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RISS 인기검색어
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- 저자 : Wenwei Jiang (검색결과 4 건)
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Wenwei, Jiang,Qi, Yu,Lianjin, Bao,Mingguo, Liu,Jun, Ji,Dasui, Wang Council on Tall Building and Urban Habitat Korea 2019 International journal of high-rise buildings Vol.8 No.3
Three cases of supertall connected structures are presented and each of them represents a quite style. The first case is a strong-connected structure. The coupling function of towers and connector contributes a lot to the structural stiffness and stability. Its special construction scheme had great impact on the construction quality and the structural safety, and must be accurately considered. For the second case which is a weak-connected structure, the influences of different connecting modes to the structural dynamic characteristic were explained. Then the combined bearings were proposed to achieve the design presume. In the third case which represents the multi-supported structures, the structural distinctive mechanical properties were discussed. For the structural state during construction process is quite different from that in final service condition, two construction procedures were simulated to get an optimal one. Although there are great challenges to designers, the advantages of the supertall connected buildings are obvious. Further work is needed in this area to adapt to the development of future cities.
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A Critical Role of OsMADS1 in the Development of the Body of the Palea in Rice
Jianmin Wan,Wenwei Zhang,Jie Zhang,Yue Cai,Haigang Yan,Jie Jin,Xiaoman You,Liang Wang,Fei Kong,Ming Zheng,Guoxiang Wang,Ling Jiang 한국식물학회 2018 Journal of Plant Biology Vol.61 No.1
OsMADS1 plays crucial roles in the specification of floral organ identity and the determinacy of floral meristem in rice (Oryza sativa). Here we isolated a rice mutant cy15 with defective spikelets. Map-based cloning identified cy15 as a novel mutation in the C terminus of OsMADS1. Severe cy15 spikelets contained normal inner whorl organs but defective paleas, opposite to four abnormal whorls of Osmads1 flowers reported previously. In the cy15 spikelets, the size of the body was remarkably reduced in paleas, indicating a critical role of OsMADS1 in its differentiation. Moreover, the development of palea was impaired in the early stage of the cy15 spikelets. The sub-subcellular location of the mutant OsMADS1 was also affected in cy15. On the other hand, the truncated C terminus of the mutant OsMADS1 from cy15 still showed a significant transcriptional activator function. Meanwhile, though the mutant OsMADS1 retained intact M, I and K domains, its interactions with two highly homologous A-class proteins, OsMADS15 or OsMADS14, were weakened or abolished. Our data suggested that the C-terminal sequence of OsMADS1 might be required for maintaining normal morphology of spikelets in rice.
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Qizhang Long,Wenwei Zhang,Peng Wang,Wenbiao Shen,Tong Zhou,Nannan Liu,Ren Wang,Ling Jiang,Jiexue Huang,Yihua Wang,Yuqiang Liu,Jianmin Wan 한국식물학회 2013 Journal of Plant Biology Vol.56 No.4
Lipoxygenases (LOXs) are enzymes involved in lipid peroxidation. Here we reported the identification, molecular and functional characterization of the gene encoding rice (Oryza sativa L.) seed LOX3 (sLOX3). Via a map-based cloning strategy we identified Os03g0700400 as the candidate gene encoding sLOX3. Further functional complementary test and biochemical characterization of the recombinant Os03g0700400 protein verified the identification. The sLOX3 gene was highly expressed in roots, moderately in embryos and very weakly in leaves, leaf sheaths and stems. Transient expression experiment (in rice protoplasts) and subsequent laser confocal microscopic analysis demonstrated that the sLOX3 protein was localized into the cytosol. We next showed that overexpression of sLOX3 in a japonica sLOX3-normal rice cultivar, Wuyunjing 7 accelerated the decrease of seed germination ability when the seeds were routinely stored, which demonstrated that sLOX3 had a negative effect on seed longevity (storability). Meanwhile, an increased occurrence of embryo decay was observed in the same transgenic seeds, suggesting that sLOX3 might negatively affect seed longevity by facilitating colonization of particular seed pathogens. Our result forwarded the understanding of the effects of 9-LOX on rice seed longevity.
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Yuan Zhang,Wenwei Jiang,Yongsheng Ren,Baoming Wang,Yong Liu,Quanxian Hua,Jianwei Tang 한국화학공학회 2020 Korean Journal of Chemical Engineering Vol.37 No.3
2-chloro-4,6-dinitroresorcinol (CDNR) is detrimental to the environment and human health owing to its high toxicity and poor biodegradability. To demonstrate the feasibility of photocatalytic degradation of CDNR from industrial salty wastewater by borosilicate glass supported TiO2 under UV light irradiation, borosilicate glass supported TiO2 was prepared successfully by a novel sol-gel route via dip-coating method and characterized by XRD, SEM, FTIR and XPS analysis. The results showed that TiO2 catalyst has the anatase phase structure with crystallite size of 11.5 nm and coats uniformly on the borosilicate glass. Also, the effects of reaction time, pH value, TiO2 dosage, CDNR concentration, and Cl on the degradation efficiency of CDNR were investigated. The results indicated that at pH 2, reaction time 3.5 h, CDNR concentration 10mg/L, NaCl concentration 5.85% (w/w) and TiO2 dosage 1.0 g/L, 97.7% of CDNR was degraded in the presence of Cl, this corresponded to a rate constant of 1.05 h1, illustrating the feasibility of photocatalytic degradation process. This contribution provides a basic investigation regarding the potential application of borosilicate glass supported TiO2.
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