pyopenms.Constants#
Module Attributes
EPSILON (used for comparisons) |
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PI |
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Euler's number - base of the natural logarithm |
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Elementary charge (Coulomb) |
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Electron mass (kg) |
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Electron mass in units |
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Proton mass (kg) |
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Proton mass in units |
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Mass difference between Carbon-13 and Carbon-12 in units |
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Neutron mass (kg) |
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Neutron mass in units |
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Avogadro constant (1/mol) |
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Boltzmann constant (J/K) |
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Planck constant J * sec |
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Gas constant (= NA * k) |
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Faraday constant (= NA * e0) |
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Bohr radius (m) |
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Vacuum permittivity in C^2 / (J * m) |
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Vacuum permeability in J s^2 / (C^2 * m) |
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Speed of light in m/s |
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Gravitational constant in N m^2 / kg^2 |
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Fine structure constant |
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Degree per rad |
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Rad per degree |
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mm per inch |
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m per foot |
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Joule per calorie |
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Calories per Joule |
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User parameter name for precursor mz error in ppm |
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User parameter name for precursor mz error in ppm |