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| 1 | Recognition on the forming-vanishing process and underlying mechanisms of the hypoxia off the Yangtze River estuary显示文摘On the basis of compiled multidisciplinary historical data in 2006–2007 and incorporation of relevant simulation results and remote sensing data, we performed an in-depth study of the generation and dissipation process of the hypoxic zone and its distribution morphology and structure off the Yangtze River estuary. Based on the hydrological circulation dynamics, reproduction of phytoplankton(leading to the decomposition of organic matter), and other factors, we comprehensively and systematically investigated the generation and dissipation of the hypoxic zone and underlying mechanisms for the seasonal variation in its position, explored the multi-factorial synergistic reactions during the generation and dissipation process of the hypoxic zone, and revealed the controlled mechanism for the morphology and structure of the hypoxic zone's distribution. Our studies indicate that in the winter and spring seasons, the hydrological environment off the Yangtze River estuary provides a water body with relatively low contents of dissolved oxygen(DO), which is the background for the formation of a hypoxic zone. After entering into the summer season, the hypoxic zone gradually develops towards the north and becomes mature. Because of the impact of the terrain, local decomposition of organic matter, and upwelling of the Kuroshio subsurface water in July–August, the hypoxic zone off the Yangtze River estuary exhibits the characteristics of discontinuous distribution in space and has a south and north 'dual-core' structure in the inner continental shelf. In addition, there is a hypoxic core in the eastern outer continental shelf. The degrees of hypoxia vary for different areas; they are strongest overall in the north, next strongest in the south; they are weakest on the outer continental shelf. In summer, the hypoxic zone in the north is related to the northward differentiation of the southern hypoxic zone and results from local development and intensification. In August, the hypoxic zone in the north reaches its peak, and after September, it rapidly retreats southward and disappears because of weakening stratification. In the fall, there is hypoxic zone along the coast of Zhejiang in the south, and there is also a low-DO area to the southwest of Jeju Island, with both zones disappearing rapidly. In addition, the change of dynamic environment also causes the low-DO area of the outer continental shelf to move outward in the fall. The variation in the intensity of the stratification and its cumulative effects as a barrier of vertical DO transportation over long periods of time have a significant impact on the degree of hypoxia in the hypoxic zone. In addition, the seasonal variations in the size of the stratified region, intensity of each current system/water mass, upwelling, front, and high-value area of phytoplankton biomass jointly restrict the extension of the hypoxic zone in the inner continental shelf and latitudinal(south-north direction) movement of its location off the Yangtze River estuary. The combined effect of dynamic factors, such as that of the Kuroshio subsurface water, causes a low-DO core in the outer continental shelf. The bottom cold water to the north of the East China Sea is the dynamic basis for the formation of the low-DO area to the southwest of Jeju Island during the fall season. The special seabed topography and mud area distribution off the Yangtze River estuary have a certain degree of influence on the development of the hypoxic zone. The generation and dissipation of the hypoxic zone and its distribution morphology off the Yangtze River estuary, and seasonal variation of its structure and position are a result of the synergistic effects of various factors. | WEI QinSheng WANG BaoDong CHEN JianFang XIA ChangShui QU DaPeng XIE LinPing | 2015 | Science China Earth Sciences2015，58，4： | 15 |
| 2 | Influences of the surface wave-induced mixing and tidal mixing on the vertical temperature structure of the Yellow and East China Seas in summer显示文摘在影响垂直混合的物理过程的一个分类以后,扩散性由表面波浪动量和潮汐的水流导致了,它对垂直温度结构的影响被讨论。在三上基于混合计划黄和华东海(YECS ) 的垂直温度结构被模仿。结果在夏天显示出那,导致波浪的混合玩的表面处于良好的竟技状态在 YECS 的上面的混合的层的一个关键角色。潮汐的混合在底部上面在 30 m 以内控制更低的层,它是处于良好的竟技状态在南部的黄海(YS ) 的塑造站台的温度结构的主要因素。和强壮的表面导致波浪的混合,潮汐的混合让 thermocline 在南部的 YS 的东方海岸附近通气。在东方脊骨海的更深的层的双冷核心有不同原因。西方的是冬季寒冷水的维护,当东方的被循环设置时。有表面的 YECS 的模仿的垂直温度结构导致波浪的混合并且潮汐的混合有类似的特征到观察,它显示这些混合过程是在模仿沿海的海洋的 thermocline 和 pycnocline 的关键因素。 | QIAO Fangli MA Jian XIA Changshui YANG Yongzeng YUAN Yeli | 2006 | Progress in Natural Science:Materials International2006，16，7： | 14 |
