sodium and vanadium content
... 雪盖冰 snow-covered ice 钠钒含量 sodium and vanadium content 软铁球 soft-iron sphere ...
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钠和钒含量 sodium and vanadium content
灰分、钒含量、钠含量 Ash Vanadium Sodium content
·2,447,543篇论文数据，部分数据来源于NoteExpress
对催化剂的分析表明，催化剂破碎主要由于原料中钠、钒含量超标、再生温度过高和提升管预提蒸汽线速过高所致。
The causes behind breakage of the catalyst are excessive sodium and vanadium content in the feed oil, excessively high regeneration temperature and excessively high steam velocity in riser pipe.
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