例句與造句

1. the synthesis conditions of the resol with dibenzyl ether bond are discussed in the first section and it is characterized by ft-ir and gel-time test
   本章主要討論了這種酚醛樹脂的合成條件，并用ft-ir對(duì)其表征，還研究了它的凝膠時(shí)間隨溫度的變化。
2. the paper consists of the following parts : ( 1 ) synthesis of a novel resol with dibenzyl ether bond; ( 2 ) preparation of the phenolic resin / layered silicates nanocomposites ( rplsn ) and investigating the melt intercalation and curing behavior; ( 3 ) discussing mechanical properties and its related influence factor
   本文分為三個(gè)部分：首先合成帶芐基醚鍵的熱固性酚醛樹脂，然后制備粘土聚合物納米復(fù)合材料討論其熔融插層和剝離行為，最后討論各種因素對(duì)力學(xué)性能的影響。一帶芐基醚鍵的無氨熱固性酚醛樹脂的合成。
3. It's difficult to find ether bond in a sentence. 用ether bond造句挺難的