重核素 的英文怎麼說

中文拼音 [zhònghésù]
重核素 英文
heavy isotope
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 核 : 核構詞成分。
  • 素 : Ⅰ形容詞1 （本色; 白色） white 2 （顏色單純） plain; simple; quiet 3 （本來的; 原有的） native Ⅱ名...
  1. The obvious overabundances of heavy - element are observed in ba stars. however, the luminosity of ba stars is too low to reach agb stage, and the nuclear 99tc have not observed in ba stars

    鋇星的重元素是過豐的，但其光度太低，認為還未演化到agb階段，而且並沒有觀測到~ （ 99 ） tc核素。
  2. In general, ba stars belong to binary system, and their heavy - element overabundances are due to the accreting material from the companions ( the former tp - agb stars and the present white dwarfs ). carrying out a series of monte - carlo simulations, the changes of orbital elements of binaries are recalculated for wind accretion scenario of the total angular momentum conservation

    研究表明，鋇星應該屬于雙星系統，其重元素超豐來自雙星吸積，它的伴星已經經歷了s -過程核合成，而且由在以前發生的同其伴星（以前是agb星，現已演化為白矮星）的質量傳輸過程中，從伴星那裡獲得了富含重元素的物質，這樣造成了鋇星的重元素超豐。
  3. Their shells, which apart from hydrogen, helium, and carbon also contain portions of the heavy elements formed in the stellar core, are inherently unstable, and their pulsing creates a withering stellar wind a billion times stronger than the solar wind we know today

    它的殼層除了氫層、氦曾和碳層外還有包含一部分產生自恆星核心的重元素，天生的不穩定，它們的脈動產生了一種毀滅性的星風，比我們現在知道的太陽風要強數百萬倍。
  4. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows ： ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上，重點討論高放廢物地質處置的若干關鍵科學問題：處置庫場址地質演化的精確預測、深部地質環境特徵、多場耦合條件下（中（高）溫、地殼應力、水力作用、化學作用、生物作用和輻射作用等）深部巖體、地下水和工程材料的行為、低濃度超鈾放射性核素的地球化學行為與隨地下水遷移行為及處置系統的安全評價。
  5. Evaluation of the relationship between left cardiac function and left ventricular remodeling in patients with myocardial infarction by gated cardiac blood pool imaging

    放射性核素顯像評價心肌梗死左心功能及其與左心室重構的關系
  6. Moreover, we compute the change against neutron irradiation of heavy element abundance in typical branching point 85kr of s - process and result is good agreement with the former too

    重元素的核合成中最重要的因素之一是中子源問題，穩定的中子源是重元素的核合成必要保證。
  7. The prediction of the concentration of radioactive nuclides is the basis and premise of emergency action and radioprotection

    放射性核素濃度的確定是放射性事故搶險救援和輻射防護等工作的基礎和前提，是放射性事故應急救援的重要組成部分。
  8. Correlation between radionuclide pulmonary perfusion imaging and lung biopsy in severe pulmonary hypertension caused by congenital heart defects in young children

    小兒先心病重度肺高壓的核素肺灌注顯像與肺活檢對比研究
  9. Moreover, heat energy generated during decay of heavy elements like uranium at the centre of the earth triggers tectonic movement

    還有，地球核心內如鈾等的重元素在衰變時產生熱能，驅動地殼板塊運動。
  10. A survey of literature shows that little study has been done on uptake of pollutants by plants from the polygonaceae, and that the reports about their physiological and biochemical characteristics under heavy metal stress were sporadically seen. a batch of sand culture and soil culture experiments were carried out to investigate heavy metal and radiocesium uptak e and accumulation by rumex acetosa linn, polygonum microcephalum d. don, and rumex hastatus d. don widely distributed on copper mining areas, and their physiological and biochemical characteristics under cu zn stress, as well their potentials in application to phytoremediation

