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structure damage rate
相关语句
  结构破坏率
     Compared with the uncultivated land,the soil aggregate,structure damage rate and soil porosity in different stands were better,and the stands whose densities were 1 325 trees hm -2 were best.
     土壤团聚体、结构破坏率和土壤孔隙度均比对照好 ,尤其是密度 1 32 5株· hm-2的巨尾桉林分表现更为突出
短句来源
  相似匹配句对
     Eliminating of subsurface damage structure
     光学元件亚表面缺陷结构的蚀刻消除
短句来源
     The structure of P.C.
     大跨度预应力混凝土斜拉桥(简称P.C.斜拉桥)结构不仅经济、美观,而且可以采用悬臂浇筑方法施工、使这一桥型得以迅速推广。
短句来源
     Damage Identification for Truss Structure
     桁架结构的损伤识别方法
短句来源
     The structure of C.
     剖析C.
短句来源
     Flexibility Curvature Rate Method in the Damage Identification Based on Structure Flexibility Matrix
     基于结构柔度矩阵损伤识别的柔度曲率比法
短句来源
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The soil chemical properties,soil enzyme activity,soil structure and soil pore components in hybrid of Eucalyptus Grandis×Eucalyptus urophylla plantation with different silvicultural density were investigated and compared The results showed that hybrid of Eucalyptus Grandis×E.urophylla stands with reasonable silvicultural density could enhance soil fertility,including the quantity of soil organic substances,the content of N,P and K,and the soil enzyme activity.Compared with the uncultivated land,the soil aggregate,structure...

The soil chemical properties,soil enzyme activity,soil structure and soil pore components in hybrid of Eucalyptus Grandis×Eucalyptus urophylla plantation with different silvicultural density were investigated and compared The results showed that hybrid of Eucalyptus Grandis×E.urophylla stands with reasonable silvicultural density could enhance soil fertility,including the quantity of soil organic substances,the content of N,P and K,and the soil enzyme activity.Compared with the uncultivated land,the soil aggregate,structure damage rate and soil porosity in different stands were better,and the stands whose densities were 1 325 trees hm -2 were best.

对不同经营密度和造林营林措施的巨尾桉林分林地的土壤化学性质、土壤酶活性、土壤结构和孔隙组成研究 ,表明合理经营密度以及采取合理的造林和营林措施的巨尾桉林分林地具有良好的培肥土壤能力 ,表现为提高土壤有机质、 N、 P、 K以及各种土壤酶活性 ;土壤团聚体、结构破坏率和土壤孔隙度均比对照好 ,尤其是密度 1 32 5株· hm-2的巨尾桉林分表现更为突出

The fractal models are applied to research the characters of soil aggregates developed from different purple parent material. The results show that the fractal dimensions are significantly regressive correlated with the structure damage rates of soil aggregates(r=0.961**,n=8)and the contents of waterstable aggregates(r=-0.958**,n=8); the fractal dimensions of soil aggregates particle fraction developed from different purple parent material are various; that of brown purple soil aggregates particle...

The fractal models are applied to research the characters of soil aggregates developed from different purple parent material. The results show that the fractal dimensions are significantly regressive correlated with the structure damage rates of soil aggregates(r=0.961**,n=8)and the contents of waterstable aggregates(r=-0.958**,n=8); the fractal dimensions of soil aggregates particle fraction developed from different purple parent material are various; that of brown purple soil aggregates particle fraction takes the first place, and that of dark purple argils aggregates fraction is minimum; it may be inferred that fractal dimension is a new index which evaluates soil physical fertility and soil erosionresistant capability.

运用分形模型对不同紫色母质发育的土壤团聚体特征进行研究,结果表明:土壤团聚体粒径分布的分形维数与土壤团聚体结构破坏率存在极显著正相关(r=0.961**,n=8),与>0.25mm水稳性团聚体含量存在极显著负相关(r=-0.958**,n=8);不同紫色母质发育的土壤团聚体粒径分布的分形维数存在差异,棕紫泥土壤团聚体粒径分布的分形维数最高,暗紫泥土壤团聚体粒径分布的分形维数最低。土壤团聚体粒径分布的分形维数是评价土壤物理肥力和土壤抗蚀性的一个新指标。

 
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