1) decay lifetime
衰减时间常数
1.
The decay lifetime of fluorescence was obtained by processing experimental .
进而分析、处理，得到碘荧光的衰减时间常数和温度之间的经验公式。
2) exponential decay time constant
指数衰减时间常数
3) damping time constant
阻尼时间常数，缓冲时间常数，衰减时间常数
4) decay time constant
衰变时间常数
1.
Thedecay time constant and spectral properties of the scintillating fibers of Tb_2O_3 and Ce_2O_3 glass aregiven.
本文简要地介绍闪烁光纤的工作原理,指出了掺Tb~(3+)和Ce~(3+)闪烁玻璃光纤的谱特性和衰变时间常数,将它们和CeF_3与其它元机闪烁材料的特性进行了比较,从而得知CeF_3及掺Ce~(3+)闪烁玻璃光纤存在着潜在的巨大应用市场。
5) attenuation constant
衰减常数
1.
The relation of directions of phase constant and attenuation constant in conductive media;
导电介质中电磁波相移常数与振幅衰减常数的方向关系
2.
The electric properties of coaxial cable, such as its characteristic impedance, screening attenuation, attenuation constant, and loss of echo wave, are related to the physical mechanism of the skim effective resistance, electromagnetic field, distribution par.
同轴电缆的特性阻抗、屏蔽衰减、衰减常数、回波损耗等电气性能 ,涉及到趋肤效应、电磁场、分布参数等物理机制。
6) decay constant
衰减常数
1.
By the experiments,factors that effect decay of residual chlorine that happens in bulk water are analyzed and observed that the bulk decay constant changes associated with the water temperature,initial chlorine concentration,and total organic carbon.
通过观察发现,主体水余氯衰减常数(k_b)随温度(θ)、初始氯质量浓度(C_0)以及有机物质量浓度(TDC)而有显著变化。
2.
In this paper laser excited(excitation at 266nm) fluorescence decay constants of YAP:Ce scintillation crystals with different sizes and various Ce~(3+)dopant concentrations were measured.
用波长为266nm的激光激发不同尺寸、不同掺Ce3+浓度的YAP:Ce闪烁晶体,测量其光致激光荧光衰减常数,测量结果表明:YAP:Ce闪烁晶体的光致荧光衰减常数约为18。
3.
The characteristic impedance,acoustic theory,absorption coefficient and decay constant of the sound absorption functional rubber were introduced,and their research progress and applications were investigated.
介绍了吸声功能橡胶的特性阻抗、吸声原理、吸声系数和衰减常数,以及吸声功能橡胶的研究现状和应用,并展望了其发展方向。
补充资料：衰减常数
分子式：
CAS号：
性质：α=πd/(nλ)式中α为衰减常数,m-1；d为损耗因数；λ为波长,m；n=1(对于纵波或扭转波)；n=2(对于弯曲波)。用衰减常数可以确定阻尼振动的空间衰变：A=A0exp(-dx),式中A为振幅；Ao为初始振幅；X为空间坐标。
CAS号：
性质：α=πd/(nλ)式中α为衰减常数,m-1；d为损耗因数；λ为波长,m；n=1(对于纵波或扭转波)；n=2(对于弯曲波)。用衰减常数可以确定阻尼振动的空间衰变：A=A0exp(-dx),式中A为振幅；Ao为初始振幅；X为空间坐标。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条