以3-甲基苯胺为起始原料,经过氯甲酸乙酯保护氨基、硝硫混酸硝化和酸催化水解反应来制备3-氨基-2,4,6-三硝基甲苯,并以3-氨基-2,4,6-三硝基甲苯和2,4,6-三硝基甲苯为前驱体,分别与芳香醛类化合物,通过Knoevenagel缩合反应来制取多硝基二苯乙烯类化合物。通过对苄基进行自由基溴化,然后再氧化,可得到一系列芳香性苯甲醛来进行缩合反应。均三甲苯在N-溴代丁二酰亚胺和偶氮二异丁腈的自由
In order to reach the required intensities Heavy Ion Fusion relies on the acceleration of low charge state heavy ions.In collision with residual gas particles t
Whereas a head-to-tail velocity gradient enables a beam to achieve longitudinal compression,the range of ion energies renders transverse focusing more difficult
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At the last conference,we presented a new idea [1],which enable us to manipulate the ion pulse current profile.We tested this new scheme and could change the cu
The heavy ion fusion community is missing a key to making heavy ion fusion (HIF) a producer of economic power.Workable design is elemental,but the evidence of l
高速分散器作为一种气液传质设备,通过转子的高速旋转,使液体在强大的离心力、剪切力作用下被分散成液滴、液丝,大大增加气液相接触面积,且其转子结构简单,便于清洗维护,因而