星密度 的英文怎麼說

中文拼音 [xīng]
星密度 英文
stellar density
  • : 名詞1 (夜晚天空中閃爍發光的天體) star 2 [天文學] (宇宙間能發射光或反射光的天體) heavenly body...
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. As the accretion disk feeds more mass into itself, the embryo star contracts, growing ever denser and more massive.

    隨著吸積盤獲得越來越多的物質,胚胎恆就不斷收縮,和質量都變得越來越大。
  2. The results show that the chiral symmetry is restored partially when the strange matter density increases and 2 plays a very important role in the strange matter which may approach the constituents of the neutron stars. in additions, we can find that the strange matter density where the - condensate emerges is led to the ratio of the nucleon number to baryon number. and the occurrence of - condensate is only in certain density and gradually increases for higher density, so we guess that - field may be necessary to carefully consider for studying the neutron stars

    ( 3 ) -凝聚出現時所對應的奇異物質值與核子在奇異物質中的比例有關。另外,雖然本文對夸克凝聚的討論是在低的奇異物質中進行的,但是-凝聚的出現卻需達到一定的值並且隨的增大而遞增,所以我們推測場可能對于仔細研究中子是一必要因素。
  3. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體,對系統進行了模態分析和動力學響應分析,獲得了不同天線結構參數下的衛?天線系統的固有特性,簡諧響應的幅頻特性,隨機振動響應的功率譜,以及沖擊響應的最大幅值和恢復時間等。
  4. What is left after an explosion is a dwarf star of extraordinary density.

    爆炸后所留下的是一個巨大的矮
  5. Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations

    本文採用與觀測結果具有相同形式的球狀團空間分佈函數,在給定兩種球狀團系統的初始質量譜(冪律的和對數高斯的)和兩種球狀團系統的初始速分佈函數(愛丁頓速分佈函數和常數的速彌散)條件下,我們採用montecarlo的方法對球狀團系統的動力學演化進行討論。
  6. Most galaxy associations are small and have a low density contrast.

    大多數系協是小的,反襯低。
  7. The results show that - condensate appears at some baryon densities and makes great effect to the curve of state equation of neutron star ; hyperons - and a exist in neutron star matter at high desities

    結果表明, ~ -凝聚將出現在一定的重子區間,並對中子狀態方程曲線有重要的影響;超子~ -和在較高也會出現。
  8. 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、場的年齡-金屬豐關系、太陽附近g矮金屬含量分佈函數、三成份的特徵量、元素的系化學演化、超新的爆炸率、內落速率等)的比較,來檢驗模型的合理性。
  9. The mass of jupiter is about 300 times that of the earth, however its density is low. in fact, these are general features of jovian planets

    的質量大約是地球的300倍,但和其它類木行一樣,它的很低。
  10. Its density is roughly 2. 3 times that of water. usually, the jovian planets have density less than 2, while terrestrial planets have density more than 5

    冥王約為水的2 . 3倍通常來說,類木行會小於2 ,而類地行則大於5 。
  11. Our results show that with the up to date experimental data, 13c can not sufficiently burn, the neutron number density decrease, the timescale of neutron source become long and these come into conflict with model of thermal pulse agb star

    研究結果表明,在新實驗結果下, 』 3c不能充分燃燒,中子數降低,中子源持續的時標變長,這與熱脈沖agb的現有模型出現矛盾。
  12. The probe was equipped with a radio occultation experiment to profile atmospheric density

    我的理解是:探測器裝備有一個用於探測大氣層的掩實驗裝置
  13. In the past few years, with the development of electronic technology and semiconductor storage device, solid state recorder ( ssr ) based on dram and flash memory has taken place the tape recorder, magnetic disk and magnetic - optic disk and been the dominating solution for the storage of mass data in the spacecraft

    近年來,隨著電子技術的發展和半導體存儲器的不斷提高,以dram和flash為主的固態大容量存儲器逐漸取代了早期上的磁記錄設備而成為空間飛行器數據記錄的主流方案。
  14. At last, the thesis have researched urbanization trend from these aspects of migration of population, change of population density, layer distribution of urbanization as well as development and division of satellite towns

    最後文章從人口遷移、人口變化、城市化圈層分佈和衛城鎮的發展及分工等方面對人口城市化趨勢進行了探討。
  15. Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth

    值分佈以及場向電流強隨亞暴位相的變化,並著重分析了亞暴電流楔的特徵。結果表明,亞暴膨脹相的場向電流強都達到極大值亞暴的膨脹相是由行際磁場轉向或南向分量變小觸發的,其起始位置很可能位於近地等離子體片內邊緣。
  16. Another advantage, contrast to using convolutional codes or turbo codes, is its low complexity while maintain high ber performance because the check equations are used to terminate the both iterations. we develop the theoretical error free feedback bound for bpcm - id and predict the threshold for decder convergence using the extrinsic information ransfer chart ( exit )

    利用非正則ldpc具有不同的信息節點概率演化的差異,對高階座中具有較高級別的子通道提供額外的保護,可使迭代反饋判決時,座子集擁有最大的無錯反饋歐氏距離調和均值,從而改善系統的迭代收斂特性。
  17. The spectrum of a galaxy contains bright and dark lines that are determined by the galaxy ' s temperature, density, and chemical composition

    一個系的光譜中包含亮與暗的線,這是由系的溫和化學成分決定的。
  18. Our results are much helpful for us to understand the building - up mechanism of the universal density profile, galaxy formation and high redshift tully - fisher relation

    這些結果對我們解釋暗暈的普適輪廓,高紅移盤系的瓜111卜f討ler關系和理解系核球及盤的形成都有很大幫助
  19. The morphology of the galaxy is not clear due to the low stellar density and the relatively short distance to the galaxy ( 220, 000 light years )

    形態學的銀河尚不清楚由於低恆星密度和相對距離較遠銀河( 220 , 000光年)
  20. Stellar density function

    星密度函數
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