摻氣率 的英文怎麼說

中文拼音 [chānqìlǜ]
摻氣率 英文
air rate
  • 摻 : 摻動詞[書面語] （持; 握） hold
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. The process of mixing and chemical reaction in the second combustor is very complicated, many factors affect the combustion efficiency

    然而補燃室內燃氣同空氣的摻混燃燒過程十分復雜，影響燃燒效率的設計參數很多。
  2. Under the different freezing - thawing cycle circumstance, three factors of water binder ratio, air content and mineral admixture are analyzed by using the method of orthogonal table. the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance, and in salt freezing - thawing cycle circumstance is the air content. this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle

    分析了在純水和3 . 5 % nacl溶液中受凍后，水膠比、含氣量和摻合料對混凝土飽和系數及變化速率的影響規律，試驗結果表明水膠比對混凝土水凍時的飽和系數及變化速率影響顯著，而鹽凍情況下含氣量則是主要影響因素，說明引氣能顯著提高混凝土的抗鹽凍性能。
  3. Curvature effects on the film cooling with the rotation

    旋轉狀態下曲率對氣膜與主流摻混區域的影響
  4. The results showed that not only would the boiler ' s performance be unaffected, but also the thermal efficiency be increased to some extend as long as the combustion was appropriately adjusted

    指出了燃油鍋爐摻燒火炬氣時，只要合理調整燃燒，鍋爐性能不僅不會受到影響，而且熱效率有所提高。
  5. The mechanism of fuel saving and emission reduction were discussed in this paper. based on surface chemistry, proper emulsifiers were selected to produce stable emulsified diesel oil, which contains different amount of water. the characters of emulsified fuel such as viscosity, heat value and factors in connect with stability were analyzed

    本文以利用乳化油減少柴油機燃油耗和降低排氣污染為主要目標，先從理論上分析了乳化油節能和降低排放的機理，然後利用表面化學的知識篩選出適當的表面活性劑，復配出高效的復合型乳化劑並用其配製出不同摻水率的穩定的乳化柴油，對乳化油的物性（粘度、熱值等）及影響乳化油穩定性的因素進行了分析。
  6. In order to increase the energy dissipation of stepped spillway at iarge unit discharge, the integhty dissipater of aerated splitter pier and steppe characteristics is studied. because of verticaj diffhaion now by aerated splitter and impachng steppe 3 by drop flow, the air concentration and the energy dissipation efficiency are greatly increased ; the potentiality of cavitations is decrease. in special at large unit discharge, this effect is more obvious

    摻氣分流墩的增加，明顯地改善了階梯面上的壓強分佈，消除或減小了階梯凹角內和立面上部的負壓；由於摻氣分流墩使水流縱向擴散以及挑流落下后在階梯上的撞擊，使水流的摻氣濃度和消能率都得到較大的提高，降低了階梯面空蝕的可能性，特別是在大單寬流量時，這種效果更為明顯。
  7. While the speed is very large, the fuel - air mixing behind the airstream is decreased and the span that the fuel flow in the second combustor is reduced, so the combustion efficiency is decreased, h ) if the fuel streams impinge with the airstreams directly at the air - inlet exit, it make against increasing the combustion efficiency, i ) increasing air - to - fuel ratio within proper range can increase the combustion efficiency

    增加燃氣噴射速度有利於增強迴流區強度，頭部燃燒溫度上升，但速度太大則會減弱燃氣同空氣在進氣道下游的摻混燃燒，減少燃氣在室內停留時間，燃燒效率降低； 8燃氣射流與空氣流在進氣道出口直接撞擊不利於燃燒效率的提高； 9在適當范圍內增大空燃比能顯著提高燃燒效率。
  8. Influence of blending gas fuels to air - charged efficiency and over - air coefficient in diesel engine

    柴油機摻燒氣體燃料對充氣效率和過量空氣系數的影響
  9. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  10. The mixing of air and fuel can be improved, d ) adding air distributary valve at exit of air - intake can increase the amount of air bifurcated into the dome region, so the value of combustion efficiency is increased, e ) increasing gas generator nozzle number can improve combustion characteristics in the dome region and produce good condition for combustion progress, f ) when the fuel streams are ejected into the second combustor with a angle, the combustion efficiency is increased, g ) when the speed of fuel streams increased, the intension and temperature of recirculation region is improved

