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Protel 99SE作为电子线路CAD软件应用极其广泛,本文以一具体的555振荡器为例,介绍原理图制作流程和印制电路板制作流程．探讨制作电路板时的注意事项。 相似文献
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AbstractTurkey has a distinctive position with regard to its geography and history among Muslim countries. Particular features are its secular system and far reaching modernization processes particularly with respect to the ‘emancipation’ of women. The aim of this paper is to describe and analyze sport and body politics as part of the modernization processes in Turkey and to explore in particular the multiple roles of different groups of women in the reforms initiated by the Turkish Governments. A focus will be on the intersecting influences of gender and social class. The famous archaeologist Halet Çambel will be used as an example of the ‘modern’ woman who embodied reformist ideologies. Çambel was the daughter of an elite family; she was born in Berlin where her father was an attaché at the Turkey embassy. She studied in France and participated in the Olympic Games in 1936. She and another Turkish fencer were the first women from a Muslim country to participate in the Olympic Games. Later she became the most famous archaeologist in Turkey and she stayed physically active all her life. In particular, horse riding became a favourite activity as she travelled to archaeological sites on horseback. 相似文献
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卢孟常 《南昌教育学院学报》2010,25(2)
Prote199se是目前在世界上最流行的电子设计软件之一,因其功能强大、简单易学已成为电子设计工作者们的首选.由于Prot199se软件自身设计的不足和用户对软件理解和掌握程度的不同,在使用的过程中会遇到一些不常用且又不好解决的特殊问题,本文针对几个功能的操作技巧进行了系统归纳,希望对Prote199se使用者有所帮助. 相似文献
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吴先旺 《荆门职业技术学院学报》2004,19(3):82-84
目的通过检测子宫恶性肿瘤患者血清中标志物CA125,CA199,CA153含量,探讨其能否作为评价治疗效果及预后中的一项检测指标.方法对103例子宫恶性肿瘤治疗前检测血清中CA125,CA199,CA153含量,部分患者治疗后追踪检测血清中CA125,CA199,CA153含量.结果治疗前血清中CA125,CA199,CA153在Ⅰ、Ⅱ期子宫内膜腺癌及腺鳞癌的阳性率明显低于Ⅲ、Ⅳ期(P<0.01).肿瘤切除后,CA125,CA199,CA153转为阴性,肿瘤复发或转移时标志物又复阳性.结论CA125,CA199,CA153的检测有助于治疗效果的评价、病情监测及预后的估计. 相似文献
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Christian Wagner 《Information processing & management》2019,56(4):1409-1424
Numerous studies have examined the decision-making process and the associated information search behaviour of tourists. However, very few have focused on how tourists make plans for their trips when travelling in groups. This paper adds to the knowledge of the decision-making process of tourist groups with a specific focus on intra-group interaction and the support of technology. This research adopted a mixed-methods approach, combining two studies. Study 1 employed a focus group to gain an understanding of the decision-making process within a tourist group, while Study 2 employed a questionnaire survey to explore how the use of technology in such a process varies among different categories of groups. Study 1 proposed a model for a group holiday decision-making process with four components: information acquisition, intra-group information sharing, knowledge transfer, and decision making. It was adapted from the “Infogineering Model” and the encoding and decoding theory in communication studies. Study 2 identified new influential factors on the use of technology by tourist groups for decision making. Ultimately, this research produced a number of theoretical implications, as well as practical implications in terms of how practitioners can better support Chinese tourists, family travellers, and tourists with little prior travel experience, and how technology can facilitate group holiday decision making. 相似文献
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为了提高学生学习的兴趣和教学效果,同时验证电路设计的合理性。以十进制加法器为例。利用Protel绘制出仿真电路图;对图中的元器件进行参数设置和对仿真电路进行仿真设置,利用其ERC功能对电路设计不合理的地方加以改进得出仿真结果,验证所设计电路的正确性;所设计电路可以完成其电路功能,实现十进制的加法功能。 相似文献
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Rafe McGregor 《Teaching in Higher Education》2019,24(3):332-345
ABSTRACTThe purpose of this article is to argue for the deconstruction rather than the decolonisation of the neocolonial curriculum. Globalisation facilitates the democratisation of higher education, which is now accessible to more people than ever before, but globalisation also facilitates the expansion of the ideological dominance of the Global North over the Global South by means of the neocolonial curriculum. Contemporary attempts to decolonise Global South curricula are proceeding very slowly. We propose an alternative, the deconstruction of the Global North curriculum, i.e. a radical change to the Global North curriculum that exploits the neoliberal imperative to maximise profit in order to undermine the neocolonial curriculum. We use two case studies – Frantz Fanon and Çi?dem Ka?itçiba?i – to demonstrate how the deconstruction of the Global North curriculum can be achieved, by the prioritisation of theory and practice that are sensitive to context. 相似文献
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Prote199SE是电子设计自动化(EDA).特别电子电路原理图与印制电路板(PCB)设计中广泛采用的一款软件.掌握Prote199SE使用中的一些实用技巧.并注意一些常见问题,Prote199SE的学习将变得更加容易.同时设计工作将能够更为顺利地进行,使得教学工作得到较好的开展.提高学生对该软件的学习兴趣. 相似文献
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介绍利用protel99进行电路原理图的绘制、印制板图的自动设计以及图纸的打印输出的基本操作方法和步骤 相似文献