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Wednesday, July 22, 2020 | History

2 edition of The mosaic structure of plasma bulk flows in the Earth"s magnetotail found in the catalog.

The mosaic structure of plasma bulk flows in the Earth"s magnetotail

The mosaic structure of plasma bulk flows in the Earth"s magnetotail

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  • 29 Currently reading

Published by The Aerospace Corporation, Engineering and Technology Group, National Aeronautics and Space Administration, National Technical Information Service, distributor in El Segundo, Calif, [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Geomagnetic tail.,
  • Ion beams.,
  • Ion density (Concentration),
  • Magnetohydrodynamic flow.,
  • Plasma interactions.,
  • Plasma layers.,
  • Thermal energy.

  • Edition Notes

    Statementprepared by M. Ashour-Abdalla ... [et al.].
    SeriesNASA contractor report -- NASA CR-199697.
    ContributionsAshour-Abdalla, Maha., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15419068M

    Three distinct M FR-like structures (E, F and G) occurred in magnetotail with tailward plasma-ion flows at ~30 (E and F) a nd ~70 R E (G event) far from the Earth. What is meant by the "fluid-mosaic" model of cell membrane structure? The cell membrane consists of a double layer of phospholipids, with proteins floating in it. Phospholipids are a type of molecule with a phosphate head, and fatty tails, which form a double layer around the cell.

    Study 30 Chapter 7 Mastering Biology Module flashcards from Jennifer P. on StudyBlue. How does the "fluid mosaic model" describe the structure of the plasma membrane? Proteins in the membrane contribute to the mosaic quality of the membrane while the lateral and rotational movements of phospholipids contribute to its fluidity. The fluid mosaic model was first proposed by S.J. Singer and Garth L. Nicolson in to explain the structure of the plasma membrane. The model has evolved somewhat over time, but it still best accounts for the structure and functions of the plasma membrane as we now understand them/5(27).

    •Describe how the “fluid mosaic model” fits what is known about the plasma membrane with respect to membrane structure/characteristics. o We have proved that membranes are fluid with David Fry and Michael A Edidin’s human and mouse cell experiment. o We have proved membrane asymmetry with the freeze-fracture technique – a block of cells is.   A. the membrane is composed predominantly. of a single layer of phospholipids, with lumps of proteins B. phopholipids are mainly hydrophilic in nature. C. the specialized functions and selective transport properties of the membrane are due to the lipids part of phospholipids. D. the membrane is a rigid structure E. proteins and phospholipids form a regular repeating structure.


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The mosaic structure of plasma bulk flows in the Earth"s magnetotail Download PDF EPUB FB2

Get this from a library. The mosaic structure of plasma bulk flows in the Earth's magnetotail. [Maha Ashour-Abdalla; United States.

National Aeronautics and Space Administration.;]. In this book, the author presents a series of new observations from recent lunar missions (i.e., Kaguya, ARTEMIS, and Chandrayaan-1), demonstrating the importance of the electron gyro-scale dynamics, plasma of lunar origin, and hot plasma interactions with lunar magnetic : Yuki Harada.

• Introduction on bursty bulk flows (BBFs) Bursty Flows and non-linear plasma structures in Earth’s magnetotail as revealed from THEMIS. Sani 2 J Baumjohann et al., – Retain their structure/coherence as they travel through stationary plasma.

Sani J The Moon encounters a wide range of plasma regime from the relatively dense, cold, supersonic solar-wind plasma to the low-density, hot, subsonic plasma in the geomagnetic tail.

In this book, the author presents a series of new observations from recent lunar missions (i.e., Kaguya, ARTEMIS, and Chandrayaan-1), demonstrating the importance of. Using Time History of Events and Macroscale Interactions during Substorms (THEMIS) observations from to tail seasons, we study the plasma properties of high speed flows (HSFs) and background plasma sheet events (BPSs) in Earth’s magnetotail (|Y GSM|<13RE, |ZGSM|<5RE,–30RE<–6RE), and their correlations with solar wind parameters.

Statistical results Cited by: 1. Tailward flow in the near-Earth plasma sheet associated with a rebound of the earthward bursty bulk flow (BBF) is investigated using three-dimensional magnetohydrodynamics simulations of magnetic reconnection in the magnetotail on the basis of the spontaneous fast reconnection model.

In order to investigate the properties of this tailward flow, virtual satellites are located at different Cited by: 1.

the Bursty Bulk Flow (BBF), but the fast plasma flows with much shorter duration (less than 5 minutes) were also observed. This transient fast plasma flows are called Plasma Flow Burst (PFB).

