常見(jiàn)例句雙語(yǔ)例句The paper introduced the flow sheet of gold electrolysis and solvent extraction refining process.介紹了金電解與溶劑萃取兩種工藝的原則流程;Saturated hydrocarbons content of CGO been increased by about 10 percent points and the nitrogen content decreased significantly after solvent refining.焦化蠟油經(jīng)溶劑精制后,飽和烴含量提高10個(gè)百分點(diǎn)左右,氮含量明顯降低。Pros and cons as well as the effect of upgrading inferior FCC gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc. were analyzed.分析了采用堿精制、 加氫精制、中壓加氫改質(zhì)和溶劑精制等技術(shù)對(duì)催化裂化劣質(zhì)柴油改質(zhì)的利弊及其效果。 返回 solvent refining