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孔端

na.nose end

孔端

孔端

2

Synergid cells Two haploid cells located near the egg cell at the micropylar end of the embryo sac in flowering plants .

存在于开花植物胚囊内，是位于珠孔端的卵细胞两侧的两个单倍体细胞。

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When the embryo differentiated cotyledons , the haustorium cells gradually degenerated , then disappear.

胚分化出子叶时，胚乳吸器自合点端向珠孔端退化。

5

Seeds ellipsoid, glabrous, nearly without endosperm, with thickened tissue at micropylar end .

种子椭圆形，无毛，近无胚乳，在珠孔端具加厚组织。

6

Place the ventricular catheter in the trocar tube , and tunnel it under the scalp from the desired exit side towards the burr hole .

将脑室导管插入套针管，并将其从输出端至单孔端插入头皮。

7

Check marked for machining circle and check circle at stern tube.

检查在尾轴孔端面的加工圆及检验圆是否己标记。

8

The end of the hole is hemispherical .

小孔端面成半球状。

9

Wall ingrowths occurred in central cell at micropylar region near embryo sac wall .

中央细胞在珠孔端与胚囊壁相邻的部位形成壁内突。

10

The haustorium cellularizated from the micropylar end to chalazal end at the later globular stage .

球形胚晚期吸器自珠孔端向合点端逐渐细胞化。

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the egg apparatus lies in the chalazal end while the antipodal cells lie in the micropylar end .

胚囊极性反转，即卵器位于合点端，而反足细胞位于珠孔端。

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Parametric study of mechanical seals with a laser -textured micro-pore face

激光加工多孔端面机械密封的参数研究

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Factors Affecting Leakage Rate of a Laser Surface Textured Mechanical Seal

激光加工多孔端面机械密封泄漏量的影响因素

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Analysis of the Hydrostatic Effect of a Partial Laser Surface Textured Mechanical Seal

激光加工多孔端面机械密封静压分析

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Numerical Analysis of Deformation of a Laser Surface Textured Mechanical Seal

激光加工多孔端面机械密封变形的数值分析

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Effect of Geometric Parameters of Micro -pores on the Seal Performance of a Laser-textured Mechanical Seal

微孔参数对激光加工多孔端面机械密封性能的影响

19

Numerical analysis of mechanical seals with a laser -textured micro-pore face

激光加工的多孔端面机械密封的性能数值分析

20

Test Research on Tribological Aspect of the Laser -textured Mechanical Seals with Micro-pores

激光加工多孔端面机械密封的摩擦特性试验研究

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