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- The paper deals with the effect of MAP and DAP on zinc adsorbed by loess soil and the biological effect of MAP and DAP. 本文研究了MAP和DAP对黄土土壤吸附锌的影响及生物效果。
- The paper describes the interior stability analy sis on slope of deep excavation pits in loess soil. 讨论了黄土类深基坑开挖边坡土钉支护结构内部稳定性分析计算和设计方法。
- Test is carried out to study the physical and mechanical property of lime loess soil and the significance of quality control during the construction of lime loess foundations. 对黄土灰土的物理力学性质和黄土灰土地基施工过程中的质量控制要点进行了试验研究,分析了各种因素对施工质量的影响。
- This paper studied the sorption behavior of three ionizable organic compounds(IOCs),such as 2?4-dichlorophenol(DCP),2?4-dinitrophenol(DNP)and benzoic acid(BA),on loess soil modified with a cation surfactant-brimide hexadecyltrinethylammonium(HDTMA). 研究了 2 4 二氯苯酚、 2 4 二硝基苯酚和苯甲酸三种可离子化有机化合物在天然黄土和阳离子表面活性剂改性黄土中的吸附行为 .
- There were apparent effects of long-term fertilization on labile organic matter fractionations in red soil and grey-desert soil,while its effects were less in loess soil and fluvo-aquic soil. 潮土以中活性有机质为主。施肥对红壤、灰漠土活性有机质组分影响明显,对垆土、潮土影响相对较小。
- Phenanthrene and naphthalene were chosen as organic contaminant indicators in loess soils modified by cation surfactant, hexadecyl-trimethylammonium bromide (HDTMAB). 研究了萘和菲在天然黄土和阳离子表面活性剂改性黄土上的吸附动力学过程。
- The increasing of water transmetting rate in cultivated loessial soil was larger than that in lou soil. 在相同的土壤含水量条件下，增加温度可提高土壤非饱和导水率，其导水率温度效应值?v土>,黄绵土。
- By leaching experiment in soil columns, the purification and migration characteristics of arsenic in loessial soil were stud-ied. 通过土柱淋滤试验,从动态角度研究了黄土性土壤对砷的净化作用及迁移规律。
- Study on Soil Erosion Model in Loess Soil Sloping Field 黄土坡地不同利用方式土壤侵蚀模型研究
- Interactions of water and phosphorus on growth and yield of spring wheat were conducted by pot experiment with loessial soil in controllable greenhouse. 摘要在温室条件下进行了黑垆土水磷互作对春小麦生长及产量影响的研究。
- Tong Y A,Zhang W X,Han W S,Deng J L.Transformation of different N fertilizer in Manural loessial soil and Huangmian soil[J].Chinese Journal of Soil Science.1994,25(3):107-108. [9]同延安;张文孝;韩稳社;邓金兰.;不同氮肥种类在()土及黄绵土中的转化[J]
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- There are no changes in dark loessial soils and loessial soils in the Loess Plateau, Cinnamon soils in Shanxi Province and irrigated silting soils in northeastern Xinjiang. 黄土高原的黑垆土和黄绵土区，山西北部的褐土区、新疆西北部的灌耕土区没有明显变化。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么？
- Mainly chernozem soil, followed by loess. 土壤主要是黑钙土，其次是黄土。
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- Water has permeated (through) the soil. 水已渗遍那片土壤。
- There are some clods of soil on the mat. 垫子上有些土块。
- The earth in the garden is good, soft soil. 花园里的泥土松软肥沃。
