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Architecture and challenges for low-altitude security system 32

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Architecture and challenges for low-altitude security system

Modification and refinement effects of Sb and Sr on Mg_(17)Al_(12) and Mg_2Si phases in Mg-12Al-0.7Si alloy

第32届中国控制与决策会议

作者： Yin Yang Chen Shuai wang jia-lin College of Electrical Engineering Naval University of Engineering

ISBN: (数字)9781728158556

ISBN: (纸本)9781728158563

With its miniaturization,intelligence,popularization and diversification,drones have become one of the most rapidly developing emerging industries in recent ***,its illegal use leads to more and more threats to the key areas,and there are problems such as difficult detection and lack of effective means of *** view of such targets,the detection methods and defense means are systematically sorted *** on the advantages and disadvantages of each equipment,this paper puts forward an important anti-drone architecture for prevention and ***,the feasibility of the system is preliminarily verified,which lays a foundation for solving the security problem in the low altitude.

关键词： Anti-UAV Defense System(AUDS) Drone Passive bistatic radar Detection and tracking

来源： cnki会议评论

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China Foundry 2016年第5期13卷 310-315页

作者： Zhi-wen wang Hong-xia wang jia-lin Gong Ming Li Wei-li Cheng Wei Liang Key Laboratory of lnterface Science and Engineering in Advanced Materials Taiyuan University of Technology Ministry of Education Taiyuan 030024 Shanxi China

The effects of Sb and Sr on the modification and refinement of Mg17Al12 and Mg2Si phases in Mg- 12Al-0.7Si alloy were investigated and compared. The microstructure and mechanical properties of Mg-12Al0.7Si alloy and its modification mechanism by Sb and Sr were investigated using a scanning electron microscope （SEM）, an energy dispersive spectrometer （EDS）, X-ray diffraction （XRD） and differential thermal analysis （DTA）. The results indicate that by adding 0.5wt.% Sb to the Mg-12Al-0.7Si alloy, the Mg17Al12 phase was refined and broken into some discontinuous island structures. However, some network Mg17Al12 phases still can be detected in Mg-12Al-0.7Si-0.09Sr alloy. Therefore, Sb performs better in modification and refinement of Mg17Al12 phase than does Sr. Small amounts of fine polygonal shaped Mg2Si phases were found in Mg-12AI-0.7Si-0.5Sb alloy, while the morphology of Mg2Si phases in Mg-12Al-0.7Si-0.09Sr alloy changed from the coarse Chinese script shapes to fine granule and irregular polygonal shapes, indicating that the effects of modification and refinement on Mg2Si phase are more significant by adding 0.09wt.% Sr than 0.5wt.% Sb. The ultimate tensile strengths of the Sb and Sr modified Mg-12Al-0.7Si alloys were considerably increased both at room temperature and at 200 ℃.

关键词： magnesium alloy Sb Sr Mg17Al12 phase Mg2Si phase

An Integrated QTL Map of Fungal Disease Resistance in Soybean (Glycine max L. Merr):A Method of Meta-Analysis for Mining R Genes

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Agricultural Sciences in China 2010年第2期9卷 223-232页

作者： wang jia-lin LIU Chun-yan wang Jing QI Zhao-ming LI Hui HU Guo-hua CHEN Qing-shan College of Agriculture Northeast Agricultural University Harbin 150030 P.R.China Land Reclamation Research ＆ Breeding Centre of Heilongjiang Harbin 150090 P.R.China The National Research Center of Soybean Engineering and Technology Harbin 150050 P.R.China College of Science Northeast Agricultural University Harbin 150030 P.R.China

Diseases caused by fungal pathogens account for approximately 50% of all soybean disease losses around the world. Conflicting results of fungal disease resistance QTLs from different populations often occurred. The objectives of this study were to：（i） evaluate evidence for reported fungal disease resistance QTLs associations in soybean and （ii） extract relatively reliable and useful information from the ＂real＂ QTLs and mine putative genes in soybean. An integrated map of fungal disease resistance QTLs in soybean was established with soymap 2 published in 2004 as a reference map. QTLs of fungal disease resistance developed from each of separate populations in recent 10 years were integrated into a combinative map for gene cloning and marker assisted selection in soybean. 107 QTLs from different maps were integrated and projected to the reference map with the software BioMercator 2.1. A method of meta-analysis was used to narrow down the confidence interval, and 23 ＂real＂ QTLs and their corresponding markers were obtained from 12 linkage groups （LG）, respectively. Two published R genes were found in these ＂real＂ QTLs intervals. Sequences in the ＂real＂ QTLs intervals were predicted by GENSCAN, and these predicted genes were annotated in Goblet. 228 resistance gene analogs （RGAs） in 12 different terms were mined. The results will lay the foundation for a bioinformatics platform combining abundant QTLs, and offer the basis for marker assisted selection and gene cloning in soybean.

