air holes 中文意思是什麼

air holes 解釋
通風孔
  • air : n 1 空氣，大氣。2 天空，空中。3 微風，和風。4 態度，樣子，風度，氣派；〈pl 〉高傲的架子。5 傳播，...
  • holes : 安裝孔
  1. It is an air hole. we had to come up with several air holes for circulation purpose

    它是氣孔，我們必須弄幾個氣孔讓空氣流通
  2. If the micron of polybag is 38 micron or higher, then no need for warning or air holes

    是不是說：要是膠袋的厚度是38微米或者更厚的話，就不用警告性語標或者打孔了！
  3. A new pbg cover formed by digging air holes in the material is studied. lt is easier to be fabricated compared with the structure reported before

    與文獻所報道的矩形氧化鋁棒結構相比，這種新的覆層結構由於採用了介質內鉆空氣孔的形式更容易加工實現。
  4. There are many defects in the tic preforms prepared by cold pressing, such as small air holes and cracks. the tic preforms prepared by hot pressing have better qualities

    冷壓成型預制體一般存在分層、裂紋等缺陷，未造粒的粉體壓制時流動性、均勻性差是根本原因。
  5. The bag has wave - type rope, and is densely covered with air holes ; the bottom of the bag has air outlet ; the hanging hole is clearly marked, hence it is convenient and highly practical

    袋體自帶波浪型繩條，袋面密布透氣孔，袋底留有出氣口，掛孔特殊標記，方便實用。
  6. ( 5 ) glassy oxide film of samples processed by mevva al / piid si covered the surface of sic coating thickly and uniformly, and left few holes as a result of a good ability of sealing, which made weight loss of sic - c / sic smaller in air at1300

    （ 5 ） mevva源注入al再piid （等離子源全方位沉積） si塗層，玻璃氧化層厚而均勻，愈合性能好，孔洞少，對塗層缺陷有最佳的改性效果。復合材料在1300空氣中的氧化失重顯著降低，甚至出現增重。
  7. Propeller fans exhaust air through holes in the wall.

    螺旋式通風機從壁孔中排出空氣。
  8. One cooling method that has gained increasing importance is endwall film - cooling, where coolant air is discharged though discrete holes in the inner and outer endwalls of a turbine blade passage. after leaving the holes, the coolant forms a protective layer between the hot mainstream gas and the surface that is to be protected

    目前廣泛採用的一種重要冷卻方法是渦輪葉柵端壁氣膜冷卻，該方法中冷空氣穿過渦輪葉片上內外端壁離散冷卻孔進行交換，且冷空氣流經冷卻孔后在主流熱空氣與被保護表面之間形成保護層。
  9. Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance

    研究表明，燃燒室進氣孔的孔徑、孔數、孔的分佈及方向等均對燃燒性能影響很大；斜孔所產生的旋轉進氣，雖具有強化燃氣混合、消除死區和迴流穩焰的作用，但迴流過度會使燃燒室及排溫過高；保證進排氣系統流動阻力（壓力）的一致性，有助於保證加熱器性能穩定。
  10. Air element methad for modeling drainage holes in seepage analysis

    滲流分析中排水孔模擬的空氣單元法
  11. But there are some technical difficults for the welding of aluminium alloy such as some broken bits being easily found, a large welding distortion can happen easily, hard to distinguish the difference between the solid metal and liquid metal colour, hard to control the temperature, a lot of air holes can be seen in the welding line and so on

    但是鋁合金熔化焊時的技術難點在於：焊接時易引起夾渣，焊接變形大，金屬的固態和液態的色澤不容易區別，焊接操作時控制溫度困難，容易產生氣孔等等。如果焊前清理工作不是很好，檢測氣孔往往超標。
  12. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  13. Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes

    在不同油氣比下，不同的雙級旋流器幾何參數（例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主燃孔孔布局等）對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物（ co _ 2 、 co和nox ）排放等燃燒性能的影響規律進行了研究。
  14. The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability. the out case of the silencer plays a very important role in reducing noise. the effect of the hole ' s shape, diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally. the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube. some useful results are gotten, which may be valuable to the design of the silencer

    多孔擴散型消聲器由於其體積小、消聲性能高而廣泛應用到排氣噪聲的降低上，其外殼對消聲器的消聲性能具有重要作用.本文對此類消聲器外殼的孔型、孔徑和孔距以及外殼同消聲材料的配合方面進行了細致的實驗研究，特別對外殼與消聲材料的配合與其排放噪聲以及外部流場之間的關系進行了探討，得到了一些有用的結論，對消聲器性能的提高具有一定指導意義。
  15. The number of inspected air holes often exceed the limitation of standard if the ready task of cleaning up before welding has not been done completely. automation of welding will be a necessary trend in order to improve the work condition and enhance the quality of welding

    鑒于焊接工人的勞動環境改善以及焊接質量的提高，焊接自動化是一個發展的必然趨勢，目前國內外雖然對自動tig焊研究較多，但是針對中厚壁鋁合金縱焊縫的雙面tig自動立焊仍是空白。
  16. The dual - core air - guided photonic bandgap fiber couplers are designed and decoupling phenomenon has been found. coupling properties of the pbgfs with two adjacent air holes as fiber cores are analyzed. the decoupling point, where there is no

    對具有兩個相鄰纖芯的空氣傳導光子帶隙光纖的傳導模式和耦合特性進行了理論分析，在所分析的結構中發現了無耦合點，在該波長處兩個相鄰纖芯之間不發生能量轉移。
  17. This paper studies on the shape and structural characters of the disc flute of air cushion rugulating machine, describes the designing and testing method of the parameters such as the diameter and arrangement of the air holes

    對氣膜調偏機盤槽形狀和結構特點進行了研究，論述了氣孔直徑及排列方式參數的設計和試驗方法。
  18. Firstly, we study the photonic band structure of the pcf cladding with triangular and honeycomb air holes lattices. then the guided mechanisms of pcfs are demonstrated. the waveguide dispersion, leaky loss and effective modal area for both index - induce pcf and pbgf are presented

    首先對三角形、蜂窩形柵格空氣孔包層結構的光子能帶進行了研究，在此基礎上闡述了光子晶體光纖的傳導機制，對折射率引導和光子帶隙引導光子晶體光纖的波導色散、泄漏損耗和有效模場面積進行了研究。
  19. Then some methods including optimizing the spectrum and intensity of 3w1 beam line and improving the performance of pmma were put in force, and pmma structure with aspect ratio 100 was obtained under these optimum conditions. moreover, such steps as controlling ph, electrodepositing, using activator and a second cathode, and mending the power supply were taken to solve a series of problems coming into being during electroforming process correspondingly, for example, air holes, inner stress, and ununiformity of deposition

    並針對3w1光源中硬x光成分較多、光強和功率密度太高的特點，提出了用ni吸收膜改善光譜和用x光暫波器法優化光強的方法，同時嚴格控制和改善pmma光刻膠的性能，經過反復的計算分析和實驗改進后，獲得了深寬比高達100的膠結構圖形。
  20. We study the photonicband structure of the mof cladding with triangular and honeycomb air holes lattices. then the guided mechanisms of mofs are demonstrated. the guided properties such as waveguide dispersion, effective modal area and nonlinearity for both index - guided mof and photonic bandgap mof are presented

    從研究微結構光纖的傳導機制和傳導模式出發，分析不同結構的光子晶體包層的能帶結構，研究折射率傳導和光子帶隙傳導兩種機制下光纖的傳導模式及色散、損耗和有效模場面積等基本特性。
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