1、

In partly-ducted axial flow fan system with bellmouth, blade tip vortex formed at blade leading edge is generated by pressure gradient between suction side and pressure side, it develops downstream and into flow passages as blades rotate.

含导风罩的部分管道式轴流风扇系统,在叶轮前缘由于吸力面和压力面压差产生叶尖涡,随叶轮旋转往下游和流道内部发展。

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2、

Impeller blade erosion consists mainly of impact erosion at the leadingedge and slip erosion along the pressure side surface.

离心叶轮的磨损主要由叶片进口的冲击磨损和压力面的滑移磨损构成。

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3、

Avoid cutting the fluff side, straight blade knife better than stripes;

在避免模切起毛方面,直纹刀比横纹刀好;

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4、

Other causes include the out-of-tolerance of blade chord width between adjacent blades, the undersize contact area of serrated working side and the local wearing of non-working side.

而相邻原机件叶片弦宽尺寸超差,锯齿形工作接触面积小,以及非工作面局部碰磨,是引发故障的次要因素。

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5、

There, a little below the right shoulder blade, and to the side, his scalpel would enter.

他的刀要从那儿进去,在右边肩胛骨下面一点儿,靠边上的地方。

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6、

The results show that the wake can be found in shroud/ suction corner and the jet does not exist near blade pressure side; the flow construction in the impeller did not prove to be the well known jet/ wake flow model.

试验表明,在前盖板/叶片吸力面拐角处存在尾流,但压力面不存在射流,叶轮内部流动结构与射流/尾流模型不符合。

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7、

The vibrational stress analysis and the application range of the side entry blade are introduced in this paper, and the suggestion of the nozzle arrangement is also given.

对侧装式调节级动叶的强度振动计算分析及其应用范围进行了介绍,并对部分进汽时进汽喷嘴的布置方法提出了建议。

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8、

In comparison with these of the straight cascade the blade positively curving reduces the quantity of the critical points, eliminates the upper passage vortex, and transform the closed separated flow of the secondary vortex along the blade tip suction side into the open separated flow.

与直叶栅比较,叶片正弯明显减少了壁面与横截面流场中奇点的数量,消除了上通道涡,并使叶顶吸力边的二次涡分离流动由闭式分离转变为开式分离。

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9、

The utility model relates to a fan blade oil-shedding structure which comprises a body, a shaft rod and an oil-proofing part, wherein the body is provided with an open side and a close side;

一种风扇扇叶甩油结构,是包含:一本体、一轴杆、一挡油部;其中该本体具有一开放侧及一封闭侧;

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10、

The utility model provides a knife blade packaging display box which comprises a box body. A plurality of knife blade grooves which are arranged side by side are located in the box body.

本实用新型提供了一种刀片包装展示盒,它包括盒体,在盒体内设有多个并排设置的刀片槽;

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11、

leaf blade abaxially sparsely glandular setose on midvein, with 3 basal glands per side.

叶片背面疏生腺体具刚毛在中脉上,具基部腺体每边。

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12、

branchlets terete; leaf blade elliptic to obovate, secondary veins 12-15 on each side of midvein; peduncle terete.

小枝圆柱状叶片椭圆的到倒卵形,次脉12-15在中脉两边各;花序梗圆柱状。

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13、

leaves sessile; leaf sheath ca. 6 mm, sparsely puberulent on side opposite leaf blade, glabrous elsewhere;

叶无柄叶鞘约6毫米,与叶片相对一边疏生微柔毛,在别处无毛;

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14、

leaves sessile; leaf sheath ca. 6 mm, sparsely puberulent on side opposite leaf blade, glabrous elsewhere;

叶无柄叶鞘约6毫米,与叶片相对一边疏生微柔毛,在别处无毛;

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15、

leaves sessile; leaf sheath ca. 6 mm, sparsely puberulent on side opposite leaf blade, glabrous elsewhere;

叶无柄叶鞘约6毫米,与叶片相对一边疏生微柔毛,在别处无毛;

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16、

leaves sessile; leaf sheath ca. 6 mm, sparsely puberulent on side opposite leaf blade, glabrous elsewhere;

叶无柄叶鞘约6毫米,与叶片相对一边疏生微柔毛,在别处无毛;

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17、

leaves sessile; leaf sheath ca. 6 mm, sparsely puberulent on side opposite leaf blade, glabrous elsewhere;

叶无柄叶鞘约6毫米,与叶片相对一边疏生微柔毛,在别处无毛;

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18、

leaves sessile; leaf sheath ca. 6 mm, sparsely puberulent on side opposite leaf blade, glabrous elsewhere;

叶无柄叶鞘约6毫米,与叶片相对一边疏生微柔毛,在别处无毛;

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19、

leaves sessile; leaf sheath ca. 6 mm, sparsely puberulent on side opposite leaf blade, glabrous elsewhere;

叶无柄叶鞘约6毫米,与叶片相对一边疏生微柔毛,在别处无毛;

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20、

ⅲ region is tip leakage flow that direction of blade flange clearance turn to suction side;

Ⅲ区为叶片轮缘部中间隙泄漏流动的流动方向转向背面;

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