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Skew Derivations with Power Central Values on Commutators

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Algebra Colloquium 2015年第3期22卷 479-494页

作者： hung-Yuan chen Department of Mathematics National Changhua University of Education Changhua City 500 Taiwan

Let R be a prime ring with center Z, 5 ： R → R a nonzero skew derivation, and n a fixed positive integer. In this paper, we show that R is a commutative ring if （i） [（δ（[x, y]）, [x, y]]n = 0 for all x, y ∈ R ... 详细信息

关键词： automorphism prime ring Martindale quotient ring skew derivation Minner

妖物與特務:明代成化朝的訊息掌控與政治操作

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文史 2024年第1期 188-223页

作者：王鴻泰 “中央研究院”歷史語言研究所

本文探討訊息傳播與政治操作之間的密切關係,考察其所牽涉之不同層面與内容。一般認爲,明朝特務政治乃受寵宦官藉以整肅異己之惡政。然而,這一情報系統如何在政治場域生根、發展與發揮作用,以及如何因應現實而調整,則多不甚了了。今由... 详细信息

本文探討訊息傳播與政治操作之間的密切關係,考察其所牽涉之不同層面與内容。一般認爲,明朝特務政治乃受寵宦官藉以整肅異己之惡政。然而,這一情報系統如何在政治場域生根、發展與發揮作用,以及如何因應現實而調整,則多不甚了了。今由訊息掌控角度切入,考察情報與政治之關係。明朝自正統以來,政治情勢與訊息掌控關係密切,尤其成化朝之後,訊息的流動與掌控異常敏感,直接牽動政局。皇帝委任親信建立情報偵察系統,並刻意强化對訊息流通的控制;而儒臣群體則傾向於傳播訊息,公開討論,藉以製造輿論。訊息的傳播與控制成爲不同權位者角力、鬥争的攻防要地,甚至可以説政治操作的重要戰場就在訊息的掌控上。自此政治操作愈發複雜,除了表面的政見闡述與職權分配外,訊息掌控更屬要義。在政治場合中,訊息的搜集、利用、詮釋,乃至編造,已成爲重要的政治技藝。

关键词：妖言廠衞黑眚汪直

Distinct molecular targets of ProEGCG from EGCG and superior inhibition of angiogenesis signaling pathways for treatment of endometriosis

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Journal of Pharmaceutical Analysis 2024年第1期14卷 100-114页

作者： Sze Wan hung Massimiliano Gaetani Yiran Li Zhouyurong Tan Xu Zheng Ruizhe Zhang Yang Ding Gene Chi Wai Man Tao Zhang Yi Song Yao Wang Jacqueline Pui Wah Chung Tak Hang Chan Roman A.Zubarev Chi Chiu Wang Department of Obstetrics&Gynaecology The Chinese University of Hong KongHong KongChina Division of Physiological Chemistry I Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSE 17177Sweden Chemical Proteomics Core Facility Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSE 17177Sweden Unit of Chemical Proteomics Science for Life Laboratory(SciLifeLab)StockholmSE 17177Sweden Center for Reproductive Medicine Henan Key Laboratory of Reproduction and GeneticsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou450003China Department of Chemistry McGill UniversityMontrealH3A2K6Canada Department of Pharmacological&Technological Chemistry I.M.Sechenov First Moscow State Medical UniversityMoscow119146Russia Reproduction and Development Li Ka Shing Institute of Health SciencesThe Chinese University of Hong KongHong KongChina School of Biomedical Sciences The Chinese University of Hong KongHong KongChina Chinese University of Hong Kong-Sichuan University Joint Laboratory in Reproductive Medicine The Chinese University of Hong KongHong KongChina

Endometriosis is a common chronic gynecological disease with endometrial cell implantation outside the *** is a major pathophysiology in *** previous studies have demonstrated that the prodrug of epigallocatechin gallate(ProEGCG)exhibits superior anti-endometriotic and anti-angiogenic effects compared to epigallocatechin gallate(EGCG).However,their direct binding targets and underlying mechanisms for the differential effects remain *** this study,we demonstrated that oral ProEGCG can be effective in preventing and treating ***,1D and 2D Proteome Integral Solubility Alteration assay-based chemical proteomics identified metadherin(MTDH)and PX domain containing serine/threonine kinase-like(PXK)as novel binding targets of EGCG and ProEGCG,*** simulation and BioLayer interferometry were used to confirm their binding *** results showed that MTDH-EGCG inhibited protein kinase B(Akt)-mediated angiogenesis,while PXK-ProEGCG inhibited epidermal growth factor(EGF)-mediated angiogenesis via the EGF/hypoxia-inducible factor(HIF-1a)/vascular endothelial growth factor(VEGF)*** vitro and in vivo knockdown assays and microvascular network imaging further confirmed the involvement of these signaling ***,our study demonstrated that ProEGCG has superior therapeutic effects than EGCG by targeting distinct signal transduction pathways and may act as a novel antiangiogenic therapy for endometriosis.

