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Performance of Sexually Transmitted Disease Laboratories for Neisseria gonorrhoeae Detection in Southern China From 2020 Through 2022

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Infectious Microbes & Diseases 2024年第4期6卷 197-202页

作者： Xiao-Lin Qin Yang Chen Hua-Long-Yue Du Wen-Tao Chen Xiao-Na yin Han Zhou Zi-Yan Zhang Xing-Zhong Wu Yao-Hua Xue yin-yuan lan San-Mei Tang Jin-Mei Huang He-Ping Zheng Clinical Laboratory Dermatology HospitalSouthern Medical UniversityGuangzhouChina Guangdong Provincial Center for Skin Diseases and STD Control GuangzhouChina Guangzhou Key Laboratory for Sexually Transmitted Disease Control GuangzhouChina Southern Medical University GuangzhouChina.

The rising incidence of gonorrhea presents a global public health challenge,emphasizing the importance of accurate Neisseria gonorrhoeae detection for effective diagnosis,treatment and *** study assessed the performance of sexually transmitted disease laboratories for *** detection in Guangdong,southern China.A questionnaire about *** detection and external quality assessments(EQAs)with five samples for culture and five for nucleic acid amplification tests(NAATs)were conducted annually from 2020 through *** questionnaire was responded to by 1047 laboratories,with the results showing that Gram staining and culture were most commonly used by 44.3%and 40.4%of the laboratories,respectively,whereas NAATs were adopted by only 11.7%.The number of clinical samples tested for *** increased from 536,369 in 363 laboratories in 2020 to 1,093,147 in 582 laboratories in 2022(P>0.05),with an overall male-to-female testing ratio of 1:3.4 and a positive ratio of 3.6:*** EQA results revealed a concordance rate of 90.8%for gonococcal culture and 93.1%for *** demonstrated a decreasing detection rate(from 100.0%to 84.5%)with reducing gonococcal DNA copies and 89.0%specificity with the interference-negative *** overall concordance rates of four widely used commercial NAAT kits ranged from 95.7%to 88.5%.Gram staining and culture were widely used to detect *** in *** has long been recognized as a highly sensitive and specific method for detecting gonorrhea and should be more widely implemented in China.

关键词： Neisseria gonorrhoeae external quality assessment nucleic acid amplification test culture identification Gram staining

Dynamic Regulation of Hydrogen Bonding Networks and Solvation Structures for Synergistic Solar‑Thermal Desalination of Seawater and Catalytic Degradation of Organic Pollutants

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Nano-Micro Letters 2025年第2期17卷 548-565页

作者： Ming‑yuan Yu Jing Wu Guang yin Fan‑Zhen Jiao Zhong‑Zhen Yu Jin Qu Beijing Key Laboratory of Advanced Functional Polymer Composites Beijing University of Chemical TechnologyBeijing 100029People’s Republic of China State Key Laboratory of Organic‑Inorganic Composites College of Materials Science and EngineeringBeijing University of Chemical TechnologyBeijing 100029People’s Republic of China

Although solar steam generation strategy is efficient in desalinating seawater,it is still challenging to achieve continuous solar-thermal desalination of seawater and catalytic degradation of organic ***,dynamic regulations of hydrogen bonding networks and solvation structures are realized by designing an asymmetric bilayer membrane consisting of a bacterial cellulose/carbon nanotube/Co_(2)(OH)_(2)CO_(3)nanorod top layer and a bacterial cellulose/Co_(2)(OH)_(2)CO_(3)nanorod(BCH)bottom ***,the hydrogen bonding networks inside the membrane can be tuned by the rich surface–OH groups of the bacterial cellulose and Co_(2)(OH)_(2)CO_(3)as well as the ions and radicals in situ generated during the catalysis ***,both SO_(4)^(2−)and HSO_(5)−can regulate the solvation structure of Na^(+)and be adsorbed more preferentially on the evaporation surface than Cl^(−),thus hindering the de-solvation of the solvated Na^(+)and subsequent nucleation/growth of ***,the heat generated by the solar-thermal energy conversion can accelerate the reaction kinetics and enhance the catalytic degradation *** work provides a flow-bed water purification system with an asymmetric solar-thermal and catalytic membrane for synergistic solar thermal desalination of seawater/brine and catalytic degradation of organic pollutants.

