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云南锡业公司是一个以开采和冶炼金属锡为主的联合企业。坑下围岩以碳酸盐类岩石为主,主要矿物为氧化锡矿和硫化锡矿,并伴有铁、砷、硫、铅等30多种金属和非金属及以铀系为主的微量放射性元素,是目前国内较为突出的肺癌高发矿区之一。为了寻找肺癌的致病原因,我们取不同含砷组分的锡矿粉尘,先后进行了四组动物诱癌实验,都诱发出肺癌。
Yunnan tin company is a mining and smelting of tin-based joint ventures. Underlying rocks in the pit are mainly carbonate rocks, the main minerals are tin oxide and tin sulfide, along with more than 30 kinds of metals, such as iron, arsenic, sulfur and lead, and trace amounts of radioactive Element, is one of the more prominent high-incidence lung cancer in China. In order to find out the pathogenic cause of lung cancer, we took tin mine dust containing different arsenic components and carried out four groups of animal cancer-inducing experiments successively, all of which induced lung cancer.