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- Van Allen belts of radiation 范艾伦辐射带
- For this reason, extreme radiation hardness and high power/weight ratio solar cells, which can work properly in van Allen belts, must be developed. 因此,为了能使通信卫星在van Allen辐射带正常工作,必须要有一种强抗辐射并且具有较高重量比功率的太阳电池。
- The Van Allen belts are composed of charged particles trapped by the earth's magnetic field. 范阿伦带由地球磁场俘获的带电粒子所组成。
- However,on February 21,1963,Telstar I suffered damage caused by the newly discovered Van Allen belts. 然而;1963年2月21日通讯卫星1号被新发现的范艾伦辐射带损害.
- In the lower Van Allen Belt, the proton intensity is about 20,000 particles with energy above 30 MeV per second per square centimeter. 在较低的范爱伦带,质子密度是每秒每平方厘米大约20,000个能量在30兆电子伏以上的粒子。
- These devices are used in satellites that orbit the Earth within the Van Allen Radiation Belts and must be able to work in a continuous low-radiation environment. 这些装置用于在“范·艾伦辐射带”内沿一定轨道绕地球运行的卫星上,它们必须能在持续低辐射的环境中正常工作。
- Of all the discoveries of the outer atmosphere made possible by rockets and satellites ,few equal in lmportance the revelation of the high radiation belts by Van Allen in 1958. 译为:在所有借助火箭和卫星才能获得的对外层大气的发现中,在重要性方面很少能与范艾伦1958年发现高层辐射带相比。
- The Van Allen radiation belts that encircle our planet were temporarily eliminated, and huge numbers of protons and electrons were dumped into the upper atmosphere. 环绕地球的范艾伦辐射带暂时消失,大量质子与电子被灌入高层大气。
- Of all the discoveries of the outer atmosphere made possible by rockets and satellites, few equal in importance the revelation of the high radiation belt by Van Allen in 1958. 在使用火箭和卫星对外层大气取得全部发现中几乎没有什么发现在重要性方面能与Van Allen在1958年发现的高空辐射带相提并论。
- A belt of trees grew between the two fields. 两块田之间有一条树木带。
- There is a belt of trees between the two fields. 那两块地之间有一片狭长树林。
- Van Allen belts 范艾伦带
- In the accident, the workers received a heavy dose of radiation. 在这次事故中,工人受到大剂量的辐射。
- Jovian Van Allen belts 木星范艾伦带
- The body cannot tolerate such large amounts of radiation. 身体经不住那么大剂量的放射线。
- Van Allen beltn. 〈气〉范艾伦辐射带
- Two different techniques of radiation were used. 人们采用两种不同的照射技术。
- Most people are scared of radiation. 一般人对辐射都存有恐惧。
- A belt of trees encircled the field. 一条林带把田围住。
- Frontiers of radiation therapy and oncology. 放射治疗和肿瘤学新领域。