置換比 的英文怎麼說

中文拼音 [zhìhuànbǐ]
置換比 英文
replacement factor
  • 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
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  1. Background : we reviewed the patients who un der went tricuspid valve replacement ( tvr ) to compare the long - term clinical results of bioprosthetic valve with mechanical valve in tricuspid position

    背景：對接受過三尖瓣置換術（ tvr ）的患者進行回顧，比較生物瓣膜和機械瓣膜的遠期臨床效果。
  2. And then, on the foundation of comparing of different ways of enhancing of latent heat transfer, the way of adding fins in the lhtes was selected, and it was taken as the main research object in this paper. as a result, three different fins were designed to enhance the latent heat transfer, including circular fins, vertical fins and screw fins

    選定了相變材料后，本文通過對多種強化相變儲熱裝置傳熱特性方式比較分析的基礎上，確定了以添加肋片的方式作為本文中強化相變儲熱裝置換熱特性的主要的方式，並將其作為本實驗的主要研究對象。
  3. The effect of gastric lavage in early stage was especially obvious, 13 cases with convulsions got immediate relief after plasma exchange, the use of large dosage of tranquilizer resulted in better control on convulsion in 4 cases treated with ventilator than that in the others

    在毒鼠強中毒的病例中早期洗胃的效果較好， 13例出現驚厥的病例進行血漿置換治療后驚厥癥狀立即緩解， 4例應用機械通氣的病例鎮靜劑用量比其它病例大，驚厥癥狀控制得比其它病例更滿意。
  4. The author redesigned the common concrete beams and carried out a comparative analysis to the existing beams according to the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( jtj023 - 85 ), the specification for design of reinforced concrete and prestressed concrete highway bridges and culverts ( informal version for advices ) and relevant rules of its matching stipulations, light aggregate concrete bridge technology stipulations ( ( informal version for advices ) and on the basis of prestressed concrete theory. the thesis emphasized on the research of the variation of the concrete, prestressing tendon quantities, their spans, beams " height and their rigidity of both the designed beams and the existing beams, and obtained the quantitative results from above research

    採用hslc置換梁體中的普通混凝土，並運用預應力混凝土理論，依據《公路鋼筋混凝土及預應力混凝土橋涵設計規范》 （ jtj023 - 85 ） ， 《公路鋼筋混凝土及預應力混凝土橋涵設計規范》 （徵求意見稿）和與之配套編制的《輕骨料混凝土橋梁技術規程》 （徵求意見稿）的有關規定，對上述普通混凝土梁進行了重新設計並與既有梁進行了對比分析，得出了設計梁與既有梁在混凝土及預應力筋用量、跨度、梁高以及剛度等方面的變化情況，得到了定量結果。
  5. During the experiment of protein crystal growth in space carried by chinese re - entry capsule fsw - 2, the crystals of barheaded goose hemoglobin suitable for x - ray analysis were obtained both in space and earth as contrast group. the diffraction data of both crystals were collected, and the structures were solved using molecule replacement methods. the comparison of structures in space and earth indicate that, the interactions among molecules in crystal and subunits of molecule in space is weakened relative to the crystal on earth, there is a contact in the

    在1994年我國返回式衛星fsw - 2上進行的空間蛋白質晶體生長實驗中，獲得了適合於x射線分析的空間實驗組和地面對照組的斑頭雁血紅蛋白晶體，並收集了x射線衍射數據。應用分子置換法解析了結構，並進行了比較研究。結果顯示空間晶體的分子間和分子中亞基間的相互作用趨于減弱，在
  6. To be interested in the changing seasons is a happier state of mind than to be hopelessly in love with spring

    充滿興味地置身季節的變換比無望地苦戀春天更讓人心情愜意。
  7. The related physical equations ( yang - laplace equation and hagen - poiseuille equation ) were re - derived for different pore shapes. and the effect of using different pore model such as circle, elliptical and slit pore model to determine pore size and its distribution was investigated

    計算結果表明當假設孔為橢圓形時，液體置換法表徵得到的結果與掃描電鏡、比重法分析得到的實驗結果比較吻合，也可以較好地反映孔的實際形態結構。
  8. 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。
  9. Other areas include tissue and organ regeneration ; design of implants and prostheses based on control of biomaterials - tissue interactions ; comparative analysis of intact, biodegradable, and bioreplaceable implants by reference to case studies

    其它領域則包括組織和器官再生；植體和義肢根據生醫材料與組織交互作用的設計；及藉由參考例案以比較分析完整原型，生物可分解型和生物可置換型等各種植體。
  10. The moisture buffering effect of this layer depends very much on the air exchange rate and also on the ratio of the surface area of the buffer to the volume of the room