For example, the tailward flows can vary from 8 minutes in near magnetotail to almost. This would create a steady circulation of plasma in the magnetosphere and would also bring fresh ions and electrons into the plasma sheet, from the vicinity of "6". The process is often named "convection", a name used for circulating flows produced by heat, for instance the flow of water in a heated pot (drawing).

The plasma membrane is referred to as a "fluid mosaic" structure. Which of the following statements about that model is true.

in the interior of the membrane. Which of the following functions of membrane proteins is important in tissue formation during embryonic development in animals. fluid mosaic model (bilayer) lipids molecules with proteins imbedded.

most lipids are phospholipids. charged polar "head" -hydrophilic (attracted to water). uncharged "tail" hydrophobic (avoids water) lie tail to tail making up a bilayer structure. cholesterol found imbedded between lipids making the membrane more rigid increasing its permeability.

Jupiter's magnetotail is the largest cohesive structure in the solar system and marks the loss of vast numbers of heavy ions from the Jupiter system. The New Horizons spacecraft traversed the magnetotail to distances exceeding jovian radii (R J) and revealed a remarkable diversity of plasma populations and structures throughout its by: Asymmetric thin current sheets in the Earth’s magnetotail.

H.V. Malova, L.M. Zelenyi, Popov, D. Delcourt, A.A. Petrukovich, A. Runov the influence of the asymmetry of plasma sources on the structure and spatial localization of the equilibrium solution.

The New Horizons spacecraft traversed the magnetotail to distances exceeding jovian radii (R(J)) and revealed a remarkable diversity of plasma populations and structures throughout its length.

Fluid Mosaic Model: It was proposed by Singer and Nicolson. Bio membrane is viscous fluid, consists of phospholipids and proteins. Phospholipids and protein molecules are not arranged uniformly but as a mosaic.

Phospholipids are arranged in a bila. Methodology. In our previous studies we estimated the bulk properties of the ions in the deep jovian magnetosheath (Nicolaou et al., ) and magnetospheric boundary layer (Nicolaou et al., ).The plasma flux in those regions is high (a few thousand counts per second for the magnetosheath and a few hundred in the boundary layer) and is often relatively stable over periods of a few by: The fluid mosaic model describes the structure of the plasma membrane.

Embedded within the plasma membrane are proteins and carbohydrates that contribute to the term mosaic. Glycolipids and glycoproteins are examples of carbohydrates from on the surface of. To characterize the features of the magnetic field fluctuations, δB x and δB y, we have evaluated the probability density functions (PDF) of the magnetic field fluctuations δ B i = B i (r + Δ)−B i (r) (with i = x, y and r = x 2 + y 2) at different spatial scales Δ in the range Δ = 1– Fig.

4 shows the behavior the PDFs at different scales. PDFs look non-Gaussian at the smaller Cited by: 2. Jupiter's magnetotail is the largest cohesive structure in the solar system and marks the loss of vast numbers of heavy ions from the Jupiter system.

The New Horizons spacecraft traversed the magnetotail to distances exceeding jovian radii (R(J)) and revealed a remarkable diversity of plasma populations and structures throughout its length Cited by: On the formation of tilted flux ropes in the Earth’s magnetotail observed with ARTEMIS observations are characterized bythe absence of plasma bulk flow and typical bipolar disturbances in B z, accompanied by an enhancement in B The ion velocity showed tailward flows between to km/s, accompanied by signatures in vCited by: The fluid mosaic model of membrane structure is a cell membrane that behaves like a two- dimensional liquid of mixed composition.

The cell membrane is described to be fluid because of its hydrophobic components that are integrated into the membrane structure such as lipids and membrane proteins that move sideways throughout the membrane. When current flows, the gas in the cell ionises to a plasma state, and as a result of this, UV light is emitted.

The phosphor coating the walls of the cell absorbs this UV light and is stimulated to emit visible light, either red, green or blue. How many pixels a plasma display has depends on the resolution of .Io / ˈ aɪ. oʊ /, or Jupiter I, is the innermost and third-largest of the four Galilean moons of the planet is the fourth-largest moon in the solar system, has the highest density of all of them, and has the lowest amount of water (by atomic ratio) of any known astronomical object in the Solar was discovered in by Galileo Galilei and was named after the mythological Discovered by: Galileo Galilei.

A flow streamline passing in the large plasma flow region, and used in section 4, is shown with a black dashed line. The solar wind flows from the Sun (right side) and the bow shock and magnetopause are illustrated.

(b) Y‐Z plane 2D cut of the plasma speed for the same run at a downtail distance X = −5 R E. Cluster 1 location (projection Cited by: