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Prevention of necrotizing enterocolitis in premature infants——an updated review

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World Journal of Clinical Pediatrics 2019年第2期8卷 23-32页

作者： Yu-Ting Jin Yue Duan Xiao-kai deng Jing Lin Department of Neonatology The Second Affiliated Hospital and Yuying Children’s Hospital Wenzhou Medical University Department of Pediatrics Icahn School of Medicine at Mount Sinai

Necrotizing enterocolitis(NEC) is among the most common and devastating diseases encountered in premature infants, yet the true etiology continues to be poorly understood despite decades of research. Recently, gut bacterial dysbiosis has been proposed as a risk factor for the development of NEC. Based on this theory, several best clinical practices designed to reduce the risk of NEC have been proposed and/or implemented. This review summarizes the results of recent clinical trials and meta-analyses that support some of the existing clinical practices for reducing the risk of NEC in premature infants. It is evident that human milk feeding can reduce the incidence of NEC. While most of the studies demonstrated that probiotic supplementation can significantly reduce the incidence of NEC in premature infants, there are still some concerns regarding the quality, safety, optimal dosage, and treatment duration of probiotic preparations. Antibiotic prophylaxis does not reduce the incidence of NEC, and prolonged initial empirical use of antibiotics might in fact increase the risk of NEC for high-risk premature infants. Lastly, standardized feeding protocols are strongly recommended, both for prevention of postnatal growth restriction and NEC.

关键词： Necrotizing enterocolitis Prevention Human milk feeding Probiotics Empiric antibiotics Standardized feeding protocols

A resonant miniature electric field sensor using bulk-micromachining process

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Progress in Natural Science:Materials International 2005年第6期15卷 569-572页

作者： deng kai*, XIA Shanhong, GONG Chao, PENG Chunrong, TAO Hu, BAI Qiang and CHEN Shaofeng(State Key Laboratory of Transducer Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100080, China) State Key Laboratory of Transducer Technology Institute of Electronics Chinese Academy of Sciences Beijing 100080 China

A novel design of a resonant miniature electric field sensor based on microfabrication technology is proposed. The operating principles and specifications, the design structure, and the silicon-based bulk-micromachining fabrication process are presented. The finite element simulation shows that our design can obtain good results in device parameters setting, and its simplicity and low-cost features make it an attractive product for future applications.

关键词： micro electro mechanical systems (MEMS) bulk-micromachining anodic bonding deep reactive ion etching (DRIE).

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机载SAR的运动误差的二维空变性及其补偿

电子与信息学报 2009年第2期31卷 366-369页

作者：谭鸽伟邓云凯中国科学院电子学研究所北京100190

精确的运动补偿是高分辨率机载SAR成像的关键,尤其对于机载小平台和大扰动情况下的成像具有重要意义。为了获得高质量的SAR图像,该文结合波数域算法,考虑运动误差的二维空变性,提出了具体的运动补偿算法,并基于实测数据得到了成像结果... 详细信息

精确的运动补偿是高分辨率机载SAR成像的关键,尤其对于机载小平台和大扰动情况下的成像具有重要意义。为了获得高质量的SAR图像,该文结合波数域算法,考虑运动误差的二维空变性,提出了具体的运动补偿算法,并基于实测数据得到了成像结果。结果显示,该文提出的算法对运动误差有较好的补偿效果。

关键词：机载SAR 运动误差运动误差的二维空变性运动补偿

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基于经验模态分解的心率变异性谱分析研究

中国生物医学工程学报 2005年第3期24卷 319-323页

作者：李永勤邓亲恺南方医科大学生物医学工程系医学物理教研室广州510515

本研究提出了一种应用经验模态分解(EMD)和Lomb周期图进行心率变异性分析的方法,并对5 4例糖尿病(其中34例伴有显著临床自主神经病变症状)患者与4 9例正常对照者进行了临床实验对照分析。结果表明,基于EMD的Lomb周期图方法能够克服传统... 详细信息

本研究提出了一种应用经验模态分解(EMD)和Lomb周期图进行心率变异性分析的方法,并对5 4例糖尿病(其中34例伴有显著临床自主神经病变症状)患者与4 9例正常对照者进行了临床实验对照分析。结果表明,基于EMD的Lomb周期图方法能够克服传统的重采样法对心率变异性谱分析结果造成的失真,在心率变异性分析尤其是在疾病诊断方面具有重要的应用价值。

关键词：经验模态分解 Lomb周期谱心率变异性分析糖尿病

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一种改进的斜视SAR运动补偿波数域算法

电子与信息学报 2009年第1期31卷 156-159页

作者：谭鸽伟邓云凯中国科学院电子学研究所北京100190

准确的运动补偿是高分辨率机载SAR成像的关键。为了获得高质量的斜视SAR图像,该文详细研究了用改进的波数域算法处理带有运动误差的斜视SAR数据,提出了一种改进的斜视SAR运动补偿波数域算法,并用该算法进行了点目标仿真和对原始数据成像... 详细信息

