Hf
abbr. 高频(High Frequency);氟化氢(Hydrogen Fluoride);无危险的(Hazard Free);测高(Height Finding)
例句
The first hyperpolarizability is studied at HF/6-31G level by coupled perturbed Hartree-Fock (CPHF) method.
采用耦合微扰(CPHF)方法在 HF/6-31G 水平上对巴比妥酸衍生物的第一超极化率进行了计算。
And you have the bond energy in HF.
你得到氟化氢的共价能。
And so this is the H-F bond in HF.
所以这是氟化氢中的氢氟共价键。