y-tube 中文意思是什麼

y-tube 解釋
y形管
  • y :
  • tube : n 1 管,筒;顏料管。2 管狀地下隧道;〈口語〉(倫敦的)地下鐵道。3 【炮】炮身;【汽鍋】鍋管;【解...
  1. Provided with additional fresh hosts at emergence and the early stage of adult, the females showed no increased preference to volatiles in the y - tube olfactometer

    羽化期和成蟲初期是否投放新鮮寄主,對雌蜂的氣味選擇性沒有明顯的影響。
  2. The learning behavior of scleroderma sichuanensis xiao fed on the fictitious hosts tenebrio molitor l. in the process of host foraging was studied using y - tube olfactometer

    摘要採用y型嗅覺儀進行雙向選擇實驗,研究了用替代寄主黃粉蟲蛹繁殖的川硬皮腫腿蜂寄主搜索過程中的學習行為。
  3. However, the number of hosts parasitized betwween chinese cabbage cultivars, or common cabbage cultivars was no difference. ( 4 ) the role of plant volatiles from the chinese cabbage and the common cabbage in host selection behaviour of d. semiclausum females was investigated by y - tube olfactometer

    當白菜和甘藍植株是完整的、或僅遭機械損傷時,兩種蔬菜的揮發物對雌蜂的引誘力相似,而當植株遭受小菜蛾取食、或正在被小菜蛾取食時,白菜揮發物對雌蜂的引誘力較甘藍的顯著要強。
  4. The results showed adult females preferred to lay more eggs on the chinese cabbage than on common cabbage. the amount eggs they laid on chinese cabbage cultivars or common cabbage cultivars were difference. ( 2 ) the role of plant volatiles from the chinese cabbage and common cabbage in host selection behaviour of p. xylostella adult was investigated by y - tube olfactometer

    結果表明,無論是完整植株,還是機械損傷植株、蟲損傷植株或蟲-菜復合體植株,白菜揮發物對小菜蛾的引誘力都較甘藍的大;而白菜或甘藍各兩個供試品種間的揮發物對小菜蛾的引誘力無顯著差異。
  5. But the sock - burning ritual now draws more than boatyard workers. y sailboat owners delight in throwing tube socks and

    甚至連小鎮上富有的船主也會高興地把長筒襪和連褲襪扔進火堆。
  6. Accord i ng the heat transfer mechanism and the fluid resistance of the tube and corrugated fin radiator, i apply the computer to compile program to check up and design radiator, which makes the research theory can be d i rect i y app i i ed to manufacture process

    並依據散熱器的傳熱機理及流動阻力特性,運用計算機編程,組建了有關散熱器校核、設計熱計算的程序軟體,使理論研究結果能直接應用於生產實際。
  7. To make the thermal efficiency best, y, a, av / as should be : r : [ 60 - 75 ] a : [ 1 - 1. 5 ] av / as : [ 0. 8 - 1 ] in this paper, numerical model of solar radiant floor heating system is also built. the model of numerical model is solved by finite differance method. the smaller the distance to the tube is, the higher the temperature on the surface of the floor is

    地板表面相鄰兩管間水平方向的溫度分佈:距離加熱管越近,溫度越高;兩管中間處溫度最低;供回水溫差越小,地板表面溫度分佈越平緩;在供回水溫度和排管間距均一定的情況下,地板覆蓋層厚度越大,其溫度分佈越為平緩,對應的地板表面溫度分佈越均勻。
  8. Experiment is carried out with air in tube of d = 44mm with twisted - tape inserts of y = 1. 88, 2. 62, and 3. 81. the parameters ranges are p = 0. 1 ~ 0. 4 mpa, t = 150 ~ 700 ?

    試驗段為套管,一次側為空氣通道,二次側為冷卻水通道,試驗時沿試驗段全長插入不同規格的扭帶。
  9. The main research works were concluded as follows : as the first experimental project in china, 37 joints tests are completed, including the ultimate bearing capacity tests on 30 t -, y -, x -, k - cfrst joints and 7 y -, x -, k - joints of rectangular steel tube ( rst )

    主要研究工作如下:作為國內的首次試驗,共完成了37個節點試驗,其中包括30個矩形鋼管混凝土桁架t 、 y 、 x 、 k節點和7個矩形鋼管y 、 x 、 k型節點承載力試驗研究。
  10. The research of positron imaging systems can be divided into two parts : imaging instrumentation and image reconstruction, which are the main interest of this thesis. the bgo ( bismuth germanate ) scintillation crystal coupled with a position sensitive photomultiplier tube ( ps - pmt ) h7546 are used to build the y - rays detector

    我們設計了以閃爍晶體作為成像前端,與多陽極位置靈敏型光電倍增管相耦合的射線探測器,具體為bgo ( bi _ 4ge _ 3o _ ( 12 ) ,鍺酸鉍)晶體、 hamamastu的h7546光電倍增管。
  11. If the gap between two branch members is great, the joint is treated as t - or y - joint. or else, the minimum of the results obtained by the formula based upon steel tube flange shear failure mode and effective width failure mode is adapted for the tension branch joints

    給出了矩形鋼管混凝土k型節點的間隙判斷公式,間隙較大時按t 、 y型節點計算;間隙較小時受拉支管節點承載力按沖剪破壞和有效寬度破壞模式計算,取較小值。
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