常見例句A new kind of bismaleimide resin system which can be easily dissoled in aceton is prepared. 研制了具有良好溶液性質(zhì)的雙馬來酰亞胺樹脂體系的新方法。Sometimes engineers will use chemicals to clean up of the master on the photoresist or chemical substance, such as hydrogen peroxide, acetonic. 有時工程師會拔取一些化學品去純不興母盤上的平刻膠或化學精神,如雙氧水,丙酮。Objective:To research the significance of serum acetonic ketone body ratio(AKBR) for judging the severity and prognosis of infectious multiple organ dysfunction syndrome(MODS). 目的:探討血清酮體比值(AKBR)對判斷感染性多臟器功能失常綜合征病情輕重程度和預后的意義。And when the proportion are increased, SCA is dispersed into PAN nanofibers, if the synthetic fabrics are washed in aceton... 用丙酮洗滌后在PAN纖維表面出現(xiàn)凹坑,但丙酮的處理效果隨SCA含量的降低而減弱。Sevoflurane is synthesized from aceton by vapor phase catalytic fluorination, vapor phase catalytic hydrogenation,chloridization and fluoromethylation, which gives a new synthetic method. 以丙酮為原料,經(jīng)氯化、氣相氟化、氣相氫化及氟甲基化等一系列改進的方法合成了七氟醚,提供了一條新的合成路線。The result shows that the antioxidation activities of the flavonoids extracted by three methods range as the following order: aceton extraction > ethanol extraction > water extraction. 結(jié)果表明,60%25丙酮提取法提取的黃酮抗氧化活性最強,其次是80%25乙醇提取的黃酮,水提取的黃酮效果最差。 返回 acetonic