oxygen value 中文意思是什麼

oxygen value 解釋
氧值
  • oxygen : n. 【化學】氧,氧氣。
  • value : n 1 價值;重要性;益處。2 估價,評價。3 價格,所值;交換力。4 (郵票的)面值。5 等值;值得花的代...
  1. When the thickness increases up to a critical value, about 30 nm, the spotty rheed pattern gradually changes to streaky pattern, and the rheed oscillation curve appears. the rheed pattern of the ultra thin lno film deposited in the relatively high oxygen pressure is streaky pattern. with pumping the oxygen pressure to the relatively low value, the streaky rheed pattern gradually changes to spotty one

    我們發現在較低的真空度下,即氧分壓處於2 10 - 4pa和3 10 - 3pa之間, lno晶格中的一個o2 -將會轉移兩個電子給兩個ni3 + ,並且移動到薄膜表面形成o2被泵抽走,從而導致鈣鈦礦結構的垮塌,其相應的rheed圖樣呈現出清晰而明亮的點,表明表面為較為粗糙的三維島狀結構。
  2. When increasing the oxygen pressure, the rheed pattern changes to streaky one again. this rheed pattern transformation induced by the oxygen pressure is reversible. ex situ xps results indicate that the element ni of lno film deposited in the relatively low oxygen pressure with thickness below the critical value exists in the form as ni2 +, while as ni3 + in the relatively high oxygen pressure

    隨著膜厚增加而超過約30nm的臨界厚度時,越來越多的晶格氧會移動到了薄膜表面,此時所提供的氧將使得后續生長的lno膜層重新形成鈣鈦礦結構,並以層狀方式外延生長。
  3. Total kmno4 consumptions by lignin in both pulp and effluent were measured and the difference of this value from the kmno4 consumption by lignin in original unbleached kraft pulp was used as the indication of the extent of oxidation that lignin in the pulp experienced during oxygen bleaching

    該方法對溶出殘餘木質素的氧化結果分析發現其呈明顯3個階段:第一段木質素氧化的當量電荷數約4 ~ 5 /木質素單元;木質素總氧化電荷數大約為9 /木質素單元。
  4. Based on research progress on economic value of ecosystem services, taking shenzhen for instance, the authors analyze the functions of ecosystem services such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises. economic values of all the six kinds of ecological service functions are calculated

    綜述國內外生態系統服務功能價值評估相關研究進展,以深圳市為例,運用生態經濟學原理與方法,闡釋了生態系統調節氣候固碳釋氧保持土壤涵養水源凈化環境和減弱噪聲等生態服務功能,對其經濟價值進行評估。
  5. Based on theories and methods of ecological economics, we explain the functions of ecosystem services in chengdu city, sichuan province of china such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises, and estimate the economic value of it

    摘要運用生態經濟學原理與方法,闡釋了成都市生態系統調節氣候、固碳釋氧、保持土壤、涵養水源、凈化環境和減弱噪聲等生態服務功能,對其經濟價值進行評估。
  6. 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。
  7. The hematoporphyrin sensitizer used in photodynamic therapy produce toxic substance through translating energy to oxygen molecule, so the distribution of oxygen in tissue have special value as there has consumption of oxygen during photodynamic therapy

    光動力療法使用的葉琳類光敏劑主要是通過將能量轉移到氧分子產生單線態氧來產生毒性物質,因此在光動力治療中有氧的消耗,使組織中氧分佈對光動力作用具有特殊意義。
  8. Improved substrate : activated sludge to improve the bottom of the anaerobic environment, greatly reduce the hydrogen sulfide produced, the lower organic oxygen consumption and improve dissolved oxygen, water conditioning stability ph value

    改良底質:活化污泥,改善池底的厭氧環境,大大減少硫化氫產生,降低有機物耗氧量,提高溶氧,調節穩定水體ph值。
  9. By studying the growth speed on its culture media and the growth pattern, we selected the most appropriate one as the culture media for cg and detailed in the selection experiments of ph value, carbon and nitrogen source, the growth period, inoculating amount and the capacity of oxygen accommodation

    通過對其在培養基上生長速度、生物量及生長規律的研究,篩選出最佳培養基作為基礎培養基,進行ph值試驗,碳、氮源試驗、生長周期以及接種量和溶氧量試驗。
  10. Determining oxygen saturation in human blood by transmittance oxymetry is well developed as a monitoring technique, which is applied widely in clinical diagnosis or house health care. however, reflectance detecting is necessary in many circumstances, such as cerebral oxygen saturation, muscle oxygen saturation, or fetal oxygen saturation monitoring. how to get an exact and dependable reflectance oxygen saturation value by non - invasive and economic means is always concerned by researchers in biomedical engineering

    採用透射式檢測方法確定人體血液中的氧飽和度已經是較為成熟的監護手段,在臨床和家庭保健場合有廣泛的應用;但在很多需要進行反射檢測的場合,如腦血氧、肌血氧、胎兒血氧監護等,如何用無創、經濟的方法獲得準確、可靠的血氧飽和度值仍是生物醫學工程領域不斷在探索的問題。
  11. The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air

