有用壽命 的英文怎麼說

中文拼音 [yǒuyòngshòumìng]
有用壽命 英文
useful life
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • 有用 : useful; serviceable
  1. Owning advantages of simply structure, large energy, low noise, long service life, reliable and safety and convenient usage and maintenance, this machine widely applies to avigation, auto, tractor, tool manufacturing, textile machinery and other industries

    該機具結構簡單能量大噪音低使長安全可靠使維修方便等特點。廣泛應於航空汽車拖拉機工具製造紡織機械等行業。
  2. Hyl series cincture type presses filter machine has the heavy treatment ability. with such remarkable characteristic as high efficiency and having long performance life etc, it apply to the environmental improvement of every profession and trade extensively

    Hyl型帶式壓濾機具處理能力大,脫水效率高,使長等顯著特點,廣泛應於各行業的環境治理。
  3. Semimetal non - asbestos environmental protection automobile brake shoe with stable friction indexes, contractible heat fade, excellent performance in high temperature, strong friction resistance, long working life and stable brake, small noise, fine energy absorption, no asbestos, no pollution, ect characteristics. complied with international standard, it s a ideal brake article for users

    本公司研製生產的半金屬無石棉環保型汽車剎車片,具摩擦系數穩定,熱衰退縮小,高溫段穩定性能好,耐磨性強,使長,制動平穩,制動時噪音小,能量吸收效果好,無石棉,對環保無污染等特點,符合國際規范,是廣大戶的理想的剎車製品。
  4. Adopt high quality alloy, stainless steel, ti, cr and other metal for driving parts, the wear - resistance, costive - resistance, thermo - resistance and pressure - resistance is highly increased. the service life is long

    主要傳動部件均採優質合金材料、不銹鋼材料、鈦材、鉻和其他表面合金製作,大大提高了耐磨損、耐腐蝕、耐高溫及耐壓能力,使該機具較長的使
  5. In this thesis, the oxygen sensitive materials and glucose sensitive materials had been developed by thermo - polymerization method including carrier covalence method and carrier covalence - cross linking method, and the properties had been investigated using the detection experiment of oxygen and spectrophotometer, at the mean time, the applications of oxygen sensitive materials in fiber optical gaseous oxygen sensor and fiber optical dis solved oxygen sensor, and that of biology sensitive materials in fiber optical dextrose sensor had been studied in this paper. major content of this work includes five aspects as follows : ( 1 ). oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by fi - ir, sem, and the detection experiment of oxygen

    本論文主要包括以下五個方面的內容: ( 1 )載體共價法制備氧敏感材料:通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理,通過氧測試實驗評價該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 2 )載體共價?交聯法制備氧敏感材料:通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理,通過氧測試實驗和分光光度計評價該氧敏感材料的氧敏感性和穩定性,同時研究了各種因素對該氧敏感材料性能的影響( 3 )氧敏感材料在光纖氣態氧傳感器中的應:該傳感器的響應時間為10s ,檢測下限為5ppm ,檢測精度為0 . 5 ,具較好的重復性和穩定性,遲滯較小,使至少為1年,適合各種環境下氣態氧濃度的檢測。
  6. First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well

    文中針對氣動技術本身的特性及優點,如:可壓縮,具緩沖性;能耗損失小,便於遠距離輸送;流量大、流速高,執行元件響應速度快等,以解決振動機械在應過程中的緩沖、能耗以及使等問題為目的,設計出一套輸出激振力大、結構簡單、使可靠的閥控氣動激振器,並將其成功地運到振動篩上,取得了較好的效果。
  7. The practice shows that method can effectively protect boiler and deoxidizer, consequently decreases maintenance cost and prolongs usable life of the equipment

    實踐證明,在除氧器內加藥能夠對鍋爐和除氧器進行效保護,從而減少維護費,延長設備使
  8. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路性能仍值得探討,瀝青橡膠碎石結構層具變形性能和抗裂性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價所增加,從長遠來看,具十分重要的技術和經濟意義。
  9. Yuyao mazhu electrical macthion factory seated at mazhe town developing zone yuyao city ningbo, it boat boasts of advantgeous geographical position and easy transport, our company established in 1990, is profession produce all kinds of flash lights portable power supply solar energy light and electric cell the features of products very beautiful, little physical volume coastruction nicety, life span we have more than ten produce experience strong produce adility, the products meet warm reception in europe america africa sacth - east asia, middle east. the company welcomes customers from home and abroad to visit our factory for details, we offer the superior products and best service to you

