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土壤沙化
相关语句
  soil desertification
     Status and countermeasures of soil desertification in northeast part of Gansu Province
     陇东北部土壤沙化现状及防治对策
短句来源
     The soil desertification, alkalization, high pH value, more amounts of calcic and bicarbnate etc.
     土壤沙化、盐碱化、高pH值、多石灰质和重碳酸盐等起主导作用。
短句来源
     Soil Desertification in Northern Part of Hebei Province and my Suggestion on its Control
     河北省北部地区土壤沙化及其防治建议
短句来源
     The soil desertification in northern part of Hebei province is getting moreand more serious.
     河北省北部地区土壤沙化有日趋发展之势。
短句来源
     Grassland degradation, land salinization and soil desertification(DSD) are typical ecoenvironmental problems in the west of Jilin Province. Based on a GIS platform, the land use information from 1986,1996 and 2000 are processed and analyzed.
     基于地理信息系统平台,对吉林省西部1986年、1996年和2000年的土壤沙化、盐碱化和草原退化(简称"三化")专题数据、土地利用状况数据、基础地理数据、人文和经济统计数据等进行融合处理和分析。
短句来源
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  “土壤沙化”译为未确定词的双语例句
     By analyzing the mechanical composition of soil particles in different profile depth of 29 farmlands in Zhangwu County,the desertification degree(DD) of farmland soil was quantificationally classified,based on the rate of large particle(>0.1mm) content to small particle(≤0.1mm) content. The hierarchies were as follows: Ⅰ(DD>5),very severe;
     通过对采自彰武地区29个农田土壤剖面不同深度土壤颗粒的机械组成分析,根据粒径>0.1 mm与≤0.1 mm颗粒含量的比值DD(desertification degree)的大小,定量地划分农田土壤沙化程度等级,各等级为:Ⅰ(DD>5),极严重沙化;
短句来源
     The land changed into sand and stone due to water erosion and wind erosion in Shandong province, are already expand to 3 615.3km~2. It amounts to 2.4% of total land area of the whole province, including 16 municipalities (prefectures), 115 counties (cities, districts) and it threatens production. life and living environment of 2 millions people directly.
     山东省因水蚀、风蚀造成的土壤沙化、石化面积,已经扩展到 3 615.3 km~2,占全省土地总面积的 2.4%,涉及 16个市(地)、115个县(市、区),直接威胁着 200万人民的生产、生活和生存环境。
短句来源
     Soil Sandification Situations in Northwestern Liaoning and the Cause Analysis
     辽西北土壤沙化现状与原因分析
短句来源
     Study on Characteristics of Freshly Plowed Soil Sandification and Measures of Prevention and Harness in Panxi District
     攀西地区新垦地土壤沙化特征与防治措施的研究
短句来源
     (2) of the upper layer, the soil mechanical composition became coarse and its sandifical characteristic became obvious gratually with the increase of grazing intensity;
     而NH4-N、NO3-N和速效磷含量则随放牧强度的增加降低的并不显著; (2)随着放牧强度的增加,土壤表层机械组成粗化,土壤沙化特征逐渐加强;
短句来源
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  相似匹配句对
     Status and countermeasures of soil desertification in northeast part of Gansu Province
     陇东北部土壤沙化现状及防治对策
短句来源
     The Countermeasures for Soil Sandification in Northwestern Liaoning
     辽西北土壤沙化的治理对策和措施
短句来源
     soil productivity;
     土壤生产力;
短句来源
     And thus function could not be ignored in the soil water and salt movement and redistribution in saline grassland.
     土壤含水.
短句来源
     (4) soil desertification;
     4)土地沙化;
短句来源
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  soil desertification
Impact of water environmental characteristics in Dry-Hot valley of Jinsha river on soil desertification
      
These factors expose coastal areas to morpho-hydro-geological hazards, such as soil desertification, frequency and degree of flooding, littoral erosion, and the silting of river mouths and channels.
      
In order to explore the potential of Nostoc as a countermeasure to soil desertification, we have investigated the effects of Nostoc on the chemical and physical properties of soil and on plant growth in outdoor and laboratory experiments.
      


