preparing (l) 中文意思是什麼

preparing (l) 解釋

The main contents of this dissertation are summarized as follows. ( l ) by investigating and preparing the ceo2 nanoparticles with various precipitators we choosed the cerium ( iii ) nitrate, hydrogen peroxide and ammonia as the materials to prepared the nanoparticles by a two - stage precipitation method the process differents from the general precipitation process

試驗的主要研究內容：（ 1 ）通過不同沉澱劑的制備研究，選擇以硝酸鈰、雙氧水和氨水為基本原料，經過鈰（）離子的氧化和鈰（）離子的沉澱兩個主要過程制備納米二氧化鈰。
Where l will be preparing my usual thanksgiving feast

我會在家中準備我往日的那個感恩節火雞大餐
And the optimized technology for preparing ni ( oh ) 2 was as follows : the ratio of h2c2o4 / naoh was 1 / 2. 5, grinding for 20min, aging in 9mol / l koh solution for 2h at 40c, and dispersing with ultrasound in water media

而進行固相反應時的最佳工藝條件為：草酸鎳于氫氧化鈉的用量比為1 ： 2 . 5 ，研磨20min ，在40的9mol lkoh溶液中陳化2h ，在水介質中超聲分散。