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| 1 | Permian Tectonic Evolution in the Middle Part of Central Asian Orogenic Belt: Evidence from Newly Identified Volcanic Rocks in the Bilutu Area, Inner Mongolia显示文摘In this study, zircon U-Pb ages, geochemical and Lu-Hf isotopic data are presented for the newly identified volcanic rocks which were considered as Bainaimiao group in Bainaimiao Arc Belt(BAB), Inner Mongolia, which could provide important constraints on the evolution of the northern part of North China Block(NCB) and BAB. Basalt to basaltic andesite and andesite to dacite were collected from two sections, which showed eruption ages of 278.2±4.1 Ma and 258.3±3.0 Ma respectively. All samples are characterized by high abundances in Al2O3, LREEs, and LILEs, but depleted in HFSEs. Together with high Mg# ratios and low K/tholeiite to calc-alkaline series, these features indicated that basalt to andesite was likely derived from relatively low degree partial melting of the subduction-fluid related mantle in the spinel phase. And dacite was mainly from the partial melting of crust, then affected by mantle. All samples barely went through fractional crystallization process with the slight Eu anomaly. Compared with the contemporary basalt in NCB, rocks in BAB have a complex composition of zircon and a more positive εHf(t) value(-6.6-6.4), indicating that they had different magma sources of rocks. Though with different basements, NCB and BAB have become an integrated whole before 278 Ma. Therefore, it could be concluded that NCB and BAB belonged to the active continental margin and the PAO had not closed yet until late Permian and then it disappeared gradually and the CAOB developed into a condition of syn-post collision. | WANG Shijie LIU Yang DONG Xiaojie XU Zhongyuan WANG Wenlong LI Shichao SHI Qiang CUI Weilong | 2019 | Acta Geologica Sinica(English Edition)2019，93，5： | 3 |
| 2 | Treatment of Sepsis by Hemofiltration Combined with Plasma Exchange in One Case显示文摘Female patients,44 years old,due to'regular peritoneal dialysis5 years,stomach ache 1 week'admission.Previous had 2 times for'Peritoneal dialysis related peritonitis'in hospital,after anti-infection treatment patients symptoms improved and discharged.1 week ago in patients admitted to hospital because of abdominal pain again.Physical:abdominal tenderness,bowel sounds hyperthyroidism.Laboratory inspection index:CRP:172.22 mg/l,WBC:23.26×10~9/L,NEU%:89.23%,D dimer:3 800 ng/ml,PCT:14.86 ng/ml。 | Weilong Li Sibo Huang Shuang Cui Zongchao Yu Shufei Zeng Bo Hu Aiyun Cha Jian Li Huixia Yu Mingming Ma Xiangnan Dong Xiaoyi Chen W.Pommer Chen Yun Lianghong Yin | 2017 | 临床医学工程2017，24，S1： | 0 |
| 3 | LessNet:Lightweight and efficient semantic segmentation for large‐scale point clouds显示文摘With a wide range of applications in autonomous driving and robotics,semantic seg-mentation for large‐scale outdoor point clouds is a critical and challenging issue.Due to the large number and irregular arrangement of point clouds,it is difficult to balance the efficiency and effectiveness.In this paper,we propose LessNet,a lightweight and efficient voxel‐based method for LiDAR‐only semantic segmentation,taking advantage of cylin-drical partition and intra‐voxel feature fusion.Specifically,we use a cylindrical partition method to distribute the outdoor point clouds more evenly in voxels.To better encode the voxel features,we adopt an intra‐voxel aggregation method without querying neighbours.The voxel features are further input into a lightweight and effective 3D U‐net to aggregate local features and dilate the receptive field.Extensive experiments prove the satisfied semantic segmentation performance and the improvement of each component in our proposed framework.Our method is capable of processing more than one million point clouds at a time while retaining low latency and few parameters.Moreover,our method achieves comparable performance with state‐of‐the‐art approaches and out-performs all projection‐based methods on the SemanticKITTI benchmark. | Guoqiang Feng Weilong Li Xiaolin Zhao Xuemeng Yang Xin Kong TianXin Huang Jinhao Cui | 2022 | IET Cyber-Systems and Robotics2022，4，2： | 0 |
