实验五 阿司匹林的制备 Experiment Five Preparation of Aspirin 一、实验目的(Experiment Purpose) 1.了解阿司匹林的制备方法 2.掌握水杨酸的乙酰化反应和产品的结晶、精制、抽滤等方法。
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... 本课题的主要内容与研究方法(Main Contents and Research Methods of the Subject) 试验目的(Experiment Purpose) 试验方法(Experiment Approach) ...
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all-purpose experiment tube 多用实验管
multi-purpose experiment rig 多功能实验台
multi-purpose experiment canister 多功能实验筒
purpose of course experiment 课程实验目标
According to the experiment purpose, the testing method of the power consumption of anti-blocking mechanism is determined.
根据实验目的,确定了防堵装置功率消耗的测试方法。
No, parents were not told about the purpose of the experiment until afterwards.
不是。家长直到实验之后才被告知实验目的。
Channel 4 said the experiment had a scientific purpose and had not been done for sensationalism.
英国第四频道电视台表示,该实验有科学目的,并不是仅仅为了追求轰动效应。
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