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RISS 인기검색어
- 검색키워드
- 저자 : Ruisheng Wang (검색결과 4 건)
- 무료
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- 유료
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AN APPROXIMATE GREEDY ALGORITHM FOR TAGSNP SELECTION USING LINKAGE DISEQUILIBRIUM CRITERIA
Wang, Ying,Feng, Enmin,Wang, Ruisheng Korean Society of Computational and Applied Mathem 2008 Journal of applied mathematics & informatics Vol.26 No.3-4
In this paper, we first construct a mathematical model for tagSNP selection based on LD measure $r^2$, then aiming at this kind of model, we develop an efficient algorithm, which is called approximate greedy algorithm. This algorithm is able to make up the disadvantage of the greedy algorithm for tagSNP selection. The key improvement of our approximate algorithm over greedy algorithm lies in that it adds local replacement(or local search) into the greedy search, tagSNP is replaced with the other SNP having greater similarity degree with it, and the local replacement is performed several times for a tagSNP so that it can improve the tagSNP set of the local precinct, thereby improve tagSNP set of whole precinct. The computational results prove that our approximate greedy algorithm can always find more efficient solutions than greedy algorithm, and improve the tagSNP set of whole precinct indeed.
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An approximate greedy algorithm for tagSNP selection usinglinkage disequilibrium criteria
Ying Wang,Enmin Feng,Ruisheng Wang 한국전산응용수학회 2008 Journal of applied mathematics & informatics Vol.26 No.3-4
In this paper, we first construct a mathematical model for tagSNP selection based on LD measure r², then aiming at this kind of model, we develop an efficient algorithm, which is called approximate greedy algorithm. This algorithm is able to make up the disadvantage of the greedy algorithm for tagSNP selection. The key improvement of our approximate algorithm over greedy algorithm lies in that it adds local replacement(or local search) into the greedy search, tagSNP is replaced with the other SNP having greater similarity degree with it, and the local replacement is performed several times for a tagSNP so that it can improve the tagSNP set of the local precinct, thereby improve tagSNP set of whole precinct. The computational results prove that our approximate greedy algorithm can always find more efficient solutions than greedy algorithm, and improve the tagSNP set of whole precinct indeed.
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The effect of interaction between La2AlCoO6 and CuCl2 on ethane oxychlorination
Lirong Yang,Ruisheng Hu,Huan Li,Yun Jia,Qihua Zhou,Hongye Wang 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.56 No.-
Supported perovskite-type catalyst La2AlCoO6–CuCl2–g-Al2O3 was synthesized by impregnation–sol– gel–mechanical-mixing methods and characterized by means of XRD, BET, H2-TPR, XPS, O2-TPD and TGDSC techniques. It is found that there is a strong interaction between La2AlCoO6 and CuCl2. The catalyst La2AlCoO6–CuCl2–g-Al2O3 reduces the reduction activation energy of Cu2+! Cu+ and increases the amount of surface adsorbed oxygen species, which are advantageous to the transition of redox group Cu2 +/Cu+, therefore promote the catalytic performance. The catalyst La2AlCoO6–CuCl2–g-Al2O3 shows a superior catalytic activity for ethane oxychlorination with the C2H6 conversion of 100% and the C2H3Cl selectivity to 43.8%.
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Rui Sheng,Liping Gu,Zhiyuan Wang,Yang Liu,Yuanxiang Gu,Lei Wang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.124 No.-
For Zn anodes of aqueous rechargeable zinc-ion batteries, the poor electrochemical performance causedby undesirable zinc dendritic formation and side reactions limit their practical application. Herein, a Zn2+redistributor is created to reduce dendrites growth by inserting a cellulose triacetate (CTA) film as aninterlayer between the zinc anode and the separator. The zinc dendritic formation and side reactionscan be suppressed by the CTA interlayer. Consequently, the Zn anode covered by CTA interlayer exhibitshighly reversible plating/stripping behavior with lifetime exceeding 2500 h and 600 h at current densitiesof 1 and 5 mA cm2, respectively. In particular, the electrochemical performance of the full cells is investigatedby using VO2 as the cathode and the CTA as interlayer. The Zn + CTA||VO2 full cells exhibit superiorperformance including high reversible capacity (490.2 mAh g1 at 0.2 A g1), excellent cycle performance(60.2% and 71.5% capacity retention after 5000 cycles at 5 A g1 and 10 A g1) and superior rate performance. This work demonstrates that designing a CTA interlayer is considered a cost-effective strategy tolight up the practical application of aqueous zinc-ion batteries.
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