关键词： soybean fungal disease QTL meta-analysis resistance gene analogs

NUMERICAL INVESTIGATIONS INTO THE FRICTION REDUCTION BY MICROBUBBLES FOR FLAT PLATES

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Journal of Hydrodynamics 2003年第3期15卷 82-88页

作者： Zhan De-xin, wang jia-mei, lin Li-ming School of Transportation, Wuhan University of Technology, Wuhan 430063, China, SchoolofTransportation WuhanUniversityofTechnologyWuhan430063China

The two-dimensional flow on the flat plate with injected microbubbles issimulated using the software, PHOENICS (V3. 2), usually used in the CFD (Computational FluidDynamics). A set of formulas for K-ε turbulence model modified with the presence of microbubbles,is employed. With considering the effect of gravity, interfacial lift, inter-phase friction, virtualmass force and interfacial pressure on the flow with microbubbles, numerical calculations for theinfluence of variable air volume fracton as well as distribution, injecting speed, microbubblediameter and position of introducing microbubbles on the friction reduction are presented. Resultsshow that the friction reduction increases with increasing volume fraction and microbubble diameterwithin the range of 100μm, and that the velocity in the boundary layer with microbubbles is greaterthan that without microbubbles. The order of magnitude and trends of the experimental skin-frictionare reproduced well. The uniform free-stream speed in all cases is 4m/s, giving Reynolds number ofup to 20 million.

关键词： flat plate friction reduction by microbubbles modified K-ε turbulencemodel numerical simulation

MicroRNAs Involved in the Pathogenesis of Phytophthora Root Rot of Soybean (Glycine max)

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Agricultural Sciences in China 2011年第8期10卷 1159-1167页

作者： wang Jing LIU Chun-yan ZHANG Li-wei wang jia-lin HU Guo-hua DING Jun-jie CHEN Qing-shan College of Agriculture Northeast Agricultural UniversityHarbin 150030P.R.China Land Reclamation Research ＆ Breeding Centre Harbin 150090P.R.China Heilongjiang Academy of Agricultural Sciences jiamusi Branch Jiamusi 154007P.R.China

Phytophthora root rot is one of the most prevalent diseases in the world,which can infect the seedlings and plants,with substantial negative impact on soybean yield and *** （miRNAs） are a class of post-transcriptional regulators of gene expression during growth and development of organisms.A soybean disease-resistance variety Suinong 10 was inoculated with Phytophthora sojae race No.1,and the specific miRNA resistant expression profile was acquired by microarray for the first *** expressional miRNAs have been found after comparing the results of the treated sample with the control ***,the target genes of different expressional miRNAs were *** miRNAs,cbr-mir-241 and ath-miR854a,regulated the disease-resistance process directly through their targets,some *** two miRNAs,gma-miR169a and ath-miR169h,participated in disease-resistance regulation as transcription ***,one miRNA,ptc-miR164f,has been reported to regulate the plant *** of these studies would be served as the foundation for exploring the resistance mechanism.

关键词： microRNA (miRNA) microarray soybean (Glycine max) gene expressional regulation

Acupuncture for Chronic Fatigue Syndrome:An Overview of Systematic Reviews

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Chinese Journal of Integrative Medicine 2021年第12期27卷 940-946页

作者： YIN Zi-han wang lin-jia CHENG Ying CHEN jiao HONG Xiao-juan ZHAO ling LIANG Fan-rong School of Acu-Mox and Tuina Chengdu University of Traditional Chinese MedicineChengdu(610075)China Acupuncture Clinical Research Center Chengdu University of Traditional Chinese MedicineChengdu(610075)China

Objective To evaluate the quality of the existing studies and summarize evidence of important outcomes of meta-analyses/systematic reviews(MAs/SRs)of *** Potentially eligible studies were searched in the following electronic databases from inception to 1 September,2019:Chinese Biomedical Literature Database(CBM),China Science and Technology Journal Database(VIP),China National Knowledge Infrastructure(CNKI),WanFang Database(WF),Web of Science,Embase,PubMed and Cochrane *** of Recommendation,Assessment,Development,and Evaluation(GRADE)was used to evaluate the quality of *** methodological quality of the literature was evaluated by A Measure Tool to Assess Systematic Reviews-2(AMSTAR-2)and the quality of the report was assessed by Preferred Reporting Items for Systematic Reviews and Meta-analyses(PRISMA).The intra-class correlation coefficient was used to assess the consistency of the reviewers,with an overall intraclass correlation coefficient score of *** Ten MAs/SRs were *** overall conclusions were that acupuncture had good safety and efficacy in the treatment of CFS,but some of these results were *** GRADE indicated that out of the 17 outcomes,high-quality evidence was provided in 0(0%),moderate in 3(17.65%),low in 10(58.82%),and very low in 4(23.53%).The results of AMSTAR-2 showed that the methodological quality of all included studies was critically *** PRISMA statement revealed that 8 articles(80%)were in line with 20 of the 27-item checklist,and 2 articles(20%)matched with 10-19 of the 27 *** We found that acupuncture on treating CFS has the advantage for efficacy and safety,but the quality of SRs/MAs of acupuncture for CFS need to be improved.