关键词： Solar steam generation Seawater desalination Catalytic degradation Bacterial cellulose Cobalt hydroxycarbonate nanorods

Multiple Tin Compounds Modified Carbon Fibers to Construct Heterogeneous Interfaces for Corrosion Prevention and Electromagnetic Wave Absorption

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Nano-Micro Letters 2025年第1期17卷 507-527页

作者： Zhiqiang Guo Di lan Zirui Jia Zhenguo Gao Xuetao Shi Mukun He Hua Guo Guanglei Wu Pengfei yin College of Science Sichuan Agricultural UniversityYa’an 625014People’s Republic of China School of Materials Science and Engineering Hubei University of Automotive TechnologyShiyan 442002People’s Republic of China Institute of Materials for Energy and Environment State Key Laboratory of Bio‑Fibers and Eco‑TextilesCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071People’s Republic of China Shaanxi Key Laboratory of Macromolecular Science and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi’anShaanxi 710072People’s Republic of China

Currently,the demand for electromagnetic wave(EMW)absorbing materials with specific functions and capable of withstanding harsh environments is becoming increasingly ***-component interface engineering is considered an effective means to achieve high-efficiency EMW ***,interface modulation engineering has not been fully discussed and has great potential in the field of EMW *** this study,multi-component tin compound fiber composites based on carbon fiber(CF)substrate were prepared by electrospinning,hydrothermal synthesis,and high-temperature thermal *** utilizing the different properties of different substances,rich heterogeneous interfaces are *** effectively promotes charge transfer and enhances interfacial polarization and conduction *** prepared SnS/SnS_(2)/SnO_(2)/CF composites with abundant heterogeneous interfaces have and exhibit excellent EMW absorption properties at a loading of 50 wt%in epoxy *** minimum reflection loss(RL)is−46.74 dB and the maximum effective absorption bandwidth is 5.28 ***,SnS/SnS_(2)/SnO_(2)/CF epoxy composite coatings exhibited long-term corrosion resistance on Q235 steel ***,this study provides an effective strategy for the design of high-efficiency EMW absorbing materials in complex and harsh environments.

关键词： Electrostatic spinning Component regulation Heterogeneous interfaces Electromagnetic wave absorption Corrosion protection

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基于三维数值模拟的风力灭火机叶轮改进设计

林业机械与木工设备 2008年第9期36卷 30-33页

作者：宋海民肖琰袁银兰江苏林海集团公司江苏泰州225300

风力灭火机的主要技术指标是出口全压与风量。其叶片形状是影响风机蜗壳内部流场结构、风机出口全压与流速的重要因素。通过对林海集团公司现有6MF-28风力灭火机内部流场的全压场与速度场进行三维数值模拟分析,对叶片形状进行了改进设... 详细信息

风力灭火机的主要技术指标是出口全压与风量。其叶片形状是影响风机蜗壳内部流场结构、风机出口全压与流速的重要因素。通过对林海集团公司现有6MF-28风力灭火机内部流场的全压场与速度场进行三维数值模拟分析,对叶片形状进行了改进设计。数值分析表明,叶轮叶片改进后蜗壳内部流场得到明显改善,风机全压、出口速度及全压功率分别提高7%、3%和11%。

关键词：数值模拟风力灭火机全压叶轮

Fatou Components and Julia Sets of Singularly Perturbed Rational Maps with Positive Parameter

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Acta Mathematica Sinica,English Series 2012年第10期28卷 1937-1954页

作者： Wei yuan QIU lan XIE Yong Cheng yin School of Mathematical Sciences Fudan University

In this paper, we discuss the rational maps Fλ（z）=z^n＋λ/z^n,n≥2with the positive real parameter ）λ. It is shown that the immediately attracting basin Bλ of ∞ for Fλ is always a Jordan domain if the Julia set of Fλ is not a Cantor set. Fuhermore, Bλ is a quasidisk if there is no parabolic fixed point on the boundary of Bλ. It is also shown that if the Julia set of Fλ is connected, then it is locally connected and all Fatou components are Jordan domains. Finally, a complete description to the problem when the Julia set is a Sierpirlski curve is given.

关键词： Julia set Fatou component Jordan domain local connectivity Sierpifiski curve

Molecule‑Level Multiscale Design of Nonflammable Gel Polymer Electrolyte to Build Stable SEI/CEI for Lithium Metal Battery

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Nano-Micro Letters 2025年第1期17卷 404-423页

作者： Qiqi Sun Zelong Gong Tao Zhang Jiafeng Li Xianli Zhu Ruixiao Zhu Lingxu Wang Leyuan Ma Xuehui Li Miaofa yuan Zhiwei Zhang Luyuan Zhang Zhao Qian Longwei yin Rajeev Ahuja Chengxiang Wang Key Laboratory for Liquid‑Solid Structural Evolution and Processing of Materials(Ministry of Education) School of Materials Science and EngineeringShandong UniversityJinan 250061People’s Republic of China Condensed Matter Theory Department of Physics and AstronomyUppsala UniversityUppsala 75120Sweden

