pi-ratio 中文意思是什麼

pi-ratio 解釋
採油壓差與注水壓差的比值
  • pi : n. 1. 希臘字母表的第十六字母 〈Ⅱ π,和英語的 p 相當〉。2. 【數學】圓周率。adj. 〈英學俚〉虔誠的,有道德的,宗教性的 〈pious之略〉。n. ,vt. 〈英國〉=pie3.
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The ratio of ( s + g2 ) / ( g2 + m + s ) and pi value of mc - 3t3 - el cells increased in the condition of 1um / l e2. the effects of e2 on igfbp - 6 and igf - 2 gene expressions were suppressed by tcdd and ra. the binding of ere at higfbp - 6 5 " - utr ( dna sequence : aactctgacc, + 94 to + 103 ) was enhanced by tcdd

    第三部分igfbp一6基因5 』一utr中ere的鑒定及功能分析目的:骨骼組織起源於胚胎期中胚層,維持正常的胚胎期骨骼發育需要多種生長因子、細胞因子和激素的參與,其中雌激素可通過多種途徑作用子中胚層內間
  2. Enforcing admission control using admission - time - ratio and pi controller

    基於接納時間比控制和比例積分調節器的接納控制機制
  3. In order to realize the optimum control of the temperature in the billet reheating furnace, the fuzzy control and expert control of the fuel flow, the optimization extreme of the air / fuel ratio, and the fuzzy pi control of the pressures in furnace are discussed

    摘要為了實現鋼坯加熱爐爐溫的優化控制,研究了燃料流量的模糊專家控制,空燃比的極值尋優以及爐膛壓力的模糊pi控制策略。
  4. Pi , the ratio of the circumference of a circle to its diameter , was computer - calculated to a million decimal places in 1973 by the french mathematicia jean guilloud and martine bouyer

    圓周率,即圓周和直徑之比,於1973年由法國數學家讓?吉尤和馬蒂娜?布耶用計算機算到小數點后100萬位。
  5. Pi , the ratio of the circumference of a circle to its diameter , was computer - calculated to a million decimal places in 1973 by the french mathematicians jean guilloud and martine bouyer

    圓周率,即圓周和直徑之比,於1973年由法國數學家讓?吉尤和馬蒂娜?布耶用計算機算到小數點后100萬位。
  6. In this thesis, to increase the aspect ratio of liga process, several important influence factors were discussed, which includes the structure and performance of liga mask, x - ray intensity and x - ray spectrum of beam lines, the characteristic of pmma resin and the micro electroforming parameters. the au - pi mask and the au - si mask were designed by xop and origin software, after the difference between the spectrum of 3w1 and 3b1 beam line had been contrastively analyzed

    本文著眼于liga技術高深寬比方面的研究,以提高本實驗室用liga技術製作微細結構的深寬比為目的,從分析各因素影響深寬比的機理出發,再加以理論設計和實驗工藝的優化和改善,分別研究討論了影響深寬比的幾大重要因素:掩模結構和性能、光源光譜和光強、 pmma光刻膠性能、電鑄工藝參數等。
  7. The task in the open loop system is to get lpg injection duty ratio in pre - set two dimension map according to practical engine operation condition, while the task in the closed - loop system is to calculate lpg injection duty ratio by the approaching increment method or the proportion and integral ( pi ) controller according to the signal of the oxygen sensor. to eliminate the oscillation phenomena of the signal of the oxygen sensor in low - speed condition, this paper develops the stable increment method

    開環階段根據實時工況參數對事先制取的噴氣占空比map圖執行取值操作;閉環階段根據氧傳感器反饋信號通過增量逼近法或pi環節計算輸出適合即時工況的噴氣占空比值;為解決低速振蕩現象,本文運用固定增量法,對系統進行低速振蕩微調。
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