital urban arteries. Thus, the accurate prediction of EISL is a challenge for geotechnical engineers in mitigating irreparable loss to buildings and ...
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Anna Wajs-Bonikowska, Lukasz Szoka, Pawel Kwiatkowski and Ewa Maciejczyk
Greek fir (Abies cephalonica) seeds and cone scales were used, for the first time, for an analysis of their biologically active volatile compounds. It was observed that the yield of seed essential oil was 18%, which, among plants, is impressive. The seed...
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Jianlei Zhao, Jun Zhou, Chenyang Sun, Xu Wang, Zian Liang and Zezhong Qi
Adjusting tillage parameters according to soil conditions can reduce energy consumption. In this study, the working parameters and soil physical parameters of plowing were determined using a designed electric suspension platform and soil instrument. The ...
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Siru Chen, Yao Shi, Guang Pan and Shan Gao
Aiming at the problem of unsteady cavitation during a projectile?s vertical water-exit process, scaled model experiments were carried out based on the self-designed underwater launch platform and high-speed cameras, which focus on changes in cavitation s...
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Asrori Asrori,Sudjito Suparman,Slamet Wahyudi,Denny Widhiyanuriyawan
Pág. 31 - 41
The study to investigate the thermal performance of solar cooker using a spot Fresnel lens for concentrators of solar thermal energy is conducted.The main objectives of the present work are:a) to develop a new design of the cooking pot of solar cook...
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Hao Yan, Zhaoping Xu, Juntang Yuan, Meiyan Liu and Wenqing Ge
In the synchronization process of a synchronizer, the friction coefficient of the friction cone is changed because of friction heat. In this paper, the influence of a changing friction coefficient on shift quality was analyzed. The quantitative relations...
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Claudio E. Montenegro, Mariana Pereira, Isidro Soloaga
Pág. pp. 341 - 368
Using a gravity model, this article presents an analysis of aggregate trade flows aimed at identifying China?s impact on Latin America?s trade. The results obtained indicate that: i) China´s growth in the last years implied a growing supply of exports to...
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C. CASICCIA,F. ZAMORANO,A. HERNÁNDEZ
The most austral zone of the Southern Cone of South America, which is sometimes under the influence of the Antarctic Ozone Hole (AOH), occasionally receives enhanced levels of ultraviolet B radiation (UV-B: 280-320 nm). Ultraviolet erythemal irradianc...
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