氧氣元 的英文怎麼說

中文拼音 [yǎngqìyuán]
氧氣元 英文
oxygen unit
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 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...
  • 氧氣 : [化學] oxygen; oxygen gas
  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. Besides acting as agent of huzhou zhanwang pharmaceutical co., ltd. for a variety of adjuvant, we are also the agent for many imported adjuvant, such as new zealand wyndales lactose ; germany basfs vitamins and direct compression excipients ; france roquettes polyatomic alcohol ; germany sasols polyglycol ; switzerland givandans powdery flavoring essence ; usa cabots gas silica ; italy randi groups tartaric products ; uk crodas tween and span ; japan asahikaseis microcrystalline cellulose ; usa noveons carbopol resin, etc

    我公司除代理湖州展望化學藥業有限公司各種輔料，同時代理多家進口輔料，諸如：紐西蘭乳糖系列產品、德國巴斯夫公司維生素系列產品及直接壓片輔料；法國羅蓋特多元醇系列產品；德國沙索公司聚乙二醇系列產品；瑞士奇華頓粉末系列香精；美國卡博特公司氣相法二氧化硅；義大利拉第集團天然酒石酸系列產品；英國禾大公司吐溫，司盤系列；日本旭化成公司微晶纖維素系列產品；美國諾譽公司卡伯波樹脂系列等。
  3. Typical examples include common elements such as oxygen, helium and the relative new carbon - 60 ; the anaesthetic gases such as nitrous oxide lathing gas and ether, urea - the first man - made organic compound, consumer products such as adhesives and the sugar substituted aspartame ; dna the coil of life ; and the fiascos in the proclaimed discoveries of cold fusion and memory effect of water

    主要內容包括：氧、氦、笑氣、乙醚、碳60等元素及化合物的發現， 11 .第一個有機化合物的合成，各類日用黏貼膠的制備，代糖aspartame的發現， dna雙螺旋結構模型的釐定以及冷核聚變和水分子記憶功能兩項發現的鬧劇。
  4. Glutathione redox system as the important parts of defense systems was studied after exposure to sulfur dioxide at different concentrations. dna damage caused by so2 and lead acetate were also studied. protective roles of seabuckthorn seed oil on oxidative damage caused by so2 in liver and lung of mice were also investigated

    本文在整體動物水平上研究了不同濃度二氧化硫吸入后小鼠組織谷胱甘肽氧化還原系統（ glutathioneredoxsystem ）的動態變化規律；二氧化硫所致氧化損傷的防護作用研究；二氧化硫和大氣顆粒物中親氣性重金屬元素鉛對dna的聯合損傷作用。
  5. A novel ring - enlargement oxidation of polyphenyl substituted cyclopentadienes in air ( or molecular oxygen ) promoted by perchloric acid was described, in which an oxygen atom was inserted into the cyclopentadiene - ring, forming a six - membered pyrylium salts

    摘要報導了空氣（或氧氣）存在的條件下，由高氯酸引發多苯基取代環戊二烯發生新穎的碳碳鍵斷裂擴環反應，在此反應中，氧原子插人到環戊二烯環中形成相應的六元環吡喃鹽類化合物。
  6. Standard test method for vapor pressure of gasoline and gasoline - oxygenate blends dry method

    汽油和汽油元氧混合物蒸氣壓力的標準試驗方法
  7. Finally, nasa and the florida space research institute are sponsoring moonrox, the moon regolith oxygen competition. a 250, 000 prize goes to the team that can extract 5 kg of breathable oxygen from jsc - 1 lunar stimulant, a new lunar soil simulant developed under the auspices of nasa johnson space centre, in 8 hours

    最後，美國太空總署和佛羅里達太空研究中心，正贊助一項名為月球表土氧氣的賽事，提供25萬美元獎金給率先在八小時內能從美國太空總署莊臣太空中心的模擬月球土壤jsc - 1提取5公斤可呼吸氧氣的人。
  8. The temperature change during reaction of n - type metal oxide gas sensor

    型金屬氧化物氣敏元件的反應溫變
  9. According to finite element segmentation principle, by combining test with observation, the author has measured the air streamline and speed distribution of burning equipment in dally situation, which provides some guide for research of air field in hearth on cold and hot conditions. and the law is found of air speed distribution by measuring its speed and distribution of upper and lower deck on cold condition, thus it lays the foundation for analysis on hot condition. under four burning states, we measure the air speed in single, double - deck, and find out its corresponding distribution law

