In particular, the invention is concerned with amido piperazine derivatives.具体地说, 本发明涉及酰氨基哌嗪衍生物.Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group.对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二...
全文以矛盾辩证法为元语言展开解释.Thus the paper is written in the meta - language of contradictory dialectic explanation.因为SGML是 一种正式地描述一种语言的方法, 所以它以 元语言 而知名.Because SGML is a means to describe a language formally, it is known as a meta...
Most species live off aquatic snails.绝大多数种类以吃螺为生。Aquatic sports include swimming and rowing.水上运动包括游泳和划船.Visitors can view a rich and colorful array of aquatic plants and animals.游客们可以看到一系列各种各样、色彩斑斓的水生动植物。...
You can use sales organizations to subdivide markets into regions.用销售组织将市场细分为区域.The company markets its new produce.该公司出售它的新产品。This is principally because the major export markets are slowing...这主要是因为主要出口市场发展缓慢。Hindsight...
自1821年以后, 他单独地发展了复函数理论.From 1821 on, he singlehandedly developed complex function theory.保证生气勃勃和卫生学, 我们的曲奇饼单独地被包装.To ensure freshness and hygiene, our cookies are individually packed.您完全地和单独地负责遵守指示.You are completely and...