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Готові списки джерел за темами / Sinking bubbles

Добірка наукової літератури з теми "Sinking bubbles"

Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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Статті в журналах з теми "Sinking bubbles"

1

Lee, W. T., S. Kaar, and S. B. G. O'Brien. "Sinking bubbles in stout beers." American Journal of Physics 86, no. 4 (April 2018): 250–56. http://dx.doi.org/10.1119/1.5021361.

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2

Li, Zhensheng, Yudian Zhou, and Liufang Xu. "Sinking bubbles in a fluid under vertical vibration." Physics of Fluids 33, no. 3 (March 2021): 037130. http://dx.doi.org/10.1063/5.0040493.

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3

Andriychuk, T. O., A. M. Skoreiko, O. M. Nemchenko, and A. T. Melnik. "Methods of inoculation of potato tubers when assessing resistance to Phoma exigua." Interdepartmental Thematic Scientific Collection of Plant Protection and Quarantine, no. 62 (September 3, 2016): 25–30. http://dx.doi.org/10.36495/1606-9773.2016.62.25-30.

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The results of studies on methods of inoculation of potato tubers when assessing resistance to Phoma exigua. For this is suitable both ways tuber infection, making inokulumu (agar blocks) in the hole and sinking bubbles in the suspension of mycelium fungus.

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4

Gualda, Guilherme A. R., David L. Cook, Rahul Chopra, Liping Qin, Alfred T. Anderson, and Mark Rivers. "Fragmentation, nucleation and migration of crystals and bubbles in the Bishop Tuff rhyolitic magma." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 95, no. 1-2 (March 2004): 375–90. http://dx.doi.org/10.1017/s0263593300001139.

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ABSTRACTThe Bishop Tuff (USA) is a large-volume, high-silica pyroclastic rhyolite. Five pumice clasts from three early stratigraphic units were studied. Size distributions were obtained using three approaches: (1) crushing, sieving and winnowing (reliable for crystals >100 μm); (2) microscopy of ∼1 mm3 fragments (preferable for crystals <100 μm); and (3) computerised X-ray microtomography of ∼1 cm3 pumice pieces.Phenocryst fragments coated with glass are common, and the size distributions for all crystals are concave-upward, indicating that crystal fragmentation is an important magmatic process.Three groups are recognised, characterised by: (1) high-density (0·759–0·902 g cm−3), high-crystal content (14·4–15·3 wt.%) and abundant large crystals (>800 μm); concave-downward size distributions for whole crystals indicate late-stage growth with limited nucleation, compatible with the slow cooling of a large, gas-saturated, stably stratified magma body; (2) low-density (0·499 g cm −3), low-crystal content (6·63 wt.%) and few large crystals; the approximately linear size distribution reveals that nucleation was locally important, perhaps close to the walls; and (3) intermediate characteristics in all respects.The volumetric fraction of bubbles inversely correlates with the number of large crystals. This is incompatible with isobaric closed-system crystallisation, but can be explained by sinking of large crystals and rise of bubbles in the magma

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5

Kim, Nayoung, and Hyungmin Park. "Water entry of rounded cylindrical bodies with different aspect ratios and surface conditions." Journal of Fluid Mechanics 863 (January 28, 2019): 757–88. http://dx.doi.org/10.1017/jfm.2018.1026.

