Methods:A series of macroporous adsorption resins were compared on their adsorption and desorption properties for salvianolic acid B and the optimal type resin had been selected.
方法：通过比较几种不同大孔吸附树脂对丹酚酸B的吸附及洗脱性能，筛选出最佳树脂并对该树脂分离纯化丹酚酸B的工艺参数进行优化。
WVS-12 (B) Series Sleeve-Type Indoor High-Voltage Vacuum Circuit Breaker has passed the following tests to ensure the safe operation.
型系列套筒式户内高压真空断路器已经通过了以下的各种试验，可以确保其安全运行。
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