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air hole 通氣孔,風眼;氣門,(船艙等的)風窗;冰孔,不凍水面;【...

air hop

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 并針對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。

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。

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。

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方法并結合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 。

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于: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。

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。

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。

Their optimum firmness supports your neck more effectively , whilst the air hole structures keep you cool . these features will provide you with a sense of relaxation whilst you sleep Kymdan乳膠枕頭使用質量優越的純天然橡膠膠乳來制作,以獨特的設計,泡棉透氣結構,軟度適當,有效支撐頸部,讓您進入更香甜的美夢。

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。

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。

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于采用了介質內鉆空氣孔的形式更容易加工實現。

Planting bar used syringes from the bottom of the hole to put adequate amounts of external uniform adhesive filling injection hole , pay attention not to air hole inclose 使用植筋注射器從孔底向外均勻地把適量膠粘劑填注孔內,注意不要將空氣封入孔內

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!

Air hole grate 氣孔爐蓖

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

N who dug that - air hole 又是誰挖擱了這個洞?

Open the air hole ; the fire is dying down 把氣孔打開,火要熄了。

Air hole structure incorporating our airy effect 泡棉透氣結構具有通爽作用