种子

In germination experiment, illumination had no effect on germination rate. Within certain range, rising temperature may accelerate germination rate of Lepidium apetalum, but had no effect on other species. The vermiculite of different soils also has great effect on seed germination.

萌发实验结果则表明，光照对四种短命植物种子萌发率没有显著影响；在一定范围内温度的升高能够促进独行菜种子的萌发，而温度升高对其它三种短命植物没有显著影响。

ConclusionThe research provides foundation for further study and application of Leucaena leucocephala de Wit seeds.

结论初步确定银合欢种子含有多种有效成分，为银合欢种子的进一步开发利用提供了实验基础。

Preliminary Tests for Chemical Components of Leucaena leucocephalaLam.

目的采用系统预试法对银合欢种子可能的化学成分进行预实验，初步探索银合欢种子的化学成分。

Guangxi Traditional Chinese Medical University ,Nanning 530001,ChinaAbstract:ObjectiveTo identify the chemical components of Leucaena leucocephala de Wit seeds using comprehensive preliminary tests.

目的采用系统预试法对银合欢种子可能的化学成分进行预实验，初步探索银合欢种子的化学成分。

The effects of different treatments on the seed germination of Leucaena leucocephala was conducted. The experiment conditions included five temperature treatments (four constant temperatures and one alternating temperature), eight immersing treatments (80 ℃ hot water and seven treating times with 98% of H2SO4 solution).

通过用4个不同恒温、1个变温及用80℃热水、98%的浓硫酸不同时间分别浸种对新银合欢Leucaena leucocephala种子进行发芽试验，研究不同处理水平和不同处理组合对新银合欢种子萌发的影响。

De Wit seeds with petrol ether,purified water and 95% ethanol was studied using test tube method.The chemical components of Leucaena leucocephala de Wit seeds were preliminarily demonstrated using precipitation reaction and color reaction of multiple indicators.

方法采用试管反应法，对银合欢种子的石油醚、水、95%乙醇提取物进行研究，通过多种指示剂和显色剂的沉淀反应或颜色反应，对银合欢种子可能含有的化学成分进行初步研究。

MethodsThe mixture was extracted from Leucaena leucocephala de Wit seeds with petrol ether,purified water and 95% ethanol was studied using test tube method.The chemical components of Leucaena leucocephala de Wit seeds were preliminarily demonstrated using precipitation reaction and color reaction of multiple indicators.

方法采用试管反应法，对银合欢种子的石油醚、水、95%乙醇提取物进行研究，通过多种指示剂和显色剂的沉淀反应或颜色反应，对银合欢种子可能含有的化学成分进行初步研究。

The results showed that the seed is rich in fatty oil (23.25%) and the main constituents in fatty oil are α-Linoleni acid 66.929%, linolic acid 21.813% and oleic acid 4.596%, the total content of unsaturated fatty acid reaches 93.186%.

对细风轮菜种子化学成分的研究表明，种子含大量脂肪油(23.25%)，油中含大量不饱和脂肪酸：亚麻酸(66.929%)、亚油酸(21.813%)、油酸(4.596%)，总量达93.338%。

In the industrialized treatment of Z macrostachya seeds, the method could be used as the measure for breaking the dormancy of Z macrostachya seeds.

在大穗结缕草种子工厂化处理中可采用此方法作为打破大穗结缕草种子休眠的措施。

Treating Z macrostachya seeds with NaOH solution was simple and feasible with highest germination rate.

结论］NaOH溶液处理大穗结缕草种子，既简便可行，种子发芽率又最高。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！