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改进的高压气枪震源气泡物理模型及其应用

地球物理学报 2024年第3期67卷 1108-1119页

作者：赵迪徐润泽张帅李帅哈尔滨工程大学船舶工程学院哈尔滨150001 浙江大学工程力学系杭州310027

基于可压缩气泡动力学理论,建立改进的高压气枪震源气泡物理模型,其中考虑气枪气泡系统之间的物质输运效应、气液热传导等多种影响因素.改进模型的计算结果与实验数据吻合良好,且优于传统模型.在此基础上,本文分别探究了特征参数对单枪... 详细信息

基于可压缩气泡动力学理论,建立改进的高压气枪震源气泡物理模型,其中考虑气枪气泡系统之间的物质输运效应、气液热传导等多种影响因素.改进模型的计算结果与实验数据吻合良好,且优于传统模型.在此基础上,本文分别探究了特征参数对单枪和双枪气泡动力学特性及流场压力波的影响规律.研究表明气枪开口方式是模拟压力波首脉冲的关键因素,但是对于后续的气泡溃灭脉动压力影响较小;气枪平移运动对气泡的影响可忽略不计;气枪非同步激发可在保证压力波低频段能量不降低的前提下,在一定程度上削弱高频段能量.本研究旨在为深海资源勘探新型气枪的设计提供参考.

关键词：震源气泡物质输运压力波频谱

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Insight into the interaction between trimethoprim and soluble microbial products produced from biological wastewater treatment processes

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Journal of Environmental Sciences 2023年第2期124卷 130-138页

作者： runze xu Fang Fang Longfei Wang Jingyang Luo Jiashun Cao Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes Ministry of EducationCollege of EnvironmentHohai UniversityNanjing 210098China

Soluble microbial products(SMPs),dissolved organic matter excreted by activated sludge,can interact with antibiotics in wastewater and natural water *** between SMPs and antibiotics can influence antibiotic migration,transformation,and toxicity but the mechanisms involved in such interactions are not fully *** this study,integrated spectroscopy approaches were used to investigate the mechanisms involved in interactions between SMPs and a representative antibiotic,trimethoprim(TMP),which has a low biodegradation rate and has been detected in *** results of liquid chromatography-organic carbon detection-organic nitrogen detection indicated that the SMPs used in the study contained 15% biopolymers and 28% humic-like substances(based on the total dissolved organic carbon concentration)so would have contained sites that could interact with TMP.A linear relationship of fluorescent intensities of tryptophan protein-like substances in SMP was observed(R^(2)>0.99),indicating that the fluorescence enhancement between SMP and TMP ***-transform infrared spectroscopy and X-ray photoelectron spectroscopy indicated that carboxyl,carbonyl,and hydroxyl groups were the main functional groups involved in the *** electrostatic andπ-πinteractions were discovered by the UV-vis spectra and 1H nuclear magnetic resonance *** representations of the interactions between representative SMP subcomponents and TMP were calculated using density functional theory,and the results confirmed the conclusions drawn from the 1H nuclear magnetic resonance *** results help characterize SMP–TMP complexes and will help understand antibiotic transformations in wastewater treatment plants and aquatic environments.

关键词： Activated sludge process Interaction mechanism Antibiotics Soluble microbial products(SMP) Spectral methods

基于光线重排的印制电路板高速扫描成像迭代去模糊方法研究

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国外电子测量技术 2024年第1期43卷 52-59页

作者：许润泽罗守华鄢志鸿刘鹏飞东南大学生物科学与医学工程学院南京210000 深圳明锐理想科技有限公司深圳518000

自动光学检测(automated optical inspection,AOI)相机运动速度过高,拍摄印制电路板(printed circuit board,PCB)图像会产生严重模糊。如能正确恢复因此而产生的退化,可提高相机的运动速度,进而提高AOI的检测效率。受代数迭代重建算法(a... 详细信息

自动光学检测(automated optical inspection,AOI)相机运动速度过高,拍摄印制电路板(printed circuit board,PCB)图像会产生严重模糊。如能正确恢复因此而产生的退化,可提高相机的运动速度,进而提高AOI的检测效率。受代数迭代重建算法(algebraic reconstruction technique,ART)启发,提出一种基于光线重排的图像非盲去模糊算法。该方法在模糊核已知的情况下,基于快速迭代收缩阈值算法(fast iterative shrinkage thresholding algorithm,FISTA)迭代重建算法,运用Nestrov加速和光线重排提高了迭代收敛速度,运用数据正则抑制图像的各类加性噪声和伪影,较好地重建出原本的清晰图像。结果表明,该方法对噪声具有较好的抑制能力,对AOI相机运动曝光引起的严重模糊,较常用的传统逆滤波方法具有更好的图像恢复效果。