关键词： Molecular targets ProEGCG EGCG Angiogenesis Treatment Endometriosis

Prophylactic treatment of Lacticaseibacillus paracasei K56 ameliorates asthma by regulating short-chain fatty acid production and Treg differentiation

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Food Science and Human Wellness 2024年

作者： Jiaqi Cui Yanfei Hong Wei-Hsien Liu Wen Zhao Xinmei Nan Xuekai Shang Yalan Li Haotian Feng Qiuyue Jiang Weilian hung Guiying Peng Inner Mongolia Yili Industrial Group Co.， Ltd. Department of Immunology and Microbiology， School of Life Sciences， Beijing University of Chinese Medicine

Many studies have shown that the development of allergic asthma is associated with intestinal microbiota dysbiosis. Based on the gut-lung axis theory， probiotic intervention may be a potential strategy for respiratory diseases. Lacticaseibacillus paracasei K56 was reported to regulate gut microbiota in mice. However， its effect on allergic asthma has not been reported. In this study， we investigated the effect of the K56 on ovalbumin-induced asthma and its possible mechanisms. Our results showed that K56 reduced asthma symptoms and inflammatory cell infiltration in the lung of asthmatic mice. And K56 regulated the differentiation of helper T cells in the lung and intestine. Results from 16S rRNA gene sequencing showed that K56 prophylaxis significantly elevated the richness of Akkermansia and Burkholderia. Meanwhile， K56 abrogated the decrease in the levels of short-chain fatty acids (SCFAs) in the feces. In addition， a rebound in the mRNA expression of the SCFA receptors was observed after K56 prophylaxis. Notably， the regulatory T cell (Treg) frequencies and the FFAR3 levels were positively correlated. These results suggest that K56 could attenuate asthma， possibly by modulating the intestinal microbiota and regulating Treg differentiation through SCFA metabolized. Our study showed that K56 may be used as a probiotic to prevent pulmonary inflammation and dysbiosis of the intestinal microbiota in allergic asthma.

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Riding towards a sustainable future:an evaluation of bike sharing’s environmental benefits in Xiamen Island,China

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Geography and Sustainability 2024年第2期5卷 276-288页

作者： Jianxiao Liu Meilian Wang Pengfei chen Chaoxiang Wen Yue Yu KW Chau Department of Real Estate and Construction Faculty of ArchitectureThe University of Hong KongPokfulamHong Kong 999077China Department of Land Surveying and Geo-informatics The Hong Kong Polytechnic UniversityHung HomHong Kong 999077China School of Geospatial Engineering and Science Sun Yat-sen Universityand Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Zhuhai 519082China Department of Urban Planning School of Architecture and Civil EngineeringXiamen UniversityXiamen 550002China Ronald Coase Centre for Property Rights Research HKUrbanLabThe University of Hong KongPokfulamHong Kong 999077China

In the pursuit of sustainable urbanization,Bike-Sharing Services(BSS)emerge as a pivotal instrument for promoting green,low-carbon *** BSS is often commended for its environmental benefits,we offer a more nuanced analysis that elucidates previously neglected *** the Dominant Travel Distance Model(DTDM),we evaluate the potential of BSS to replace other transportation modes for specific journey based on travel *** multiscale geographically weighted regression(MGWR),we illuminate the relationship between BSS’s environmental benefits and built-environment *** life cycle analysis(LCA)quantifies greenhouse gas(GHG)emissions from production to operation,providing a deeper understanding of BSS’s environmental ***,our study focuses on Xiamen Island,a Chinese“Type Ⅱ large-sized city”(1–3 million population),contrasting with the predominantly studied“super large-sized cities”(over 10 million population).Our findings highlight:(1)A single BSS trip in Xiamen Island reduces GHG emissions by an average of 19.97 g CO_(2)-eq,accumulating monthly savings of 144.477 t CO_(2)-eq.(2)Areas in the southwest,northeast,and southeast of Xiamen Island,characterized by high population densities,register significant BSS environmental benefits.(3)At a global level,the stepwise regression model identifies five key built environment factors influencing BSS’s GHG mitigation.(4)Regionally,MGWR enhances model precision,indicating that these five factors function at diverse spatial scales,affecting BSS’s environmental benefits variably.

