元素的豐度 的英文怎麼說

中文拼音 [yuánsùdefēngdù]
元素的豐度 英文
abundance of elements
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 豐 : Ⅰ形容詞1 （豐富） abundant; plentiful; rich; full 2 （大） great 3 （容貌和姿態美好的） fine look...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 豐度 : abundance ratio
  1. There is an argument to express them in ground level abundance of the respective elements.

    有理由把它們用相應元素的地平豐度來表示。
  2. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  3. The qiongzhong and danxian batholiths, as the largest early mesozoic syntectonic granite intrusions in hainan island, are mainly composed of porphyritic biotite two - feldspars granitoids, in which alkali - feldspar phenocrysts and dark minerals are foliated mostly in we - direction. the granites are of metaluminous i - type. major and trace elements show co - variations with sio2, suggesting the fractional crystallization of plagioclase, hornblende, apatite and ti - fe oxides in the evolution of the granites

    花崗巖的主量元素和部分微量元素成分與sio _ 2呈良好的相關關系，顯示出明顯的斜長石、角閃石、磷灰石和ti - fe氧化物等的分離結晶作用，總體上它們與大陸島弧花崗巖的微量元素豐度和分佈特徵相似，系統地虧損ba 、 nb 、 sr 、 p和ti等元素。
  4. Further research of lithofacies pvove : lode country output points belongs to tidal - flat facies. and the two sides belong to littoral facies - estuarine facies. ore area petrochemistry analyse also prove : intraclast congeries silica rock in basin have higher cu, ag abundance than circumference pena. the prominence inhomogeneity of the cu distribution indicates reconstruct of the late construction

    礦區內巖石化學測量也證明：盆地內發育的內碎屑堆積硅質巖比周圍巖石具有更高的cu 、 ag元素地球化學豐度值， cu元素分佈的顯著不均一性，表明了後期構造的改造作用。
  5. The exact abundances of the three lightest elements are an important test of the so - called standard model of physics ? the list of fundamental particles found so far and the forces that link them

    物理標準模式理論中有一項極為重要的試驗，該試驗檢測的是宇宙空間中3中質量最輕元素的確切豐度，即需要列出到目前所發現的基本粒子與將它們融合起來的各種作用力。
  6. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  7. 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。
  8. Variation of the heavy - element abundances in the he - shell of agb stars

    殼層內重元素豐度的變化
  9. The significance of element abundances of rocks in the study of geochemical blocks

    巖石化學元素豐度在地球化學塊體研究中的意義
  10. The elemental geochemistry characteristics indicate that elements abundance is controlled seriously by grain size of sediment

    元素地球化學特徵表明，元素的豐度受沉積物粒度控制明顯。
  11. The aim of the galaxy chemical evolution research is to reproduce the element abundance patter of stars and gas in the galaxy

    銀河系化學演化研究的任務，從根本來說，是重現銀河系中恆星與氣體的元素豐度分布圖象。
  12. From the characteristic of district geochemistry, we can figure out, cu, ag, pb, zn abnormality main spread along the west branch river set and close to border layer, and the rock chemistry analysis prove, west branch river set have the higher ag chemical element abundance, the cu have the characteristic of asymmetry distribute, and display the migration of element in the late multiphase tectonic activity

    從區域地球化學特徵可以看出， cu 、 ag 、 pb 、 zn等元素異常主要沿西岔河組及相鄰層位分佈，巖石化學測量證明，西岔河組在區域上具有較高的ag元素豐度值， cu元素具不均勻分佈特徵，顯示出元素在後期的構造活動中的活化遷移。
  13. Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars

    計算結果表明，隨著星風吸積過程的進行，在星風質量損失階段系統軌道半長軸將增大，導致軌道周期增大，而偏心率變化不大，由此可以解釋普通紅巨星雙星系統和鋇星系統的軌道根數的分佈規律和變化情況以及鋇星重元素豐度分佈特徵。
  14. Isotope abundances of the elements

    元素的同位素豐度
  15. The average abundance distributions of heavy elements in metal - poor stars can provide fairly direct and detailed information on the nucleosynthesis in every stage after the formation of galaxies. furthermore, it can put more accurate constraints on the chemical evolution of neutron - capture elements. the solution to this problem will have important effect on the solution to a series of problems about nuclear astrophysics and the galactic evolution

    貧金屬星的中子俘獲元素豐度分佈能提供星系形成后各個階段核合成的較為直接和詳細的信息，並為星系化學演化的研究提供更為準確的約束，這一問題的解決將對核天體物理及星系化學演化的一系列問題的解決產生重要影響。
  16. Petrographically and mineralogically similar rocks quite often have different concentrations of radioactive elements.

    巖石學礦物學上類似的巖石，其放射性元素豐度卻往往有所不同。
  17. According to data obtained in recent 15 years, pge abundances in the earth ' s crust, crustal rocks, and sediments are given in this paper

    根據近15年來獲得的大量的有關鉑族元素含量的可靠數據，綜合給出了鉑族元素在地殼、巖石、土壤和沉積物中的豐度。
  18. With the new analytical techniques of platinum - group elements ( pge ) published after 1990 ' s and a huge amount of reliable analytical data of pge accumulated at present, it is found that the data of pge abundances in crust, crustal rocks and sediments published before l980 ' s are not suitable as an evaluating criterion

    摘要隨著20世紀90年代鉑族元素分析測試技術的突破性進展以及大量可靠的巖石和沉積物鉑族元素含量分析數據的積累，引用20世紀80年代前發表的有關鉑族元素的地殼豐度和巖石、沉積物中的平均含量作為衡量標準已不適宜。
  19. Simultaneously, enhancement of the cross section must has had been played an important role in astrophysical nuclear process. we investigate the s - process of nucleosynthesis of heavy element of astrophysics and give a group of analytic solutions for the s - process. to check up the analytic solutions, we calculate the n distributing of the heavy element of s - process in solar system and the result is good agreement with astronomic measurement

    我們研究了天體重元素核合成的s ?過程，給出了s ?過程網路方程的一個解析解，作為對本文解析解的檢驗，我們計算了太陽系的s ?過程重元素豐度的n分佈，計算結果與天文觀測符合的較好；另外，我們還計算了s ?過程的典型分叉點~ （ 85 ） kr處各個核素的豐度變化，與已有的結果符合的較好。
  20. Models of element synthesis during the supernova explosions predict that the abundance ratios of actinides with respect to other stable elements heavier than iron are very sensitive to the environment of the explosion, such as the entropy and the ratios of protons, neutrons and electrons

    模型元素的合成，在超新星爆炸預言的豐度比錒對于其他穩定更重的元素，比鐵很敏感，對環境造成的爆炸，如熵和比例的質子，中子和電子
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