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| 1 | Symmetry Reduction and Exact Solutions of a Hyperbolic Monge-Ampère Equation显示文摘By means of the classical symmetry method,a hyperbolic Monge-Ampère equation is investigated.The symmetry group is studied and its corresponding group invariant solutions are constructed.Based on the associated vector of the obtained symmetry,the authors construct the group-invariant optimal system of the hyperbolic Monge-Ampère equation,from which two interesting classes of solutions to the hyperbolic Monge-Ampère equation are obtained successfully. | Zhongzhou DONG Yong CHEN Dexing KONG Zenggui WANG | 2012 | Chinese Annals of Mathematics,Series B2012，33，2： | 4 |
| 2 | Evolution of the Late Miocene atoll systems offshore Xisha Islands显示文摘Modern atolls have been studied systematically and thoroughly in the South China Sea.However,the knowledge of a paleo-atoll and related sedimentary system is very limited.Here we used the newly acquired high resolution 2D seismic data,and discovered three late Miocene atoll systems in the offshore Xisha Islands for the first time.We named them atoll system A,B,C,respectively.These three atoll systems,all developed on the horsts dominated by normal fault,consist mainly of atoll reefs,patch reefs,fore-reef slope deposits,and lagoons.On the basis of the interpreted sequence stratigraphic framework and the identification of fore-reef slope deposits,we suggested only the atoll system A continued to grow until Quaternary,and both of atoll system B and C had been drowned in Pliocene.In late Miocene,the atoll systems in the study area were most developed,either in magnitude or in maturity,which indicated late Miocene was the most flourishing period of reef builders,and this was in accordance with the drilling result of ODP Leg 184 in the South China Sea.Pliocene was an important reef drowning period in the study area,and both atoll systems B and C were drowned and hemipelagic deposits prevailed gradually.Quaternary was another reef drowning period in the study area,two large atoll reefs grown on the atoll system A were finally drowned,and hemipelagic deposits begun to drape and fill the palaeo-atoll systems.The growth and drowning of atolls are controlled mainly by tectonic subsidence in long term,but global eustatic can impact it in short term also. | KUANG ZengGui GUO YiQun WANG LiaoLiang LIANG JinQiang SHA ZhiBin | 2014 | Science China Earth Sciences2014，57，12： | 3 |
| 3 | Physical characters of KLS time-periodic universe显示文摘In this paper we consider the physical characters of the new time-periodic solution of the vacuum Einstein’s field equations which was constructed by Kong, Liu and Shen. By the analysis of the Penrose diagram associated with this solution, we find that this solution is very different from the other solutions. | WANG ZengGui 1,21 Department of Mathematics, Shanghai Jiaotong University, Shanghai 200240, China 2 School of Mathematical Science, Liaocheng University, Liaocheng 252059, China | 2010 | Science China Mathematics2010，53，1： | 2 |
| 4 | Multiple positive solutions of the singular boundary value problems for second-order differential equations on the half-line显示文摘 | LIU Lishan WANG Zenggui WU Yonghong | 2009 | Nonliner Analysis2009，71，： | 1 |
| 5 | Hyperbolic mean curvature flow: Evolution of plane curves显示文摘 | Kong Dexing Liu Kefeng Wang Zenggui | 2009 | Acta Mathematica Scientia (A special issue dedicated to Professor Wu Wenjun''s 90th birthday)2009，29，： | 1 |
| 6 | Formation of singularities in the motion of plane curves under hyperbolic mean curvature flow显示文摘 | Kong Dexing Wang Zenggui | 2009 | J Differential Equations2009，247，： | 1 |
| 7 | Geomorphological-geological-geophysical signatures of high-flux fluid flows in the eastern Pearl River Mouth Basin and effects on gas hydrate accumulation显示文摘Marine hydrate reservoirs can be divided into focused high-flux and distributed low-flux gas hydrate systems according to free gas migration control mechanisms. In focused high-flux hydrate reservoirs, fluids easily break through the pressure of overlying sediments and reach the shallows, creating a series of geomorphological-geological-geophysical anomalies at and near the seafloor. Based on detailed interpretation of pre-drilling data in the eastern Pearl River Mouth Basin(PRMB),many anomalies related to the high-flux fluid flow are found, including seafloor mounds with intrusive characteristics, bright spot reflections above the bottom-stimulating reflector(BSR), phase reversals in the superficial layer, and an efficient fluid migration and accumulation system composed of fractures and uplifts. The second hydrate drilling expedition was carried out in the eastern PRMB in 2013 to study these anomalies. The acquired data show that high-flux fluid flow occurred in these sites. Gas hydrate pingoes, bright spot reflection above the BSR, and an efficient fluid migration and accumulation system can be used as identification signatures for high-flux fluid migration. The modes of high flux fluid flow are different in deep and shallow sediments during upward migration of fluid. Gas dissolved within migrating water dominates deep fluid migration and upward migration of a separate gas phase dominates the shallow process. This difference in migration models leads to formation of upper and lower concentrated hydrate reservoirs in the drilling area. The discovery of signatures of high-flux fluid flow and their migration modes will help with site selection and reduce risk in gas hydrate drilling. | Zenggui KUANG Yunxin FANG Jinqiang LIANG Jing'an LU Lei WANG | 2018 | Science China Earth Sciences2018，61，7： | 1 |
| 8 | Multiple positive solutions of the singular boundary value problems for second- order differential equations on the half-line显示文摘 | LIU Lishan WANG Zenggui WU Yonghong | 2009 | Nonliner Analysis2009，71，： | 1 |
| 9 | Occurrence of Diaphorina citri in Guangxi and Integrated Control Technique显示文摘In order to promote the healthy and sustainable development of citrus industry in Guangxi and reduce the harm of Diaphorina citri and citrus Huanglongbing on citrus industry,the paper summarizes the occurrence of D.citri in Guangxi,and put forward comprehensive control technique,so as to provide the reference for guiding prevention and control of major pests in citrus industry. | Jimin LIU Guoguo LI Nina WANG Tiejun DENG Maofu LI Zenggui LUO Qingping HE Huihong LIAO Shaolong WEI Zhikang ZENG Qichun HUANG | 2023 | Plant Diseases and Pests2023，14，1： | 0 |
| 10 | THE CAUCHY PROBLEMS FOR DISSIPATIVE HYPERBOLIC MEAN CURVATURE FLOW显示文摘In this paper, we investigate initial value problems for hyperbolic mean curvature flow with a dissipative term. By means of support functions of a convex curve, a hyperbolic Monge-Amp[ere equation is derived, and this equation could be reduced to the first order quasilinear systems in Riemann invariants. Using the theory of the local solutions of Cauchy problems for quasilinear hyperbolic systems, we discuss lower bounds on life-span of classical solutions to Cauchy problems for dissipative hyperbolic mean curvature flow. | Shixia Lv Zenggui Wang | 2019 | Annals of Applied Mathematics2019，35，2： | 0 |
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