Effects of each component content in solution, process conditions, power source on appearance of Sn deposit were studied by Hull Cell test.
通过赫尔槽试验研究了镀液中各成分含量、操作条件及电源对镀层外观的影响。
2
The paper analyzes the pneumatic pump for SN-ratio test by use of the direct-product of internal and external tables , and has determined the optimal parameters.
采用内、外表直积法，对风动水泵进行了SN比试验分析，确定了其最佳参数组合。
3
Methods: Routine water caloric test, spontaneous nystagmus (SN) and HSN were performed in 500 patients with vertigo.