oxygen ratio 中文意思是什麼

oxygen ratio 解釋
酸度系數
  • oxygen : n. 【化學】氧，氧氣。
  • 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 understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements

    摘要近20年由於氣相同位素比值質譜儀的改良和氫、氧、碳、氮和硫等穩定同位素的廣泛研究，穩定同位素的研究技術已實質增加我們對于這些元素在自然生態系中生地化循環的了解。
  2. In recent years at iron - making plant of pangang, the coke ratio of pig iron has reduced evidently by insisting on “ burden preparation ” course, improving quality of sinter, raising wind temperature, increasing rich oxygen quantity and injecting abundant pulverized coal into bf. the solid fuel consumption of sinter has been decreased greatly through insisting on using high - quality calces, practising high feed sintering, actualizing many techniques in solving key problems. at the same time, the energy source base management has been strengthened, and energy - saving work has made great progress, profits generated by energy - saving have exceeded a hundred million yuan

    近年煉鐵廠通過堅持「精料」方針，改善燒結礦質量，提高風溫，增大富氧，實施大噴煤，使入爐焦比有明顯下降；燒結堅持用好生石灰，推行厚料層燒結，實施多項技術攻關，固體燃耗大幅度下降；同時加強能源基礎管理，節能工作取得長足進步，節能創效益1億元以上。
  3. Kds of 125i ~ on several minerals increased with increase of mineral ratio in mixed materials under atmosphere and low oxygen ambience ; and decreased with decrease of ratio of mixed materials and liquid under atmosphere. under the same condition, kds of 125i " on chalcopyrite and galenite were larger than kds of 125io3 "

    大氣條件下，隨溶液初始ph值的增大， 125i -在黃銅礦、方鉛礦上的kd值均呈減小的趨勢；而在低氧條件下，隨溶液初始ph值的增大， 125i -在方鉛礦上的kd值增大。
  4. Determination of the oxygen uranium ratio in uranium dioxide nuclear fuels

    二氧化鈾核燃料中氧鈾比例的測定
  5. The flame - retardant and mechanical properties of the frp specimens with different fra ratio were investigated. it is shown that the oxygen index of the resin with the ratio of 15wt % of the fra reachs 28. the specimens are quenchable without any outer forces, however, the bending strength of the specimens decreases significantly

    研究了不同阻燃劑含量frp的阻燃性能和力學性能，結果表明，阻燃劑加入量為15wt %時， frp氧指數達到了28以上，使該材料達到自熄級水平，但其彎曲強度下降較大。
  6. Occasionally enriched air or supple mental oxygen is available and a greater ratio of secondary reforming to primary reforming is possible.

    偶爾有富氧空氣或補充氧的，因而二段轉化對一段轉化的大比例是可能的。
  7. Standard test method for the determination of uranium by ignition and the oxygen to uranium atomic ratio of nuclear grade uranium dioxide powders and pellets

    用點火和核級二氧化鈾粉末和顆粒的氧鈾原子比測定鈾的標準試驗方法
  8. The results are as follows : as the sputtering pressure increases, the atomic ratio of o to ti increase in the films, which is attributed to the fact that the absolute oxygen content increases, as the pressure increases despite the ratio of 62 to ar remains unchangless

    結果發現：在氧氣、氬氣分壓比不變的條件下，薄膜表面o和ti原子比增大，這可能是由於濺射氣壓增大，而氧氣與氬氣比未變，真空室中氧氣的絕對含量增加，參加反應的氧原子數增加的緣故造成的。
  9. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  10. Begin with the comparation of two widely used methods producing the strontium titanate, the oxalate decomposition method shows its advantage hi the microstructure and future performance. the effect of caco3 is studied, and so is the effect of the donor dopant, such as nb2o5, y2o3 and la2o3. the dopant of tio2 is also considered, which involve ti / sr ratio, sintering temperature, oxygen partial pressure, donor dopant, grain growth and future electric performance

    從對比草酸鹽分解法和固相合成法這兩種制備srtio _ 3主晶相的方法開始，在予合成料的制備過程中分析了施主nb _ 2o _ 5 、 y _ 2o _ 3 、 la _ 2o _ 3以及caco _ 3所產生的影響；在tio _ 2摻雜的問題上，綜合考慮了ti / sr比、燒結溫度、氧分壓、施主摻雜、晶粒的微觀生長與成瓷后的元件宏觀電性能等之間的相互關系。
  11. To let more domestic relevant researchers understand the applicable techniques of stable isotopes, this article not only introduces the principles of isotopes measurements by gas isotope ratio mass spectrometer, but also integrates the experiences of hydrogen, oxygen, carbon, nitrogen, and sulfur isotopes in agriculture and environmental applications that were described in papers

