置換環 的英文怎麼說

中文拼音 [zhìhuànhuán]
置換環 英文
substitution loop
  • 置 : 動詞1. （擱; 放） place; put; lay 2. （設立; 布置） set up; establish; arrange; fix up 3. （購置） buy; purchase
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  1. Permuted index of the vocabulary of information technology

    信息技術詞匯循環置換索引
  2. The predominance of these series is replaced in turn by benzothiophenes and increasingly complex ring-like compounds in the higher temperature ranges.

    在更高的溫度范圍內，這些化合物的絕大部分又被苯噻吩和更復雜的環狀化合物置換。
  3. Management of cardiopulmonary bypass in valve replacement in patients with critical valvular heart disease

    重癥心臟瓣膜置換術的體外循環管理
  4. Here a low cost optimal position system with speed - loop open and position - loop closed based on fuzzy control is presented, it employs fuzzy controller to verdict rotor velocity approximately and a fuzzy switching curve is substituted for real one to achieve bang - bang switch, no limit - loop or oscillation occurs. at the end of this chapter, a dc break curve is discussed

    為了實現經濟實用的點對點快速定位系統，實際系統採用速度開環、位置閉環結構，速度量從模糊控制器得到，既不實測也不軟體估計，用模糊開關線代替真實開關線進行控制量狀態切換，無極限環或振蕩現象，而成本則大大降低。
  5. As to cyclic codes over finite chain rings, we study their stucture and develop the fourier transform method to finite chain rings. the permutation groups of cyclic codes and their extended codes are investigated using their mattson - solomn polynomials

    對于有限鏈環上的循環碼，我們研究了它們的結構，並把傅立葉變換的方法推廣到有限鏈環，用循環碼的mattson - solomn多項式對循環碼及其擴展碼的置換群進行了研究。
  6. Algorithms for finding the minimal polynomials and inverses of permutation factor circulant matrices

    求置換因子循環矩陣的極小多項式和逆的演算法
  7. The management of cardiopulmonary bypass in 74 children undergoing heart valve replacement

    兒童瓣膜置換術體外循環74例總結
  8. Management of cardiopulmonary bypass during heart valve replacement of patients with large ventricle

    大心室瓣膜置換患者體外循環管理
  9. Clinical application of ultrafiltration in severe heart valve replacement with cardiopulmonary bypass

    超濾在重癥心臟瓣膜置換術體外循環中的臨床應用
  10. Experience of cardiopulmonary bypass management of serious patients underwent heart valve replacement : 1600 cases report

    1600例重癥心臟瓣膜置換術中的體外循環管理
  11. After studying the contents with " sx - 10 law " concerning the oil and gas ( o & g ) cost of the international oil company, the article has systematically analyzed and compared the sinopec and foreign oil company ' s o & g cost ' s differences, such as its classifications structures, and cost accounting etc. by analyzing the international oil company ' s common o & g cost ' s movement tendency and rule which has been outlined and showing in the recent 10 years, that is between 1991 and 2000, the article has compared and studied the differences in o & g costs between the sinopec and foreign oil company, furthermore, it has taken impersonally part the real and internal reasons in details which has resulted in the differences at home and abroad. for instance, it has concluded the reasons that contribute to the long - lasting higher production cost of the sinopec upstream in three aspects : firstly, it is due to the difference in its resource stratagem, that is, the foreign oil company can realize their o & g resource optimization by the way of resource electing and o & g assets replacement in the world market ; secondly, since most of the sinopec key oilfields have been in the middle or last development period which characterizing the " three high " ( high water containing, high yield and high lifting rate ), it has been an impersonal rule with a higher level of production cost ; finally, another factor resulting in the higher production cost lies in the execrable operating and social environment which has been facing by the domestic oil company and a great amount of non - producing payout which owes to the bad environment

