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Safeguarding China＇s Botanical Heritage ---BGCI＇s integrated conservation programme in China

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植物分类与资源学报 2011年第1期33卷 80-84页

作者： Xiang-Ying WEN Joachim GRATZFELD Sheng-Ji PEI China Program Office Botanic Gardens Conservation International Guangzhou 510520 China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650204 China

China's rich floral diversity includes more than 33 000 vascular plant species, representing approximately 10 percent of all known plant species. Over half of these species are endemic to China. However, China's rapid economic development in the last 30 years and continuous population growth have seriously damaged plant resources in the wild and the ecological environment, resulting in a dramatic increase in the number of endangered species. There are nearly 4 000 to 5 000 higher plants that are now threatened or on the verge of extinction. To help halt the loss of Chinese plant diversity, Botanic gardens Conservation International(BGCI) has developed a China programme and opened its first office based in Guangzhou in 2008. This office works along with Chinese partners aiming to secure Chinese plant diversity through integrated conservation approaches with reintroduction/population reinforcement, engagement of local communities in conservation activities, capacity building in horticulture and environmental education and public outreach

关键词： Integrated conservation Capacity building Reintroduction Environmental education Public outreach

Fifty-six Cases of Protrusion of Lumbar Intervertebral Disc Treated by Penetration and Oral Administration of Chinese Decoction Plus Traction

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Journal of Traditional Chinese Medicine 2000年第4期20卷 273-276页

作者：钟琪周永生 Panyu Old Folk's gardens 110 Keng Kou RoadShiqiaoPanyu 511400Guangdong Province

Fifty-six cases of the protrusion of the lumbar intervertebral disc in the treatment group were treated by drug-penetration and oral administration of traditional Chinese decoction plus traction, and the other 35 cases in the control group by oral administration of Chinese decoction and traction. The results showed that the cure rate in the treatment group was 83.9%, and that in the control group was 57.1%, with a statistically significant difference between the two groups (P<0.01), indicating that the former is a more effective therapy for protrusion of the lumbar intervertebral disc.

关键词： Lumbar Vertebrae Adult Aged Drugs, Chinese Herbal Female Humans Intervertebral Disk Displacement Iontophoresis Male Middle Aged Traction

Understanding The Restavek Phenomenon in Haiti Through Storytelling and Film

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International Relations and Diplomacy 2015年第2期3卷 141-150页

作者： Marcela Moyano St. Thomas University Miami Gardens Florida USA

Known as the Pearl of the Antilles, Haiti was the first black republic to win its independence from the French in an uprising by slaves. Two hundred years after the revolt, Haiti＇s children, the most vulnerable population of the nation, endure modem day slavery. Extreme social, economic, and political instability have led the country to adopt and accept this practice. This qualitative study reveals audiences＇ narratives of their experiences as guardians of Restaveks and their reflections after watching the documentary film Blooming Hope （2010）. The documentary features Tata Dumasie, an artisan woman who narrates her life story growing up as a Restavek. This ethnographic research concludes that documentary films serve as tools for popular education. Furthermore, narrative discourse can reconstruct identities of former Restaveks and positively transform guardians＇ perceptions of the Restavek phenomenon.

关键词： Restavek narrative discourse Haiti

Gravitational Space-Time Curve Generation via Accelerated Charged Particles

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Journal of Modern Physics 2016年第9期7卷 863-874页

作者： Edward A. Walker Mathematics Department Florida Memorial University Miami Gardens USA

A force with an acceleration that is equal to multiples greater than the speed of light per unit time is exerted on a cloud of charged particles. The particles are resultantly accelerated to within an infinitesimal fraction of the speed of light. As the force or acceleration increases, the particles’ velocity asymptotically approaches but never achieves the speed of light obeying relativity. The asymptotic increase in the particles’ velocity toward the speed of light as acceleration increasingly surpasses the speed of light per unit time does not compensate for the momentum value produced on the particles at sub-light velocities. Hence, the particles’ inertial mass value must increase as acceleration increases. This increase in the particles’ inertial mass as the particles are accelerated produce a gravitational field which is believed to occur in the oscillation of quarks achieving velocities close to the speed of light. The increased inertial mass of the density of accelerated charged particles becomes the source mass (or Big “M”) in Newton’s equation for gravitational force. This implies that a space-time curve is generated by the accelerated particles. Thus, it is shown that the acceleration number (or multiple of the speed of light greater than 1 per unit of time) and the number of charged particles in the cloud density are surjectively mapped to points on a differential manifold or space-time curved surface. Two aspects of Einstein’s field equations are used to describe the correspondence between the gravitational field produced by the accelerated particles and the resultant space-time curve. The two aspects are the Schwarzchild metric and the stress energy tensor. Lastly, the possibility of producing a sufficient acceleration or electromagnetic force on the charged particles to produce a gravitational field is shown through the Lorentz force equation. Moreover, it is shown that a sufficient voltage can be generated to produce an acceleration/force on the part

