查询词典 attenuation constant

The spring constant, the mass, the constant of attenuation and the angular frequency of the exciting oscillation can be changed within certain limits.

弹簧振动的劲度系数、质量、衰减量和角频率可以在一定限度内被改变。

Assuming that viscosity varies linearly with frequency, this implies that the attenuation per wavelength is constant.

假定粘弹体随频率线性变化，这意味着单位波长的衰减为常数。

According to first-order reaction, nitrobenzene's total natural attenuation rates constant are 0.063 5/h and 0.005 9/h respective of silt medium and sand medium.

根据一级动力学方程计算得出，硝基苯在淤泥介质中的自然衰减总速率常数为0063 5/h，在砂砾介质中的自然衰减总速率常数为

According to the importance of frequen-cy in power system operation,the authors tested andcalculated the frequency attenuation time constant Tfand the static load frequency coefficient KL,whichcharacterinze the frequency variation of power system.

根据电网频率运行的要求，对表征电网频率特性的频率衰减时间常数Tf、静态负荷频率调节系数KL进行了试验研究和理论分析计算。

The important parameters for RF circuit suchas dielectric constant, attenuation losses and loss tangent were extracted successfully.

因此， 在CMOS 制程中设计整合被动微波元件时，克服Low k 层好的介电损失将是设计上的ㄧ大挑战，在本计划中提出以步阶阻抗谐振器与共平面波导减少介电损所造成的损失。

The results show: 1 attenuation of available chlorine of bleaching powder in water follows the eqution ρ=a+be-kt,attenuation ratio constant increases with reduction in initial concentration of available chlorine, high temperature, increase in COD and light and decrease in pH.

关于漂白粉在养殖生产中应用的研究不多，赵增元等[1]报道了漂白粉在改善对虾池水环境方面的一些结果，王勇强[2]就其对细菌性虾病防治的药理进行了研究，刘长发等[3]报道了漂白粉的清塘效果及其对虾池水质的影响。

The results show: 1 attenuation of available chlorine of bleaching powder in water follows the eqution ρ=a+be(superscript -kt), attenuation ratio constant increases with reduction in initial concentration of available chlorine, high temperature, increase in COD and light and decrease in pH.

结果表明：1漂白粉有效氯在水中按ρ=a+be规律衰减，衰减速率常数随初始有效氯浓度的减小、温度的升高和COD的增大而加快，随pH的下降和光照强度的增加而增加。

Attenuation induced by rain is prediceted with the equivalent complex refraction constant. The attenuation predicted is nearly consistent with that calculated by the formula recomended in ITU-R and measured results, which testifies that the method used in that paper is effective.

然后，利用所得公式计算得到的等效复折射指数预测了降雨衰减率，预测值与ITU-R推荐公式计算结果及实测值基本符合，说明文中所使用的方法是有效的。

A single chip controlled by digital detector based on the principle of microwave attenuation constant has been introduced. It has been shown that it can test moisture content of veneer on-line, with its nondestructive, far-reaching, color-proof and accurate features, and it can show the value of the moisture content.

该系统以计算机为核心，基于微波测量原理，能在线测量木材含水率，具有无损检测、测量范围宽、不受材料颜色的影响、测量误差小、输出显示木材含水率等特性。

The rules of the cold-test characteristics changing with helix pitch are also studied and it turns out that, with increasing helix pitch, the phase velocity increases linearly, the interaction impedance changes nonlinearly and the attenuation constant decreases nonlinearly. At the same time, with the limitation of the synchronism between the electron beam and the electromagnetic wave, the change of pitch is small and therefore an approximate linear relation can be introduced.

研究表明：相速几乎随螺距增大而线性变大，互作用阻抗与螺距是非线性的关系，衰减常数随螺距增大而非线性地减小；由于在维持电子注与电磁波速度同步的限制下，螺距变化的幅度不可能很大，因此可近似按线性关系来处理互作用阻抗及衰减常数与螺距之间的关系。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。