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中间相的微粘度梯度——用自旋示踪剂技术对三相胶束体系的研究

中华医学会第16次全国放射学学术大会

作者： l.Xu M.D.Beijing China l.yang M.D.Y.li M.D.Z.M.Fan M.D.Z.Q.Zhang M.D.

PURPOSE To explore feasibility of applying dual source CT(DSCT) prospective ECG-gated coronary angiography in patients with heart rate(HR) higher than 70 beat per minute(bpm),and evaluate image quality and radiation d...

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华东石油学院学报(自然科学版) 1985年第2期 36-44页

作者：赵福麟 M.J.Rosen N.-l.yang 华东石油学院纽约市立大学Brooklyn学院化学系华东石油学院纽约市立大学Staten Island学院化学系教授教授

用自旋示踪剂相关时间的电子自旋共振技术对三相胶束体系中的中间相进行了研究,证实在最佳含盐量下中间相有微粘度梯度存在,但在非最佳含盐量下中间相则无微粘度梯度。由此得出中间相存在不是梯度存在的充分条件。可以认为梯度是临界点... 详细信息

用自旋示踪剂相关时间的电子自旋共振技术对三相胶束体系中的中间相进行了研究,证实在最佳含盐量下中间相有微粘度梯度存在,但在非最佳含盐量下中间相则无微粘度梯度。由此得出中间相存在不是梯度存在的充分条件。可以认为梯度是临界点下的一种起伏现象。在这点下,水连续和油连续两种类型的微乳状液处于平衡,并极易发生相互转变,因而重力场的作用使梯度产生。微粘度梯度的观察结果与电导测量的结果一致。

关键词：中间相示踪剂微乳状液界面张力电导测量宏观性质磺酸盐参考图相关时间界面结构

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经济发展、信任与治理(英文)

经济发展、信任与治理(英文)

Force and impulse multi-sensor based on flexible gate dielectric field effect transistor

北京论坛（2011）文明的和谐与共同繁荣--传统与现代、变革与转型

作者： Dali l.yang Professor of Political Science Faculty Director,Beijing Center The University of Chicago

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 214-220页

作者： Chao Tan Junling lü Chunchi Zhang Dong liang lei yang Zegao Wang College of Materials Science and Engineering Sichuan UniversityChengdu 610065China The 54th Research Institute of China Electronics Technology Group Corporation Shijiazhuang 050081China

Nowadays,force sensors play an important role in industrial production,electronic information,medical health,and many other ***-dimensional material-based filed effect transistor(2D-FET)sensors are competitive with nano-level size,lower power consumption,and accurate ***,few of them has the capability of impulse detection which is a path function,expressing the cumulative effect of the force on the particle over a period of *** we fabricated the flexible polymethyl methacrylate(PMMA)gate dielectric MoS_(2)-FET for force and impulse sensor *** systematically investigated the responses of the sensor to constant force and varying forces,and achieved the conversion factors of the drain current signals(I_(ds))to the detected impulse(I).The applied force was detected and recorded by I_(ds)with a low power consumption of~30 *** sensitivity of the device can reach~8000%and the 4×1 sensor array is able to detect and locate the normal force applied on ***,there was almost no performance loss for the device as left in the air for two months.

关键词： flexible gate dielectric transistor force sensor impulse sensor force sensor array

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PslG,a Self-produced Glycosyl Hydrolase Triggers Biofilm Disassembly by Disrupting Exopolysaccharide Matrix

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PslG,a Self-produced Glycosyl Hydrolase Triggers Biofilm Dis...

Intron Polymorphisms:Species-specif ic and Interspecies-comparable Markers

中国生物工程学会第六次全国会员代表大会暨第九届学术年会

作者： S.Yu T.Su H.Wu S.liu D.Wang T.Zhao Z.Jin W.Du M.Zhu S.Chua l.yang D.Zhu l.Gu 马旅雁 Institute of Microbiology Chinese Academy of Sciences University of the Chinese Academy of Sciences Shandong University Washington State University Nanyang Technological University 中国科学院微生物研究所

Biofilms are surface-associated communities of microorganism embedded in extracellular matrix. Exopolysaccharide is a critical component in the extracellular matrix that maintains biofilm architecture and protects resident biofilm bacteria from antimicrobials and host immune attack. However, the self-produced factors that target the matrix exopolysaccharides, are poorly understood. Here we show that PslG,

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分子植物育种 2007年第2期5卷 250-250页

作者： W.R. Wu l.yang　 G.l. Jin College of Agriculture and Biotechnology Zhejiang University Hangzhou 310027 China

As a component of genes, introns are much more variable than exons. Therefore, introns are an important source of genetic polymorphisms and can be used as genetic markers. By designing PCR primers in the two

关键词：内含子基因多态性分子标记植物

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腕掌部尺神经和正中神经的扩散加权MR神经成像

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国际医学放射学杂志 2017年第4期 490-491页

作者： H.Bao S.Wang G.Wang l.yang M.U.Hasan B.Yao 朱珍 Department of MR Shandong Medical Imaging Research Institute Affiliated to Shandong University Shandong University

摘要目的研究扩散加权MR神经成像(DW-MRN)在显示腕掌部肢体神经中的可行性。方法 32名志愿者和21例病人在3 T MR扫描设备上进行腕掌部成像。2位放射科医生采用四点分级评分来评估所有研究对象的DW-MRN影像质量。对研究者间的效能采用Ka...

