电离

The ionisation energy of hydrogen is the minimum energy required to remove an electron from a hydrogen atom.
氢的电离能是将一个电子从氢原子中移除所需的最小能量。
UV radiation can cause the ionisation of atoms in the upper atmosphere, leading to the formation of the ozone layer.
紫外线辐射能引起高层大气中原子的电离，进而导致臭氧层的形成。
In mass spectrometry, samples are ionised before being separated based on their mass-to-charge ratio.
在质谱分析中，样品首先被电离，然后根据它们的质量与电荷比进行分离。
The process of ionisation often involves the addition or removal of electrons from an atom or molecule.
电离过程通常涉及从原子或分子中添加或移除电子。
The high temperature inside a star facilitates the ionisation of gases, creating a plasma state.
星体内部的高温促进了气体的电离，形成了等离子态。
Water molecules can undergo ionisation when they dissolve salts, producing hydrogen ions (H+) and hydroxide ions (OH-).
水分子在溶解盐时会发生电离，产生氢离子（H+）和氢氧根离子（OH-）。
The ionisation constant (Ka) for a weak acid indicates its tendency to donate protons in aqueous solutions.
弱酸的电离常数（Ka）表示其在水溶液中捐赠质子的倾向性。
In a flame test, the heat causes the atoms to ionise and emit characteristic colors due to electron transitions.
火焰测试中，热量使原子电离，并由于电子跃迁而发出特征颜色。
The ionisation chamber in a smoke detector works by measuring the change in electrical conductivity caused by smoke particles entering it.
烟雾探测器中的电离室通过测量因烟雾颗粒进入而导致的电导率变化来工作。
The double ionisation of a helium atom, where both electrons are removed, requires a significant amount of energy.
氦原子的双重电离，即两个电子都被移除，需要大量的能量。