A novel design method for improving collapse resistances of multi-story steel frames with unequal spans using steel braces

Zheng Tan,Wei-hui Zhong,Bao Meng,Shi-chao Duan,Hong-chen Wang3,Xing-You Yao,Yu-hui Zheng 국제구조공학회 2023 Steel and Composite Structures, An International J Vol.47 No.2

The bearing capacities resisted by the two-bay beams of multi-story planar frames with unequal spans under column removal scenarios differ considerably owing to the asymmetric stress on the left and right beams connected to the failed column and cause the potential for beams with larger span-to-depth ratios to be unable to exert effectively, which is disadvantageous for resisting the vertical load in unequal-span frame structures. To address this problem, the structural measure of adding braces to the weak bays of multi-story unequal-span frames was proposed, with the objective of achieving a coordinated stress state in two-bay beams with unequal spans, thereby improving the collapse resistance of unequal-span frame structures. Before conducting the numerical simulation, the modeling methods were verified by previous experimental results of two multi-story planar frames with and without steel braces. Thereafter, the effects of the tensile and compressive braces on the collapse behavior of the frame structures were elucidated. Then, based on the mechanical action laws of the braces throughout the collapse process, a detailed design method for improving the collapse resistance of unequal-span frame structures was proposed. Finally, the proposed design method was verified by using sufficient example models, and the results demonstrated that the design method has good application prospects and high practical value.

Inhibition of Microcystis aeruginosa by the Extracellular Substances from an Aeromonas sp

( Yu Mei Liu ),( Ming Jun Chen ),( Meng Hui Wang1 ),( Rui Bao Jia ),( Li Li ) 한국미생물 · 생명공학회 2013 Journal of microbiology and biotechnology Vol.23 No.9

Growth of Microcystis aeruginosa could be inhibited significantly within 24 h by the extracellular substances prepared from Aeromonas sp. strain FM. During the treatment, the concentration of extracellular soluble carbohydrates increased significantly in algal culture. Morphological and ultrastructural changes in M. aeruginosa cells, including breakage of the cell surface, secretion of mucilage, and intracellular disorganization of thylakoids, were observed. HPLC-MS analysis showed that the extracellular substances of Aeromonas sp. strain FM were a mixture of free amino acids, tripeptides, and clavulanate. Among these, the algaelysis effects of lysine and clavulanate were confirmed.

Draft Genome Assembly and Annotation for Cutaneotrichosporon dermatis NICC30027, an Oleaginous Yeast Capable of Simultaneous Glucose and Xylose Assimilation

Wang Laiyou,Guo Shuxian,Zeng Bo,Wang Shanshan,Chen Yan,Cheng Shuang,Liu Bingbing,Wang Chunyan,Wang Yu,Meng Qingshan 한국균학회 2022 Mycobiology Vol.50 No.1

The identification of oleaginous yeast species capable of simultaneously utilizing xylose and glucose as substrates to generate value-added biological products is an area of key eco- nomic interest. We have previously demonstrated that the Cutaneotrichosporon dermatis NICC30027 yeast strain is capable of simultaneously assimilating both xylose and glucose, resulting in considerable lipid accumulation. However, as no high-quality genome sequenc- ing data or associated annotations for this strain are available at present, it remains chal- lenging to study the metabolic mechanisms underlying this phenotype. Herein, we report a 39,305,439 bp draft genome assembly for C. dermatis NICC30027 comprised of 37 scaffolds, with 60.15% GC content. Within this genome, we identified 524 tRNAs, 142 sRNAs, 53 miRNAs, 28 snRNAs, and eight rRNA clusters. Moreover, repeat sequences totaling 1,032,129 bp in length were identified (2.63% of the genome), as were 14,238 unigenes that were 1,789.35 bp in length on average (64.82% of the genome). The NCBI non-redundant protein sequences (NR) database was employed to successfully annotate 11,795 of these unigenes, while 3,621 and 11,902 were annotated with the Swiss-Prot and TrEMBL databases, respectively. Unigenes were additionally subjected to pathway enrichment analyses using the Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), Cluster of Orthologous Groups of proteins (COG), Clusters of orthologous groups for eukaryotic com- plete genomes (KOG), and Non-supervised Orthologous Groups (eggNOG) databases. Together, these results provide a foundation for future studies aimed at clarifying the mech- anistic basis for the ability of C. dermatis NICC30027 to simultaneously utilize glucose and xylose to synthesize lipids.