Through the study of the distribution of bamboos and its relations to the local environment, the chief limiting factor on the distribution of bamboos is found to be the deficiency of water due to the destruction of vegetation, soil erosion, excess evaporation and meager soils.It is noticed that the bamboo forests are commonly distributed along the banks of streams, on the gentle slopes and deep valleys, etc., in strip and plot patterns.Therefore, it is very important for bamboo forest development to recover...

Through the study of the distribution of bamboos and its relations to the local environment, the chief limiting factor on the distribution of bamboos is found to be the deficiency of water due to the destruction of vegetation, soil erosion, excess evaporation and meager soils.It is noticed that the bamboo forests are commonly distributed along the banks of streams, on the gentle slopes and deep valleys, etc., in strip and plot patterns.Therefore, it is very important for bamboo forest development to recover forest vegetation, to prevent soil erosion and improve ecological condition.

通过竹类植物分布与环境的关系之研究,了解潜山县皖河以北的黄柏山区,限制竹类分布的主要因子,植被被破坏,水土流失严密,土壤沙化,因蒸发量过大,导致水分不足。所以,本县内的竹林分布规律是:依山傍水,山坞和山脚缓坡的局部地段呈块状或条状间断性分布。今后,黄柏区应首先恢复植被,保护土壤,改善生态条件的前提下,方能发展竹林生产。

Soil resources in sandy-hilly areas are abundant and hold great potentialities for yield increase. But there still exist some problems such as destification,water and soil loss degradation and salinization. The plant nutrients in soil are quite low. Results obtained from chemical analysis showed that 86—90% of areas are deficient in C and available P,Zn,Mo; 71—76.8% of areas are deficient in total N and available N,Mn,B. To increase and protect soil fertility resources, it is necessary to use land rationally,improve...

Soil resources in sandy-hilly areas are abundant and hold great potentialities for yield increase. But there still exist some problems such as destification,water and soil loss degradation and salinization. The plant nutrients in soil are quite low. Results obtained from chemical analysis showed that 86—90% of areas are deficient in C and available P,Zn,Mo; 71—76.8% of areas are deficient in total N and available N,Mn,B. To increase and protect soil fertility resources, it is necessary to use land rationally,improve ecological environment and do a good work in basic fertilizer. At the same time, the coal-mine development must be carried out in synchronous comprehensive control. And economical returns and ecological benefits must beobtained simultaueonsly.

风沙——丘陵区土壤资源丰富,增产潜力较大,但存在着土壤沙化、水土流失、肥力减退及盐渍化等问题。土壤养分含量低。分析表明:面积占80—90.8%的土壤缺乏有机质及有效P、Zn、Mo,71—76.8%的土壤全N、有效N、Mn、B不足。为保护和提高土壤肥力,必须合理利用土地,改善生态环境,搞好肥料基本建设。同时,煤田开发要与综合治理同步进行,并做到经济效益与生态效益并重。

Being a mountainous country, China's mountain area is about 70% of the total national land area. At present the ecological harm is going on quietly, a series of crisises such as sharp increase of population, deforestation, soil loss, land desertification, extinction of specieses, water pollution and crisis of water resource, etc. suggest that the protection of environment is as important as the development of economy. To harness small watershed comprehensively is the scientific way to expoite the mountaina rea.If...

Being a mountainous country, China's mountain area is about 70% of the total national land area. At present the ecological harm is going on quietly, a series of crisises such as sharp increase of population, deforestation, soil loss, land desertification, extinction of specieses, water pollution and crisis of water resource, etc. suggest that the protection of environment is as important as the development of economy. To harness small watershed comprehensively is the scientific way to expoite the mountaina rea.If the optimum ecological economys ystem of small watershed is created, natural resource used rationally, ecological environment protected permanently under the systimatic theory of ecological economy and the growth of population controlled strictly, evergreen mountains could be obtained and land be cultivated forever.

我国是一个多山的国家,山丘面积约占国土面积的70%.目前,生态危机正在静静地进行着,人口剧增、森林破坏、水上流失、土壤沙化、物种灭绝、水质污染和水源危机等一系列生态问题的出现,使人类清楚地认识到,发展经济和保护环境同等重要。小流域综合治理,是山区建设的科学方法。只有在生态经济系统理论的指导下,创立优化的小流域生态经济系统,合理利用自然资源,保护良好的生态环境,严格控制人口增长,才能实现青山常在,永续利用。

 
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