准确的运动补偿是高分辨率机载SAR成像的关键。为了获得高质量的斜视SAR图像,该文详细研究了用改进的波数域算法处理带有运动误差的斜视SAR数据,提出了一种改进的斜视SAR运动补偿波数域算法,并用该算法进行了点目标仿真和对原始数据成像,结果表明,该算法对处理带有运动误差的斜视SAR数据有很好的效果。

关键词：合成孔径雷达波数域算法改进的波数域算法(EWD) 运动补偿(MOCO) 斜视EWD

Application of TESOL Teaching Method to College English Teaching—A Case Study of“Programme Management”

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海外英语 2020年第15期 269-270页

作者：邓凯方邵阳学院外语学院

With the approaching of globalization,educational resources have been shared in the world *** English teaching theories and methods abroad are gradually recognized and accepted by Chinese English teachers,*** paper takes programme management as example,compares it with traditional curriculum management,and also applies it to Chinese *** study tries to enrich college English teaching methods and modes.

关键词： TESOL programme management college English teaching

Conceptual Metaphor and Its Development

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海外英语 2020年第14期 83-84页

作者：邓凯方邵阳学院外语学院

Traditional metaphor theory regards metaphor as a rhetorical device,but conceptual metaphor theory in cognitive linguis⁃tics believes that metaphor is also a universal way of thinking and a cognitive method which people can use to know the *** paper mainly summarizes conceptual metaphor theory,discusses its contribution towards cognitive linguistics and its impor⁃tant developments—the blending *** study will benefit the further metaphor researching and language teaching.

关键词： conceptual metaphor blending theory development and application

Angiotensin Ⅱ enhances the group 2 innate lymphoid cells responses via its receptor AT1a during airway inflammation

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Angiotensin Ⅱ enhances the group 2 innate lymphoid cells re...

复杂网络视角下跨社交网络用户身份识别研究综述

第十四届全国免疫学学术大会

作者： Gaoyu Liu Yingying Chen Ying Wang Xiaohui deng kai deng Zhi Yao Jie Zhou Key Laboratory of Immune Microenvironment and Disease of the Ministry of Education Department of ImmunologySchool of Basic SciencesTianjin Medical University 中山大学中山医学院中山大学附属第七医院(深圳)

Group 2 innate lymphoid cells(ILC2 s) both contribute to maintain mucosal tissue homeostasis and initiate tissue airway inflammation during allergen challenge,especially during allergic inflammation and worm *** exists crosstalk between the neuro-and epithelial-derived factors and immune cells,which plays an important role in inflammation and tissue homeostasis during allergen challenge.H owever,the detailed and fine mechanism of how epithelium-derived peptides control ILC2 s(this biological process) remains to be fully *** this study,we found that lung epithelial cells express angiotensinogen(AGT) and the components of RAS,including AGT,renin,ACE were upregulated during allergen papain challenge by using immunofluorescence staining(IF) and laser confocal imaging technology and in vivo papain-induced lung inflammation ***2 s expressed relatively higher levels of the Ang II receptor AT1 a,and colocalized with lung epithelial cells expressing *** of Ang II significantly potentiated ILC2 responses both in vivo and in vitro,which were almost completely abrogated in AT1 a-deficient *** transfer of ILC2 into immunodeficient NCG mice and mixed bone marrow chimeras experiment support that the regulation of ILC2 by Ang II was cell *** of RAS signaling by either angiotensin converting enzyme(ACE) inhibitor captopril or AT1 antagonist telmisartan clearly alleviated the severity of airway inflammation in the context of ILC2-mediated allergic *** studies showed that the regulation of ILC2 by Ang II was associated with marked changes in transcriptional profiling by SMART-seq2,and the activation of Ras-ERK and MAPK signaling pathways,and the phosphorylation of ERK1/2 in ILC2 was sig nificantly induced by AngⅡ.Importantly,the decreased of ILC2 s’ activation by telmisartan was similarly observed in humanized mice after IL-33 challenge,resulted in lesser infiltrated cells in the perib

关键词： ILC2s Ang Ⅱ Airway allergic inflammation

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电子科技大学学报 2020年第6期49卷 905-917页

作者：邢玲邓凯凯吴红海谢萍河南科技大学信息工程学院河南洛阳471023

社交网络是一种具有交互特性的复杂网络,利用复杂网络具有的网络特性可以链接不同社交网络中的节点,并分析节点之间存在的联系,结合相关的匹配算法可以有效地识别出用户在不同社交网络上的虚拟账号,有助于各大社交网络为用户提供更好的... 详细信息

社交网络是一种具有交互特性的复杂网络,利用复杂网络具有的网络特性可以链接不同社交网络中的节点,并分析节点之间存在的联系,结合相关的匹配算法可以有效地识别出用户在不同社交网络上的虚拟账号,有助于各大社交网络为用户提供更好的服务。该文对近十多年来数据挖掘领域中提出的跨社交网络用户身份识别技术进行了系统性地综述,详细阐述了3类用户身份识别技术相似度的计算方法和统一的识别框架,利用相关的评价指标对分类后的用户身份识别技术进行性能评估,最后展望了跨社交网络用户身份识别技术的未来研究方向。

关键词：跨社交网络复杂网络数据挖掘实体用户用户身份识别