Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.One advisable way is to synthesize NFM acylating morpholine...
A new implementation method of the TDM - FDM transmultiplexer ( TMUX ) is presented , which is more efficient in computation.本文提出一种高效率的TDM-FDM复用转换器 ( TMUX ) 新实现方法.N son - carrier waves were modulated respectively with N ...
在单独消费者行为文学之内, 逐字地数以万计生活方式研究引证发生.Within the consumer behavior literature alone, literally thousands of lifestyle research citations occur.我的爸爸整夜停留了 ( 逐字地 ) 设法修补系统由这病毒影响.My dad stayed up all night ( literally ) trying to p...
只一推，就把他推进了河里。It took only one heave to hurl him into the river.他们没等德国人答复就接着往下推进。They went ahead without waiting for a reply from the Germans.现在至关重要的是要继续向前推进。The most important thing now is to move onwards....