关键词： chronic fatigue syndrome acupuncture overview AMSTAR-2 GRADE PRISMA

Meta-Analysis of 100-Seed Weight QTLs in Soybean

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Agricultural Sciences in China 2011年第3期10卷 327-334页

作者： QI Zhao-ming SUN Ya-nan wang jia-lin ZHANG Da-wei LIU Chun-yan HU Guo-hua CHEN Qing-shan Northeast Agricultural University Harbin 150030 P.R. China The Crop Research and Breeding Center of Land-Reclamation Harbin 150090 P.R.China

100-seed weight is a very complicated quantitative trait of yield. The study of gene mapping for yield trait in soybean is very important for application. However, the mapping result of 100-seed weight was dispersed, the public map should be chosen which was suitable for the published results integrated, and to improve yield. In this research, an integrated map of 100-seed weight QTLs in soybean had been established with soymap2 published in 2004 as a reference map. QTLs of 100-seed weight in soybean were collected in recent 20 yr. With the software BioMercator 2.1, QTLs from their own maps were projected to the reference map. From published papers, 65 QTLs of 100-seed weight were collected and 53 QTLs were integrated, including 17 reductive effect QTLs and 36 additive effect QTLs. 12 clusters of QTLs were found in the integrated map. A method of meta-analysis was used to narrow down the confidence interval, and 6 additive QTLs and 6 reductive QTLs and their corresponding markers were obtained respectively. The minimum confidence interval （C.I.） was shrunk to 1.52 cM. These results would lay the foundation for marker-assisted selection and mapping QTL precisely, as well as QTL gene cloning in soybean.

关键词： soybean 100-seed weight meta-analysis consensus QTL marker assisted selection

Identification of additional QTLs for flowering time by removing the effect of the maturity gene E1 in soybean

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Journal of Integrative Agriculture 2016年第1期15卷 42-49页

作者： LU Si-jia LI Ying wang jia-lin NAN Hai-yang CAO Dong LI Xiao-ming SHI Dan-ning FANG Chao SHI Xin-yi YUAN Xiao-hui Jun Abe LIU Bao-hui KONG Fan-jiang Key Laboratory of Soybean Molecular Design Breeding Northeast Institute of Geography and Agroecology Chinese Academy of Sciences Harbin 150081 P.R.China University of Chinese Academy of Sciences Beijing 100049 P.R. China State Key Laboratory of Tree Genetics and Breeding Northeast Forestry University Harbin 150040 P.R.China Research Faculty of Agriculture Hokkaido University Sapporo 060-8589 Japan

The adaptability of soybean to be grown at a wide range of latitudes is attributed to natural variation in the major genes and quantitative trait loci （QTLs） that control flowering time and maturity. Thus, the identification of genes controlling flowering time and maturity and the understanding of their molecular basis are critical for improving soybean productivity. However, due to the great effect of the major maturity gene E1 on flowering time, it is difficult to detect other small-effect QTLs. In this study, aiming to reduce the effect of the QTL, associated with the E1 gene, on the detection of other QTLs, we divided a population of 96 recombinant inbred lines （RILs） into two sub-populations： one with the E1 allele and another with the elns allele. Compared with the results of using all 96 recombinant inbred lines, additional QTLs for flowering time were identified in the sub-populations, two （qFT-B1 and qFT-H） in RILs with the E1 allele and one （qFT-J-2） in the RILs with the elnl allele, respectively. The three QTLs, qFT-B1, qFT-H and qFT-J-2 were true QTLs and played an important role in the regulation of growth period. Our data provides valuable information for the genetic mapping and gene cloning of traits controlling flowering time and maturity and will help a better understanding of the mechanism of photoperiod-regulated flowering and molecular breeding in soybean.

关键词： multiple QTL model (MQM) mixed model-based composite interval mapping (MCIM) photoperiod maturity,productivity

二步Carnot群上非线性次椭圆方程组弱解的正则性

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吉林大学学报（理学版） 2009年第3期47卷 409-415页

作者：王家林西北工业大学应用数学系西安710072

利用分数次差商的迭加技巧,在二步Carnot群上研究非线性次椭圆方程组在椭圆型条件和可控制结构条件下弱解的正则性,得到了弱解的局部HW2,2估计.

关键词： Carnot群正则性分数次差商非线性次椭圆方程组