Hordaland Folkeblad rettar seg etter Ver Varsam-plakaten.

Hydrogen fluoride (fluorane) is an inorganic compound with chemical formula H F. It is a very poisonous, colorless gas or liquid that dissolves in water to yield hydrofluoric acid.

氢氟酸 是 氟化氢 的 水 溶液，具有强烈的 腐蚀性，纯氟化氢有时也称作无水氢氟酸。 实验室中用 萤石 （氟化钙 CaF 2）和浓 硫酸 来制造氢氟酸。 [1] 加热到250℃时，这两种物质便反应生 …

Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. Solutions of HF are colorless, acidic and highly corrosive. A common concentration is 49% (48–52%) but there are also …

氢氟酸（Hydrofluoric Acid）是 氟化氢 气体的水溶液，清澈，无色的腐蚀性液体，具有强烈的刺激性气味。 它是一种弱酸，但具有极强的腐蚀性，能腐蚀金属、玻璃和含硅的物质，如石英。 …

氟化氢（hydrogen fluoride），化学式为HF，极性分子，在常温常压（25 ℃、101.325 kPa）下为无色、有刺激性气味的有毒气体，具有强吸湿性和腐蚀性，暴露于空气中易与水蒸气结合产生 …

Hydrofluoric Acid | HF or FH | CID 14917 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity …

抵消两侧的电子并添加NO 3 {-}离子。 H {+} 与 NO 3 {-} 生成 HNO 3 ，Cu {2+} 与 NO 3 {-} 生成 Cu (NO 3 ) 3 ：

n using Hf(NO3)4 precursor for metal/oxide/semiconductor gate dielectric applications. Thin films, with less than 1% variation in accumulation capacita ce over a 150 mm wafer, have been …

1997年10月3日 · The topological transition structure has been identified. For (HFNO)+, it has been shown that the bonding within this species should be characterized by dipole-ion …