Pteridophyta是什么意思

网络释义

用法例句

The fern resources for medicinal purposes in northern Fujian Province;

闽北地区药用蕨类植物资源

Survey on Medicinal Resources of Fern in Huangshi;

黄石蕨类药用植物资源调查

Based on a full-scale and systematic investigation on wild ornamental plant of Fujian Province, the paper concludes that the ornamental fern includes 33 families, 74 genus and 197species.

通过对福建野生观赏植物资源的调查,发现具有观赏价值的野生蕨类植物资源有33科79属197种;对科、属、种进行分布类型的特点分析,中国特有蕨类植物有41种,单属科和单种属较多,科、属内的分化程度不高,植物区系带有热带性质。

Screening test for antimicrobial activities of 25 species of pteridophytes from Fuzhou, Fujian;

福建福州25种蕨类植物抑菌活性筛选研究

<Abstrcat>The polysaccharides of 8 species of pteridophytes were extracted and their contents were tested by phenol-sulfuric acid method.

从8种蕨类植物中提取多糖,采用苯酚硫酸法测定多糖的含量,并采用纸片扩散法研究多糖对8种细菌和真菌的抑制效果。

This paper recorded 29 families, 47 genera and 58 species of pteridophyte from Nanguenhe Natural Preserve and their use,distribution and ecological factors and analysized their geographical and ecological characteristics.

本文记载了南滚河自然保护区蕨类植物２９科４７属５８种和它们的用途、分布区以及生境因子，并对其地理分布和生态特点进行了分析。

Some New Records of Ferns from Vietnam(1);

越南蕨类植物的新记载(1)(英文)

Progress in Tissue Cultures in Vitro of Ferns;

蕨类植物组织培养研究进展

Xinhui regions is situated in the center and south of Guangdong province, the geographical position 22°05′43″～22°48′24″N, 112°47′03″～113°15′24″E, south near by the south China Sea, which there were the vascular plants about 1 698 species, belonging to 209 families and 816 genera, among them the ferns 32 families, 54 genera and 82 species, the seed plants 178 families, 762 genera and 1 616 species.

该地区共有维管植物 1 6 98种 ,隶属于 2 0 9科 81 6属 ,其中蕨类植物 32科 5 4属 82种 ,种子植物 1 78科 76 2属1 6 1 6种 。

Analysis of Extraction and Partial Physico-chemical Properties of the Polysaccharides from Four Species of Pteridophytes;

4种蕨类植物多糖的提取及部分理化性质分析

The Pteridophyte Resources in Beijing Area and Evaluation of Landscape Application;

北京地区蕨类植物资源及园林应用评价

Approach on Resources of Pteridophyte in Beishan Forest Region;

北山林区的蕨类植物资源探讨

The results show that the content of fern spore positively,but gymnospermae pollen negatively correlated to bituminous "A" and resin,which also indicate that,although all the former organism do have the ability of hydrocarbon generation,there are obviously differences of the contribution to the soluble hydrocarbon.

结果表明:蕨类孢子含量与氯仿沥青“A”和非烃正相关,与饱和烃、芳烃则显著负相关,而裸子植物花粉则反之。

any of several ferns of the genus Blechnum.

乌毛蕨属的蕨类植物。

any of various ferns of the genus Dryopteris.

鳞毛蕨属的蕨类植物。

families of ferns and fern allies.

蕨类植物科和蕨类植物的同类植物。

The study of ferns.

蕨类植物学研究蕨类的科学

a fern of the genus Dryopteris.

鳞毛蕨属的一种蕨类植物。

a genus of ferns belonging to the family Pteridaceae.

属于凤尾蕨科的一个蕨类植物属。

a genus of ferns belonging to the family Dennstaedtiaceae.

凤尾蕨科的一个蕨类植物属。

A support for a fern sporangium or moss capsule.

蕨类孢囊或藓蕨果荚的支撑物

small evergreen ferns: lipferns; in some classifications placed in family Polypodiaceae or Adiantaceae.

小的常绿蕨类植物；唇果蕨；在一些分类中归入水龙骨科或铁线蕨科。

experimental biology of fer

实验蕨类植物生物学

evergreen fern of California and Baja California.

加利福尼亚的常绿蕨类。

a spleenwort of eastern North America.

北美东部的一种蕨类。

North American fern.

一种北美的蕨类植物。

fern having rootstock of a sweetish flavor.

根茎发甜的蕨类植物。

ferns growing in pots

长在盆内的蕨类植物

an undergrowth of shrubs and ferns

丛生的灌木与蕨类植物

Ferns reproduce by spores.

蕨类植物用孢子繁殖.

Ferns reproduce themselves by spores.

蕨类植物用孢子繁殖。