• To investigate concentrations of polycyclic aromatic hydrocarbons (PAH) in Ambient particulate matter and their mutagenic activities in an Industrial Area of Northeastern China.

    调查东北某工业城市大气颗粒物质多环芳香烃类化合物浓度以及它们致突变活性

    youdao

  • A case study on the effect of different plot area on forest gap model simulation was conducted with forest gap model NEWCOP in broad leaved Korean pine forests at Changbai Mt. of Northeastern China.

    中国东北长白山阔叶红松林,应用模型NEWCOP探索了不同模拟样地面积林窗模型输出结果影响

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  • They ruled in the northeastern region of the area known as "China proper", in the Yellow River valley.

    他们排除东北地区地区称为“中国适当”,在黄河流域

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  • Soybean, as the major crop in northeastern China, is the main source of peasants' income. According to an investigation made in producing area, price change has a great impact on peasants' revenue.

    大豆作为我国东北产区主要农作物农民收入重要来源根据产区调查,大豆纯收入一般占农户纯收入的五分之之,大豆价格变化农民的收入影响极大

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  • The northeastern area of Sichuan province is one of the regions that are rich in oil and gas resources discovered in China.

    东北地区我国目前发现含有丰富油气资源区域之一

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  • The damage of the collapses in northeastern China is described in the paper. And the ways for prediction and control the collapses in the area are presented.

    本文针对东北煤田生产特点,采煤塌陷危害进行分析论述,并提出对塌陷区形成的预测方法治理塌陷的科学途径。

    youdao

  • The damage of the collapses in northeastern China is described in the paper. And the ways for prediction and control the collapses in the area are presented.

    本文针对东北煤田生产特点,采煤塌陷危害进行分析论述,并提出对塌陷区形成的预测方法治理塌陷的科学途径。

    youdao

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