heavy element 中文意思是什麼

heavy element 解釋
重元素
  • heavy : adj (馬)患哮喘病的。adj 1 重的 (opp light) 有重量的;重型的;裝備重型武器的。2 大的;大量的,...
  • element : n 1 要素;成分;(構成)部分;分子。2 【化學】元素;【數學】元,素;【機械工程】單元;單體;【無...
  1. Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically

    本論文運用mcdf方法,通過系統考慮電子相關效應和馳豫效應,分別研究了cs離子的4d內殼層激發態衰變動力學特性,超重元素bh ( z = 107 )的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。
  2. A finite element analysis of 3d eddy current field for heavy current bus bar bridge system

    大電流母線橋三維渦流場的有限元分析
  3. This is an indigenous species which is a not very conspicuous element of old pastures, especially on heavy land.

    這是一種本地草種,在老草場中,特別是在粘性土地上,不甚引人注目。
  4. 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。
  5. 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。
  6. Variation of the heavy - element abundances in the he - shell of agb stars

    殼層內重元素豐度的變化
  7. 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。
  8. 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。
  9. Through the experiment research on practical damaged element, considering the effect of durability damage of steel corrosion and crack on structural element function. for the maintainment and transform plans " selection and prevention of heavy accidents the paper put forward abundant basis. it ' s perfection and development will provide basis for scientific management of active structure

    分析可知:鋼筋銹蝕是造成結構承載力下降的根本原因,同時也找出鋼筋混凝土結構耐久性影響的因素,為合理選擇大修改造方案,防止重大事故等方面提供充分依據,它的完善和發展將為現役結構的科學管理提供依據。
  10. The contents of rare - earth element in coals are correlative to the contents of the ash of these coals, with a few of coal samples showing exceptional high contents of rare - earth element due to the presence of the heavy mineral assemblages

    煤的稀土元素質量分數與灰分質量分數呈正相關關系,部分煤樣品由於有富稀土元素的重礦物組合的存在而出現稀土元素的異常高值。
  11. In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang

    為了弄清這次暴雨過程各氣象要素場的演變情況,分三方面對暴雨的水汽條件(使用了溫度露點差、相對濕度、水汽通量和水汽通量散度) 、動力條件(使用了散度、渦度和垂直速度)和垂直層結條件(使用了位溫、靜力穩定度和潛在不穩定度以及沈陽單站的8個物理量的垂直廓線)等的變化,分別進行了診斷分析。
  12. The importance of the study of the super - heavy element is shown in experimental and the theoretical

    對于重元素的研究有著實驗和理論兩方面的重要性。
  13. 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。
  14. 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。
  15. The integrated study of heavy mineral, palaeocurrent direction, and sedimentary facies distribution has disclosed that the detritus are derived chiefly from the southeast and east - northeast during the deposition of the yanchang formation in the late triassic. the variations in the palaeocurrent directions have consequences for the development and distribution of the sequence stratigraphy and sedimentary facies of the yanchang formation. the major and trace element analyses of the mudstones from the yanchang formation also show that the lake waters would be freshened to brackish

    初次通過泥巖常、微量元素測試資料和沉積學分析得出,延長期富縣探區湖泊水體屬于淡水-微鹹水,微量元素含量及其比值在剖面上的變化對延長期湖平面升降和氣候的演變具有良好的響應,湖平面升降、氣候演變對層序地層的發育有著直觀而又重要的影響。
  16. After adding la3 + and ce3 +, the enhancement of relative membrane penetration ( rmp ) by heavy metal stress was reduced, the peroxidation of membrane lipids was alleviated and to some degree protected the membrane from injury by heavy metal ions, thus utimately promote the tolerance ability of plants to heavy metal stress. mesurement of element consentration by icp - ms method showed that rare earths could decrease the accumulation of heavy metal ions in the plants through competition effect

    在受重金屬離子污染的培養液中施加la ~ ( 3 + ) , ge ~ ( 3 + )后,與單一重金屬毒害相比, la ~ ( 3 + )和ce ~ ( 3 + )有效抑制了重金屬脅迫引起的細胞膜透性增加,使膜脂過氧化水平減弱,從而延緩了對膜的損傷,最終增強了對重金屬離子的抗性。
  17. A finite element model for double wishbone suspension with twirl torsion bar of a 5 - axle heavy truck is established and a simulation is conducted, including the analyses on static stiffness and strength characteristics of the suspension

    摘要建立了某五軸載貨汽車雙扭桿雙橫臂懸架有限元模型,對各零部件之間連接關系進行模擬,在此基礎上,對模型靜態剛度和強度特性進行分析。
  18. In this article, computer simulation of mechanical performance of typical asphalt pavement structure under heavy axle load has been analyzed by means of finite element program abaqus, in order to supply some fundamental information for the asphalt pavement structure with higher bearing capacity designing under the heavy axle load

    文章利用大型有限元程序abaqus ,對承受重軸載車輛荷載作用的典型路面結構力學性能進行計算機模擬分析,為特重車輛作用下承載能力較強的瀝青路面設計提供基礎資料。
  19. The results show that the part of the heavy metal element cumulated in root tissue organ on the growth periods and the part of the heavy metal element discharged besides the plant body with the tissue organ of stem and leaf wilted on the growth periods of the anisodus tanguticus ( maxim. ) pascher

    結果表明,山莨菪在生長周期內吸收的重金屬元素並非全部蓄積在根組織器官中,部分重金屬元素通過年生長周期內的生長發育而隨著地上莖葉部分等組織器官的枯萎被代謝排出植物體外。
  20. 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。
分享友人