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SCALE: A Comprehensive
Modelling and Simulation Suite for Nuclear Safety Analysis and Design. Available from Radiation Safety Information Computational Center at Oak Ridge National Laboratory as CCC-785. Oak Ridge, TN: Oak Ridge National Laboratory, June, 2001. Version 6.1.
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sites because reactivity values tend to be small, so measuring in pcm allows reactivity to be expressed using whole numbers.
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is one one-thousandth of a percent. It can be thought of as a "milli-percent". It is commonly used in
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In nuclear reactor engineering, a per cent mille is equal to one-thousandth of a percent of the
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Visualisation of 1%, 1β°, 1β±, 1 pcm and 1 ppm as fractions of the large block
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92:. Reactivity is a dimensionless unit representing a departure from
345:"GHO | by category | Homicide - Estimates by country"
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152:{\displaystyle \rho =(k_{\text{eff}}-1)/k_{\text{eff}}}
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269:including parts-per million, parts-per billion etc
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170:for the reaction. Therefore, one pcm is equal to:
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213:{\displaystyle 1~{\text{pcm}}=\rho \cdot 10^{5}}
223:This unit is commonly used in the operation of
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411:"percent mille β pcm β unit of reactivity"
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569:This engineering-related article is a
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257:(bp) difference of 1 part in 10,000
73:in a population are often given in
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459:. You can help Knowledge (XXG) by
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630:Nuclear and atomic physics stubs
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168:effective multiplication factor
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239:difference of 1 part in 100
16:One-thousandth of a percent
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360:"Reactivity measurements"
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365:. University of Ljublj
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620:Units of measurement
333:. 28 September 2018.
263:(β±) 1 part in 10,000
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75:"per 100 000".
286:Dollar (reactivity)
251:(β°) 1 part in 1,000
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418:. Retrieved
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386:"Reactivity"
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367:. Retrieved
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166:denotes the
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54:Epidemiology
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255:Basis point
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63:crime rates
614:Categories
243:Percentage
86:reactivity
59:Statistics
449:standards
261:Permyriad
249:Per mille
198:⋅
195:ρ
126:−
107:ρ
67:mortality
46:, and in
274:See also
162:where k
280:InHour
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508:This
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363:(PDF)
307:Notes
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518:stub
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422:2017
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69:and
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188:pcm
164:eff
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121:eff
90:rho
61:of
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