midst (l) 中文意思是什麼

midst (l) 解釋

midst : n 中，中間，中央。 ★現在只用在如下成語中。 from [out of] the midst of 從…當中。 in our [your] mid...
l : L-beam, L-iron 不等邊角鋼。L,￡＝〈拉丁語〉 libra （＝ pound）。

To make cds / k4nb6o17 powder on the base of the k4nb6o17 powder which by the courses of ion exchanging, amine intercalation, sulfuration etc. to obtain cds / k4nb6o17 thin film through the same course of making cds / k4nb6o17 powder on the base of k4nb3o17 thin film on the quartz which made by the spin coating and after heat treatment. to make experiments with additives ( na2so3, 0. 1mol / l ) of photocatalytically decomposing water into h2 and o2 to evaluate the photocatalytic activities of the catalyst knb6o17 powder, cds / k4nb6o17 powder, k4nb6o17 film, cds / k4nb6o17 film. the crystalline structures of the midst powder and film productions were investigated by using the x - ray diffraction ( xrd )

本課題的主要內容是：高溫固相反應合成具有層狀結構的k _ 4nb _ 6o _ （ 17 ）晶體材料，然後以此為母體材料，通過離子交換、層間胺插入、硫化處理等過程制備出cds / h _ 4nb _ 6o _ （ 17 ）粉末形式的光催化材料；通過旋轉塗覆法在石英玻璃基片上制備了k _ 4nb _ 6o _ （ 17 ）薄膜，採用一定的熱處理制度后對薄膜分別進行離子交換、層間胺插入、硫化處理等處理過程制備了cds / h _ 4nb _ 6o _ （ 17 ）薄膜形式的光催化材料。