helotism

['helətɪzəm]
  • helotism
  • n.

    古代斯巴达的奴隶制度,奴隶的身份;

纠错 数据更新时间:2026-06-10 08:28:53
1、

A Primary Study on Removal of Arsenic in Wastewater by Arsenic-resistant helotism

菌藻共生体去除废水中砷初探

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2、

The results showed that after incubation and selection, the arsenic-resistant helotism system mainly was chlorella valgaris, containing As 7. 47 g/ kg on dry basis.

研究发现:培养分离所得菌藻共生体中以小球藻为主,此时菌藻共生体积累砷达7.47g/kg干重。

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3、

During these three hundred years, the ruling system of Qing Dynasty has witnessed three changes of different period, which is from Helotism to Feudalism, then from Feudalism to half-colonialism.

三百年中,清统治阶级经历了三个阶段的转化,即由奴隶制转为封建制,由封建走向半殖民地化。

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