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求解输水管系统可靠性的一种简便算法
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作者 赵树立 刘国瑞 《辽宁工学院学报》 1997年第3期72-75,共4页
本文通过△-Y变换方法,给出了“桥”式输水管系统可靠性的一种简便算法。比古典的计算方法简捷、方便。
关键词 输水管系统 可靠性 计算
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Giant Hydroureteronephrosis Associated with Ipsilateral Inguinal Hernia and Contralateral Hydronephrosis:a Case Study 被引量:3
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作者 Zhi-qiang Wang Xiao-hong Dong Bai-zhi Yang Xiu-hong Wang 《Chinese Medical Sciences Journal》 CAS CSCD 2010年第4期243-245,共3页
GIANT hydronephrosis is a rare urological entity. It was first defined as the presence of more than 1000 mL of fluid in the collecting sys-tem.1 That disease is seen more often in males
关键词 heminephroureterectomy hydroureteronephrosis inguinal hernia
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Use of Artificial Intelligence in the Issue of Protection against Negative Impact of Floods
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作者 Karel Drbal 《Journal of Environmental Science and Engineering(B)》 2012年第5期620-631,共12页
The paper follows possible specification of a control algorithm of a WS (water management system) during floods using the procedures of AI (artificial intelligence). The issue of minimizing negative impacts of flo... The paper follows possible specification of a control algorithm of a WS (water management system) during floods using the procedures of AI (artificial intelligence). The issue of minimizing negative impacts of floods represents influencing and controlling a dynamic process of the system where the main regulation elements are water reservoirs. Control of water outflow from reservoirs is implicitly based on the used model (titled BW) based on FR (fuzzy regulation). Specification of a control algorithm means dealing with the issue of preparing a knowledge base for the process of tuning fuzzy regulators based on an I/O (input/output) matrix obtained by optimization of the target behaviour of WS. Partial results can be compared with the regulation outputs when specialized tuning was used for the fuzzy regulator of the control algorithm. Basic approaches follow from the narrow relation on BW model use to simulate floods, without any connection to real water management system. A generally introduced model allows description of an outflow dynamic system with stochastic inputs using submodels of robust regression in the outflow module. The submodels are constructed on data of historical FS (flood situations). 展开更多
关键词 Flood protection artificial intelligence reservoirs control fuzzy regulation.
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停泵水锤最大压力值范围分析
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作者 水浩然 《设计通讯》 1996年第4期35-40,共6页
关键词 输水管系统 停泵水锤 水锤 压力值 范围
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