    5 .根據有限元分割原理布置測點，採用降溫方法，用k五江9106等儀器分別測出單雙爐排燃燒方式4種不同工況下，該燃燒設備爐膛內coz 、 02 、 co氣體濃度，並找到了隨爐膛高度方向及深度方向變化規律;從燃燒原理分析評價了2種燃燒方式爐膛內coz 、 02 、 co氣體濃度場分佈特點及相應燃料層內乾燥、干餾、氧化、還原、灰渣層厚度，肯定了雙層爐排燃燒方式爐膛中c02 、 02 、 co氣體濃度場分佈合理性，從燃燒理論找出了最佳濃度場分佈狀態及燃料層內各反應層厚度。
  10. High efficiency composite catalysts coated on mental carrier, with electrical heated and oxidation - catalysis technology, have a good conversion efficiency. maintenance 20, 000km ; durability 100, 000km. using automobile : comply with the eu - ii emission standard

    採用金屬基過濾，結合電加熱和氧化催化技術，對柴油機車排氣中的co hc nox和微粒等污染物有很好的四元凈化效果。
  11. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象，在闡述了曝氣過程式控制制參數選取可行性的基礎上，建立了以溶解氧濃度do和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論，在現有關于污水處理最優控制問題研究的基礎上，建立了有約束條件多變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件，曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化，並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元，應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解，並進行模擬實驗驗證。
  12. Test mehods for gas sensors of metal - oxide semiconductor

    金屬氧化物半導體氣敏元件.試驗方法
  13. A pid controller based on artificial neural network was designed to control the flow - rate of oxygen and the recycled exhaust gas. good control effects were obtained through simulation

    設計了基於單神經元的pid控制器對閉式循環柴油機的氧氣流量和廢氣再循環量進行了控制，通過模擬得出了較好的控制效果。
  14. Iron, which plays a crucial role in oxygen transportation ; 20 milligrams / day for high - mileage runners ; symptoms of low - iron status may include fatigue and headaches

    鐵：人是鐵飯是鋼一頓不吃餓得慌。人體里鐵元素扮演著氧氣運輸的重要角色，沒有氧氣怎麼辦吶？
  15. These materials cause an overgrowth of algae and further deterioration, including oxygen depletion

    這些元素導致藻類的過快生長和進一步的惡化，包括水中氧氣的耗竭。
  16. Exhaust gas oxygen sensor ( ego ) which is installed in the exhaust pipe of the engine is a significant component in the electronic fuel injection. it has the ability to probe the concentration of oxygen in the exhaust pipe, and can transfer concentration signal to voltage signal which is passed to electronic control unit ( ecu ). in this way the air - fuel ratio can be controlled to the strait range of stoichiometrical point and the three - way catalytic converter consequently can work better

    車用氧傳感器是電噴系統的關鍵部件，安裝在發動機的排氣管上，能夠探測排氣管中的氧氣的濃度，然後將濃度信號轉變成電壓信號並傳送給電控單元ecu ，從而把空燃比控制在理論空燃比附近，配合三元催化反應器進行后處理凈化。
  17. By the former experiment, we know that the fiber optic gas sensor with the pulse light of the blue light led can emit the steady fluorescence. so we can detect the density of oxygen through

    技術方案上採用數字脈沖激勵led藍紫光源照射敏感元件獲得穩定的熒光信號，再通過測量熒光壽命檢測氧氣濃度。
  18. It goes without saying that oxygen is the most active element in the atmosphere

    不言而喻，氧氣是大氣中最活潑的元素。
  19. Based on mos capacitive oxygen micro - sensor, the structure of mosfet oxygen micro - sensor was presented. the heater and temperature sensor are integrated into the device

    以mos電容式氧氣微傳感器的分析為基礎，設計mosfet氧氣微傳感器結構，在器件中集成了加熱元件和測溫元件。
  20. Maintenance standards for civil aircraft. unit 3 : ground maintenance facilities. part 79 : oxygen accessories shop

    民用航空器維修標準.第3單元：地面維修設施.第79部分：氧氣附件車間
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