大通区

  • 网络Datong District
大通区大通区
  1. 大通复垦区植物根系Ni与Cu、Cr都显著相关,Cu与Zn的相关性不明显,而植物根部其它重金属两两之间的相关系数很低,部分为负值,无明显的相关性。

    Relativity of Ni and Cu , Cr in plant roots of Datong Reclamation District is obvious , relativity of Cu and Zn is not obvious , and correlation coefficient of other heavy metals in plant roots is lower pairwise , some is negative , correlation is not obvious .

  2. 现任摩根大通中国区首席执行官兼董事总经理。

    Fang Fang is ceo & managing director of JPMorgan china .

  3. 本文以淮南新庄孜和大通复垦区为研究对象,对复垦土壤生产力、土壤养分、土壤环境质量以及农作物健康安全等方面进行分析评价,综合研究煤矸石复垦土地的复垦效应。

    Study on the reclamation effect of coal gangue reclamation land by analyzing and assessing the soil productivity , soil nutrient , soil environmental quality and food security of reclamation land .

  4. 对青海大通县浅山区和脑山区退耕还林不同配置模式生态服务功能进行了综合评价。

    The paper focused on the synthetic evaluation on each ecology service function of conversion cropland to forest in Datong county , Qinghai .