To research the occurrence state of copper in the soil containing copper and the phase analysis method of the copper.

文章探讨了含铜土壤中铜的赋存状态，并对土壤中铜的物相分析方法进行了研究。

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In this paper, the metallogenic elements, the occurrence state of the useful associated elements and its changing regularity are mainly reduced and summed up.

本文主要对矿床成矿元素及伴生有益元素的赋存状态及变化规律进行归纳总结。

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Based on the analysis of occurrence state of its products, a rational flowsheet is given, thus providing a new technical plan for building Zunyi Manganese Mine.

通过对产品赋存状态的分析，提出了合理的选别流程，为遵义锰矿的建设提供了新的技术方案。

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Soluri's group has sued to stop the deal, while another organization is pushing for a vote, a common occurrence in an activist state like California.

WSJ: Seattle and Sacramento Have a Tug of War Over the NBA's Kings

The animal reared and fell back while on its way to a racetrack stable -- a common occurrence in stable areas every year, according to a state racing board doctor.

CNN: 'Luck' continues filming after third horse dies

"The current most urgent issue is grasping the first 24 hours since the quake's occurrence, the golden time for saving lives, " Mr Li was quoted as saying by Xinhua state news agency.

BBC: China quake kills scores in rural Sichuan