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| 1 | Hybrid artificial bee colony algorithm with variable neighborhood search and memory mechanism显示文摘Artificial bee colony(ABC) is one of the most popular swarm intelligence optimization algorithms which have been widely used in numerical optimization and engineering applications. However, there are still deficiencies in ABC regarding its local search ability and global search efficiency. Aiming at these deficiencies,an ABC variant named hybrid ABC(HABC) algorithm is proposed.Firstly, the variable neighborhood search factor is added to the solution search equation, which can enhance the local search ability and increase the population diversity. Secondly, inspired by the neuroscience investigation of real honeybees, the memory mechanism is put forward, which assumes the artificial bees can remember their past successful experiences and further guide the subsequent foraging behavior. The proposed memory mechanism is used to improve the global search efficiency. Finally, the results of comparison on a set of ten benchmark functions demonstrate the superiority of HABC. | FAN Chengli FU Qiang LONG Guangzheng XING Qinghua | 2018 | Journal of Systems Engineering and Electronics2018，29，2： | 49 |
| 2 | Recent advances in cell sheet technology for bone and cartilage regeneration: from preparation to application显示文摘Bone defects caused by trauma,tumour resection,infection and congenital deformities,together with articular cartilage defects and cartilage–subchondral bone complex defects caused by trauma and degenerative diseases,remain great challenges for clinicians.Novel strategies utilising cell sheet technology to enhance bone and cartilage regeneration are being developed.The cell sheet technology has shown great clinical potential in regenerative medicine due to its effective preservation of cell–cell connections and extracellular matrix and its scaffold-free nature.This review will first introduce several widely used cell sheet preparation systems,including traditional approaches and recent improvements,as well as their advantages and shortcomings.Recent advances in utilising cell sheet technology to regenerate bone or cartilage defects and bone–cartilage complex defects will be reviewed.The key challenges and future research directions for the application of cell sheet technology in bone and cartilage regeneration will also be discussed. | Yuezhi Lu Wenjie Zhang Jie Wang Guangzheng Yang Shi Yin Tingting Tang Chunhua Yu Xinquan Jiang | 2019 | International Journal of Oral Science2019，11，2： | 14 |
| 3 | Marginal sealing around integral bilayer scaffolds for repairing osteochondral defects based on photocurable silk hydrogels显示文摘Osteochondral repair remains a major challenge in current clinical practice despite significant advances in tissue engineering.In particular,the lateral integration of neocartilage into surrounding native cartilage is a difficult and inadequately addressed problem that determines the success of tissue repair.Here,a novel design of an integral bilayer scaffold combined with a photocurable silk sealant for osteochondral repair is reported.First,we fabricated a bilayer silk scaffold with a cartilage layer resembling native cartilage in surface morphology and mechanical strength and a BMP-2-loaded porous subchondral bone layer that facilitated the osteogenic differentiation of BMSCs.Second,a TGF-β3-loaded methacrylated silk fibroin sealant(Sil-MA)exhibiting biocompatibility and good adhesive properties was developed and confirmed to promote chondrocyte migration and differentiation.Importantly,this TGF-β3-loaded Sil-MA hydrogel provided a bridge between the cartilage layer of the scaffold and the surrounding cartilage and then guided new cartilage to grow towards and replace the degraded cartilage layer from the surrounding native cartilage in the early stage of knee repair.Thus,osteochondral regeneration and superior lateral integration were achieved in vivo by using this composite.These results demonstrate that the new approach of marginal sealing around the cartilage layer of bilayer scaffolds with Sil-MA hydrogel has tremendous potential for clinical use in osteochondral regeneration. | Xiaolin Wu Mingliang Zhou Fei Jiang Shi Yin Sihan Lin Guangzheng Yang Yuezhi Lu Wenjie Zhang Xinquan Jiang | 2021 | Bioactive Materials2021，6，11： | 7 |
