1) 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。
2) attenuation coefficient
衰减常数
1.
Analysis of attenuation coefficient and cutoff character in waveguide by finite difference method;
波导截止特性和衰减常数的有限差分分析
2.
We compared the theoretical attenuation coefficients of THz radiations with different incident frequencies in hollow circular waveguides with a bore diameter of 2mm with different metallic coating films of Au,Pb and Ni,and,for a given incident frequency,calculated the relationships between attenuation coefficients of the dominant mode TE11 and the bore diameters of hollow wav.
比较了在内直径为2mm的空芯圆波导中分别镀金、铅、镍不同金属时不同入射频率的太赫兹波的理论衰减常数,计算了镀不同金属而入射波波长一定的情况下波导中主模即最低模TE11模的衰减常数随波导内直径的变化情况。
3.
This paper describes the application of finite difference method and Fortran program to obtaining the cutoff frequency and attenuation coefficient in isosceles right triangular waveguide and pentagonal waveguide.
用有限差分法计算等腰直角三角形波导和五边形波导的截止频率和衰减常数,用Fortran进行编程,计算结果与参考值非常吻合。
3) 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。
4) acoustical attenuation constant
声衰减常数
5) attenuation constant
衰变常数，衰减常数
6) Acetone sensitization
衰减速率常数
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