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高压隔膜压滤机在上榆泉选煤厂应用的可行性研究 被引量:1
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作者 周建国 白龙 +1 位作者 宋万军 蒋涵元 《选煤技术》 CAS 2022年第1期63-68,共6页
针对原有隔膜压滤机技术落后,煤泥产品水分高,生产效率低的问题,上榆泉选煤厂引入一种高压隔膜压滤机的工业试验机对煤泥水进行单因素压滤试验分析,为后续设备置换提供参考数据。试验得出了高压隔膜压滤机最佳工况参数:挤压压力为6 MPa... 针对原有隔膜压滤机技术落后,煤泥产品水分高,生产效率低的问题,上榆泉选煤厂引入一种高压隔膜压滤机的工业试验机对煤泥水进行单因素压滤试验分析,为后续设备置换提供参考数据。试验得出了高压隔膜压滤机最佳工况参数:挤压压力为6 MPa、入料压力为1.5 MPa、入料质量分数为20%、挤压时间为550s、入料时间为900s;同时对原有隔膜压滤机的卸料方式和滤液处理工艺提出优化升级方案,若将其应用于置换后的高压隔膜压滤机,压滤效果可优于原有隔膜压滤机,解决该厂目前煤泥系统存在的问题。 展开更多
关键词 煤泥水系统 高压隔膜压滤机 挤压压力 压力 入料质量分数 挤压时间 时间 产品水分
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Making Outcomes Assessment (Relatively) Painless, One Approach to Address the Issue
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作者 William Bealing Jr Mark Law Edward Pitingolo Wilmer Leinbach 《Journal of Modern Accounting and Auditing》 2011年第11期1190-1196,共7页
Given the pressures and constraints of assessment of learning in today's environment consistent with accreditation requirements, this paper presents the utilization of a course embedded assessment. That is, instead o... Given the pressures and constraints of assessment of learning in today's environment consistent with accreditation requirements, this paper presents the utilization of a course embedded assessment. That is, instead of creating an extra assessment outside the normal activities of the course, this paper examines an assessment that is part of the course. Additionally, not only is the course embedded assessment part of the course, it measures 100% of assessments employed in the course, instead of only a sample of the assessments. This paper presents background information regarding the utilization of a course embedded assessment, including The Association to Advance Collegiate Schools of Business International [AACSB] requirements for fulfilling assessment of learning outcomes. Discussion of course embedded assessments takes place. The dialogue then illustrates an approach that can be used for the data organization and analysis stages of assessment. It is hoped that the use of such an approach may save instructors time and effort in their assessment endeavors, while providing a superior quality assessment encompassing the entire course instead of merely a sample. This occurs by transferring the objective nature of the assessments into a computerized format. 展开更多
关键词 accounting course assessment ASSESSMENT assessment of learning course embedded assessment computerized assessment
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