棕榈科

Betelnut:The local people in Hainan love betel nut which belongs to Palmaceae and is grown mainly in tropical places such as Hainan and Taiwan.

14《槟榔》海南人爱吃槟榔，槟榔是棕榈科植物，主要生长在我国海南、台湾等热带地方。

KEY WORDS: Palmaceae; antineoplastic agents; extraction

棕榈科；抗肿瘤药；提取法

Phynchophorus ferrugineus was the important pest to seriously damage the palmaceous plants.

红棕象甲是危害椰子树和其他棕榈科植物的重要害虫。

Brontispa longissima is a new harmful insect invading in China. At present, it has spreaded to cause damage in Hainan province, Guangdong province, Taiwan province and Hongkong which feeds on the palmaceous plants.

椰心叶甲是近年来传入我国的危险性有害生物，严重危害了我国海南省、广东省、台湾省和香港地区的椰子、槟榔等棕榈科植物，并有蔓延趋势，。

Another variant is presented by some members of the Palmae.

在一些棕榈科成员中还存在另一种变体。

New materials of Palmae from China.

中国棕榈科植物新资料。

And believe that relevant research with palmae would become hot topic and has a promising perspective, it would be play an important role for develop tropical economy.

认为棕榈科植物相关研究会是今后研究和发展的热点，具有广阔的发展前景，对于发展我国热区经济具有重要作用。

In a survey to the diseases of Palmae plants made during the years from 2005 to 2007, Phoenix canariensis was found to be infected by a serious brown-spot disease.

于2005~2007年间调查棕榈科植物病害的过程中，发现加拿利海枣上发生一种严重的褐斑病。

New materials of Palmae from China.

标题 中国棕榈科植物新资料。

Palmae ; Ecologic characters ; Propagation

棕榈科植物；生态习性；繁殖

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。