例句與造句

1. We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm . by means of uv - vis , atomic absorption spectrometry and so on , nanoparticles of this three kind of anode materials are synthesized
   利用trionx - 100 /正辛醇/環(huán)己烷/水反膠束體系制備出三種物質(zhì)的粉體，掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右，分布均勻；此外還利用uv - vis 、原子吸收光譜等測(cè)試手段，都表明合成出了三種正極材料的納米粒子。
2. It's difficult to find tree landing in a sentence. 用tree landing造句挺難的