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Unified Bandwidth Scheduling in Centralized Fixed Access Network(C-FAN)

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China Communications 2025年第1期22卷 196-215页

作者： Li Jun Lu Xiang wang Xiang chang Tianghai Sanjay Kumar Bose Shen Gangxiang School of Electronic and Information Engineering Soochow UniversitySuzhou 215031China Plaksha University Mohali 140306India Optical Research Dept Huawei TechnologiesShenzhen 518129China

Time Division Multiplexing-Passive Optical Networks(TDM-PONs)play a vital role in Fiberto-the-Home(FTTH)*** improve the service quality of home networks,FTTH is expanding to the Fiber-to-the-Room(FTTR)scenario,where fibers are deployed to connect individual rooms(i.e.,Fiber In-premises Network(FIN)in the ITU-T G.9940 standard).In this scenario,a point-to-multipoint(P2MP)fiber network is deployed as FTTR FIN to offer gigabit access to each room,which forms a two-tier cascaded network together with the FTTH *** optimize the capacity utilization of the cascaded network and reduce the overall system cost,a centralized architecture,known as Centralized Fixed Access Network(C-FAN),has been introduced.C-FAN centralizes the medium access control(MAC)modules of both the FTTH and FTTR networks at the FTTH’s Optical Line Terminal(OLT)for unified control and management of the cascaded *** develop a unified bandwidth scheduling protocol by extending the ITU-T PON standard for both the upstream and downstream directions of *** also propose a unified dynamic bandwidth allocation(UDBA)algorithm for efficient bandwidth allocation for multiple traffic flows in the two-tier cascaded *** are conducted to evaluate the performance of the proposed control protocol and the UDBA *** results show that,in comparison to the conventional DBA algorithm,the UDBA algorithm can utilize upstream bandwidth more efficiently to reduce packet delay and loss,without adversely impacting downstream transmission performance.

关键词： architecture dynamic bandwidth allocation FTTH FTTR PON

Research on the Relationship between Government R&D Subsidies of Different Sub-industries in China’s Pharmaceutical Industry and Enterprises’R&D Investment

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Asian Journal of Social Pharmacy 2025年第1期20卷 47-56页

作者： wang Xinke chang Senhao Chen Yuwen School of Business Administration Shenyang Pharmaceutical UniversityShenyang 110016China Research Institute of Drug Regulatory Science Shenyang Pharmaceutical UniversityShenyang 110016China

Objective To empirically analyze the relationship between Government R&D funding and R&D investment of the enterprises in different sub industries of pharmaceutical industry,and to provide reference for the development of policies related to R&D funding *** Granger causality test was performed using the data of relevant indicators in different sub industries of China’s pharmaceutical industry from 1995 to 2019 based on the theory of *** and Conclusion The funding of R&D from the government had a significant positive effect on their R&D funding inputs to enterprises with chemo products,Chinese patent products,and biological *** means the improvement of government funding was beneficial in promoting the R&D investment from various sub industries of pharmaceutical *** order of this influence was biological products,chemo products,and Chinese patent *** to chemical drugs and biological products,the government’s R&D funding and enterprises R&D funding input showed a good trend of mutual promotion in a certain lag *** government can fully leverage its funding to promote the investment of all sub industries of pharmaceutical ***,regulatory mechanisms should be refined for government *** the inheritance,innovation,and development of traditional Chinese medicine,the government should give more policy support than financial support.

