例句與造句

1. The work mainly consists of four parts : the first part is to use oxidation and lpcvd technique to produce sio2 mask film and si3n4 insulation film in order to enhance the heating efficiency of micro chamber , and guarantee the carry out of the reaction . the second part is to use the combination of dry etching and wet etching to produce reaction micro chamber , it is the container which carry out the pcr reaction , and dna sample carry out amplification reaction here . the third part is to use the sputtering , photolithography to produce heaters and temperature sensors which heat the reaction micro chamber and provide the temperature condition for the pcr reaction
   首先，利用氧化工藝和lpcvd技術(shù)，生長sio _ 2掩膜層和si _ 3n _ 4絕緣層，以提高反應(yīng)腔的熱效率，保證擴(kuò)增反應(yīng)的順利進(jìn)行；其次，用濕法腐蝕和干法刻蝕相結(jié)合的方法加工微型腔體，使之作為dna樣品進(jìn)行pcr擴(kuò)增反應(yīng)的容器；第三，用濺射、光刻等工藝在微型腔體底部制作微型加熱器和溫度傳感器，實(shí)現(xiàn)對(duì)反應(yīng)腔體的加熱及其溫度的精確測量，提供pcr擴(kuò)增反應(yīng)所需的溫度條件。
2. It's difficult to find amplification reaction in a sentence. 用amplification reaction造句挺難的