介绍了聚乙烯、 氯化聚乙烯及氯磺化聚乙烯的生产技术、加工应用进展及发展前景。
The production techniques, progress in processing and application and development prospects of polyethylene, chlorinated polyethylene and chlorosulfonated polyethylene are introduced.
目的探讨老年收缩期高血压(ish)患者血清尿酸水平的变化及氯沙坦钾的治疗作用。
Objective to investigate the serum uric acid level in isolated systolic hypertension (ISH) in the elderly, and effect of Losartan potassium.
方法：对服用利培酮及氯氮平的精神病人定期脑电图检查，时间为服药后1周、3周、5周。
Method: patients were treated with risperidone and clozapine, EEG were regular recorded in 1, 3, 5 weeks separately.
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