Two active agents for soldering, 23 Dibromosuccinic acid and cycloalkanamine hydrobromide were synthesized. A series of ES active soldering fluxes were prepared.
合成了2种助焊活性剂23-二溴丁二酸和环烷基胺氢溴酸盐，制备了ES系列活性助焊剂。
Structures and materials used in lead-free wave soldering equipments were different from traditional wave soldering equipments due to characteristic of lead-free solders and fluxes.
无铅焊料和助焊剂的特性决定了无铅波峰焊设备在结构和材料选用上有很大不同。
Structures and materials used in lead-free wave soldering equipments were different from traditional wave soldering equipments due to characteristic of lead-free solders and fluxes.
无铅焊料和助焊剂的特性决定了无铅波峰焊设备在结构和材料选用上有很大不同。
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