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土壤放射性污染
相关语句
  soil radioactive contamination
     SOURCES AND ACCUMULATION AND TRANSFER OF SOIL RADIOACTIVE CONTAMINATION
     土壤放射性污染的来源、积累和迁移
短句来源
  “土壤放射性污染”译为未确定词的双语例句
     On radioactive pollution forecast in soil of crop-fields near a uranium mine exhaust outlet
     铀矿井排风口尾气对周边农田土壤放射性污染的预测
短句来源
     Radioactive impurity in phosphate fertilizer can't cause pollution of soil.
     在现有施肥水平下,磷肥中放射性杂质不会导致土壤放射性污染
短句来源
     In the paper,that review survey of radioactivity level of soil is reported and some of sampling methods,requirement of sampling tools are described.
     综述土壤放射性污染水平监测方法,其中取样方法涉及了取样工具要求、分层采样的方法。
短句来源
  相似匹配句对
     SOURCES AND ACCUMULATION AND TRANSFER OF SOIL RADIOACTIVE CONTAMINATION
     土壤放射性污染的来源、积累和迁移
短句来源
     STUDY ON ARCL ESTIMATION METHOD FOR RADIOACTIVITY-CONTAM INATED SOIL
     放射性污染土壤ARCL估算方法研究
短句来源
     Machine Proccessing of Remotely Sensed Data and Soil Information Systems and Remote Sensing and Sail Survey
     土壤遥感
短句来源
     soil fertility;
     土壤肥力;
短句来源
     Casual talks about Radiation Pollution
     漫谈放射性污染
短句来源
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  radioactive contamination of soil
It is suggeted that field radiometry be used for real-time examination of the radioactive contamination of soil.
      


This paper deals with the radioactivities of a andβ rays in phosphate fertilizers. The research shows that the radiation intensity of foreign phosphate fertilizer is higher than that of domestic one. Different fertilizers applied in soil have different effects on the radioactivities of soils.It can not cause soil radioactive contamination when large amount of phosphate fertilizer is applied in soils. The contents of soil as organic matter is negatively correlated with the radioactivities of a and β rays, indicating...

This paper deals with the radioactivities of a andβ rays in phosphate fertilizers. The research shows that the radiation intensity of foreign phosphate fertilizer is higher than that of domestic one. Different fertilizers applied in soil have different effects on the radioactivities of soils.It can not cause soil radioactive contamination when large amount of phosphate fertilizer is applied in soils. The contents of soil as organic matter is negatively correlated with the radioactivities of a and β rays, indicating that organic matter also has the capacity to shield the isotopic radiation.

本文对含磷化肥的α、β比放活性进行了研究。进口磷肥的比放活性比国产磷肥强。不同含磷化肥施入土壤后对土壤比放活性影响不同。一次大量施用并未造成土壤的放射性污染。研究表明土壤有机质与α、β比放活性呈负相关,说明有机质对α、β放射性具有屏蔽作用。

In order to monitor the radioactive pollution of the surface layer soils of Zhengzhou City,the radioactivity of the soils and dust samples of the outskirts of Zhengzhou city are measured by high purity Ge deterctor.More than ten radioactive nuclides,such as K,~(226)Ra,~(234)Th,~(214)Pb,~(228) Ac,~(106)Ru and so on,are determined.They are nature radioactive nuclides primarily,but don't re- move a little induced radioactive nuclides.

为了监测郑州市区表层土壤放射性污染情况,本文用高纯锗谱仪对郑州市近郊土壤和尘埃样品进行了放射性测量,确定了~(40)K、~(226)Ra、~(234)Th、~(214)Pb、~(228)Ac和~(106)Ru 等10多种放射性核素、其主要成分是天然放射性核素,也不排除少量的人工放射性核素。

The impacts of the associated toxic constituents such as Cd,chloral and radioactive ele-ments on the soil environments and crop products are expounded.Cd content standard of soil,crop and fertilizer are also discussed. Cd pollution of general farmland does not exist in short-term,but fertilizer pollution must he payed attention during the use of phosphate fertilizer in the area and in the special crop for a long-term. Radioactive impurity in phosphate fertilizer can't cause pollution of soil. Chloral content...

The impacts of the associated toxic constituents such as Cd,chloral and radioactive ele-ments on the soil environments and crop products are expounded.Cd content standard of soil,crop and fertilizer are also discussed. Cd pollution of general farmland does not exist in short-term,but fertilizer pollution must he payed attention during the use of phosphate fertilizer in the area and in the special crop for a long-term. Radioactive impurity in phosphate fertilizer can't cause pollution of soil. Chloral content in phosphate fertilizer must be controlled under crop's critical dosage and assist fertilizer rationally. The strategies for overcoming these impacts are also discussed.

阐述了磷肥中有毒有害成分重金属镉(Cd)、放射性元素和三氯乙醛对土壤生态环境的影响,论述了施用磷肥对土壤和作物产品重金属含量的影响;讨论了土壤、作物和肥料Cd含量标准的制定;指出一般农田短期内不存在Cd污染,但对长期大量施用磷肥的地区和特定作物(如根叶类蔬菜)施用磷肥须谨慎。在现有施肥水平下,磷肥中放射性杂质不会导致土壤放射性污染。废酸磷肥中的三氯乙醛含量必须控制在作物临界剂量以下,并应采取适当施肥方法。

 
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