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| 1 | Phyllotaxis-inspired nanosieves with multiplexed orbital angular momentum显示文摘Nanophotonic platforms such as metasurfaces,achieving arbitrary phase profiles within ultrathin thickness,emerge as miniaturized,ultracompact and kaleidoscopic optical vortex generators.However,it is often required to segment or interleave independent sub-array metasurfaces to multiplex optical vortices in a single nano-device,which in turn affects the device’s compactness and channel capacity.Here,inspired by phyllotaxis patterns in pine cones and sunflowers,we theoretically prove and experimentally report that multiple optical vortices can be produced in a single compact phyllotaxis nanosieve,both in free space and on a chip,where one meta-atom may contribute to many vortices simultaneously.The time-resolved dynamics of on-chip interference wavefronts between multiple plasmonic vortices was revealed by ultrafast time-resolved photoemission electron microscopy.Our nature-inspired optical vortex generator would facilitate various vortex-related optical applications,including structured wavefront shaping,free-space and plasmonic vortices,and high-capacity information metaphotonics. | Zhongwei Jin David Janoschka Junhong Deng Lin Ge Pascal Dreher Bettina Frank Guangwei Hu Jincheng Ni Yuanjie Yang Jing Li Changyuan Yu Dangyuan Lei Guixin Li Shumin Xiao Shengtao Mei Harald Giessen Frank Meyer zu Heringdorf Cheng-Wei Qiu | 2021 | eLight2021，1，1： | 3 |
| 2 | Global attractivity of the predator-prey system for cotton aphid and seven-spot ladybird beetle with stage structure显示文摘 | Lifei Zheng Guixin Hu Huiyan Zhao M. K. D.K. Piyaratne Aying Wan | 2018 | International Journal of Biomathematics2018，11，1： | 1 |
| 3 | Stability in distribution of neutral stochastic functional differential equations with Markovian switching显示文摘 | Hu Guixin Wang Ke | 2012 | J Math Anal Appl2012，385，： | 1 |
| 4 | Biological fingerprinting analysis of the traditional Chinese prescription Longdan Xiegan Decoction by on/off-line comprehensive two-dimensional biochromatography显示文摘 | Yun Wang Liang Kong Lianghai Hu Xiaoyuan Lei Li Yang Guixin Chou Hanfa Zou Changhong Wang S.W. Annie Bligh Zhengtao Wang | 2007 | Journal of Chromatography B2007，，2： | 1 |
| 5 | EXISTENCE AND UNIQUENESS OF SOLUTIONS TO STOCHASTIC DIFFERENTIAL EQUATION WITH RANDOM COEFFICIENTS显示文摘This paper mainly deals with a stochastic differential equation (SDE) with random coefficients. Sufficient conditions which guarantee the existence and uniqueness of solutions to the equation are given. | Guixin Hu, Wang Ke (Dept. of Math., Harbin Institute of Technology, Weihai 264209, Shandong) | 2010 | Annals of Differential Equations2010，26，4： | 0 |
| 6 | Relationship between dietary amino acid release kinetics and nitrogen deposition in growing pigs显示文摘Although the protein content of swine diets is formulated based on the ileal digestibility of protein and amino acids(AA)under current nutrition requirements,the nitrogen utilization efficiency of swine varies based on protein source,which may be related to AA release kinetics.In this experiment,a 2×2 factorial arrangement with casein(CAS)-enriched or corn gluten meal(CGM)-enriched protein sources at different digestible crude protein levels(normal[N],13%;and low[L],11%)were applied to 24 crossbred(DurocLandraceYorkshire)growing pigs(average body weight=43.3±3.5 kg)in 4 treatments(N.CAS,L.CAS,N.CGM,L.CGM,respectively)to investigate the effects of AA release kinetics on nitrogen deposition in growing pigs.Standardized ileal digestible AA in all diets were balanced by adding individual AA to meet the nutrient requirements.The AA release kinetics were detected in vitro by measuring the hydrolysis of various protein diets under pepsin and trypsin conditions.The results demonstrated that the time of AA release peak in the CGM diet was 12 h later than that in the CAS diet.The synchronization indices of dietary AA release in N.CAS,N.CGM,L.CAS,and L.CGM were 23.73%,29.37%,23.40%,and 26.07%,respectively.The N.CGM had the poorest AA release synchronism while the N.CAS had the greatest among the 4 diets.However,within the pigs,L.CAS and N.CGM showed the highest(81.08%)and lowest(73.54%)nitrogen biological values,respectively,despite the standard ileal digestible AA levels being equal for all diets.These results indicate that the release kinetics of dietary AA had great effect on nitrogen deposition.To optimize nitrogen deposition,AA release kinetics and composition should be taken into consideration when formulating diets for growing pigs. | Qiyu Zhang Bin Wang Nianzhi Hu Nan Bao Li Pan Yuan Zhao Guixin Qin | 2022 | Animal Nutrition2022，，2： | 0 |
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