无叶的

Lower internodes of culms glabrous; culm sheath apically subtruncate; auricles subequal, usually reflexed.

低节间的无毛的秆；顶部的竿箨近截形；近等长的叶耳，通常反折。 3 B。 sinospinosa 车筒竹

Figs axillary on leafy branchlets, paired, reddish orange to red and with scattered white spots, oblong, pillow-shaped, or conic-ellipsoid, 1.5-2.5 × 1-1.5(-2) cm, glabrous or densely covered with brownish yellow long hairs, inside with few or no bristles, apical pore closed by 3 or 4 umbonate bracts, not forming flat disk, subsessile; involucral bracts orbicular to ovate-lanceolate, margin ciliate.

榕果腋生在生叶的小枝上，配对，带红色橙随着红色并且具星散白点，长圆形，枕头形成，椭圆形的或圆锥形， 1.5-2.5 * 1-1.5(-2)厘米，无毛或者密被带褐色的黄长毛，总苞片圆形到卵形披针形，边缘具缘毛。

It is shown that the ADFVLN, which has lower losses, high off-design performance and reliability, is superior to the vaned nozzle as the first stage and it also has more advantages than the early AFVLN, such as lower losses and less skewed boundary layer near the inner ring ect..

研究表明，这一新型轴流无叶喷嘴不仅具有原来同类喷嘴的优良性能，而且双出口结构和内环旋转的特点，使其流动效率明显提高，并省去两块隔板，缩短了机组的轴向尺寸，具有较高的工业应用价值。

The conclusions provide reference to the design of vaneless diffuser.

文章的结果，对无叶扩压器的设计具有一定的借鉴意义。

In chapter 8, the turbulent flow in a vaneless nozzle is computed A 3-D turbulent algebraic eddy-viscosity model is proposed with the intention of considering anisotropic effect.

7、根据无叶喷嘴内旋转流动的特点，提出了各向异性的湍流代数模型以求反映湍流的三维性。

Wavelet neural network was trained with experimental data collected from a variety of literature and then was utilized to study influences of geometries of impeller and diffuser on rotating stall in vaneless diffuser, and the results were presented in graphs.

用来自不同文献的实验数据作为样本，对小波神经网络进行训练，并利用训练好的神经网络研究叶轮和扩压器几何尺寸对无叶扩压器失速的影响。

After main parameters of impeller and casing are optimized using the numerical predictions of aerodynamic performance, the size of the vaneless diffuser and the relative place between the impeller and casing are optimized to decrease the friction loss.

利用气动性能数值预估对叶轮和蜗壳的主要参数进行优化后，再对无叶扩压器的大小和叶轮与蜗壳的相对位置进行优化，减少摩擦损失，最终得到的后向通风机测试结果，全压和效率均提高了11％。

Numerical simulation results of rotating stall flow phenomenon inside a centrifugal compressor with vaneless diffuser by solving three-dimensional Reynolds averaged compressible N-S equations using commerical CFD software CFX adopting RNG k-ε turbulence model are presented.

使用商业计算流体力学软件CFX求解三维雷诺平均的Navier-Stokes方程组，结合出口气腔模型对某带无叶扩压器的离心压缩机的旋转失速现象进行数值模拟。

Leaves glabrous, lateral veins visible adaxially; style ± shorter than ovary; capsule velutinous.

无毛的叶，正面的可见的侧脉；花柱多少短于子房；蒴果茸毛。 9 B。 hebecarpa 毛果黄杨

Leaves adaxially sparsely pubescent at least on veins, abaxially areoles of veins clustered hairy or rarely glabrous

叶正面疏生短柔毛在脉上，脉簇生有毛的或很少无毛的背面小窠的至少 31

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。