共查询到20条相似文献，搜索用时 62 毫秒
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培养对复杂制造系统能够进行规划、设计、评价和创新的专门人才,是工业工程专业的基本目标。所述本科工业工程综合实验系统,实质上是可实验的机电产品制造系统,包含了从原材料库、加工流水线、检验控制点、装配流水线、输送流水线,到成品库所有环节,还配置有开展工业工程专业活动所需的设备和工作间等。该综合实验系统可以支撑工业工程专业课程所要求的所有的专业课实验活动的开展。 相似文献
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针对传统的重力式入料气力输送系统自动化程度偏低、料仓造价偏高等问题，设计一种基于正负压一体式的粉体仓泵气力输送系统.该系统通过切换气源分配组件，实现物料的负压吸料及正压输送，以减少输送管道堵塞的发生，同时结合传感技术和PLC控制，以及人机交互界面的设计，实现系统的自动控制，从而提升系统输送的效率和精度. 相似文献
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燃烧与爆炸作为安全工程专业本科生的专业基础必修课,具有很强的实践性,但其现有实验偏演示性、内容单一,缺少能够开展爆炸、爆轰的实验设备与手段.北京科技大学科研成果"爆轰内部结构实验管道系统",能够开展不同初始压力条件及预混气种类的爆轰观测实验,可有效验证气体爆炸、爆轰的理论知识.将爆轰内部结构实验管道系统有效转化为实验教... 相似文献
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油气管道内的复杂气液两相流动和管道泄漏预测控制是油气储运过程中面临的难题。为加深学生对专业流体力学和输气管道设计与管理课程内容的理解,在气液两相流实验环道基础上,设计了包括大起伏管段、地下以及水下等多场景的油气管道泄漏实验装置,并介绍了各功能模块的工艺流程、设备和特点。通过装置性能和实验分析,该实验装置具有非常好的实验教学预期效果。结合输气管道设计与管理课程的教学内容要求设计了多个实验教学项目。该综合实验不仅可以丰富教学内容,还可以提升学生的工程实践能力和创新能力,拓展学生在油气两相输送、管道泄漏过程与影响方面的知识储备,培养油气管道安全运行及泄漏检测技术方面的人才。 相似文献
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结合泵与风机、流体力学、热工测量及仪表等专业知识,服务于湖南省重点建设专业-热能工程专业,紧跟学科前沿,开发了该实验和数据处理系统。实验系统主要由电动机、离心泵及阀门、压力表、流量测量等检测仪器和数据处理系统组成,该系统可以开出离心泵的性能特性和泵的串联与并联运行等多个综合性和研究性实验,并能对实验数据进行自动处理和曲线绘制。形成了创新学科与实验教学的互动平台,提高了实验室整体科研条件和学科发展水平。 相似文献
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《海外英语》2007,(5):10-11
Many college freshmen arrive woefully unprepared to do college work, and as disadvantaged populations continue to grow, the share of the American work force that has made it through college is expected to plummet. Many experts blame that educational failure not just on high schools but also on colleges. School & College, a special report by The Chronicle, looks at efforts to fix the system. What reforms would better prepare students for college? What should schools and colleges be doing differently? How should state and federal officials help? 相似文献
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邱崇丙 《唐山师范学院学报》2014,(1):21-23
汉字的六书,《说文》对“转注”一类,语焉不详。后世学者提及转注,也仅限于许慎所举出的例字。《汉字例说》一文,作者从转注的角度综合考虑,对部分现代常用字作了分析,跟传统的解释有所不同。希望能抛砖引玉,互相切磋,以推进学术研究。 相似文献
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《海外英语》2007,(4):36
There are numbers of crossroads on our long and unpredictable life journey where we totally have no idea about which direction to choose. No matter what our decision is, we should not turn back, but face the music and go ahead instead. I am this kind of girl who always does try without regretting, one example is how I dealt with my love. 相似文献
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Migration occurs behind a variety of reasons and has a great effect on the whole world. People may migrate in order to improve their economic situation, or in order to escape civil strife, persecution, and environmental disasters. The impact of migration is complex, bringing both benefits anddisadvantages. This paper briefly talks about the causes of migration, the allocation of benefits, and the ways in which individual countries and the international community deal with this important subject. 相似文献
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Sister Carrie is one of the most controversial characters in American literature.Thought as a "fallen woman" firstly,she was defined as a "new woman" by some critics later. However, by digging into the motivaton behind the whole process of Carrie's "success", the relationship between Carrie and her creator (the author), the social conditions of then American, it can be found that Carrie has never been free-standing on her thought and she has never found her real-sdf even after becoming a famous actress. In a society dominated by mass consumerism Carrie is only an adherent of her own desires. She also is a representative of all those country girls flooded into cities, a symbol and a sacrifice of the urbanization of America in a time countryside was overcome by cities. 相似文献
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RUZBEHANI Mohsen 《重庆大学学报(英文版)》2004,3(1):20-25
1.IntroductionOne-cyclecontrolmethod,whichwasproposedaboutonedecadeago[1],hasbecomeanattractivemethodinspecialfieldssuchaspowerfactorcorrection[2-6],switchingamplifiers[7,8],etc.Themainideaofthiscontrollerisbasedonintegrationofdiodevoltageinone-cycleandforcesittobeexactlyequaltothereferencevalue.Themainadvantageofthiscontrollerisitsrealtimeabilitytorejectthevariationofinputvoltage[1].Despitethisgreatability,ithasnogoodperformancesinrejectingofloaddisturbanceandfollowingreferencecommands.Espec… 相似文献
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Rachel Zupek 《海外英语》2007,(11):40-41
我们绝大部分人都同意一件事情——我们喜欢金钱。但是你对金钱的喜欢之情足够到让你创立一份事业么?.财富通常被人忽视,主要在于人们不能真正了 相似文献