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储运过程管道堵塞故障小样本模式识别方法

计算机应用研究 2014年第7期31卷 2031-2034页

作者：陈扶明税爱社李生林卿宇搏孙耀磊后勤工程学院后勤信息与军事物流工程系 76174部队

针对储运过程典型的管道堵塞故障样本数量不足、诊断知识不完备的实际情况,提出储运过程管道堵塞故障小样本模式识别方法;以支持向量机(SVM)算法为基础,构建了储运过程故障模式识别框架,分析了基于SVM方法的故障模式分类;利用储运过程... 详细信息

针对储运过程典型的管道堵塞故障样本数量不足、诊断知识不完备的实际情况,提出储运过程管道堵塞故障小样本模式识别方法;以支持向量机(SVM)算法为基础,构建了储运过程故障模式识别框架,分析了基于SVM方法的故障模式分类;利用储运过程仿真模型采集正常及故障过程数据,建立SVM多分类模式识别器,通过识别器核函数选取和参数优化,进行了管道堵塞故障小样本模式识别的仿真应用研究。仿真实验结果表明,SVM方法能够准确、快速实现故障模式识别,为储运过程故障模式识别提供了一种实用方法。

关键词：储运过程模式识别管道堵塞支持向量机参数优化智能算法

水工导流隧洞模型试验中糙率不相似问题的研究

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四川大学学报（工程科学版） 2002年第4期34卷 42-45页

作者：杨庆戴光清向柏宇刘荣丽四川大学高速水力学国家重点实验室四川成都610065

文中对水工导流隧洞模型试验中模型与原型糙率不相似问题 (缩尺效应 )进行了探讨。采用了模拟变态模型试验和根据雷诺数与沿程阻力系数关系 (Rem～λm) 两种方法 ,分别对溪洛渡水电站导流隧洞模型试验的过流能力进行了修正 ,从而提高了... 详细信息

文中对水工导流隧洞模型试验中模型与原型糙率不相似问题 (缩尺效应 )进行了探讨。采用了模拟变态模型试验和根据雷诺数与沿程阻力系数关系 (Rem～λm) 两种方法 ,分别对溪洛渡水电站导流隧洞模型试验的过流能力进行了修正 ,从而提高了模型试验成果的精度和可靠性。两种修正方法结果比较表明 :模拟变态模型试验修正法因同时考虑了沿程和局部水头损失误差 ,其修正结果较为合理。研究成果对此类问题的处理。

关键词：水工导流隧洞糙率不相似水工模型试验变态模型水工建筑物缩尺效应

版纳微型猪近交系胎儿成纤维细胞系的建立及其生物学特征

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湖南农业大学学报（自然科学版） 2010年第6期36卷 678-682页

作者：李红魏红江许成盛汪霞卿玉波曾养志云南农业大学云南省版纳微型猪近交系重点实验室云南昆明650201 云南农业大学动物科学技术学院云南昆明650201

以版纳微型猪近交系妊娠47d的胎儿为材料,采用胰蛋白酶消化法消化培养胎儿成纤维细胞,对其进行细胞形态观察、细胞冻存前和复苏后存活率测定、生长曲线绘制和染色体核型分析等生物学特征检测.结果表明,培养的版纳微型猪近交系胎儿成纤... 详细信息

以版纳微型猪近交系妊娠47d的胎儿为材料,采用胰蛋白酶消化法消化培养胎儿成纤维细胞,对其进行细胞形态观察、细胞冻存前和复苏后存活率测定、生长曲线绘制和染色体核型分析等生物学特征检测.结果表明,培养的版纳微型猪近交系胎儿成纤维细胞呈典型的成纤维细胞形态;细胞冻存前和复苏后的存活率分别为98.06%和92.12%;生长曲线呈"S"形,倍增时间为36h;对所制备染色体核型进行分析,显示2n=38,XY,并在体外培养14个代次后仍能保持正常核型.

