景天科

景天科植物基因组DNA的高效提取方法

An Effective Method of DNA Extraction from Crassulaceae Plant

红景天属景天科植物，红景天苷是其有效成分之一，研究表明其具有确切抗氧化作用。

Rhodiola genus crassulaceae plants , and Salidroside is one of the effective components . Studies have shown that it has antioxidant properties .

红景天植物为景天科（Crassulaceae）红景天属（Rhodiola）多年生草本的总称，全世界约90种，主要分布于北半球的高寒地带。

The genus Rhodiola ( Crassulaceae ), a perennial herbaceous plant , consists of about 90 species all over the world , distributed mostly in the high cold region of the Northern Hemisphere .

黑龙江省的野生景天科植物及其价值

Wild Orpine And Their Value In Heilongjiang Province

对立体绿化中常用景天科植物及其在立体绿化中的各应用形式进行了介绍，以期为景天科植物在立体绿化中的运用提供参考。

In this paper , some commonly used Crassulaceae plants and their application forms were introduced for providing reference and guidance to concrete practice .

实验结果表明，景天科植物绿化屋顶相对于普通屋顶能够显著地降低从屋顶传入室内的热流，具有十分突出的优势。

Experimental results show that Crassulaceae green roof plants in relation to the general can contribute significantly to the roof from the roof to reduce heat flow into the room , a very obvious advantage .

通过对吉林省野生草本植物的抽样调查，筛选出具有较大园林应用价值的野生草本地被植物86种，分属于毛茛科、菊科、景天科等31个科；

86 wild ground-cover herb species belonging to 31 families such as Compositae , crassulaceae and ranunculaceae et al were selected based on the investigation of the sampling and collecting specimens in Jilin province and they all had the application value in landscape garden architecture .

首先实测出它在夏季的相关热工参数，包括景天科植物绿化屋顶的太阳辐射吸收系数0.85、它对太阳辐射的遮蔽系数0.14、植物对土层水分的蒸发起到一定的抑制作用。

Its first measured in the summer heat for the relevant parameters , including the green roof plants Crassulaceae solar radiation absorption coefficient of 0.85 , its solar radiation shielding coefficient of 0.14 , the plants on the soil moisture evaporation plays a certain effect .