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cavity相关的网络例句

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与 cavity 相关的网络例句 [注:此内容来源于网络,仅供参考]

On the base of introduction of circular cavity eigenfield and its reflection coefficient,the self-consistent field description of whispering-gallery mode in circular cavity is discussed.

在引进圆腔特征场及其反射系数的概念基础上,讨论了圆腔回音壁模的自洽场描述。

For the multi-layer absorber composed of perforated plate, composed of perforated plate and cavity, composed of perforated plate, porous absorption material and cavity, the absorption coefficient is theoretically calculated.

论文回顾了主动消声、吸声降噪的发展历史与现状,阐述了主动吸声降噪有待解决的关键技术问题,提出了论文的主攻目标和研究内容。

Plain scanning of intestinal wall was performed. CT values, contrast coefficient of enteric cavity and intestinal wall density, and difference in enteric cavity and intestinal wall density were measured 20 s, 30 s, 40 s, and 50 s after enhancement scanning.

同时测量平扫、增强后20 s、30 s、40 s、50 s 时肠壁的CT值,测量计算肠腔与肠壁对比程度最好时,肠腔与肠壁密度的CT值差值范围。

Approximate form ula on the output cavity coupling coefficient of the MBK was driven,using metho d of the normal mode analysis for a pillbox output cavity.

对柱型输出腔,利用正交模分析的方法导出了输出腔耦合系数的近似式,对多束速调管的频宽特性进行了初步分析。

The influence on absorption coefficient brought from shape choice with cylindrical or cone-shaped cavity, square or hexagonal profile, from different closure as air or water, from different material properties and structure sizes, are analyzed based on the numerical calculations. Some general characteristics are summarized. It shows that lowest resonance frequency of sound absorbent coefficient is inversely proportional to volume of cavity and sound absorbent coefficient is proportional to perforated percentage.

2通过数值方法研究了吸声结构内腔为圆柱腔和圆锥腔、基材的剖面形状为正四边形和正六边形、不同背衬、基材材料特性、尺寸大小对整体吸声效果的影响,总结了这些情况下非旋转对称吸声结构的声学特性变化规律,得出腔体体积越大,吸声系数最低共振频率越低;穿孔率越大,吸声系数越大的结论。

By the optimization of the cavity parameters, the resonator is thermal insensitive, which controlled the astigmatism existing in the folded cavity.

通过优化谐振腔参数,使谐振腔具有热透镜不敏性,有效地控制了折叠腔具有的像散。

Because of pre-operative CT showed that the vascular老柴true false cavity resonator has been very flat extrusion, from easier access to reach the real cavity.

因为术前CT显示,老柴的血管真腔已经被假腔挤压的非常扁,由上进入更容易到达真腔。

Energy exchange efficiency of clustering electron beams passing through a cylindrical coaxial TM812 mode cavity resonator is studied,as well as the extraction method of microwave energy from the cavity resonator.

研究了群聚电子注穿越同轴TM812模谐振腔的换能效率和同轴TM812模谐振腔中微波能量的提取方法,论证了其作为毫米波多注速调管的输出腔的可行性。

The lock in effect and threshold expressions caused by backscattering from cavity mirrors in a passive resonator gyroscopy are derived based on the resonance characteristics of cavity .

从谐振腔的谐振特性出发,严格地推导出无源谐振腔激光陀螺中由腔镜背散射引起的闭锁效应关系式及闭锁阈值表达式。

The principle of the optical differentiator is that when the silicon-based annular cavity resonator meets or is close to a critical coupling state, the spectra characteristic of the silicon-based annular cavity resonator is quite similar to the differentiator within certain range with the resonant wavelength as the center.

本发明的原理是当硅基环形谐振腔满足或接近临界耦合状态时,其在谐振波长为中心的一定范围内的频谱特性是微分器的很好的近似。

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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础,研究二值图像的形态分析算法,探讨最小结构元素的两种基本形态:膨胀和腐蚀;分析了数学形态学复杂算法的基本原理,把数学形态学的部分并行处理理念引入到家实际应用中。

Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.

有一个良好的政策环境,房地产,二级和三级市场的发展更加迅速改善。