Estimation for the Random Errors of Reflector Surfaces Using Measured Data

Meng Wang,Cong-Si Wang,Wei Wang,Jin-Zhu Zhou,Peng Li 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.

In this research, a novel error-decomposition scheme is developed to determine efficiently the random errors of reflector surface basedon the discrete measurement data. The least squares fitting of semi-closed B-spline surface is employed. Subsequently, a spatialstatistical analysis is performed to determine whether the spatial independent distribution of the sampled data points is attained fora given confidence level. This research rests on the assumption that the measurement errors of instruments are trivial compared withrandom errors caused by machining and assembly inaccuracies. The presented methodology has been applied to the surface analysisof a 3.7 m reflector antenna.

Exploring the Role of Big Data in Reshaping Competitive Advantages in the Film and Television Industry

Meng Meng Wang,Dai Hwan Min 한국경영학회 2014 한국경영학회 통합학술발표논문집 Vol.2014 No.8

This study focuses on the role and value of big data marketing in shaping firm competitive advantages and transforming industries, with a particular focus on the film and television (FT) industry. We argue that big data may present myriad possibilities for firms to take hold of growth opportunities and improve their competitive advantages. We specifically explore the role and value of big data, and highlighting the effect of big data on driving firm marketing strategy and further illustrate the usefulness of big data in the FT industry through the cases of US House of Cards, Chinese Tiny Times, and Indian Satyamev Jayate. We provide a more comprehensive review of the big data, demonstrating the importance of exploiting big data marketing in the FT industry. We conclude with the possible practical implications.

지각된 가치가 온라인 구매후기 작성동기와 구전행동 속도에 미치는 영향에 관한 탐색적 연구

왕맹맹(Meng-Meng Wang),초수봉(Shu-Feng (Simon) Xiao),민대환(Dai-Hwan Min) 한국무역연구원 2020 무역연구 Vol.16 No.2

Purpose–The importance of online word of mouth has generated considerable interest among both academics and practitioners. The present study aims to introduce a framework that addresses the factors influencing quick online word of mouth. Specifically, this paper examines the impacts of various motivations of online reviews, which are shaped by different consumer values, on quick online word of mouth. Design/methodology/approach–This study collected survey data from 328 consumers in China and tested the research model using a structural equation approach. Findings - Our results suggest that online review motivations significantly influence the quick online word of mouth among Chinese consumers, which are shaped by consumer values. We conclude that in order to better understand online word of mouth of consumers in the world’s largest emerging market, it might be more beneficial for managers to concentrate on analyzing various motivations that incentivize online consumers to write reviews and the respective consumer values shaping such review motivations. Research implications or Originality–Based on results from a survey sent to online consumers in China, we develop implications for online word of mouth management and research as well as practitioners. One of the most notable contributions of this study is to demonstrate that online review motivations, which are shaped by consumer values, have important impacts on quick online word of mouth. However, different types of online review motivations, which are shaped by different consumer values, exert different effects on quick online word of mouth, suggesting that not all consumer values and online review motivations have the equal effect on quick online word of mouth. We enhance understanding of what drive consumers’ quick online word of mouth, and how consumer values and reviews motivations matter.

Adaptive-and-Resolvable Fractional Repetition Codes Based on Hypergraph

Tiantian Wang,Jing Wang,Haipeng Wang,Jie Meng,Chunlei Yu,Shuxia Wang 한국인터넷정보학회 2023 KSII Transactions on Internet and Information Syst Vol.17 No.4

Fractional repetition (FR) codes can achieve exact uncoded repair for multiple failed nodes, with lower computational complexity and bandwidth overhead, and effectively improve repair performance in distributed storage systems (DSS). The actual distributed storage system is dynamic, that is, the parameters such as node storage overhead and number of storage nodes will change randomly and dynamically. Considering that traditional FR codes cannot be flexibly applied to dynamic distributed storage systems, a new construction scheme of adaptive-and-resolvable FR codes based on hypergraph coloring is proposed in this paper. Specifically, the linear uniform regular hypergraph can be constructed based on the heuristic algorithm of hypergraph coloring proposed in this paper. Then edges and vertices in hypergraph correspond to nodes and coded packets of FR codes respectively, further, FR codes is constructed. According to hypergraph coloring, the FR codes can achieve rapid repair for multiple failed nodes. Further, FR codes based on hypergraph coloring can be generalized to heterogeneous distributed storage systems. Compared with Reed-Solomon (RS) codes, simple regenerating codes (SRC) and locally repairable codes (LRC), adaptive-and-resolvable FR codes have significant advantages over repair locality, repair bandwidth overhead, computational complexity and time overhead during repairing failed nodes.

