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衰减     
相关语句
  attenuation
     Study on Attenuation Relationships of Long Period Ground Motions
     长周期地震动衰减关系研究
短句来源
     DESIGN OF LOSSY FILTERS WITH MINIMUM FLAT ATTENUATION
     平坦衰减最小的有耗滤波器的设计
短句来源
     ANOMALOUS SOUND ATTENUATION NEAR THE NEMATIC-SMECTIC A PHASE TRANSITION OF A LIQUID CRYSTAL
     液晶N相→S_A相相变点附近的反常声衰减
短句来源
     THE γ-RAY ATTENUATION COEFFICIENT OF ALUMINIUM MEASURED WITH A RESONANT ABSORPTION SPECTROMETER
     应用共振吸收谱仪测量Al对γ射线的衰减系数
短句来源
     THE MEASUREMENTS OF THE HORIZONTAL ATMOSPHERIC ATTENUATION FOR 5320 LASER BEAM
     5320激光的水平大气衰减测量
短句来源
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  decay
     Measurement of Minority Carrier Lifetime in Silicon by the Method of 1. 09μm Infrared High Frequency Photoconductive Decay
     高频1.09μm红外光电导衰减法测试硅单晶非平衡载流子寿命
短句来源
     Analysis of kinetic model of double exponential fluorescence decay
     双指数荧光衰减动力学模型分析
短句来源
     Preionization electron decay process in XeCl avalanche discharge lasers
     在XeCl雪崩放电激光器中预电离电子的衰减过程
短句来源
     RELATIONSHIP OF PROMPT NEUTRON DECAY CONSTANT WITH REACTIVITY IN SUBCRITICAL SYSTEM
     次临界系统中瞬发中子衰减常数与反应性的关系
短句来源
     DECAY AND CROSS RELAXATION OF Sm~(3+) IONS IN BORATE GLASS
     硼玻璃中Sm~(3+)离子的衰减及交叉弛豫
短句来源
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  damping
     The damping laws of acceleratior and particle velocity are: A=320W0.53R-2.0 V=650W0.52R-1.9 Where Wis quantity of dynamite in kg;
     加速度和粒子速度的衰减规律为: A=320W0.53R-2.0 V=650W0.52R-1.9 其中W是药量,单位为kg;
     Based on the research into the damping properties of SiCp/Al composites by internal friction and ultrasonic attenuation method, the relationships between ultrasonic absorbing attenuation coefficients and scattering attenuation coefficients are analyzed.
     在利用内耗法和超声衰减法研究SiCp/Al复合材料阻尼性能的基础上,分析SiCp/Al复合材料超声衰减系数中吸收系数与散射系数之间的关系,提出一种用超声法测定SiCp/Al复合材料增强体SiC含量的方法。
短句来源
     The inverted torsion pendulum technique (JN-1 vacuum internal friction technique) was used to test the damping capacities of Fe-Cr-Mo and Fe-Cr-Al-Si alloys.
     采用葛氏倒扭摆(JN—1型真空扭摆仪)测试了Fe-Cr-Mo、Fe-Cr-Al-Si合金的阻尼性能(用对数衰减率表示)。
短句来源
     In the range of 1~20 Hz,the average value of vibration damping is 29 dB.
     在 1~ 2 0 Hz范围内 ,振动平均衰减率可达 2 9d B.
短句来源
     Energy decay of the nonlinear Carrier equation with damping terms
     非线性Carrier方程解的能量衰减估计
短句来源
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  attenuated
     Tikhonov-Phillip's Regularization Inversion Method of Attenuated Radon Transform
     衰减Radon变换反演的Tikhonov-Phillip正则化方法
短句来源
     (2) SFO pressor responses were markedly attenuated by preinjection of [Sar 1,Thr 8] AⅡ (ST AⅡ , an AⅡ antagonist) into bilateral NPV or RVLM, while NPV pressor responses were suppressed by ST AⅡ injection into the RVLM;
     (2)SFO升压反应可被双侧NPV或RVLM内预先注入[Sar1,Thr8]AⅡ(STAⅡ,AⅡ拮抗剂)明显衰减,NPV升压反应也可被RVLM内注入STAⅡ削弱;
短句来源
     The limiting oxygen index of the fabric was 26.9%,the ultraviolet absorbancy be- low 1.6,the volume resistivity 8.13×10~(13)Ω·cm,the triboelectrification voltage 7 272 V,and the attenuated voltage in 1 min 5 519 V.
     织物极限氧指数为26.9%,紫外吸光度低于1.6,体积比电阻为8.13×10~(13)Ω·cm,摩擦静电压为7 272 V,1 min后衰减电压为5 519 V。
短句来源
     2) In this experiment, if the concentration of available chlorine was <0.3 mg/L, it was completely attenuated within 24 h, when>3.0 mg/L, still exists after 96 h;
     2) 在本实验条件下, 小于0-3 mg/L 的有效氯24 h 内基本衰减完毕, 大于3-0mg/L的有效氯96 h 后仍有余氯存留;
短句来源
     The maximum value of J - integral was in the deepest point of surface cracks, the J - integral value gradually attenuated close to free surface and its change rule along crack's border had a direct bearing on the "shape ratio"2C/a, the J - integral value tend to flat along with decrease of "shape ratio"2C/a.
     J积分的最大值出现在表面裂纹的最深处,靠近自由表面时,J值逐渐衰减,其沿裂纹边缘的变化规律与“形状比”2C/a密切相关,随着2C/a的减小,J值变化趋向平缓。
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  attenuation
Also we point out that such reconstruction algorithm procedures can be used to deal with the SPECT projection data with constant attenuation.
      
