Relevant bibliographies by topics / Medium gravity

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Medium gravity'

Author: Grafiati
Published: 9 March 2023
Last updated: 10 March 2023

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Journal articles on the topic "Medium gravity"

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Cembranos, José A. R., Mario Coma Díaz, and Prado Martín-Moruno. "Modified gravity as a diagravitational medium." Physics Letters B 788 (January 2019): 336–40. http://dx.doi.org/10.1016/j.physletb.2018.10.068.

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LYLE, SARAH, HERBERT E. HUPPERT, MARK HALLWORTH, MIKE BICKLE, and ANDY CHADWICK. "Axisymmetric gravity currents in a porous medium." Journal of Fluid Mechanics 543, no. -1 (November 7, 2005): 293. http://dx.doi.org/10.1017/s0022112005006713.

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Dolgunin, V. N., V. Ya Borshchev, and P. A. Ivanov. "Rapid Gravity Flow of a Granular Medium." Theoretical Foundations of Chemical Engineering 39, no. 5 (September 2005): 548–54. http://dx.doi.org/10.1007/s11236-005-0115-3.

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Fakir, Redouane. "The Interstellar Medium as a Gravity Wave Detector." International Journal of Modern Physics D 06, no. 01 (February 1997): 49–56. http://dx.doi.org/10.1142/s0218271897000042.

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An observer, situated several thousand light-years away from a radio pulsar, finds himself embedded in the diffraction pattern resulting from the propagation of the radio waves through the irregular interstellar medium. The gravity waves produced by an intervening binary star cause the diffraction pattern to be displaced laterally in a manner familiar from refractive interstellar scintillation, except that this gravity wave effect is not dispersive. This periodic displacement can reach a few hundred kilometers. Thus, there seems to be a possibility that the exceedingly faint gravity waves can manifest themselves macroscopically.
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WOODS, ANDREW W. "Vaporizing gravity currents in a superheated porous medium." Journal of Fluid Mechanics 377 (December 25, 1998): 151–68. http://dx.doi.org/10.1017/s0022112098003012.

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We analyse the motion of a current of water migrating under gravity into a hot vapour-saturated porous rock accounting for the vaporization which occurs as the water invades the hot rock. We present a series of similarity solutions to describe the rate of advance of both planar and axisymmetric currents when the total mass of water injected after time t is proportional to tγ. Three distinct cases arise. When γ>1/2 (planar) or γ>1 (axisymmetric), the depth of the current increases at all points from the source, and therefore vaporization occurs at all points on its surface. This case is described by a simple extension of the well-known similarity solutions for non-vaporizing currents. When 0<γ<1/2 (planar) or 0<γ<1 (axisymmetric), there is a region near the source where the depth of the current decreases. The depth only increases at the more distant points. Vaporization therefore only occurs in the leading part of the current where it is advancing into the superheated rock. In this case, we develop modified similarity solutions which account for the vaporization in the distal part of the current. The third case involves the finite release of fluid. Owing to the vaporization, the mass of the current decreases with time. Since there is no injection, the rate of advance of the current can no longer be found by comparing the exponents of time in the local and global equations for mass conservation. Instead, the motion is described by a class of similarity solutions of the second kind, analogous to those described by Barenblatt (1997), in which the total mass of the current is proportional tγ, where γ is a function of the mass fraction which vaporizes, [Fscr ], such that γ→0 as [Fscr ]→0 and γ→−1 as [Fscr ]→1. The model is extended to include the effects of capillary retention of fluid in the pore spaces and we discuss the relevance of our results to the process of liquid reinjection in the geothermal power industry.
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Ryazhskikh, V. I., and Yu V. Chernukhin. "Steady-state gravity flow of a granular medium." Theoretical Foundations of Chemical Engineering 34, no. 5 (September 2000): 500–501. http://dx.doi.org/10.1007/bf02827396.

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Kuipers, M., and A. A. F. van de Ven. "Rayleight-gravity waves in a heavy elastic medium." Acta Mechanica 81, no. 3-4 (September 1990): 181–90. http://dx.doi.org/10.1007/bf01176985.

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Sennerby-Forsse, Lisbeth. "Clonal variation of wood specific gravity, moisture content, and stem bark percentage in 1-year-old shoots of 20 fast-growing Salix clones." Canadian Journal of Forest Research 15, no. 3 (June 1, 1985): 531–34. http://dx.doi.org/10.1139/x85-087.

