phase transition 中文意思是什麼

phase transition 解釋
相變化
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  1. We carry on model study on non - thermal phase transition and antiproton to proton ratio at rhic energies

    本文對非熱相變和rhic能區的反質子質子產額比進行了模型研究。
  2. Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone, which is the key intermediate of synthesizing the milrinone, a cardiotonic agent, was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis. the overall yield was 73. 1 %

    文摘:報道了以4 -甲基吡啶為原料，經酰化和相轉移催化水解反應制備強心藥物米利酮關鍵中間體1 - （ 4 -吡啶基） - 2 -丙酮的新合成方法，總收率達73 . 1 %
  3. The linear relationship between shock wave velocity d and particle velocity u of our samples were obtained : d = 3. 701 + 1. 527u there the unit of relocity is km / s. no phase transition shows for enstatite with perovskite structure according to the experimental linear d - u line up to 110gpa

    實驗結果表明，在80 115gpa壓力范圍內本文所用頑火輝石的沖擊波速度d與粒子速度u可用線性關系： d = 3 . 247 + 1 . 626u來描述。
  4. Considering that no phase transition of enstatite with perovslite structure were found during these static high pressure experiments, the consistence of the bulk modulus also supports that the high pressure phase of perovskite structure of enstatite is stability between 50 - 140gpa

    考慮到靜高壓下的數據是在實驗中未發現頑火輝石高壓相有相變的情況下得到的。因此，動高壓與靜高壓實驗數據的一致性支持了在80 ? 140gpa壓力內預火輝石的高壓相保持穩定的觀點。
  5. So we can only explore the new phenomena related to the qgp phase transition through the properties of the finial state particles

    因此，只能從末態粒子的某些行為來尋找與qgp存在有關的新現象。
  6. Abstract : based on the gauge theory of various interactions, some new solutions of the gauge field equations are discussed, the potential is introduced, and the relations among the results and limit cycle, various singular points are derived. finally, it is expounded that these results possess probably physical meaning on the property and phase transition of particles

    文摘:從各種相互作用的規范理論出發，討論了規范場方程的某些新的解，並引入了勢，然後探討了它們與極限環、各種奇異點的關系，最後論述了這些結果可能具有的粒子性質和相變等物理意義
  7. Studies on the liquid crystalline characters and phase transition behaviors of a poly ester imide copolymer

    聚酯酰亞胺共聚物的液晶特性和相轉變研究
  8. No evidences of low - temperature phase transition were found for pbtio3, while the tetragonal - orthogonal and orthorhombic - rhombohedral phase transitions were present for batio3

    沒有發現鈦酸鉛存在低溫相變的證據，而鈦酸鋇則存在四方正交和正交三角鐵電相變。
  9. Characters of piezoelectricity and phase transition of pmn - pt single crystals and ceramics

    單晶與陶瓷在性能及相變方面的特點
  10. Phase - transition analysis, age - boundary line analysis, correlation and crust of weathering analysis are all used in determining the age of the planation surface

    本文介紹了相過度法、年界法、相關沉積法和風化殼法等測定夷平面年齡的方法。
  11. The knowledge of these initial collision is crucial for any theoretical treat - ment of a possible parton - hadron phase transition, the detection of which being the ultimate aim of all the efforts of co1liding heavy ions at very high energies. the parton model allows to calculate inclusive cross sections as a convolution of any elementary cross section with parton distribution functions, assuming that factorization works. the disadvantage is that tlle first interaction is coilsidered quite differently from the subsequent ones in case of multiple scattering

    其它的弦模型在計算幾率時，忽略了入射能量在pomeron之間的分配，破壞了能量守恆，而且把pomeron作為全同粒子處理，即pomeron之間是不可區分的；然而在處理粒子產生時，這些模型雖然考慮了能量守恆，但是第一個pomeron的粒子產生與其它的pomeron很不一樣? ? pomeron在粒子產生時不是全同的。
  12. Vacuum phase - transition and the energy mechanism of quasars

    真空相變與類星體的能源機制
  13. Effect of heat treatment on phase transition of barium titanate

    熱處理過程對納米鈦酸鋇相變的影響研究
  14. The effect of coordination number on phase transition point from the study of renormalization group calculation for hexagonal lattice

    從六角格子的實空間重整化群計算看配位數對相變點的影響
  15. The position of the second order phase transition points for the stationary black holes has been argued by many authors recently

    穩態黑洞在什麼條件下出現二級相變，近年來在引力學界存在著爭論。
  16. The measuring of low - temperature specific heat is an important and effective method to study the structure of electronic states, the atomic vibration of lattice, phase transition and structure of grain boundary

    低溫比熱測量是研究固體的電子能態結構、原子點陣振動狀態、相變、界面結構等信息的重要的且很有效的手段之一。
  17. Powder x - ray ; phase transition ; perovskite ; catio

    粉晶x射線相轉變鈣鈦礦catio
  18. Some cubic perovskites are good cases in point such as srtio3 and ktao3. experimental results show that when ba2 + and li + are doped into the above materials respectively and at the same time the impurity content is higher than their critical concentration, the impurity induced ferroe lectric phase transition occurs

    Srtio _ 3和ktao _ 3是典型的量子順電體，實驗表明當兩者分別摻雜ba ~ （ 2 + ）和li ~ +且雜質濃度超過各自的臨界濃度時，順電相不再穩定，出現由雜質導致的鐵電相變。
  19. It is found that the enhancement of the long - range interaction will result in the increment of the phase transition temperature, the increase of the critical transverse field and the decrease of the critical size

    採用超越平均場理論計算了長程相互作用對鐵電薄膜的物理性質的影響，發現長程相互作用的增強將使鐵電薄膜的居里溫度升高、臨界橫場增大、臨界尺寸下降。
  20. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關，因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息，對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變，磁性相變，超導相變等及臨界點附近的標度規律。
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