Synergistic nitrification-inhibiting effect of elemental sulfur and dicyandiamide in a typical vegetable soil;
元素硫和双氰胺对菜地土壤铵态氮硝化抑制协同效应研究
The heavy metals pollution in vegetable soil around the transportation skeleton line in molybdenum ore areas was investigated.
选择采集钼矿区交通运输干线周边菜地土壤样本180个,采用HNO3-HF-HClO4混酸对土壤样品进行处理,运用等离子体发射光谱仪(ICP-OES)测定土壤样品中Mo、Pb、As、Hg、Cr、Cd、Zn、Cu、Ni的含量,全面系统地评价土壤重金属污染现状,并进行元素形态分析,同时对矿区周边水域中重金属元素的含量也进行了分析测定。
This paper reported the content of total phosphorus (P), organic P, available P, and inorganic phosphorus (Pi) fractions in vegetable soils.
以在潮土上形成的菜地土壤为材料,研究了菜地土壤全磷、有机磷、有效磷、无机磷组分含量变化及其土体分布特征,结果表明:潮菜地土壤磷素积累量大、积累速度快,10年左右的菜地土耕层全磷含量增加1000mg/kg左右,积累速度约100mg/(kg·a)。
Effects of soil textures and emitter material on the soil water movement and efficiency of negatively pressurized irrigation system;
土壤质地和灌水器材料对负压灌溉出水流量及土壤水运移的影响
The influence of soil texture bulk density and water applied methods on point source infiltration;
土壤质地、密度及供水方式对点源入渗特性的影响
Relation of soil clay and soil texture in Qinchuan Basin in Gansu;
秦川盆地土壤粘土矿物特征与土壤质地的关系
Phosphorus sorption/desorption characteristics of wetland soils in Sanjiang Plain;
三江平原湿地土壤磷的吸附与解吸研究
Effects of temperature and soil moisture on wetland soil organic carbon mineralization;
温度、水分对湿地土壤有机碳矿化的影响
Phosphorus release from wetland soil in the Nanjishan nature reserve of Poyang Lake
鄱阳湖南矶山湿地土壤磷释放研究
Changing trend of organic matter and nutrient content in cultivated land of the Ningxia irrigation area of yellow river;
宁夏引黄灌区耕地土壤有机质及养分质量分数变化趋势
It has been 20 years since the Second Soil Census,in order to know the dynamic change of soil phosphorus,the data of soil phosphorus in cultivated land in Ankang from 1995 to 2003 is analyzed and the result is compared with the Second Soil Census.
第二次土壤普查迄今已20年,为了摸清土壤磷素的变化动态,对安康市1995～2003年耕地土壤有效磷化验资料进行了统计分析,并与第二次土壤普查结果进行了比较研究,结果表明,土壤有效磷呈上升趋势,严重缺磷土壤减少,但中高山地区土壤缺磷依然严重。
Molecule Characteristics in Chinese Temperate Soils and Their Significant Biomarker Changes in Loess-red Clay Sequence;
我国温带现代土壤类脂物的分布特征及其在红粘土—黄土中的变化
Characteristics and Climatic Implications of Biomarkers in Modern Soils along North-south Transection of East Asia and Lacustrine Sediments
东亚南北气候区现代土壤及湖相沉积中生物标志物特征与气候意义
The Value Orientation of the Modern Criminal Law Should Pull out of the Feudalistic Thinking;
现代刑法价值取向应脱离封建思想的土壤
The Responsibilities of Soil and Fertilizer Institute in the Modernization
土壤肥料学会在农业现代化建设中的责任
On the Historic Source of Modern Chin ese Biographical Literature;
中国现代传记文学的土壤根基——现代传记文学的民族特色研究之一
Introduction of Modern Landscape Conception of China and Survival Soil of Development of Early Modern Landscape
中国现代景观概念的引入与早期现代景观发展的生存土壤
MODERNIST CHARACTERS IN AI QING S POEMS;
深植根民族土壤 广采撷世界诗艺——艾青诗中的现代主义影响
Discussion on the countermeasures of sustainable use of arable land soil resource under the development of Beijing metropolis type modern agriculture
北京都市型现代农业发展与耕地土壤资源可持续利用对策探讨
After having occupied previously the high fertility soils, sugarcane is now moving toward low fertility soils.
以前甘蔗占用高肥力土壤，现已转向低肥力土壤。
The Effect of Different Land Use Patterns on Soil Quality
土地利用方式的变化对土壤质量的影响——以现代农业生态观光区为例
Current Situation and Techniques of Remediating of Petroleum Contaminated Soils of the Loess Area;
黄土区石油污染土壤的现状及其修复
Library is the Fine Soil for Practizing the Theory of "Three Representations;
图书馆是实践“三个代表”的优质土壤
Impact of Alternative Technologies to the Use of Methyl Bromide on Soil Protozoa Community in Greenhouses;
甲基溴土壤消毒替代技术对温室土壤原生动物群落的影响
Gully Development and Soil Erosion in the Loess Yuan Region since Yuan Dynasty;
元代以来黄土塬区沟谷发育与土壤侵蚀
From the foot to the top of Jinfo Mountain, the soils appear as yellow soil, dark yellow soil, yellow brown soil and brown soil.
土壤分带性主要表现为：从山下向山顶依次为黄壤、暗黄壤、黄棕壤和棕壤。
That concentration is50 times as high as modern values and seven times as high as the upper limit on CO2 that the studies of ancient soils revealed.
如此超高浓度是现代的50倍，而且是由古土壤测出的二氧化碳上限值的七倍。
Boulder: also bowlder,a large rounded mass of rock lying on the surface of the ground or embedded in the soil.
巨砾,圆石:在地表上或埋在土壤中的大而圆的岩石块些美国现代作曲家。
Consider that the same cultural soil producing the English language also nourished the great principles of freedom and rights of man in the modern world.
试想，形成英语的这种文化土壤同样也培育出了现代世界关于自由和人权的伟大理论!