oxygen level 中文意思是什麼

oxygen level 解釋
含氧量
  • oxygen : n. 【化學】氧,氧氣。
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  1. Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone

    本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等,參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。
  2. Researchers said the zircon ' s high level of heavy oxygen isotopes suggest it was cooled by surface water after it formed

    研究人員說鋯石的高標準重氧同位素暗示了它形成之後靠地表水來冷卻。
  3. Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge

    主要產品包括:數字壓力表,數字膜盒壓力表,數字溫度表,數字壓力變送器,數字溫度變送器,數字液位計,數字防爆電接點壓力表,一般用壓力表真空表壓力真空表氧氣表電接點壓力表防爆電接點壓力表耐震電接點氨用電接點磁助式電接點壓力表耐震耐高溫耐酸耐堿耐氯耐硫全不銹鋼壓力表隔膜壓力表沈陽市優質產品精密壓力表出風壓力表膜盒壓力表膜片壓力表全不銹鋼膜片壓力表鈦壓力表及出口全不銹鋼,充油全不銹鋼系列壓力表,壓差表,壓力變送器,各種軸向軸向帶邊法蘭連接等多種形式。
  4. The degree of quenching correlates to the level of oxygen pressure

    淬滅度與氧壓力水平相關聯。
  5. Effect of jianpi bushen formulation on the level of mitochondrial membrane potential and endocellular reactive oxygen species in mgc - 803 cells

    803線粒體膜電位和細胞內活性氧的影響
  6. This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication

    本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法;選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象,設計了以個人計算機為上位機、以8098單片機為下位機,並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。
  7. It indicated that not only can spirulina cells grow photoautotrophically and photomixtrotrophically, but also can grow heterotrophically under some specific conditions. light intensity, light quality, temperature, species and concentration of metals, rare earth elements and vitamins, salinity, cell concentration, dissolved oxygen level and magnetic filed etc., all play important roles in photosynthetic performance and cell productivity of spirutina

    認為螺旋藻細胞不但能進行光合自養和混合營養生長,而且在某些特定的環境條件下,還能進行異養生長;光照強度、光質、溫度、金屬元素、稀土元素、鹽度、藻體細胞濃度、溶氧水平、維生素、激素和磁場等環境因素對螺旋藻細胞的光合性能和細胞產率都有顯著影響。
  8. Ultraviolet rays from the sun decomposed into atomic oxygen molecules into the atmosphere at the highest level ( the ionosphere ) the main ingredients

    來自太陽的紫外線把氧分子分解成原子,成為了大氣最高層(電離層)的主要成份。
  9. The 71 glacier is 4, 600 meters above sea level and people normally develop the high altitude syndrome when climbing it, because of the severe lack of oxygen at this elevation

    七一冰川的海撥高度是4600公尺,一般人去到那裡,幾乎都會因為嚴重缺氧而發生高原反應。
  10. After increased the image digitization technology, the post - processing technology, the blood oxygen analysis technology and the ultrasonic analysis, enhanced the diagnosis coincidence rate to the breast block ' s position and size, benign or malignant, pouch or solid, specially the blood oxygen analysis function reflects the organization metabolism condition, remarkably raised the diagnostic analysis level

    該機增加了影像數字化技術、后處理技術、血氧分析技術及超聲分析后,對乳房內腫塊的位置大小,良、惡性,囊實性,提高了診斷符合率,特別是血氧分析功能在一定程度上反應了組織代謝狀態,顯著提高了診斷分析水平。
  11. The results were as follows : for the sweet potato leaves treated with baccillus spp. inoculation, the transpiration rate and stomatal conductance were both significantly higher than those of the control, which decreased with the increase of fusarium oxysporum f. sp. batatas content ; the mda content decreased, thus the metabolism of the plant active oxygen protective enzyme system increased ; whereas the metabolism level of active oxygen protective enzyme system decreased

    結果表明:接種芽孢桿菌菌株后,甘薯蔓割病病原菌含量下降,同時甘薯葉片的mda含量也降低,植株的活性氧保護酶系統代謝水平提高;但處理組的甘薯葉片活性氧保護酶系統代謝水平下降。
  12. The relationship between formaldehyde content and the level of air oxygen consumption in indoor air

