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Search Results: 1 - 10 of 8443 matches for " Mengyuan Deng "
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Is It Possible for Government and Society Co-Governance Come True?—Take the Town of Houjie, Dongguan City, as an Example  [PDF]
Mengyuan Deng
Open Journal of Social Sciences (JSS) , 2019, DOI: 10.4236/jss.2019.72022
Abstract: As a kind of promotion theory of strong democracy and deliberative democracy, participatory governance is characterized by emphasizing the flattening, empowerment, participation, government-social cooperation of government management organizations. This paper is intended to be in Houjie Town, Dongguan City, Guangdong Province in 2016. The “Internet + National Chuangan” initiated in the year is a research case. The analysis of the successful reasons and the promotion of “Houjie Sample” from the perspective of participatory governance provide a possibility for all grassroots governments to realize social governance innovation.
A Co-Word Analysis on Policy of Business Incubator in Guangdong Province  [PDF]
Mengyuan Wen
Open Journal of Business and Management (OJBM) , 2018, DOI: 10.4236/ojbm.2018.61015
Abstract:
In China, government policy support is an important driving force for promoting the development of incubators. The rationality and effectiveness of policies are the key to guiding the development of incubators in the early stage. Research on incubator policies can help clarify the support methods and priorities of policies. This paper employs the bibliometrics method and follows a procedure of keyword extraction, co-wording and cluster analysis to analyze the system and structural characteristics of incubator policy. The research shows that the overall policy of incubator in Guangdong is mainly composed of four types of policies: Land support, taxation, financial support, investment and financing policies. The financial support is at the core of the incubator policy system and policy is mainly focused on the front chain of incubator development, encouraging the development of the number of incubators while at the same time the support for talents is weak and the effect of policy implementation is not supervised. On this basis, combined with the reality of the development of incubators, this paper puts forward opinions and suggestions for the formulation and adjustment of the incubator policy.
Lie algebras of linear systems and their automorphisms
Mengyuan Zhang
Mathematics , 2014,
Abstract: The objective of this thesis is to study the automorphism groups of the Lie algebras attached to linear systems. A linear system is a pair of vector spaces $(U,W)$ with a nondegenerate pairing $\langle\cdot,\cdot\rangle\colon U\otimes W\to \mathbb{C}$, to which we attach three Lie algebras $\mathfrak{sl}_{U,W}\subset \mathfrak{gl}_{U,W}\subset\mathfrak{gl}^M_{U,W}$. If both $U$ and $W$ are countable dimensional, then, up to isomorphism, there is a unique linear system $(V,V_*)$. In this case $\mathfrak{sl}_{V,V_*}$ and $\mathfrak{gl}_{V,V_*}$ are the well-known Lie algebras $\mathfrak{sl}_\infty$ and $\mathfrak{gl}_\infty$, while the Lie algebra $\mathfrak{gl}^M_{V,V_*}$ is the Mackey Lie algebra introduced in \cite{PSer}. We review results about the monoidal categories $\mathbb{T}_{\mathfrak{sl}_{U,W}}$ and $\mathbb{T}_{\mathfrak{gl}^M_{U,W}}$ of tensor modules, both of which turn out to be equivalent as monoidal categories to the category $\mathbb{T}_{\mathfrak{sl}_\infty}$ introduced earlier in \cite{DPS}. Using the relations between the categories $\mathbb{T}_{\mathfrak{sl}_\infty}$ and $\mathbb{T}_{\mathfrak{gl}^M_\infty}$, we compute the automorphism group of $\mathfrak{gl}^M_\infty$.
Analytical Errors in the Determination of Inorganic and Organic Phosphorus in Waters Based on Laboratory Experiences  [PDF]
Jinbo Zhao, Mengyuan Liu, Ming Chen
Journal of Water Resource and Protection (JWARP) , 2019, DOI: 10.4236/jwarp.2019.111004
Abstract: Phosphorus has been closely associated with eutrophication, a growing ecological problem globally. Because bacterial and algae responds to organic and inorganic nutrients differently, developing an accurate analytical method for the determination of dissolved inorganic phosphorus (DIP) and dissolved organic phosphorus (DOP) is critical for understanding eutrophication. This paper describes analytical variations observed in laboratory experiments for the determination of DIP and DOP. Several experimental parameters including phosphorus reagents’ temperature, water sample matrix, pH, and autoclave methods are investigated. With the optimization of the autoclave procedure, the recoveries of 8 model organic phosphorus compounds (i.e. adenosine-5-triphosphate di-sodium salt (ATP), phytic acid (PTA), sodium tripolyphosphate (STP), methyltriphenylphosphonium bromide (MPT), p-nitrophenyl phosphate magnesium salt (p-NPP), β-D-glucose-6-phosphate monosodium salt (G-6-P) and cocarboxylase (COCA)) are all well above 90% indicating significant analytical method improvement.