    本論文從美國證監會（ sec ）對國外石油公司油氣成本的《 sx4 - 10條例》的內容研究出發，系統地分析和比較了中外石油公司在油氣成本的分類、構成以及核算等方面的差異，並結合近十年來（ 1991 - 2000 ）國外石油公司油氣成本的變化趨勢和變化規律，對中外油氣成本結構和變化呈現出的差異進行了比較和研究，並就導致該差異產生的深層次原因進行了客觀翔實的剖析，文章特別指出，造成中石化上游油氣生產成本居高不下的原因有三個方面： （ 1 ）資源戰略方面，國外石油公司可以通過資源優選和資產置換來實現油氣資源的最優化選擇： （ 2 ）從開發程度上，中石化上游普遍進入以「三高」為特徵的開發階段，生產成本高是客觀規律： （ 3 ）企業面臨的惡劣經營和社會環境以及由此產生的大量非生產支出，也是構成企業生產成本較高的原因之一。
  12. The stirred fluid and beads have multidimensional circulation motion and self - rotation for the stirrer rotation in the grinding chamber of a stirred media mill. high intensity motion is caused by multi - direction displacement of fluid and beads. the powder is comminuted by compression caused by beads gravity and helical turn for rubbing, impacting and shearing

    攪拌磨磨筒中，在攪拌器的攪動下，物料與磨介作多維循環運動和自轉運動，從而在磨筒中不斷地上下、左右相互置換位置產生激烈的運動，由磨介重力以及螺旋迴轉產生的擠壓力對物料進行摩擦、沖擊、剪切作用而粉碎。
  13. Erv ? energy recovery ventilator ? broan ' s most energy efficient iaq solution ; designed for year - round, continuous ventilation to help make a house a healthier home

    Erv就是能量回收的空氣置換雙向流系統。能夠適用於全年持續運轉，為房間創造一個更加健康的環境
  14. The experiment acquired pressure distribution and circulating rate under three fluidizing velocity ( 3. 5m / s 、 4. 5m / s 、 5. 5m / s ) and different media load. an experimental equation was acquired between circulating rate and the distribution of the pressure. and the relation between the circulating rate and the opening rate of the valve connecting the returner and the ehe was carefully discussed as well as the relation between the pressure of the ehe and the flow rate of the fluidizing air

    得到三種流化風速下（ 3 . 5m / s 、 4 . 5m / s 、 5 . 5m / s ）不同裝料量所對應的主床床體壓力分佈和物料循環量，得到循環量與壓力的分佈和流化風速的本實驗臺上的經驗公式，並通過測量返料器通向外置換熱器機械閥開度和返料量的關系，得到旋風分離器中下落物料進入換熱器和直接進入主床的比例關系，同時測得換熱器中壓力和送風量的關系。
  15. Since the 1980s, with the developing of air - condition technology, men begin thinking much of room condition quality, displacement ventilation has been given a good favour for its higher ventilation effectiveness and air exchange efficiency

    二十世紀八十年代以來，空調技術的發展開始對室內環境質量有了足夠的重視，置換通風因其較高的通風效率和換氣效率而受到人們的青睞。
  16. Stable matrices over exchange rings

    置換環上的穩定矩陣
  17. It turns out that all these problems can be solved at once, provided we learn enough about the cycle structure of permutations.

    結果是，所有這些問題都可以一次解決，只要我們充分地了解各置換的循環結構。
  18. Stereological study on the myocardial protection in mitral valve replacement with beating heart under mild hypothermia

    淺低溫體外循環心臟跳動二尖瓣置換術對心肌保護的體視學研究
  19. This dissertation focuses on survivability and self - healing issues of broadband transport networks : the dynamical pre - configuration of the p - cycles, network planning with joint the pre - configuration and the pre - planning method as well as blsr ( bi - directional line - switched ring loading ) loading problem

    本文主要研究了寬帶傳送網路生存性及自愈技術，主要集中在以下幾個方面： p - cycle的預先動態配置、預先配置和預先規劃相結合的網路規劃以及雙向線路倒換環（ blsr - bi - directionalline - switchedring ）的業務負載。
  20. Impact of cardiopulmonary bypass on free amino acid spectrum in plasma for patients with prosthetic valve replacement during the perioperative period

    體外循環對心臟瓣膜置換術患者圍術期血漿游離氨基酸譜的影響
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