Multi-channel analyzer based on a novel pulse fi tting analysis method

Qingshan Wang,Xiongjie Zhang,Xiangting Meng,Bao Wang,Dongyang Wang,Pengfei Zhou,Renbo Wang,Bin Tang 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.6

A novel pulse fitting analysis (PFA) method is presented for the acquisition of nuclear spectra. Thecharging process of the feedback capacitor in the resistive feedback charge-sensitive preamplifier isequivalent to the impulsive pulse, and its impulse response function (IRF) can be obtained by non-linearfitting of the falling edge of the nuclear pulse. The integral of the IRF excluding the baseline representsthe energy deposition of the particles in the detector. In addition, since the non-linear fitting process inPFA method is difficult to achieve in the conventional architecture of spectroscopy system, a new multichannel analyzer (MCA) based on Zynq SoC is proposed, which transmits all the data of nuclear pulsesfrom the programmable logic (PL) to the processing system (PS) by high-speed AXI-Stream in order toimplement PFA method with precision. The linearity of new MCA has been tested. The spectrum of 137Cswas obtained using LaBr3(Ce) scintillator detector, and was compared with commercial MCA by ORTEC. The results of tests indicate that the MCA based on PFA method has the same performance as thecommercial MCA based on pulse height analysis (PHA) method and excellent linearity for g-rays withdifferent energies, which infers that PFA method is an effective and promising method for the acquisitionof spectra. Furthermore, it provides a new solution for nuclear pulse processing algorithms involvingregression and iterative processes

한․중 전자 음악교육 비교 연구

wang meng 한국동양예술학회 2019 동양예술 Vol.45 No.-

현대 과학 기술과의 급속한 발전으로 인류 사회는 개방화, 글로벌화 시대로 접어들었다. 그래서 현재는 다원화가 더욱 중요해지고 있다. 미국과 캐나다 등 이민국에서 시작한 다원적 교육은 세계 각국에서도 중요시되며 그 관심도 역시 나날이 많아지고 있다. 이 논문은 에서는 시대정신을 기반으로 다원적 시점을 가지고 한․중 양국의 교육 현황에 대해 기초적으로 비교 분석한다. 그 내용은 양국의 음악을 연구 방향을 기초로 하고, 전자음악 교육을 착안점으로 삼아 양국의 문화권을 넘어선 음악 교육의 특징을 알아보고자 한다. 전자음악은 시대성적인 요구가 강한 음악이며 아주 중요한 형식이기도 한다. 양국 전자음악 교육에 대한 비교 연구를 바탕으로 개방적인 문화 태도와 의식을 기르고 시야를 확장시켜 자국 문화에 대한 올바른 이해도를 향상시키고자 한다, 논문에서 다원 문화 교육의 정의와 필요성 시작으로 한․중 양국 전자음악에 관한 선행연구를 정리하고, 양국의 음악 교육과목과 교재를 비교 결과 전자 음악 교육 분야에 있어 다원적 교육 요소는 매우 중요하다고 본다. 본문은 총 네 부분으로 나누어져 있으며 2장은 주로 전자음악의 정의 및 필요성을 살펴본 후 한․중 양국의 다문화 음악에 관한 선행연구를 정리 및 귀납하였다. 3장은 한국 음악 교육의 기준과 그 과목을 분석하여 한국 전자음악 교육 현황을 살펴봤다. 4장은 중국 음악 교육의 교과목 및 교재를 분석하여 그 현황을 살펴봤다. 5장은 2장과 3장의 비교 연구 결과를 바탕으로 한-중 양국 전자 음악에 대해 비교 분석하였다.

FUNCTION INTEGRATION FOR LIGHTWEIGHT CHASSIS BASED ON AXIOMATIC DESIGN AND DESIGN STRUCTURE MATRIX

Meng Wang,Elmar Beeh,Andreas Höfer,Horst Friedrich 한국자동차공학회 2018 International journal of automotive technology Vol.19 No.6

Function integration is the way used commonly to achieve the lightweight design system. To realize the design successfully by combing two systems multifaceted issues in need to be considered. The potential functional conflicts between the existing systems are the major unfavorable factors limiting the design. In order to complete the better design, the functional and physical relationships in the systems should be figured out. This paper proposes the approach, by which the function integration process is expressed using the axiomatic design. In the design process, the mutual relationships of design parameters in the systems are investigated by means of design matrices. The design concepts are compared and evaluated by the method combining the axiomatic design and design structure matrix.