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Genomic Analysis of Mitochondrial Carrier Genes in the Bombyx mori

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Journal of Integrative Agriculture 2012年第10期11卷 1707-1713页

作者： CAO jun shi Feng Institute of Life Science Jiangsu University Shandong Lvdu Bio-Technique Industry

This study is performed to investigate the mitochondrial carrier gene family in silkworm genome. In total, 30 genes are identified and claded into eight well-conserved groups. Gene duplication contributes to the expansion and complexity of this family. Diverse expression patterns suggest their functional differentiation. Analyses of the sitespecific profiles reveal critical amino acid residues for functional divergence. This study highlights the molecular evolution of the mitochondrial carrier gene family in silkworm and may provide a starting point for further experimental verification.

关键词： mitochondrial carrier gene phylogenetic analysis evolution silkworm

Global exponential stability of Cohen-Grossberg neural networks with variable delays

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Applied Mathematics(A Journal of Chinese Universities) 2009年第2期24卷 167-174页

作者： ZHANG Li-juan shi Bao Naval Aeronautical Engineering Institute Naval Aeronautical and Astronautical University Yantai264005 China School of Mathematics and Information Science Yantai University Yantai 264005 China

A class of generalized Cohen-Grossberg neural networks（CGNNs） with variable de- lays are investigated. By introducing a new type of Lyapunov functional and applying the homeomorphism theory and inequality technique, some new conditions axe derived ensuring the existence and uniqueness of the equilibrium point and its global exponential stability for CGNNs. These results obtained are independent of delays, develop the existent outcome in the earlier literature and are very easily checked in practice.

关键词： Cohen-Grossberg neural network equilibrium point delay global exponential stability

Structural and functional analysis of an asymmetric bidirectional promoter in Arabidopsis thaliana

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Journal of Integrative Plant Biology 2015年第2期57卷 162-170页

作者： shi-juan Liu Qiu-juan Yue Wei Zhang Key Laboratory of Plant Cell Engineering and Germplasm Innovation Ministry of Education School of Life Sciences Shandong University College of Life Science Qufu Normal University

Bidirectional promoters are relatively abundant in eukaryotic genomes, suggesting that they have an important biological significance. As yet, few of these promoters have been characterized in detail. Here, using a promoter：：GUS transgene approach has revealed that the intergenic region of Arabidopsis thaliana divergent genes At1g71850 and At1g71860 is an asymmetric bidirectional promoter, which exhibits an orientation-dependent expression profile. The strength of the forward promoter was greater than that of the reverse promoter, and their tissue specificities were not identical. Deletion analyses revealed that this bidirectional promoter could be divided into three functional regions. The basal level and tissue specificity of the promoter in the reverse orientation were regulated positively by region II and negatively by region III, whereas promoter activity in the forward orientation was regulated negatively by region II and positively by region I. Thus the 52-bp stretch of region II had a dual function, enhancing expression in the reverse orientation and suppressing it in the forward orientation. These results demonstrated that the activity of the At1g71850-At1g71860 bidirectional promoter was modulated by complex interactions between both positive and negative cis-acting elements. These findings will enhance our understanding of the regulatory mechanisms of plant bidirectional promoters.

关键词： GUS (β-glucuronidase) positive and negative regulatoryelement promoter strength tissue-specific expression

Generation of Squeezed States in Forward Three-Wave Mixing

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Chinese Physics Letters 1998年第2期15卷 109-111页

作者： LÜYa-jun WU Ling-an WU Mei-juan LI shi-qun Department of Modern Applied Physics Tsinghua UniversityBeijing 100084 Institute of Physics Chinese Academy of SciencesBeijing 100080

We present a study of the generation of squeezed states through nonlinear three-wave mixing in media with an intensity-dependent index of *** the semiclassical model,perfect squeezing for combination modes can be *** the Fokker-Planck equation approach,the effects of pump(including squeezed pump)and loss are *** is shown that the fluctuations of the pump place no fundamental limit to the degree of squeezing obtainable but losses do give an absolute limit.

关键词： absolute squeezed mixing

Damage effect analysis and experiment for electronic equipment in impact vibration environment

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Journal of Systems Engineering and Electronics 2009年第6期20卷 1384-1388页

作者： shi Quan Tian juan Man Qiang Dept. of Management Engineering Shijiazhuang Mechanical Engineering Coll. Shijiazhuang 050003 P. R. China

This paper analyzes the electronic equipment＇s effect factors such as structure characteristics and *** radar equipment is taken as an experimental *** damage laws of electro-products in vibration environment are *** experiment shows that the damage of electro-products in vibration environment has relations with both the type and amplitude of vibration and their structure.

关键词： electro-product vibration environment damage effect.

Assessment Framework of Green Intelligent Transformation of Small Hydropower in China

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Energy Engineering 2022年第2期119卷 681-697页

作者： jun shi Zhejiang Electric Power Industry Corporation Hangzhou310006China

With the comprehensive promoted construction of the establishment of green small hydropower,the defects of existing small hydropower station are gradually emerging,and it is necessary to implement green intelligent transformation to promote the construction of energy internet in *** study focuses on constructing a green intelligent planning and transforming assessment framework,and assists management department to filtrate the small hydropower stations which can be transformed ***,power station economy,ecological environment,technical safety management and social benefits are involved in the assessment index ***,multi-expert judgment aggregation based on fuzzed comparison scale is put forward to calculate the index value,and evidence synthesis is used to comprehensively assess the feasibility of green and intelligent planning and transformation for several small hydropower *** simulation case analysis shows the constructed assessment framework can reflect the actual situation of objectives properly and would provide decision-making basis for green and intelligent planning and transformation of small hydropower stations.

