查询词典 resonance cavity

Objective The purpose of this study was to describe the changes of resonance characteristics of the nasal cavity, including nasal sinuses, and nasal airway resistance after endoscopic sinus surgery, through objective measurement of nasality and NAR before and after ESS.

目的 通过对慢性鼻窦炎Ⅰ型患者行内窥镜鼻窦手术(endoscopic sinus surgery， ESS)前后鼻音及鼻腔阻力检测，探讨此S后鼻腔鼻窦共鸣特性的改变及鼻腔阻力的变化特点。

This indicates that nasality may not be improved immediately alter ESS. On the other hand, some undesirable effects may occur to the voice professionals, such as radio announcers, if the resonance characteristics of the nasal cavity were changed due to the excessive destruction of its normal structure.

若术中过多破坏鼻腔、鼻窦正常结构，使鼻腔、鼻窦的共鸣特性发生了改变，可能对从事语音工作者（如播音员、外语及语言老师）的语音产生影响。

In addition,it is found that the width of the corresponding waveguide of the rectangular cavity has an essential effect on the number of solutions for the resonance condition equation.

结果表明，随着横向尺寸的减小亚波长谐振条件的物理解数量将逐渐增多直至趋于无穷。

First, we deduce theoretical formulae of calculating equivalent dielectric constant and resonance frequency of rectangular microstrip antennas with air gaps from electromagnetic field theory based on the modified theory of cavity model. Then, we discusses the radiant principle of microstrip antennas on the base of transmission line theory and analyzes the problem of air gaps how to influence pattern and other idiocratic parameters of a microstrip antenna in detail.

本论文的主要工作是根据修改的微带天线的腔模理论，利用电磁场理论推导了具有空气隙的矩形微带天线的等效介电常数和谐振频率的理论计算公式，同时以传输线理论为基础，论述了微带天线的辐射原理。

A powerful current of warm breath issued at regular intervals from the profound cavity of his mouth while in rhythmic resonance the loud strong hale reverberations of his formidable heart thundered rumblingly causing the ground, the summit of the lofty tower and the still loftier walls of the cave to vibrate and tremble.

从他那口腔的深窝里，每隔一定时间就吐出一股强烈温暖的气息；而他那颗坚强的心脏总在响亮、有力而健壮地跳动着，产生有节奏的共鸣，像雷一般轰隆轰隆的，使大地、高耸的塔顶，以及更高的洞穴的内壁都为之震颤。

These results are of significance in the application of the metamaterials to sub-wavelength resonance structures and miniaturized cavity resonators.

这意味着即使超常媒质的本构参数无法控制，仍然可以通过调节谐振结构的横向尺寸来得到亚波长谐振腔。

The various harmonics are in resonance in this cavity to differ t degrees.

在口腔中，各种谐音的共鸣程度不同。

It is shown that seismic activities can arouse the earth-ionosphere cavity resonance anomalies from the observation for many years.

多年来的观测研究表明，地震活动可能引发地球-电离层空腔共振异常。

On the basis of knowledge of basic theories of quantum computation computing and quantum algorithm, two kinds of systems which play important role in the experiment of quantum computation was introduced, Nuclear magnetic resonance and cavity atom system.

在对量子计算基本理论和量子算法有一定认识的基础上，进一步介绍了在量子计算实验方面起重要作用的二种体系：核磁共振、腔与原子体系。

The cavity resonance effect on a coaxial virtual cathode oscillator has been investigated in detail.

虽然在理论和实验上已经取得了一定的成果[3—7]，但是还远没有达到像轴向虚阴极

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。