Results 61 to 70 of about 14,840,273 (340)

Prediction of water retention of soils from the humid tropics by the nonparametric k-nearest neighbor approach [PDF]

, 2013
Nonparametric approaches such as the k-nearest neighbor (k-NN) approach are considered attractive for pedotransfer modeling in hydrology; however, they have not been applied to predict water retention of highly weathered soils in the humid tropics ...
Attila Nemes, Babalola, Bannayan, Berg, Botula, Bouma, Bouma, Braudeau, Bronick, Brooks, Buishand, Cornelis, Cornelis, Dam, Dasarathy, Deng, Elshorbagy, Elshorbagy, Eric Van Ranst, Finke, Genuchten, Gharahi Ghehi, Givi, Guber, Gupta, Haghverdi, Hastie, Haykin, Hecht-Nielsen, Hodnett, Hopmans, IUSS Working Group WRB, Jagtap, Köhn, Lal, Loosvelt, Medina, Minasny, Moeys, Mualem, Mucherino, Nemes, Nemes, Nemes, Nemes, Nemes, Nemes, Noble, Ottoni, Pachepsky, Pachepsky, Parasuraman, Parasuraman, Patil, Paul Mafuka, Perkins, Pidgeon, Puckett, Rajkai, Rawls, Reichardt, Reichert, Schaap, Schaap, Schwartz, Sharma, Soil Survey Staff, Soil Survey Staff, Tempel, Tomasella, Tomasella, Tranter, Twarakavi, Van Ranst, Vapnik, Vapnik, Vereecken, Vereecken, Vereecken, Weynants, Williams, Wim M. Cornelis, Wösten, Yves-Dady Botula, Zacharias   +84 more
core   +1 more source

Powder Optimization Strategies for Binder Jetting Printing of BaTiO3 and Ba0,6Sr0,4TiO3 Ceramics

Advanced Engineering Materials, EarlyView.
Powder optimization is investigated to enable binder jetting of BaTiO3 and Ba0.6Sr0.4TiO3 ferroelectric ceramics. The antagonistic relationship between flowability and binder compatibility is addressed through binder impregnation of granulated powders and fumed silica addition to fine powders.
Fanny Pruvost, Lionel Presmanes, Soléna Colin, Marie Vidal, Sophie Guillemet‐Fritsch   +4 more
wiley   +1 more source

Effect of the Flow and Geometric Parameters of Submerged Spur Dike on Riprap Stability

علوم آب و خاک, 2017
Spur dikes are the most common hydraulic structures for river bank protection. Since the construction of this structure causes higher velocities around it, this structure is exposed to erosion.
E. Jasemi zargani, S. M. Kashefipour
doaj  

Improving Water Diversion Efficiency in Converging Side Weirs through Side Vane Installation: a numerical simulation [PDF]

علوم و مهندسی آبیاری
Side weirs are important components in irrigation and drainage systems, used for controlling and diverting flow. Given the advantages of side weirs in converging channels, improving the hydraulic performance of these structures is essential.
Kosar Neysi, Mehdi Daryaee, Seyed Mahmood Kashefipour, Amirreza Shahriari, Mohammadreza Zayeri   +4 more
doaj   +1 more source

Regularity of natural oscillations characteristics change of tall earth dams

Magazine of Civil Engineering, 2023
A preliminary assessment of the strength of earth dams under dynamic loads is one of the most important tasks associated with the design of such massive hydraulic structures.
Vartanyan Arevshad, Sarukhanyan Arestak, Veranyan Gevorg, Tokmajyan Hovhannes   +3 more
doaj   +1 more source

Parameter Variation in Planetary Ball Milling of Titanium Aluminide Powder in XHV‐Adequate Atmosphere

Advanced Engineering Materials, EarlyView.
This study investigates the effects of milling parameters, including rotational speed, milling duration, and ball‐to‐powder ratio, on TiAl particle size and morphology in an XHV‐equivalent atmosphere. The creation of oxide‐free surfaces enhances the mechanical properties of green bodies.
Jytte Möckelmann, Armin Piwek, Julius Peddinghaus, Kai Brunotte, Bernd-Arno Behrens   +4 more
wiley   +1 more source

Experimental research on the filtration properties of an untamped mixture with “PMM” polymer mineral material

Budownictwo o Zoptymalizowanym Potencjale Energetycznym, 2023
Polymermineral material "PMM" has multiple cycles of swelling and drying. It does not decompose under soil, biological and atmospheric influences and is environmentally safe.
Nver A. Mikayelyan, Vache H. Tokmajyan, Arevshad A. Vartanyan, Samvel H. Mkrtchyan, Armavir G. Galstyan   +4 more
doaj   +1 more source

Hydraulic motor with swinging planetary drive of bevel gears and its force & efficiency calculation [PDF]

, 2007
A new kind of hydraulic motor with offset swining planetary drive of bevel gears and the application in Capstan is presented; the researched of the calculation of the efficiency of the mechanism is made.
Huran, Liu, Liu, Quanhong, Song, Deyu, Wang, J, Zhao, Dongfu   +4 more
core  

Influence of Test Temperature and Test Frequency on Fatigue Life of Aluminum Alloy EN AW‐2618A

Advanced Engineering Materials, EarlyView.
The influence of test temperature and test frequency on the fatigue life of EN AW‐2618A is investigated. High‐cycle fatigue tests are performed at different test temperatures and frequencies on the 1000 h/230°C overaged state. Both test parameters reduce fatigue life due to time‐dependent damage mechanisms.
Ying Han, Julian M. Rosalie, Jan Radners, Mauro Madia, Philipp von Hartrott, Birgit Skrotzki   +5 more
wiley   +1 more source

Mechanical properties of rock under uniaxial compression tests of different control modes and loading rates

Scientific Reports
To study the influence of control mode and loading rate on mechanical property of rock, uniaxial compression tests of four types of rocks (gray sandstone, red sandstone, mudstone and granite) are carried out under axial strain control mode and lateral ...
Zhilei He, Guoli Wu, Jun Zhu
doaj   +1 more source