An issue of synthesis of linear regulators is considered, which involves a control problem with a generalized H∞-criterion that makes it possible to smooth out values of the maximum coefficient of attenuation of the vibrational energy.
      
The method for computing signal attenuation in wireless data transmission systems taking the relief and antenna parameters into
      
A method, realizable in the form of a program on the personal computer, for computing signal attenuation in the radio link taking the relief of the underlying surface and characteristics of the antenna assembly into account is proposed.
      
Examples of computing signal attenuation in different conditions are represented.
      
更多          
  decay
We show, how the factorization ofP can lead to decay of |?v(u)| as |u| → ∞.
      
The results on decay are used to prove uniqueness of solutions and convergence of the cascade algorithm.
      
We present weak sufficient conditions for decay of a wavelet so that the wavelet basis is an unconditional basis in Lp(?), 1 >amp;lt;p >amp;lt; ∞.
      
In this paper we investigate the pointwise Fourier decay of some selfsimilar random measures.
      
Estimates, decay properties, and computation of the dual function for Gabor frames
      
更多          
  damping
A dynamic signal is introduced and adaptive nonlinear damping terms are used to restrain the effects of unmodeled dynamics, nonlinear uncertainties and unknown bounded disturbances.
      
Nonlinear optimal predictive controller for static var compensator to improve power system damping and to maintain voltage
      
The main objectives of this paper are to simultaneously improve power system damping and to maintain voltage at the static var compensator (SVC) location bus simultaneously.
      
The ideas of adaptive nonlinear damping and changing supply functions were used to counteract the effects of parameter and nonlinear uncertainties, unmodeled dynamics and unknown bounded disturbances.
      
The results, based on the dynamic properties calculation of a typical mechanical spiral seal, such as stiffness coefficients and damping coefficients, exert the influence of the mechanical seal on the rotor-bearing system of the high-speed machinery.
      
更多          
  attenuated
Immure response induced by oral DNA vaccination against FMDV delivered by attenuated Salm onella choleraesuis C500
      
In group B, the histopathologic damage was attenuated to a certain extent in comparison to that in group A.
      
Oxytocin further attenuated GI-RI after vagotomy and sympathectomy (GMDI 6.83 ± 8.89, 29.67 ± 5.54, n = 6), compared with the GI-R group and the oxytocin group (P >amp;lt; 0.01).
      
The surface composition of the blend films was determined by Fourier transform infra-red spectroscopy coupled with a variable incidence angle attenuated total reflection accessory (ATR-FTIR).
      
The results of attenuated total reflectance FTIR spectroscopy (ATR-FTIR) showed that PP-g-PEG could diffuse preferably onto the surface of the blends and be suitable as an effectual macromolecular surface modifier for PP.
      
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