disproportionation中文什么意思

不成比例
不均化
化歧作用
歧化反應
歧化作用；不均
岐化（反應）

bimolecular disproportionation: 雙分子歧化
catalytic disproportionation: 催化歧化
chain disproportionation: 鏈歧化
disproportionation catalyst: 歧化催化劑
disproportionation condensation: 歧化縮合作用

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例句與用法

This reaction involves disproportionation of the aldehyde .
這個反應就是醛的歧化作用。
Disproportionation reaction , dismutation reaction
歧化反應
Investigation of disproportionation behaviour of lani5 xmx in hydriding process at high temperature
等離子弧焊維弧行為研究
In these composites , the coupling termination content of pmma decreases while disproportionation content increases . the macromolecular ranging regularity of pmma also increases
上述復合材料中， pmma大分子的終止方式發(fā)生偶合終止減少、歧化終止增加的變化，同時pmma整體排列有序度增加。
Meanwhile , fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained . function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin , and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits , and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off , but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits , and improve the surface quality of the deposits and the bath stability
闡述了鍍液中各組分的作用：絡合劑能有效地改變銅、錫的電位，促使初期的置換反應順利進行；還原劑能加快化學反應速度，對反應動力學有積極的促進作用；抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化；添加劑a能提高鍍液的穩(wěn)定性，添加劑b對鍍層能有細化和光亮作用，擴大了鍍層光亮區(qū)的范圍；添加劑c作為平滑劑，不僅能增強鍍層表面的平整性，而且能提高鍍液的分散能力；表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題，提高了鍍層的表面質量和鍍液的穩(wěn)定性。