    餘姚市馬渚新世紀電器廠坐落於寧波市餘姚市馬渚鎮開元工業開發區,地理環境優越,交通便利,本廠成產1990年,是一家專業生產手電筒充電燈蓄電池的廠家,產品外型美觀,結構精密使長,已十多年的生產經驗,具較大的生產能力,產品遠銷歐美非洲東南亞中東等地,竭誠歡迎中外客商朋友的蒞臨指導,隨時都為你提供優良的產品和一流的服務。
  10. There was an increase in the fadeproof time of 25 percent over the common coatings. both the nano - tio2 - modified coatings prepared by the way of in - situ sythesising method and the nano - sio2 - modified coatings prepared by the way of in - situ dispersion were strong weatherability coatings, which could resist 18 years " weathering if we calculated the result with the standard which argued that 100h of the artificial aging process was equal

    通過原位生成法制備的納米tio :改性塗料和在位分散法制備的納米510 :改性塗料具超強的耐候性能,以人工老化100h大約相當于室外曝曬一年計算,納米改性的塗料在室外的使可超過18年。
  11. Fuhong class a inorganic dampproof fireproof board adopt natural minerals, featuring good performance in water, sunshine, acid rain, and frosted condition, its lifespan can last as long as more than 20 years, it keeps room warmer in winter and cooler in summer, damp - resistant, wet - resistant, it is applicable to island climate, and wont generate halogenation like ordinary fireproof board

    福宏a級無機防潮防火板:為天然礦物研製而成,具備了礦物應的特性,長期水浸日曬酸雨寒凍也不脫層變質或腐蝕,使更可達20年以上且冬暖夏涼,又能抗濕抗潮,更能適合海島型氣候,絕不會一般防火板材的反鹵現象。
  12. Adopt the unique " v " tyre bag structure, increasing effecfive filtering area, lov resistarce. and long service life

    獨特「 v 」形濾袋結構,增大效過濾面積,阻力低,使
  13. Without a direct competitor and with nearly 1, 400 sold over its long life, the 747 has been a matchless earner

    747沒直接的競爭者,其使長而賣出一千四百四十架,因而它是無可匹敵的盈利者。
  14. It measures the density of oxygen by detecting the life - span of the fluorescence quenching. the so - called fluorescence quenching is a kind of physics or chemistry process that the fluorescence material has chemical or physical reactions with certain substance is selected here. it has the advantage of good stability of fluorescence, long life span and the strong quenching effect

    本課題光纖氧氣傳感器檢測系統是基於熒光猝滅效應的檢測機制,通過測定熒光從而檢測氧氣濃度的,熒光猝滅效應所引起的熒光很好的穩定性、猝滅效果以及系統使長。
  15. Metal halide gas - discharge lamps possess the advantages of small sige, high luminous efficiency, long life good start quality, simply appending power supply. they are widely use in movie projectors and overhead projectors etc. the metal - halide gas - discharge lamps include metal halide lamps with dysposium iodide, mercury lamps metal halide lamps with scandium - sodium iodides and metal halide lamps with sodium - thal - lium - indium etc

    金屬鹵化物放電燈具體積小、發光效率高、使長、啟動性能好附加電源較為簡單等優點,一般於電影放映機、投影儀等儀器,品種金鹵燈(汞燈) 、鏑燈、鈧鈉燈、鈉鉈燈等
  16. How long is the term of validity ? what ' s special on storage

    膠帶的使多長?存放條件如何
  17. The condition - based maintenance can solve this problem perfectly. in order to detect abnormal symptom or terminative evidence of the working - life, the on - line monitor and diagnose about high - voltage electric power equipment is necessary

    這就必要對運行中的變電設備進行監視和診斷,以便能檢測到異常情況的徵兆或使終結的跡象。
  18. Unique pu - metal binding technology enables the company to achieve the technology of increasing torsional moment, improving loading and never loosing thus largely prolong the life of components

    的聚氨脂-金屬粘結技術,實現了增大扭矩提高負載不脫膠的目的,極大地延長了配件製品的使
  19. In regard to the low wear resistance of the white iron shot in the practical application, based on experimental research and trial production, by alloying and proper heat treatment, the shot can be made with higher hardness, better toughness and increased service life

    摘要針對白口鐵丸在實際應過程中不耐磨的現象,通過大量實驗研究和試生產,找到通過添加合金元素生產合金鐵丸,並通過適當熱處理等手段,使其既具較高硬度,又良好的韌性,使得到提高,滿足拋丸工作的需要,節約大量資金,提高了勞動生產率。
  20. A large manufacturer of windshield wiper blades needs to estimate the mean life users of the blades can expect under typical driving conditions.

    一個大型擋風玻璃雨刷廠的經理,需要估計一下在一般駕駛條件下雨刷平均使的期望值多大。
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