基本解釋adj.低價(jià)的同根派生 low-valent相關(guān)詞英漢例句Progress in piancol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years. 論文綜述了低價(jià)鈦還原偶聯(lián)醛酮合成片吶醇的進(jìn)展,在超聲輻射下進(jìn)行了片吶醇的合成,全文共分為四章。Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years. 文章綜述近幾年來由低價(jià)鈦還原偶聯(lián)醛酮合成片吶醇的進(jìn)展。Pinacol coupling reaction induced by low valent titanium has higher chemoselectivity and stereoselectivity,and has increasing attracted organic chemists in recent years. 由低價(jià)鈦絡(luò)合物誘發(fā)的片吶醇偶聯(lián)反應(yīng),具有良好的化學(xué)選擇性和立體選擇性,近幾年來又引起有機(jī)化學(xué)家們的極大興趣與重視。The first stage is about the Fe2+ being oxidized and the second one is relative to the oxidation of some molybdenum oxides in a lower valent. 反應(yīng)之一是Fe2+被氧化,反應(yīng)之二是鉬的低價(jià)氧化物被氧化。Keywords low valent titanium reagent;aromatic ketoxime;deoximation; 低價(jià)鈦試劑;芳酮肟;脫肟;low-valent更多例句