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What is RF tracking as compared to satellites?
I'm assuming you are talking about GPS when you say "satellite." RF tracking can be directional. It takes three RF receiver stations to triangulate the position of an RF transmitter and is usually less accurate than GPS. RF is also more limited by range, so the RF tracking stations are usually required to be mobile depending on the strength of the transmission signal.
Did rf harnett paint tigers?
yes
What does a rheumatoid factor of 189 mean?
A rheumatoid factor (RF) blood test measures the amount of the RF antibody present in the blood.The results of the rheumatoid factor (RF) test may be reported in titers or units:A titer is a measure of how much the blood sample can be diluted before RF can no longer be detected. A titer of 1 to 20 (1:20) means that RF can be detected when 1 part of the blood sample is diluted by up to 20 parts of a salt solution (saline). A larger second number means there is more RF in the blood. So a titer of 1 to 80 shows more RF in the blood than a titer of 1 to 20.Nephelometry units show how much light is blocked by the blood sample in the tube. A high level of RF causes the sample to be cloudy, so less light passes through the tube than when the RF level is low. So an RF level of 100 units is higher than one of 40 units.NormalThe normal values listed here-called a reference range-are just a guide. These ranges vary from lab to lab, and your lab may have a different range for what's normal. Your lab report should contain the range your lab uses. Also, your doctor will evaluate your results based on your health and other factors. This means that a value that falls outside the normal values listed here may still be normal for you or your lab.You can usually get the results within 24 hours.Rheumatoid factor (RF)TitersLess than 1:80UnitsLess than 60 units per milliliter (U/mL)Check with your doctor to see what the normal range is for the lab that tested your blood.High valuesHigh RF levels may be caused by:Rheumatoid arthritis. This is the most common reason for a positive rheumatoid factor (RF) level.Hepatitis C infection.Other autoimmune diseases, such as systemic lupus erythematosus (SLE), scleroderma, Sjögren's syndrome, and vasculitis.Infectious diseases, such as tuberculosis, mononucleosis, syphilis, and malaria.Liver diseases, such as cirrhosis and chronic active hepatitis.Infection of the heart (endocarditis).Leukemia.
What if you have a rheumatoid factor of 8?
Less than 40-60 u/mLLess than 1:80 (1 to 80) titerA low number (normal result) usually means you do not have rheumatoid arthritis or Sjogren syndrome. However, some people who do have these conditions still have a "normal" or low rheumatoid factor (RF).Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
What is a negative rheumatoid factor?
rheumatoid factor is a particular type of antibody that is found in about 80% of people have Rheumatoid arthritis as well as with other inflammatory illnesses. A negative RF simply means there is no RF in the blood.
What is the rf value of cocaine?
Rf is about .45
What is the Rf value of salicylamide?
It will depend on the solvent system you are using.
What is rf value and how is determine?
the mobility of any component in a particular solvent is referred to as its RF value. Mathematically, RF value = distance travelled by solute/ distance travelled by the solvent
What is an rf value used for?
The rf value is shorthand for the retention value of a substance. It is used in chromatography to determine the components of an unknown sample.
What is the maximum and RF value can be?
The maximum RF value that can be obtained is 1.0. This means that the substance travels the full distance of the chromatography medium being used. Any RF value greater than 1 is not physically possible.
How does saturation effect RF value?
In general, as saturation increases, the RF value decreases. This is because an increase in saturation tends to increase retention of the compound on the stationary phase, resulting in a lower RF value. Conversely, lower saturation levels may allow the compound to move more freely, leading to a higher RF value.
What is the RF value of benzoic acid in ethyl acetate?
The RF value of benzoic acid in ethyl acetate is 0.68.
What is the RF value for red ink blue ink and green ink?
the Rf value value is 8.44 as the particles are lighter than the solvent
What do the Rf values indicate about the relative solubility of the pigment in the the solvent?
The Rf values do not indicate the solubility of a substance. The Rf value or retardation factor is the ratio of the distance traveled by the center of a pot to the distance traveled by the solvent front in chromatography.
What is the relationship between chain length and Rf value?
As a general rule the longer the carbon chain the greater the Rf value.
What is the Rf value of phenacetin?
about 0.342
What is the minimum value of Rf?
Zero