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Specific gravity, moisture content of the wood, and stem bark percentages in 1-year-old shoots of 20 Salix (L.) clones originating from natural and artificial stands in Sweden were measured for 3 years. Clones were classified into three groups with high, medium, and low specific gravity. Ranking stability for specific gravity was high. Moisture content and bark percentage fluctuated considerably from one year to another but showed a slight increase from the high to the medium and low specific gravity groups.
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Zhu, Yiqing, and F. Benjamin Zhan. "Medium-Term Earthquake Forecast Using Gravity Monitoring Data: Evidence from the Yutian and Wenchuan Earthquakes in China." International Journal of Geophysics 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/307517.

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Gravity changes derived from regional gravity monitoring data in China from 1998 to 2005 exhibited noticeable variations before the occurrence of two large earthquakes in 2008 in China—the 2008 Yutian (Xinjiang)Ms=7.3earthquake and the 2008 Wenchuan (Sichuan)Ms=8.0earthquake. Based on these gravity variations, a group of researchers at the Second Crust Monitoring and Application Center of China Earthquake Administration made a suggestion in December of 2006 that the possibility for the Yutian (Xinjiang) and Wenchuan (Sichuan) areas to experience a large earthquake in either 2007 or 2008 was high. We review the gravity monitoring data and methods upon which the researchers reached these medium-term earthquake forecasts. Experience related to the medium-term forecasts of the Yutian and Wenchuan earthquakes suggests that gravity changes derived from regional gravity monitoring data could potentially be a useful medium-term precursor of large earthquakes, but significant additional research is needed to validate and evaluate this hypothesis.
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Bhadauria, Beer S., Atul K. Srivastava, Nirmal C. Sacheti, and Pallath Chandran. "Gravity Modulation of Thermal Instability in a Viscoelastic Fluid Saturated Anisotropic Porous Medium." Zeitschrift für Naturforschung A 67, no. 1-2 (February 1, 2012): 1–9. http://dx.doi.org/10.5560/zna.2011-0045.

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The present paper deals with a thermal instability problem in a viscoelastic fluid saturating an anisotropic porous medium under gravity modulation. To find the gravity modulation effect, the gravity field is considered in two parts: a constant part and an externally imposed time-dependent periodic part. The time-dependent part of the gravity field, which can be realized by shaking the fluid, has been represented by a sinusoidal function. Using Hill’s equation and the Floquet theory, the convective threshold has been obtained. It is found that gravity modulation can significantly affect the stability limits of the system. Further, we find that there is a competition between the synchronous and subharmonic modes of convection at the onset of instability. Effects of various parameters on the onset of instability have also been discussed.
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Dissertations / Theses on the topic "Medium gravity"

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Simonte, Marco. "Exploring the relation between turbulence, gas fluctuations and gravity in the simulated intracluster medium." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/22215/.

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In questa tesi, abbiamo studiato la turbolenza prodotta durante il processo di accrescimento che le strutture cosmiche sperimentano durante la loro evoluzione, analizzando un campione di ammassi di galassie simulati con il codice ENZO. Poichè un possibile approccio allo studio della turbolenza in ammassi di galassie è dato dall'osservazione delle fluttuazioni di brillanza superficiale, abbiamo deciso di approfondire la relazione tra fluttuazioni di velocità e densità generate dalla turbolenza. Per studiare la turbolenza è necessario separare i moti laminari da quelli turbolenti. Per fare ciò, abbiamo utilizzato un metodo di filtraggio con scala di filtraggio fissa pari a 300 kpc. Abbiamo osservato una relazione, statisticamente significativa, tra le fluttuazioni di densità e velocità, nonostante il coefficiente angolare sia diverso rispetto ad altri precedenti lavori presenti in letteratura. In particolare, abbiamo ottenuto un coefficiente angolare minore di 1 e il quale mostra una dipendenza in funzione dello stato dinamico dell'ammasso. Inoltre, abbiamo analizzato il profilo radiale delle proprietà della turbolenza, ottenendo lo spettro di potenza sia della velocità, sia della densità a diversi raggi, per la prima volta in letteratura. La pendenza degli spettri della velocità mostra un andamento costante con il raggio ed è in accordo con la teoria di Kolmogorov ad ogni raggio. Un ulteriore fenomeno che può modificare le fluttuazioni di densità è il buoyancy. Il numero di Richardson è un parametro che tiene in considerazione il rapporto tra turbolenza e buoyancy, e abbiamo osservato che esso dipende dalla scala di filtraggio ipotizzata. Considerando ciò, abbiamo studiato la relazione tra numero di Richardson e fluttuazioni di densità logaritmiche. Nella nostra analisi di un sistema comunque complesso come l'ICM, non abbiamo ottenuto alcuna relazione significativa tra le due variabili.
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Frissell, Nathaniel A. "Ionospheric Disturbances: Midlatitude Pi2 Magnetospheric ULF Pulsations and Medium Scale Traveling Ionospheric Disturbances." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/74976.

