总的产生速度
Effects of different experimental parameters, such as diameters and material of discharge wire, total rate of H_2-O_2 feed, oxygen concentration on the generation of H_2O_2 have been systematically studied.
系统地考察了放电电极材质、放电电极直径、氢气和氧气进料总气速和氧气浓度等参数对H2O2生成的影响。
METHODS: The use of third-generation cephalosporins was analysed in respect to the amount of consumption of individual products in 1998~ 2001, the total amount of consumption of all kinds of cephalosporins each year and the number of cases infected by drug-fast bacteria and drug-fast rate.
方法:统计我院1998年~2001年第3代头孢菌素单品种用量和各年度第3代头孢菌素总量,以及各单品种每年耐药例数和耐药率。
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