Paraalnipollenites

用法例句

Cytological study on Alnus in China (1);

中国桤木属植物的细胞学研究(Ⅰ)

Cytological Study on Alnus Species in China;

中国桤木属植物的细胞学研究

Correlations between Alnus Host Species and Associated Endosymbiotic Frankia Populations from Nodules;

Frankia菌与桤木属宿主植物共生关系的初步研究

Study on Water Conservation Capacity of the Mixed Plantations of Alnus cremastogyne and Cunninghamia lanceolata;

桤木杉木混交林水源涵养能力研究

Variation of Fruiting Quantity and Nut and Seed Characters of Alnus cremastogyne Clones;

桤木不同无性系结实量与种实性状变异

Preliminary Report on Selection of Alnus cremastogyne Provenances/Families;

桤木地理种源/家系选择试验初报

Study on the improved potential of fine pulpwood Alnus cremastogyne Burk;

桤木优良造纸材改良潜力研究

and Alnus cremastogyne Burk mixed forests.

对20a生杉木、桤木混交林丰产效果和机理进行研究,结果表明:混交林内桤木自然保存率低于杉木;杉木单株材积、单位面积材积分别大于桤木4。

wood of any of various alder trees; resistant to underwater rot; used for bridges etc.

桤木属树木的木料，抗水蚀，用于造桥梁等。

Correlations between Alnus Host Species and Associated Endosymbiotic Frankia Populations from Nodules;

Frankia菌与桤木属宿主植物共生关系的初步研究

type and sole genus of the Clethraceae; deciduous shrubs or small trees: white_alder, summer-sweet.

桤叶树属的模式单属；双子叶的灌木或乔木。

Research on the Biological Character of A.sibirica and A.mandshurica;

东北桤木和辽东桤木生物学特性研究

Comparative Study on Wood Properities of Alnus Cremastogyne Burkill and Aluns Formosana Makino;

桤木与台湾桤木人工林木材性质比较研究

alder: tree of the birch family,usu growing in marshy places

桤木（桦木科,通常生长于沼泽地带）.

Status on Pulping/Papering Research of Alder and Prospect of Utilization of Alder Pulp Wood in China

桤木制浆造纸研究现状与我国桤木浆的开发利用

Water Holding Characteristics of Litter in Two Types of Alnus cremastogyne burk Plantation

对四川桤木和台湾桤木人工林枯落物持水特性研究

A Preliminary Discussion on Effect of Artificial Inoculation on the Nodule Formation and Nitrogen Fixation of Alder

人工接种对桤木结瘤固氮的效应初探

A PRELIMINARY STUDY ON DORMANCY AND GERMINATION OF TRABECULATE ALDER SEED

江南桤木种子休眠和萌发的初步研究

Study on the Nodule Nitrogen Fixation Ability of Alnus nepalensis Secondary Forest in Ailao Mountain

哀牢山桤木次生林根瘤固氮能力研究

Study on Prepare Process for Alder Wood Polymer Composite

西南桤木木塑复合材料处理工艺的研究

Stand Biomass and Its Distribution of Mixed Forests of Alnus cremastogyne and Cunninghamia lanceolata

桤木×杉木混交林生物量及分布格局研究

The alder nitrogen fixation promoted growth of the after crop.

十年生桤木林采伐迹地上,桤木固氮改良土壤,并促进后续植物的生长.

laurel, viburnum and alder, great ferns

在一年的大部分日子里，月桂、荚莲、桤木、大蕨

The Origin and Development of Adventitious Roots in Alder Cuttings

桤木插穗不定根发生与发育的解剖学观察

A study of ecological geochemical warning of the forest soil in an alder plantation

人工桤木林林地生态地球化学预警评价研究

Study on Characteristic Variation of Half-sib Pollination Offspring of Alnus Formosana during Seedling Period

台湾桤木半同胞授粉子代苗期性状变异的研究