通过磷酰氯与手性仲胺的亲核取代反应高产率地合成了手性 HMPA 类似物。
The chiral HMPA analogues were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride.
在长期的研究中，发现Fe3O4粉体很难与合成沸石进行筛合成反应，从而导致产品的不纯净和不均一。
In long studies, Fe3O4 powder was found hard uniformly mixing with the zeolite synthesis reactant, which would lead to the impurity and inhomogeneity of the product.
燃料电池让氢与空气通过催化合成反应产生电力，唯一的副产物仅是热量和水。
Fuel cells combine hydrogen and air to produce electricity by running them through a chemical catalyst. The only byproducts are heat and water.
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