It is a section of the electromagnetic frequency scale, a lode of natural channels used by cellphones.
那不过是手机用到的一段段的电磁波段,一层层的自然频谱。
Overall use of the electromagnetic frequency or speed control, easy operation, performance and stability.
整机采用变频或电磁调速控制,操作方便,性能稳定。
The surface properties, inner cracks of billets and the effect of electromagnetic frequency and intensity on as-cast microstructures were investigated.
研究了铸锭表面质量和内裂纹发生情况,考察了电磁场频率和强度对铸态组织的影响。
Our electromagnetic systems pulse directly in accord with that of the earth, each at a frequency of about 8 Hertz.
我们自身的电磁系统与地球的电磁系统相适应,其频率约为8hz。
IEEE standard for safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 kHz to 300 GHz, IEEE Std C95.1, 2005.
《电机和电子工程师学会人体接触射频电磁场安全水平标准:3千赫至300千兆赫》,IEEEStd C95.1, 2005年。
The clock measures the passage of time in millionths of a second by counting the frequency of electromagnetic waves.
这种钟表通过电磁波的频率来计算时间,单位为百万分之一秒。
They suggest that any alien civilisation worth its salt would alight not on the photons of the electromagnetic spectrum-whether optical or radio-frequency-to send messages to other solar systems.
他们指出,任何有头脑的外星文明都不会发射电磁波谱中的光子——无论是可见光波段还是射频波段——向另一个太阳系传送信息。
To cook food, a microwave oven converts voltage into high-frequency electromagnetic microwaves.
做饭时微波炉将电压转化成高频电磁微波。
WHO has been active in the evaluation of health issues raised by exposure to electromagnetic fields (EMF) in the frequency range from 0 to 300 GHz.
世界卫生组织一贯积极评估暴露于频率从0至300赫兹的电磁场(emr) l产生的健康问题。
Due to the quantization of electromagnetic fields there is an upper frequency limit in the spectrum of any finite energy transmitted by an electromagnetic system.
由于电磁场的量子化效应,电磁系统发射有限能量的电磁场,其频谱必有一高频率上限。
The computation methods of electromagnetism parameters, electromagnetic wave frequency and medium slice thickness in microwave measuring for composite material were analyzed.
分析了复合材料微波检测中电磁参量、电磁波频率和介质薄片厚度的计算方法。
Electromagnetic absorbing materials with high frequency and high loss are required to absorb the noise energy, aiming at restraining the electromagnetic leak induced by high-frequency emission noise.
为了抑制高频发射噪声引起的电磁波泄漏,就需要开发频率高损耗大的电磁波吸收材料,有效地吸收噪声能量。
Based on the multi scattering center theory, the frequency model describing electromagnetic scattering characteristics of target is developed.
首先从目标多散射中心理论出发,推演了描述目标散射特性的频域散射数学模型。
Frequency screen is a new high efficiency machine and has the advantages of electromagnetic vibration, high frequency, high capacity and high screening efficiency.
复频筛是一种新型高效的筛分设备,具有电磁振动、高频率、设备处理能力大、筛分效率高等优点。
The numeric simulation of electromagnetic responses in frequency domain for electrical anisotropic formation is a challenge in current conditions of computer memory and operation speed.
在现有计算机内存和运算速度条件下,电性各向异性地层中频率域电磁响应的数值模拟是一个难点。
Therefore, the data processing and interpretation could not be limited to the mode of ratio resistance, resulting that the frequency electromagnetic sounding has larger flexibility and adaptability.
因此在资料处理与解释中可不局限于比值电阻率的模式,使频率电磁测深具有更大的灵活性与适应性。
Ions and high frequency electromagnetic radiation from the sun are responsible for dislodging the atoms in the exosphere.
离子和来自太阳的高频电磁辐射负责松脱的散逸层中的原子。
Not only the frequency response of electromagnetic parameters of absorbing material must be known in some cases, but also its temperature response.
在某些用途上,不仅需知道吸波材料电磁参数的频率响应,还需了解吸波材料电磁参数的温度响应。
The present paper deals with the definition and algorithm of impedance real part equivalent resistivity in horizontal electric double source frequency electromagnetic sounding.
本文讨论了水平电偶源频率电磁测深中阻抗实部等效电阻率的具体定义和算法。
Objective To study the effects of extremely low frequency electromagnetic field(ELF EMF) and its combination with lead on the antioxidant system in mouse brain and liver tissues.
目的研究极低频电磁场及其与铅的联合作用对小鼠脑和肝脏抗氧化系统的影响。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用,则与所使用的频率有关。
The influence of current leakage from horizontal electric dipole on frequency electromagnetic sounding data was studied in this paper.
研究了频率域电磁测深中水平电偶源漏电对观测数据的影响。
The effect is reduced when the frequency of electromagnetic wave descends.
海浪对场强幅值的影响随着电磁场频率的下降显著地降低。
At present, the far-zone apparent resistivity definition is usually used in the frequency domain electromagnetic methods.
目前在频率域电磁法中常常采用远区视电阻率定义。
The high frequency electromagnetic actuator in use at present was classified as swing electromagnet and directacting electromagnet.
目前成熟应用的主要是电磁驱动式的,分为摆动式和直动式,具有雕刻频率高、雕刻质量好的特点;
The intracrytalline solubility of alloy elements and mechanical properties of 7A60 Al alloy billets cast by low frequency electromagnetic casting were investigated.
研究了低频电磁半连续铸造7A60合金铸锭的合金元素在晶内的固溶状况和力学性能。
This paper briefly discusses the very low frequency (VLF) electromagnetic technique and takes Shancheng gold mine for example.
简要叙述了甚低频电磁法的方法技术,并以山城金矿为例。
Ulcerative colitis; Electromagnetic therapy instrument with low frequency vibration; Efficacy; Safety.
溃疡性结肠炎;低频振动电磁治疗仪;疗效;安全性。
With the application of the high frequency electromagnetic wave, more and more people turned to study the non-destructive testing technology.
随着对高频电磁波理论研究的深入和广泛应用,人们越来越重视对无损检测技术的研究。
With the application of the high frequency electromagnetic wave, more and more people turned to study the non-destructive testing technology.
随着对高频电磁波理论研究的深入和广泛应用,人们越来越重视对无损检测技术的研究。
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