关键词： pharmaceutical industry government R&D subsidies enterprise’s R&D investment cointegration theory

Dual modulation of homogeneous nanomaterialization and electrochemical activation enhancing zinc ion storage

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Science China Chemistry 2025年第1期68卷 385-393页

作者： Jianwei wang Huan wang Kangning wang Wenhui wang Wenlin Zhang Yanzhong Zhen School of Chemistry&Chemical Engineering Yan’an UniversityYan’an 716000China

Vanadium-based electrode materials are widely investigated,but the low specific capacity and slow electrochemical kinetics in aqueous zinc-ion batteries still limit their commercial ***,the VS_(2)/Ca V_(4)O_(9)material with the morphology of nanoflower was synthesized by a one-step hydrothermal *** to the blocky structure of pure VS_(2)material,the VS_(2)/Ca V_(4)O_(9)material is composed of thinner homogeneous *** open structures could provide abundant electrochemical active sites and ion transport channels,and then promote the electrochemical reaction *** addition,they can also buffer the bulk strain during the reaction *** improve the utilization of vanadium elements,an in-situ electrochemical activation strategy is used to explore the storage performance of the VS_(2)/Ca V_(4)O_(9)material,the different activation voltage range of 0.4–1.6 and 0.4–1.4 V are selected,*** with the longer activation plateau of activated-VS_(2),the VS_(2)/Ca V_(4)O_(9)cathode could quickly reach the activation state in the range of 1.4–1.6 V and cause the release of additional Zn storage sites *** VS_(2)/Ca V_(4)O_(9)cathode delivers a higher power density of 37,000 W kg^(-1)and a significant energy density of 423 Wh kg^(-1).At the high current density of 15 A g^(-1),the VS_(2)/Ca V_(4)O_(9)cathode still has a discharge capacity of 183.9m Ah g^(-1)after 5,000 cycles,and the capacity decay rate per cycle is only 0.0042%.Continuous cyclic voltammetry(CV)curves,electrochemical impedance spectroscopy(EIS)measurements,density functional theory(DFT)calculation and galvanostatic intermittent titration technique(GITT)measurements demonstrate that the VS_(2)/Ca V_(4)O_(9)cathode has a faster ion diffusion/charge transfer ***,the assembled flexible device has an excellent mechanical stability.

关键词： dual modulation homogeneous nanomaterialization electrochemical activation zinc ion storage

TavWA1 is critical for wheat growth by modulating cell morphology and arrangement

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Journal of Integrative Plant Biology 2025年第1期67卷 71-86页

作者： Guowei chang Yue Li lei Peng Chuncai Shen Yipeng Lu Wan Teng Yangyang Liu Yingchun wang Weiqi Zhu Cuimin Liu Xue He Yiping Tong Xueqiang Zhao Key Laboratory of Seed Innovation Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China State Key Laboratory of Molecular Developmental Biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Zhaoxian Experiment Station Shijiazhuang Academy of Agricultural and Forestry SciencesZhaoxian 515300China

Plant growth is determined by the production of cells and initiation of new *** genes that control cell number and cell size is of great significance for understanding plant growth *** this study,we characterized two wheat mutants,ah and dl,with abnormal *** ah mutant is a naturally occurring variant characterized by severe dwarfism,increased tiller number,and reduced grain length,while the dl mutant is derived from an ethyl methane sulfonate(EMS)-mutagenized population and exhibits smaller grain size and slightly reduced plant *** analyses revealed abnormal cell number,cell morphology and arrangement in the stems and leaves of the ah mutant,along with reduced cell length in the grains of the dl ***-based cloning identified that both mutants carry mutations in the same gene TavWA1-7D,which encodes a protein with a von Willebrand factor A(vWA)*** ah mutant harbors a 174-bp insertion in the 1,402-bp coding sequence(CDS)of TavWA1-7D,causing premature termination of protein translation,while the dl mutant contains a Glu420Lys *** the TavWA1-7D ahthrough clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated nuclease 9-mediated genome editing leads to a severe dwarfism *** C-terminus of the protein is crucial for its correct subcellular localization and interaction,supporting its critical role for TavWA1-7D *** analysis showed that the dwarf phenotype of the ah mutant is associated with impaired photosynthesis,ribosome function,and nucleosome ***,TavWA1-7D interacts with an E3 ligase,Ta VIP1-3B,the expression levels of which are elevated in both *** and knockout studies of TaVIP1-3B demonstrated its negative regulatory role in cell length and grain ***,our findings suggest that TavWA1-7D plays a vital role in regulating wheat growth and yield-related traits,with the dl mutant's short grain phen

