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- It can obtain dropping characteristic when AC, welding current waveshape is rapid zero-crossing square wave, it is propitious to welding current and arc stability. 交流時可獲得陡降外特性,焊接電流波型為迅速過零的方波,有利於焊接電流和電弧穩定。
- Experimental studies were carried out to investigate the air-side heat transfer and pressure drop characteristics of a novel louvered fins and flat tube beat exchanger. 摘要對9種不同結構參數的新型開窗翅片進行傳熱和流動阻力性能試驗。
- Using compressed air as working medium,heat transfer and pressure drop characteristics of compressed air in mixed Chevron bellow s plate heat exchanger were tested. 以現場的壓縮空氣為實驗工質,對壓縮空氣在人字形波紋板式換熱器的傳熱與流阻性能進行實驗研究。
- An experimental study of frictional pressure drop characteristics of R410A-oil mixture flow boiling inside straight and C-shape horizontal enhanced tubes was performed. 實驗研究了環保製冷工質R410A-潤滑油混合物在直強化管和C形強化管內流動沸騰的摩擦壓降特性。
- The bulk characteristics of the PHE w ere evaluated from heat transfer and pressure drop characteristics,heat transfer efficiency,compactness and economic characters etc. 此外還從傳熱與流阻性能、傳熱效率、緊湊性和經濟性等方面對板式換熱器的整體性能進行了評價。
- Comparison of end wall heat transfer and pressure drop characteristics was made between two kinds of rectangular clapboards and two kinds of waved clapboard in the turbine bl. 主要討論了在通道其它結構均相同的條件下分別採用4種不同結構的隔板(2種孔徑的矩形隔板與2種孔徑的波形隔板),研究隔板中孔徑大小對通道換熱和流阻的影響。
- They're completely anti the new proposals. 他們完全反對新的提議。
- The old man is dropping away in the sofa. 這位老人在沙發上打起瞌睡來。
- The hydrodynamic experiments with countercurrent flow of gas and liquid simulating the flow conditions in the lower zone of the blast furnace were carried out in a packed bed to clarify the gas pressure drop characteristics in that zone. 摘要為了闡明高爐下部氣相壓降的特性,在填料床內模擬高爐下部流動條件進行了氣液兩相逆流的流體力學實驗。
- Sympathy is the feeling characteristic of mankind. 同情心是人類特有的感情。
- The airplane was attacked by dropping bombs. 這架飛機遭到炸彈的襲擊。
- I tripped over, dropping the tray I was carrying. 我絆了一下,手中的托盤掉在地上了。
- The experimental study and numerical simulation on heat transfer and pressure drop characteristics were performed at the shell-side of a coaxial-pipe heat exchanger with helical baffles. 以水-潤滑油換熱為對象,對螺旋隔板套管換熱器的殼程傳熱與壓降性能進行了實驗研究與數值模擬。
- He spoke with characteristic enthusiasm. 他以特有的熱情說話。
- The airside heat transfer and pressure drop characteristics of slit fin-and-tube heat exchangers with hydrophilic coating were studied experimentally under dehumidifying conditions. 對帶親水層條縫型翅片管換熱器在析濕工況下的空氣側特性進行了實驗研究。
- Her predominant characteristic is honesty. 她最為突出的特點是誠實。
- Men were dropping like flies in the intense heat. 人們抵受不住酷熱而紛紛倒下。
- Characteristic of or befitting a warrior. 勇敢的,好戰的具有戰士、勇士特徵的或適宜於勇士的
- He said he would drop her like a hot potato. 他說他會把她像燙手的東西一樣迫不及待地扔掉。
- The rain is leaking in large drop through the roof. 雨正大滴大滴地從屋頂漏下來。