| 3 | The role of surface waves in the ocean mixed layer显示文摘Previously,most ocean circulation models have overlooked the role of the surface waves.As a result,these models have produced insufficient vertical mixing,with an under-prediction of the mixing layer(ML)depth and an over-prediction of the sea surface temperature(SST),particularly during the summer season.As the ocean surface layer determines the lower boundary conditions of the atmosphere,this deficiency has severely limited the performance of the coupled ocean-atmospheric models and hence the climate studies.To overcome this shortcoming,a new parameterization for the wave effects in the ML model that will correct this systematic error of insufficient mixing.The new scheme has enabled the mixing layer to deepen,the surface excessive heating to be corrected,and an excellent agreement with observed global climatologic data.The study indicates that the surface waves are essential for ML formation,and that they are the primer drivers of the upper ocean dynamics;therefore,they are critical for climate studies. | QIAO Fangli YANG Yongzeng XIA Changshui YUAN Yeli | 2008 | Acta Oceanologica Sinica2008，27，3： | 13 |
| 4 | A numerical study of summertime expansion pattern of Changjiang (Yangtze) River diluted water显示文摘Observations show that during summer especially in August, the northward expansion of the Changjiang(Yangtze) River diluted water (CRDW) is blocked in the vicinity of the Changjiang Estuary. To explain this phenomenon, Princeton ocean model (POM) is applied to simulate the summertime expansion pattern of CRDW. Numerical experiments show that to the north of the Changjiang Estuary, a tide-induced temperature front of a cold water centered at (34°N,122.5°E) plays the key role in determining the expansion pattern of CRDW. This front splits the CRDW into two parts: the main part expands northeastward, and the other small part expands northwestward off the coast of Jiangsu Province, China. | SHAN Feng QIAO Fangli XIA Changshui | 2009 | Acta Oceanologica Sinica2009，28，3： | 6 |
| 5 | The numerical investigation of seasonal variation of the cold water mass in the Beibu Gulf and its mechanisms显示文摘A wave-tide-circulation coupled model based on the Princeton Ocean Model is established to explore the seasonal variation of the cold water mass in the Beibu Gulf and its mechanisms. The results show that the cold water mass starts forming in March, reaches the maximum strength during June and July, and fades away since October. Strong mixing in winter transports the cold water from sea surface to bottom. The cold water mass remains in the bottom layer as the thermocline strengthens during spring, except for the shallow water where the themocline is broken by strong tidal mixing, which gradually separate the cold water mass from its surrounding warm water. Further analysis on the ocean current and stream function confirms that the cold water mass in the Beibu Gulf is locally developed, with an anticlockwise circulation caused by a strong temperature gradient. Sensitivity experiments reveal that the cold water mass is controlled by the sea surface heat flux, while the terrain and tidal mixing also play important roles. | CHEN Zhenhua QIAO Fangli XIA Changshui WANG Gang | 2015 | Acta Oceanologica Sinica2015，34，1： | 5 |
| 6 | Verification of an operational ocean circulation-surface wave coupled forecasting system for the China's seas显示文摘An operational ocean circulation-surface wave coupled forecasting system for the seas off China and adjacent areas(OCFS-C) is developed based on parallelized circulation and wave models. It has been in operation since November 1, 2007. In this paper we comprehensively present the simulation and verification of the system, whose distinguishing feature is that the wave-induced mixing is coupled in the circulation model. In particular, with nested technique the resolution in the China's seas has been updated to(1/24)° from the global model with(1/2)°resolution. Besides, daily remote sensing sea surface temperature(SST) data have been assimilated into the model to generate a hot restart field for OCFS-C. Moreover, inter-comparisons between forecasting and