关键词：版纳微型猪近交系胎儿成纤维细胞细胞培养生物学特征

Literature study on traditional Chinese medicine syndromes after renal transplantation

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World Journal of Transplantation 2025年第1期15卷 150-155页

作者： yun-Peng Guo Ling-Xue Bao yu-Yang Wang Quan Wen Gai Hang bo Chen Tongliao Clinical Medical College Inner Mongolia Medical UniversityTongliao 028000Inner Mongolia Autonomous RegionChina Department of Urology Tongliao People's HospitalTongliao 028000Inner Mongolia Autonomous RegionChina

BACKGROUND Kidney transplantation is the most effective means to treat patients with renal failure,but its postoperative problems such as rejection reactions,immunosuppressant poisoning,chronic transplant kidney nephropathy,*** have not been effectively *** study searched for literature on traditional Chinese medicine(TCM)syndromes after kidney transplantation in China,conducted statistical analysis of the results,and sought to identify the underlying *** To understand the TCM syndromes after renal transplantation and associated rules and provide a theoretical basis for further clinical *** The literature pertaining to TCM syndromes in renal transplantation,published in the China National Knowledge Infrastructure,Wanfang database,and WIP database from 1970 to 2021,was meticulously searched and comprehensively and statistically *** Following the established inclusion and exclusion criteria,13 studies were selected for ***-renal transplantation,no significant discrepancy was noted among the groups based on the location of TCM ***,when categorized according to TCM pathogenic factors,the groups with spleen and kidney yang deficiency,as well as liver and kidney yin deficiency,exhibited a statistically significant difference in the *** Currently,the research on TCM syndromes pertaining to renal transplantation is in its nascent *** is imperative to conduct a multicentric,large-scale survey of TCM syndromes subsequent to renal transplantation in the ensuing years.

关键词： Kidney transplantation Syndrome Literature analysis Traditional Chinese medicine Systematic review

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提高地质储量计算精度需注意的几个问题

西南石油大学学报（自然科学版） 2011年第5期33卷 63-67,192页

作者：王亚青高博禹孙立春中海石油研究总院北京东城100027

由于受油藏复杂性、技术局限性和资料有限性等因素的影响,地质储量计算结果常存在很强的不确定性,造成油田储量与产量之间的不匹配现象日益突出,地质储量复(核)算前后差异较大。通过分析油藏地质认识、计算单元划分和储量计算参数求取... 详细信息

由于受油藏复杂性、技术局限性和资料有限性等因素的影响,地质储量计算结果常存在很强的不确定性,造成油田储量与产量之间的不匹配现象日益突出,地质储量复(核)算前后差异较大。通过分析油藏地质认识、计算单元划分和储量计算参数求取对储量计算结果的影响,指出应加强油藏地质研究,提高构造层位解释的精度,明确储层的特征和落实油水系统及油水界面;在此基础上,根据实际情况对独立的油气水系统进行适当的细划计算单元;同时应用地质统计学结合地震资料建立计算单元合理的参数模型,从而提高油气地质储量计算精度。

关键词：地质储量影响因素计算单元储量参数

电激活参数和培养基对猪卵母细胞孤雌发育的影响

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湖南农业大学学报（自然科学版） 2011年第4期37卷 415-418页

作者：潘伟荣魏太云信吉阁张崇义卿玉波魏红江云南农业大学动物科学技术学院云南昆明650201 呈贡县动物卫生监督所云南昆明650500

为优化电激活和胚胎培养的相关技术体系,研究电激活参数和培养液对猪卵母细胞孤雌胚胎发育的影响。结果表明:在脉冲电压为150 V(以每1 mm电激槽宽计,下同)、脉冲持续时间为100μs、脉冲1次的电激活条件下,猪卵母细胞孤雌激活的效果较好... 详细信息

为优化电激活和胚胎培养的相关技术体系,研究电激活参数和培养液对猪卵母细胞孤雌胚胎发育的影响。结果表明:在脉冲电压为150 V(以每1 mm电激槽宽计,下同)、脉冲持续时间为100μs、脉冲1次的电激活条件下,猪卵母细胞孤雌激活的效果较好;在脉冲持续时间和脉冲次数恒定的条件下,脉冲电压150 V组的囊胚率显著高于100 V组和125 V组(P0.05),但PZM3培养液组的卵裂率、囊胚率和囊胚细胞数均略高于NCSU23组。

关键词：猪卵母细胞孤雌发育激活参数培养液

Relationship between parenting stress and behavioral and emotional problems in preschool children: A mediation effect analysis

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World Journal of Psychiatry 2025年第1期15卷 128-136页

