24   Artículos

 
en línea
Yu Zhang, Xiangqiao Wang, Yuwen Yang and Bo Chen    
China has a vast territory and a long history of inland navigation. This paper is based on the Shaying River Shenqiu hub project, and a normal physical model with a geometric scale of 65 was established to simulate the characteristics of water and sedime... ver más
Revista: Water    Formato: Electrónico

 
en línea
Konstantinos P. Pagkalos, Orfeas Panetas-Felouris and Spyridon Vlassis    
In this work, a first-order low-pass filter is proposed as suitable for time-mode PWM signal processing. In time-mode PWM signal processing, the pulse width of a rectangular pulse is the processing variable. The filter is constructed using basic time-mod... ver más
Revista: Journal of Low Power Electronics and Applications    Formato: Electrónico

 
en línea
Lipengcheng Wan, Yonglei Li, Jinyu Song, Xiang Ma, Xiangqian Dong, Chao Zhang and Jiannong Song    
The vibration response of soil is a key property in the field of agricultural soil tillage. Vibration components of tillage machinery are generally used to reduce tillage resistance and improve work efficiency, and the pressure variation under low-freque... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Guangyuan Zhong, Hongwen Li, Jin He, Qingjie Wang, Caiyun Lu, Chao Wang, Zhenwei Tong, Dandan Cui and Dong He    
To solve the problem of low straw-cutting efficiency of single-disc openers of no-till planters under conditions of high soil moisture content, a single-disc furrowing and straw-cutting device was designed based on the support-cutting principle. To impro... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Jianjun Huang, Guoping Chen and Ryan J. Lowe    
When the fundamental natural frequency of marine structures is comparable to the dominant frequency of incident waves, the response of the load on the structure will be amplified. Accurately quantifying how wave loads can be amplified by incident wave co... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Dimitris G. Kaskaoutis, Diana Francis, Alireza Rashki, Jean-Pierre Chaboureau and Umesh C. Dumka    
The Sistan Basin has been recognized as one of the most active dust sources and windiest desert environments in the world. Although the dust activity in Sistan maximizes during the summer, rare but intense dust storms may also occur in the winter. This s... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Pablo Valenzuela, Miguel Iglesias, María José Domínguez-Cuesta and Manuel Antonio Mora García    
Asturias is one of the most landslide prone areas in the north of Spain. Most landslides are linked to intense and continue rainfall events, especially between October and May. This fact points out precipitation as the main triggering factor in the study... ver más
Revista: Geosciences    Formato: Electrónico

 
en línea
Indrani Medhi,Raghu S. Menon,Edward Cutrell,Kentaro Toyama     Pág. pp. 51 - 65 pgs.
One of the greatest challenges in designing applications for developing communities is that potential users may have little or no education. We investigate how limited education correlates with cognitive skills for conceptual abstraction, as required for... ver más
Revista: Information Technologies and International Development    Formato: Electrónico

 
en línea
B. MIKY FUNATSU,M. A. GAN,E. CAETANO    
This study presents a synoptic and dynamic analysis of a cyclogenesis event that occurred between July 8 and 9, 1996, over Uruguay, in the region of maximum frequency of cyclogenesis as detected in previous studies. The study is... ver más
Revista: Atmósfera    Formato: Electrónico

 
en línea
H. ABDEL BASSET,A. GAHEIN    
A diagnostic analysis of a Mediterranean system and the associated tropopause folding for the period 27 February to 10 March, 1987 is presented. Geopotential height, potential vorticity (PV) and relative humidity distributions w... ver más
Revista: Atmósfera    Formato: Electrónico

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