关键词：图像非盲去模糊代数迭代重建算法运动模糊

PROCESS　CHARACTERISTICS　OF　HoBa₂Cu₃O_7－δ　AND　EFFECT　OF　MAGNETIC　FIELD　ON　SUPERCONDUCTIVITY　OF　REBa₂Cu₃O_7－δ　（RE＝Y，Ho）

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中国有色金属学会会刊：英文版 1995年第2期5卷 101-105页

作者： Yi, Jianhong Peng, Chaoqun Shu, Yongchun Lin, Caidong xu, runze Central South Univ of Technology Changsha China

ＰＲＯＣＥＳＳＣＨＡＲＡＣＴＥＲＩＳＴＩＣＳＯＦＨｏＢａ２Ｃｕ３Ｏ７－δＡＮＤＥＦＦＥＣＴＯＦＭＡＧＮＥＴＩＣＦＩＥＬＤＯＮＳＵＰＥＲＣＯＮＤＵＣＴＩＶＩＴＹＯＦＲＥＢａ２Ｃｕ３Ｏ７－δ（ＲＥ＝Ｙ，Ｈｏ）￥Ｙｉ，Ｊｉ... 详细信息

ＰＲＯＣＥＳＳＣＨＡＲＡＣＴＥＲＩＳＴＩＣＳＯＦＨｏＢａ２Ｃｕ３Ｏ７－δＡＮＤＥＦＦＥＣＴＯＦＭＡＧＮＥＴＩＣＦＩＥＬＤＯＮＳＵＰＥＲＣＯＮＤＵＣＴＩＶＩＴＹＯＦＲＥＢａ２Ｃｕ３Ｏ７－δ（ＲＥ＝Ｙ，Ｈｏ）￥Ｙｉ，Ｊｉａｎｈｏｎｇ；Ｐｅｎ...

关键词： superconductor REBa2Cu3O7-δ magnetic field pressing magnetic field sintering

Advances in 3D Bioprinting

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Chinese Journal of Mechanical Engineering(Additive Manufacturing Frontiers) 2022年第1期1卷 1-15页

作者： Yongcong Fang Yuzhi Guo Tiankun Liu runze xu Shuangshuang Mao Xingwu Mo Ting Zhang Liliang Ouyang Zhuo Xiong Wei Sun Biomanufacturing Center Department of Mechanical EngineeringTsinghua UniversityBeijing 100084China Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing Beijing 100084China “Biomanufacturing and Engineering Living Systems”Innovation International Talents Base(111 Base) Beijing 100084China Department of Mechanical Engineering and Mechanics Drexel UniversityPhiladelphiaPA 19104USA

Three-dimensional(3D)bioprinting has emerged as a promising approach for engineering functional tissues and organs by layer-by-layer precise positioning of biological materials,living cells,and biochemical *** with nonbiological printing,3D bioprinting involves additional complexities and technical challenges owing to the processing of living cells,such as the appropriate biomaterials that fulfill the requirements for both printability and *** this review,we first introduce the development course of 3D bioprinting,highlighting innovative forms of living building blocks and advances in enabling techniques of 3D *** then summarize the state-of-the-art advancements in 3D bioprinting for biomedical applications,including macroscale tissue or organ bioprinting,disease modeling,microphysiological systems,biobots,and bioprinting in *** the rapid development of 3D bioprinting over the past decades,most 3D bioprinted tissue or organ constructs are still far from being suitable for clinical translation,and it is necessary for the field of bioprinting to shift its focus from shape mimicking towards functionality ***,we provide our perspectives on this burgeoning field with an emphasis on functional maturation post printing and translational applications at the bedside.

关键词： 3D bioprinting Tissue engineering Disease model Organ-on-a-chip Biohybrid robots Space bioprinting

Optical scanning endoscope via a single multimode optical fiber

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Opto-Electronic Science 2024年第3期3卷 1-32页

作者： Guangxing Wu runze Zhu Yanqing Lu Minghui Hong Fei xu Department of Electrical and Computer Engineering National University of Singapore4 Engineering Drive 3117576Singapore College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures Nanjing UniversityNanjing 210023China Pen-Tung Sah Institute of Micro-Nano Science and Technology Xiamen University33 Qunxian RoadXiamen 361005China

Optical endoscopy has become an essential diagnostic and therapeutic approach in modern biomedicine for directly observing organs and tissues deep inside the human body,enabling non-invasive,rapid diagnosis and *** fiber endoscopy is highly competitive among various endoscopic imaging techniques due to its high flexibility,compact structure,excellent resolution,and resistance to electromagnetic *** the past decade,endoscopes based on a single multimode optical fiber(MMF)have attracted widespread research interest due to their potential to significantly reduce the footprint of optical fiber endoscopes and enhance imaging *** comparison with other imaging principles of MMF endoscopes,the scanning imaging method based on the wavefront shaping technique is highly developed and provides benefits including excellent imaging contrast,broad applicability to complex imaging scenarios,and good compatibility with various well-established scanning imaging *** this review,various technical routes to achieve light focusing through MMF and procedures to conduct the scanning imaging of MMF endoscopes are *** advancements in imaging performance enhancements,integrations of various imaging modalities with MMF scanning endoscopes,and applications are *** specific to this endoscopic imaging technology are analyzed,and potential remedies and avenues for future developments are discussed.