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In the present study, we experimentally investigate water surface deformation due to the impact of rounded cylindrical projectiles with different aspect ratios (1.0–8.0). The subsequent jet and splash formation is closely related to the dynamics of an underwater cavity. To control the cavity formation, two kinds of surface conditions (smooth and rough) are applied to the front parts of the projectiles, and two impact speeds are considered. The Froude, Reynolds and Weber numbers are in the ranges of 32–90, $5\times 10^{4}{-}8.4\times 10^{4}$ and 1700–5000, respectively. When the front is smooth, the water film rises up along the body surface immediately after impact, and the temporal variation of its height is analytically estimated. The film converges at the rear pole to create an apex jet at lower aspect ratios and simply rises up and falls with the body at higher aspect ratios. The jets could be further distinguished as thin and thick jets, whose breakdown is found to be a function of the viscous force and surface tension, i.e. the Ohnesorge number. On the other hand, when the front is rough, the water film cannot rise up along the body surface, and instead early separation occurs to make the splash above a free surface. The splash size is quantified to assess the effects of the aspect ratio and impact speed. Upon splash formation, a cavity is created under the free surface, which emanates from the nose of the projectile. As the body sinks, the cavity pinch-off occurs due to the imbalance between the hydrostatic pressure and air pressure inside the cavity. At higher aspect ratios, cavity pinch-off occurs on the side wall of the projectile and leaves a portion of the cavity bubble on it. When the surface is smooth, no underwater cavity forms. Finally, we compare the hydrodynamic force acting on the sinking bodies with and without cavity formation, based on the underwater trajectory of each projectile. It is found that the underwater cavity reduces the drag force on the sinking body when it fully encapsulates the body; however, if the air bubbles are partially attached to the body after pinch-off, they tend to detach irregularly or impose additional drag on the body.

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6

Hasanah, Nor Izzatil. "PENGENALAN SAINS PADA ANAK USIA DINI DI PAUD TERPADU SHABWA AMANAH LANDASAN ULIN UTARA KEC. LIANG ANGGANG KOTA BANJARBARU." Jurnal Warna : Pendidikan dan Pembelajaran Anak Usia Dini 5, no. 1 (March 31, 2020): 12–22. http://dx.doi.org/10.24903/jw.v5i1.421.

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This study aims to determine the Introduction to Science in Early Childhood in Early Childhood Education Shabwa Amanah kindergarten of Ulin, Liang Anggang, Banjarbaru. The subjects in this study were 1 science introduction teacher and A group children consist 12 children. The data analysis in this research used Milles and Huberman which was conducted interactively using data consisting of reductions, presenting data, and conclusion (coding).Based on the results of this study indicate that the introduction of science in early childhood in Shabwa Amanah kindergarten of Ulin, Liang Anggang, Banjarbaru with introduces the concept of science in the form of mixing water with soap into small bubbles, sinking and floating, color changes and water absorption using 1) Demonstration method, the experimental method, the conversation method (question and answer), the assignment method, the play method, and the singing method. 2.) the media used are visual media in the form of realia media and audio-visual media using laptops and speakers 3.) The assessment given is in the form of assigning games to children, observing assessments, evaluating through conversation, as well as the children products .

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7

Zhao, Xiao-Gang, Hao-Ran Yang, Qi Zhang, Lin Cheng, Xiang-Yu Zhang, Feng-Long Wang, Cheng-Bo Duan, Wei Zhuo, Chun-Long Xu, and Zhao-Yang Hou. "Mechanism of bubble sinking in vertically vibrating water." Acta Physica Sinica 69, no. 24 (2020): 244602. http://dx.doi.org/10.7498/aps.69.20200571.

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8

Wu, Meisheng, Yuki Koizumi, Hiroki Nishiyama, Ikuyoshi Tomita, and Shinsuke Inagi. "Buoyant force-induced continuous floating and sinking of Janus micromotors." RSC Advances 8, no. 58 (2018): 33331–37. http://dx.doi.org/10.1039/c8ra05844j.

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9

Zhang, Yanzhen, Yonghong Liu, Renjie Ji, Cao Zheng, Yang Shen, and Xiaolong Wang. "Transient dynamics simulation of the electrical discharge-generated bubble in sinking EDM." International Journal of Advanced Manufacturing Technology 68, no. 5-8 (May 22, 2013): 1707–15. http://dx.doi.org/10.1007/s00170-013-4969-y.

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10

Onstad, Skip, and Thomas McCloskey. "CLEAN SEAS' RESPONSE TO THE SINKING OF THE PAC BARONESS." International Oil Spill Conference Proceedings 1989, no. 1 (February 1, 1989): 91–93. http://dx.doi.org/10.7901/2169-3358-1989-1-91.