Comparing the Time-Deformation Method with the Fractional Fourier Transform in Filtering Non-Stationary Processes  [PDF]
Mengyuan Xu, Wayne A. Woodward, Henry L. Gray
Journal of Signal and Information Processing (JSIP) , 2012, DOI: 10.4236/jsip.2012.34062
Abstract: The classical linear filter is able to extract components from multi-component stochastic processes where the frequencies of components do not overlap over time, but fail for those processes where the frequencies overlap over time. In this paper, we discuss two filtering methods for non-stationary processes: the G-filtering method and the Fractional Fourier transform (FrFT) method. The FrFT method is mainly designed for linear chirp signals where the frequency is linearly changing with time. The G-filter can be used to filter signals with wide range of frequency behaviors such as linear chirps, quadratic chirps and other type of chirp signals with strong time-varying frequency behavior. If frequencies of the components can be approximated or separated by a straight line or a polynomial curve, the G-filter can successfully extract components from the original series. We show that the G-filter is applicable to a wider variety of filtering applications than methods such as the FrFT which require data of a specified frequency behavior.
Effect of Turbulence on Phosphorus Release from Estuarine Sediment  [PDF]
Jinbo Zhao, Mengyuan Liu, Li Xu, Yingjun Xu
Journal of Environmental Protection (JEP) , 2019, DOI: 10.4236/jep.2019.101003
Abstract: Phosphorus (P) is an essential element for growth in aquatic ecosystems but the dynamics of phosphorus cycling within catchments is poorly constrained. The aim of this study was therefore to develop analytical tools to investigate the release of inorganic and organic phosphorus species in rivers and estuaries during resuspension events such as storm, wind and tidal induced turbulence. To achieve this aim, laboratory simulations using a mini-annular flume coupled with segmented flow analyser detection were performed. To collect SPM (suspended particulate matter), a specially designed specimen box was deployed in the River Tamar (Devon, UK). Inorganic and total phosphorus were determined using segmented flow analyser methods adapted for use with acidified persulfate digests. The segmented flow analyser had a detection limit (3 s.d.) of 0.53 μg P L-1 for inorganic P and 1.5 μg P L-1 for total P. The mini-annular flume provides a suitable method for laboratory simulations, e.g. we managed to get low blanks and good experimental reproducibility, and are also able to see changes in P species within analytical precision. Results showed that increase of shear stress (or SPM) caused release of inorganic P from sediment. This could be used as a fact to build a model to study P dynamics during resuspension events in the river and estuaries environment.
