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Considering a polar molecule in a plasma medium, the electron-molecule dipole potential is modified to incorporate the screening effect of the plasma, which is characterised by the inverse Debye-shielding-length ina -1 0. Born differential cross-sections (DCS) for the rotational excitations of target molecules like HCl, H2O and HCN are calculated for various low incident electron energies as well as for various values of . The effect of plasma screening is not only to reduce the DCS but also to alter the angular distribution. In general the DCS near the forward direction are considerably reduced. The present Born results are not expected to be reliable for strongly screening plasmas.
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∙ 13y ago
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∙ 16y agoPlasma is the state of matter that exists at high temperaturs, it consists of electrically charged particles. Example: The sun.
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∙ 12y agoPlasma, water, cells (white and red) and platlets (contain fibronogen and hemoglobin to help stop clots)
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∙ 11y agothey are spaced out
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What does the marker molecules on red blood cells determine a persons?
Blood type
What kind of molecules cannot pass into your blood?
Large Food Molecules in The Small Intestine!
What Substance enables your blood cells to carry oxygen?
The protein contained within blood cells that allows them to carry oxygen is called Haemoglobin. The haemoglobin molecule can carry up to four oxygen molecules which are exchanged for carbon dioxide molecules released as a waste product from cell metabolism.
In which form is oxygen transported in the blood to the tissues?
Molecules of O2 bind to haemoglobin (Hg) in red blood cells- each Hg can carry four O2 molecules, and each red blood cell contains a lot of Hg.
How do cells get the proteins they need from foods?
enzymes breaks down food proteins into smaller molecules that can be carried by blood
How do the molecules get into the blood vessels?
The small, soluble molecules get through the wall of the small intestine and into the blood
What food molecules go into the blood?
The small molecules such as digested fat, carbohydrates and proteins.
What molecules function as carrier in human blood circulation system?
Hemoglobin molecules function as the carrier in the human blood circulation system.
Where do food molecules enter the blood?
in digastion
Can you see a molecules of blood?
not without a microscope.
What does the marker molecules on red blood cells determine a persons?
Blood type
Mature red blood cells in the circulating blood are filled with what?
Hemoglobin Molecules
How do absorbed molecules travel to the rest of the body?
From digestion to inter-cellular space through to blood vessels, in which the blood then brings the molecules to rest of the body
What kind of molecules cannot pass into your blood?
Large Food Molecules in The Small Intestine!
What would happen to human blood if put in salt water?
If human blood is put in salt water, the water molecules in the human blood will lead to the lower concentration of water molecules. This process is called diffusion- water molecules going from high concentration to low concentration.
What does the body cells and blood plasma exchange?
molecules
Define tubular secretion?
Process whereby selected molecules are actively transported from the blood into the filtrate Process whereby selected molecules are actively transported from the blood into the filtrate
