Search Results - "刘冬冬"
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基于约束图正则的块稀疏对称非负矩阵分解
Published in 计算机科学 (2023)“…TP301.6; 现有的基于对称非负矩阵因式分解(Symmetric Nonnegative matrix…”
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自清洗网式过滤器排污系统数值模拟及结构优化
Published in 中国农村水利水电 (2023)“…TV93; 自清洗网式过滤器是一种新型过滤器,为提高其排污系统的排污效率,建立了自清洗网式过滤器排污系统旋喷动力和吸附吸力理论表达式,确定旋喷动力和吸附吸力影响因素;利用CFD方法对自清洗网式过滤器排污过程进行数值模拟,分别得到速度云图和压强云图,结果表明,排污系统吸嘴1~4最大流速差为2.96…”
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徐州地震台伸缩仪观测干扰分析
Published in 地震科学进展 (01-01-2022)“…徐州地震台伸缩仪运行至今主要受降雨及气压干扰,分析研究了降雨及气压对伸缩仪的影响,并进行了定量分析。结果表明,EW分量降雨的响应较为灵敏;观测数据短时间大幅加速上行的主要原因是仪器传感器铁芯在差动变压传感器中未居中,偏置的传感器铁芯在差动变压传感器中的感应面积增加,使得感应电压在观测中大幅增加。…”
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反演含碎石碳酸盐岩红土水力特性
Published in 水土保持学报 (2022)“…S152.7; 为探究喀斯特地区碎石夹层对碳酸盐岩红土水力特性的影响因素,通过室内模拟土柱入渗试验,采用垂直入渗水头法研究3种碎石体积含量(0,40%,80%)和3种碎石埋藏深度(0,5,15…”
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闪热解对烟煤焦结构及活化过程孔隙生成的影响
Published in 煤炭学报 (2016)“…采用闪热解方式在不同温度(500,800和1 000℃)和停留时间(10和40…”
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基于活化过程碳烧失特性的孔结构发展机制
Published in 煤炭学报 (2017)“…以太西无烟煤和大同烟煤为原料,在不同活化温度下制备了烧失率10%~75%的活性炭。研究了活化过程中无规则碳和微晶单元结构的烧失特性,并分析了表面碳烧失特征;结合不同活化阶段的孔结构特性,分析了微孔、中孔形成及发展机制。结果表明,当烧失率低于30%时,以无规则碳烧失为主,无烟煤活性炭主要形成1.35…”
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织物基金属有机框架复合材料的制备及应用研究进展
Published in 材料工程 (01-02-2024)“…TB333; 金属有机框架(metal-organic…”
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基于LC-MS/MS筛选宫颈病变和宫颈癌发生发展过程中的新型蛋白标志物
Published in 南方医科大学学报 (2019)“…目的 筛选可用来指示宫颈癌从癌前病变到癌变的血浆蛋白标志物,并分析其潜在机制与功能.方法 收集健康人(Control组),低度鳞状上皮内病变(LSIL)、高度鳞状上皮内病变(HSIL)、宫颈癌(CC)和治疗后患者血浆样本富集低丰度蛋白.LC-MS/MS检测样本的全多肽类型与序列,检测结果 用Proteome…”
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乳腺癌生存期相关长非编码MAPT-AS1及其共表达基因筛选与验证
Published in Zhongshan da xue xue bao. Zhongshan daxue xuebao yixue kexue ban = Journal of Sun Yat-sen University. Yi xue ke xue ban (2019)“…R73;…”
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Surface Modification of Cu-Cr Complex by NIR and MIR Laser
Published in Transactions of Tianjin University (2014)“…Irradiated by infrared laser, the surface reducibility and adsorbability of Cu-Cr complex could be im-proved, owing to the interaction of photo-fragmentation…”
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Synthesis and photocatalytic performance of europium-doped graphitic carbon nitride
Published in Journal of rare earths (01-11-2013)“…Europium-doped graphitic carbon nitride was synthesized by an easy method and characterized by X-ray diffraction (XRD), ultraviolet-visible diffuse reflection…”
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An Alternating Polymer of Two Building Blocks Based on B←N Unit:Non-fullerene Acceptor for Organic Photovoltaics
Published in 高分子科学:英文版 (2017)“…B←N coordination bond can be used to develop polymer electron acceptors for efficient all-polymer solar cells(all-PSCs). Here, we report a new alternating…”
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Evolution of the Total Lightning Activity in a Leading-Line and Trailing Stratiform Mesoscale Convective System over Beijing
Published in Advances in atmospheric sciences (01-07-2011)“…Data from the Beijing SAFIR 3000 lightning detection system and Doppler radar provided some insights into the three-dimensional lightning structure and…”
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Recent advances in research of lightning meteorology
Published in Journal of Meteorological Research (01-10-2014)“…Lightning meteorology focuses on investigating the lightning activities in different types of convective weather systems and the relationship of lightning to…”
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High-Gain Approach Based Full-Order Observers for Linear Systems with Unknown Inputs
Published in Transactions of Tianjin University (01-04-2016)“…In this paper, a full-order observer which can be fully decoupled from the unknown inputs as the conventional full-order observer does is designed by using…”
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Lightning Activity and Its Relationship with Typhoon Intensity and Vertical Wind Shear for Super Typhoon Haiyan (1330)
Published in 气象学报:英文版 (2016)“…Super Typhoon Halyan (1330), which occurred in 2013, is the most powerful typhoon during landfall in the meteorological record. In this study, the temporal and…”
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