Using potassium silicate as silicon source, formamide as catalyst, a series of silica xerogel monolithic columns with different consistencies were prepared.
以硅酸钾为硅源，甲酰胺为催化剂在毛细管内原位聚合形成干凝胶柱，制备了一系列致密度不同的整体柱。
The skin of a cucumber is rich in fiber and contains a variety of beneficial minerals including silica, potassium and magnesium.
黄瓜的表皮含有丰富的纤维和多种矿物质，包括硅、钾和镁。
High reactive penta-coordinated organic silicon was prepared via the reaction of silica with ethylene glycol and potassium hydroxide.
以二氧化硅为起始原料，与乙二醇、氢氧化钾反应，生成高活性的五配位硅钾化合物。
A highly reactive penta-coordinate organic silicon complex was prepared by the reaction of natural silica with ethylene glycol in the presence of potassium hydroxide.
以无定型二氧化硅为起始原料，与乙二醇、氢氧化钾反应，生成高反应活性的五配位硅钾化合物；
A highly reactive penta-coordinate organic silicon complex was prepared by the reaction of natural silica with ethylene glycol in the presence of potassium hydroxide.
以无定型二氧化硅为起始原料，与乙二醇、氢氧化钾反应，生成高反应活性的五配位硅钾化合物；
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