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The sievert (Sv) and rem (Roentgen equivalent man) are both units used to measure the equivalent dose of ionizing radiation, taking into account the biological effects on human tissue. One sievert is equal to 100 rem, with both units serving as a way to quantify the radiation dose and its potential impact on health.
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What are the units of radiation doses?
Sieverts and milliSieverts are used now. They replaced the old rem and millirem. There is a factor 100 difference, so 1 Sievert = 100 Rem. The current limit for nuclear industry employees is 20 milliSv/year, though the actual average level in the US is about 2.4 milliSv.
What are rems?
The Rem used to be used in Health Physics to measure radiation dose, it is an acronym for Rontgen Equivalent Man.(The methodology allows for the different effects of different types of radiation). The unit now used is the Sievert (Sv), 1 Sievert = 100 Rem. This is a large unit, so millisieverts are used for practical personnel radiation measures, so 1 millisievert = 100 millirem. Recommended radiation levels for nuclear workers are set by the ICRP (International Committee for Radiation Protection). These used to be set at 5 Rem/year (50 milliSv) but now the level is 20 milliSv/year ie 2 Rem/year. The use of Rem and millirem has been discontinued in the nuclear industry in favour of Sieverts and millisieverts. However as someone with nuclear experience going back to 1958 I find it difficult to think in Sieverts. For example I know that 500 Rem will kill roughly 1/2 the people exposed to it within a month, now I have to change that to 5 Sieverts. Fortunately that level of exposure has only happened once (at Chernobyl).
What is the relation between creme brulee and quantum physics?
Nothing. Quantum physics does not apply to physical things.
What is the relation between amplitude and period?
There is no direct relation between amplitude and period. The amplitude of a wave refers to the maximum displacement from equilibrium, while the period of a wave is the time it takes for one complete cycle to occur. They are independent properties of a wave.
What Relation between decible and neper?
Both decibels (dB) and nepers (Np) are units for expressing the ratio between two quantities, such as power or intensity. The relation between them is that 1 neper is equal to approximately 8.6859 decibels. Decibels are more commonly used in practice due to their familiarity and convenience.
How many sievert equals Roentgen equivalent man?
One sievert is equivalent to 100 rem (Roentgen equivalent man).
The standard unit of radiation related to biologic hazard is known as the?
The standard unit of radiation related to biological hazard is known as sievert denoted by Sv. The smaller unit for the same is called rem (100 rem is 1 Sv). The difference between the unit of absorbed dose(Gray / rad) and Sv is that sievert also takes into account the biological effectiveness of the different types of radiation
What are the units of radiation doses?
Sieverts and milliSieverts are used now. They replaced the old rem and millirem. There is a factor 100 difference, so 1 Sievert = 100 Rem. The current limit for nuclear industry employees is 20 milliSv/year, though the actual average level in the US is about 2.4 milliSv.
What is the difference between wssm and rem in ammo?
rem=remington
When was Hans-Heinrich Sievert born?
Hans-Heinrich Sievert was born in 1909.
When did Hans-Heinrich Sievert die?
Hans-Heinrich Sievert died in 1963.
When did Rolf Maximilian Sievert die?
Rolf Maximilian Sievert died in 1966.
When was Rolf Maximilian Sievert born?
Rolf Maximilian Sievert was born in 1896.
When was Sievert Allen Rohwer born?
Sievert Allen Rohwer was born in 1887.
When did Sievert Allen Rohwer die?
Sievert Allen Rohwer died in 1951.
What is seivert?
A Sievert (check your spelling) is the SI unit of dose equivalent (the biological effect of ionizing radiation), equal to an effective dose of a joule of energy per kilogram of recipient mass. 1 Sievert is equal to about 100 Rem. If that did not mean anything to you, it is a measure of nuclear radiation.
How many millisievert equal 1 sievert?
1 sievert is equal to 1000 millisieverts.