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ABSTRACT At 5:30 a.m. on September 21, 1987, the dry bulk carrier Pac Baroness collided with the freighter Atlantic Wing approximately 14 miles west of Point Conception. The Pac Baroness foundered throughout the day and was under tow, out to sea, when it sank at 4:18 p.m. At 5 p.m., a large discharge of oil began rising to the surface from the sunken vessel, and by 6 p.m. a slick had formed in the vicinity of the wreck site that was 1.5 miles long and 0.5 miles wide. A large quantity of oil continued to bubble to the surface from the sunken ship for several days. The incident occurred in the Clean Seas’ area of responsibility. Although the incident involved a nonmember company, Clean Seas was activated minutes after the collision. All three of Clean Seas’ oil spill response vessels were on-scene from Tuesday, September 22, to Friday, September 25, when the U.S. Coast Guard (USCG) released Mr. Clean and Mr. Clean II from service. Mr. Clean III remained on-scene until September 29.

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Більше джерел

Дисертації з теми "Sinking bubbles"

1

DeGrace, Carl W. "Sinking a body with bubbles in closed and open environments." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2000. http://handle.dtic.mil/100.2/ADA386031.

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2

Pringle, Leonard B. "Experimental investigation of sinking a buoyant body in water with bubbles." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2000. http://handle.dtic.mil/100.2/ADA381875.

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Анотація:

Thesis (M.S. in Applied Physics) Naval Postgraduate School, June 2000.
Thesis advisor(s): Denardo, B.C.; Gopinath, Ashok. "June 2000." Includes bibliographical references (p. 45). Also available online.

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Частини книг з теми "Sinking bubbles"

1

Cummins, Cathal P., Eugene S. Benilov, and William T. Lee. "Sinking Bubbles in Stout Beers." In Mathematics in Industry, 173–76. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05365-3_23.

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2

Wohl, Ellen. "March: Water Superheroes." In Saving the Dammed. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190943523.003.0006.

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By mid-March, daytime temperatures above freezing have left muddy puddles all over the unpaved road that runs above and beside the beaver meadow. This road extends to the national park trailhead farther upstream but is now closed for winter. I enter the beaver meadow on a lightly overcast day that is windy, as I expect March to be. Lack of recent snowfall and warm temperatures have caused the snowpack to shrink down, and I no longer break through into hidden pockets of air around the base of the bushy willows. I do break through the ice on my snowshoes, sinking in a slow motion that allows me to scramble and keep my feet dry . . . mostly. I sink in above the ankle at one point and the resulting icy ache makes me appreciate the ability of beavers to stay warm. The snow covering the higher peaks and the adjacent lateral moraines appears about the same, but numerous spots of bare ground have appeared along the creek banks. The remaining snow resembles a blanket draped over the undulating, grassy ground rather than an integral part of the landscape. I stand on the snowbank at the downstream end of one of the larger beaver ponds. The dam merges into a vegetated berm and appears to be intact, but I can hear water flowing swiftly somewhere beneath the snow. Most puzzling is that I can’t see where the water is going: the nearest downstream standing water has no apparent inflow or current. Mysterious, intricate plumbing surrounds me. The beaver meadow is on the move, flowing and changing, preparing for the season of birth and growth. Standing water is noticeably more abundant than a month ago. Interspersed among the ice and snow are big puddles and little ponds, some connected and draining, others isolated and still. The still pond waters have a shallow covering of meltwater underlain by ice with large, irregularly shaped air pockets trapped in the upper layer. These I can easily break with the tip of my ski pole. Thousands of tiny bubbles deeper in the ice look milky.

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3

"‘Sinking the Pail into the Self-Conscious,’ Bubble Gum Ballads and Other Conversational Circles: Patrick McCabe, London 2015." In Patrick McCabe’s Ireland, 164–80. Brill | Rodopi, 2018. http://dx.doi.org/10.1163/9789004389007_011.

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