    研究表明, uhmwpe纖維經電子束輻照處理后,纖維的拉伸斷裂強度隨劑量率的增加呈下降趨勢,凝膠含量隨著劑量率的變化存在極值。纖維表面出現了不規則的微裂紋和凹痕,隨著劑量的增大,電子束對纖維表面的刻蝕程度增加,在本研究中以劑量為400kgy劑量率為8 . 5kgy s時刻蝕效應最為明顯。同時,在空氣中進行輻照時,纖維表面被引入了一些含氧基團,包括羥基、羰基和羧基。
  12. 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。
  13. Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal

    本文以msp430f149晶元為控制器,設計硬體電路提取脈搏波信號,連續檢測脈搏波峰?峰值,計算氧飽合度。本課題採用了基線自動調節電路,以克服不同人體生理差異引起的基線漂移;設計了直流截取電路和可控積分放大電路,以滿足臨床連續監測的特殊需要,解決信號飽和問題。
  14. The magnitude of the conductivity maximum increases and shifts to lower temperature with increasing sr content. in this paper, the electrical conductivity reaches maximum value at x = 0. 4. below the temperature corresponding to the maximum value, the electrical conductivity is found to follow the relationship for the small polaron hopping mechanism, charge compensation of oxygen vacancy dominates electrical conduction at high temperature, and oxygen vacancy acts as traps to catch carriers, resulting in the decrease of carriers concentration and mobility

    通過電學和熱學性能測試結果表明,電導率隨著sr含量的增加以及溫度的變化都出現了極大值,在本論文中,在sr含量為0 . 4時電導率值最大,電導率最大值對應的溫度隨著sr含量的增加而降低,這是由於在低溫下以小極化子導電機理為主,在高溫階段則是氧空位的電荷補償占據主導作用,氧空位使得載流子的濃度和可動性減弱,從而導致電導率降低。
  15. After annealing at 600, because of formation of multi - vacancy - type defects that have long positron lifetime, positron annihilation average lifetime increased. when the average positron lifetime increased to maximum value ( 360ps ), the interstitial oxygen concentration decreased to minimum value ( 4 1017atoms / cm3 ). this result suggested that oxygen was involved in the formation of multi - vacancy - type defects

    正電子湮沒技術測試證明,快中子輻照直拉硅中在大約600退火時產生的多空位缺陷具有較長正電子壽命,可以使正電子平均壽命增加,當樣品的正電子平均壽命達到最大時( 360ps ) ,其間隙氧含量降到一個極小值( 4 10 ~ ( 17 ) atoms / cm ~ 3 ) ,這說明氧參與了這些缺陷的形成。
  16. Experiment results show that, with the increase of frequency and swing, the dispersing, physical and flame retardant performances are improved greatly, tension strength, impact strength and oxygen index have increased about 32 %, 39 % and 10 %, and finally arrive a steady value

    實驗結果表明:隨著振動頻率和振幅的增加,無機阻燃劑的分散性能、製品的力學性能和阻燃性能也會相應增加,拉伸強度、沖擊強度和氧指數可分別提高約32 % , 39 %和10 % ,但其增加的速度是逐漸減少的,並最終達到一個穩定值。
  17. Aiming at the coal under the building, rail and water, difficultly - mined coal and the side of strip mine, hardly mined, but it is utilization for the ucg study on field test of air coal gas, water coal gas, rich oxygen coal on the side of strip the side of strip mine mine of fu xin, using the ucg for the mineral well, getting the method for building stove of ucg, obtain different coal gas group and heat value for the different gasification craft high volatile, multiple thin coal seams on the side of strip mine are suitable to underground coal gasification to produce middle low heat value gas

    摘要針對「三下」煤層,難採煤層,復雜煤層以及露天邊坡剩餘的煤炭資源,並工開采不經濟或難以開采,可利用煤炭地下氣化將這些殘余資源得以回收利用,試驗利用礦井式煤炭地下氣化方式,對阜新礦露天邊坡進行了空氣煤氣、水煤氣、富氧煤氣的工業性試驗研究,通過煤炭地下氣化工業性試驗,得出在露天邊坡礦井式氣化建爐方式,不同氣化工藝的煤氣組分,熱值。
  18. Compared with pl of pure nanotube, the emission peak energy shift value was larger. this may result from the formation of oxygen vacancies in the nanotube during the process of surface - modification

    ( 2 )使用十六醇對納米管鈦酸進行了化學修飾,結果表明納米管表面與十六醇發生酯化反應。
  19. Taking the soft ? sensing of oxygen content in flue gas, unburned carbon content in fly ash and coal load in ball mill as examples, we emphatically analyze the current status, modeling method of their soft ? sensing and the secondary variable selection in the soft ? sensing ; and also summarize some other thermal parameter soft ? sensing techniques in our country, which is a guidance for the development of the thermal parameter soft ? sensing technique in power plant, and has some value for the optimization of thermal control systems

    以煙氣含氧量、飛灰含炭量、球磨機負荷為例,著重分析和總結了其測量的現狀、軟測量建模方法和二次變量的選取,並概括了國內現有的其他熱工參數軟測量技術,對火電廠熱工參數軟測量技術的發展具有一定的指導意義,對熱工控制系統的優化具有一定的參考價值。
  20. When the thickness increases to upon the critical value, the chemical valence of element ni in the top layers of lno film deposited in the relatively low oxygen pressure is + 3

    當氧分壓在臨界值以上時, lno薄膜在整個沉積過程中(膜厚小於30nm )的rheed圖樣是條紋狀,表明層狀方式外延生長的特徵。
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