soil plasma

The heavy metal elements of Cr, Cu, Zn, Mn, Cd and Pb in the tender tissues of O. hupensis and soil were determined and analyzed by plasma-atomic emission spectrometry.

用等离子体原子发射法测定了钉螺软体组织与其孳生地土壤中重金属元素Cr、Cu、Zn、Mn、Cd和Pb的含量，对其污染状况进行了分析。

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Along with the increment of discharge voltage, the electron temperature and electron number density of soil plasma increase as well.

电子温度和电子数密度随着放电电压的增大而增大。

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For soil plasma, the electron temperature and electron number density of the spark plasma are higher than that of laser plasma.

土壤放电等离子体温度和电子数密度均高于激光等离子体的温度和电子数密度。

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Exoenzyme is an important type of soil enzymes, which passes through plasma membrane after synthesized in the cell and functions in free state in the environment.

胞外酶是土壤酶的一种重要类型，指在细胞内合成后穿过细胞质膜以游离态存在于环境中的酶。

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