    兩個進氣道在補燃室周向成180度布置，有利於增強燃氣同空氣的摻混； 4在進氣道出口增加空氣分流擋板，有利於增加進入頭部的空氣流量，提高燃燒效率； 5增加燃氣噴管數量能增強燃氣同空氣在頭部的燃燒效果，為燃燒的進行創造良好的條件； 6
  11. This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively

    本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ （ 60 ）粗品產率的影響；接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ （ 60 ）固體，比較了不同流動相和固定相的提純效率和效果；然後採用自己改進后的真空鍍膜機，利用電阻式加熱蒸鍍方法，得到了純c _ （ 60 ）薄膜和不同摻雜比的銀摻雜薄膜；探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響；最後通過xps ， afm ，紫外，紅外，拉曼對薄膜的成分、結構和特性作了定性和半定量分析。
  12. It shows that the aeration influence is not neglect after correcting between the theory value and practice calculate value

    考慮摻氣后的消能率實測計算值與理論計算值吻合較好，這表明摻氣的影響是不可忽略的。
  13. With computations and analysis, the comprehension on the mixing and combustion process is increased, and some significative results are listed below : a ) there are three recirculation regions and one vortex region in the combustor, and these recirculation regions affect the combustion process deeply, b ) increasing side - arm angle and moving side - air inlet position toward the fuel inlet can improve mixing and combustion characteristics, and increase the combustion efficiency, c ) when the angle between two air - inlets equals to 180

    通過計算與分析，增進了對補燃室內摻混燃燒過程的理解，為固體火箭沖壓發動機補燃室設計提供了一些有意義的結果： 1補燃室內的流動十分復雜，存在三個迴流區和一個旋渦區，迴流區對摻混燃燒過程有重要影響； 2增大空氣入射角度、向前移動進氣道出口位置有利於增強頭部迴流區強度，增強摻混效果，燃燒效率上升； 3
  14. The surface material is liable to erosion wear with high - velocity sediment - laden flow, hi this paper, sand wear mechanisms are discussed and some effects of significant flow factors on material wear are analyzed ; the possibility of preventing erosion wear with aeration is proposed ; based on test data, the formula for calculating the concrete material wall surface wear rate is derived. it is indicated that the wear rate is related to the air concentration, the strength of material, the flow velocity and the sediment content. it is shown that wear rate can be reduced with the help of flow aeration

    分析了空蝕與磨蝕的不同物理特徵；探討了沙粒磨蝕機理，提出了影響磨蝕vi河海大學博士學位論文一的因素；研究了摻氣抗磨的可能性：建立了混凝土材料壁面磨蝕率的計算公式；說明含沙水流對固壁材料的磨蝕率隨摻氣濃度、材料強度的增大而減小，隨水流流速、含沙量的提高而增大；利用摻氣可有效地降低過流表面的泥沙磨蝕率。
  15. Mechanical folding test was applied to analyze the crack behavior of dlc films. the results show that the crack appears due to the mechanical stress and the initiation and propagations of the cracks may be suppressed with higher rf power, bias voltage and gas pressure

    機械彎折試驗結果表明，沉積成膜過程中，應選擇較高的氣壓、基板負偏壓、射頻功率以及適量的n摻雜來制備抗往復彎折的、耐失效性能優越的膜層。
  16. In this thesis we have expatiated on the methods of the c60 thin films preparation, and the process with vacuum evaporation. the effect, which was caused by different gas pressures and other element doped, on surface morphology, structure and optical properties of c60 films have been studied by using scanning electron microscopy ( sem ), ultraviolet visible optical absorption spectroscopy ( uv / vis ) ( type : uv - 240 ), ellipsometer and x - ray diffraction

