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1)  soil component
土壤组成
1.
The influence of rainstorm on soil components and properties:a case study of Biyang rainstorm area,Henan province;
暴雨对土壤组成和性质的影响——以河南省泌阳暴雨中心区为例
2)  soil mechanical composition
土壤机械组成
1.
Taking southeastern margin of Tengger Desert and Southwestern margin of Mu Us Sandland for example,the authors study the dynamic change of soil mechanical composition and soil nutrient of lands with different desertification degrees during the recovering process.
以毛乌素沙地西南缘的盐池县沙边子及位于腾格里沙漠东南缘的沙坡头地区为例,研究了该地区不同程度沙漠化土地恢复过程中土壤机械组成及土壤养分的动态变化。
2.
Through collecting samples of 0-20cm surface soil in Dezhou by laser particle sizer,the soil mechanical composition test was taken.
土壤机械组成是土壤最基本的参数之一。
3.
The soil mechanical composition and soil nutrient can be ameliorated by enclosure and shelter belt,and the average percentage composition of fine sand,sand clay and physical clay have been increased respectively 4.
结果表明,封育和防护林带可以显著地改善沙化草场土壤机械组成,提高土壤养分含量,其中细沙、粗粉沙和物理黏粒的平均百分含量较未封育沙化草场分别增加了4。
3)  soil particle composition
土壤颗粒组成
1.
Trend effect and anisotropy of soil particle composition in alluvial regions;
冲积平原区土壤颗粒组成的趋势效应与异向性特征
2.
Spatial variability analysis of soil particle compositions and soil profile horizon in field;
农田土壤颗粒组成及其剖面分层的空间变异分析
4)  compositions of soil humus
土壤腐殖质组成
1.
Field investigation combined with quantitative analysis was used to study the carbon content of organic matter,compositions of soil humus and their combining forms in rhizosphere and non-rhizosphere soil in Pinus koraiensis plantations(25,45,58,68 years old) and the Pinus koraiensis-Tilia amurensis mixed forest(60 years old).
就土壤腐殖质组成而言,除林龄58 a红松人工林根际土壤和45 a红松人工林非根际土壤外,其他林型土壤胡敏酸含碳量均高于富里酸含碳量;胡敏酸与富里酸比值(HA/FA)在1。
5)  soil compositions and properties
土壤组成和性质
1.
There were some vertical varying laws of soil compositions and properties on the southern slope of Funiu Mountain.
在野外土壤调查和室内土壤理化分析的基础上,开展了伏牛山南坡土壤组成和性质垂直分异、土壤类型划分以及亚热带北界问题的讨论。
6)  Soil granule composition
土壤团聚体组成
补充资料:组成
分子式:
分子量:
CAS号:

性质:化合物或溶液(混合物)中各个成分的相对含量。用重量比表示的称重量组成,用百分数表示的称百分组成。例如水和重量组成是氢:氧=1.00797:7.9997重量单位;它的百分组成是氢11.19%,氧88.81%。又如蔗糖10克溶解在90克水中的溶液,其重量组成是蔗糖10克比水90克,百分组成是蔗糖10%,水90%。

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