在经过生长期的表皮茎上，施用茉莉酸能够促进各个伸长单位茎中次生乳管的分化。
In the epicormic shoot stem which passed a growth season, the secondary laticifer differentiation of all the extension parts was accelerated by JA application.
该法可使带钢边部的伸长量最小和尺寸处于稳定状态，并可满足扩大中小径直缝电焊管的规格品种和提高焊速的要求。
The process, with constant and minimum elongation of strip steel edge, can meet the requirements of expanding varieties and sizes with higher welding speed.
研究了碳纳米管的加入量与分散程度对复合材料的拉伸强度、拉伸模量、断裂伸长率的影响。
The effects of the content and dispersion of carbon nanotubes on the tensile strength, tensile modulus and ratio of elongation of the nanocomposites were studied.
它将封隔器与伸缩管设计成一体，采用V形膨胀石墨密封圈组成密封系统，确保伸缩管热力伸长时封隔器的密封性。
The packer and telescopic tube are designed to a whole body and V-shaped inflatable graphite sealing ring is used to form the sealing system, ensuring the sealing performance of.
并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
其初生维管系统的解剖学研究表明：子叶节区明显长于毛茛科植物幼苗，属顶枝伸长型。
The anatomical structure of its primary vascular system was studied and its cotyledon node zone is longer than that of Ranonculaceae.
一定浓度的蔗糖溶液有助于花粉管的生长，10%、20%蔗糖浓度均能显著提高花粉管伸长速度。
Certain concentration of sucrose solution is helpful to growth of pollen tube; both 10% and 20% sucrose solutions can significantly increase elongation velocity of pollen tube.
施用茉莉酸对正在伸长的茎中初生乳管分化有明显促进作用，但不能诱导形成次生乳管。
When applied to an extending stem, JA led to a significant increase in primary laticifer number, but induced no differentiation of secondary laticifers.
温差越大，无保温管与有保温管伸长量之差越大，则保温层摩擦力越大；
The more pipe have temperature difference, the more pipe elongation and insulation friction.
若实验过程中假设钢管的弹性模量和钢材的弹性模量相等且为常数，则保温层摩擦力和无保温管与有保温管伸长量之差成正比；
The experiment is assumed that the elastic modulus of the steel pipe equal and constant, the insulation layer friction proportional to the difference of elongation.
GUS染色显示NPC2在根中主要是在根尖分生区和伸长区表达，在成熟区主要是在维管组织中表达；
The results of GUS staining showed that NPC2 expressed mainly in meristematic zone, elongation zone and vascular tissue of maturation zone of root tip;
GUS染色显示NPC2在根中主要是在根尖分生区和伸长区表达，在成熟区主要是在维管组织中表达；
The results of GUS staining showed that NPC2 expressed mainly in meristematic zone, elongation zone and vascular tissue of maturation zone of root tip;
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