| 1. | Thin layers of sandy shale, and carbonaceous fragments are locally present .
局部出现砂质页岩薄层和碳质碎屑。
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| 2. | This sandstone unit is commonly thick-bedded and massive, with silty and carbonaceous laminations .
该砂层单元通常为厚层或块状，具粉砂质和碳质纹层。
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| 3. | Its applicability might be questioned on the grounds that carbonaceous shale is not known to occur near any of these deposits .
其实用性是有疑问的，因为还不知道在上述矿床附近存在着碳质片岩。
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| 4. | Carbonaceous materials . determination of vanadium content . colorimetric method
碳素材料钒的比色测定
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| 5. | Method for the determination of tensile strength of carbonaceous materials
炭素材料抗拉强度测定方法
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| 6. | Method for the determination of the volatile component of carbonaceous pastes
炭糊类挥发分的测定方法
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| 7. | Testing of carbonaceous materials - distillation of refined coal tars
含碳物质的检测.提炼的煤焦油的蒸馏
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| 8. | Carbonaceous materials - terms
含碳材料.术语
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| 9. | Carbonaceous materials for the production of aluminium . pitch for electrodes . sampling
铝生产用碳质材料.电极用沥青.取样
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| 10. | Carbonaceous reducing agent
碳质还原剂
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