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the nephelometer: an instrument for estimating the number of bacteria in suspensions used for calculating the opsonic index and for vaccines. joseph mcfarland, m.d. jama. 1907; xlix(14):1176-1178.
A nephelometer [1] or aerosol photometer [2] is an instrument for measuring the concentration of suspended particulates in a liquid or gas colloid. A nephelometer measures suspended particulates by employing a light beam (source beam) and a light detector set to one side (often 90°) of the source beam.
The Jiffy is the amount of time light takes to travel one femtometre (about the diameter of a nucleon). The Planck time is the time that light takes to travel one Planck length. The TU (for time unit) is a unit of time defined as 1024 μs for use in engineering. The svedberg is a time unit used for sedimentation rates (usually
Nephelometry is a technique used in immunology to determine the levels of several blood plasma proteins. For example, the total levels of antibodies isotypes or classes: Immunoglobulin M, Immunoglobulin G, and Immunoglobulin A. [1]
How is the time value of money calculated? You can calculate the time value of money using the following formula. Bankrate has an online calculator that’ll do the math for you. FV=PV(1+i/n) n*t ...
The fee your advisor charges is based on the services you’re receiving, the individual advisor’s fee structure and other factors, including the amount of money you have to invest. With $1.4 ...
In an increasing system, the time constant is the time for the system's step response to reach 1 − 1 / e ≈ 63.2% of its final (asymptotic) value (say from a step increase). In radioactive decay the time constant is related to the decay constant ( λ ), and it represents both the mean lifetime of a decaying system (such as an atom) before it ...
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