破布 发表于 2025-3-25 05:05:43

https://doi.org/10.1007/978-3-663-01305-1This environmental brief covers various coal upgrading technologies, incl. coking and low-temperature carbonization as processes yielding the target products coke and gas plus tar products and diverse raw chemicals.

PLUMP 发表于 2025-3-25 08:11:14

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打火石 发表于 2025-3-25 13:14:13

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Affectation 发表于 2025-3-25 19:45:03

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Anticonvulsants 发表于 2025-3-25 22:56:07

https://doi.org/10.1007/978-3-322-83054-8Worldwide demand for synthetic nitrogenous fertilisers currently stands at some 80 million tonnes per year. Practically the sole . for all synthetic nitrogenous fertilisers is . — chemical formula NH. — which has a characteristic pungent odour, is gaseous under ambient conditions and liquid at −33°C under atmospheric pressure.

厚颜无耻 发表于 2025-3-26 02:48:14

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frugal 发表于 2025-3-26 07:14:56

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FELON 发表于 2025-3-26 10:13:44

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灵敏 发表于 2025-3-26 14:32:40

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脾气暴躁的人 发表于 2025-3-26 17:34:23

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查看完整版本: Titlebook: Environmental Handbook; Volume II: Documenta German Federal Ministry for Economic Cooperation a Textbook 1995 Springer Fachmedien Wiesbaden