关键词： Charged Particles Accelerated Particles Inertial Mass Gravitational Force Einstein’s Field Equations Space-Time Manifold Schwardchild Metric Stress Energy Tensor Surjective Mapping Lorentz Force

ArthroNet:a monocular depth estimation technique with 3D segmented maps for knee arthroscopy

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智慧医学(英文) 2023年第2期3卷 129-138页

作者： Shahnewaz Ali Ajay K.Pandey School of Electrical Engineering and Robotics Queensland University of TechnologyGardens PointBrisbaneQueensland 4001Austrulia

Background Lack of depth perception from medical imaging systems is one of the long-standing technological limitations of minimally invasive *** ability to visualize anatomical structures in 3D can improve conventional arthroscopic surgeries,as a full 3D semantic representation of the surgical site can directly improve surgeons’*** also brings the possibility of intraoperative image registration with preoperative clinical records for the development of semi-autonomous,and fully autonomous *** study aimed to present a novel monocular depth prediction model to infer depth maps from a single-color arthroscopic video *** We applied a novel technique that provides the ability to combine both supervised and self-supervised loss terms and thus eliminate the drawback of each *** enabled the estimation of edge-preserving depth maps from a single untextured arthroscopic *** proposed image acquisition technique projected artificial textures on the surface to improve the quality of disparity maps from stereo ***,following the integration of the attention-ware multi-scale feature extraction technique along with scene global contextual constraints and multiscale depth fusion,the model could predict reliable and accurate tissue depth of the surgical sites that complies with scene *** A total of 4,128 stereo frames from a knee phantom were used to train a network,and during the pre-trained stage,the network learned disparity maps from the stereo *** fine-tuned training phase uses 12,695 knee arthroscopic stereo frames from cadaver experiments along with their corresponding coarse disparity maps obtained from the stereo matching *** a supervised fashion,the network learns the left image to the disparity map transformation process,whereas the self-supervised loss term refines the coarse depth map by minimizing reprojection,gradients,and structural dissimilarity ***,our method produ

关键词： Monocular depth estimation technique 3D segmented maps Knee arthroscopic

Comparison of Functionals for Metal Hexaboride Band Structure Calculations

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Modeling and Numerical Simulation of Material Science 2014年第2期4卷 53-69页

作者： Jose A. Alarco Peter C. Talbot Ian D. R. Mackinnon Institute for Future Environments Queensland University of Technology Gardens Point Campus BrisbaneAustralia Institute for Future Environments Queensland University of Technology Gardens Point Campus BrisbaneAustralia Science and Engineering Faculty Queensland University of Technology Gardens Point Campus BrisbaneAustralia

Density functional calculations of the electronic band structure for superconducting and semiconducting metal hexaborides are compared using a consistent suite of assumptions and with emphasis on the physical implications of computed models. Spin polarization enhances mathematical accuracy of the functional approximations and adds significant physical meaning to model interpretation. For YB6 and LaB6, differences in alpha and beta projections occur near the Fermi energy. These differences are pronounced for superconducting hexaborides but do not occur for other metal hexaborides.

关键词： Hexaborides Density Functional Theory Band Structure Spin Polarization Superconductivity

Soil splash erosion:An overlooked issue for sustainable rubber plantation in the tropical region of China

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International Soil and Water Conservation Research 2023年第1期11卷 30-42页

作者： Xiai Zhu Xia Yuan Enfu Lu Bin Yang Haofei Wang Yiyuan Du Ashutosh Kumar Singh Wenjie Liu CAS Key Laboratory of Tropical forest Ecology Xishuangbanna Tropical Botanical GardenChinese Academy of SciencesMenglunYunnan666303PRChina Center for Plant Ecology Core Botanical GardensChinese Academy of SciencesMenglunYunnan666303PR China Yunnan Key Laboratory of Earth System Science Yunnan UniversityWaihuan South RoadChenggong DistrictKunming650500PR China College of Ecology and Environmental Science Yunnan UniversityKunming650500PR China University of Chinese Academy of Sciences Beijing100049PR China