关键词： Small hydropower green intelligent transformation multi-expert judgment evidence synthesis

Quality of Irrigated Water with Nanometer Pottery Tray Treatment and Its Effects on Seed Soaking

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Rice science 2016年第2期23卷 88-95页

作者： HUANG jun-rong WANG Ai-juan WANG Guo-rong LIU Lian-meng HUANG shi-wen China National Rice Research Institute Hangzhou 310006 China Zhejiang University Hangzhou 310007 China Master Station of Yuhang District of Hangzhou for Administrative Agroecology and Plant Protection Hangzhou 311100 China Agricultural Bureau of Xiaoshan District of Hangzhou Hangzhou 311201 China

To study the impacts of nanometer pottery trays （NPTs） on different rice varieties, three rice varieties, Zhongzheyou 1, Jinzao 47 and Xiushui 09, were treated with four NPTs （NPT-A, NPT-B, NPT-C and NPT-D） with different energies, respectively. The results showed that when the same rice variety was treated with different NPTs or different rice varieties were treated with the same NPT, the impacts on seed germination rate, seedling growth, plant height, panicle length and weight, the number of filled grains, seed-setting rate and 1000-grain weight varied between different rice variety-NPT interaction groups. In general, high energy NPT-C and NPT-D treatments obviously enhanced the functions of most examined rice characters. For example, NPT-C and NPT-D treatments improved the germination rate of all the three rice varieties, and promoted the root growth of seedlings, and increased seedling fresh weight, single panicle weight, filled grain number per panicle, seed-setting rate and 1000-grain weight. On the contrary, low energy NPT-A treatment restrained the seed germination rate in Jinzao 47 and Zhongzheyou 1, and decreased the seedling fresh weight in Zhongzheyou 1. NPT-B treatment restrained the seedling growth in Jinzao 47 but increased the panicle length of Zhongzheyou 1. NPT-A and NPT-C treatments obviously decreased the 1000-grain weight in Xiushui 09. Therefore, when treating crop seeds or plants using nanomaterials or nanotechnologies, different types of crops/varieties should select the nanomaterials or nanotechnologies with suitable energies to reduce the negative effects.

关键词： nanomaterial nanotechnology nanometer pottery tray seed soaking rice variety

CONSTRAINED QUADRILATERAL NONCONFORMING ROTATED Q1 ELEMENT

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Journal of Computational Mathematics 2005年第6期23卷 561-586页

作者： jun Hu Zhong-ci shi LSEC ICMSEC Academy of Mathematics and System Sciences Chinese Academy of Sciences Beijing 100080 China

In this paper, we define a new nonconforming quadrilateral finite element based on the nonconforming rotated Q1 element by enforcing a constraint on each element, which has only three degrees of freedom. We investigate the consistency, approximation, superclose property, discrete Green＇s function and superconvergence of this element. Moreover, we propose a new postprocessing technique and apply it to this element. It is proved that the postprocessed discrete solution is superconvergent under a mild assumption on the mesh.

关键词： Constrained Nonconforming Rotated Q1 element Superconvergence Postprocess

New insight into the exotic states strongly coupled with the DD^(*)from the T_(cc)^(+)

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Science Bulletin 2024年第19期69卷 3036-3041页

作者： Guang-juan Wang Zhi Yang Jia-jun Wu Makoto Oka shi-Lin Zhu KEK Theory Center Institute of Particle and Nuclear Studies(IPNS)High Energy Accelerator Research Organization(KEK)Tsukuba 305-0801Japan School of Physics University of Electronic Science and Technology of ChinaChengdu 610054China School of Physical Sciences University of Chinese Academy of Sciences(UCAS)Beijing 100049China Southern Center for Nuclear-Science Theory(SCNT) Institute of Modern PhysicsChinese Academy of SciencesHuizhou 516000China Advanced Science Research Center Japan Atomic Energy AgencyTokai 319-1195Japan Nishina Center for Accelerator-Based Science RIKENWako 351-0198Japan School of Physics and Center of High Energy Physics Peking UniversityBeijing 100871China

We have investigated the internal structure of the open-and hidden-charmed(DD^(*)/DD^(*))molecules in the unified *** first fit the experimental lineshape of the Tt state and extract the DD^(*)interaction,from which the T is assumed to arise *** we obtain the DD^(*)interaction by charge *** results show that the DD*interaction is attractive but insufficient to form X(3872)as a bound ***,its formation requires the crucial involvement of the coupled channel effect between the DD^(*)and cc components,although the cc accounts for approximately 1%*** X(3872),we have obtained a higher-energy state around 3957.9 MeV with a width of 16.7 MeV,which may be a potential candidate for the X(3940).In J^(PC)=1^(+-)sector,we have found two states related to the iso-scalar X(3872)and h_(c)(2P),*** combined study provides valuable insights into the nature of these DD^(+)/DD^(+)exotic states.

关键词： Quark model Charmonium(-like)states Coupled-channel effect Exotic hadrons