independent observational data are performed to evaluate the effectiveness of OCFS-C in upper-ocean quantities predictions, including SST, mixed layer depth(MLD) and subsurface temperature. Except in conventional statistical metrics, non-dimensional skill scores(SS) is also used to evaluate forecast skill. Observations from buoys and Argo profiles are used for lead time and real time validations, which give a large SS value(more than 0.90). Besides, prediction skill for the seasonal variation of SST is confirmed. Comparisons of subsurface temperatures with Argo profiles data indicate that OCFS-C has low skill in predicting subsurface temperatures between 100 m and 150 m. Nevertheless, inter-comparisons of MLD reveal that the MLD from model is shallower than that from Argo profiles by about 12 m, i.e., OCFS-C is successful and steady in MLD predictions. Validation of 1-d, 2-d and 3-d forecasting SST shows that our operational ocean circulation-surface wave coupled forecasting model has reasonable accuracy in the upper ocean. | WANG Guansuo ZHAO Chang XU Jiangling QIAO Fangli XIA Changshui | 2016 | Acta Oceanologica Sinica2016，35，2： | 5 |
| 7 | Constraint-induced movement therapy promotes brain functional reorganization in stroke patients with hemiplegia显示文摘Stroke patients with hemiplegia exhibit flexor spasms in the upper limb and extensor spasms in the lower limb, and their movement patterns vary greatly. Constraint-induced movement therapy is an upper limb rehabilitation technique used in stroke patients with hemiplegia; however, studies of lower extremity rehabilitation are scarce. In this study, stroke patients with lower limb hemiplegia underwent conventional Bobath therapy for 4 weeks as baseline treatment, followed by constraint-induced movement therapy for an additional 4 weeks. The 10-m maximum walking speed and Berg balance scale scores significantly improved following treatment, and lower extremity motor function also improved. The results of functional MRI showed that constraint-induced movement therapy alleviates the reduction in cerebral functional activation in patients, which indicates activation of functional brain regions and a significant increase in cerebral blood perfusion. These results demonstrate that constraint-induced movement therapy promotes brain functional reorganization in stroke patients with lower limb hemiplegia. | Wenqing Wang Aihui Wang Limin Yu Xuesong Han Guiyun Jiang Changshui Weng Hongwei Zhang Zhiqiang Zhou | 2012 | Neural Regeneration Research2012，7，32： | 4 |
| 8 | Changes in nerve microcirculation following peripheral nerve compression显示文摘Following peripheral nerve compression, peripheral nerve microcirculation plays important roles in regulating the nerve microenvironment and neurotrophic substances, supplying blood and oxygen and maintaining neural conduction and axonal transport. This paper has retrospectively analyzed the articles published in the past 10 years that addressed the relationship between peripheral nerve compression and changes in intraneural microcirculation. In addition, we describe changes in different peripheral nerves, with the aim of providing help for further studies in peripheral nerve microcirculation and understanding its protective mechanism, and exploring new clinical methods for treating peripheral nerve compression from the perspective of neural microcirculation. | Yueming Gao Changshui Weng Xinglin Wang | 2013 | Neural Regeneration Research2013，8，11： | 4 |
| 9 | The role of connexin43 in neuropathic pain induced by spinal cord injury显示文摘Neuropathic pain is caused by the damage or dysfunction of the nervous system. In many neuropathic pain models, there is an increase in the number of gap junction (GJ) channels, especially the upregulation of the expression of connexin43 (Cx43), leading to the secretion of various types of cytokines and involvement in the formation of neuropathic pain. GJs are widely distributed in mammalian organs and tissues, and Cx43 is the most abundant connexin (Cx) in mammals. Astrocytes are the most abundant glial cell type in the central nervous system (CNS),which mainly express Cx43. More importantly, GJs play an important role in regulating cell metabolism, signaling, and function. Many existing literatures showed that Cx43 plays an important role in the nervous system, especially in the CNS under normal and pathological conditions. However, many internal mechanisms have not yet been thoroughly explored. In this review, we summarized the current understanding of the role and association of Cx and pannexin chan nets in neuropathic pain, especially after spinal cord injury, as well as some of our own in sights and thoughts which suggest that Cx43 may become an emerging therapeutic target for future neuropathic pain, bringing new hope to patients. | Anhui Wang Changshui Xu | 2019 | Acta Biochimica et Biophysica Sinica2019，51，6： | 4 |
