谐振的

The filaceous algae with bigger body could be damaged moreeffectively than spherical ones with smaller body in both growth inhibition and cellremoval.

不同藻类细胞中的气囊及藻体尺寸不同，谐振频率存在差异，因此最佳的超声频率不同；随声强的提高，溶液中的空化强度会随之增长并趋向饱和，抑藻和除藻的效果也趋向饱和。

Grounding on the purpose of industrialization of laser, based on the thought of astigmatism compensation and thermal stability of the cavity, we employed high power LD to pump Nd:YVO4 crystal and used the introcavity frequency doubling with type 1 noncritical phase-match LBO crystal, which has high damage threshold. The cavity parameters are optimized by the use of ABCD theory and the resonatorstructure CAD software.

立足于激光器的产品化，基于谐振腔的像散补偿和热稳定性的设计思想，采用大功率LD单端泵浦Nd：YVO_4晶体，具有高光损伤阈值的Ⅰ类非临界相位匹配LBO晶体腔内倍频方案，应用ABCD定律和腔结构模拟软件CDA设计并优化了一组腔参数。

The paper studies a quadrifilar helix antenna with good radiation property and proposes a new one.It has four feed ports and the phase difference between two borders upon ports is 90 degree.

K ilgus在1968年提出的谐振式四臂螺旋天线[1]具有一些引人注目的特点，该天线通过选择适当的物理尺寸以及馈电方式可以形成不同的辐射方向图；此外它还具有重量轻、尺寸小、不需要参考地的优点。

A segregative filter is adopted. Firstly, work out the filter parameter on the condition that ensures the stability.of the filter.Then modify the configuration and parameter on the idea of the controllability damp resonance.

采用一种分离式的滤波器设计方式，即先根据使逆变电源稳定工作LC滤波器的条件确定滤波器的参数，再根据分离式谐振阻尼LC滤波器的思想重新修正滤波器的结构和参数。

By analyzing the equivalent network model, a new method with the resonant frequency of six strange points on the amplitude plot and phase plot of transmission coefficient S21 for computing the coupling coefficient has also been proposed in the thesis.The full-wave EM simulation has verified validness of the method by utilizing the models, which has been established with HFSS.

通过等效网络的理论分析，提出利用传输系数幅度曲线和相位曲线上的六个奇异点对应的谐振频率计算耦合系数的方法，并用HFSS建立模型，通过全波仿真计算验证了上述方法。

Since a current not containing higher-harmonic components in a transition period flows as a VCM current that flows into the voice coil, vibromotive force can be easily suppressed by shifting a structural resonance point of the entire disk drive including the actuator assembly.

由于在过渡周期P2中，不包含高次谐波分量的电流作为流入音圈中的VCM电流流动，通过移动包括致动器组件的整个磁盘驱动器的结构谐振点，易于抑制起振力。

After the research it is held that when internal fault takes place in the transmission line where the series compensation device is located, the corresponding protective measures, e.g., the forced triggering the by-pass gap, etc., is the effective approach to avoid the appearance of excessing level of transient recovery voltageand oversize coupling current.

文章结合我国南方电网河池固定串补及平果可控串补工程，对超高压输电线路装设串联电容补偿装置后的系统状况进行了比较深入的研究，指出一些系统问题，如过电压水平升高、潜供电流增大和可能发生的次同步谐振均源于串联电容补偿装置的固有特性，通过研究认为当串补所在输电线路发生内部故障时，采取强制触发旁路间隙等保护措施，是避免出现系统恢复电压水平超标和潜供电流增大等问题的有效途径。

The method is based on the principle of automatic frequency tunning, i.e.

所用的方法基于自动频率微调的原理，即利用一套鉴频系统使反射速调管的振荡频率自动地跟踪到被测腔的谐振频率。

Based on the above theories, some vibration characteristics of longitudinal acoustic horns are analyzed with finite element analysis software ANSYS. Some factors influence to large end amplitude distribution is studied such as big end diameter, length of horn, and diameter ratio of big end to small one. In addition, we carry on analysis and research to resonance frequency of large cross-section acoustic horn, amplitude magnification factor, wave node position of horn, transverse vibration situation and so on, and some related change rules are obtained.

在此基础上，通过有限元分析软件ANSYS对纵向超声变幅杆进行了振动特性分析，研究了变幅杆的大端直径、变幅杆长度、大小端面直径比对大端面振幅分布的影响，并对大截面变幅杆的谐振频率、振幅放大系数、变幅杆的波节点位置，横向振动分布等进行了分析研究，总结了相关的变化规律。

GaAs RF switch MMICs for cellular phone; GaAs RF power amplifier MMICs for cellular phone; GaAs RF switch MMICs for base station; GaAs RF attenuator MMICs for base station; RF module for base station; GaAs power amplifier MMICs for CATV; MOSFET power devices;SAW resonators; SAW filters; SAW duplexers; N type and P type 4＂-6＂silicon epitaxial wafers.

这次参展的产品有：用于移动蜂窝电话的砷化镓射频单片集成电路；用于移动通信基站的射频IC及电路模块；用于CATV的砷化镓IC；MOSFET等功率器件；声表面波谐振器；声表面波滤波器；声表面波双工器；4＂-6＂N型和P型各类硅外延片。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。