关键词： grain size severe dwarf TaVIP1 TavWA1 wheat

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一种移除所有皇冠的扩展NT算法

计算机科学 2007年第10期34卷 173-176页

作者：常乐王建新陈建二中南大学信息科学与工程学院中南大学信息科学与工程学院长沙 410083

皇冠分解和NT算法长久以来被认V1为是在参数化点覆盖的求核问题中有着广泛应用的两种相互独立的方法。NT算法将给定的图分成V0,V1和V1/2三部分,将V0和V1移除从而完成图的分解。而皇冠分解则是找到尽可能多的皇冠结构,删除这些皇冠以降... 详细信息

皇冠分解和NT算法长久以来被认V1为是在参数化点覆盖的求核问题中有着广泛应用的两种相互独立的方法。NT算法将给定的图分成V0,V1和V1/2三部分,将V0和V1移除从而完成图的分解。而皇冠分解则是找到尽可能多的皇冠结构,删除这些皇冠以降低图规模。最近的研究结果表明NT算法和皇冠分解存在很强的内在联系:NT算法中的V0,V1部分正好构成一个皇冠结构。本文进一步研究了皇冠分解和NT算法的内在联系,提出了严格皇冠和非严格皇冠的概念,提出了一般图中存在皇冠的判定定理,证明了NT算法可以移除一般图中存在的所有严格皇冠。论文还提出了一种扩展NT算法,能够移除图中的所有严格和非严格皇冠,即证明了用扩展NT算法处理过的图中将不会存在任何皇冠结构。

关键词：点覆盖参数计算核心化算法皇冠分解 NT算法

The Dynamics of a Stochastic SEITR Model for Tuberculosis with Incomplete Treatment

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Acta Mathematicae Applicatae Sinica 2025年第1期41卷 99-113页

作者： Xiao-dong wang Kai wang Department of Medical Engineering and Technology Xinjiang Medical UniversityUrumqiXinjiang 830017China

In this paper,a stochastic SEITR model is formulated to describe the transmission dynamics of tuberculosis with incompletely *** conditions for the existence of a stationary distribution and extinction are *** addition,numerical simulations are given to illustrate these analytical *** and numerical results show that large environmental perturbations can inhibit the spread of tuberculosis.

关键词： tuberculosis stationary distribution extinction

CeO2@MnO2 with strong Ce-Mn interaction activating PDS to promote in situ degradation of adsorbed tetracycline

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Journal of Rare Earths 2025年第03期 490-499页

作者： Jinhui Zhang Jiawei Sun Xinfeng Zhu Jingquan Liu Linlin chang Guofeng Li Rongfu Peng Junning wang Libin Jiang Kai wang Shiqiang Yin Xueping Liu Chaohai wang Henan Key Laboratory of Water Pollution Control and Rehabilitation Technology School of Municipal and Environmental EngineeringHenan University of Urban Construction National Engineering Laboratory for VOCs Pollution Control Technology and Equipment School of Light Industry&Chemical Engineering Dalian Polytechnic University

A series of CeO2@MnO2composites was prepared by deposition-precipitation *** materials were used to activate sodium persulfate（PDS） for the oxidation of *** is found that the composites,especially the CeO2@MnO2-1:4 composites,exhibit better tetracycline removal rates than the pure components.X-ray diffraction（XRD）,Raman and scanning electron microscopy（SEM） analyses all indicate that the composite has been successfully prepared with high purity and high *** XPS analysis shows that the strong interaction between the components promotes the electron ***,the kinetic rate constants of CeO2@MnO2-1:4 after 60 min are 3.8 and 12.7 times higher than pure CeO2and MnO2,***2@MnO2-1:4 composite also exhibits excellent catalytic activity for individual and hybrid *** effects of wastewater matrix,pH,circulation and ion stre ngth on the degradation of tetracycline were *** is found that CeO2@MnO2-1:4 composite has good practical application ***2@MnO2composites with synergistic adsorption catalysis can activate PDS and peroxymo no sulfate（PMS） for efficient organic catalytic *** paper provides the theoretical basis and data support for the practical application of the CeO2@MnO2composite materials.

