low-valent

基本解释

• adj.低价的

同根派生

英汉例句

• Progress in piancol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
  论文综述了低价钛还原偶联醛酮合成片呐醇的进展,在超声辐射下进行了片呐醇的合成,全文共分为四章。
• Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
  文章综述近几年来由低价钛还原偶联醛酮合成片呐醇的进展。
• Pinacol coupling reaction induced by low valent titanium has higher chemoselectivity and stereoselectivity,and has increasing attracted organic chemists in recent years.
  由低价钛络合物诱发的片呐醇偶联反应,具有良好的化学选择性和立体选择性,近几年来又引起有机化学家们的极大兴趣与重视。
• 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.
  反应之一是Fe2+被氧化，反应之二是钼的低价氧化物被氧化。
• Keywords low valent titanium reagent;aromatic ketoxime;deoximation;
  低价钛试剂;芳酮肟;脱肟;