It was discussed that the technique of carbonization using limekiln gas and water glass.探讨了利用工业废弃物石灰窑气和水玻璃,采用碳化法制备白炭黑的工艺过程.The effects of impurities content on the CO 2 content in limekiln gas described.论述了影响石灰窑气除CO2外其它物...
The objective is to study the relativity between analgesia methods and operation complication.目的在于研究镇痛方法与术后并发症的相关性。RESULTS Remifentanil used in obstetric anesthesia and analgesia is safe and effective.结果瑞芬太尼能安全有效的用于产科麻醉与...