effective constant
英 [ɪˈfektɪv ˈkɒnstənt]
美 [ɪˈfektɪv ˈkɑːnstənt]
网络 有效常数
双语例句
- The even or odd mode effective dielectric constant is calculated by inserting the magnetic wall or electrical wall at the lateral boundry.
通过在电路的两侧人为地插入电壁或磁壁，分别解出电路的偶模与奇模有效介电常数。 - It looks like A goes to C with C an effective rate constant k prime.
它看起来是A以某个，有效速率常数k撇到。 - The speed, of response of the synchronous condenser is greatly influenced by the effective time constant of the field, which is typically 2-3 seconds.
同步调相机的响应速度受励磁磁场时间常数影响很大，时间常数一般为2&3秒。 - Their charge lifetimes ( effective time constant) τ were estimated by means of isothermal depolarization program.
通过等温退极化程序，对上述三种薄膜驻极体的电荷储存寿命（有效时间常数）τ进行了定量估算。 - The results also show that metal sidewalls increase the effective dielectric constant of microstrip and lower the dispersion of microstrip.
屏蔽盒的侧壁使微带线等效介电常数变大，并减小了微带线的色散。 - A macro homogenization model was built, based on regularities of distribution about holes in perforated revolving drum, therefore regularities of distribution of equivalent plate's effective elastic constant was obtained, while the holes were in the state of different distributions, different apertures and hole pitches;
首先根据开孔转鼓中小孔的分布规律建立了宏观均匀化模型，得到了小孔在不同分布不同孔径和不同孔间距状态下当量板的有效弹性常数分布规律； - In this paper, we present a law of variation for the effective cosmological constant and discuss its affections to some cosmological parameters in different time-dependent phases of the cosmos.
探讨了有效宇宙学常数A（或总有效真空能密度ρv）的演化规律及它的存在与演化对宇宙演化不同阶段中各种参数的影响。 - To the production function, the flow capital is more effective than constant capital.
在资本构成中，流动资本比固定资本作用更大。 - In this paper an algorithm of computer program for optical field analysis of semiconductor laser is derived using two techniques of the effective dielectric constant method and the equivalent transmission line method. And computer program flow chart is also given.
本文利用有效介电常数法和等效传输线法两种技巧，导出了一种半导体激光器光场结构分析的计算机程序的算法，并给出了相应的该算法的程序框图。 - Analytical closed form expressions for characteristic impedance and effective dielectric constant for the new line are obtained using conformal mapping method under the assumption of pure TEM propagation and zero dispersion.
基于假设只有纯TEM波传播和零色散的情况下，通过保角变换得到了特性阻抗和有效介电常数的闭合形式的解析表达式。 - Based on the electromagnetic scattering theory of dielectric wire and effective medium theory, the formula of the effective dielectric constant of metal wire-dielectric composites is derived.
基于介质圆柱电磁散射理论和等效介质理论，导出了金属柱微粒-电介质复合材料的等效相对介电常数的表达式。 - Numerical results reveal that effective dielectric constant becomes negative when incident wave frequency is below some frequency or the metal concentration is more than some value.
数值结果表明：入射波频率低于某一频率或金属柱掺料的体积分数增大到一定数值时，复合材料的等效相对介电常数实部会变为负数。 - The effective elastic constant concept was introduced during the finite element analysis. As a result, the total stresses distribution on the surface of tubesheet was presented.
在有限元分析中使用了有效弹性常数的概念，最后得到了管板表面的应力分布。 - The theoretical formulas for the filling factor, effective dielectric constant, reduced wave impedance and reduced waveguide wavelength are given.
给出有关填充因子、有效介电常数、约化波阻抗和约化波导波长的理论公式。 - The field-dependent effective dielectric constant of the composites is also studied.
此外，我们还研究了复合体系的有效介电常数对外场的非线性依赖。 - The effective dielectric constant and the property of shielded microstrip lines are discussed with the equivalent network approach [ 1]. Formulae for the characteristic impedance of shielded microstrip lines are derived by the field structure and the surface current distribution in the conductive strip.
本文在用等效网络法分析屏蔽微带的有效介电常数及其色散特性基础上，根据屏蔽微带线中的场结构和导带表面电流分布，推导出屏蔽微带线的特性阻抗公式。 - The developmental zero of nymph was 7.9 ℃ and the effective temperature constant was 81.48 day-degrees.
若虫的发育起点温度为7.96℃，有效积温为81.48日℃。 - The effective elastic constant of the GaAs-GaAlAs kind semiconductor superlattice has been obtained by means of the mathod of Green's function in the long Wave approximation.
在长弹性波近似下，利用双时格林函数的处理方法，得到了GaAs-GaAlAs型半导体超晶格的有效弹性模量。 - The excess of SrO ( Ti/ Sr < 1.00) is favorable for grain growth and getting higher effective dielectric constant under favorable sintering condition.
在良好的烧结条件下，SrO过量（Ti/Sr<1.00）有利于晶粒生长和获得高的有效介电常数。 - The offset quadrature phase-shift-keyed ( OQPSK) is an effective digital constant envelope modulation for band-limited nonlinear channel.
偏移四相相移键控（OQPSK）是一种适用于在限带非线性信道中使用的高效恒包络数字调制技术。 - Secondly, some influences of fringing field are taken into account, an effective dielectric constant is introduced, and the resonant frequency expression is modified as well.
然后，考虑了边缘场的影响，引入了有效介电常数，对谐振频率的理论公式进行了修正。 - The effective refractive index of the PA film is calculated from porosity given by Maxwell-Garnett effective dieletric constant theory.
PA的有效折射率可根据Maxwell-Garnett有效介电常数理论由孔隙率算出。 - Study of stability of effective dielectric constant of relaxor ferroelectrics under biased voltage
偏压下弛豫型铁电陶瓷有效介电系数稳定方法的研究 - This approach is tested to be correct, through the numerical calculation of the effective dielectric constant of a bilateral symmetry finlines.
通过对称双侧鳍线的有效介电常数的数值计算，验证了本文方法的正确性。 - The method has two preconditions, the desired precision and the effective range constant, and thus it's very oriented to the industrial application.
方法的应用前提条件很少，只需要事先确定期望逼近精度和有效范围系数。 - Development of the theory and calculation method may help to better understand and predict the effective physical properties, like the effective conductivity, effective dielectric constant and effective module of such systems.
理论和计算方法的不断进步可以帮助理解和预言多相复合体系的有效宏观物性，如体系的有效电导、有效介电常数、有效弹性模量等。 - Under Quasi-static approximation, based on the non-diluted condition, the analytical expression of the effective dielectric constant and third-order nonlinear susceptibility of granule composite system was obtained in our research.
在准静态近似下，我们推导得出非稀释情况下，颗粒复合体系的有效线性介电常数和有效三阶非线性极化率的解析表达式。 - With three models, the effective dielectric constant of pressboard can be calculated.
对于绝缘纸板的实际介电常数的计算给出了三种计算模型。 - This paper also presents the finite differential method ( FD method) as a tool of calculating the field distribution and effective propagation constant. Furthermore, we figure out the relationship between the bend radius and the loss of waveguide.
由于弯曲波导是AWG器件中不可缺少的结构单元，论文运用柱坐标下有限差分法来计算弯曲波导的场分布和有效传播常数，找出了波导弯曲半径与波导弯曲损耗之间的关系。