急毕业论文那位高手帮我翻译成中文3

来源:百度知道 编辑:UC知道 时间:2024/06/22 11:57:26
Fig. 1 Localization of the Brazilian coal mine in this studywhich presented with high levels of radon concentration.High values of 210Po in urine samples of some workers from this mine indicated the inhalation of radon prog-eny as a relevant source of occupational exposure [24].The Figueira mine geological characteristics havebeen described elsewhere [25]. In short, the coal basin region is situated near a uranium deposit, wherein ura- nium mineralization is located in the sedimentary se- quence between the coal seam and the calcareoushorizon comprising siltite and limestone. Coal is usually found associated with sandstones, carbonaceous siltites and coal seams. In sandstones, the uranium minerali-zation is observed as uraninite, and around 70% of the uraninite can be found in the sandstone, and 30% incarbonaceous siltites and coal.

图1巴西煤矿的地方化这研究的提出了与氡气含量高水平。210Po的上限值在有些工作者尿样的从这个矿的表明了氡气后裔的吸入作为职业照射[24的]一个相关的来源。矿地质特征在别处被描述了[25]。 简而言之,煤炭水池区域在铀储蓄附近位于, 铀成矿位于在包括硅和石灰石的煤层和钙之间的沉淀序列。 通常找到煤炭伴生与砂岩、碳质的硅和煤层。 在砂岩,铀成矿被观察作为沥青铀矿,并且大约70%沥青铀矿可以在砂岩和30% 二氧化碳,硅和煤炭找到。
应该就是这样了.