三氧化二锰
- 与 三氧化二锰 相关的网络例句 [注：此内容来源于网络，仅供参考]
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P-Bromobenzaldehyde was synthesized from p-bromotoluene by direct oxidation with manganese sesquioxide The factors affecting the yields of p-bromobenzaldehyde were investigated.
用三氧化二锰直接氧化法将对溴甲苯氧化对溴苯甲醛，讨论了合成过程中影响产率的各种因素，确定反应的优化条件为温度338K，硫酸的浓度7.5mol/L，三氧化二锰1.8g，产率可达73.89%。
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P-tert-Butyl benzaldehlyde was prepared by oxidation reation in a suspended three phases of solid, oil and water, constituted by manganese sesquioxide , starting material and H 2SO 4 of medium concentration.
利用二氧化锰在650 ℃下灼烧得到三氧化二锰，以三氧化二锰和中等浓度的硫酸构成的悬浮液在反应器内进行固、油、水三相氧化反应制得对叔丁基苯甲醛。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊！不用提了。提到肉，真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ，我不知道把这信寄到哪里，也不知道你是否想收到它。