本底 的英文怎麼說

中文拼音 [běnde]
本底 英文
[物理學]background
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 底 : 底助詞（用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」）
  1. At the surface, radioactivity of the conglomerates is locally as high as 30 x background.

    在地表，礫巖的局部地段的放射性高達30倍本底值。
  2. The background count of the detector is 4～6 counts 1 min.

    探測器的本底計數率為46脈沖1分。
  3. Our hot balloons is driven by common fuel without any gas, as same as other normal hot balloons, it is lifted by flotage of hot air and direction controlled by gasoline motor, remote operation, safe, low risk, no ground people required leading to very low cost

    本廠生產的動力熱氣球，是用普通熱氣球燃料，不加任何氣體，和普通的熱氣球一樣，是靠熱氣的浮力上升的，汽油機控制方向和升降，遙控操作，安全，風險小，無須地面人員，飛行成本底。
  4. And less background gas is incorporated in the deposited film.

    而只有較少的本底氣體引進于射薄膜中。
  5. Collecting a large number of atmosphere, soil and irrigation water, using the method of monomial and composite pollution exponent, the general situation of grain early warning is studied and a grain early warning system is built

    本文從糧食生產過程中的大氣、土壤及農田灌溉水出發，運用單項污染指數與綜合污染指數相結合的評價方法進行糧食生產的預警研究，構建了糧食本底安全預警系統。
  6. The result analysis on the background investigation of biological vector at manyhai and zhangfeng ports in yunnan province

    雲南芒海和章鳳口岸媒介生物本底調查結果分析
  7. The experiment system for studying the interaction of high intensity ultrashort pulse laser with solid targets, the facilities and methods for measuring ultrafast hard x - ray have been built

    首先建立了用於測量激光等離子體產生的超快硬x射線的、基於低本底hpge譜儀的單光子測量方法和設備。
  8. 1 harmonic distortion at low amplitudes is limited by a

    1低頻諧波失真受- 70dbm本底限制
  9. Many instruments are equipped to carry out this background correction on an automatic basis.

    許多儀器已經裝備了這種自動本底校正器。
  10. A survey on the insect vectors in shaoguan city

    廣東省韶關市區媒介生物本底調查
  11. The investigating report of mosquitoes at taizhou port

    九江口岸媒介生物本底調查報告
  12. Background air pollution monitoring network

    氣象組織本底空氣污染監測網
  13. The investigation report on mosquitoes background at xiamen port

    廈門口岸蚊類本底調查報告
  14. Background air pollution monitoring network bapmon

    本底空氣污染監測網
  15. The background count of the detector is 4 6 counts 1 min

    探測器的本底計數率為4 6脈沖1分。
  16. The investigation report on mosquito ' s backgroud at liuting airport

    青島流亭機場蚊類本底調查報告
  17. The sources, background value, environmental geochemistry features of fluorine, and its biological effects on animals, plants and human beings were reviewed

    闡述了環境中氟污染的來源、本底值和氟的主要環境地球化學特徵及氟對植物、動物和人機體的生物效應。
  18. 3 for example, if ambient gamma radiation is the only factor contributing to the radiation dose to a person, this dose of 5000 microsieverts may be reached when the ambient gamma dose rate is 1000 microsieverts per hour more than 3000 times above background and lasts for 5 hours ; or when the dose rate is 200 microsieverts per hour more than 600 times above background and lasts for 25 hours

    3 .例如，假若環境伽瑪劑量率持續高達每小時1000微希沃特超過本底值3000倍，則在5小時內，因為環境伽瑪輻射所引致的總劑量便可能達到上述的5000微希沃特。若環境伽瑪劑量率每小時200微希沃特超過本底值600倍，則個人須持續受此輻射影響25小時，所受的總劑量方可達到上述5000微希沃特。
  19. The the room volume is 1512 m3, bottom acoustic noise is lower than 18db, and the testing system is from b k company of danmark

    消聲室容積1512立方米，本底噪聲低於18分貝，採用丹麥b k公司的檢測儀器。
  20. 2 ) its landscape pattern is complex and the patches of different styles have different spatial distribution styles. some is assemble and some is dispersed

    花港觀魚綠地景觀格局復雜多樣，其本底為非鄰水平地疏林斑塊類型。
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