    為讓國內更多相關研究人員了解穩定同位素技術的可利用性，本文描述氣相同位素比值質譜儀之分析原理，及整理氫、氧、碳、氮和硫等同位素在農業及相關生態環境研究上應用的文獻。
  12. Among the stardust particles, the investigators found that the ratio of oxygen isotopes was similar to that found in meteorites formed in the inner solar system

    調查人員發現在星塵樣品中氧同位素的比例與形成與太陽系中心的隕石類似。
  13. Up1up8o up1up6o method for determination of stable oxygen isotope ratio 18o 16o of water from fruit juices, using isotope ratio mass spectrometry

    利用等離子比質譜測量法測定果汁中水的穩定氧等離子比
  14. Moreover, the tio2 film particles distribute more uniform and join tightly with the increasing of power, but the surfaces of films become closer and smoother when pressure increased or the ratio of oxygen decreased

    提高功率可提高膜的覆蓋度，使濺射膜顆粒分佈均勻，結合更加緊密。提高壓力或減小氧氬比，可使濺射膜的顆粒更加密集。
  15. Its oxygen - sensitivity is related to its oxidation and reduction process and non - stoichiometric ratio. in la _ 2nio _ 4 + system with excess oxygen, the conductivity is in proportion to o21 / 6. the effect of doping on a and b site have been studied in this paper

    其本身的氧化還原過程和非化學計量是其氧敏性的根源，在氧過剩的la _ 2nio _ 4 +系統中載流子濃度與氧分壓的1 / 6次方成正比。
  16. The n type carrier was provided by interstitial zn atom, and zn / o ratio and crystalline quality of zno thin film effeted its hall mobility. when zno thin film was annealed in the ar ambience, p conduction type was founded in the zno thin film which grew in oxygen enrichment condition. this might be excess oxygen in zno thin film entered interstitial position of crystal lattice ( oi ), and p type carrier was from oi

    在ar氣保護下，對富氧條件下生長的zno薄膜的退火后的霍爾測量中發現， zno薄膜呈現p型導電狀態，分析認為，這可能是由於富氧狀態下生長的zno薄膜中過量的o在ar氣保護下退火沒有逸出薄膜，反而進入了zno薄膜的間隙位置，成為正電中心，使zno薄膜呈現p型導電。
  17. These results very close to engineering fact, then analyzed mostly factors : oxygen - coal mole ratio which affect cws gasification process and coal gas component on outlet, also advanced any measures to increase coal gas effective component ( co + h2 ) on outlet

    得到了氣化爐內的溫度場、流場、濃度場以及出口粗煤氣成分，其結果與工程實際相比非常接近；並利用得到的結果分析了影響水煤漿氣化過程和出口煤氣成分的主要因素即氧煤比，提出了提高出口煤氣有效成分（ co + h2 ）的措施。
  18. This system finished supervisory control of boiler burning, sampled signals through sensors and calculated the signals whether reached the best content of oxygen and the best wind - coal ratio. using it controls the quantity of coal, entering wind and sending wing for reaching the best thermal efficiency of burning and improving economy benefit of boiler running

    系統對鍋爐燃燒進行監控，通過傳感器采樣信號，計算是否達到最佳含氧量、最佳風煤比，來控制給煤量、引風量和送風量，使燃燒達到最佳熱效率和提高鍋爐運行的經濟效益。
  19. The results showed that the melting ratio of silica flux decreases and the complete melting time prolongs with the size of silica flux and matte grade increasing, and the effect of the blowing air and oxygen enrichment is not remarkable in the high grade copper matte converting process

    對于高品位冰銅轉爐吹煉，鼓入氣體流量和氧濃度對石英熔劑熔化率影響不顯著；熔劑粒度和冰銅品位對熔化率影響顯著，並隨著熔劑粒度和冰銅品位的增加，熔劑熔化率降低，完全熔化時間延長。
  20. The air - fuel ratio closed loop control adjusts the air - fuel ratio near the theoretical value by controlling the supplementary air of supplementary valve based on the signals of oxygen sensor, running speed and water temperature and which is necessary condition for three - way catalyst converter to work more efficiently

    空燃比閉環控制是根據氧傳感器、轉速和水溫信號，控制化油器后補氣閥補氣將空燃比控制在理論值附近，為三元催化轉換器高效工作準備必要條件，使其最大限度降低尾氣排放。
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