| 10 | STRUCTURE PARAMETERS DESIGN AND PERFORMANCE TEST OF FUEL INJECTION SYSTEM显示文摘基于数字模拟分析,高压力燃料泵的结构参数和象流动 limiter 一样的普通栏杆被设计并且 GD-1 高压力普通栏杆燃料注射系统自我开发。燃料注射特征实验在 GD-1 系统上被执行。并且双因素变化分析被使用在燃料注射数量的一致性上调查栏杆压力和注射脉搏宽度的影响,这样测试结构参数的设计是否因此是健全的。实验和测试的结果证明象 theirmutual 效果一样的栏杆压力和注射脉搏宽度没在注射数量一致性上有影响,它证明结构参数设计是成功的, GD-1 系统的性能是健全的。 | WU Changshui YU Jinxia YANG Lin ZHUO Bin | 2006 | Chinese Journal of Mechanical Engineering2006，19，3： | 4 |
| 11 | A numerical investigation into the long-term behaviors of Fukushima-derived ^(137)Cs in the ocean显示文摘The Fukushima nuclear accident in 2011 released large amounts of radionuclides, including ^(137)Cs, into the Pacific Ocean. A quasi-global ocean radioactive transport model with horizontal grid spacing of 0.5°×0.5° and 21 vertical layers was thereafter established to study the long-term transport of the Fukushima-derived ^(137)Cs in the ocean.The simulation shows that the plume of ^(137)Cs would be rapidly transported eastward alongside the Kuroshio Current and its extensions. Contaminated waters with concentrations lower than 2 Bq/m3 would reach the west coast of North America 4 or 5 years after the accident. The ^(137)Cs tends to be carried, despite its very low concentration, into the Indian and South Pacific Oceans by 2016 via various branches of ocean currents.Meanwhile, the ^(137)Cs concentrations in the western part of the North Pacific Ocean decrease rapidly with time. Up to now the highly contaminated waters have remained in the upper 400 m, showing no evidence of significant penetration to deeper layers. | ZHAO Chang WANG Gang QIAO Fangli WANG Guansuo JUNG Kyung-Tae XIA Changshui | 2015 | Acta Oceanologica Sinica2015，34，12： | 3 |
| 12 | Case study on the three-dimensional structure of meso-scale eddy in the South China Sea based on a high-resolution model显示文摘Meso-scale eddies are important features in the South China Sea(SCS). The eddies with diameters of 50–200 km can greatly impact the transport of heat, momentum, and tracers. A high-resolution wave-tide-circulation coupled model was developed to simulate the meso-scale eddy in the SCS in this study. The aim of this study is to examine the model ability to simulate the meso-scale eddy in the SCS without data assimilations The simulated Sea Surface Height(SSH) anomalies agree with the observed the AVISO SSH anomalies well. The simulated subsurface temperature profiles agree with the CTD observation data from the ROSE(Responses of Marine Hazards to climate change in the Western Pacific) project. The simulated upper-ocean currents also agree with the main circulation based on observations. A warm eddy is identified in winter in the northern SCS. The position and domain of the simulated eddy are confirmed by the observed sea surface height data from the AVISO. The result shows that the model has the ability to simulate the meso-scale eddy in the SCS without data assimilation.The three-dimensional structure of the meso-scale eddy in the SCS is analyzed using the model result. It is found that the eddy center is tilted vertically, which agrees with the observation. It is also found that the velocity center of the eddy does not coincide with the temperature center of the eddy. The result shows that the model has the ability to simulate the meso-scale eddy in the SCS without data assimilations. Further study on the forming mechanism and the three-dimensional structure of the meso-scale eddies will be carried out using the model result and cruise observation data in the near future. | XIA Changshui JUNG Kyung Tae WANG Guansuo YIN Xunqiang GUO Jingsong | 2016 | Acta Oceanologica Sinica2016，35，2： | 3 |