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The ionosphere is an electrically charged atmospheric region which is coupled to the sun, the magnetosphere, and the neutral atmosphere. The ionospheric state can significantly impact technological systems, especially those which utilize radio frequency energy. By studying ionospheric disturbances, it is possible to gain a deeper understanding of not only the ionosphere itself, but also the natural and technological systems it is coupled to. This dissertation research utilizes high frequency (HF) radio remote sensing techniques to study three distinct types of ionospheric disturbances. First, ground magnetometers and a new mid latitude SuperDARN HF radar at Blackstone, Virginia are used to observe magnetospheric Pi2 ultra low frequency (ULF) pulsations in the vicinity of the plasmapause. Prior to these pulsations, two Earthward moving fast plasma flows were detected by spacecraft in the magnetotail. Signatures of inner magnetospheric compression observed by the Blackstone radar provide conclusive evidence that the plasma flow bursts directly generated the ground Pi2 signature via a compressional wave. This mechanism had previously been hypothesized, but never confirmed. Next, ten SuperDARN radars in the North American Sector are used to investigate the sources and characteristics of atmospheric gravity waves (AGW) associated medium scale traveling ionospheric disturbances (MSTIDs) at both midlatitudes and high latitudes. Consistent with prior studies, the climatological MSTID population in both latitudinal regions was found to peak in the fall and winter and have a dominant equatorward propagation direction. Prior studies suggested these MSTIDs were caused by mechanisms associated with auroral and space weather activity; however, it is shown here that the AE and Sym-H indices are poorly correlated with MSTID observations. A new, multi-week timescale of MSTID activity is reported. This leads to the finding that MSTID occurrence is highly correlated with an index representative of polar vortex activity, possibly controlled by a filtering mechanism that is a function of stratospheric neutral wind direction. Finally, a case study of a radio blackout of transionospheric HF communications caused by an X2.9 class solar flare is presented. This study demonstrates the potential of a novel technique employing signals of opportunity and automated receiving networks voluntarily created by an international community of amateur radio operators.
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Dicleli, Murat. "Effects of extreme gravity and seismic loads on short to medium span slab-on-girder steel highway bridges." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6730.

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This study addresses two separate but related problems. They are detrimental effects of extreme gravity and seismic loadings, which were not considered in the original design, on slab-on-girder steel bridges. In the first part of this thesis the effect of extreme gravity loads on slab-on-girder steel bridges is studied. Currently, in many jurisdictions of North America, special permits are issued to extra-heavy vehicles considering only the ultimate capacity of the bridges. Based on this, a large number of special permits have been issued to extra-heavy vehicles, and therefore concerns have been raised since the cumulative effect of such overloads have never been assessed. In this perspective, the ultimate and cumulative effect of such overloads on bridge components is studied. Typical heavy permit-truck configurations are selected to investigate their effect on steel bridges. As a first step, influence line analyses are conducted to find the ranges of spans of simply supported and continuous bridges for which heavy permit-trucks have the most detrimental effects. In the light of these observations, a number of actual bridges within the estimated span length limits are analyzed to find the bridge members largely affected by such overloads. Next, a literature review is conducted to appraise the state-of-knowledge on the impact of infrequent stress-range excursions produced by heavy loads on fatigue life of bridge members. The effect of variable amplitude loading due to both Ontario truck traffic and heavy permit trucks on fatigue life of bridge members is investigated. Analytical expressions to calculate the fatigue life and the reduction in fatigue life of bridges due to heavy permit-trucks, without the need for a detailed analysis of each bridge, are derived and presented, along with a fatigue-based methodology to assess the reduction in service life of bridges attributable to heavy-permit trucks. Finally, using the derived equations, a sample permit-policy is presented assuming that a two percent reduction in fatigue life due to heavy permit-trucks is acceptable. In the second part, the response of bridge superstructure components to seismic excitations is investigated. Single span simply supported, continuous and multi-span simply supported bridges are studied by varying their geometric and structural properties. Linear and nonlinear dynamic analyses of these bridges are conducted for earthquakes of different characteristic and intensity considering only the superstructure. The forces and displacements of superstructure components which significantly affect the response, are determined as a function of the selected properties and earthquake types. Then, using these results, a methodology is developed for ranking and rapid seismic evaluation of existing steel bridges. Bearing forces due to seismic excitation in both transverse and longitudinal direction are found to be proportional to the mass of the bridge, span length, and bearings' stiffness. The effect of span length, number of spans, column size and steel strength on the seismic response of continuous and multi-span simply supported bridges are studied. Next, sliding of bridges after the bearings are severed is investigated. High intensity earthquakes are required to slide multi-span simply supported bridges when the bearings at the abutments are severed but single span simply supported and continuous bridges may have considerable sliding displacements depending on the $A\sb{p}/V\sb{p}$ ratio of earthquakes. The effect of cross-bracing as a retrofitting element for continuous and multi-span simply supported bridges is investigated. (Abstract shortened by UMI.)
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Zhang, Yumo. "PILOT SCALE DEMONSTRATION AND EVALUATION OF INNOVATIVE NON-DESLIMED NON-CLASSIFIED GRAVITY-FED HM CYCLONE." UKnowledge, 2015. http://uknowledge.uky.edu/mng_etds/19.

