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- The laser beam is tuned to the 589-nm sodium line to the mesospheric atomic sodium layer. 图13显示一颗仿导引星。雷射光被调较至波长为589奈米钠线，然后雷射光会指向中气层的钠原子层。
- The basic characters of the sodium layer mean distribution over Wuhan, China are described from analysis of a large amount of sodium fluorescence lidar observation data. 摘要通过大量钠层荧光激光雷达观测数据的分析研究，给出我国武汉地区钠层平均分布形态的基本特徵。
- Lidar studies of the nighttime sodium layer over Hefei, China 合肥上空钠层夜间激光雷达观测的初步研究
- Using the Lidar to Observe and Study the Sodium Layer over Wuhan 武汉上空钠层的激光雷达观测与研究
- Sodium and water react (together). 钠和水能起反应。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- A layer, as of doubled-over cloth or of paperboard. 一层一层，如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- A thin, flat layer or scale, as that of a fish. 外表组织薄而平的一层或鳞状物，如鱼鳞
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。
- Signature of an overturning gravity wave in the mesospheric sodium layer: Comparison of a nonlinear photochemical-dynamical model and lidar observations 在中层钠层重力波翻转的信号:非线性光化学-动力模式和激光雷达观测的比较