| 13 | A numerical study of the wintertime double-warm-tongue structure in the Huanghai(Yellow) Sea显示文摘Satellite remote sensing observations show that during winter, sea surface temperature (SST) presents the structure of double warm tongues in the Huanghai Sea trough: the western and the eastern warm tongues. Numerical experiments based on POM are carried out to study the forming mechanism of this thermal structure and its relation to the Huanghai Sea Warm Current (HSWC). The control experiment reproduces this phenomenon quite well, and comparing experiments inves-tigate the effect of wind and tide. It is found that the western warm tongue is mainly caused by the HSWC, which can be strengthened by wintertime southward wind. The eastern warm tongue develops under the influence of an anti-clockwise circulation which is induced by the temperature front of the Huanghai Sea Cold Water Mass (HSCWM) in summer and autumn. In the eastern portion of this circulation, the northward current carries warm water to the north, forming the eastern warm tongue, which remains till winter. | SHAN Feng QIAO Fangli LU Xingang XIA Changshui | 2009 | Acta Oceanologica Sinica2009，28，4： | 3 |
| 14 | First-passage failure of harmonically and stochastically excited Duffing oscillator with delayed feedback control显示文摘The first-passage failure of Duffing oscillator with the delayed feedback control under the combined harmonic and white-noise excitations is investigated. First, the time-delayed feedback control force is expressed approximately in terms of the system state variables without time delay. Then, the averaged It? stochastic differential equations for the system are derived by using the stochastic averaging method. A backward Kolmogorov equation governing the conditional reliability function and a set of generalized Pontryagin equations governing the conditional moments of the first-passage time are established. Finally, the conditional reliability function, the conditional probability density and moments of the first-passage time are obtained by solving the backward Kolmogorov equation and generalized Pontryagin equations with suitable initial and boundary conditions. The effects of time delay in feedback control force on the conditional reliability function, conditional probability density and moments of the first-passage time are analyzed. The validity of the proposed method is confirmed by digital simulation. | FENG ChangShui ZHU WeiQiu | 2011 | Science China(Technological Sciences)2011，54，5： | 3 |
| 15 | Regional cerebral blood flow imaging assessment of brain function reconstruction in elderly hemiplegia patients by body weight support treadmill training显示文摘The mechanism underlying body weight support treadmill training in elderly hemiplegic stroke patients is largely unknown.This study aimed to elucidate the changes of cortical blood flow in seven elderly patients with post-stroke hemiplegia before and after body weight support treadmill training by semi-quantitative analysis of regional cerebral blood flow assessed by single photon emission computed tomography.Body weight support treadmill training for 6 months was effective in improving cerebral blood flow and promoting the walking speed and balance recovery in elderly patients with post-stroke hemiplegia. | Wenqing Wang Yongping Liu Diqing Wang Yanshuang Li Jinglai Hao Hongwei Zhang Sheng Bi Changshui Weng | 2011 | Neural Regeneration Research2011，6，17： | 3 |
| 16 | STOCHASTIC OPTIMAL CONTROL OF STRONGLY NONLINEAR SYSTEMS UNDER WIDE-BAND RANDOM EXCITATION WITH ACTUATOR SATURATION显示文摘为在有致动器浸透的非白种人的宽带随机刺激下面的强烈非线性的系统的围住的最佳的控制策略被建议。首先,随机的平均方法用概括泛音功能在宽带随机刺激下面为控制强烈非线性的系统被介绍。然后,为浸透的控制问题的动态编程方程被提出从部分平均它吗?方程基于动态编程原则。由无界的最佳的控制组成的最佳的控制和围住的枪战影片控制被解决动态编程方程决定。最后,最佳地控制的系统的反应被解决方程与联系了的减少的 Fokker-Planck-Kolmogorov (FPK ) 预言完成平均它吗?方程。一个例子被给说明建议控制策略。数字结果证明建议控制策略有高控制有效性和效率并且啁啾显著地被减少与枪战影片作比较控制策略。 | Changshui Feng Weiqiu Zhu | 2008 | Acta Mechanica Solida Sinica2008，21，2： | 3 |
| 17 | Facet Engineering of Advanced Electrocatalysts Toward Hydrogen/Oxygen Evolution Reactions显示文摘The electrocatalytic water splitting technology can generate highpurity hydrogen without emitting carbon dioxide,which is in favor of relieving environmental pollution and energy crisis and achieving carbon neutrality.Electrocatalysts can effectively reduce the reaction energy barrier and increase the reaction efficiency.Facet engineering is considered as a promising strategy in controlling the ratio of desired crystal planes on the surface.Owing to the anisotropy,crystal planes with different orientations usually feature facet-dependent physical and chemical properties,leading to differences in the adsorption energies of oxygen or hydrogen intermediates,and thus exhibit varied electrocatalytic activity toward hydrogen evolution reaction(HER)and oxygen evolution