
[物] 電磁輻射
Her hypothesis concerns the role of electromagnetic radiation.
她的假說涉及到電磁輻射的作用。
Improve your sleep and health by reducing your exposure to harmful electromagnetic radiation.
減少暴露在有害電磁輻射下來改善你的睡眠和健康。
Application of high throughout techniques to analyzing gene and protein expression will facilitate research on the biological effect and mechanism of electromagnetic radiation on the molecular level.
高通量基因和蛋白表達分析技術的應用,将為電磁輻射生物學效應及其機制研究提供分子水平的依據和線索。
An new way to study protection from electromagnetic radiation based on the analysis of hazard identification, hazard evaluation and hazard control actions is presented.
通過對其危害辯識、危險評價和危險控制措施進行分析,為電磁輻射防護提供了一種新的研究方法。
This makes them ideal for long-distance travel, as neutrinos are undisturbed by gas, dust and other matter that can block radio waves and other types of electromagnetic radiation.
這使中微子成為遠距離傳輸的理想介質,因為它們不會受氣體、塵埃和其他能夠阻礙無線電波及其他電磁輻射的物質的幹擾。
Have good anti-interference function of electromagnetic radiation.
具有良好的防電磁輻射幹擾功能;
Relieve-shot, a kind of effective measure, can release elasticity and reduce impact danger, whose effect can be tested through electromagnetic radiation.
卸壓爆破作為一種有效釋放彈性能、降低沖擊危險的措施,其效果可以通過電磁輻射來檢驗。
Microwaves are a form of electromagnetic radiation that is very similar to sunlight and radio waves.
微波也是一種電磁輻射,這與陽光和無線電波都是非常相似的。
From the electromagnetic radiation, you can clearly determine direction.
從電磁輻射中,你可以清楚地決定研究方向。
A study was conducted to investigate information leakage caused by the aperture video electromagnetic radiation from a multi_conductor connector.
對視頻脈沖信號經由多導體連接器孔隙電磁輻射引起的信息洩漏效應進行研究。
Water, like other substances, can absorb certain wavelengths of electromagnetic radiation and then emit it at a different wavelength, a process known as fluorescence.
利用熒光性測試水質的工作原理是:水能吸收一定波長的電磁輻射并以不同的波長将輻射發射出去。
The spinar is a gigantic machine converting gravitational binding energy into electromagnetic radiation by means of rotation.
旋轉體是一架通過自轉把引力束縛能轉換為電磁輻射的巨大機器。
A new method of measurement on near field electromagnetic radiation of printed circuit boards is described with the basic principle of its operation discussed.
文中主要闡述了一種測量印刷電路闆近場電磁輻射的新方法,讨論了此種方法的基本工作原理。
Applying electromagnetic radiation and carry through omen information recognition study in Huafeng Mine.
對華豐礦采用電磁輻射與鑽屑法進行前兆信息識别研究;
Havas teaches a course on the biological impact of electromagnetic radiation and radio frequencies – the only one of its kind in Canada.
哈瓦斯教授課程的生物影響的電磁輻射和無線電頻率-唯一的一種在加拿大。
That fission produces a ton of energy in the form of both kinetic energy and electromagnetic radiation.
裂變過程産生巨大的能量,能量會以動能和電磁輻射能的形式釋放出來。
Because these different forms of electromagnetic radiation - on this simplistic level- are fundamentally so similar, they are today commonly viewed as composing a single spectrum.
因為這些各異的電磁輻射在“簡單”層面上,即本質上是如此相似,所以如今把它們視為一個光譜中的組成部分。
It proves, with data, the point that electromagnetic radiation changes soybeans' capability to absorb trace elements from earth.
用實驗數據證明了電磁輻射将改變大豆從土壤中獲得微量元素的能力。
The effect of electromagnetic radiation, the composition and application of electromagnetic shield coatings were discussed.
綜述了電磁輻射引起的影響及能屏蔽電磁輻射塗料的組成與應用。
Their scheme starts from the observation that rain can make it harder for certain sorts of electromagnetic radiation to travel through the atmosphere.
他們提出的新方式起始于一種觀測—當某些特定的電磁輻射穿越大氣層時,下雨會增加穿透的難度。
Normally, that would mean it was lost. But interaction with the nanoparticles turns it into a form of electromagnetic radiation called surface plasmons.
通常意味着它會消耗殆盡,但和金屬納米粒相互作用使它變成一種叫做表面等離子體的電磁輻射結構。
This instrument can not only measure the magnetic fields precisely, but also achieve networked remote supervisor to electromagnetic radiation of wireless communication base stations.
該儀器不但可進行磁場的精密測量,還可用于對無線通訊基站電磁輻射的網絡化遠程監測。
The material's internal structure absorbs almost all the electromagnetic radiation in a particular range, New Scientist reports.
這種材料的内部結構幾乎能吸收在特定範圍内的所有電磁輻射,《新科學人》報道。
Electromagnetic radiation where the frequencies coincide with the resonant frequencies of the organism may stimulate energy which suppresses development of micro organisms and thereby reduces illness.
與生物體共振頻率一緻的電磁輻射,激發一種抑制微生物生長的能量,從而降低疾病的發生機率。
電磁輻射(Electromagnetic Radiation)是指由振蕩的電場和磁場相互耦合形成的能量傳播形式,以波動的形式在空間或介質中傳輸能量,其傳播不需要依賴物質介質。該現象遵循麥克斯韋方程組描述的基本規律,傳播速度為真空中的光速(約3×10⁸ m/s),滿足公式:
$$ c = frac{1}{sqrt{mu_0 varepsilon_0}} $$
其中$mu_0$為真空磁導率,$varepsilon_0$為真空介電常數。
根據頻率和波長差異,電磁輻射可分為無線電波、微波、紅外線、可見光、紫外線、X射線和伽馬射線等類型(美國國家标準與技術研究院。在工程應用中,無線電波被用于通信系統(如5G基站),X射線則應用于醫療影像設備(IEEE電磁波應用白皮書。
自然界中的電磁輻射源包括太陽黑子活動和雷電現象,而人造輻射源涵蓋從家用微波爐到衛星通信設備等各類電子裝置(世界衛生組織電磁場研究項目。電磁輻射的能量與頻率成正比,由普朗克公式$E=h u$決定,其中$h$為普朗克常數,$ u$為輻射頻率。
電磁輻射(Electromagnetic Radiation)是指由電場和磁場相互作用形成的波動能量在空間中的傳播。以下是其詳細解釋:
電磁輻射由振動的電場和磁場組成,二者相互垂直并以光速(約3×10⁸ m/s)在真空中傳播。它不需要介質即可傳播,屬于橫波形式。
按波長或頻率從低到高分為:
手機信號依賴微波段的電磁輻射傳輸數據,而太陽光本質是可見光段的電磁輻射,兩者均遵循麥克斯韋方程組描述的電磁理論。
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