    室內有機污染監測中甲醛與空氣耗氧量的關系
  13. Stability of main steam pressure is the foundation of the key parameter stability ( include the main steam temperature, the vapor pack water level, the oxygen content in the smoke etc. ) in the units, deb system increase the dependability and the economy greatly with the settlement of the energy ' s equilibrium between the boiler and the steamer

    本機組利用先進的硬體設備dcs和優化的控制策略deb ,圓滿解決了機組協調控制系統中主汽壓力穩定性及負荷適應性這一主要矛盾。主蒸汽壓力穩定是機組一切關鍵參數(包括主蒸汽溫度、汽包水位、煙氣含氧量等)穩定的基礎, deb系統解決了機組鍋爐和汽輪機之間能量平衡,使機組可靠性和經濟性大大提高。
  14. The results show that c. chinensis extract can prevent pc 12 cells apoptosis induced by reactive oxygen species ( ros ), intensify cells viability, inhibit proteins expression related to apoptosis, regulate cell cycle, increase the level of sod and gsh, and decrease the product of mda

    它不僅能提高細胞活力,調節細胞中凋亡相關基因的表達,而且還能調控細胞分裂周期,提高神經分化的pc12細胞中sod和gsh的含量,降低mda水平。
  15. The results suggested that the dissolved oxygen in fresh grape wine gradually decreased after wine - filling into the barrel and its content in wine reached a steady level three months later, the dissolved oxygen content in wine varied with the liquid depth ( the deeper point in the barrel, the less of the dissolved oxygen content, however, the change trend were the same ), and for the barrels made of different wood materials, there was difference in the dissolved oxygen content in the initial three months during wine storage and such difference disappeared three months later

    結果表明,新鮮酒入桶后,酒中的溶解氧逐漸減少, 3個月後達到穩定值;在橡木桶中,距液面深度不同的葡萄酒中的溶解氧含量不同,愈深含量愈低,但溶解氧的變化趨勢一致;在桶貯的初始3個月內,不同板材製作的橡木桶中酒的溶解氧含量有差異, 3個月後趨於一致。
  16. In this paper the research general situation of the resisted oxygen capability of biodegradable engine oil is described. the tribology and lubrication characteristic, lubrication mechanism of the main tribo - pairs of gasoline engine and the biodegradable engine oil " s demands on resisted oxygen capability are analyzed simply. in the paper some additives are chosen reasonable according to the lubrications principal and a lot of data. the uniform design of experiment is used to arrange multi - level and multi - factor experiment

    本文介紹了可生物降解潤滑劑抗氧化安定性的研究概況,通過分析汽油機主要摩擦副的摩擦磨損和潤滑狀態以及可生物降解潤滑油在抗氧化安定性和可生物降解性能方面的要求,在潤滑理論的指導下和參閱了大量資料的基礎上,合理選擇了各種添加劑。
  17. We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band

    另外,我們還對薄膜光致發光性質進行了分析和研究,結果表明:納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光, pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小,使薄膜的有效帶隙增寬; zno薄膜的紅色發光,一方面是zno顆粒尺寸的減少,帶間的激子發射峰越來越弱直至猝滅,另一方面主要是與zno晶格中的o空位有關,由深能級復合發光引起紅光發射。
  18. The yeast strain 12y - 5 was identified at the species level using two yeast taxonomy systems published by. j. w. kreger - van rij ( 1984 ) [ 24 ] and j. a. barnett ( 1983 ). [ 19 ] in addition, the ability to assimilate several compounds as main sources of carbon and nitrogen was evaluated at the 500ml shake - flask and 3. 7l kfl bioreactor scales. effects of ph, temperature, concentration of dissolved oxygen and utilizable sugar on the growth rate of cells and the rate of the conversion of substrate into biomass were studied

    進而用正交試驗法對該酵母生長的培養基配方及影響生長的重要理化因素進行了較為深入的研究,在此基礎上對影響生長的重要理化因素進行了寬范圍的測驗:並以搖瓶最佳的培養條件為基礎,在3 . 7升kfl -生物反應器上進行了放大試驗。
  19. Scientists are not certain why the oxygen level dropped.

    科學家們現在還不能斷定為什麼含氧量會下降。
  20. Officials say air sample show oxygen level that can support life

    官方人士稱空氣樣本顯示那的氧氣能夠支持生命的延續。
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