常見例句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對黃土土壤吸附鋅的影響及生物效果。The paper describes the interior stability analy sis on slope of deep excavation pits in loess soil. 討論了黃土類深基坑開挖邊坡土釘支護結構內(nèi)部穩(wěn)定性分析計算和設計方法。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. 對黃土灰土的物理力學性質(zhì)和黃土灰土地基施工過程中的質(zhì)量控制要點進行了試驗研究,分析了各種因素對施工質(zhì)量的影響。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種可離子化有機化合物在天然黃土和陽離子表面活性劑改性黃土中的吸附行為 .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. 潮土以中活性有機質(zhì)為主。施肥對紅壤、灰漠土活性有機質(zhì)組分影響明顯,對壚土、潮土影響相對較小。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黃土和陽離子表面活性劑改性黃土上的吸附動力學過程。 返回 loess-soil