响应...

So its dynamic response model would be a scattering model rather than a direct transmission model. It is obviously reasonable that the interbedded reflecting waves should be considered.

为此，提出一种考虑夹层内一次反射波的动力响应模型，并以平面P波为例，给出了一个薄弹性软弱夹层的动力响应模型，分析其动力响应的一般特征。

In order to analyze the dynamic of a turret-moored tan ker, a perturbation method was used to predict the RAO and the spectra of moti on and mooring line tension under the irregular wave condition.

为研究转塔式系泊储油轮的动力响应，应用二阶频域摄动理论计算了其在压载状态下的一阶运动响应、二阶运动的响应谱及锚泊线张力谱，并与相应的模型试验结果进行了比较。

1On the basis of pattern recognition analysis and in the light of the spectrum oflight source and the spectral response of CCD sensor as well as the spectral reflectance ofkernels,it is found that for the monochromic image recognition system and under the con-dition of reducing the probability error of classification to minimum,the optimum lightsource is a monochromatic light,the wave length of which is that rendering the series re-sponse of the difference between the spectral reflectances of two classes of kernels and theCCD sensor spetral response maximum.

在模式识别理论分析基础上，依据光源光谱、CCD摄像元件光谱响应以及作物籽粒表面反射率光谱特性，在使分类错误概率最小的目标下，得出籽粒黑白图象识别系统最佳光源为单色光，其波长为使两类待识别籽粒反射率光谱差值与CCD光谱响应二者的串联响应最大的波长。

For the extraction of Morchella esculenta polysaccharide, the factors affected extraction at different stages were declared by response surface methodology with three factors and three levels according to Box-Benhnken theory for center united experiments.

针对羊肚菌多糖的提取，通过单因素实验，根据Box-Benhnken的中心组合实验设计原理，采用3因素3水平的响应面分析法，确定各工艺条件的影响因子，以羊肚菌多糖提取率为响应值作响应面和等高线图。

The bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. The bifurcation diagrams, maximum Lyapunov exponent diagrams, Poincaré maps, phase plane portraits, trajectories of journal center, time-history curve, amplitude spectra diagrams of the rotor motion are used. The convert and evolution course of periodical response, quasi-periodical response, double-periodical bifurcation, chaos of the system response is analyzed.(3). It is deduced that the general differential equation of bending-torsional-pendular coupling vibration about rotor with the gyroscopic moment. On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced.

2建立了具有非线性刚度的转子系统在非稳态非线性油膜力作用下的径向碰摩动力学微分方程，并应用含高阶余项的非线性动力方程的线性化数值法研究了此类系统响应的复杂动力学行为，利用转子响应的分岔图、最大Lyapunov指数曲线、Poincaré截面映射、时域波形、相轨线、轴心轨迹、幅值谱等图形分析了系统响应的周期运动、拟周期运动、倍周期分岔、混沌等运动形式的转化与演变过程，重点研究了非线性刚度、转子转速、偏心质量等系统参数对碰摩故障转子系统的分岔和混沌行为的影响。

To analyze the experimental results, the four operating conditions that influence mean particle size and size distribution, filtration time and the rate of hydrolysis of titanyl sulfate solutions are evaluated, four fitting models between responses and its influence factors are obtained. Optimum operating conditions are predicted. An experiment for validation of predicted conditions was carried out, and confirms the estimations are correct.

利用响应面试验设计软件来辅助设计，根据实际的输入与响应的结果，研究了搅拌速率、加料速率、加热速率和底水量对水解产物的粒度及粒度分布、过滤时间和硫酸氧钛的水解率的影响，推导了四个因素对四个响应的数学模型，分析其试验误差，最后得到优化试验的预测结果，用于指导实际的生产过程。

Compared with reinforced concrete floor, steel deck possess the advantage of thin wall, light in mass, but owing to smallness of damp, weakness of dissipation of energy, comfort possibly dissatisfies applicability required. Therefore, this paper first calculates and analyses dynamic property of new style steel deck; according to single footfall curve, ascertaining hominine walking excitation; utilizing time-history analytical method, calculating peak acceleration response of floor slab under excitation, and analyzing peak acceleration response proceeding from different board stride, different damping ratio as well as different profile.

相对于钢筋混凝土楼板而言，虽然钢承板具有壁薄、质轻的优势，但由于阻尼小、耗能差，其舒适度可能会不满足适用性的要求，为此本文首先计算和分析了新型钢承板的动力特性；根据单步落足曲线确定了人的行走激励；利用时程分析法，计算了楼板在行走激励下的最大加速度响应，并对不同板跨、不同阻尼比以及不同板型下的最大加速度响应进行了分析，结果表明这三种因素，尤其阻尼比和板型对于加速度响应的影响较大。

Azobenzene functionalized polyelectrolytes and polyamphiphiles are novel functional polymers with many interesting characteristics such as the photo-responsive properties based on the photo-induced cis-trans isomerization, the ability to build up ordered supramolecular structure, and the sensitivity to the environmental stimuli. The aim of this dissertation is to investigate the rules that control the formation of ordered structures from the azo polyelectrolytes and polyamphiphiles based on the supramolecular interaction, to explore the relationships between the material functionality and the supramolecular self-assembled structures at different levels, and to establish the methods for producing novel materials with potential applications in photonic and electronic areas.

中文题名光响应性偶氮聚电解质自组装及超分子结构的研究副题名外文题名 Self-assembly and supramolecular structure of photoresponsive azo polyelectrolytes 论文作者庹新林导师刘德山教授学科专业材料学研究领域\研究方向高分子材料学位级别博士学位授予单位清华大学学位授予日期2002 论文页码总数162页关键词聚电解质超分子结构自组装偶氮聚电解质馆藏号BSLW /2003 /O631 /38 偶氮聚电解质和两亲性偶氮聚合物是一类新颖的功能性聚合物，同时具有偶氮苯基团的光响应性、聚电解质和两亲性聚合物在适当条件下形成各种有序结构及其结构对周围环境具有敏感响应性等特点。

It features the high sensitivity of a condenser microphone, yet exhibits the smoother frequency response and excellent transient response of a ribbon microphone.

R102铝带麦克风专为当今广播电视录音设计，它不仅具有电容麦克风的高灵敏度以及平滑的频率响应，又有比电容式麦克风更快的速度响应，速度响应为麦克风中的首选。

The analysis results indicate that the vibration fractional factor with rotating frequency has a close relationship with both rotating speed of rotor and damping of bearing under constant acceleration. When rotating acceleration is small and damping is large, the transient response is not sensitive to the variation of rotating speed; otherwise the imbalance response with constant acceleration and the response in stable state will build up obvious differences near critical rotating speed.

研究结果表明：在恒加速条件下，转子同频振动分量与转子的转速、支承阻尼等因素密切相关，当角加速度较小且阻尼较大时，其瞬态响应对转速的波动不敏感；而当角加速度较大或阻尼较小时，恒加速过程不平衡响应与稳态响应在临界转速附近将产生明显的差异。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。