空氣純度 的英文怎麼說

中文拼音 [kōngqìchúndù]
空氣純度 英文
air purity
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 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...
  • 純 : 形容詞1 （純凈; 不含雜質） pure; unmixed 2 （純粹; 單純） simple; pure and simple 3 （純熟） skil...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 空氣 : 1 （大氣） air; atmosphere 2 （氣氛） atmosphere 3 （氣閘） air brake4 pneum ; pneumo ; pneumat ;...
  • 純度 : fineness; pureness; purity; purity quotient; rate of purity
  1. Oxygen obtained from liquefied air is usually about 99. 5% pure.

    由液化空氣所取得的氧其純度通常約為99.5%。
  2. Using mass flux controller ( mfc ), gas regulation system achieved accurate mix of two kinds of gases, steel bottle gas ( some compressed gas ) and zero air ( pure air ). for the sake of data transmission between dynamic air regulator and other equipments in the monitoring air quality system, normal digital interface ( rs - 232c ) make correlative role of communication interface so that automatic survey could be achieved

    本儀器採用國際先進的自動控制配氣原理，採用精密質量流量控制器（ mfc ）來控制鋼瓶氣（某種壓縮氣體）與零空氣（純凈無污染的空氣）的混合比來得到精確濃度的校準氣體，以便於對各種氣體監測儀進行高精度校準。
  3. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。
  4. 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，且伴有氧化分解反應；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，擬合曲線基本能表示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值；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 。
  5. The substitution of evacuated powders for high vacuum alone will usually improve the insulation by reducing the radiant heat transfer.

    只需用抽空氣體的粉末而不用單純的高真空，一般便可減少輻射熱傳輸，從而提高絕緣度。
  6. The sunlight gives just about the right warmth, never too warm ; the wind ' s breath is tame, more so because it is blown through those flowery mountain forests, it brings a distant fragrance, together with a slice of damp vapour air, caresses your face, softly engirds your waist, merely taking a simple breath is already an immense delight ; the air is always so clear, no smoke of dwellings in any nearby valleys, not a shred of cloud in the faraway mountains, the totality of this beautiful sight is like a picture unfolding before your eyes, for you to enjoy and appreciate at leisure

    陽光正好暖和，決不過暖；風息是溫馴的，而且往往因為他是從繁花的山林里吹度過來，他帶來一股幽遠的澹香，連著一息滋潤的水氣，摩挲著你的顏面，輕繞著你的戶腰，就這單純的呼吸已是無窮的愉快；空氣總是明凈的，近谷內不生煙，遠山上不起靄，那美秀風景的全部正像畫片似的展露在你的眼前，供你閑暇的鑒賞。
  7. Experimental parameter was optimized in synthesizing cnts process and the temperature and time for the air oxidation were ascertained

    通過反復實驗優化制備實驗參數，並確定了空氣氧化提純的溫度和時間。
  8. The article analyses the influence to the generator electrode temperature from different inlet angle and inlet total pressure and the compressive angle of fluid in the situational process

    本文在對等離子發生器內部純空氣流場的模擬過程中，分析了不同進口氣流角、不同進口總壓以及不同氣流壓縮角對發生器電極壁面溫度的影響。
  9. The theory of the hydrogen uptake on carbon nanotubes has been discussed. secondly, for the purpose of improving the activities of the carbon nanotubes " surface, mwnts were treated by oxygenation in the air and surface treatment. thirdly, mwnts were modified by mechanical grinding

    對多壁碳納米管氧化提純及表面處理的研究表明：空氣中焙燒多壁碳納米管可除去無定型碳等雜質，碳管的純度大為提高； naoh是良好的分散劑，可改善碳管的表面活性。
  10. Building construction - expression of users ' requirements - air purity requirements

    建築物建造.第2部分:用戶要求的表達.空氣純度要求
  11. Compressed air - part 1 : contaminants and purity classes

    壓縮空氣.第1部分:污染物和純度等級
  12. Compressed air for general use - contaminants and purity classes

    一般用途壓縮空氣.雜質和純度等級
  13. Pure, bracing ventilation they must have up there at all times, indeed ; one may guess the power of the north wind blowing over the edge, by the excessive slant of a few stunted firs at the end of the house ; and by a range of gaunt thorns all stretching their limbs one way, as if craving alms of the sun

    的確，他們這兒一定是隨時都流通著振奮精神的純潔空氣。從房屋那頭有幾棵矮小的樅樹過度傾斜，還有那一排瘦削的荊棘都向著一個方向伸展枝條，彷彿在向太陽乞討溫暖，就可以猜想到北風吹過的威力了。
  14. The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit

    在pc - 133微機上進行了模擬和優化計算，結果表明： （ 1 ）以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的； （ 2 ）壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小，對優化結果影響不大； （ 3 ）裝置經過技術改造后循環氫純度過高，可以減少放空以節省能耗； （ 4 ）建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。
  15. Benefits such as fuel and energy savings plus lower total emission volumes are often achieved when air is enriched or replaced with higher - purity oxygen

    使空氣變成富氧空氣或用高純度氧替代空氣，有節約燃料和能量以及更低的總發射體積等好處。
  16. The condensing length increases with the boiler heating power and air content increasing, while it decreases with the system pressure increasing. under the normal pressure, the wall temperature and the centerline temperature along the condensing length nearly remain constant for pure steam, while they decrease continuously for steam / air mixture. however, when the steam condenses over, the temperatures drops rapidly

    常壓下，純凈蒸汽冷凝時，有效冷凝段管壁壁溫基本保持不變，但是當蒸汽冷凝完畢進入過冷水階段后，管壁壁溫會急劇下降；蒸汽中含有空氣時，冷凝管中心溫度變化不大，但管壁壁溫始終呈下降趨勢。
  17. Oxygen obtained from liquefied air is usually about 99. 5 % pure

    由液化空氣所取得的氧其純度通常約為99 . 5 % 。
  18. This paper is focus on the average nitrogen purity related to the air - separation production, and the function of improving oxygen extraction rate. analyzed the affecting factor of average nitrogen purity. and summarized the method of improve average nitrogen purity and its application to an air - separation plant

    氮氣平均純度對空分生產中提高氧氣提取率有重要的作用，分析了影響氮氣平均純度的幾種因素，總結出空分裝置提高氮氣平均純度的方法及應用。
  19. Cl ; 100mm nacl ; 0. 5mmol / l edta ; 4mol / l carbamide ; 0. 2 % ( v / v ) tritonx - 100 ; 0. 2 % doc ), we got r hpf4 with the purity of 85 %. the yeild is 120mg recombinant protein per litre culture

    Rhpf4純度可達85以上。 rhpf4e透析的同時，采川立氣氧化法，加以cu 『至終濃度川」 mol 1加速空氣氧化，使rhpf4上確顯折疊。
  20. Oilfree air generators outflow pressure

    空氣發生器氫氣純度
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