|概览||毛里塔尼亚的"煤, 进口 (千公吨)"包含了从 1990 到 2000的数据.|
Coal that has a high degree of coalification with a gross calorific value above 23,865 KJ/kg (5,700 kcal/kg) on an ash-free but moist basis, and a mean random reflectance of vitrinite of at least 0.6. Slurries, middlings and other low-grade coal products, which cannot be classified according to the type of coal from which they are obtained, are included under hard coal. There are two sub-categories of hard coal: (i) coking coal and (ii) other bituminous coal and anthracite (also known as steam coal). Coking coal is a hard coal with a quality that allows the production of coke suitable to support a blast furnace charge. Steam coal is coal used for steam raising and space heating purposes and includes all anthracite coals and bituminous coals not classified as coking coal.|
The international trade of energy commodities is based on the 'general trade' system, that is, all goods entering and leaving the national boundary of a country are recorded as imports and exports.
毛里塔尼亚 在世界范围内排名 111.
毛里塔尼亚 所占比例为 0.0%.
在我们的数据库中有2,279 组毛里塔尼亚的数据. 这里是关于毛里塔尼亚更多的数据。
煤, 进口 (千公吨)
|人口, 总数||126||4,540,068||2018||UN Data|