    本論文闡述了用真空蒸鍍法制備c60薄膜的方法和過程，研究了在不同氣氛下生長和摻雜對c60薄膜的表面形貌、結構和光吸收特性的影響；用xl30fge型掃描電鏡對c60薄膜表面形貌進行觀察；用uv - 240型紫外可見光雙光束分光光度計進行紫外、可見光吸收測量；用橢偏儀對薄膜進行厚度和折射率測量；用x射線衍射對薄膜結構進行分析。
  17. Xps measurement results exhibited that no detectable fe2 + existed in the compound of a ~ fe2os doped with sn4 +, which suggest that oxygen anions or cation vacancies not only can compensate the charge balance but also significantly enhance the gas - sensitivity of a - fe2o3 based gas sensors. ( 3 ) conductive type of a - fe2o3 doped with sn4 + is showed in the n - type by hall measurement and gas - sensitivity measurement. the results of measurements and characterizations suggest that the sensitive mechanism of the a - fe2o3 based nano - materials prepared by this work be the surface resistance controlled mode

    （ 3 ）首次進行了霍爾測量，並結合氣敏測試結果，從不同方面證實了摻錫- fe _ 2o _ 3納米半導體的導電類型是n型；綜合粉體的電導率?溫度曲線、元件的電阻?加熱電流特徵曲線、元件在不同氣氛下的電阻特性以及比表面積等測試表徵結果，得出本文所製成的- fe _ 2o _ 3基氣敏元件的氣敏機理特徵屬于表面控制型。
  18. In order to otain high quality zno thin films, we, for the first time, employ the plasma enhanced chemical vapor deposition ( pecvd ) to prepare high quality zno thin film at low temperature using a zinc organic source ( zn ( c2h5 ) 2 ) and carbon dioxide ( co2 ) gas mixtures. the effects of the growing condiction and the native oxide layer of si substrate on the quality of zno thin films was studied in detail. to prepare p - zno and overcome the dufficulty of reverse due to the interaction between the n atomic, we obtain high qulaity p - zno by a easy way of thermal zn3n2

    為了在低溫下制備高質量的氧化鋅薄膜，我們採用金屬有機源和二氧化碳氣源，首次利用等離子體增強化學氣相沉積的技術在低溫下制備了高質量的氧化鋅薄膜，系統地研究了生長條件以及襯底表面氧化層對薄膜質量的影響，確定了生長高質量氧化鋅薄膜的優化條件；為獲得p - zno材料，克服在zno中摻n雜質間相互作用影響摻雜效率不易獲得p - zno的困難，我們通過熱氧化zn3n2的方法制備了p - zno ，獲得了一系列研究結果： 1 、詳細研究了氣體流速比，襯底溫度和射頻功率實驗參數對氧化鋅薄膜特性的影響。
  19. Ohmic contacts on h2 - thermally - treated 6h - sic surface by evaporating aluminum without annealing have contact resistances of 8 10 - 3 - cm2 on room temperature and keep fairly good thermal stability under the temperature of 400. its ohmic properties do n ' t depend on the doping concentrations of the substrate, which enables us to form ohmic contacts on low dropped substrate especially on epitaxial layer

    通過氫氣處理6h - sic表面並鍍鋁后直接形成的歐姆接觸室溫比電阻率達到8 10 ~ （ - 3 ） ? cm ~ 2 ，溫度不超過400時該接觸具有較好的穩定性，其歐姆特性不依賴于襯底的摻雜濃度，是一種適宜在低摻雜襯底特別是sic外延片上制備歐姆接觸的有效方法。
  20. Among these methods, magnetron sputtering is the most widely used technique for preparing thin films, owing to its high deposition rate and good uniformity etc. ito films were prepared by rf and dc magnetron sputtering in pure argon gas atmosphere, using in2o3 and in target mixed with sno2 ( 10wt % ) and sn ( 7wt % ) respectively

    其中磁控濺射工藝具有沉積速率高均勻性好等優點而成為一種廣泛應用的成膜方法。本研究課題分別以氧化銦錫靶和銦錫合金靶為靶材，採用射頻磁控濺射和直流反應磁控濺射工藝在氬氣氣氛中沉積ito薄膜。靶材中sno _ 2和sn的摻雜重量比例分別為10和7 。
分享友人
分享到 Line

分享到臉書