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New Formulas and Mechanism for the Spiral Arm Formation of Galaxies
by Hongjun Pan
International Journal of Physics. 2019, 7(3), 73-85. DOI: 10.12691/ijp-7-3-2
Pub. Date: October 23, 2019Views: 24364Downloads: 28022
spiral galaxies simulation evolution black holes hydrogen production matter conversion
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Spiral Galaxies Support Rotating Space as "Dark Matter" Mechanism
by Jay D. Rynbrandt
Frontiers of Astronomy, Astrophysics and Cosmology. 2017, 3(1), 1-3. DOI: 10.12691/faac-3-1-1
Pub. Date: January 17, 2017Views: 14435Downloads: 14397
dark matter space spiral galaxies spiral arms galactic bars and galaxy
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How Long Can the Spiral Arms of Disc Galaxies Be Optically Observed?
by Hongjun Pan
International Journal of Physics. 2024, 12(5), 212-224. DOI: 10.12691/ijp-12-5-4
Pub. Date: September 16, 2024Views: 5936Downloads: 11618
Spiral arms spiral pattern evolution rigid spiral arms soft spiral arms spiral galaxies
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Design and Development of E-Library System: COVID-19 Pandemic Challenges
by Thomas Mageto
Journal of Computer Sciences and Applications. 2021, 9(1), 1-15. DOI: 10.12691/jcsa-9-1-1
Pub. Date: January 15, 2021Views: 15109Downloads: 16657
design security spiral methodology COVID-19 pandemic electronic technology
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Spiral Arm Formation of Galaxies Through ROTASE Mechanism is Perfectly Demonstrated by Falling Rockets Venting Fuel
by Hongjun Pan
International Journal of Physics. 2023, 11(4), 166-173. DOI: 10.12691/ijp-11-4-1
Pub. Date: September 16, 2023Views: 7634Downloads: 8672
spiral arms spiral galaxies x-matter black holes galaxy evolution spirals by rockets
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Spirals and Rings in Barred Galaxies by the ROTASE Model
by Hongjun Pan
International Journal of Physics. 2021, 9(6), 286-307. DOI: 10.12691/ijp-9-6-5
Pub. Date: December 01, 2021Views: 14638Downloads: 15831
ROTASE model formation of spiral arms X-matter black hole chain-link ring crossing
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Pitch Angle Calculation of Spiral Galaxies Based on the ROTASE Model
by Hongjun Pan
International Journal of Physics. 2021, 9(2), 71-82. DOI: 10.12691/ijp-9-2-2
Pub. Date: January 27, 2021Views: 11108Downloads: 13799
X-matter ROTASE model spiral arms pitch angle spiral galaxies simulation
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Design of Superelevation of Highway Curves: An Overview and Distribution Methods
by Azad Abdulhafedh
Journal of City and Development. 2019, 1(1), 35-40. DOI: 10.12691/jcd-1-1-6
Pub. Date: September 19, 2019Views: 20323Downloads: 14083
superelevation banking of highway curves horizontal alignments circular curves spiral curves
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The Flat Rotation Curve of the Spiral Galaxies may be the Result of the Perfect Combination of the Fluid Mechanics and the Gravitational Mechanics
by Hongjun Pan
International Journal of Physics. 2019, 7(2), 44-49. DOI: 10.12691/ijp-7-2-2
Pub. Date: July 17, 2019Views: 19755Downloads: 19585
rotation curve spiral galaxies fluid mechanics gravitational mechanics
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Numerical Simulation of a Spiral Wall
by A. Z.DELLIL
American Journal of Industrial Engineering. 2013, 1(2), 5-11. DOI: 10.12691/ajie-1-2-1
Pub. Date: June 06, 2013Views: 40574Downloads: 36497
corrugated wall turbulence model SST model thermal transfer
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