示氧值 的英文怎麼說

中文拼音 [shìyǎngzhí]
示氧值 英文
oxygen index
  • : Ⅰ動詞(擺出或指出使人知道; 表明) show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] (給...
  • : 名詞[化學] (氣體元素) oxygen (o)
  1. Cohb can be considered as an indicator of co exposure.

    化碳血紅蛋白可以看做一化碳暴露的指
  2. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  3. Abstract : a vertical sandwich deep trench with a field limiting ring is proposed to improve the breakdown voltage of power devices and high voltage devices. simulation result shows that nearly 100 breakdown voltage of the plane junction can be realized

    文摘:提出一種二化硅/多晶硅/二化硅夾心深槽場限制環新結構來提高晶體管的擊穿電壓.模擬結果顯,該結構可以使射頻功率雙極性晶體管的擊穿電壓幾乎100達到平行平面結的理想
  4. In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively

    2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺,而讓電化學勢呈負數化學需量顯有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。
  5. And the no - isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small - scale waves. the propagation of gravity wave will affect the distribution of minor species. the breaking of gravity wave accelerates the downward transport of atomic oxygen, some smaller - scale structures appear on the horizontal distribution of atomic oxygen number density, and other chemical species are also affected due to the chemical reaction with atomic oxygen and the propagation of gravity wave

    在重力波的傳播過程中,氫大氣成分的水平和垂直分佈均受到了不同程度的影響,以原子的響應最為明顯,而其中重力波破碎在原子水平分佈上的反應則是非線性重力波過程的一個重要表現;另外,分析顯,重力波的非線性傳播對oh氣輝的峰分佈由明顯影響,小尺度重力波的傳播有時會引起oh氣輝出現奇異的雙峰分佈,重力波的破碎現象也可以從對氣輝的觀測中反映應出來,這對利用氣輝觀測研究重力波傳播特性有非常重要的指意義。
  6. In this case, the value of fdg - pet for earlier detection of recurrent lymph node metastases after rt was demonstrated

    本病例顯了氟- 18 -去葡萄糖正子攝影在早期治療的復發性淋巴轉移上的高度價
  7. General model c38 dc meters are portable taut - band suspended moving coil instruments with light - spot indication. the meters have the feature of extremely high in sensitity and small in consumpition being particularly suitable to be used for measuring weak electric quantity on dc circututs, also for testing the static paramenters of transistors as well for measuring the output of millivolt values of zhermocouple in the vacuun furnaces ( or hydrogen furnaces )

    C38型直流電表是磁電系張絲支承光點指可攜式電表儀表具有極高的靈敏度,功耗小,特別適合弱電量直流電路測量及晶體管靜態參數測試用以及用做真空爐(或氣爐)中測量熱電偶的輸出毫伏
  8. Discussing about indication error of film electrode dissolved oxygen meter

    覆膜電極溶解測定儀誤差的探討
  9. It is found that after stressed by surges the varistors show a decrease in both break - down voltage and nonlinear exponent, and an increase in leakage current

    實驗結果顯化鋅變阻器受突波侵襲后,會生成崩潰電壓降低,非歐姆指數減小,以及漏電流增加等劣化現象。
  10. The information of the carbon and oxygen isotopes in the ground - water ' s in carbonate plays an indicated role in the seperation the ground water system. and in the end of the paper, some prelimilary suggestion have been naturally put forward for the stop of the leakage in the dam foundation

    中稀土sm tb的比反應了水巖相互作用過程中巖溶作用以及黃鐵礦化作用的強弱。地下水中碳酸鹽碳同位素的信息對地下水系的劃分起到指作用。最後,對壩基的防滲提出初步的建議。
  11. The epd s long - term monitoring data indicates that the electrochemical potential of the sediment at sam ka tsuen typhoon shelter which reflects its oxygen content was substantially raised became less negative as a result of the bio - remediation programme, and the total sulphide level hydrogen sulphide gas, the source of the bad odour was significantly reduced

    環保署的長期監測數據顯,三家村避風塘的沉積物經生化處理后,其電化學勢反映水含量大幅提高負數降低,而總硫化物水平導致臭味的硫化氫氣體來源則明顯下降。
  12. This method measures the reduction over time in the overall organic pollution load in a given river catchment area, expressed in terms of kilograms of biochemical oxygen demand per day kg bod day

    這套方法通稱為污染減幅量,可計算個別河溪集水區某一段時間內有機污染物總量的減幅,這是以每日生化需量千克數千克生化需量日。
  13. The changes of specific surface area before and after sintering were measured by nitrogen adsorption. the results show that the surface of sioi particles become coarser along with the remove of polymer template, but the particle size keep no change. the composite microspheres include more uf polymer under low ph value but turn into more looser under high ph value, so the result mesoporous sioi microspheres have big pore volume and average pore size

    對脲醛sio _ 2復合微球進行熱處理后得到介孔二化硅微球,用差掃描量熱( dsc )熱重( tg )分析研究了脲醛sio _ 2復合微球的脫水、脫醇及有機物炭化分解的過程;用氮氣吸附法分析了不同ph、熱處理溫度對介孔二化硅微球的比表面積及孔結構的變化影響;用sem表徵了不同ph下二化硅微球的形貌變化。
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