Our known fossil fuel reserves are soaring. New finds of coal, natural gas, oil, tar sands, and oil shale keep growing, not declining.
已知的矿石燃料储备猛涨；不断有新的煤矿、天然气、石油、焦油砂和油页岩被发现；人口数量也在增长。
The new product is said to use a unique blending process and a flavor Thread Filter containing natural menthol flavor to provide a more satisfying flavor and impact in what is a 1 mg-tar product.
据说，这一新产品使用了独特的混合程序，和含有天然薄荷香料的香味丝线过滤嘴，为这种1毫克焦油含量的产品提供了更加令人满意的味道和效果。
Thermal pyrolysis of Daqing thermal tar and Xinjiang natural bitumen at various tempertures were studied with the purpose of investigating the mesophase transformation.
通过对大庆热裂化渣油、新疆天然沥青两种典型试样在热转化时中间相转化过程的考察，初步探讨了中间相形成的一般规律。
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