    濕緩沖效果依賴于空氣置換率和房間內多孔緩沖材料的表面積和空間的比率。
  11. But how they interact with other substances, such as gold, acts as a proxy for that behaviour

    但是他們如何與其他物質交互作用，比如金，起著置換作用。
  12. Our aim is to provide reference data for the mechanism of the effects of ree on crops and the safety evaluation of re used in agriculture. 1. in soil culture experiment, re applications with appropriate dose in dry condition increased the contents of soil available n, whose no - effect value were 505mg / kg at eighth week, whereas higher levels of re had negative effects, re applications with both appropriate and higher dose in inundated condition reduced the contents of soil nh / - n and hydrolysable n. re treatment concentrations showed significant positive correlation with the contents of soil exchangeable re. and significant negative correlation with the contents of soil available p and soil ph value. there was no significant effects of re on soil exchangeable cations, but applications of re increased the contents of soil water soluble cations, especially that of ca2 * and mg2 +

    兩種培養條件下，稀土處理濃度與土壤交換態稀土含量成正比，與有效磷含量、土壤ph成反比，對土壤交換態鹽基離子含量無顯著影響，但通過置換作用增加了水溶態離子，尤其是ca ~ （ 2 + ） 、 mg ~ （ 2 + ）離子的含量；第二周稀土處理增加交換態zn含量，對交換態fe有降低作用，旱培條件下增加交換態mn含量，淹水條件下對其有降低作用；第八周稀土處理均提高交換態fe 、 mn 、 zn含量，其機制主要與稀土降低土壤ph有關。
  13. Surface wave velocity detecting tests and dry density detecting tests by pit replacement method were conducted respectively for the transient material ( a ) and main rock - fill material ( b ) used in the construction of concrete - faced rock - fill dam of shuibuya project

    摘要以水布埡面板堆石壩施工中的過渡料（ a ）和主堆石料（ b ）為主要檢測對象，分別進行了面波波速和試坑置換法干密度的對比檢測試驗。
  14. The purpose of this paper is to find out the characteristics of corporate restructuring and reorganizations under the background of strengthened supervision and improved accounting standards in 2001. using financial data on chinese public firms that had performed restructurings in 2001, this paper studies the impact of restructuring activities on firms " performance. it finds that performance of sample companies are better than the market average both before and after restructuring, but financial ratios does not improve obviously, what ' s more, the roe ratios even drop generally, which are very different from the characteristics during the past few years

    本文採用以財務數據為基礎進行評價的方法，對2001年上市公司資產重組進行研究發現，從資產重組的方式來看，收購兼并所佔比重最高，業績較好的公司偏向于選擇這種重組方式，而資產置換、股權轉讓仍為績差公司所青睞；從重組前後財務指標的變化來看，重組公司表現優於市場平均水平，但與往年重組公司當年業績即得到明顯提升不同， 2001年重組公司財務指標並未得到顯著提高，凈資產收益率更是全面下降，統計對比不支持上市公司利用資產重組調節公司績效的觀點。
  15. 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。
  16. We found that the ergodic method used to calculate the symmetries of a multidimensional system would give rise to the computing complexity problem, hi order to avoid the computing complexity problem, we present a novel approach using genetic algorithms for calculating the permutation symmetries of a patterns set and the weight matrix of the network. we design the corresponding computer program with visual c + + 6. 0 language. and numerical simulat

    並用wsualc語言分別設計了求解網路連接矩陣和給定樣本集的置換對稱性相應的遍歷法和遺傳演算法的程序，在pc機上進行數值模擬計算，比較遍歷法和遺傳演算法的計算結果。
  17. Secondly another vector phz1117 which for replacement of sc ( j11. 17 / scd78. 01, was constructed. phz1117 was transformed into wild type strain m145 and a gene replacement strain named hxy3 was obtained

    其次，構建了另一個用於置換scq11 . 17 scd78 . 01的置換載體phz1117 ，得到基因置換菌株hxy3並通過southern雜交驗證，與野生型m145相比，沒有觀察到hxy3有明顯的表型變化。
  18. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。
  19. The reaction conditions, such as the ratio and adding order of rectants, reaction temperature, reaction time and displacers, were investigated

    考察了原料摩爾比、加料順序、反應溫度、反應時間、置換劑等對反應結果的影響。
  20. The technology and economy of replacement ventitation have been systemly analysed by the complete contrast of replacement ventitation and tradition mixture vertuliution

    通過置換通風與傳統混合通風的全面對比，對置換通風的技術性和經濟性進行全面系統的分析。
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