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Coal preparation plants are required in some cases to produce a high-grade product using a low specific gravity cut-point. For these situations, a second higher gravity separation would be desirable to generate a mid-grade product that can be utilized for electricity generation thereby maximizing coal recovery. A study was conducted to evaluate the potential of achieving efficient separations at two different density cut-points in a single stage using a three-product dense medium cyclone. Variations in density cut-point and process efficiency values were quantified as a function of the feed medium density, feed medium-to-coal ratio, and feed pressure using a three-level experimental design program. Results indicate the ability to effectively treat coal over a particle size range from 6mm to 0.15mm while achieving both low- and high-density cut-points up to 1.95 relative density. Ash content decreased from 27.98% in the feed to an average of 7.77% in the clean coal product and 25.76% in the middlings product while sulfur content was reduced from 3.87 to 2.83% in the clean coal product. The overall combustible recovery was maintained above 90% while producing clean coal products with ash and total sulfur content as low as 5.85 and 2.68%, respectively. Organic efficiency values were consistently about 95% and probable error values were in the range of 0.03 to 0.05, which indicates the ability to provide a separation performance equivalent to or better than traditional coal cleaning technologies.
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Krupp, Armin Ulrich. "Mathematical modelling of membrane filtration." Thesis, University of Oxford, 2017. http://ora.ox.ac.uk/objects/uuid:ae6dd9e4-a862-4476-a8d9-35156848297f.

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In this thesis, we consider four different problems in membrane filtration, using a different mathematical approach in each instance. We account for the fluid-driven deformation of a filtercake using nonlinear poroelasticity in Chapter 2. By considering feeds with very high and very low particle concentrations, we introduce a quasi-static caking model that provides a suitable approximation to the full model for the physically realistic concentration regimes. We illustrate the agreements and differences between our model and the existing conventional cake-filtration law. In Chapter 3, we introduce a stochastic model for membrane filtration based on the quantised nature of the particles and show how it can be applied for feeds with different particle types and membranes with an interconnected pore structure. This allows us to understand the relation between the effects of clogging on the level of an individual pore and on the macroscopic level of the entire membrane. We conclude by explaining the transition between the discrete and continuous model based on the Fokker--Planck equation. In Chapter 4, we consider the inverse problem of determining the underlying filtration law from the spreading speed of a particle-laden gravity current. We first couple the theory of gravity currents with the stochastic model developed in Chapter~3 to determine a filtration law from a given set of experiments. We then generalise this idea for the porous medium equation, where we show that the position of the front follows a power law for the conventional filtration laws, which allows us to infer the clogging law in certain instances. We conclude the thesis by showing in Chapter 5 how we can combine experimental measurements for the clogging of a depth filter and simple fluid dynamics to accurately predict the pressure distribution in a multi-capsule depth filter during a filtration run.
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GERMANO, RICCARDO. "La responsabilità per omesso impedimento dell'evento reato." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/314887.

