On HZSM-5 zeolite with higher Si/Al2 ratio,higher selectivities of propene/ethane and better stability were gained,resulted from its lower acidity suppressing the secondary reaction of the alkenes and the coking reaction.
结果发现,高硅HZSM-5较弱的酸性可抑制氢转移及芳构化副反应的发生,大大提高丙烯选择性及催化剂稳定性。
参考来源 - 正丁醇制取烯烃反应的研究The secondary reactions restrain volatiles production and the effect diminishes gradually. Changes in the reveals secondary reaction mechanism is related to the reversible chemical reaction equilibrium for different temperatures for reactions involving the primary pyrolysis light gases.
一次反应气体产物的二次反应对热解过程有抑制作用,随着反应进行,由于化学反应平衡的移动,该抑制作用减弱,通过化学平衡原理分析了该作用的机理。
参考来源 - 煤热解过程中二次反应作用建模·2,447,543篇论文数据,部分数据来源于NoteExpress
Water has the tendency of inhibiting the secondary reaction.
水更倾向抑制副反应。
It was found that feed rate affected the secondary reaction in the pyrolysis furnace and the main product.
研究发现,进料量影响了炉管内的二次反应,进而对主要产物收率有重要影响。
First, the distance between the anode and cathode should be increased enough in order to limit the secondary reaction.
提高电流效率的途径有两条:一是增大阴、阳极间距,减小副反应的发生;
If there were just-- if you were trying to create a positive reaction of antigens and it showed up naturally wouldn't it create this reaction anyway in terms of your body would create antibodies like the secondary response volume to antibodies?
如果这里仅有,如果在自然条件下,尝试建立抗原的阳性反应,抗体这是否会像这样反应,以你身体为例,你的身体是否会产生,同二次免疫一样的抗体浓度
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