| 4 | Development and application of Baosteel X80 large diameter UOE longitudinal submerged arc welded pipes显示文摘With the increase in energy demand,the demand for oil and gas transmission pipes,particularly high-grade longitudinal submerged arc welded pipes (LSAWs),have been growing in recent years.The construction of the 2nd West-East natural gas transmission pipeline project shows that the oil and gas pipeline construction has entered a new phase of development with X80 pipes being applied in large scales for the first time in China.This paper briefly introduces the 2nd West-East natural gas transmission pipeline project and its main technical requirements with the focus on the features of API standard 5L X80 grade 1219 mm series of U-ing-O-ing-Expanding (UOE) LSAW pipes,which Baosteel developed with the integrated technology for the 2nd West-East natural gas transmission pipeline project.The analysis shows the extra-low carbon content,the high contents of manganese and niobium,the fine microstructure,the high strength,the toughness and the good weldability of X80 pipes meet the requirements of 'the technical specification of LSAW linepipes for the 2nd West-East natural gas transmission pipeline project in China'.By the end of June 2010,Baosteel had totally produced 322000 t of 1219 mm X80 UOE steel pipes,which have been successfully used in the 2nd West-East natural gas transmission pipeline project,thus filling the gap of the production of large diameter X80 UOE LSAW pipes in China. | XIE Shiqiang GUI Guangzheng ZHENG Lei | 2010 | Baosteel Technical Research2010，4，3： | 6 |
| 5 | Tectonic subsidence of the Zhu I Sub-basin in the Pearl River Mouth Basin, northern South China Sea显示文摘 | Xiaoyin TANG Shuchun YANG Junzhang ZHU Zulie LONG Guangzheng JIANG Shaopeng HUANG Shengbiao HU | 2017 | Frontiers of Structural and Civil Engineering2017，11，4： | 5 |
| 6 | Numerical investigation of granular flow similarity in rotating drums显示文摘The theory of flow similarity has not been well established for granular flows,in contrast to the case for conventional fluids,owing to a lack of reliable and general constitutive laws for their continuum description.A rigorous investigation of the similarity of velocity fields in different granular systems would be valuable to theoretical studies.However,experimental measurements face technological and physical problems.Numerical simulations that employ the discrete element method(DEM) may be an alternative to experiments by providing similar results,where quantitative analysis could be implemented with virtually no limitation.In this study,the similarity of velocity fields is investigated for the rolling regime of rotating drums by conducting simulations based on the DEM and using graphics processing units.For a constant Froude number,it is found that the particle-to-drum size ratio plays a dominant role in the determination of the velocity field,while the velocity field is much more sensitive to some material properties than to others.The implications of these findings are discussed in terms of establishing theoretical similarity laws for granular flows. | Huabiao Qi Ji Xu Guangzheng Zhou Feiguo Chen Wei Ge Jinghai Li | 2015 | Particuology2015，13，5： | 4 |
| 7 | Catalog of Enhanced Geothermal Systems based on Heat Sources显示文摘It is common sense that a deeper well implies higher temperature in the exploration of deep geothermal resources, especially with hot dry rock(HDR) geothermal resources, which are generally exploited in terms of enhanced geothermal systems(EGS). However, temperature is always different even at the same depth in the upper crust due to different heat sources. This paper summarizes the heat sources and classifies them into two types and five sub-types: crustorigin(partial melting, non-magma-generated tectonic events and radiogenic heat production), and mantle-origin(magma and heat conducted from the mantle). A review of global EGS sites is presented related to the five sub-types of heat sources. According to our new catalog, 71% of EGS sites host mantle-origin heat sources. The temperature logging curves indicate that EGS sites which host mantle-origin magma heat sources have the highest temperature. Therefore, high heat flow(>100 m W/m^(2)) regions with mantle-origin magma heat sources should be highlighted for the future exploration of EGS. The principle to identify the heat source is elucidated by applying geophysical and geochemical methods including noble gas isotope geochemistry and lithospheric thermal structure analysis. This analytical work will be helpful for the future exploration and assessment of HDR geothermal resources. | KONG Yanlong PAN Sheng REN Yaqian ZHANG Weizun WANG Ke JIANG Guangzheng CHENG Yuanzhi SUN Wenjie ZHANG Chao HU Shengbiao HE Lijuan | 2021 | Acta Geologica Sinica(English Edition)2021，95，6： | 3 |
| 8 | Numerical analysis of enhanced mixing in a Gallay tote blender显示文摘 | Xinxin Ren Guangzheng Zhou Ji xu Lijie Cui Wei Ge | 2016 | Particuology2016，14，6： | 3 |
| 9 | Geochemistry and Tectonic Setting of the Eshan Granites in the Southwestern Margin of the Yangtze Plate, Yunnan显示文摘The extensive Eshan granites of Yunnan are made up of three intrusive units distinguished by their field contact relations; in descending order of age they are the Pojiao Unit, the Lüzicun Unit and the Mokela Unit. The Pojiao Unit and Lüzicun Unit contain petrographically and geochemically similar rocks but contact relationships show that the latter is younger. The Mokela Unit mainly consists of dykes intruding the other two and has petrographic and geochemical differences. Zircon U/Pb dating and zircon crystallization temperature measurements confirm the sequence of intrusions. Major and trace element analyses suggest that the magmas of the Pojiao Unit granites derived by partial melting of a clay-poor source from the upper