Results 11 to 20 of about 29,466 (163)

Flume Tank Evaluation on the Effect of Liners on the Physical Performance of the Antarctic Krill Trawl

open access: yesFrontiers in Marine Science, 2022
The Antarctic krill (Euphausia superba) is one of the most abundant resources in the ocean, which provides food for several important species in the Antarctic Ocean, and is targeted commercially by humans for many decades.
Hao Tang   +11 more
doaj   +1 more source

Milking Machine Settings and Liner Design Are Important to Improve Milking Efficiency and Lactating Animal Welfare—Technical Note

open access: yesAgriEngineering, 2023
The purpose of milking machines is to harvest milk at optimal quality and speed, while maintaining animal comfort and teat defense mechanisms against invading mastitis pathogens.
Shehadeh Kaskous, Michael W. Pfaffl
doaj   +1 more source

Acoustic Experimental Technology for Aircraft Nacelle Liner

open access: yesAerospace, 2023
An aircraft nacelle acoustic liner is a key mean of aircraft noise reduction. The success of its design depends strongly on the development of experimental technology, which is generally divided into two stages: impedance eduction and the modal ...
Qun Yan   +5 more
doaj   +1 more source

Evaluación de la corrosión en estructuras de contención nuclear mediante el uso de técnicas electroquímicas no destructivas

open access: yesInformes de la Construccion, 2012
Son muchos los planteamientos que se realizan en relación al estado de estas estructuras nucleares y a la posibilidad de prorrogar su vida útil, siendo la corrosión uno de los problemas que más preocupa en la actualidad. Por ello, la evaluación y control
I. Martínez, A. Castillo, C. Andrade
doaj   +1 more source

Croisière, environnement et pollutions

open access: yesÉtudes Caribéennes, 2020
The impressive and continuous growth of the maritime cruise is accompanied by the multiplication of giant liners, with disproportionate volumes and capacities, carrying tens of millions of tourists over all the seas of the globe. Too often we forget that
Jean-Marie Breton
doaj   +1 more source

Development of Type 73 GH Equal Hole Perforating Charge

open access: yesCejing jishu, 2023
In order to solve the problem of the perforation gun not being centered in the casing due to the gravity of the perforation gun during unconventional horizontal well perforation operations in oil and gas reservoirs, and the uneven perforation of the ...
SUN Chengliang   +5 more
doaj   +1 more source

Research on Plastic Flow Characteristic Parameter Distribution of Shaped-Charge Jet: Theory, Experiment, and Simulation

open access: yesApplied Sciences, 2023
To investigate the plastic deformation (PD) response of a liner material during the shaped-charge jet (SCJ) formation process, the state of motion of liner material and the pattern of change in its deformation environment under explosive loading were ...
Ping Song   +4 more
doaj   +1 more source

Effects of heat treatment on properties of multi-element low alloy wear-resistant steel [PDF]

open access: yesChina Foundry, 2007
The paper has studied the mechanical properties and heat treatment effects on multi-element low alloy wear-resistant steel (MLAWS) used as a material for the liner of rolling mill torii. The results show that when quenched at 900-920℃ and tempered at 350-
SONG Xu-ding, FU Han-guang
doaj  

Thermal Modeling of Thin Lubricant Film Within Piston Compression Ring and Rough Cyliner Liner Conjuction

open access: yesFrontiers in Mechanical Engineering, 2020
This work is devoted to develop a transient thermo elastohydrodynamic model for thermal analysis of micro scale oil film with in piston compression ring-liner conjunction.
Prakash Chandra Mishra
doaj   +1 more source

Fabrication of Rapidly Soluble Zn2+-Releasing Phosphate-Based Glass and Its Incorporation into Dental Resin

open access: yesMolecules
Phosphate-based glasses are known for their excellent biocompatibility and adjustable degradation rates. In this study, we fabricated a rapidly soluble zinc-ion-releasing phosphate-based glass (RG) specifically designed for use in dental cavity liners ...
Fan Deng   +10 more
doaj   +1 more source

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