ab absolute 中文意思是什麼

ab absolute 解釋
絕對
  • ab : 〈拉丁語〉從(= from away)。 ab extra 自外,從外部,外來。 ab initio 從開頭,從開始〈略 ab init...
  • absolute : adj 1 絕對的 (opp relative comparative); 完全的,純粹的。2 無條件的,無限制的。3 專制的,獨裁的...
  1. The elastic constants of bcc li, na and fcc al crystals have been evaluated as functions of pressure and temperature by using a new model together with ab initio electronic structure and total - energy calculations. in the model it is considered that the elastic constants of crystals at a given temperature and pressure can be calculated using a conventional density functional method but modified by a new set lattice constants due to the isobaric volumetric thermal expansion when temperature rise from absolute zero to the given one

    本文對高壓及有限溫度立方金屬彈性常數的計算方法進行了研究,建立了一種考慮溫度效應的物理模型,基於這個模型和從頭算方法,對典型的立方晶系金屬li 、 na 、 al在高壓及有限溫度(熔點以下溫度)彈性常數進行了計算,取得了與已有實驗結果較好相符的計算結果。
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