在不可能安装较长的直管段情况下，可以来用导流叶片。
Straightening vanes can be used where long straight ways are not possible .
长长的叶片直直的，是翠绿色。
针对车用涡轮增压器压气机叶轮，研究利用可展直纹面构造叶片曲面方程的方法。
The method to construct the blade surface of developable impeller of vehicle turbocharger is investigated.
与直叶片相比较，对一种具有前掠和正弯积迭线的独特的压气机叶片进行了实验研究。
Compared with a straight blade, a unique compressor blade integrated forward-swept and positive-curved stacking line is studied experimentally.
叶栅中部和端部二次流均增强，总平均的二次流动能增大。对于该叶栅，叶片反弯曲亦不能提高叶栅流场的气动性能，直叶片叶栅总损失最小。
For the turbine stator cascade, the negative curving of blade can not improve the performance of the cascades as well, the total losses of straight cascade are the lowest.
与对照相比，抗病性较强的菌根化植株叶片中pod酶活性变化较为缓和，且ppo酶活性一直较高。
Compared with control the changes of POD activity were stable in leaves of mycorrhizal plants and PPO activity was higher than that of control.
提出了直纹面叶轮叶片非等距轮廓线的生成方法。
It introduces a new kind of generating method of non-equidistant curves.
在原直叶片与三维风扇叶片的基础上，通过编程设计手段改变其设计参数，使得叶片的展弦比，最大相对厚度与稠度等参数发生改变。
Based on the straight cascade and the fan cascade, the design parameter of aspect ratio, maximum relative thickness and solidity were remodeled by programmed design method.
梭梭叶片内的CK/ABA的比值一直呈下降趋势。
这样，垂直于叶片移动方向的肿瘤移动通过简单地移动准直仪的主体来适应以便适应于此。
In this way, movements of the tumour that are perpendicular to the direction of leaf motion can be accommodated by simply moving the collimator bodily so as to accommodate this.
直的叶片对于减少上游直管的要求长度是有效的。
Straightening vanes are effective in reducing the upstream pipe-length requirement.
本文通过对直轴旋转叶片型面成形规律的分析，运用三维几何变换理论，推导出了直轴旋转叶片型面的数学模型。
In this paper, a mathematic model of the straight axis rotate blade is introduced by analysing the forming principle of the blade profile and applying the theory of 3d geometry transformation.
叶片内脂质过氧化作用产物丙二醛（MDA）的产生减缓，MDA含量小且变化的波动较小一直保持在较低水平。
Membrane lipid per- oxidation production MDA come into being tardily, the contents of MDA low and change in the parochial bound.
研究结果表明，流线型叶轮血泵内的流动模式符合流线型设计理论，与直叶片叶轮血泵相比，它的溶血较小，更符合血液动力学要求。
Hemolysis tests were performed to verify the data of simulation. The results revealed that the flow patterns in the stream_lined impeller pump were coincident with the theory of stream_lined design.
验证了前弯叶片相对直叶片提高效率、扩大稳定工作范围的实验结果。
The conclusion that the forward skewed rotor has a higher efficiency and wider off design performance is validated once more.
验证了前弯叶片相对直叶片提高效率、扩大稳定工作范围的实验结果。
The conclusion that the forward skewed rotor has a higher efficiency and wider off design performance is validated once more.
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