h

同义

hydrogen h atomic number 1

词性

n

解释

a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

示例

None

同义

h henry

词性

n

解释

a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second

示例

None

同义

h planck's constant

词性

n

解释

the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second

示例

None

同义

h

词性

n

解释

the 8th letter of the Roman alphabet

示例

None

同义

total heat enthalpy h heat content

词性

n

解释

(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure

示例

enthalpy is the amount of energy in a system capable of doing mechanical work