Numerical method is utilized to investigate the effects of discrete micro air injection from casing shroud upstream blade tip leading edge on the rotor tip flow in a low-speed isolated axial compressor rotor at the operating condition near stall point.

本文采用數(shù)值模擬方法研究了近失速工況動葉頂部前緣附近噴氣對低速軸流壓氣機孤立轉(zhuǎn)子葉頂區(qū)域流動的影響欧美影院成年免费版视频在线播放。

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Do not tip busboys, except in the now practically extinct cafeteria restaurant when a busboy carries your tray to your table. In this event 50 cents is standard tip.

不必付給餐館工小費老师成人痴汉在线视频，除非是在那種現(xiàn)存為數(shù)不多的自助餐館，當他們把盤子放在你的桌子上時毛片网址网站，通常付50美分的小費就可以了人人操人人玩人人看。

In this study, in order to examine the dynamics of tip [Ca2+]i together with the dynamics of tip-localized F-actin in vivo, a kind of double labeled material was constructed. The Ca2+ and actin microfilaments of Arabidopsis pollen tubes were labeled by cameleon and GFP-mTalin respectively.

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She used a hollow, white rubber tip, like those put on the spring-type doorstops to avoid scratching the door or wall. A small square of rubber from a bicycle tire was glued on the tip, and a small piece of a wide rubber band glued on top of that.

她用一塊空心的白色橡皮做底座——就像彈簧門上包的防止刮傷門板或墻壁的那種橡皮——一小塊自行車內(nèi)胎上剪下的橡膠粘在底座上999国产精品欧美久久久久久，最上面還粘了一小圈粗橡膠條十八黄色网站。

Segments produced clusters of somatic embryos from embryogenic calli or directly from root apical meristems , and that also can convert into bud directly in the different tissue culture conditions. Modified media B5 with 1.0 mg.L-1 2,4 - D and 3.0mg.L~1 6-BA is suit to induce calli, and 0.5 mg.L-1 NAA is fit for somatic embryos inducement from calli. 6-BA encreased direct somatic embryogenesis on root tip distinctly,but NAA is retard it. NAA also prolong the time of root-tip convert into bud directly.

在改良B_5(微量元素為原來的1／3)中加入1.0mg.L~(-1)2，4—D和3.0mg.L~(-1)6-BA對離體根尖的愈傷組織誘導較為合適一级A片免费在线，0.5mg.L~(-1)NAA有利于從愈傷組織上產(chǎn)生體細胞胚日本黄页网站免费观看；6-BA明顯促進離體根尖直接產(chǎn)生類原球莖，而NAA則有阻礙作用欧美婬片一级视频播放；同時NAA的存在也使離體根尖直接成芽的時間延長欧美老妇乱又伦A片。

Aiming at irregularity of a real fracture surface or a real crack profile, applying Griffith's criterion and fractal geometry, the real asymptotic expression at the crack tip is developed, and it is discovered that the fractality of the crack reduces the stress singularity at the crack tip.

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Work on pressure-jets in preparation for the Jet Gyrodyne and the Rotodyne led Fairey to believe that a rotor-tip drive would be ideal for the Ultra-light Helicopter, and preliminary studies showed that a tip-jet-driven version could be designed to do better than meet the requirements.

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Labial surfaces of lower molar tooth tip into a crescent, lingual tooth tip into a cone-shaped.

下臼齒唇面的齒尖成新月形大胆殴美视频一区，舌面的齒尖成錐形。

In chapter three the performance and structure of components of oxygen probe were especially investigated. The Cr-Cr〓O〓 powder was overcome by treatments. The reason of occurrence of thermal peaks on the EMF curves was explained. A water glass based cement which high temperature insulation was around 10MΩ within 10 seconds at 1600℃ was developed for the use of oxygen probe. The effects of tip end thickness of ZrO〓 tube and amount of reference electrode on response time and thermal equilibrium in oxygen probe were investigated. The optimum tip end thickness of ZrO〓 tube and amount of reference electrode addition were determined. It is found that the heat transfer in oxygen galvanic cell is the rate limiting-step in the response process. The national oxygen probe WOS Ⅱ type was designed and manufactured. By three batches of industrial tests its specification reached the level of American Celox Ⅱ type oxygen probe.

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