方法 采用机械振荡法制备正电荷氨基化超声微泡（MB-NH2）。
Methods Positive charge of amino ultrasound microbubbles (MB-NH2) were prepared with mechanical shaking.
结果：1。AGM的理化性质：（1）AGM可自聚成各种的颗粒，氨基化程度越高颗粒越大；
Results: 1. The AGM properties: (1) AGM could be aggregating into various particles responsible to the degree of ammonification.
以自制的氨基化磁性纳米球为原料，戊二醛为交联剂，在氨基化磁性纳米球表面成功固载了组氨酸。
The histidine was covalently linked to the surface of amino-functionalized nanospheres using glutaraldehyde as cross-linker.
本文用2-氯-5-氯甲基吡啶经氨基化，和N-氰基乙亚胺酸乙酯反应，最后甲基化得到吡虫清。
In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.
本文用2-氯-5-氯甲基吡啶经氨基化，和N-氰基乙亚胺酸乙酯反应，最后甲基化得到吡虫清。
In this thesis, 2-chloro-5-chloromethyl pyridine is ammoniated, which followed by the reaction with N-cyano ethyl ethylimidoate, finally is methylated to gain the objective product.
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