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pollution degree
相关语句
  污染度
    The Measurement of Pollution Degree of Hydraulic System with Dark Automatic Grain Counter
    遮光型自动颗粒计数法测定液压系统油液污染度
短句来源
    This paper briefly expounds the kinds, sources and harms of hydraulic oil pollutants in hydraulic equipment, and introduces the monitoring installations for measuring the oil pollution degree of hydraulic system by using MCS51 one-chip computer based on automatic grain counting principle.
    简述了液压设备中液压油污染物的种类、来源及引起的危害,介绍了利用基于自动颗粒计数原理的MCS51单片机测定液压系统油液污染度的监测装置。
短句来源
    Taking the advantage of fuzzy mathematics in describing the fuzzy relationship between oil pollution and machine abrasion,the article sets up a mathematic model for fuzzy fault diagnosis. On the basis of fuzzy fault diagnosis for current pollution degree,compressing and restructuring of fault symptom space will greatly reduce the calculation work and improve the efficiency of fault diagnosis.
    文章利用模糊数学在描述油液污染与机器磨损的模糊关系中的优势,建立了模糊故障诊断的数学模型,并在现有的污染度模糊故障诊断的基础上,通过故障征兆空间的压缩和重构,大大减少了计算量,提高了故障诊断的效率。
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  pollution degree
A number of soil samples from south-east Italy were analyzed for As, Bi, Cd, Cu, Hg, Li, Mn, Ni, Pb, Se, Sn, and Zn contents with the aim of estimating pollution degree in cultivated lands of region.
      
Using relative background values, this study assesses soil pollution degree in the seven dumping sites.
      
Pollution degree decreases by the law of Y=1.08?exp(33.533/X), where Y is the distance from the garbage dump field and X is the overall pollution index.
      
Analysis of species and horizontal density distribution of protozoan in sediment in 28 sampling points reflected the pollution degree of water quality at every site.
      
The total pollution degree of Zn is less than zero.
      
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Because the Surface-Waters are polluted with different pollution types and degrees, the characteristics of reflectance spectrum for them are different. These differences can be actually recorded on the color aerophotograph by the form of color density difference. The correlation between the reflective color density ratio of the surfacewater image on the color aerophotograph and the combined pollution index of the water is emphatically studied in this paper. The statistical relationship between them is given....

Because the Surface-Waters are polluted with different pollution types and degrees, the characteristics of reflectance spectrum for them are different. These differences can be actually recorded on the color aerophotograph by the form of color density difference. The correlation between the reflective color density ratio of the surfacewater image on the color aerophotograph and the combined pollution index of the water is emphatically studied in this paper. The statistical relationship between them is given. so, It is possible to determine semiquantitatively the combined pollution degree of the surface-water based on color aerophotograph.

由于地表水体所受污染的类型和程度不同,共反射光谱特性也各不相同。这些光谱特性在可见光波段及近红外波段内的差异,将被如实地以色密度差异的形式记录在彩色航空像片上。 本文着重研究了地表污染水体影像的反射色密度比值与水体综合污染指数之间的相关关系,并给出了二者之间的统计关系式,从而可直接利用彩色航空像片,对地表水体的综合污染程度进行半定量的测定。

In China investigating cities pollution degree mainly relyed on the method of common monitor and aero remote sensing investigation carried by environmental department. How quickly to investigate the widely spread on environmental pollution and the ecological environment is our recently subjects. This paper introduces how to use satellite remote sensing technology combined with aero remote sensing and common monitor data to investigate and study acide falling in Sichuan Province. It provides a new...

In China investigating cities pollution degree mainly relyed on the method of common monitor and aero remote sensing investigation carried by environmental department. How quickly to investigate the widely spread on environmental pollution and the ecological environment is our recently subjects. This paper introduces how to use satellite remote sensing technology combined with aero remote sensing and common monitor data to investigate and study acide falling in Sichuan Province. It provides a new way for using remote sensing technology in enviomental investigation and monitor, and there is an important significant to environmental remote sensing development.

目前我国城市污染状况的确定主要依靠环保部门的常规监测和航空遥感调查方法。如何对大范围的环境污染和生态环境进行快速的调查是我们近几年来探索的课题。本文介绍了利用航天遥感技术结合航空遥感、常规监测资料进行四川省酸沉降污染调查和研究的方法,它为遥感技术在环境调查和监测中的应用提供了新的思路,对环境遥感的发展具有重要意义。

This paper briefly expounds the kinds, sources and harms of hydraulic oil pollutants in hydraulic equipment, and introduces the monitoring installations for measuring the oil pollution degree of hydraulic system by using MCS51 one-chip computer based on automatic grain counting principle.

简述了液压设备中液压油污染物的种类、来源及引起的危害,介绍了利用基于自动颗粒计数原理的MCS51单片机测定液压系统油液污染度的监测装置。

 
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