最后推理得出比较合理的钠变质的机制。
Then a comparatively reasonable Na modification mechanism was proposed.
镜下鉴定和激光拉曼测试结果表明预先导孔（CCSD-PP2）第一段榴闪岩的主要矿物为角闪石、石榴石、黑云母和钠长石，是榴辉岩退变质作用的产物。
The main mineral assemblage of the garnet-amphibolite from the first part in CCSD-PP2 is amphibole, garnet, biotite and albite, which resulted from retrograde metamorphism.
采用磷、硫、稀土、锶、钠、碳等进行双重细化变质处理过共晶铝硅合金已取得了良好的效果。
The good effect has been gained on the hypereutectic Al Si alloys treated with some double refining and modifying agents such as P, S, RE, Sr, Na, C, etc.
亚共晶铝硅合金的变质元素除钠以外，还有锶、碲、钡、锑、钾、稀土、硼、硫等。其中，应用较多的是含钠和锶的变质剂。
The modifying elements used in hypoeutectic Al Si alloys, besides Na, there are also Sr, Te, Ba, Sb, K, RE, B, S, etc.
主要容矿岩石为浅变质细碎屑岩，钠长碳酸盐角砾岩及碳硅泥质岩；
The ore-bearing rock are mainly fine elastic rocks, breccia of albite-carbonate and carbonaceous- siliceous argillaceous rock.
结果表明：外加钠在热解过程中对NH3释放的作用较大程度上取决于煤的变质程度，变质程度越低的煤影响越明显。
The results showed that the influence of Na metal added on NH3 release during pyrolysis greatly depended upon coal metamorphism, which made the obvious influence on the coal with lower metamorphism.
结果表明：外加钠在热解过程中对NH3释放的作用较大程度上取决于煤的变质程度，变质程度越低的煤影响越明显。
The results showed that the influence of Na metal added on NH3 release during pyrolysis greatly depended upon coal metamorphism, which made the obvious influence on the coal with lower metamorphism.
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