有效表面面積 的英文怎麼說

中文拼音 [yǒuxiàobiǎomiànmiànjī]
有效表面面積 英文
effective surface area
  • 有 : 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
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 有效 : effective; valid; efficacious
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 面積 : [數學] area
  1. Such as when the substrates was benzidine and a - naphthol, the absortion peak was 450nm after catalyticed by dna, and 501nm after catalyticed by pod, if changing substrate to benzidine and pyrocatechol, the absortion peak was 503nm after catalyticed by dna and 603nm after catalyticed by pod. the second difference was the different result after hplc : the result of hplc ( substrates : benzidine and a - naphthol ) showed that the products under the affect of dna and pod had different value on the peak and the area

    然後對以聯苯胺與-萘酚為底物，以h _ 2o _ 2為氧化劑，進行高效液相色譜分析，分析結果表明dna與過氧化物酶作用后的產物在峰面積和峰高上有不同數值；同時，不同形式的dna對該反應都有催化活性，表明只要是生物來源的dna （非特異性dna ）都具有一定程度的催化活性。
  2. Features : contain lemon grass, jojoba essential oil and rich mineral deep sea salt particles, which can clean out the aged cutin on the skin surface, promote the blood circulation and metabolism, destroy and resist bug, dispel inflammation. its fresh lemon grass fragrances can dispel the beriberi and foot bad smells, clear out the bad smells, relief the tired foot, get rid out of the swollen feeling, increase the funny interests by washing foot, let the foot to recover fresh and energetic completely

    特點：蘊含的檸檬草、荷荷巴等香薰精油及含豐富礦物質的深海鹽幼細粒子，溫和清除積聚于肌膚表面的老化角質，促進血液循環及新陳代謝，殺滅並抑制病菌，消除足部炎癥，清新自然的檸檬草芬芳，有效祛除腳氣、腳臭，清除腳部異味，同時舒緩疲倦雙足，消除腫脹的感覺，增添浴足情趣，讓浸泡后的雙足徹底恢復清爽與活力！
  3. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  4. For hoods with shutters in four sides, the results show : 1 ) the hoods positively placed boards are called hoods used for venting airflow ; hoods negatively placed boards are called hoods used for leading airflow ; 2 ) among the hoods used for venting airflow, the most effective hoods should have positive declining angle value of 30, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 70 mm to 120 mm and the value of b / h range from 0. 5 to 0. 6 ; 3 ) the most effective hoods should have negative declining angle value of 60, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 100 mm to 170 mm ( the optimum value is 120 mm ) and the value of b / h range from 1. 4 to 2. 2 ( the optimum value is 2. 0 )

    對於四面設百葉型風帽，計算表明: l ）正裝傾斜擋板的百葉型風帽可認為是排風型風帽，倒裝擋板傾斜的百葉型風帽可認為是進風型風帽; 2 ）排風型風帽中，擋板正裝30 」 、風帽四個迎風面的有效面積fy和風管凈斷面積fj的比值（ fy腸）為4 、擋板寬度b在70inln到120inln之間、板間距比值隴在0 . 5到0 . 6的百葉型風帽排風效果最好; 3 ）進風型風帽中，擋板倒裝裝60 「 、風帽四個迎風面的有效面積和風管凈斷面積的比值（ fy例）為4 、擋板寬度b在100咖到170mm之間（ 120mm為最佳） 、板間距比值隴在1 . 4到2 . 0的進風型風帽（ b爪= 2 . 0為最佳）的百葉型風帽進效果最好。
  5. The minuscule pores keep the thinly spread catalyst in place and create the large surface area needed to break down the fuel effectively

    這些極小的小孔使分佈稀薄的催化劑保持在原位上，並且能留出有效分解這種燃料所需的盡量大的表面積。
  6. With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission

    通過掩膜預處理和擋板轉移技術的配合，利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明，該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出，薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。
  7. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  8. Tongbai county of henan province is one of the high - epidemic areas of bovine theileriosis. in 1985, gelatin - protected schizont cell vaccine for 20, 000 cattle was introduced. from ningxia institute of animal husbandry and veterinary medicine against theileria annulata. on the basis of regional tests, the vaccine was applied throughout 16 townships of the county. the annual investigation showed that the safety of the vaccine was 100 %. among the 15, 000 cattle ( including 4, 500 water buffaloes ) inoculated with the vaccine, only 3 cattle suffered from theileriosis. the incident rate was 0. 02 %. however of the 3600 un - inoculated cattle, 2060 heads suffered from the disease. the incident rate was 5. 7 %. the effective protection reached 99. 98 % with a significant social and economic effect