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La trattazione ha ad oggetto la responsabilità penale per omesso impedimento del reato e per omesso impedimento dell’evento concausato dall’azione criminosa di un terzo, nella giurisprudenza e nella dottrina italiana. Dopo un approfondimento sul controverso concetto di omissione nel diritto penale, il lavoro affronta gli orientamenti di giurisprudenza e di dottrina sull’omesso impedimento dell’evento-reato, ricostruito a partire dagli istituti della commissione mediante omissione e del concorso di persone nel reato. Il tema viene, infine, analizzato dalla prospettiva dell’omissione propria, proponendo un inquadramento del fenomeno all’interno delle “omissioni intermedie”.
The thesis deals with the criminal liability for failure to prevent crimes and failure to prevent events caused by criminal actions, in the Italian case law and literature. After a study on the controversial concept of “omission” in criminal law, the thesis addresses the judgements and the scholarship based on the commission by omission and on the criminal complicity. Eventually, the topic is addressed from the perspective of the “offences of failing to act”, suggesting the framework of the “omission of medium gravity” for the failure to prevent crimes.
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Удеогу, Анжел Нене. "Аванпроєкт середньомагістрального літака пасажиромісткістю до 273 осіб." Thesis, Національний авіаційний університет, 2020. http://er.nau.edu.ua/handle/NAU/43919.

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Робота публікується згідно наказу ректора від 21.01.2020 р. №008/од "Про перевірку кваліфікаційних робіт на академічний плагіат 2019-2020р.р. навчальному році" . Керівник проекту: доцент, к.т.н. Закієв Вадим Ісламович
Object of the design is development of medium range aircraft with capacity of up to 273 passengers. Aim of the diploma work is the development of the aircraft preliminary design and characteristics estimation. The method of the design is analysis of the prototypes and selections of the most advanced technical decisions and analysis of center of gravity. The diploma work contains drawings of design of the medium range aircraft, passenger capacity up to 160 people, calculations and drawings of two categories of the aircrafts layouts and the ULD accomodated inside the cargo airplane. The results of the diploma work can be implemented to the academic education and also it can be used for the design bureaus.
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Lenssen, Nathan. "Fundamental Limits of Detection in the Near and Mid Infrared." Scholarship @ Claremont, 2013. http://scholarship.claremont.edu/cmc_theses/800.

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The construction of the James Webb Space Telescope has brought attention to infrared astronomy and cosmology. The potential information about our universe to be gained by this mission and future infrared telescopes is staggering, but infrared observation faces many obstacles. These telescopes face large amounts of noise by many phenomena, from emission off of the mirrors to the cosmic infrared background. Infrared telescopes need to be designed in such a way that noise is minimized to achieve sufficient signal to noise ratio on high redshift objects. We will investigate current and planned space and ground based telescopes, model the noise they encounter, and discover their limitations. The ultimate goal of our investigation is to compare the sensitivity of these missions in the near and mid IR and to propose new missions. Our investigation is broken down into four major sections: current missions, noise, signal, and proposed missions. In the proposed missions section we investigate historical and current infrared telescopes with attention given to their location and properties. The noise section discusses the noise that an infrared telescope will encounter and set the background limit. The signal section will look at the spectral energy distributions (SED) of a few significant objects in our universe. We will calculate the intensity of the objects at various points on Earth and in orbit. In the final section we use our findings in the signal and noise sections to model integration times (observation time) for a variety of missions to achieve a given signal to noise ratio (SNR).
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Davis, Gabriel. "Distant Stars Become Future Homes: The Close Relationship of Interstellar Between Hard Science-Fiction and Spectacle." Digital Commons @ East Tennessee State University, 2021. https://dc.etsu.edu/honors/618.

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Hard Science-fiction shares a close relationship with the element of spectacle. This is especially apparent in Christopher Nolan’s Interstellar (2014), a film based in realistic science and emotional appeal. Nolan makes use of creating a team comprised of creative minds with different backgrounds. This includes theoretical physicist Kip Thorne, co-writer Jonathan Nolan, and composer Hans Zimmer. Together, the four develop a film that focuses on three main facets of science: time dilation, black holes, and dimensions. Incorporating these elements based in the historical world gives Interstellar its classification as hard science-fiction, a genre based more solidly in realistic science than classical science-fiction. Thorne serves as an executive producer and advisor to all matters scientific, Zimmer composes the score to accompany and intensify the moments of spectacle, and the Nolan brothers serve to create the plot behind Interstellar. The film’s spectacle can be seen throughout, notably in the “Miller’s Planet” and “Gargantua” scenes. Nolan also incorporates Welsh Poet Dylan Thomas’s “Do not go gentle into that good night” to exemplify the film’s theme of perseverance against increasing odds. It is through these elements that Interstellar serves itself as an exemplary film for showcasing the relationship between the nature of hard science-fiction and spectacle.
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Aachib, Mostafa. "Deplacement isotherme de deux fluides miscibles dans un milieu poreux sature : effets de densite et de viscosite, critere de stabilite." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13096.

