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- The absorption spectrum and fluorescence spectrum of the two crystals were measured, the absorption cross section and emission cross section of the major peaks were calculated. 测得晶体的吸收光谱和荧光光谱，分别计算了两种晶体在主吸收峰的吸收截面和主发射峰的受激发射截面。
- Stimulated emission cross section 受激发射截面
- For He+ +Li collision system, Lil 670.8 nm emission cross sections linked well with the results of Aumayr et al. at the low energy points. 对He~+与Li碰撞过程;LiI670.;8nm谱线发射截面与Aumayr等人相应的低能结果能够比较好地衔接。
- Our Lil 670.8 nm emission cross sections of He2++Li collision system agrees well with both the theory of Ermolaev er al. and the experimental results of Kadota et al. within the experimental errors. 对He~(2+)与Li碰撞过程;LiI670.;8nm谱线发射截面与Ermolaev等人的理论结果及Kadota等人的实验结果在实验误差范围内符合得很好。
- Keywords niobate-tellurite glass;spectroscopic proper ties;absorption cross section;emission cross section; 碲铌酸盐玻璃;光谱特性;吸收截面;发射截面;
- A pillar, rectangular in cross section, supporting an arch or roof. 支柱交叉处的长方形柱子，支撑一个拱顶或屋顶
- absolute emission cross section 通过截面的绝对发射
- emission cross section 辐射截面
- A concave molding with a cross section that approximates a quarter circle. 飞檐的凹圆线脚截面近于九十度弧的凹线脚
- A specific layer of soil or subsoil in a vertical cross section of land. 地层，岩层处于土地的垂直横截面中的某一具体土层或次土层
- The Mett cross section applies to a point scatterer. 莫脱截面适用于点散射体。
- If we look at a cross section of a water wave, we may see that the wave form repeats itself at regular intervals. 如果我们观察水波的横截面，我们会看到波形是按一定的间隔重复的。
- As a single crystal ithas large emission cross, wide absorption band, low threshold, high thermoconductivity. 具有大的受激发射跃迁截面，宽吸收带，低激光发射振荡阈值，高热传导率等特点。
- This old man is a cross section of modern artists in Britain. 这位老者是英国现代艺术家的典范。
- Runners cross section type and size as per standard. 流道切面形状和尺寸符合标准。
- They do not represent a complete cross section of his works. 这当然并非包括了他的全部著作。
- A thrombosis of a coronary artery is shown here in cross section. 此横截面显示冠状动脉血栓形成。
- After incision, on the cross section also can have redfiliform. 切开之后，断面上还会有红色的丝状物。
- It is suitable for conductor cross section is 35-120 mm2. 它是合适的导线截面35-120平方毫米。
- Seed flattened dorsally in cross section, face concave. 种子背面扁平在横断面上，表面凹。
