A color forming composition or composite can include a polymer matrix, a thermally modifiable fluoran leuco dye having a latent developer attached thereto, and a radiation absorber.
成色组合物或复合材料可包括聚合物基质、潜在显色剂与其连接的可热修饰的荧烷隐色染料以及辐射吸收剂。
The assumption of constant relative humidity is important, because water vapor in the atmosphere is another efficient absorber of radiation at infrared wavelength.
相对湿度恒定的假设是重要的，因为大气中的水蒸气是红外波长辐射的另一种有效吸收剂。
The structure acoustic radiation caused by longitudinal vibration of shafting is reduced by changing excitation force propagation path and adopting vibration isolator or dynamic vibration absorber.
改变轴系纵振激励传递途径，在轴系上安装纵振减振器或动力吸振器以降低结构水下辐射噪声。
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