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落叶松     
相关语句
  larch
    Study of Larch Allelopathy on Manchurian Walnut
    落叶松对胡桃楸化感作用的研究
短句来源
    Fine Root Turnover and Carbon Allocation in Manchurian Ash and Davurian Larch Plantations
    水曲柳落叶松人工林细根周转与碳分配
短句来源
    OPTIMUN DENSITY IN THE MANAGMENT OF LARCH PLANTATION
    落叶松人工林成林合理经营密度的探讨
短句来源
    PRELIMINARY STUDY ON THE EVAPOTRANSPIRATION IN XINGAN LARCH FOREST
    兴安落叶松森林蒸腾的初步研究
短句来源
    STUDY ON THE STRUCTURE OF THE LARCH WOOD COMMUNITY
    人工落叶松林群落结构的研究
短句来源
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  larix
    Comparing Study on Intraspecific Type(Red Wood) and form (White Wood) of Larix Gmelinii (Rupr.) Rupr.
    兴安落叶松种内红材型与变异类型-白材型的比较研究
短句来源
    Research on the Hydrological Process and Laws of Larix Gmelini Ecosystem at the Greater Xingan Mountains
    大兴安岭落叶松林生态系统水文过程与规律研究
短句来源
    Compare Study on Nutrient Ecology of Pinus Koraiensis and Larix Olgensis Plantation Ecosystems
    红松和落叶松人工林养分生态学比较研究
短句来源
    A Study on Genetic Diversity of Different Geographic Provenances of Larix Gmelinii(Rupr.) Rupr and Its Utilization
    兴安落叶松地理种源遗传多样性与利用研究
短句来源
    Study on the Induced Resistance of Larix Gmelinii to Insects
    兴安落叶松诱导抗虫性研究
短句来源
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  larix spp
    Selection and Application of Excellent Ectomycorrhizal Fungal Strains from Larix spp.
    落叶松外生菌根真菌优良菌株筛选及其在造林中的应用
短句来源
    STNDY ON THE BIOMASS OF LARIX SPP. FOREST COMMUNITY IN THE FRIGID-TEMPERATE ZONE AND THE TEMPERATE ZONE OF CHINA
    中国寒温带、温带落叶松林群落生物量的研究概述
短句来源
    INTRODUCTION OF LARIX SPP. AND THEIR GROWING EFFECTS IN SHAANXI
    落叶松引种及其在陕西生长的效果分析
短句来源
    X—ray absorption coefficients of early wood and late wood were measured with photograph. Seven species, such as Pinus koraiensis, Larix spp. and so on, were measured.
    本文介绍了一种测量木材早、晚材X射线吸收系数的方法——照相法,并用这种方法对红松、落叶松等7种木材进行测量,获得了它们的早、晚材X射线吸收系数的数据,并对结果进行了分析。
短句来源
    199. 876 t/hm2, 7. 60 t/(hm2. a) and 0.0380 , respectivily of L.gmelinii forest. The biomass, productivity and NP/B of Larix spp. population are 214. 31 t/hm2, 11. 44 t/(hm2. a) and 0. 053 4, respectively of L.principis-rupprechtii population;
    年净生产量:华北落叶松混交林为13.82和11.44t/hm2·a,长白落叶松林10.10和9.48t/hm2·a,阿尔泰落叶松混交林9.74和8.21t/hm2·a,兴安落叶松林7.6和7.17t/hm2·a;
短句来源
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  larch wood
    STUDY ON THE STRUCTURE OF THE LARCH WOOD COMMUNITY
    人工落叶松林群落结构的研究
短句来源
    The Radial Variation Patterns of Anatomical Characteristics of Larch Wood for Different Planting Density
    不同初植密度兴安落叶松人工林木材解剖特征的径向变异
短句来源
    Taking the larch plantation'at Laoshan Experimental Station. Maorshan Experimental Forest Farm of Northeast Forestry University as an example. the authors analyzed the effects of different thinning densities on the physical mechanics properties of larch wood.
    以东北林业大学帽儿山实验林场老山实验站的人工落叶松林为例.试验分析了重度间伐、轻度间伐和未间伐3种间伐强度对人工落叶松林木材物理力学性质的影响.结果表明:间伐对于人工林木材的物理力学性质有较大影响、影响程度与间伐强度有关。
短句来源
    In order to improve bond properties of Larch wood,its surface was treated with H2O2 solution and effect of the treatment was examined.
    为提高用水性高分子异氰酸酯胶粘剂(API)胶接的落叶松木材的胶接性能,采用H2O2溶液对落叶松表面进行活化处理。
短句来源
    The osmolarity of larch wood under normal temperature
    常温下落叶松材的渗透性
短句来源
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  larch
The experimental results are listed below: 1) 5-aminolevulinic acid (ALA) synthetic rate increased as nitrate concentrations supplied to larch seedlings increased from 1 to 8 mmol/L.
      
The activities of porphobilinogen (PBG) synthase reached a maximum when larch seedlings were supplied with 8 mmol/L of nitrate or 1 mmol/L of phosphate.
      
2) when larch seedlings were supplied with 8 mmol/L of nitrate and 0.5 mmol/L of phosphate, the contents of chlorophyll a, chlorophyll b, total chlorophyll, and carotenoids reached a maximum.
      
Variations of fine root diameter with root order in Manchurian ash and Dahurian larch plantations
      
A landscape model (LANDIS) was used to study the long-term forest dynamics under five planting types (100% larch (P1); 70% larch and 30% Mongolian Scotch pine (Pinus sylvestris var.
      
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  larix
In our experiments, one-year-old Larix olgensis seedlings were cultivated in sand, and supplied with solutions with different concentrations of nitrate or phosphate.
      
mongolica, Pinus koraiensis and Larix gmelinii) and natural secondary forests (Fraxinus mandshurica, Quercus mongolica and Populus davidiana).
      
The results showed that the river flow increased in the initial ten years after forest harvesting, but decreased gradually with the growth and crown closure of the Larix gmelini plantations.
      
Density structure and growth dynamics of a Larix principis-rupprechtii stand for water conservation in the Wutai Mountain Region
      
To discover the site adaptability and density suitability of Larix principis-rupprechtii as a water conservation forest in Wutai Mountain, Shanxi Province, the growth process and diameter distribution characteristics of 10-year-old artificial L.
      
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  larix spp
Larches (Larix spp.), deciduous conifers, occur in the northern hemisphere in cold-temperate and boreal climates - an environment normally thought to favor evergreen tree species.
      
We compare foliar carbon isotope discrimination (Δ), instantaneous water use efficiency, total foliar nitrogen concentration, and specific leaf area (for a subset of sites) between Larix spp.
      
At elevations greater than 3000?m, the Δ of Larix spp.
      
Deciduous larches,Larix spp., and evergreen pines,Pinus spp., are sympatric Pinaceae conifers.
      
One type of putative mycorrhizal association, ectendomycorrhiza, is confined to Pinus and Larix spp.
      
更多          
  larch wood
The role of readily hydrolyzable polysaccharides of larch wood in manufacture of board materials
      
Role of readily hydrolyzable polysaccharides of larch wood in production of board materials is studied.
      
The quick determination method of resin content in larch wood
      
The resin content in larch wood is usually determined by the traditional Benzene-Alcohol Extract Method (BAEM).
      
GCP and APP were used as flame retardants for poplar wood and larch wood, and their flame retardancy(OI), permeability (Surface electron spectroscopy), water-repellency and corrosion toward nail evaluated.
      
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