Picea glauca是什么意思

网络释义

用法例句

Stuey on Morphology Physiology and Stress Resistance of Picea glauca of North America;

白云杉种源早期选择研究

A preliminary report on introduction trial of Picea glauca in Heilongjiang Province of China;

北美白云杉引种育苗试验初报

Studying On The Growth Characteristics of The Black Spruce and the White Spruce During the seedling stage;

黑云杉、白云杉苗期生长性状研究

In this work main chemical changes between green wood and air dried wood, heartwood and sapwood in their extractives of Picea jezoensis var.

研究长白鱼鳞云杉、臭冷杉的木材及其抽出物化学组成,并分析生材与气干材、心材与边材中各种化学组成变化的规律。

Study on the Degradation of 9 Species of Edible Fungi to Spruce Lignin and Cellulose;

9种食用菌对云杉木质素及纤维素降解的研究

Approach on Eliminate Spruce Woods of Diseases and Pests in Maixiu Forest Zone Huangnan;

浅谈黄南州麦秀林区云杉病虫害木清理

Gene Differentiation in Natural Population of Picea asperata and Sampling Strategies for Ex situ Germplasm Resource Conservation;

云杉天然群体基因分化与种质资源异地保存抽样策略

Growth Trait Variation of Picea asperata at Seedling Stage and Provenance Selection;

云杉种源苗期性状变异及种源选择初步研究

Genetic differentiation and Provenance Division of Natural Population in Picea asperata;

云杉现有天然林的遗传分化和种源区划分

Relationships between ecological site quality and site index of lodgepole pine and white spruce in Northern British Columbia

不列颠·哥伦比亚省北部小杆松及白云杉立地指数与生态立地质量的关系

Spatial structure of mixed larch-spruce-fir stands

长白落叶松-云杉-冷杉混交林林分空间结构分析

RAPD Analysis on Genetic Diversity of Picea mongolica(H.Q.Wu.) W.D.Xu and its Close Relative Species P.koraiensisNakai and P.meyeriRehd. et Wils

沙地云杉与近缘种红皮云杉和白扦遗传多样性的RAPD分析

STUDY ON THE CHEMICAL COMPOSITION OF WOOD AND EXTRACTIVES OF PICEA JEZOENSIS VAR. KOMAROVII AND ABIES NEPHROLEPIS

长白鱼鳞云杉和臭冷杉的木材及其抽出物化学组成的研究

THE RESEARCH ON THE WEAK ACIDIC CONSTITUTION IN SOLVENT EXTRACTIVES OF PICE A JEZOENSIS VAR. KOMAROVII AND ABIES NEPHROLEPIS WOOD

长白鱼鳞云杉、臭冷杉木材溶剂抽出物中弱酸性物质组成的研究

Study on Management Mode for Spruce-Fir and Broad-leaved Trees Mixed Forests in the Over-logged Forest Region of Changbai Mountain;

长白山云冷杉针阔混交林经营模式研究

Study on Ecological Logging and Regeneration Techniques for Spruce-Fir Forests in Changbai Mountain;

长白山云冷杉林生态采伐更新技术研究

Analysis on Natural Regeneration of Spruce-Fir Mixed Stands and Seedlings Characteristics of Changbai Mountains;

长白山林区天然云冷杉林更新及幼树特征分析

Dynamics of Forest Succession and Restoration Strategies for Degraded Spruce-fir Forest in Changbai Mountain

长白山退化云冷杉林演替动态及恢复研究

Plant Important Value In Subalpine Spruce And Fir Forest In The North Slope Of Changbai Mountain

长白山北坡亚高山云冷杉林植物种类的重要值

Plant Composing In Subalpine Spruce And Fir Forest In The North Slope Of Changbai Mountain

长白山北坡亚高山云冷杉林的植物种类组成

Cold resistance Species selected are weeping willow,spruce,white elm,Chinese tamarisk and desert date.

经抗寒性分析得出垂柳、云杉、白榆、柽柳、沙枣抗冻性较强 ;

Study on the Gap Regeneration in Spruce-Fir Mixed Stand in Changbai Mountain;

长白山过伐林区云冷杉针阔混交林林隙更新研究

Study on the Structure of Spruce-Fir Mixed Stands in the Over-logged Forest of Changbai Mountains;

长白山过伐林区云冷杉针阔混交林林分结构的研究

Genetic Variation of Plant Hormone,NR and Soluble Protein Among the Provenances of Picea Koraiensis;

红皮云杉种源间植物激素、硝酸还原酶和可溶性蛋白的遗传变异

Research on the relationship between growth and illumination of Picea koraiensis Nakai plantation of young forest in Changbai Mountain region

长白山地区红皮云杉人工幼龄林生长与光照关系的研究

Picea and Abies pollen percentages are more than 20[WTB3]%[WTBZ] in Picea or Abies forest and less than 5[WTB3]%[WTBZ] where Picea or Abies trees absent.

云、冷杉林中云杉、冷杉花粉高于20%,无云杉植物存在时云、冷杉花粉低于5%;

The growth of spruce and fir needles is determinate.

云杉和冷杉的针叶生长是有限的。