He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.
他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。
Furthermore, we analysis the effect of difference inner-cladding structures on the absorption efficiency of pump light, and the fiber length has a significantly impact on output power.
分别介绍了单包层光纤和双包层光纤的结构，分析它们的传输特性，讨论了内包层形状对泵浦光吸收效率的影响以及光纤长度对输出功率的影响。
The chain length distribution of a oligomeric polystyrene sample initiated by n-butyl lithium was determined by high performance size exclusion chromatography on a ultraviolet absorption detector.
用高效尺寸排除色谱以紫外吸收光度计寿检测器，测定了一个以正丁基锂引发的聚苯乙烯齐聚物的链长分布。
It includes mass absorption of element itself, between elements and element at original X-ray wave length.
它包括元素本身、元素间和元素对某波长的质量吸收。
Based on the sound absorption mechanism of Helmholtz Resonator, the advantage of soft tube length is fully used in the new structure, and thus the low-frequency noise can be controled easily.
提出了一种新型的宽频带共振吸声结构，该结构基于赫姆霍兹共振吸声机理，并充分利用了软管在长度上的优势，易于实现对低频噪声的控制。
According to analysis of variance, the number of sorghum seedlings, root number, seedling length, root length, seedling fresh weight, root active absorption area, such as the relevance of better.
根据方差分析，高梁苗数、根数、苗长、根长、苗鲜重、根活跃吸收面积等相关性较好。
The results show that, there is no absorption on the top 20% of the length of vertical tube, where the solution is just cooled by cooling water.
结果表明，吸收器垂直管的顶部在2 0 %的长度内不存在吸收过程，溶液仅进行冷却降温；
The content of KY 405 SBS plastic in which other compositions exist is determined by UV double wave length equivalent absorption point.
采用紫外分光光度双波长等吸收点法对SBS塑料中的抗氧剂KY - 40 5含量进行了分析。
With the increase of oil length, water absorption of the film reduces, while electrical strength increases, but water-dispersible was bad, the ideal oil length was 37%;
桐油改性水性醇酸树脂油度增大，漆膜的吸水率降低，电气强度增大，但树脂的水溶性变差，理想油度为37%；
With the increase of oil length, water absorption of the film reduces, while electrical strength increases, but water-dispersible was bad, the ideal oil length was 37%;
桐油改性水性醇酸树脂油度增大，漆膜的吸水率降低，电气强度增大，但树脂的水溶性变差，理想油度为37%；
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