By measuring the volume concentration of SO<sub>2</sub> produced,blow rate of air(m<sup>3</sup>/min)Band converting times τ,the mathematical model of converting for oxidizing FeS and Cu<s...By measuring the volume concentration of SO<sub>2</sub> produced,blow rate of air(m<sup>3</sup>/min)Band converting times τ,the mathematical model of converting for oxidizing FeS and Cu<sub>2</sub>S,and that of controlling end point can be developed according to the slag making period andcopper making period,respectively.This derived model may be well suitable for either sideblow or top blow converter if the parameters-SO<sub>2</sub>B,τ.can be measured accurately.展开更多
目的评估"一分钟教学"(one minute preceptor,OMP)联合"案例学习法"(case based learning,CBL)在血管外科临床教学中的作用。方法将外科规范化培训的住院医生随机分为OMP/CBL教学组(24人)和传统教学组(26人)。采用...目的评估"一分钟教学"(one minute preceptor,OMP)联合"案例学习法"(case based learning,CBL)在血管外科临床教学中的作用。方法将外科规范化培训的住院医生随机分为OMP/CBL教学组(24人)和传统教学组(26人)。采用书面考试和问卷调查评估教学效果。结果在近期考试中,OMP/CBL教学组与传统教学组相比,理论知识成绩无明显差异,但OMP/CBL教学组较传统教学组的临床病例分析成绩更高。在中期考试中,OMP/CBL教学组与传统教学组相比,理论知识成绩和病例分析成绩更高。问卷调查中,OMP/CBL教学组学生学习目的性更明确且积极性更高。结论OMP/CBL联合教学法有助于外科规培生调动学习积极性,提升学习效率和效果。展开更多
文摘By measuring the volume concentration of SO<sub>2</sub> produced,blow rate of air(m<sup>3</sup>/min)Band converting times τ,the mathematical model of converting for oxidizing FeS and Cu<sub>2</sub>S,and that of controlling end point can be developed according to the slag making period andcopper making period,respectively.This derived model may be well suitable for either sideblow or top blow converter if the parameters-SO<sub>2</sub>B,τ.can be measured accurately.
文摘目的评估"一分钟教学"(one minute preceptor,OMP)联合"案例学习法"(case based learning,CBL)在血管外科临床教学中的作用。方法将外科规范化培训的住院医生随机分为OMP/CBL教学组(24人)和传统教学组(26人)。采用书面考试和问卷调查评估教学效果。结果在近期考试中,OMP/CBL教学组与传统教学组相比,理论知识成绩无明显差异,但OMP/CBL教学组较传统教学组的临床病例分析成绩更高。在中期考试中,OMP/CBL教学组与传统教学组相比,理论知识成绩和病例分析成绩更高。问卷调查中,OMP/CBL教学组学生学习目的性更明确且积极性更高。结论OMP/CBL联合教学法有助于外科规培生调动学习积极性,提升学习效率和效果。