1) sandy soil
沙土
1.
Experiments of lowering the temperature of sandy soil speedily at night by heat-pipe technology;
用热管技术增大夜晚沙土降温幅度的实验研究
2.
The distribution characteristics of sandy soil densities on the dune surface and it s genesis;
沙丘表面沙土密度分布特征及其成因
3.
Effect of polyacrylamide on improving sandy soil property;
聚丙烯酰胺对沙土改土保肥的作用
2) sand
[英][sænd] [美][sænd]
沙土
1.
Representative sands were sampled on the basis of the investigation into the oil contamination of soil-water systems in the Jiaozhou-Bay.
在对滨海沙滩(胶州湾)沙土-水系统石油污染调查的基础上,选择代表性的沙滩进行取样,系统测定不同沙土对可溶性油的吸附动力学曲线和吸附等温线,并分析了含沙量、粒径、温度、pH和盐度对吸附作用的影响。
2.
Loess, sand and coal ash samples were collected at several mineral aerosol sources to analyze the particle size as well as the major and trace elements.
黄土的颗粒最细 ,91 %的黄土颗粒可以形成矿物气溶胶进行长距离输送 ;沙土较粗 ,只有 1 5 %的沙尘颗粒可以形成矿物气溶胶 ;2个煤灰样品的粒径差异较大 ,抚顺煤灰中 <74μm的颗粒高达 3 9% ,而呼和浩特煤灰只有 7% 。
3.
It has been shown by allalysis that to predict the multi-pass performallce of a driven wheel on sand with Bekker s theory will result in a larger error.
应用本文的方法，可明显改善刚性驱动轮在松散沙土上重复通过时牵引性能的预测精度。
3) dunesand
沙丘沙土
4) sand
[英][sænd] [美][sænd]
沙，沙土
5) land desertification
土地沙化
1.
Study on Remote Sensing of the Degree of Land Desertification in the West of Ji Lin Province;
吉林西部土地沙化程度遥感研究
2.
Based on the field research,correlativity of land desertification and water resources(including natural precipitation,ground run off,groundwater),population,cultivated land,livestock,and grain output were analyzed quantitatively by using mathematical statistics method.
以甘肃民勤县土地沙化为研究对象,在实地调查研究的基础上,采用数理统计的方法,对土地沙化与水资源(包括自然降水、地表径流、地下水)、人口、耕地、林地、牲畜、粮食产量等因素之间的相关性进行了定量分析,科学揭示出了民勤土地沙化扩展加剧的驱动机制,为综合整治土地沙化问题提供了科学决策依据。
3.
Based on the data of field investigation,monitoring and remote interpretation and referring to the data researched by predecessors,the monitoring condition of land desertification of north-west area of Sichuan province is presented and the desertification cause is analyzed.
根据野外调查、监测与遥感解译,结合前人研究资料,论述了对川西北地区沙化土地的监测情况,分析了其沙化原因,川西北土地沙化有自然因素和人为因素2个方面。
6) fixing solid and maintaining soil
固沙保土
补充资料：沙土
1.含沙多的土壤。 2.沙和土。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条