生长的

Pollen tube growth oscillates in rate. The underlying mechanisms that control oscillatory growth have been unknown.

极性生长的花粉管表现出振荡式生长的特性，但其机理还不清楚。

And Cucumis sativus L. were tested by bioassay-guided separation. The extracts from P. tomentosa flower with ethanol were extracted with petroleum ether, ethyl acetate and n-butanol. The inhibition rate of the ethyl acetate extract to growth of the 3 kinds of plant radicel were 99.89%, 63.53% and 32.74% respectively at 0.5 mg/mL concentration, and that of petroleum ether were 76.30%, 56.17% and 23.36%.

绒叶泡桐Paulownia tomentosa花乙醇提取物依次用石油醚、乙酸乙酯、正丁醇和水萃取后进行活性测定，结果表明，石油醚萃取物在浓度为0.5mg/mL时，对反枝苋、生菜和黄瓜种子胚根生长的抑制率分别为76.30%、56.17%和23.36%；乙酸乙酯萃取物在浓度为0.5mg/mL时，对反枝苋、生菜和黄瓜种子胚根生长的抑制率分别为99.89%、63.53%和32.74%。

A growth of trees; the only growth was some salt grass.

生长的树木；唯一生长的植物是一些盐草。

Therefore, both the bioavailability and toxicity of selenate were greater than those of selenite under these experimental conditions.

小白菜根长、叶面积等生长指标均随Se和Se含量的增大而显著下降（p.01）；抑制小白菜根系生长的Se含量为60 mg·kg-1，明显高于Se含量（20.0 mg·kg-1）。

This method solve the problem\' same name but different varieties\' or \'different name but the same varieties\' and can be used to give a scientific proof for protection on the variety right of snap bean.

根据菜豆育种实践，创新性地根据菜豆营养生长和生殖生长的平衡关系，建立新的蔓生菜豆"理想株型"育种模型并选育了菜豆新品种哈菜豆8号。

Crystals of Mg:LiNbO_3 have fine and complex growth stria patterns.

提拉法生长的Mg：LiNbO_3晶体具有精细而复杂的生长条纹形态。

The objective of the experiment was to determine the best growth habitat of Potamogeton malaianus and provide scientific basis for ecological restoration of submersed vegetation in Lake Taihu.

生长的影响，试图探询太湖马来眼子菜的最佳生长习性，为太湖进行沉水植物生态修复提供科学依据。

The present study focused on an endocrine hormone —growth hormone gene, which is closely relevant to the growth and reproduction of organism, so as to gain more knowledge about growth and reproduction of green sunfish and to find some rules about them.

本文通过对与蓝太阳鱼生殖生长密切相关的内分泌激素——生长激素基因进行研究，试图从分子水平和组织细胞水平了解太阳鱼生殖生长的一些规律。

The process of titania growth and crystallization from solution was discussed, and the corresponding mathematical model was also set up.

探讨了TiO〓粒子自溶液中析出和生长的过程，建立了相应的生长数学模型，并根据模型进行了计算机模拟。

Ang II is a vasoconstrictor and growth-promoting substance, whereas bradykinin is a potent vasodilator and growth inhibitor.

Ang II 是一种使血管收缩和促进生长的物质，而BK 是使血管舒张和抑制生长的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。