作者： Zhi-Wei Fu yue-Jing Li Ran yu Rui-qing Guo Li-Xia Gao Sheng-Xia Zhao Department of Children's Health Shijiazhuang Maternity and Child Healthcare HospitalShijiazhuang 050000Hebei ProvinceChina

BACKGROUND Emotional reactions,such as anxiety,irritability,and aggressive behavior,have attracted clinical attention as behavioral and emotional problems in preschool-age *** To investigate the current status of family rearing,parental stress,and behavioral and emotional problems of preschool children and to analyze the mediating effect of the current status of family rearing on parental stress and behavioral/emo-tional *** We use convenience sampling to select 258 preschool children in the physical examination center of our hospital from October 2021 to September *** children and their parents were evaluated using a questionnaire ***'s correlation was used to analyze the correlation between child behavioral and emotional problems and parental stress and family rearing,and the structural equation model was constructed to test the mediating *** The score for behavioral/emotional problems of 258 preschool children was(27.54±3.63),the score for parental stress was(87.64±11.34),and the score for parental family rearing was(31.54±5.24).There was a positive correlation between the behavioral and emotional problems of the children and the“hostile/mandatory”parenting style;meanwhile,showed a negative correlation with the“support/participation”parenting style(all P<0.05).The intermediary effect value between the family upbringing of parents in parental stress and children's behavior problems was 29.89%.CONCLUSION Parental family upbringing has a mediating effect between parental stress and behavioral and emotional problems of *** paying attention to the behavioral and emotional problems of preschool-age children,clinical medical staff should provide correct and reasonable parenting advice to their parents to promote the mental health of preschool-age children.

关键词： Preschool children Parenting stress Children's behavioral and emotional problems Family rearing Mediating effect

Matching CCD images to a stellar catalog using locality-sensitive hashing

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Research in Astronomy and Astrophysics 2018年第2期18卷 105-114页

作者： bo Liu Jia-Zong yu qing-yu Peng College of Information Science and Technology Jinan University Sino-French Joint Laboratory for Astrometry Dynamics and Space Science Jinan University

The usage of a subset of observed stars in a CCD image to find their corresponding matched stars in a stellar catalog is an important issue in astronomical research. Subgraph isomorphic-based algorithms are the most widely used methods in star catalog matching. When more subgraph features are provided, the CCD images are recognized better. However, when the navigation feature database is large, the method requires more time to match the observing model. To solve this problem, this study investigates further and improves subgraph isomorphic matching algorithms. We present an algorithm based on a locality-sensitive hashing technique, which allocates quadrilateral models in the navigation feature database into different hash buckets and reduces the search range to the bucket in which the observed quadrilateral model is located. Experimental results indicate the effectivity of our method.

关键词： astronomical databases: miscellaneous -- methods: data analysis -- techniques: imageprocessing

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支原体肺炎临床特征的研究

东南国防医药 2009年第4期11卷 308-309,315页

作者：陆月明秦玉波丁小丽解放军第455医院呼吸科上海200052 空军上海后勤训练基地门诊部上海200052

目的观察13例支原体肺炎患者临床特征及胸部影像学改变。方法对13例因发热住院的患者分别应用逆转录-聚合酶链反应检测咽漱液中常见上呼吸道病原体DNA,应用免疫荧光法检测血清中常见上呼吸道病原体IgM抗体;同时进行胸部X线和CT检查。结... 详细信息

目的观察13例支原体肺炎患者临床特征及胸部影像学改变。方法对13例因发热住院的患者分别应用逆转录-聚合酶链反应检测咽漱液中常见上呼吸道病原体DNA,应用免疫荧光法检测血清中常见上呼吸道病原体IgM抗体;同时进行胸部X线和CT检查。结果13例患者肺炎支原体-IgM抗体阳性,临床主要表现为发热和干咳,胸部X线片表现为小片状密度增高影,CT表现为两肺多发或单发性斑片状密度增高影,仅1例呈大片状模糊影。阿齐霉素治疗效果较好。结论支原体肺炎有一定的传染性,临床症状较重,但体征缺乏特异性,胸部CT扫描较普通X线胸片更易发现病灶,血清IgM抗体检查有助于支原体肺炎的临床诊断。

关键词：肺炎支原体肺炎临床特征