reaction(OER).In this review,a brief introduction of the basic concepts,fundamental understanding of the reaction mechanisms as well as key evaluating parameters for both HER and OER are provided.The formation mechanisms of the crystal facets are comprehensively overviewed aiming to give scientific theory guides to realize dominant crystal planes.Subsequently,three strategies of selective capping agent,selective etching agent,and coordination modulation to tune crystal planes are comprehensively summarized.Then,we present an overview of significant contributions of facet-engineered catalysts toward HER,OER,and overall water splitting.In particular,we highlight that density functional theory calculations play an indispensable role in unveiling the structure–activity correlation between the crystal plane and catalytic activity.Finally,the remaining challenges in facet-engineered catalysts for HER and OER are provided and future prospects for designing advanced facet-engineered electrocatalysts are discussed. | Changshui Wang Qian Zhang Bing Yan Bo You Jiaojiao Zheng Li Feng Chunmei Zhang Shaohua Jiang Wei Chen Shuijian He | 2023 | Nano-Micro Letters2023，15，4： | 2 |
| 18 | The summertime circulation of the Bohai Sea simulated from a high-resolution wave-tide-circulation coupled model显示文摘The Bohai Sea is a shallow semi-enclosed inner sea with an average depth of 18 m and is located at the west of the northern Yellow Sea. The climatological circulation pattern in summer of the Bohai Sea is studied by using a wave-tide-circulation coupled model. The simulated temperature and the circulation agree with the observation well. The result shows that the circulation pattern of the Bohai Sea is jointly influenced by the tidal residual current, wind and baroclinic current. There exists an obvious density current along the temperature front from the west part of the Liaodong Bay to the offshore area of the Huanghe Estuary. In the Liaodong Bay there exists a clockwise gyre in the area north to the 40°N. While in the area south to the 40°N the circulation shows a two-gyre structure, the flow from the offshore area of the Huanghe Estuary to the Liaodong Bay splits into two branches in the area between 39°N and 40°N. The west branch turns into north-west and forms an anti-clockwise gyre with the south-westward density current off the west of the Liaodong Bay. The east branch turns to the east and forms a clockwise gyre with the flow along the east coast of the Liaodong Bay. The forming mechanism of the circulation is also discussed in this paper. | Changshui Xia Jingsong Guo Guansuo Wang Zhenhua Chen Xiaodi Kuang | 2019 | Acta Oceanologica Sinica2019，38，1： | 2 |
| 19 | Polymorphism analysis of PARK2 gene mutations in Han Chinese patients with early-onset Parkinson's disease显示文摘The PARK2 gene is a common disease gene in Han Chinese patients with Parkinson's disease. The detection of mutations in the PARK2 gene remains low. To investigate the role PARK2 gene mutations play in the pathogenesis of Parkinson's disease, 30 Han Chinese patients with early-onset Parkinson's disease and 38 normal controls were studied to determine the sequence changes of 1, 4, 6 and 7 exon sections. In the 30 patients with Parkinson's disease, a heterozygous intron mutation (nt 119, G→G/A) in exon 1 was detected in one case; a homozygous intron mutation (nt 526500, T→C) between intron 3 and exon 4 in fourteen cases was found; a heterozygous intron mutation (nt 526607, G→G/A) between intron 3 and exon 4 was observed in eight cases; an exon 6 missense mutation (nt 754317, C→C/T; codon 193, CGG→CGG/TGG; aa 193, Arg→Arg/Trp) in three cases was seen; and an exon 7 missense mutation (nt 941943, C→A/C; codon 272, CTC→CTC/ATC; aa 272, Leu→Leu/Ile) was found in one case. These changes were not found in the normal population. The results indicated that the PARK2 exons 6 and 7 mutations are possibly pathogenic mutations, along with the intron 3-exon 4 and exon 1 mutations. PARK2 gene mutations are possible factors leading to the onset of Parkinson's disease. | Yuancheng Bao Ting Guan Yuanxun Yu Huaizhou Jiang Changshui Fang Lijuan Chen | 2010 | Neural Regeneration Research2010，5，20： | 2 |
| 20 | Optical properties of NAEC-PMMA nonlinear polymeric thin film显示文摘 | Zhihui Qin Changshui Fang Qiwei Pan Qingtian Gu Feng Chen Feng Li Jinzhong Yu | 2002 | Journal of Materials Science2002，，22： | 1 |
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