Results 321 to 330 of about 947,884 (380)

Unraveling the Print-Structure-Property Relationships in the FFF of PEEK: A Critical Assessment of Print Parameters. [PDF]

Polymers (Basel)
Doyle L, García-Molleja J, Fernández-Blázquez JP, González C.   +3 more
europepmc   +1 more source

Biomimetic trilayered silk-based electrospun scaffolds for regeneration of dura mater. [PDF]

RSC Adv
Shafiq M, Habib S, Akhtar H, Naz S, Öteyaka MÖ, Shah AT, Alhamoudi FH, Chaudhry AA, Khalid H, Khan AF.   +9 more
europepmc   +1 more source

Effect of Laser Surface Texturing and Fabrication Methods on Tribological Properties of Ti6Al4V/HAp Biocomposites. [PDF]

Materials (Basel)
Sadlik J, Kosińska E, Tomala A, Bańkosz M, Polajnar M, Kumar R, Kalin M, Kravanja G, Hribar L, Hussainova I, Nykiel M, Sobczak-Kupiec A, Jampilek J.   +12 more
europepmc   +1 more source

XGBoost algorithm optimized by simulated annealing genetic algrithm for permeability prediction modeling of carbonate reservoirs. [PDF]

Sci Rep
Huang C, Zhu X, Lu M, Zhang Y, Yang S.
europepmc   +1 more source

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Critical instability at moving keyhole tip generates porosity in laser melting

Science, 2020
Driving the pores away The formation of “keyholes” (vapor-filled depressions) during additive manufacturing leads to porosity, which degrades alloy performance, especially fracture properties, and remains a big challenge for the 3D printing of metals ...
Cang Zhao, N. Parab, Xuxiao Li, K. Fezzaa, W. Tan, A. Rollett, T. Sun   +6 more
semanticscholar   +1 more source

Pervious concrete: effects of porosity on permeability and strength

Magazine of Concrete Research, 2021
Pervious concrete needs to have many pores to achieve high water permeability, but excessive porosity may cause a serious reduction in strength.
L. Li, Jia-Jian Feng, Jiang Zhu, S. Chu, A. Kwan   +4 more
semanticscholar   +1 more source

Multiple-porosity Variable Critical Porosity Model [PDF]

Proceedings, 2015
Compared with conventional reservoirs, complex reservoirs often have more variety of pore types and more complex pore shape. For example, carbonate rocks can have a variety of pore types, such as moldic, vuggy, interparticle, intraparticle and crack.
J.J. Zhang, G.Z. Zhang, F. He
openaire   +1 more source

Contrasting Symmetric Porosity and Porosity

Journal of Applied Analysis, 1998
It is known that the following two fundamental properties of porosity fail for symmetric porosity: 1) Every nowhere dense set A contains a residual subset of points x at which A has porosity 1. 2) If A is a porous set and 0 < p < 1, then A can be written as a countable union of sets, each of which has porosity at least p at each of its points.
Michael J. Evans, Paul D. Humke
openaire   +2 more sources

Porosity in composite resins

Biomaterials, 1995
Porosity in the pastes of composite resins before and after polymerization has been measured. The influence of the diameter of the extrusion orifices and the spatulation of the chemically-activated pastes has been evaluated. Considering that thin layers of these materials are transparent, the investigation has been carried out mainly by analysis of ...
V. FANO, K. POZELA, ORTALLI, Ida
openaire   +2 more sources