比放射性 的英文怎麼說

中文拼音 [bǐfàngshèxìng]
比放射性 英文
specific activity
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 放 : releaseset freelet go
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 放射性 : [物理學] radioactivity; activity; emissivity
  • 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
  1. Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public

    根據輻射源項的資料（即事故釋放源的資料，包括放射性物質的釋放總量和各種放射性物質的相對比例等數據）及氣象數據，這套系統模擬是次核事故所泄漏的放射性物質在空氣中的擴散情況，及預測市民可能受到的輻射劑量。
  2. Pitchblende and chalcolite are much more radioactive than uranium itself.

    瀝清鈾礦和銅鈾雲母比純鈾的放射性強得多。
  3. Radioactive dating showed the crystals from western australia varied in age from 3. 06billion to 4. 25billion years ， making them almost 1billion years older than the previous oldest - knowndiamonds

    放射性斷代測出來自澳大利亞西部的這種晶體在30 . 6億到42 . 5億年前間發生變化，這比之前已知最古老的鉆石還早10億年左右。
  4. The bacterial bioplastic coating argument is the strongest, as there have been cases in which ancient textiles have yielded radiocarbon dates much younger than other artifacts in the same sites ? most notably in the instance of mummy 1770 in the british museum, whose bones dated 800 to 1, 000 years older, according to the radiocarbon tests, than the textile in which they were wrapped

    細菌性的「原生體覆蓋物」的爭論來得更激烈，已經有案例，就是古代紡織品的放射性碳年代測定比其他同樣大小的史前器物的年代要晚得多? ?最值得注意的例子就是1770年陳列在大英博物館的木乃伊，根據放射性碳年代測定，骨骼的年代為800至1000年之久，它們都被包裹著。
  5. Recycling waste for reuse in a closed cycle might seem like a no - brainer : less raw material is used for the same total power output, and the problem of long - term storage of waste is alleviated because a smaller amount of radioactive material must be stored for many thousands of years

    在封閉式循環中，將核廢料再次循環利用看起來就像是件理應去做的事：用比較少的燃料就可以得到同樣的能量，而且因為得儲放數千年的放射性材料減少了，所以核廢料長期存放的問題也減輕了。
  6. Standard methods of analyzing low specific gamma radioactivity samples by semiconductor gamma spectrometers

    用半導體譜儀分析低比活度放射性樣品的標準方法
  7. While seeral clinical criteria hae been set out to define acute and chronic radiation proctopathy, the team argues that a lack of unified grading scales has made comparison between results difficult

    雖然有幾個臨床標準界定了急性、慢性放射性直腸炎，但研究小組認為對疑難結果的比較尚缺乏統一的分級量表。
  8. With the corrected parameter files, the results indicate that the isotopic abundance in the sample can be determined within 2 % error using a hpge detector system. artificial neural networks ( ann ) are a class of models based on neural computation and have been applied to the measurement of uranium enrichment. the principles of ann methods used in uranium measurement are presented in this paper and the conditions of analysis proceedings are described

    在核保障核查測量中和實物監測中，測量對象往往是規格確定並種類有限的元件或部件，只需要關心測量對象的屬性是否發生了變化，或者對同一種類的放射性樣品的一致性做出判斷，這種要求下使用神經網路方法是比較適宜的，並且神經網路方法是與探測器和探測效率無關的。
  9. The ancestors of modern man moved into and across europe, ousting the neanderthals, faster than previously thought, a new analysis of radiocarbon data shows

    用放射性碳測定年代的一項最新數據顯示，現代人祖先進入歐洲並逐漸取代尼安德特人的過程要比傳統理論認為的更快。
  10. In a radius of 30 kilometers, there are no human settlements ? just forests that have begun reclaiming fields and towns, home to birds, deer, wild boar and moose

    書中浮現一個未來，類似俄羅斯1986年車諾比爾核子反應爐爆炸，噴出放射性蒸汽雲層，在半徑30公里內，不見人煙，只有森林正開始重回田野和鄉鎮，成為鳥、鹿、野豬和麋鹿的棲息地。
  11. Compared with the destructive assay ( da ), nda has some obvious advantages : it is easy to make measurement automatically without sampling and changing the physical and chemical state of nuclear material, low cost, less operator exposure of radiation, much faster than chemical analysis and no hazards and wastes generated

    與化學分析即破壞性分析（ da ： destructiveanalysis ）相比， nda分析具有不破壞樣品、容易實現自動化、快速、簡便、費用低廉和不產生放射性廢物等優點。 nda核標準樣品的制備既費錢又費時。
  12. Standard test methods for determining the biobased content of natural range materials using radiocarbon and isotope ratio mass spectrometry analysis

    使用放射性碳和同位素比率質譜分析法測定天然材料中生物基含量的標準試驗方法
  13. Exact dates for sites can be calculated and the method is more accurate than radiometric dating techniques

    用這種方法測量出的精確度要比放射性技術的高。
  14. The 67 tests conducted in the northern marshalls between 1946 and 1958 released radioactive iodine said to be 150 times worse than the contamination from the nuclear disaster at chernobyl in 1986

    1946年到1958年，在馬紹爾群島北部進行了67次核試驗，釋放出的放射性碘造成的污染據說比1986年切爾諾貝利核災難帶來的污染嚴重150倍。
  15. Compared with those for yucca mountain, the wastes at wipp are not as “ hot ” : a much smaller amount of radioactivity will ultimately be stored there, greatly reducing the possibility of thermal problems

    跟亞卡山相比， wipp要掩埋的廢棄物並沒有這麼熱；那裡最終只會掩埋少量的放射性物質，大大減少了因熱產生問題的可能性。
  16. The predication technical methods consist of experience - analogy, geochemical techniques ( e. g. geo - gas method and partial extraction of mobile forms ), geophysical techniques ( e. g. radioactivity survey, ground electromagnetism, earthquake technique, hole geophysical survey ), remote sensing, gis, and comprehensive information prognosis methods

    預測技術方法有經驗類比法，地球化學方法（如地氣法、活動態偏提取技術） ，地球物理方法（如放射性測量、地面電磁法、地震法和井中物探） ，以及遙感技術、 gis技術和綜合信息礦產預測方法等。
  17. Assessment of myocardial viability with dobutamine stress echocardiography versus 201ti single photon emission computed tomography

    多巴酚丁胺超聲心動圖負荷試驗與放射性核素心肌灌注顯像對心肌存活性的對比研究
  18. In order to verify the natural radioactivity level, of tin polymetallic ore in southeast yunnan, and find out radioactive pollution in mining, dressing and smelting processes, 10 tin ores in this area were chosen to measure radionuclides ' specific activity in each kind of tin polymetallic ore, undressed ore, ore concentrate, debris and smelting slag

    摘要為查明滇東南錫多金屬礦天然放射性水平，了解錫礦采、選、冶過程中的放射性污染，選擇了該區10個錫礦山，測量了各類錫多金屬礦原礦、精礦、尾礦及冶煉爐渣放射性核素比活度。
  19. Scientists already know the ages of the mare flows at the apollo sites from analyzing the radioisotopes in the rock samples, so they can estimate the ages of other flows by comparing their crater densities with those of the landing - site flows

    科學家分析巖石樣本中的放射性同位素，已經知道阿波羅登陸點的月海巖流年齡；因此將其他巖流的隕石坑密度與登陸點巖流的隕石坑密度相比，科學家便能估計其他巖流的年代。
  20. The relative merits between " degradable " and " non - degradable " radiolabeled pyrimidine analogues have been compared in this paper

    本文比較可分解及不可分解放射性標幟嘧啶核苷酸之個別優點。
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