Two new compounds, namely taenialactam C and globorin A（1 and 2）, as well as six known compounds,cornoside（3）, 2-phenylethyl-b-D-glucoside（4）, 3-isopropyl-5-acetoxycyclohexene-2-one-1（5）, 4-methyl-phenol（6）,...Two new compounds, namely taenialactam C and globorin A（1 and 2）, as well as six known compounds,cornoside（3）, 2-phenylethyl-b-D-glucoside（4）, 3-isopropyl-5-acetoxycyclohexene-2-one-1（5）, 4-methyl-phenol（6）, 5-[（2S）-2-aminobutyl]-2-methyl-phenol（7）, and 1-（4-methylphenyl）-1-propanone（8） were isolated from wild Phaeocystis globosa. The structures of the new compounds were established by detailed spectroscopic analysis and by comparison with spectral data of related known compounds.The structures of the known compounds were identified by comparing their spectroscopic data with those reported in the literature. This paper also reports toxicity properties of the eight compounds against the brine shrimp Artemia salina and juvenile Epinephelus akaara fish. Some of these compounds showed significant lethality on the brine shrimp A. salina and the juvenile E. akaara fish.展开更多
In this work the existence of solutions of one-dimensional backward doubly stochastic differential equations （BDSDEs） with coefficients left-Lipschitz in y （may be discontinuous） and Lipschitz in z is studied. Als...In this work the existence of solutions of one-dimensional backward doubly stochastic differential equations （BDSDEs） with coefficients left-Lipschitz in y （may be discontinuous） and Lipschitz in z is studied. Also, the associated comparison theorem is obtained.展开更多
A type of infinite horizon forward-backward doubly stochastic differential equations is studied.Under some monotonicity assumptions,the existence and uniqueness results for measurable solutions are established by mean...A type of infinite horizon forward-backward doubly stochastic differential equations is studied.Under some monotonicity assumptions,the existence and uniqueness results for measurable solutions are established by means of homotopy method.A probabilistic interpretation for solutions to a class of stochastic partial differential equations combined with algebra equations is given.A significant feature of this result is that the forward component of the FBDSDEs is coupled with the backward variable.展开更多
基金supported by grants from National Natural Science Foundation of China (No. 31100260, 81260480, and 41566004)National Natural Science Foundation of Guangxi (No. 2011GXNSFE018002)+1 种基金Guangxi Key Laboratory of Marine Environmental Science, Guangxi Academy of Sciences (No. GXKLHY13-06)Foundation of Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences (No. 201210ZS)
文摘Two new compounds, namely taenialactam C and globorin A（1 and 2）, as well as six known compounds,cornoside（3）, 2-phenylethyl-b-D-glucoside（4）, 3-isopropyl-5-acetoxycyclohexene-2-one-1（5）, 4-methyl-phenol（6）, 5-[（2S）-2-aminobutyl]-2-methyl-phenol（7）, and 1-（4-methylphenyl）-1-propanone（8） were isolated from wild Phaeocystis globosa. The structures of the new compounds were established by detailed spectroscopic analysis and by comparison with spectral data of related known compounds.The structures of the known compounds were identified by comparing their spectroscopic data with those reported in the literature. This paper also reports toxicity properties of the eight compounds against the brine shrimp Artemia salina and juvenile Epinephelus akaara fish. Some of these compounds showed significant lethality on the brine shrimp A. salina and the juvenile E. akaara fish.
基金Supported by the National Natural Science Foundation of China(Nos.11371226,11071145,11301298,11201268 and 11231005)Foundation for Innovative Research Groups of National Natural Science Foundation of China(No.11221061)+1 种基金the 111 Project(No.B12023)Natural Science Foundation of Shandong Province of China(ZR2012AQ013)
文摘In this work the existence of solutions of one-dimensional backward doubly stochastic differential equations （BDSDEs） with coefficients left-Lipschitz in y （may be discontinuous） and Lipschitz in z is studied. Also, the associated comparison theorem is obtained.
基金supported by the National Natural Science Foundation of China(Nos.11871309,11671229,11701040,61871058,11871010)Fundamental Research Funds for the Central Universities(2019XD-A11)+3 种基金National Key R&D Program of China(2018YFA0703900)Natural Science Foundation of Shandong Province(Nos.ZR2020MA032,ZR2019MA013)Special Funds of Taishan Scholar Project(tsqn20161041)by the Fostering Project of Dominant Discipline and Talent Team of Shandong Province Higher Education Institutions。
文摘A type of infinite horizon forward-backward doubly stochastic differential equations is studied.Under some monotonicity assumptions,the existence and uniqueness results for measurable solutions are established by means of homotopy method.A probabilistic interpretation for solutions to a class of stochastic partial differential equations combined with algebra equations is given.A significant feature of this result is that the forward component of the FBDSDEs is coupled with the backward variable.