| 4 | Detrital Zircon U-Pb Dating of Nanshuangyashan Formation in the Jiamusi Massif, NE China and its Tectonic Implications显示文摘A suite of the fossil-rich marine-land interbedded strata(Nanshuangyashan Formation) is distributed at the eastern margin of the Jiamusi massif in the eastern Heilongjiang Province, NE China. The authors had recently discovered a suite of arkose beneath the marine-land interbedded strata, which overlays unconformably on the Permain granite in the eastern margin of the Jiamusi massif. The LA-ICP-MS zircon U-Pb dating indicate that all detrital zircons from the analysed four arkose samples show the four population ages of >800 Ma, 538-481 Ma, 269-250 Ma and 223-215 Ma. The former three population ages are widely recorded in the Jiamusi-Khanka massif and the Songnen massif. The later group is the minimal age population in the analyzed samples, limiting the sedimentation time of the arkoses occurred after the Late Triassic. At present, the minimal age population is not recorded in the Jiamusi massif, but the granites with the ages of 228-210 Ma are widely distributed in the Songnen-Zhangguangcai Range massif and the Khanka massif. The predominantly Permian zircons are characterized by oscillatory zoning and euhedral shapes, with variable zircon εHf(t) values(-5.5 to +11.2), indicating that they were derived from mixture sources, possibly mixed with components of the Songnen-Zhangguangcai Range massif and the Jiamusi-Khanka massif. These results, combined with regional analyses, indicate that the closing of Mudanjiang ocean and Panthalassa ocean possibly existed from Early Permian to Late Triassic. | CUI Weilong ZENG Zhen ZHANG Xingzhou LIU Zhenghong WANG Shijie PU Jianbin FU Qiulin GUO Ye | 2019 | Acta Geologica Sinica(English Edition)2019，93，5： | 0 |
| 5 | Study on crowd evacuation in subway transfer station fires based on numerical simulation显示文摘In order to study the influencing factors of fire evacuation bottlenecks and evacuation time in subway transfer stations,a subway transfer station model was built using Pathfinder to simulate the emergency evacuation of passengers in a fire.Using the control variable method,the evacuation under different conditions is simulated by changing the parameters.The effects of the use of escalators,the speed of escalators,preference for stairs and escalators,the use of escalators,the familiarity of exits,the speed of personnel movement and the width of stairs on evacuation time are discussed and analyzed.The results show that the fire evacuation bottlenecks of subway transfer stations is each stair entrance.Evacuation time can be shortened by increasing the speed of escalators,increasing the proportion of escalator walkers,reducing the proportion of passengers who choose familiar exits to escape,increasing the speed of passengers and increasing the width of stairs. | Feng Du Qian Zhang Kai Wang Weilong Cui Yangyang Guo Yun Deng | 2022 | Emergency Management Science and Technology2022，2，1： | 0 |
| 6 | One-step assembly of Pd-Keggin-polyoxometalates for catalytic benzothiadiazole generation and derived cell-imaging probe application显示文摘One-step assembly of organic-ligand modified Pd-Keggin-POMs has been rarely reported,so as for their applications in catalytic benzothiadiazole generation and derived cell-imaging probing.Herein,three PdKeggin-POMs(compounds 1-3)have been successfully synthesized via a one-step assembly strategy.Thus-obtained Pd-Keggin-POMs with well-defined structures and heterogeneous properties enable highly efficient catalytic benzothiadiazole generation.Specifically,compound 3 showed outstanding catalytic activities in Suzuki-Miyaura coupling reactions for the generation of benzothiadiazole derivatives(yields,90%-97%)and was represented as one of the best catalysts reported to date.Consequently,the obtained benzothiadiazoles were used as the bio-probe for tracking lipid droplets in living-cells and exhibited large Stokes shifts(130 nm),low cytotoxicity and good targeting,which could be also applied to mark the distribution of LDs in living He La cells.Systematic investigations clearly decipher the functions of PdKeggin-POMs toward finding novel bio-probe materials,highlighting a new insight into the generation of sustainable materials in life-science. | Xianqiang Huang Weilong Cui Sen Liu Gang Liu Yalin Zhang Zhihao Zhang Guodong Shen Zhen Li Jianyong Wang Yifa Chen | 2023 | Chinese Chemical Letters2023，34，6： | 0 |
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