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- hydrogen spectrum lamp 氢灯
- An explanation to intensity of hydrogen spectra is given with the use of quantum mechanics, and the Lyman and Balmer series are calculated. 应用量子力学知识对氢光谱的强度分布给予了理论解释;并计算了赖曼系、巴耳末系头三条谱线强度之比.
- For the wavelength data of hydrogen spectra line(visible range), whether we can use the modern methods of handling data to derive the Balmer formula and to be in accord with logic, the answer is affirmative. 对于氢原子谱线 (可见区 )的波长数据 ;能否用实验数据处理方法 ;合乎逻辑地导出巴尔末公式 ;本文给予肯定 .
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The lamp fell plonk on the table. 台灯砰的一声倒在桌上了。
- This piece of glass seems to be part of a lamp. 这片玻璃似乎是一盏灯的一部分。
- A moth was fluttering round the lamp. 有一只蛾子扑打著翅膀绕著灯飞。
- Half the oil in the lamp had burnt away. 油灯中一半的油已经烧掉了。
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- He ran against a lamp post in the dark. 在黑暗中他撞上了一根电线杆。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- That new lamp they've bought is pure kitsch. 他们新买的那盏灯真俗气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- There was a kerosene lamp on the table. 桌子上有一盏煤油灯。
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
- She drew the curtain close and turned up the lamp. 她把窗帘拉上,把灯拔亮了一些。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。