crust; the magmas of the Lüzicun Unit granites derived by partial melting of upper crust with a small proportion of middle crust accompanied by crystallization of albite which triggered strength reduction. Both magmas mixed and underwent with crustal contamination, assimilation and fractional crystallization. The magmas of the Mokela Unit derived from residual melts and assimilation of argillaceous rocks. A time sequence of melting, intrusion and deformation events is derived from these results and compared with other published tectonic models for the evolution of the SW margin of the Yangtze Plate. Magmatism was initiated by exhumation of upper continental crust during which strongly peraluminous porphyritic biotite monzogranite granites were produced at ca. 854–852 Ma, and the genesis of two-mica granite reflected a later batch of exhumed melts with crustal contamination, assimilation and fractional crystallization at ca. 842 Ma. Finally biotite alkali-feldspar granite and tourmaline granite magmas experienced strong fractional crystallization, emplaced in the cooling stage at ca. 823 Ma, indicating the end of exhumation. | Jin Hu Shitao Zhang Guangzheng Zhang Siyu Tao Ying Zhang | 2018 | Journal of Earth Science2018，29，1： | 3 |
| 10 | Orchestration of energy metabolism and osteogenesis by Mg^(2+)facilitates low-dose BMP-2-driven regeneration显示文摘The clinical application of bone morphogenetic protein-2(BMP-2)is limited by several factors,including ineffectiveness at low doses and severe adverse effects at high doses.To address these efficacy and safety limitations,we explored whether orchestration of energy metabolism and osteogenesis by magnesium ion(Mg^(2+))could reduce the dose and thereby improve the safety of BMP-2.Our results demonstrated that rapid metabolic activation triggered by BMP-2 was indispensable for subsequent osteogenesis.Moreover,inadequate metabolic stimulation was shown to be responsible for the ineffectiveness of low-dose BMP-2.Next,we identified that Mg^(2+),as an'energy propellant',substantially increased cellular bioenergetic levels to support the osteogenesis via the Akt-glycolysis-Mrs2-mitochondrial axis,and consequently enhanced the osteoinductivity of BMP-2.Based on the mechanistic discovery,microgel composite hydrogels were fabricated as low-dose BMP-2/Mg^(2+)codelivery system through microfluidic and 3D printing technologies.An in vivo study further confirmed that rapid and robust bone regeneration was induced by the codelivery system.Collectively,these results suggest that this bioenergetic-driven,cost-effective,low-dose BMP-2-based strategy has substantial potential for bone repair. | Sihan Lin Shi Yin Junfeng Shi Guangzheng Yang Xutao Wen Wenjie Zhang Mingliang Zhou Xinquan Jiang | 2022 | Bioactive Materials2022，7，12： | 2 |
| 11 | Coordination of PSS and FACTS Damping Controllers to Improve Small Signal Stability of Large-scale Power Systems显示文摘This paper presents an approach for designing parameters of power system stabilizer(PSS)and FACTS damping controllers in a large scale practical power system.The objective is maximizing damping ratio of the target mode,and tracking technology(MTT)is used to avoid frequent alternations of target mode in optimization procedures.An improved planted growth simulation algorithm(IPGSA),which has high search efficiency and quick convergence speed,is proposed to optimize controller parameters coordinately.Based on case study of a large-scale power grid,and by using local and interregional low-frequency oscillation modes as target modes,simulation results verify proposed method in this paper.Furthermore,coordination optimization strategy adapted to multi-operating conditions demonstrates that the proposed approach is robust. | Guangzheng Yu Tao Lin Jiannan Zhang Ye Tian Xiu Yang | 2019 | CSEE Journal of Power and Energy Systems2019，5，4： | 2 |
| 12 | Realization of high performance for PM6:Y6 based organic photovoltaic cells显示文摘With advances in material science and a more in-depth understanding of device engineering,the power conversion efficiency(PCE)of solution-processed organic photovoltaic(OPV)cells have significantly boosted in the past few years.In 2019,a high PCE of 15.7%was achieved in the OPV cells adopting a wide bandgap polymer PM6 and a new emerging non-fullerene acceptor Y6.Such outstanding performance has attracted lots of research attention,driving considerable efforts to improve or take advantage of the high-performance PM6:Y6-based system.In this review,we first concentrate on the structural characteristics of PM6 and Y6 with the focus on understanding why their combination for OPV application can obtain such high efficiency.We also update the recent progress in highly efficient PM6:Y6-based OPV cells via various optimizing strategies.Then we summarize the other applications of the PM6:Y6-based system in semi-transparent,flexible or lay e-by-layer devices.The prospects for future OPV studies will be suggested in the end. | Runnan Yu Guangzheng Wu Zhan’ao Tan | 2021 | Journal of Energy Chemistry2021，30，10： | 2 |