A novel single nucleotide polymorphism within the NOD2 gene is associated with pulmonary tuberculosis in the Chinese Han, Uygur and Kazak populations
Mengyuan Zhao, Feng Jiang, Wanjiang Zhang, Fujian Li, Liliang Wei, Jiyan Liu, Yun Xue, Xiling Deng, Fang Wu, Le Zhang, Xing Zhang, Yuxiang Zhang, Dapeng Fan, Xiaojun Sun, Tingting Jiang, Ji-Cheng Li
BMC Infectious Diseases , 2012, DOI: 10.1186/1471-2334-12-91
Abstract: A case-control study was performed on the Chinese Han, Uygur and Kazak populations. Exon 4 of the NOD2 gene was sequenced in 425 TB patients and 380 healthy controls to identify SNPs.The frequency of T/G genotypes for the Arg587Arg (CGT → CGG) single nucleotide polymorphism (SNP) in NOD2 was found to be significantly higher in the Uygur (34.9%) and Kazak (37.1%) populations than the Han population (18.6%). Also, the frequency of G/G genotypes for the Arg587Arg SNP was significantly higher in the Uyghur (8.3%) and Kazak (5.4%) populations than the Han population (0.9%). Meanwhile, no significant difference was found in the Arg587Arg polymorphism between the tuberculosis patients and healthy controls in the Uyghur and Kazak populations (P > 0.05) whereas, a significant difference was observed in the Arg587Arg polymorphism between the tuberculosis patients and healthy controls in the Han population (P < 0.01). The odd ratio of 2.16 (95% CI = 1.31-3.58; P < 0.01) indicated that the Arg587Arg SNP in NOD2 may be associated with susceptibility to tuberculosis in the Chinese Han population.Our study is the first to demonstrate that the Arg587Arg SNP in NOD2 is a new possible risk factor for tuberculosis in the Chinese Han population, but not in the Uyghur and Kazak populations. Our results may reflect racial differences in genetic susceptibility to tuberculosis.According to the latest World Health Organization statistics, tuberculosis (TB) kills 1.7 million people each year, with 9.4 million new cases a year. It is estimated that 1/3 of the world's population has been infected with mycobacterium TB. In the majority of infected people, the immune response is able to adequately control the infection, and consequently only 5-10% will develop clinically active TB disease during their lifetime [1]. The incidence of TB in different ethnic groups and countries is different. In 2009, 55% of all TB cases occurred in Asia, 30% in Africa, 7% in Eastern Mediterranean Region, 4% in Euro
Ultrastructural localization of active genes inAllium cepa cells
Wei Tao,Mengyuan He,Shui Hao
Chinese Science Bulletin , 2001, DOI: 10.1007/BF02900468
Abstract: By using the anti-RNA/DNA hybrid antibody as the probe, we labeled and analyzed the precise transcriptional sites of active genes inAllium cepa cellsin situ. The results showed that the location of labeled signals appeared in mitochondrion was the same as that in chloroplast, generally concentrated at the central matrix space where there were no cristae and thylakoids. In the extranucleolar regions of nucleus, the labeled signals of transcriptional sites were situated at the perichromatin fibrils, which decondensed and stretched out from the chromosome territories. Our results also displayed the concentrations of labeled signals in a certain region of nucleus, and this means that the gene transcription rich region actually existed inAllium cepa cells. In nucleolus, the synthetic sites of rRNA were localized not only to the periphery of fibrillar centers but also to the DFC near FC.
The N-terminus of FILIA Forms an Atypical KH Domain with a Unique Extension Involved in Interaction with RNA
Juke Wang,Mengyuan Xu,Kai Zhu,Lei Li,Xinqi Liu
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0030209
Abstract: FILIA is a member of the recently identified oocyte/embryo expressed gene family in eutherian mammals, which is characterized by containing an N-terminal atypical KH domain. Here we report the structure of the N-terminal fragment of FILIA (FILIA-N), which represents the first reported three-dimensional structure of a KH domain in the oocyte/embryo expressed gene family of proteins. The structure of FILIA-N revealed a unique N-terminal extension beyond the canonical KH region, which plays important roles in interaction with RNA. By co-incubation with the lysates of mice ovaries, FILIA and FILIA-N could sequester specific RNA components, supporting the critical roles of FILIA in regulation of RNA transcripts during mouse oogenesis and early embryogenesis.
Molecular characterization of a cryptic wheat-Thinopyrum intermedium translocation line: evidence for genomic instability in nascent allopolyploid and aneuploid lines
Yingshan, Dong;Xiuling, Bu;Yushi, Luan;Mengyuan, He;Bao, Liu;
Genetics and Molecular Biology , 2004, DOI: 10.1590/S1415-47572004000200018
Abstract: a putative translocation line (#32), together with a disomic addition line (tai27) and an octo-amphiploid line (zhong3) of common wheat and thinopyrum intermedium were characterized by restriction fragment length polymorphism (rflp) analysis, using probes covering all seven homoeologous groups of triticeae. line 32 was confirmed to be a cryptic translocation line, based on the detection of multiple introgressed hybridization fragments specific to th. intermedium in the rflp patterns, and the absence of a hybridization signal in gish analysis. in addition, extensive genomic changes, as compared to the wheat parent, were detected on all three lines studied, with a great majority of changes showing concordance among the lines. our data is consistent with the emerging view that nascent allopolyploid and aneuploid plant genomes are highly dynamic, which may generate novel introgressed materials for breeding.
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