    本論文以廣泛生長于銅礦區的蓼科植物酸模、小頭蓼和戟葉酸模為試驗材料，運用砂培、土培等方法，研究它們對重金屬（ cu 、 zn ）以及放射性核素（ ~ （ 134 ） cs ）的吸收和積累特性以及cu 、 zn脅迫條件下它們的生理生化特徵，初步探討它們在無機污染物污染土壤植物修復中的應用潛力。
  11. The simulation result shows that vadose zone can rigorously retard those nuclides with vigorous adsorbility, i. e. the bigger the nuclide decay coefficient is, the more the nuclide is retarded in vadose zone and the less the nuclide concentration in aquifer is, and that the distribution coefficient directive affects the form of the nuclide concentration curve in an aquifer

    數值模擬結果表明：包氣帶對于吸附性較強的核素具有很大的阻滯作用，對于低分配系數的核素阻滯作用較弱；衰變系數對含水層中核素的遷移起到了重要作用，隨著衰變系數的增大，地下含水層中的核素體積濃度逐漸降低，並且分配系數的大小直接影響著核素在含水層中體積濃度分佈曲線的形狀。
  12. So it is important to study the nuclide transportation in the groundwater, however this study is a difficult problem because the fracture distribution in bedrock is complex in nature

    因此，研究核素在基巖裂隙水中的遷移問題，具有重要的意義，但由於自然界中基巖裂隙分佈的復雜性，因此它又是一個難度比較大的問題。
  13. Synthesis and characterization of rare earth tb3 - trimesic acid fluorescence complexes

    過程核合成的場所和重元素豐度的離散
  14. It is very significant for ba stars to heavy - element nucleosfynthesis and galactic chemical evolution

    鋇星對于重元素核合成及星系化學演化的研究都有非常重要的意義。
  15. In this dissertation, the theory of radiative capture reaction and the s - process of nucleosynthesis of heavy element of astrophysics have been investigated

    本文研究了輻射俘獲反應理論和天體重元素核合成的s ?過程。
  16. A new method of calculating the concentration distribution of radio - nuclides was proposed, in which the effect of gravity settlement, rain washing and the decay of the radioactive species re considered

    利用傾斜煙團模式，考慮實際過程中核素粒子的重力沉降、雨洗作用以及放射性衰變等因素的影響，提出一種迅速估算放射性核素擴散濃度的方法。
  17. The hall - life measurement of long - lived radio isotopes, cross section measurement of nuclear reaction, searching for super heavy elements, cosmic study and solar neutrino detection are the main components which have been discussed

    包括放射性核素半衰期的測定、核反應截面的測量、超重元素的尋找、宇宙射線和太陽中微子性質等方面的研究工作。
  18. Surprisingly for astronomers and nuclear physicists, the abundance ratios of thorium to other heavy elements are very similar to ratios found for milky way stars

    出乎意料的天文學家和核物理學家豐比率釷等重元素非常相似比率發現銀河系恆星
  19. There are three difficulties and key problems in this papaer : : the first problem is what is the dominance bearing of the leakage fractures, and how the bedrock fracture water distribute, the second is how to test the complex chemical behavior in experiment way and quantify the relative parameters, the last question is how to number the transportation of the element 90sr and its pollution to solve the three problems, this paper does lots of work and come to the prospective order, the creativities in this thesis as follow : ( 1 ) the dominance bearing of the leakage fractures and the distribution feature of the fracture water are ascertained based on rich geological data, these basal researches are very important, which are the premises to build the transport model of the fracture water in hae field

    本項研究工作的難點和關鍵問題有三個： hae處置場基巖裂隙系統中，導水裂隙的優勢方位是什麼，基巖裂隙水活躍帶分佈情況如何；怎麼對核素遷移的復雜化學行為進行實驗室測試並取得有關定量化參數；怎樣數值化表現出溶質的遷移行為和污染情況本論文在解決以上三個問題上做了大量的工作，達到了預期的目的，其創新之處有以下三點： （ 1 ）通過地質資料的分析，首次提出了hae預選處置場基巖裂隙導水的優勢方位和基巖裂隙水活躍帶的大致分佈特徵。它是一個很重要的基礎性研究成果，是建立hae處置場水運動模型的前提。
  20. Study of nuclide transport is an important subject in deep geological disposal system of high - level radioactive waste

    摘要高放廢物地質處置系統核素遷移研究是高放廢物安全處理和處置的重要內容。
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