EXAMPLE SENTENCES | ||
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铀矿物主要为沥青铀矿,形成于早元古代。 Uranium mineral is pitchblende which was formed in Lower Proterozoic. | ||
比如,含75%氧化铀的某种沥青铀矿物质的放射性是铀氧化物放射性的4倍。 Thus, certain pitchblendes containing 75% of uranium oxide are about four times as radioactive as this oxide. | ||
该文研究了桂东北地区三种不同类型铀矿床中沥青铀矿及其围岩的稀土元素分布模式。 The distribution patterns of rare earth elements of pitchblende and surrounding rocks in three types of uranium deposits have been studied. | ||
铀矿、铝矾土、锰矿储量居世界第三位。 Uranium ore, bauxite, manganese ore reserves, ranks third in the world. | ||
高温煤沥青炭的抗氧化性能要好于浸渍剂沥青炭; The oxidation resistance of high temperature pitch carbon show well. | ||
华南是中国最重要的铀矿产区之一。 South China is one of the most important uranium producing areas in China. | ||
尼日尔拥有铀矿,同时还是潜在的石油输出大国。 Niger has uranium and is a potential big oil exporter as well. | ||
油已硬化成沥青了。 The oil has hardened to tar. | ||
其中包括沥青,焦油和蜡。 These comprise asphalt, tar and waxes. | ||
提出该岩体晶质铀矿复成因的证据。 Evidence shows that the uraninite is of polygenesis. | ||