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Co-doped cryptomelane-type manganese oxide in situ grown on a nickel foam substrate for high humidity ozone decomposition

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Journal of Environmental Sciences 2025年第2期148卷 529-540页

作者： Haoyuan Liang Xu wang Hui wang Zhenping Qu Key Laboratory of Industrial Ecology and Environmental Engineering School of Environmental Science and TechnologyDalian University of TechnologyDalian 116024China

Monolithic catalysts with excellent O_(3)catalytic decomposition performance were prepared by in situ loading of Co-doped KMn_(8)O_(16)on the surface of nickel *** triple-layer structure with Co-doped KMn_(8)O_(16)/Ni6MnO_(8)/Ni foam was grown spontaneously on the surface of nickel foam by tuning the molar ratio of KMnO_(4)to Co(NO_(3))_(2)·6H_(2)O ***,the formed Ni6MnO_(8)structure between KMn_(8)O_(16)and nickel foam during in situ synthesis process effectively protected nickel foam from further etching,which significantly enhanced the reaction stability of *** optimum amount of Co doping in KMn_(8)O_(16)was available when the molar ratio of Mn to Co species in the precursor solution was 2:*** the Mn2Co1 catalyst had abundant oxygen vacancies and excellent hydrophobicity,thus creating outstanding O_(3)decomposition *** O_(3)conversion under dry conditions and relative humidity of 65%,90%over a period of 5 hr was 100%,94%and 80%with the space velocity of 28,000 hr^(−1),*** in situ constructed Co-doped KMn_(8)O_(16)/Ni foam catalyst showed the advantages of low price and gradual applicability of the preparation process,which provided an opportunity for the design of monolithic catalyst for O_(3)catalytic decomposition.

关键词： Co-doped cryptomelane-type manganese O3 decomposition High humidity Nickel foam Monolithic catalyst

Correlations of three scoring systems with the prognosis of patients with liver cirrhosis complicated with sepsis syndrome

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World Journal of Gastrointestinal Surgery 2025年第3期17卷 150-160页

作者： Li-Nan Liu Yu-Fei chang Hui wang Department of Emergency Beijing Ditan Hospital Capital Medical UniversityBeijing 100102China

BACKGROUND Severe symptoms associated with sepsis syndrome(SS)are considered a severe threat,which not only increases therapeutic difficulty but also causes a prognostic mortality ***,at present,few related studies focused on the application of different score scales for disease and prognosis assessment in liver cirrhosis(LC)complicated with *** To determine the correlations of the model for end-stage liver disease(MELD),sequential organ failure assessment(SOFA),and modified early warning score(MEWS)points with the prognosis of patients with LC complicated with *** This retrospective analysis included 426 LC cases from February 2019 to April *** them,225 cases that were complicated with SS were assigned to the LC+SS group,and 201 simple LC cases were included in the LC *** differences in MELD,SOFA,and MEWS scores were compared,as well as their diagnostic value for LC+*** correlations of the three scores with the progno-sis of patients with LC+SS were further analyzed,as well as the related risk factors affecting patients’outcomes,after the follow-up *** MELD,SOFA,and MEWS scores were all higher in the LC+SS group vs the LC group,and their combined assessment for LC+SS revealed a diagnostic sensi-tivity and a specificity of 89.66%and 90.84%,respectively(Ple prognosis guarantee for patients with LC+***,their assessment effects remain limited,which is worthy of further investigation by more in-depth and rigorous experimental a

关键词： Model for end-stage liver disease Sequential organ failure assessment Modified early warning score Cirrhosis Sepsis syndrome