Formaldehyde is used as one of basic raw materials in syntheses of synthetic tannins.摘要甲醛通常是用于合成鞣剂制备的一种基本原材料.The chemistry of cyclopentadiene organometallic complexes including the syntheses properties and applications a...
His syntheses are okay, but we don't get those spectacular yields he claims.他的综合是对的, 但是我们得不出他所宣称的那种引人注目的结果.The syntheses, properties and applications of benzocyclobutene monomer and polymers are introduced.本文介绍了苯并环丁...
Plymouth Hoe is renowned as the site where Drake played bowls before tackling the Spanish Armada.普利茅斯高地是德雷克在打败西班牙无敌舰队之前玩木球游戏的旧址，因此广为人知。The Spanish Armada was sent to attack England in 1588.1588年西班牙无敌舰队被派遣进攻英国。In late 200...
Both he and the crew are on a steep learning curve.他和组员们都学得很快。They believed ancient Greece and Rome were vital sources of learning.他们认为古代希腊罗马是知识的重要发源地。The two communities are learning how to resolve their differences.这两个...