physical properties of soils 中文意思是什麼
physical properties of soils
解釋
土壤的物理性質- physical : adj 1 物質的，有形的，形而下的 （opp psychical spiritual mental moral）; 確鑿的；外界的。2 身體的...
- properties : （特性）命令修改特性
- of : OF ＝Old French 古法語。
- soils : 土壤
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The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test, pinhole test, crumb test, tests to defermine salt content of pore water and percentage of exchangeable sodium
摘要應用碎塊、針孔、雙比重計、孔隙水可溶鹽和交換性鈉百分比等五種試驗方法，結合物理化學性質和礦物成分分析，對西郊、三坪兩水庫大壩心墻土樣進行了多種方案的分散性試驗及長期滲流條件下的滲透變形試驗和鹽分運移試驗。 -
The concentrations of copper, lead and zinc in the shoot of e. splendens were affected by chemical and physical properties, such as full contents of heavy metals in soils, soil ph and organic carbon content, etc. the shoot can accumulate copper more on the red sandy paddy soil collected from dongxiang country, jiangxi province, than on silt paddy soil from fuyang country, zhejiang province. e. splendens took up much less copper from fuyang soils, the concentrations of zinc and lead in shoot were not also quite low
在酸性紅砂土上植物對銅的吸收和富集隨土壤銅含量的增加而顯著升高；而在銅、鋅、鉛復合污染的中性泥沙土上海州香薷體內銅含量和積累量不高，處于正常植物生長范圍內，植物體內鋅、鉛含量及其積累量也不高，海州香薷對重金屬的吸收和富集能力有限。 -
Abstract : by analysis on the physical and chemical properties of rhizosphere and nonrhizosphere soils of zanthoxylum bungeanum with soil and water conservation economic benefits in karst valley of guizhou province, the soil characteristics suiting zanthoxylum bungeanum growth well was studied, and some major technical measures of developing zanthoxylum bungeanum production has been put foward
文摘:測定了貴州喀斯特峽谷水保經濟植物花椒根際和非根際土壤的理化性質；探討了適宜花椒生長的土壤特性；提出了發展花椒生產的主要技術措施。 -
Eng. ) we teach soil definition, soil classification, soil architecture and physical properties, soil aeration and temperature, soil colloids, soil acid, alkalinity and salinity, soil organisms, soil organic matter, nitrogen and sulfur economy of soils, soil phosphorus, potassium and micronutrients, practical nutrient management
中）主要講述土壤的基本定義，土壤的化育、生成與分類，土壤的物理、化學與生物特性，土壤的通氣與溫度，土壤膠體特性，土壤的酸性、堿性和鹽性，土壤中的元素，土壤管理等。
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