    河南省桐柏縣是牛環形泰勒蟲病流行的多發區，對養牛業危害十分嚴重， 1985年該縣從寧夏農林科學院畜牧獸醫研究所引進「蟲苗」 2萬頭份，在區域試驗的基礎上在全縣16個鄉（鎮）進行了大面積防疫注射，經年終統計表明：蟲苗安全性100 % ，注苗15000頭（其中有水牛4500頭） ，發病3頭，發病率0 . 02 % ；未注苗36000頭，發病2060頭，發病率5 . 7 % ，實際有效保護率達99 . 98 % ，取得了明顯的社會經濟效益。
  9. Abstract : tongbai county of henan province is one of the high - epidemic areas of bovine theileriosis. in 1985, gelatin - protected schizont cell vaccine for 20, 000 cattle was introduced. from ningxia institute of animal husbandry and veterinary medicine against theileria annulata. on the basis of regional tests, the vaccine was applied throughout 16 townships of the county. the annual investigation showed that the safety of the vaccine was 100 %. among the 15, 000 cattle ( including 4, 500 water buffaloes ) inoculated with the vaccine, only 3 cattle suffered from theileriosis. the incident rate was 0. 02 %. however of the 3600 un - inoculated cattle, 2060 heads suffered from the disease. the incident rate was 5. 7 %. the effective protection reached 99. 98 % with a significant social and economic effect

    文摘:河南省桐柏縣是牛環形泰勒蟲病流行的多發區，對養牛業危害十分嚴重， 1985年該縣從寧夏農林科學院畜牧獸醫研究所引進「蟲苗」 2萬頭份，在區域試驗的基礎上在全縣16個鄉（鎮）進行了大面積防疫注射，經年終統計表明：蟲苗安全性100 % ，注苗15000頭（其中有水牛4500頭） ，發病3頭，發病率0 . 02 % ；未注苗36000頭，發病2060頭，發病率5 . 7 % ，實際有效保護率達99 . 98 % ，取得了明顯的社會經濟效益。
  10. The research indicated that the airbag volume, vent hole size and gas generate mass flow rate exert dominant influence on the protection effectiveness of the occupants. the paper pointed out that small airbag volume, small vent hole size and low gas generate mass flow will provide the occupants with best protection in the mini - van frontal crash

    研究結論表明氣囊體積、氣囊排氣空截面積和氣體發生器類型對氣囊的防護效率有重要影響，並提出對于駕、乘人員安全氣囊系統，小體積氣囊、小排氣孔截面積和高氣流率的發生器的組合將產生最佳防護效果。
  11. Nano - matreials have a perfect perspective for their volume effects and surface effects, which could enhance biologic activity, adhesiveness and proliferation of cells

    納米材料因具有一些獨特的效應，如體積效應和表面效應，有利於細胞黏附、增殖和功能表達，因而作為生物醫用材料特別是組織工程支架材料具有良好的應用前景。
  12. Carbon nanotube ( cnts ), as a kind of nano material, can produce special catalytic action to some materials because of its small particle diameter and large surface area

    碳納米管作為一種納米材料，由於小粒徑、大比表面積效應，可對某些物質的電化學行為產生特有的催化效應，常用於酶傳感器的構建。
  13. Nanotubes have a narrow size distribution which dismeter is about 30nm with several analysis methods such as hrtem, eels, xrd, saed and so on the nanotubes " structure was characterized which can be regards as k ^ nbeon structure. according to the saed pattern, the axis of nanotubes can be determined which is along the crystal direction [ 100 ]

    鈮酸鉀是一種的具有光催化功能的材料，光催化的效果與催化劑的比表面積有很大關系，納米管的一個顯著特點就是與粒狀結構的材料相比，它具有大的比表面積，從理論上講它應該比鈮酸鉀顆粒具有更好的催化效果。
  14. Effective inside surface of kiln shell

    窯胴體有效內表面積
  15. Comparison of water level between measured and computation shows that the local head loss coefficient cannot give head loss by spur dike completely, and the effective area of passage is difficult to be ascertain. for this reason the two methods for water surface profile computation cannot predict the raise of water level upstream the spur dike accurately

    計算結果表明，局部水頭損失系數並不能完全反映出由於丁壩阻擋所帶來的水頭損失，而丁壩附近的有效過水面積難以準確地確定，這些導致前兩種方法均不能很好地計算出丁壩上游水位的壅高值。
  16. An amperometric glucose biosensor was developed based on immobilization of glucose oxidase ( god ) on the electrochemically polymerized polytyramine ( pty ) film and the overoxidised polypyrrole ( oppy ) film on carbon paste electrode ( cpe )

    鍍鉑碳糊電極的鉑黑沉積層的微孔結構使電極具有較大的有效表面積，增加了固定的酶量與對h2o2的催化活性，使電極的靈敏度提高。
  17. Pt desulfurizer is a new and effective product with high surface area. sulfur capacity, crushing strength and free volume and low pressure drop. which is widely used in the fine desulfurization of purification process of oil and gas material in synthetic ammonia, methanol and hydrogen making industries

    Pt氧化鋅脫硫劑是一種新型高效脫硫劑，具有比表面積大，穿透硫容高，機械強度高，堆積空隙大，床層壓降小的特性，廣泛應用於合成氨、甲醇和制氫等工業原料氣、油的濃度脫硫凈化過程。
  18. Meanwhile, an effective control can also be achieved by decreasing the surface area of the radiation noise

    與此同時，減少輻射噪聲的表面面積，也是控制輻射噪聲的有效措施。
  19. Standard test method for evaluating the effective surface area of zinc - oxide in rubber

    評估橡膠中氧化鋅的有效表面積的標準試驗方法
  20. Methods for the determination of specific copper surface area of copper catalysts were reviewed

    摘要綜述了幾種測定銅催化劑有效表面積的方法。
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