turek 中文意思是什麼

turek 解釋
蒂雷克
  1. Through extrapolation, the order is poromted from 2 to 4. for rannacher - turek element, its single root also gives lower - bound approximation. however, it can reach fourth order and further extrapolation leads to sixth order, while its repeted root has only second order precision and extrapolation leads to fourth order precision

    實驗結果表明拓廣rannacher - turek元確實給出特徵值的下逼近，並且要優于線性元，外推可以使2階精度提高到4階，而rannacher - turek元對單根同樣給出下逼近，但近似解本身便可達到4階高精度，外推可以獲得更高階（ 6階）精度，重根卻給出上逼近，只具有2階精度，但可以通過外推達到4階精度。
  2. Rannacher, r. turek, s., simple nonconforming quadrilateral stokes element, numer. methods for partical differential equations, 8 ( 1992 ) 97 - 111

    胡健偉，湯懷民，微分方程數值方法，科學出版社，北京， 1999
  3. " we ' ve put so much emphasis on diet and exercise that we ' ve failed to recognize the value of good sleep, " said fred turek, a physician at northwestern university

    美國西北大學的醫學教授弗萊德?塔瑞克說： 「我們一直過份強調節食和鍛煉，以至於忽略了良好睡眠的作用。 」
  4. The study was published in the archives of internal medicine along with an editorial by turek and northwestern colleague joseph bass commenting on it and related research

    該研究結果發表在美國《內科學文獻》期刊上，塔瑞克和西北大學的同行約瑟夫?貝斯共同對上述研究結果及其相關研究發表了評論。
  5. In an interview with reuters, turek said some studies have shown sleep deprivation causes declines in an appetite suppressing protein hormone called leptin, and increases in another hormone that causes a craving for food

    在接受路透社采訪時，塔瑞克說已經有研究表明睡眠不足會導致「瘦體素」分泌減少，而另一種增強食慾的荷爾蒙分泌增多， 「瘦體素」是一種抑制食慾的蛋白質荷爾蒙。
  6. This thesis mainly discusses numerical experiment of the error expansion and extrapolation theory of extensional rannacher - turek nonconforming element. comparing to the other extensively used element, we clearly see which element is more effective

    本文主要討論了特徵值問題拓廣rannacher - turek非協調元的誤差展開與外推的數值實驗結果，與其它幾種廣泛使用的有限元比較，我們能清楚的看到哪個有限元更有效。
  7. In the end, this thesis also devises numerical experiment for problems with small perturbation on its boundary strip. result shows that rannacher - turek element becomes exceptionally unstable. on the contary, extensional rannacher - turek element is more reliable

    最後，本文又對所處理區域的邊界帶有小擾動的問題，進行了數值實驗，實驗結果表明rannacher ? turek元變得異常不穩定，而相比之下拓廣的rannacher ? turek元更可靠。
  8. They report in the proceedings of the national academy of sciences shows that when rats are partially sleep deprived over consecutive days they no longer attempt to catch up, despite an accumulating sleep deficit. " the ability to compensate for lost sleep is itself lost, which is damaging both physically and mentally, " said prof fred turek

    他們在美國國家科學院會議上發表的報告顯示，當老鼠數天被剝奪了一部分睡眠時間使，盡管累計了很多的睡眠缺失，但它們不再嘗試將睡眠禰補回來。
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