1) abandoned coal fire areas
煤火废弃地
1.
Using ecology, restoration ecology, soil science and botany knowledge, ecological restoration of abandoned coal fire areas was researched after study in the field and reference from literature.
煤火废弃地给人类带来许多危害:浪费煤炭资源,带来巨大的经济损失;破坏大面积土地,加剧人地矛盾;使人类的生存环境恶化,影响居民的正常生活;温度过高,动植物的生存受到威胁,地表形成大面积的焦土、烧变岩、裂缝和塌陷坑;煤层自燃释放的二氧化碳、甲烷等气体还会引起温室效应。
2) wasteland
[英]['weɪstlænd] [美]['west'lænd]
煤矿废弃地
1.
Using field investigation and quadrat method,a study was conducted on the vegetation and flora of the coalmine wasteland in Mingshan Mountain,Meizhou,Guangdong.
通过野外实地考察,采用样方法,调查了广东梅州明山煤矿废弃地的植被和植物区系。
6) rejected fly ash
废弃粉煤灰
1.
By means of radial Dynamic Leaching Test(r-DLT),it was studied that the behaviors of heavy metal hydroxides in the solidified and stabilized(S/S) samples contained cement and rejected fly ash.
采用径向动态浸出实验(r-DLT)研究了含废弃粉煤灰-水泥固化/稳定样品内部重金属铅、铜、锌的氢氧化物的迁移行为,发现重金属在酸溶液作用下虽然会从样品内部向外迁移,但不同重金属的迁移规律各不相同。
2.
Using tests of compressive strength, hydration product and porosity, the influen ce of steam curing on the pozzolanic reaction of rejected fly ash were studied.
通过研究蒸汽养护条件下含废弃粉煤灰的样品在抗压强度、水化产物以及孔隙率等方面的变化,探讨了蒸汽养护对废弃粉煤灰火山灰活性的影响。
补充资料：煤火
1.煤燃烧时的火焰。亦指作燃料的煤。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条