Laboratory study quantitatively on effect of organic content on strength of cement-mixed clays;
有机质含量对水泥土强度影响的室内定量研究
The influence and anti-influence of organic content on cemented soils strength;
有机质含量对水泥土强度的影响及对策
Analysis on microstructure of cement stabilized soil with different organic content
不同有机质含量水泥加固土微观结构分析
The results showed:(i)the content of organic matter of some purple soils were less than 1?%and lower than that of the yellow soil from Guizhou province;(ii)the ratio of humic acid to fulvic acid(HA/?FA)in purple soil was lower than 1 and higher than that of the yellow soil from Guizhou province;(iii)the percentage of the loosly combin.
本文对云南、贵州和安徽三省区紫色土有机胶体组成和特性作了初步探讨,其共同特点是:三省区紫色土有机质含量均小于1%,普遍低于贵州的对照土壤—黄壤的有机质含量;紫色土腐殖质的HA/FA值均小于1,比其对照土壤—黄壤HA/FA值高;紫色土结合态腐殖质中松结态和稳结态较紧结态低,紧结态占重碳的50%以上。
The relation between the wilting point with the soil physics characters as clay content,organic matter content and the salt content have been studied based on the experiments in field.
基于清徐大田土壤试验研究了土壤的凋萎系数与其土壤物理性粘粒含量、有机质含量以及土壤全盐含量之间的关系。
The quantitative analysis showed that soil organic matter content,stability of soil aggregates,and saturated soil infiltration are main factors influencing soil erosion ratio with both correlate coefficients and regression analysis through t.
定量分析表明,土壤有机质含量、土壤团聚体稳定性、土壤渗透性能等因素对土壤侵蚀率影响较大,相关系数和回归分析均达到了0。
Based on the characteristic of low organic matter content and barreness of soil in windy desert area of western Liaoning Province,effective ways of increasing soil organic matter content were put forward,including inereasing application of organic fertilizer,utilization of peat,straw returning,grain crop-green manure rotation,etc,so as to improve the sandy land in windy desert area.
针对辽西风沙地区土壤有机质含量低、土质瘠薄的特点,提出了该地区提升土壤有机质含量的有效途径,包括增施有机肥、草炭改土、秸秆还田、粮食作物与绿肥作物轮作等内容,以期促进风沙地区的沙地改良。
The swelling rate of several typical soils in Loess Plateau was measured and the influence of particle fraction,content of CaCO3 and organic matter on soil swelling rate was analyzed in order to probe into the mechanism of soil structure stability.
为了探讨影响黄土地区土壤结构稳定性的机理,对黄土高原几种典型土壤类型的膨胀率进行了测定,系统分析了颗粒组成、碳酸钙含量以及有机质含量对土壤膨胀性的影响。
There are many Methods to evaluate organic richness quantificationally and calculate total organic carbon content(TOC).
多测井组合法和多参数组合法可以定性识别烃源岩;密度测井法、自然伽马法、基于W—S方程的电阻率重叠法和双孔隙度法、含油气饱和度法、声波时差/电阻率交会法以及ΔlgR法等是定量评价有机质丰度,计算总有机碳含量TOC常用的方法。
Analysis the on Content of Agricultural Soil Organic Matter in Jinzhai Country
金寨县农田土壤有机质含量状况分析
While clay content played an important role in sorption capacity of the soils as SOM content was below 1%.
有机质含量低于1%时,黏粒含量对土壤的吸附能力有着重要影响;
Effective Ways of Increasing Soil Organic Matler Content in Windy Desert Area of Western Liaoning Province
辽西风沙地区提升土壤有机质含量的有效途径
While with SOM content below 1%,clay mineral played an important role in pyrene sorption and desorption process.
有机质含量低于1%时,黏粒和有机质含量都对土壤的吸附/解吸能力有重要影响。
Analysis on microstructure of cement stabilized soil with different organic content
不同有机质含量水泥加固土微观结构分析
Determination of Organic Matter Content in Soil from Different Areas in Qinghai
青海不同地区土壤中有机质含量的测定
Preferable oxidation conditions for determination of soil organic matter by hot hydration method
水合热法测定土壤有机质含量的氧化条件优选
RELATIONSHIPS BETWEEN SOIL ORGANIC MATTER CONTENT(SOM) AND pH IN TOPSOIL OF ZONAL SOILS IN CHINA
中国地带性土壤有机质含量与酸碱度的关系
Spectral Characteristics and Estimation of Organic Matter Contents of Different Soil Types
不同类型土壤的光谱特征及其有机质含量预测
A near-infrared spectral index for estimating soil organic matter content
一种估测土壤有机质含量的近红外光谱参数
Changes of organic matter content during aerobic co-composting of sewage sludge with straw
污泥好氧堆肥过程中有机质含量的变化
Research on the Influence of Organic Content on the Strength of Cement-stabilized Soil
有机质含量对水泥土强度影响的试验研究
Effects of Greening Modes on Urease Activities and Organic Matter Contents in Soils
绿化配置对土壤脲酶活性和有机质含量的影响
Effect of Paper-making Wastewater Irrigation on Organic Matter Contents in Soil of Marsh
造纸废水灌溉对湿地土壤中有机质含量的影响
Variation of Main Mineral Element and Organic Matter Contents in Different Soil Layer at Different Ages of the Early Bearing Walnut Orchard
不同树龄早实核桃园土壤主要矿质元素及有机质含量的变化
Study on the Marginal Productivity of Cultivated Land with Change of Soil Organic Matter in China;
中国耕地有机质含量变化对土地生产力影响的定量研究
given nitrogen rich organic matter in soil
在土壤中施含氮量高的有机质
Study on the determination of the content of organic amine impurities in DMDAAC
DMDAAC中有机胺杂质含量测定方法研究
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