电磁波

As a diagnostic means, the choice of wavelength is limited, and the sub-millimeter wave ranging from 0.1 mm to 1 mm fits for the requirement of plasma density measurement in tokamaks.

作为托卡马克诊断手段，电磁波波长的选择受到一定限制，波长范围为0.1-1mm的远红外波段符合密度测量的要求。

In this experiment TDR is used to measure Ts/Ta value of oven-dried soils with different texture and bulk density.

壤含水量与电磁波在插入土壤的时域反射仪探针中传播时间的半理论、半经验标定曲线θv＝(T/Ta－Ts/Ta )/(K0.5w－1)通常用于计算土壤含水量。

The SERR Relief gown with Turndown Collar has wide frequency protective ranges and its efficiency comes up to 99%.

可有效屏蔽电磁波对人体内脏器官、白细胞血流量及免疫功能的侵害和损伤。

The methods, given in this dissertation, and the applied results in seismical prospecting and electromagnetic wave log synthetically overcome the defects of ordinary generalized pulse-spectrum technique to some extent, and have some theoretical significance and practical value.

本文所给出的反演方法及针对地震勘探和电磁波测井的应用性成果，在一定程度上综合克服了传统广义脉冲谱方法的不足，具有一定的理论意义和实用价值。

Based on the resonance characteristics of the back scatt ering RCS in frequency domain and the transient waveform of the back scattered e lectric field in time domain, a reconstruction scheme for recovering the transve rse permittivity and conductivity for an anisotropic plate is proposed.

根据各向异性介质板后向散射与入射电磁波极化方向有关的特点，利用其后向RCS的谐振特性和后向散射场的时域波形特点反演有耗介质板的横向介电系数和电导率。

Because of the filtering property suggested, two-dimensional periodic screens which were named the frequency selective surfaces have attracted a great deal of attention for many years and have been found various applications, such as band-pass radomes, reflectors of antenna system, polarizers and so on.

「频率选择表面」是由一群在空间中呈周期性排列的金属所组成的二维阵列。由於其滤波的特性，多年来，吸引了大量研究工作的投入。研究中发现，频率选择平面在电磁波的许多频段中，具有广泛的应用。例如在微波中可用於雷达或天线系统，在红外光的频段中则可用於极化器或提升分子雷射的效率。

Using finite-element method the effects of long objects, such as cage, train and metal pit prop, on electromagnetic wave cutoff frequency is researched systematically in regular tunnels, and it is shown that the long metal objects lower TE wave cutoff frequency and raise TM wave cutoff frequency.

利用有限元方法系统地研究了机车、罐笼、金属支护立柱等长列金属物体对井下规则隧道中电磁波截止频率的影响，可知长列金属物体的存在使TE波模截止频率降低，而使TM波模截止频率升高。

Under the influence of geography, plant,building and moving objects, electromagnetic wave will reflect, diffract, scatter, andcause signal multipath time delay and Doppler frequency spread, make the quality ofcommunication bad.

但电波因受到地形、植被、建筑物及移动物体等因素的影响会引发反射、衍射、散射等现象，产生电磁波信号的时延扩散和多径衰落效应，影响通信质量。

Professionals engaged in various Color Picture Tube sockets, power outlet, headphone jack, precision connectors, switches, terminal blocks, electromagnetic shielding materials, thermal materials and other products in development, production and sales.

专业从事各种彩色显像管插座、电源插座、耳机插座、精密接插件、开关、端子座、电磁波屏蔽材料、热缩材料等产品的研制、生产和销售。

In order to solve the problem,an exponential expression similar to that of the electromagnetic wave propagation loss is used to describe change of observation weight with distance,and the standard statistics retrieval algorithm is used to test the effect of retrieval speed and precision caused by different observation weight.

赵小峰 解放军理工大学气象学院，南京 211101提出采用一种与电磁波传播损耗相类似的指数衰减形式来描绘观测值权重随距离的变化，结合标准的统计反演算法来测试不同的观测值权值对反演速度与精度的影响。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新