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97/00402 Study on preparation of nitro-humic acid from low grade coal oxidized with nitric acid

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Preparation of nitric humic acid by cata

✍ Zhiyuan Yang; Liang Gong; Pan Ran 📂 Article 📅 2012 🏛 Elsevier 🌐 English ⚖ 362 KB

97/02543 Studies on the oxidative degrad

📂 Article 📅 1997 🏛 Elsevier Science ⚖ 199 KB

## 97102538 Small angle neutron scattering studies of coalextract solutions Thiyagarajan. P. and Cody, G. D.