The risk of flammability is an unavoidable issue for gel polymer electrolytes(GPEs).Usually,flameretardant solvents are necessary to be used,but most of them would react with anode/cathode easily and cause serious interfacial instability,which is a big challenge for design and application of nonflammable ***,a nonflammable GPE(SGPE)is developed by in situ polymerizing trifluoroethyl methacrylate(TFMA)monomers with flame-retardant triethyl phosphate(TEP)solvents and LiTFSI–LiDFOB dual lithium *** is strongly anchored to PTFMA matrix via polarity interaction between-P=O and-CH_(2)CF_(3).It reduces free TEP molecules,which obviously mitigates interfacial reactions,and enhances flame-retardant performance of TEP *** TEP molecules are also inhibited in solvation of Li^(+),leading to anion-dominated solvation sheath,which creates inorganic-rich solid electrolyte interface/cathode electrolyte interface *** coordination structure changes Li^(+)transport from sluggish vehicular to fast structural transport,raising ionic conductivity to 1.03 mS cm^(-1) and transfer number to 0.41 at 30℃.The Li|SGPE|Li cell presents highly reversible Li stripping/plating performance for over 1000 h at 0.1 mA cm^(−2),and 4.2 V LiCoO_(2)|SGPE|Li battery delivers high average specific capacity>120 mAh g^(−1) over 200 *** study paves a new way to make nonflammable GPE that is compatible with Li metal anode.

关键词： Anchoring effect Nonflammable gel electrolyte In situ cross-linked Electrode-electrolyte interface Li metal battery

Massic Heat Capacities of Ammonium Penta-and Tetra-molybdates

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Journal of Central South University 2000年第4期12卷 216-218页

作者： yin Zhou-lan CHEN Qi-yuan ZHANG Ping-min YUE Wei College of Chemistry and Chemical Engineering Central South UniversityChangsha 410083China

Single phases of ammonium penta and tetra molybdates were prepared. The massic heat capacities at normal pre ssure below their decomposition temperatures were measured by drop method. The relationships of the massic heat capacities of ammonium molybdates with those of the decomposition products were also discussed. The results show that the massic heat capacities of ammonium molybdates can be estimated by adding together contributions from their decomposition products, and the less change of chemical bonds, the more accurate of the estimation.

关键词： massic heat capacity ammonium pentamolybdate ammonium tetramolybdate drop method

Phonon Stability of Quantum Droplets in Dipolar Bose Gases

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Chinese Physics Letters 2022年第6期39卷 52-57页

作者： Fan Zhang lan yin School of Physics Peking UniversityBeijing 100871China

Stabilized by quantum fluctuations,dipolar Bose–Einstein condensates can form self-bound liquid-like *** in the Bogoliubov theory,there are imaginary phonon energies in the long-wavelength limit,implying dynamical instability of this system.A similar instability appears in the Bogoliubov theory of a binary quantum droplet,and is removed due to higher-order quantum fluctuations as shown recently[Gu Q and yin L 2020 ***.B 102220503(R)].We study the excitation energy of a dipolar quantum droplet in the Beliaev formalism,and find that quantum fluctuations significantly enhance the phonon *** adopt a self-consistent approach without the problem of complex excitation energy in the Bogoliubov theory,and obtain a stable anisotropic sound velocity which is consistent with the superfluid hydrodynamic theory,but slightly different from the result of the extended Gross–Pitaevskii equation due to quantum depletion.A modified Gross–Pitaevskii equation in agreement with the Beliaev theory is proposed,which takes the effect of quantum fluctuations into account more completely.

关键词： stability quantum excitation

Li-rich layered oxides:Structure,capacity and voltage fading mechanisms and solving strategies

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Particuology 2022年第2期20卷 1-10页

作者： yin Xie Yongcheng Jin lan Xiang Department of Chemical Engineering Tsinghua UniversityBeijing 100084China School of Materials Science and Engineering Ocean University of ChinaQingdao 266100China Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of SciencesQingdao 266101China

Lithium rich layered oxides(LLOs)are attractive cathode materials for Li-ion batteries owing to their high capacity(>250 mA h g^(-1))and suitable voltage(∼3.6 V).However,they suffer from serious voltage and capacity fading,which is focused in this ***,an overview of crystal structure,band structure and electrochemical performances of LLOs is *** that,current understanding on oxygen loss,capacity fading and voltage fading is ***,five strategies to mitigate capacity and voltage fading are *** is believed that these understandings can help solve the fading problems of LLOs.

关键词： Lithium rich layered oxides Redox mechanisms Capacity fading Voltage fading Solving strategies Introduction