| 1. | Background and evaluation of heavy metal elements in the tea garden soil in sichuan 四川茶区土壤重金属元素背景值及其评价 |
| 2. | Distribution and source of heavy metal elements in sediments of zhanjiang harbor 粤西湛江港海底沉积物重金属的分布特征与来源 |
| 3. | Calculation on the soil environmental capacity for heavy metal elements in laoshan scenic spot 崂山风景区土壤重金属元素环境容量的计算 |
| 4. | The testing of heavy metal elements in different parts of wenshan gingseng at different stages 三七生长初期不同部位重金属元素含量测定 |
| 5. | Changes in heavy metal elements of soil in ecosystem of phyllostachys praecox under intensive management 高效栽培雷竹林土壤重金属含量的分析研究 |
| 6. | Study on inductively coupled plasma mass spectrometry to detect trace heavy metal elements in candy 电感耦合等离子体质谱法测定糖果中的重金属元素 |
| 7. | Determination on residues of several heavy metal elements in panax notoginseng and its cultivating soil 三七及其栽培土壤中几种重金属元素含量的测定 |
| 8. | Distribution of soil magnetic susceptibility and heavy metal elements and their correlativity in huzhou city 湖州市土壤磁化率与重金属元素分布规律及其相关性研究 |
| 9. | In this paper , the heavy metals pollution and its characteristics in soil , the harm to the environmental and the chemical - behavior of heavy metals in soil are introduced . the heavy metals element beckground value in soil is discussed 介绍了土壤重金属的污染及其特点,重金属对环境危害和在土壤中的化学行为,最后论述了土壤重金属元素的背景值。 |
| 10. | The cultivated anisodus tanguticus ( maxim . ) pascher of two year and three year in different growth phase was collected , and the content of heavy metal element as pb , as , hg , cd was analysed by hydrogen generation - atomic absorption spectrometry 采集两年生和三年生种植山莨菪在不同生长期的植物全植株,采用流动注射氢化法原子吸收光谱分别测试了其不同组织中铅、砷、汞、福等重金属元素含量。 |