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Etude de l'influence des contrastes de densite et de viscosite sur le deplacement miscible lors d'un passage du regime stable au regime instable. On propose un modele empirique pour un deplacement miscible eau douce-solution de chlorure de calcium: etude experimentale par mesure des conductivites electriques. Mise en evidence d'un critere de stabilite
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Books on the topic "Medium gravity"

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P, Schwarz Ray, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Analysis of gravity-induced particle motion and fluid perfusion flow in the NASA-designed rotating zero-head-space tissue culture vessel. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

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P, Schwarz Ray, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Analysis of gravity-induced particle motion and fluid perfusion flow in the NASA-designed rotating zero-head-space tissue culture vessel. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1991.

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Wolf, David A. Analysis of gravity-induced particle motion and fluid perfusion flow in the NASA-designed rotating zero-head-space tissue culture vessel. Houston, Tex: Lyndon B. Johnson Space Center, 1991.

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Vlastarēs, Giannēs. Lexiko chōris gravata. Athēna: Ekdoseis Harmos, 2017.

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Matters of gravity: Special effects and supermen in the 20th century. Durham, N.C: Duke University Press, 2003.

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Dennett, Preston E. Supernatural California: A Golden State guide to UFOs, extraterrestrials, ghosts, hauntings, cryptozoological creatures, psychics, mediums, miracles, mystical spots, buried treasures, gravity hills, local legends, ancient civilizations, and other strange mysteries. Atglen, PA: Schiffer Pub., 2006.

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Mashhoon, Bahram. Toward Nonlocal Gravitation. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198803805.003.0004.

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Is gravity nonlocal? Einstein interpreted the principle of equivalence of inertial and gravitational masses to mean that there exists a profound relationship between inertia and gravitation. Based on Einstein’s fundamental insight, it would seem natural to extend history dependence to the gravitational domain. However, it is not clear how to develop a nonlocal extension of Einstein’s local principle of equivalence. To go forward, we therefore choose an indirect approach based on a certain analogy with electromagnetism. In a material medium, the electromagnetic constitutive relations are nonlocal and this fact leads to the nonlocal electrodynamics of media. It turns out that general relativity can be formulated in a form that resembles the electrodynamics of media. Making the corresponding gravitational constitutive relations nonlocal would then lead to nonlocal GR. This indirect approach is adopted in the rest of this book.
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Smeenk, Chris, and Eric Schliesser. Newton’s Principia. Edited by Jed Z. Buchwald and Robert Fox. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199696253.013.6.

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This article examines the historical context of Isaac Newton’s Mathematical Principles of Natural Philosophy (Principia) and how it reoriented natural philosophy for generations. It first considers how the Principia extends and refines the ideas of De Motu, taking into account the three Laws of Motion, the force responsible for the planetary trajectories, the motion of projectiles in a resisting medium, and the law of universal gravitation. It then discusses three changes that influenced fundamentally the content and reception of the Principia: the relabelling and rewording of nine ‘hypotheses’ (into ‘phenomena’ and ‘rules of reasoning’) at the start of Book 3; the addition of the General Scholium; and changes that minimized explicit commitments to atomism. It also assesses the impact of the Principia on the development of physics and concludes with an overview of Newton’s theory about the cause of gravity
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Kissam, Benjamin. Dissertatio medica inauguralis, amplectens quædam de utero gravido. Quam, ... pro gradu doctoratus, ... eruditorum examini subjicit Benjaminus Kissam, ... Gale ECCO, Print Editions, 2018.

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Sydnor, Synthia. On the Nature of Sport. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252038938.003.0010.

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This chapter argues that digital culture is a recent addition to myriad forms of expression and expressiveness that have occurred since time immemorial. Digital media then, “are tools that enable humans to continue doing what has always been at the core of the human condition: living in community, communicating, consuming, gathering, playing.” The chapter also develops a treatise on the nature of sport that takes into account both the digital era and theories of play, ritual, and culture. Cyber activities around sport, including “fantasy league play; social and individual memories of sports performance; video/computer games; the seemingly infinite growth of sport performances/stunts showcased on YouTube, tweets, and the colossal transglobal economy associated with sport,” replicate the “fun, thrills, danger, gravity play” and other affective sensations surrounding participation in sport itself. Ultimately, the digital revolution confirms the formal, symbolic ritualistic nature of sport more than it transforms.
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Book chapters on the topic "Medium gravity"

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Kistovich, Anatoly, Konstantin Pokazeev, and Tatiana Chaplina. "Internal Gravity Waves in a Stratified Medium." In Advanced Studies in Ocean Physics, 145–67. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72269-2_5.

