常見例句雙語(yǔ)例句This paper research on a new synthetic tanning agent and the method of preparation.本文研究一種新的合成鞣劑及它的制備方法。The preparation of auxiliary tanning agent from chrome shavings has been studied in this paper.本文對(duì)從鉻革屑中提取膠原產(chǎn)物制備助鞣劑的方法進(jìn)行了探討。Results show that a neutralization process of acid and alkali occurs during the penetration and combination of the tanning agent.實(shí)驗(yàn)結(jié)果表明：在不浸酸鞣制過(guò)程中，鞣劑在皮內(nèi)的滲透與結(jié)合過(guò)程中，存在一個(gè)酸堿中和過(guò)程。 返回 tanning agent