Dynamic behavior of molten pool flow field for active laser welded-thick stainless steel plates
Materials Research Express, 2021 By combining numerical simulation and experimental investigation, this paper intensively investigated the influence rules of adding three active agents (SiO _2 , TiO _2 and NaF) on the dynamic behaviors of flow field in the laser welding 304 stainless ...
L-F Mei +5 more
doaj +1 more source
Single-Layer Bandpass Active Frequency Selective Surface [PDF]
, 2008 A single-layer, bandpass, active FSS is presented. It shows good angle of incidence stability for TE incidence, at the operating frequency of 2.45 GHz. It is based on circular loop aperture with each unit cell having four PIN diodes.
Kenneth L. Ford +17 more
core +1 more source
Intensifying the cement grinding process [PDF]
E3S Web of Conferences, 2023 This article deals with the intensification of the grinding process in ball mills. Attention is drawn to the need to reduce the energy input for grinding.
Mukhamedbaeva Mas’uda +2 more
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PREPARATION OF SOME SURFACE ACTIVE AGENTS AND DETERMINATION OF ITS PHYSICO CHEMICAL PROPERTIES [PDF]
Journal of Plant Protection and Pathology, 2006 Two type of surface active agents anionic and nonionic were prepared from locally raw materials: Fatty acids (Iauric and palmitic) reacted with poly ethylene glycol (PEG) 400.
A. Khattab +3 more
doaj +1 more source
Surface profile prediction and analysis applied to turning process [PDF]
, 2008 An approach for the prediction of surface profile in turning process using Radial Basis Function (RBF) neural networks is presented. The input parameters of the RBF networks are cutting speed, depth of cut and feed rate.
LU, Chen, COSTES, Jean-Philippe
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Studying Transmembrane Pressure, pH and Anionic Surfactant (SDS) Concentration Effects on MEUF Process Performance in Dairy Waste Water Treatment Using Response Surface Methodology Design [PDF]
Pizhūhish va Nuāvarī dar ̒Ulūm va Sanāyi̒-i Ghaz̠āyī, 2019 Surfactants are widely used to improve membrane processes due to their ability to trap toxic, organic compounds and heavy metals in industrial wastewater treatment.
Ali Arasteh Nodeh +2 more
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An Active Annular Ring Frequency Selective Surface [PDF]
, 2011 Offering good performance in terms of all polarizations affected and good angular stability, the ring element is a popular choice in frequency selective surface (FSS) designs.
Paul S. Taylor +5 more
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Decomposition of anionic surface-active agents by soil bacteria
, 1959 RESP ...
Skinner, F. A.
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Synthesis and evaluation of some surface active agents from long chain fatty amine
Grasas y Aceites, 2007 This study continues our series of synthesis of surface active agents containing heterocyclic moiety. NHeptadecanoyl- 3-(4-oxo-4H-benzo[d][1,3]oxazin-2-yl)- acrylamide (4) was used as a new starting material to synthesize propenoxylated nonionic surface ...
A. M. F. Eissa
doaj +1 more source
Macromol, 2022 Active packaging has played a significant role in consumers’ health and green environment over the years. Synthetic polymers, such as poly(ethylene terephthalate) (PET), polyethylene (PE), polypropylene (PP), polystyrene, poly(vinyl chloride) (PVC ...
Johan Stanley +5 more
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