关键词： multimode optical fiber endoscope scanning imaging focusing wavefront shaping

污水处理系统中N_(2)O的生产利用及数据驱动模拟研究进展

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环境工程 2022年第6期40卷 107-115页

作者：徐润泽操家顺方芳河海大学环境学院浅水湖泊综合治理与资源开发教育部重点实验室南京210024

氧化亚氮(N_(2)O)是一种温室气体,同时也是具有能源回收潜力的强氧化性物质。综述了促进N_(2)O产生的新兴污水脱氮过程及提高N_(2)O产生的方法,比较了不同方法的运行条件及N_(2)O转化率,并指出了各种方法的不足之处。从识别N_(2)O产生... 详细信息

氧化亚氮(N_(2)O)是一种温室气体,同时也是具有能源回收潜力的强氧化性物质。综述了促进N_(2)O产生的新兴污水脱氮过程及提高N_(2)O产生的方法,比较了不同方法的运行条件及N_(2)O转化率,并指出了各种方法的不足之处。从识别N_(2)O产生的关键影响因素和预测N_(2)O产量2个方面综述了污水处理过程中N_(2)O数据驱动模型的研究进展。目前N_(2)O的增产方法主要包括耦合好氧-缺氧氮分解过程、单反应器生产过程及基因工程菌和半导体修饰菌增产过程。收集污水处理厂中的大数据可以建立N_(2)O数据驱动模型,但是现有的数据驱动模型仅仅关注N_(2)O减排。开发N_(2)O的新型增产过程,优化控制增产过程的功能菌种,建立N_(2)O数据驱动模型与N_(2)O增产方法之间的关联性是未来N_(2)O生产利用技术的发展方向。

关键词：氧化亚氮污水处理机器学习能源回收脱氮

侵犯公民个人信息罪之法益辨析及出罪路径探究

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商丘职业技术学院学报 2023年第1期22卷 14-19页

作者：胥润泽贵州民族大学贵州贵阳550025

侵犯公民个人信息罪的法益纷争尚存,超个人法益论偏向于个人信息公共属性的彰显,而忽视对其更为本质的个体属性的征表。个人信息保护维度的逐步拓展,致使合理适用个人信息的途径限缩。为克服理论层面存有的法益认知偏差,对超个人法益检... 详细信息

侵犯公民个人信息罪的法益纷争尚存,超个人法益论偏向于个人信息公共属性的彰显,而忽视对其更为本质的个体属性的征表。个人信息保护维度的逐步拓展,致使合理适用个人信息的途径限缩。为克服理论层面存有的法益认知偏差,对超个人法益检视之际,辨析回归个人法益的可行性。以出罪路径为视角厘清公民个人信息的甄别基准,对违反国家有关规定予以限缩解释,探寻情节严重标准的合理限度。进一步完善知情同意免责机制,切实保障公民个人信息安全,推动数字经济稳健发展。

关键词：出罪路径法益辨析限缩解释侵犯公民个人信息罪

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考虑区块链追溯的航运供应链服务定价

大连海事大学学报 2024年第1期50卷 102-112页

作者：赵旭曲润泽黄瑞大连海事大学交通运输管理学院辽宁大连116026

考虑货主对追溯信息的偏好,构建港口、承运人和货运代理的三级航运供应链,由各方分别主导区块链溯源系统的建设,结合成本分摊策略,使用Stackelberg博弈模型,对比分析基准模式与三种区块链技术模式下的最优定价策略。此外,考虑了不同政... 详细信息

考虑货主对追溯信息的偏好,构建港口、承运人和货运代理的三级航运供应链,由各方分别主导区块链溯源系统的建设,结合成本分摊策略,使用Stackelberg博弈模型,对比分析基准模式与三种区块链技术模式下的最优定价策略。此外,考虑了不同政府补贴模式下的补贴力度和成员定价策略。研究结果发现:区块链技术对于航运供应链成员来说并不总是最优决策,这与成本分摊比例、货主对追溯信息的偏好及航运文书延迟成本有关;当货主对溯源信息偏好较高,而溯源成本较低时,各方应提高溯源水平,从而提高自身收益;政府的固定补贴模式无法给跟随者带来收益,而在追溯补贴模式下,当航运链领导者的分摊比例高于一定阈值时,追溯补贴力度的提高会使整个供应链的利润最大化。

关键词：航运供应链服务定价定价策略区块链可追溯性政府补贴