摘要目的研究扩散加权MR神经成像(DW-MRN)在显示腕掌部肢体神经中的可行性。方法 32名志愿者和21例病人在3 T MR扫描设备上进行腕掌部成像。2位放射科医生采用四点分级评分来评估所有研究对象的DW-MRN影像质量。对研究者间的效能采用Kappa统计。在志愿者中,采用卡方检验来评估DW-MRN和横断面脂肪抑制质子密度加权

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Anomalous quality factor evolution of induced transparency in a virtualized coupled-oscillator system

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Science China(Physics,Mechanics & Astronomy) 2025年第1期68卷 144-151页

作者： Yunhan yang Han Jia Tuo liu Yuzhen yang Jun yang Key laboratory of Noise and Vibration Research Institute of AcousticsChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China State Key laboratory of Acoustics Institute of AcousticsChinese Academy of SciencesBeijing 100190China

The phenomenon of induced transparency,characterized by a high quality(Q)factor,holds significant importance in the fields of high-precision sensing,energy storage and wave *** transparency systems are often constrained by the limited experimentally accessible parameter space and the lack of independent control over intrinsic parameters,thereby hindering advanced research on high-Q *** we propose a virtualized coupled-oscillator system that enables reconfigurable induced transparency in the reflection *** virtually incorporating a pair of coupled oscillators into an individual acoustic meta-atom,we achieve the manipulation of induced transparency in a decoupled,wide-ranging,and elaborate *** the diverse evolutions across the intrinsic parameter space,we show experimentally a counter-intuitive increase in the Q-factor of the transparency window,which is attributed to the enhanced dissipation of the bright ***,a constant group delay at the center frequency is observed accompanying this *** work demonstrates an intriguing platform as well as a novel strategy to engineer high-Q induced transparency phenomenon,and paves the way towards applications in programmable acoustic sensors,filters and slow-wave devices.

关键词： induced transparency acoustic meta-atom high quality-factor scattering programmable intrinsic parameter

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Rapid detection of colored and colorless macroand micro-plastics in complex environment via near-infrared spectroscopy and machine learning

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Journal of Environmental Sciences 2025年第1期147卷 512-522页

作者： Hui-Huang Zou Pin-Jing He Wei Peng Dong-Ying lan Hao-yang Xian Fan lü Hua Zhang Institute of Waste Treatment&Reclamation College of Environmental Science and EngineeringTongji UniversityShanghai 200092China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092China

To better understand the migration behavior of plastic fragments in the environment,development of rapid non-destructive methods for in-situ identification and characterization of plastic fragments is ***,most of the studies had focused only on colored plastic fragments,ignoring colorless plastic fragments and the effects of different environmental media(backgrounds),thus underestimating their *** address this issue,the present study used near-infrared spectroscopy to compare the identification of colored and colorless plastic fragments based on partial least squares-discriminant analysis(PlS-DA),extreme gradient boost,support vector machine and random forest *** effects of polymer color,type,thickness,and background on the plastic fragments classification were ***-DA presented the best and most stable outcome,with higher robustness and lower misclassification *** models frequently misinterpreted colorless plastic fragments and its background when the fragment thickness was less than 0.1mm.A two-stage modeling method,which first distinguishes the plastic types and then identifies colorless plastic fragments that had been misclassified as background,was *** method presented an accuracy higher than 99%in different *** summary,this study developed a novel method for rapid and synchronous identification of colored and colorless plastic fragments under complex environmental backgrounds.

关键词： Colorless microplastics Near-infrared hyperspectral imaging Plastic identification Partial least squares discriminant analysis Machine learning

高空间分辨力双能量X线吸收骨密度仪的自由兴趣区数据分析

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国际医学放射学杂志 2015年第2期 181-182页

作者： R.M.Morris l.yang M.A.Martín-Fernández J.M.Pozo A.F.Frangi J.M.Wilkinson 赵芳 Academic Unit of Bone Metabolism University of Sheffield Northern General Hospital Beech Hill Road Sheffield S102RXEngland

摘要目的概述双能量骨密度吸收(DXA)自由兴趣区分析技术的进展,定量分析其精确性,评估其在全髋关节置换术12个月后对纵向股骨假体骨密度(BMD)定量分析方面

关键词：兴趣区 DXA 空间分辨力空间分辨率 BMD 双能量