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淡水污染
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  fresh water pollution
     The possibility of Monopterus albus as an index of detecting freshwater pollution was also discussed in the paper.
     本文还对黄鳝作为淡水污染的监测材料的可行性加以探讨
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  freshwater pollution
     The possibility of Monopterus albus as an index of detecting freshwater pollution was also discussed in the paper.
     本文还对黄鳝作为淡水污染的监测材料的可行性加以探讨
短句来源
  fresh water environment pollution
     and for 2, 6-dimethylnaphthalene Km=12. 5 ,Vmax= 250. The results indicate that AHH in liver microsomal of fish has higher affinity for 2, 6-dimethylnaphthalene and the AHH activity could be used as an useful indicator for fresh water environment pollution by polycyclic aromatic hydrocarbons which are components of petroleum products.
     表明鲫鱼肝微粒体AHH对2.6-二甲基萘有很大的亲和力,其活力的大小可作为指示多环芳烃对淡水污染的指标。
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  “淡水污染”译为未确定词的双语例句
     With the discharging of the waste water containing a large amount of nitrogen and phosphorus into the lakes and rivers,the pollution of the fresh water becomes more and more serious.
     随着大量含氮和磷的废水流入湖泊和江河,导致淡水污染现象日趋严重。
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      fresh water pollution
    laevis is a sensitive model to evaluate fresh water pollution.
          
    Additional remarks on fresh water pollution by acid precipitation
          
    Swine wastewater generated from pig-domesticating industry is a primary source of fresh water pollution including surface and ground water spoilage.
          
      freshwater pollution
    Freshwater pollution, which could increase as streamflows decrease, will further endanger fish.
          


    Naphthalene and 2, 6-dimethylnaphthalene were used as substrates for aryl hydrocarbon hydroxylases(AHH)in Carassius auratus liver microsomal preparation to study the activity and kinetics of AHH in the liver microsomal of the fish polluted by polycyclic aromatic hydrocarbons.The result shows that AHH activities are different in the female and male fishes under the same conditions.The apparent Michaelis constants (Km) and maximum velocity(Vmax) are as follow:for naphthalene Km=43. 5, Vmax=312. 5; and for 2, 6-dimethylnaphthalene...

    Naphthalene and 2, 6-dimethylnaphthalene were used as substrates for aryl hydrocarbon hydroxylases(AHH)in Carassius auratus liver microsomal preparation to study the activity and kinetics of AHH in the liver microsomal of the fish polluted by polycyclic aromatic hydrocarbons.The result shows that AHH activities are different in the female and male fishes under the same conditions.The apparent Michaelis constants (Km) and maximum velocity(Vmax) are as follow:for naphthalene Km=43. 5, Vmax=312. 5; and for 2, 6-dimethylnaphthalene Km=12. 5 ,Vmax= 250. The results indicate that AHH in liver microsomal of fish has higher affinity for 2, 6-dimethylnaphthalene and the AHH activity could be used as an useful indicator for fresh water environment pollution by polycyclic aromatic hydrocarbons which are components of petroleum products.

    以萘和2.6-二甲基萘作为鲫鱼(Carassiusauratus)肝徽粒体芳烃羟化酶(AHH)的底物,研究被多环芳烃污染后,鲫鱼肝微粒体AHH的活力变化及其动力学,并研究了相向条件下雌雄鲫鱼肝微粒体AHH的活力差异。结果显示AHH的表观米氏常数(Km).萘为43.5,2.6-二甲基萘为12.5:最大反应速度常数,萘为312.5.2.6-二甲基萘为230。表明鲫鱼肝微粒体AHH对2.6-二甲基萘有很大的亲和力,其活力的大小可作为指示多环芳烃对淡水污染的指标。

    Genetic toxicity of NC\|302D(+)in cells of Monopterus albus was studied by using micronuclei and nuclear anomalies in the erythrocytes, numerical and structural chromsomal aberrations tests.The results showed that the herbicide can not increase the freqencies of micronuclei.It can increase the freqencies of nuclear anomalies in the erythrocytes, numerical and structural chromsomal aberrations.Under the some concentrations,the freqencies of damage items were siginificantly different in comparison with...

    Genetic toxicity of NC\|302D(+)in cells of Monopterus albus was studied by using micronuclei and nuclear anomalies in the erythrocytes, numerical and structural chromsomal aberrations tests.The results showed that the herbicide can not increase the freqencies of micronuclei.It can increase the freqencies of nuclear anomalies in the erythrocytes, numerical and structural chromsomal aberrations.Under the some concentrations,the freqencies of damage items were siginificantly different in comparison with the control group.It suggested that the herbicide can cause significant genetic damages to cells of Monopterus albus. The possibility of Monopterus albus as an index of detecting freshwater pollution was also discussed in the paper.

    采用红细胞微核和核异常、染色体数目和结构畸变的方法 ,研究了除草剂精禾草克对黄鳝细胞的遗传毒性。结果表明 ,不同浓度的精禾草克作用 30小时 ,红细胞微核细胞率没有明显变化 ,核异常细胞率和总核异常细胞率均有所上升 ,部分组与对照组差异显著。染色体数目畸变率均有所上升 ,有的组甚至与对照组差异极显著 ,染色体结构畸变率也明显上升 ,各组与对照组差异显著或极显著。表明一定浓度范围内的精禾草克作用一定时间对黄鳝有明显的遗传学毒性。本文还对黄鳝作为淡水污染的监测材料的可行性加以探讨

    During Mars-june 1999 and Mars-june 2000,the study on the protozoa of yan'an city river was investigated by choicing seven spots.It was found 33 species in total,belongs to class phytoma-stigophorea,Class Actinopodea,Class polyhymenophora,Class Rhizopoda,Class Oligohymenophora,Class Kinetofragminophora.The authors analysed the ecology factor and the protozoa distribution characteristics of every spot;also preliminavily think the pollution index protozoa of Yan'an City river as Euglena viridis,Paramecium caudalum,Chilodonella...

    During Mars-june 1999 and Mars-june 2000,the study on the protozoa of yan'an city river was investigated by choicing seven spots.It was found 33 species in total,belongs to class phytoma-stigophorea,Class Actinopodea,Class polyhymenophora,Class Rhizopoda,Class Oligohymenophora,Class Kinetofragminophora.The authors analysed the ecology factor and the protozoa distribution characteristics of every spot;also preliminavily think the pollution index protozoa of Yan'an City river as Euglena viridis,Paramecium caudalum,Chilodonella unciuata,Vorticella purtrina.

    1999年和 2 0 0 0年 3月— 6月 ,在延安市区河流选择 7个样点采集水样 ,调查了水体中的原生动物 ,共 33种 ,分别隶属于植鞭 ,根足 ,辐足、动基片、寡膜、多膜等 6纲 ;并分析了各样点的生态因素及原生动物的分布特征 ,初步认为可作为延安市区河流淡水污染指示的原生动物有 :绿眼虫 ,尾草履虫 ,钩刺斜管虫 ,污钟虫

     
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