您要查找的是不是：
- Pollen tube length 花粉管长度
- A serologic reaction retards the growth of the pollen tube. 血清反应阻止花粉管生长。
- Use a tube length of at least 42 inches. 采用管道长度至少为42英寸。
- Another case is that pollen tube of self-pollen grows Slowly. 花粉管生长慢。
- Pollen tube is defined as the tube through which pollen passes into the ovary. 花粉管定义为花粉进入子房的管道。
- The tube nucleus disintegrates as the pollen tube penetrates the nucellus. 另外的粉管核会在花粉管穿过珠心时发生分裂。
- Generative cell One of the haploid cells in the POLLEN TUBE of seed platns. 生殖细胞：是位于种子植物花粉管中的一个单倍体细胞。
- The coated vesicles in the growing pollen tube are secreted from golgi body. 生长中的花粉管的被膜小泡可由高尔基体分泌形成。
- Development and test of tubing length intelligent measurer. 油管长度智能计量仪的研制与试验。
- A minute opening in the ovule of a seed plant through which the pollen tube usually enters. 珠孔种子植物胚珠上的小开口，通常花粉管由此进入胚珠
- Calyx tube length and expand, there is amaranthine vitta anything resembling a tendon or vein on the canister. 萼筒长而膨大,筒上有紫红色条筋。
- With increasing tube length the WSS decreases first and then gets even, and thus ending the developing region. 在进口段壁面切应力随管长先减少然后逐渐趋于平稳，达到准充分发展状态。
- Cortical microtubules and spiny vesicles appear in the cytoplasm after germination of the pollen tube. 花粉萌发后，细胞质中出现周质微管和被刺小泡，此期细胞器的变化不明显。
- Studies on Pollinating Habit and Pollen Tube Growth Course of Lagerstroemia indica L. 紫薇受粉习性及花粉管生长的研究。
- THE EFFECT OF CYCLOHEXIMroE AND ACTINOMYCIN D ON POLLEN GERMINATION AND POLLEN TUBE GROWTH OF PINUS BUNGEANA AUCC. 放线菌酮和放线菌素D对白皮松花粉萌发和花粉管生长的调控作用
- The shortest possible tube length is 520 mm with the extension tube removed, while the standard tube length during visual observing is 845 mm. 最短的可能长度用被移动的延长管是520毫米而标准的全长在目视观察期间是845毫米。
- Pollen tube entered one synergid, and released two sperms between egg and central cells. 精子脱掉细胞质鞘后，形成精核与细胞质体；
- And the breakage of RER is another resource of coated vesicles in the growing pollen tube. 另外还观察到内质网的碎裂也是荞麦花粉管中产生被膜小泡的一种机制。
- Pollen of Torenia fournieri is two-celled and the division of generative cell occurs in the pollen tube. 摘要蓝猪耳是二细胞型花粉，生殖细胞在花粉管中分裂形成两个精细胞。
- In such wells, the buckling critical load tends to be a constant with the increase of tubing length. 在水平井眼中，随着连续油管长度的增加，其临界失稳载荷趋于一个常数。