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Bulatov, V. V., and Yu V. Vladimirov. "Internal Gravity Waves Fields Dynamics in Vertically Stratified Horizontally Inhomogeneous Medium." In Springer Geology, 71–76. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76328-2_8.

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Bulatov, V. V., and Yu V. Vladimirov. "Internal Gravity Waves Fields Dynamics in Vertically Stratified Horizontally Inhomogeneous Medium." In Processes in GeoMedia—Volume V, 11–16. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85851-3_2.

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Parthasarathy, Harish. "Quantum Filtering in Robotics, Information, Feynman Path Integrals, Levy Noise, Haar Measure on Groups, Gravity and Robots, Canonical Quantum Gravity, Langevin Equation, Antenna Current in a Field Dependent Medium." In Electromagnetics, Control and Robotics, 367–427. London: CRC Press, 2022. http://dx.doi.org/10.1201/9781003345046-9.

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Dev, Hari, and S. L. Gupta. "Stress-Deformation Behaviour of Feldspathic Gneisses as Foundation Medium for a 278 m High-Concrete Gravity Dam in Eastern Himalayas." In Lecture Notes in Civil Engineering, 241–52. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3383-6_22.

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Verruijt, Arnold. "Gravity Foundations." In Theory and Applications of Transport in Porous Media, 194–203. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-017-1112-8_11.

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Garrett, Steven L. "Nonlinear Acoustics." In Understanding Acoustics, 701–53. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44787-8_15.

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Abstract A fundamental assumption of linear acoustics is that the presence of a wave does not have an influence on the properties of the medium through which it propagates. By extension, the assumption of linearity also means that a waveform is stable since any individual wave does not interact with itself. Small modifications in the sound speed due to wave-induced fluid convection (particle velocity) and to the wave’s effect on sound speed through the equation of state can lead to effects that could not be predicted within the limitations imposed by the assumption of linearity. Although a wave’s influence on the propagation speed may be small, those effects are cumulative and create distortion that can produce shocks. These are nonlinear effects because the magnitude of the nonlinearity’s influence is related to the square of an individual wave’s amplitude (self-interaction) or the product of the amplitudes of two interacting waves (intermodulation distortion). In addition, the time-average of an acoustically induced disturbance may not be zero. Sound waves can exert forces that are sufficient to levitate solid objects against gravity. The stability of such levitation forces will also be examined along with their relation to resonance frequency shifts created by the position of the levitated object.
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Blunt, Martin, Dengen Zhou, and Darryl Fenwick. "Three-Phase Flow and Gravity Drainage in Porous Media." In Multiphase Flow in Porous Media, 77–103. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-017-2372-5_4.

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Abend, Pablo. "Blue Marble Re-Revisited. Vom Bild ins interface." In Space Agency - Medien und Poetiken des Weltraums, 139–58. Bielefeld, Germany: transcript Verlag, 2021. http://dx.doi.org/10.14361/9783839439968-008.

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Der Beitrag fokussiert den Blick zurück auf den Blauen Paneten als »Urszene« des planetarischen Bewusstseins, wie er sich in Alfonso Cuaróns GRAVITY (USA/UK 2013) reinszeniert findet. In einer Verschränkung von visueller Geschichte und Mediengeschichte wird gezeigt, wie das Bild der Erde in immer neue Sinn- und Handlungshorizonte gesetzt wurde. Während das berühmte Foto der Blue Marble (Apollo 17) etwa zur Ikone einer systemischen Globalität in der Ökologiebewegung avancierte, steht Buckminster Fullers Geoscope von 1963 paradigmatisch für den Übergang zu einem »globalen Interface«. Die sphärische Visualisierung globaler Ströme präfiguriert, was ein halbes Jahrhundert später mit Softwareanwendungen wie Google Earth zum neuen medialen Habitat der Blue Marble wird. Deutlich tritt hier die visuelle Repräsentation der Erde hinter einer »Oligoptik« zurück, in der sich Bedeutungen, Handlungspotenziale und Machthierarchien situiert herausbilden.
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Gabriel, Gilbert, and David Sonnenschein. "Inner and Outer Worlds in the Film Gravity: A Multidisciplinary Approach." In The Palgrave Handbook of Sound Design and Music in Screen Media, 113–21. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/978-1-137-51680-0_8.

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Conference papers on the topic "Medium gravity"

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Yalovenko, S. N. "GRAVITY AND DENSITY OF THE MEDIUM." In X International Conference ”Science and Society - Methods and Problems of Practical Application". Prague: Premier Publishing s.r.o., 2020. http://dx.doi.org/10.29013/x-conf-canada-10-49-60.