Soil erosion by water is known to be a major driver of land *** erosion is the initial stage of water erosion and directly contributes to the detachment of soil particles on sloping *** erosion may be exacerbated or mitigated by ongoing land use/cover *** estimate the effects of various land use and management systems on splash erosion in the humid tropics,we measured the actual splash erosion under natural rainfall conditions in a tropical rainforest(TR),rubber monoculture(RM),and four rubber agroforestry ecosystems in Xishuangbanna,Southwestern *** average cumulative splash mass in the RM was 48.7 times higher compared to that in the TR,indicating that the replacement of TR by RM results in severe splash *** the rubber agroforestry systems,the throughfall kinetic energy and splash mass were 34-76%and 86-97%lower,respectively,than that in the RM,indicating that intercropping crops with rubber trees can effectively alleviate erosive power of throughfall and thus splash *** all land use regimes,in the plots where the litter layer was removed,splash erosion was significantly(2.0-12.1 times)higher and more spatially heterogeneous than in those with litter *** highlighted the key role of the forest litter layer in protecting the soil from raindrop *** the study area,the actual splash erosion was strongly correlated with the conditions of precipitation(amount and intensity(I10)of rainfall)and the vegetation structure(especially the crown base height,leaf area index,and canopy cover),but weakly correlated with the soil *** the importance of near-ground intercrops(height<5 m)for improving the vegetation structure,surface cover,and soil conditions,the intercropping of Camellia sinensis and Theobroma cacao with rubber trees is a promising approach for controlling splash erosion and also has benefits on the sus-tainable development of rubber plantation.

关键词： Land use/cover change Splash erosion Vegetation trait Soil properties Rubber agroforestry system

New Janus structure photocatalyst having widely tunable electronic and optical properties with strain engineering

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Journal of Materials Science & Technology 2023年第24期155卷 142-147页

作者： Sri Kasi Matta Ting Liao Salvy P Russo Center for Computational Sciences University of Tsukuba Japan ARC Centre of Excellence in Exciton Science School of Science RMIT University Melbourne 3000 Australia School of Mech. Medical & Process Engineering Queensland University of Technology Gardens Point Campus Brisbane Queensland Australia

Photoelectrochemical water splitting using solar energy,generating oxygen and hydrogen is one of the clean fuel production *** by surface-dependent characteristics of Janus structures,a newly designed Janus monolayer Silicon Phosphorous Arsenide(SiPAs)was analyzed with Density Functional Theory(DFT)*** exchange-correlation functional(HSE06)combined with Wannier90-based analysis for electronic and optical properties of SiPAs reveals that it can act as a *** show an indirect bandgap of 1.88 eV,absorbing visible light range is 350 to 500 *** phonon spectrum confirms dynamic *** exciton binding energy is computed with GW/BSE *** electronic band edge positions are at-5.75 and-4.43 eV,perfectly straddling the water redox *** the strain application modifies the bandgap and also non-homogenously widens the absorption band.A novel range of photocatalyst designs with Group IV-V elements with great promise for water-splitting,photovoltaic,and narrow bandgap semiconductor(optoelectronics)applications may be feasible.

关键词： Solar water-splitting Janus structure Density functional theory Strain engineering Optical and electronic property tuning Optoelectronic

Small signal stability analysis of power systems with high penetration of wind power

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Journal of Modern Power Systems and Clean Energy 2013年第3期1卷 241-248页

作者： Ping HE Fushuan WEN Gerard LEDWICH Yusheng XUE South China University of Technology Guangzhou 510640China Zhengzhou University of Light Industry Zhengzhou 450002China Queensland University of Technology Gardens PointBrisbaneAustralia State Grid Electric Power Research Institute Nanjing 210003China

The integration of large amount of wind power into a power system imposes a new challenge for the secure and economic operation of the *** is necessary to investigate the impacts of wind power generation on the dynamic behavior of the power system *** paper investigates the impacts of large amount of wind power on small signal stability and the corresponding control strategies to mitigate the negative *** concepts of different types of wind turbine generators(WTGs)and the principles of the grid-connected structures of wind power generation systems are first briefly ***,the state-of-the-art of the studies on the impacts of WTGs on small signal stability as well as potential problems to be studied are ***,the control strategies on WTGs to enhance power system damping characteristics are presented.

关键词： Wind turbine generators Wind farm integration Small signal stability Damping characteristic