| 13 | Theoretical analysis on the applicability of traditional SPH method显示文摘As a fully Lagrangian, particle-based numerical method, the traditional smoothed particle hydrodynamics (SPH) generally suffers from the accuracy problem. To investigate the physical origins of this numerical error, the elastic effect between SPH particles is specifically identified by analogy with physical entities, and a unique non-dimensional number is proposed to evaluate the relative dominance of viscous to elastic effect. Through the simulation of two-dimensional Couette flow, the velocity profile and arrangement of particles are examined for various ratios of viscous to elastic effect. The effective viscosity of SPH particles decreases as this non-dimensional number increases, while the increase of particle number significantly reduces the effective viscosity only at lower ratio of viscous to elastic effect. The disparity among nominal viscous dissipation, total dissipation, and theoretical dissipation further confirms the presence of unphysical dissipation resulting from the elastic effect. In summary, due to the constraints from the Mach number and the ratio of viscous to elastic effect, there exists a critical Reynolds number below which the Newtonian behavior could be approximately obtained through suitable choice of model parameters. | ZHOU GuangZheng GE Wei LI JingHai | 2013 | Chinese Science Bulletin2013，58，24： | 2 |
| 14 | Analysis of the spatial discrimination threshold of head-related transfer function magnitude显示文摘A binaural-loudness-model-based method for evaluating the spatial discrimination threshold of magnitudes of head-related transfer function(HRTF) is proposed.As the input of the binaural loudness model,the HRTF magnitude variations caused by spatial position variations were firstly calculated from a high-resolution HRTF dataset.Then,three perceptualrelevant parameters,namely interaural loudness level difference,binaural loudness level spectra,and total binaural loudness level,were derived from the binaural loudness model.Finally,the spatial discrimination thresholds of HRTF magnitude were evaluated according to just-noticedifference of the above-mentioned perceptual-relevant parameters.A series of psychoacoustic experiments was also conducted to obtain the spatial discrimination threshold of HRTF magnitudes.Results indicate that the threshold derived from the proposed binaural-loudness-modelbased method is consistent with that obtained from the traditional psychoacoustic experiment,validating the effectiveness of the proposed method. | LIU Yu XIE Bosun YU Guangzheng RUI Yuanqing | 2016 | Chinese Journal of Acoustics2016，35，1： | 2 |
| 15 | Tectono-thermal evolution of the Liwan Sag, deepwater area in the Zhujiang River Mouth Basin, northern South China Sea显示文摘The Liwan Sag, with an area of 4 000 km^2, is one of the deepwater sags in the Zhujiang River(Pearl River) Mouth Basin, northern South China Sea. Inspired by the exploration success in oil and gas resources in the deepwater sags worldwide, we conducted the thermal modeling to investigate the tectono-thermal history of the Liwan Sag,which has been widely thought to be important to understand tectonic activities as well as hydrocarbon potential of a basin. Using the multi-stage finite stretching model, the tectonic subsidence history and the thermal history have been obtained for 12 artificial wells, which were constructed on basis of one seismic profile newly acquired in the study area. Two stages of rifting during the time periods of 49–33.9 Ma and 33.9–23 Ma can be recognized from the tectonic subsidence pattern, and there are two phases of heating processes corresponding to the rifting.The reconstructed average basal paleo-heat flow values at the end of the rifting events are ~70.5 and ~94.2 mW/m^2 respectively. Following the heating periods, the study area has undergone a persistent thermal attenuation phase since 23 Ma and the basal heat flow cooled down to ~71.8–82.5 mW/m^2 at present. | TANG Xiaoyin HUANG Shaopeng YANG Shuchun JIANG Guangzheng JI Mo HU Shengbiao | 2018 | Acta Oceanologica Sinica2018，37，2： | 2 |
| 16 | 3-D nonlinear transient eddy current calculation of online power transformer under DC bias显示文摘 | Yao Yingying Chang Seop Koh Ni Guangzheng | 2005 | IEEE Transactions on Magnetits2005，41，5： | 1 |
| 17 | Anuniversal TABU search algorithm for global optimization of multimodal functions with continuous variable in electromagnetics显示文摘 | YANG Shiyou NI Guangzheng | 1998 | IEEE Trans Mag1998，34，： | 1 |
| 18 | A Modified Ant Colony Optimization Algorithm Modeled on Tabu - search Methods 显示文摘 | HO S L YANG SHIYOU NI GUANGZHENG | 2006 | IEEE Transactions on Magnetics2006，42，4： | 1 |
| 19 | Intelligent PID control of pneumatic rotary actuator angle servo system显示文摘 | WANG Peng PENG Guangzheng WU Qinghe | 2003 | Journal of Beijing Institute of Technology ( English Edition)2003，，： | 1 |
| 20 | A Particle Swarm Optimization-Based Method for Multiobjective Design Optimizations显示文摘 | Yang Shiyou Ni Guangzheng | 2005 | IEEE Transactions on Magnetics2005，41，5： | 1 |
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