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Honaker, R., N. Singh, and D. Patil. "Enhanced gravity beneficiation using a dense-medium for fine particle gravity separations." In The 8th International Mineral Processing Symposium. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2017. http://dx.doi.org/10.4324/9780203747117-72.

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Z. Sydykov, K., A. V. Matusevich, and S. Z. Daukeyev. "Geological medium 3D modelling using gravity and seismic data." In 54th EAEG Meeting. European Association of Geoscientists & Engineers, 1992. http://dx.doi.org/10.3997/2214-4609.201410532.

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Kaladze, T. D., L. V. Tsamalashvili, and D. T. Kaladze. "Electromagnetic Internal Gravity Waves in an Ideally Conducting Medium." In 2018 XXIIIrd International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory (DIPED). IEEE, 2018. http://dx.doi.org/10.1109/diped.2018.8543288.

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Chandulal, A., and K. Somaiah. "Rayleigh waves in an incompressible non–local elastic medium under gravity effect." In INTERNATIONAL CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS (ICMSA-2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0014555.

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Bakeev, R. A., and Yu P. Stefanov. "Calculation of gravity stress in the medium on retention of the set geometry." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5131891.

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Elysseieva, I. S. "Tandem of Two Techniques of Gravity Data Interpretation for Complex Medium with Density Inverse." In 66th EAGE Conference & Exhibition. European Association of Geoscientists & Engineers, 2004. http://dx.doi.org/10.3997/2214-4609-pdb.3.p033.

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Zhou*, Yan, Lutz Gross, and Qi Shao. "Magnetotelluric Forward Modelling in General Anisotropic Medium using Esys-Escript." In GEM 2019 Xi'an: International Workshop and Gravity, Electrical & Magnetic Methods and their Applications, Chenghu, China, 19-22 April 2015. Society of Exploration Geophysicists and Chinese Geophysical Society, 2019. http://dx.doi.org/10.1190/gem2019-041.1.

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Yang, Miaoxin, Handong Tan, Xiaohong Meng, and Changhong Lin. "The forward computation and inversion of magnetotelluric fields in two-dimensional nonisotropic medium." In International Workshop and Gravity, Electrical & Magnetic Methods and their Applications, Chenghu, China, 19-22 April 2015. Society of Exploration Geophysicists and and Chinese Geophysical Society, 2015. http://dx.doi.org/10.1190/gem2015-119.

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Seyfi Noferest, Behnaz, Anand P. Santhanam, and Olusegun J. Ilegbusi. "Effect of Gravity on Human Lung Deformation." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52123.

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The effect of gravity is considered on biomechanical modeling of human lung deformation for radiotherapy application. The lung is assumed to behave as a poro-elastic medium with spatially dependent property. Finite element simulation is performed on a three-dimensional (3D) lung geometry reconstructed from four-dimensional computed tomography (4DCT) scan dataset of real human patient. The spatially-dependent Young’s modulus (YM) values are estimated using inverse analysis from a linear elastic deformation model. First, the gravity-generated deformation in the lung is calculated. Next, inlet pressure loading is applied at the hilium from an initial stress-free resting volume. Then, the lung model is preloaded by its weight, followed by prescription of the inlet pressure. In each case the maximum and minimum deformation of selected landmarks are monitored with and without gravity. The results show that gravity indeed significantly affects the magnitude and distribution of lung deformation. The maximum displacement increases by 54% in the direction of gravity when it is considered in the model.
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Reports on the topic "Medium gravity"

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Land Conflicts in India: An Interim Analysis. Rights and Resources Initiative, November 2016. http://dx.doi.org/10.53892/dogb3075.

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Land and resource conflicts in India have deep implications for the well-being of the country’s people, institutions, investments, and long-term development. These conflicts reveal deep structural flaws in the country’s social, agrarian, and institutional structures, including ambiguities in property rights regimes and institutions. In 2014, a study focusing primarily on reports in the national media reflected the gravity of these conflicts. There was great interest in this narrow exercise, which prompted a more rigorous and detailed data collection on conflicts and creation of an interactive web portal on land and resource conflicts in India. While the exercise is ongoing, this brief provides an interim analysis of approximately 289 conflicts for which data was collected thus far, covering the period between January-September, 2016. This analysis provides a powerful instrument to understand land resource conflicts in India. The emerging patterns from the analysis of the 289 conflicts provide inferences about sectoral and spatial distribution of conflicts. Based on these patterns, our assessment is that this brief has captured roughly 25- 40 percent of active and substantive land conflicts in the country.
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