Results 11 to 20 of about 8,827 (260)

Achieving the most appropriate scientific standards for using compact spinning technique And its effect on the properties of the yarns produce

open access: yesJournal of Architecture, Art & Humanistic Science, 2020
The compact spinning system emerged as a new and innovative generation of ring spinning from here came the idea of research, where three types of Egyptian cotton were selected, Giza 70 super long- Giza 86 long staple and Giza 80 medium length, which are ...
Ayman Ibrahim
doaj   +1 more source

Preparation and properties of PAN nanofiber membrane based on spiral spinning technology

open access: yesJournal of Engineered Fibers and Fabrics, 2023
The PAN spinning solution was chosen as the spiral spinning research object. Laminar flow theory was used to straighten and align macromolecules, and spiral spinning needles were used to control the spiral twisting of straightened PAN macromolecules. The
Lei Zhao   +5 more
doaj   +1 more source

Quadratic-in-spin interactions at fifth post-Newtonian order probe new physics

open access: yesPhysics Letters B, 2022
We obtain for the first time all quadratic-in-spin interactions in spinning binaries at the third subleading order in post-Newtonian (PN) gravity, and provide their observable binding energies and their gauge-invariant relations to the angular momentum ...
Jung-Wook Kim, Michèle Levi, Zhewei Yin
doaj   +1 more source

Optimization of the combing noil percentage for quality single and ply compact spun yarn

open access: yesAlexandria Engineering Journal, 2013
No doubt that ring spinning will continue to remain the important yarn manufacturing system for the short staple spinning. Innovation has occurred through the introduction of compact spinning, which offers superior quality and better fiber utilization ...
Magdi El Messiry   +2 more
doaj   +1 more source

Onset of superradiant instabilities in rotating spacetimes of exotic compact objects

open access: yesJournal of High Energy Physics, 2017
Exotic compact objects, horizonless spacetimes with reflective properties, have intriguingly been suggested by some quantum-gravity models as alternatives to classical black-hole spacetimes.
Shahar Hod
doaj   +1 more source

Ultra-spinning exotic compact objects supporting static massless scalar field configurations

open access: yesPhysics Letters B, 2017
Horizonless spacetimes describing highly compact exotic objects with reflecting (instead of absorbing) surfaces have recently attracted much attention from physicists and mathematicians as possible quantum-gravity alternatives to canonical classical ...
Shahar Hod
doaj   +1 more source

Numerical Simulation of the Condensing Effect of Different Suction Slots on Fiber Strands in a Compact Siro Spinning Machine with Lattice Apron

open access: yesAUTEX Research Journal, 2020
Compact-siro spun with lattice apron combines compact spinning and siro spinning, and is widely put into practice. In this paper, compact-siro spun models with the parallel shaped slots, oblique parallel shaped slots and V-shaped slots were simulated ...
Han Chenchen, Gao Weidong, Chen Lifen
doaj   +1 more source

N3LO gravitational quadratic-in-spin interactions at G 4

open access: yesJournal of High Energy Physics, 2021
We compute the N3LO gravitational quadratic-in-spin interactions at G 4 in the post-Newtonian (PN) expansion via the effective field theory (EFT) of gravitating spinning objects for the first time.
Michèle Levi   +2 more
doaj   +1 more source

Prediction of Cotton Yarn’s Characteristics by Image Processing and ANN

open access: yesAlexandria Engineering Journal, 2022
Machine learning and computer vision were employed in quality assessment in the textile field for more objectivity and less expense. The estimation of yarn various parameters is of great importance for the producers and customers in order to achieve ...
Manal R. Abd-Elhamied   +4 more
doaj   +1 more source

Spin-up and spin-down of an accreting compact object [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1987
Calculs hydrodynamiques a deux dimensions d'un ecoulement par accretion sur un objet compact induit par un vent stellaire dans un systeme binaire serre avec un rapport de masse de l'ordre de l ...
T. Matsuda, M. Inoue, K. Sawada
openaire   +1 more source

Home - About - Disclaimer - Privacy