关键词： Greenhouse gases Shared mobility Carbon emission Multiscale geographically weighted regression Travel behavior Urban mobility

Numerical characteristics of the full operator hybrid simulation method

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Earthquake Engineering and Engineering Vibration 2011年第3期10卷 453-463页

作者： Chung-Chan hung Yong-Song chen Department of Civil Engineering Central University （NCU） Chinese Taipei Department of Mechanical Engineering Chung Cheng University （NCCU） Chinese Taipei

The full operator method （FOM） has been proposed to overcome some of the shortcomings of the commonly used operator splitting method （OSM）. In particular, the FOM is improved by increasing the accuracy of both the predictor and corrector using the estimated tangent stiffness of the tested structure. The numerical characteristics of the FOM, including stability and accuracy, are investigated in this study. It is shown that FOM is conditionally stable. The stability and accuracy characteristics are dependent on the accuracy of the estimated tangent stiffness and the parameters associated with the acceleration variation in the time-stepping integration method. Mass-spring systems with different types of nonlinearity, including hardening, stiffening, and softening behavior, are used to evaluate the performance of the FOM. It is found that the FOM can capture these types of nonlinearity with satisfactory accuracy. Using a prototype 12-story composite coupled wall system, the influences of the strong nonlinearity of the system as well as the displacement control errors from hydraulic actuators on the performance of the FOM are explored. The results show that the FOM is capable of generating reasonably accurate results despite the presence of strong structural nonlinearity and displacement control errors.

关键词： hybrid simulation tangent stiffness numerical characteristic composite coupled wall system collapse behavior nonlinear behavior

Realization of energy-saving glass using photonic crystals

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Frontiers in Energy 2018年第1期12卷 178-184页

作者： Yen-Hsiang chen Li-hung LIAO Yu-Bin chen Department of Mechanical Engineering Cheng Kung University Tainan701 Taiwan China Department of Power Mechanical Engineering TsingHua UniversityHsinchu 300 Taiwan China

This work successfully developed an energy- saving glass with wavelength selectivity. The glass is composed of a SiO2 substrate and two layers of three- dimensional photonic crystals. Each crystal is composed of identical and transparent polystyrene spheres after their self-assembling. The glass then possesses dual photonic band gaps in the near-infrared region to suppress penetration of thermal radiation. Experimental results show that the energy-saving glass decreases temperature increment in a mini-house. Moreover, the temperature after thermal equilibrium is lower than that inside a counterpart using ordinary glass.

关键词： energy-saving glass photonic crystals poly-styrene spheres self-assembly

Image design for normal viewing image-plane disk-type multiplex hologram

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Chinese Optics Letters 2011年第12期9卷 9-11页

作者： Chih-hung chen Yih-Shyang cheng Department of Optics and Photonics National Central University

In this letter, the method of direct object-image relationship in normal-view disk-type multiplex holography is adopted for theoretical analysis. The corresponding parameters in hologram fabrication and reconstruction process for both virtual-image and real-image generation are also introduced through nu- merical simulation and experimental results.

关键词： Computer simulation Multiplexing

Extending the solid solution range of sodium ferric pyrophosphate:Off‐stoichiometric Na_(3)Fe(2.5)(P_(2)O_(7))_(2)as a novel cathode for sodium‐ion batteries

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Carbon Energy 2024年第4期6卷 128-139页

作者： Xiang jun Pu Kunran Yang Zibing Pan Chunhua Song Yangyang Lai Renjie Li Zheng‐Long Xu Zhongxue chen Yuliang Cao Hubei Key Laboratory of Electrochemical Power Sources College of Chemistry and Molecular SciencesWuhan UniversityWuhanChina Key Laboratory of Hydraulic Machinery Transients Ministry of EducationSchool of Power and Mechanical EngineeringWuhan UniversityWuhanChina School of Chemistry and Chemical Engineering Jiangsu University of TechnologyChangzhouJiangsuChina Zonergy Corporation ZigongSichuanChina Department of Industrial and Systems Engineering The Hong Kong Polytechnic UniversityHung HomHong Kong SARChina

Iron‐based pyrophosphates are attractive cathodes for sodium‐ion batteries due to their large framework,cost‐effectiveness,and high energy ***,the understanding of the crystal structure is scarce and only a limited candidates have been reported so *** this work,we found for the first time that a continuous solid solution,Na_(4−α)Fe_(2+α)_(2)(P_(2)O_(7))_(2)(0≤α≤1,could be obtained by mutual substitution of cations at center‐symmetric Na3 and Na4 sites while keeping the crystal building blocks of anionic P_(2)O_(7) *** particular,a novel off‐stoichiometric Na_(3)Fe(2.5)(P_(2)O_(7))_(2)is thus proposed,and its structure,energy storage mechanism,and electrochemical performance are extensively investigated to unveil the structure–function *** as‐prepared off‐stoichiometric electrode delivers appealing performance with a reversible discharge capacity of 83 mAh g^(−1),a working voltage of 2.9 V(***^(+)/Na),the retention of 89.2%of the initial capacity after 500 cycles,and enhanced rate capability of 51 mAh g^(−1)at a current density of 1600 mA g^(−1).This research shows that sodium ferric pyrophosphate could form extended solid solution composition and promising phase is concealed in the range of Na_(4−α)Fe_(2+α)_(2)(P_(2)O_(7))_(2),offering more chances for exploration of new cathode materials for the construction of high‐performance SIBs.

关键词： extending solid‐solution range off‐stoichiometric Na_(3)Fe_(2.5)(P_(2)O_(7))_(2) sodium‐ion batteries structure-function relationship